Tag Archives: rubber coupling

China supplier Elastic Rubber Coupling for Air Compressor

Product Description

Quick Details
Place of Origin: ZheJiang , China (Mainland)
Brand Name: CHINAMFG
Model Number: ELASTIC rubber coupling G80HE rubber coupling
Application: Construction machines
Engine Model 1: for Hatz 2L/3L/4L41C 2M/3M/4M41
Engine Model 2: for Hatz W35
Engine Model 3: for Hatz 1D81/1D90 Z788/Z789/Z790
Model: ELASTIC rubber coupling G80HE rubber coupling
Machines: Excavators, bulldozers, Wheel loader flange
Description: Engine Drive Coupling
Material: Rubber, PA6
Coupling assy: Element,

HPV102, 8DC8 8DC9, TierII 522192, 60, 1,

385, 396, 415, 416,  455, 485,

VIO75, VIO70, 172187-712, 4DNV98

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elastic coupling

Limitations and Disadvantages of Elastic Couplings

While elastic couplings offer various benefits, they also come with certain limitations and disadvantages that engineers and designers need to consider:

  • Torsional Stiffness: Elastic couplings provide flexibility, but this can lead to lower torsional stiffness compared to rigid couplings. In applications requiring high torsional stiffness, elastic couplings might not be the ideal choice.
  • Energy Loss: Due to the elastic nature of the material, a portion of the transmitted torque can be absorbed as deformation energy in the elastomer. This can result in energy losses and reduce overall efficiency.
  • Wear and Fatigue: The elastomer element in elastic couplings can experience wear, fatigue, and deterioration over time, especially in applications with high loads or extreme operating conditions. Regular maintenance and monitoring are essential to ensure proper functionality.
  • Temperature Sensitivity: Some elastomer materials used in elastic couplings might be sensitive to temperature fluctuations. Extreme temperatures can affect the properties of the elastomer and compromise the coupling’s performance.
  • Alignment Requirements: While elastic couplings can accommodate minor misalignments, excessive misalignment can still lead to premature wear and reduced coupling lifespan. Proper alignment remains important for optimal performance.

Engineers and designers must carefully assess the specific requirements of their applications to determine if the advantages of elastic couplings outweigh the potential limitations and disadvantages.

elastic coupling

Impact of Temperature Variations on Elastic Coupling Performance

Elastic couplings can be sensitive to temperature variations, and their performance can be influenced by both high and low temperatures:

1. High Temperatures: Elevated temperatures can cause the elastomeric material used in elastic couplings to soften, leading to a decrease in its mechanical properties. This can result in reduced torsional stiffness, damping capabilities, and overall coupling performance. High temperatures can also accelerate the aging process of the elastomer, leading to a shorter lifespan of the coupling. Additionally, excessive heat can cause thermal expansion of the coupling’s components, potentially leading to misalignment issues.

2. Low Temperatures: Extremely low temperatures can cause the elastomeric material to become more rigid, reducing its flexibility and damping characteristics. This can result in increased transmission of vibrations and shocks between connected components. Cold temperatures can also make the elastomer more brittle, increasing the risk of cracking or rupturing under mechanical stress.

It’s important to select an elastic coupling material that is suitable for the anticipated temperature range of the application. Some elastomers are formulated to perform well across a wide temperature range, while others are better suited for specific temperature conditions. Regular maintenance and inspection of elastic couplings in extreme temperature environments are crucial to ensure that the coupling continues to function as intended.

elastic coupling

Elastic Coupling: Function and Working in Mechanical Systems

An elastic coupling is a type of coupling used in mechanical systems to connect two shafts and transmit torque while allowing for a certain degree of misalignment and flexibility. It consists of two hubs, each connected to a shaft, and an elastic element placed between the hubs.

The elastic element, often made of rubber or elastomer material, serves as a flexible medium that can absorb shocks, vibrations, and angular misalignments between the connected shafts. When torque is applied to one shaft, the elastic element deforms and compresses, allowing the coupling to transmit torque from one shaft to the other while compensating for minor misalignments.

As the elastic element absorbs vibrations and shocks, it helps reduce wear and tear on the connected machinery and enhances overall system efficiency. Elastic couplings are commonly used in applications where precise alignment between shafts is challenging or where vibration damping is crucial.

Overall, the elastic coupling’s design enables it to provide a balance between torque transmission and flexibility, making it a valuable component in various mechanical systems.

China supplier Elastic Rubber Coupling for Air Compressor  China supplier Elastic Rubber Coupling for Air Compressor
editor by CX 2024-05-15

China Good quality 1604076100 Elastic Coupling Rubber Coupling Suitable for Xas97 Mobile Air Compressor

Product Description

Product presentation

16040761+ last 6 months only Alibaba , this is the first in all of the compressor spare parts and filter company in China(offical data from Alibaba )

2. Business level is 3 Diamonds , this is first in all of the compressor spare parts and
filter company in China(offical data from Alibaba )

3. We got the most of praise of good seller in the Alibaba , 13 years specialized compressor filter and 8 years spare parts production and export to more than 120 countries, the number of praise from client is first in all of the compressor spare parts and filter company in China(offical data from Alibaba )

4 . Alibaba provide USD 26000 payment value guarantee for client , it means if our goods have any quality problem , Alibaba will provide MAX USD 26000 compensation to you .

 

More than 14 years , we establish thorough Sales network in China , won the excellent reputation .At the same time we start from the company export business in 2013 and have rapid development ,now exported more than 10 years ,won the appreciation of customers more than 70 Countries .

FAQ

1.Price:
All prices and terms are quoted in US Dollar under FOB HangZhou or CIF your country port , and the price available for 1 months.
2. Minimum Order Quantity:
Each item has a minimum order quantity, which would be stated in our quote sheet. Assorted items would be negotiable.
3.Delivery Lead Time:
If there have stocks, the lead time is about 1 week after we get the payment, if need producing ,7 days after we get the prepay CHINAMFG request.
4. Payment Terms:
T/T , Western Union , PayPal .

 
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elastic coupling

Compensation for Misalignment in Elastic Couplings

Elastic couplings are designed to accommodate certain degrees of misalignment between connected components in mechanical systems. The elastomeric material used in the coupling plays a crucial role in this compensation process:

When the two components connected by the elastic coupling experience angular, parallel, or axial misalignment, the elastomeric material deforms to a certain extent. This deformation allows the coupling to maintain its connection while absorbing the misalignment-induced stresses and forces.

The elastomer acts as a flexible link between the components, allowing them to move relative to each other within specified limits. The deformation of the elastomer also helps distribute the load more evenly, reducing stress concentrations and the risk of premature wear or damage to the coupling or connected components.

Elastic couplings can compensate for both static and dynamic misalignment, making them suitable for applications where minor misalignment is unavoidable due to factors such as manufacturing tolerances, thermal expansion, or vibration.

It’s important to note that while elastic couplings can accommodate misalignment, excessive misalignment should still be avoided, as it can lead to accelerated wear and reduced coupling lifespan. Regular inspection and maintenance are recommended to ensure that the coupling is operating within its designed limits.

elastic coupling

Maintaining the Longevity of Elastic Couplings

Ensuring the longevity and optimal performance of elastic couplings requires proper maintenance and care. Here are some key considerations:

  • Regular Inspection: Periodically inspect the coupling for signs of wear, damage, or misalignment. Look for cracks, tears, or other deformations in the elastic elements.
  • Lubrication: Some elastic couplings require lubrication for smooth operation. Follow the manufacturer’s guidelines on lubrication intervals and recommended lubricants.
  • Environmental Conditions: Consider the operating environment of the coupling. Extreme temperatures, chemicals, moisture, and other factors can affect the coupling’s lifespan. Choose materials and designs suitable for the specific conditions.
  • Proper Alignment: Ensure that the connected components are properly aligned to minimize excessive stress on the coupling. Misalignment can accelerate wear and reduce performance.
  • Load Capacity: Do not exceed the coupling’s recommended torque and load ratings. Overloading the coupling can lead to premature failure.
  • Shock and Vibration: If the system experiences frequent shock or vibration, consider using dampening or vibration-absorbing components to reduce the stress on the coupling.
  • Replacement: When signs of wear or damage become noticeable, promptly replace the coupling to avoid further issues. Delaying replacement can lead to more significant problems in the machinery system.
  • Follow Manufacturer Guidelines: Always follow the manufacturer’s recommendations for installation, operation, and maintenance of the specific coupling model.

By adhering to these considerations and performing regular maintenance tasks, engineers can extend the lifespan of elastic couplings and ensure reliable and efficient operation in various machinery applications.

elastic coupling

Factors to Consider When Selecting an Elastic Coupling

Engineers must carefully evaluate several factors when selecting an appropriate elastic coupling for a specific application. These factors ensure that the coupling can effectively meet the requirements of the machinery and system:

  • Torque Transmission: Consider the amount of torque that needs to be transmitted between the connected shafts. Ensure that the coupling’s torque rating matches or exceeds the application’s torque requirements.
  • Misalignment Compensation: Evaluate the expected misalignments between the shafts, such as angular, parallel, and axial misalignments. Choose a coupling with the appropriate flexibility and misalignment capacity to accommodate these variations.
  • Vibration Dampening: Determine the level of vibration present in the system and select a coupling with the necessary torsional elasticity to dampen vibrations and provide smoother operation.
  • Operating Speed: Consider the rotational speed of the connected shafts. Some elastic couplings may have speed limitations, so choose a coupling that can handle the desired operating speed without issues.
  • Environmental Conditions: Assess the operating environment, including temperature, humidity, and the presence of contaminants. Choose a coupling material that can withstand the conditions and resist corrosion or degradation.
  • Space Limitations: Take into account the available space for installing the coupling. Some couplings may have compact designs that are better suited for confined spaces.
  • Shaft Sizes: Ensure that the coupling is compatible with the diameters of the connected shafts. Verify the coupling’s bore sizes and choose one that matches the shaft sizes.
  • Installation and Maintenance: Consider the ease of installation and maintenance. Some couplings have simpler installation procedures, while others might require more complex procedures.
  • Cost: Evaluate the budget for the coupling. While high-performance couplings might have added benefits, they could also come at a higher cost. Balance the performance requirements with budget constraints.

By carefully assessing these factors and selecting the appropriate elastic coupling, engineers can ensure optimal performance, longevity, and reliability of the machinery and systems they design.

China Good quality 1604076100 Elastic Coupling Rubber Coupling Suitable for Xas97 Mobile Air Compressor  China Good quality 1604076100 Elastic Coupling Rubber Coupling Suitable for Xas97 Mobile Air Compressor
editor by CX 2024-05-15

China Good quality Rubber Flexible Elastic Spider Coupling Gasket for Coupling

Product Description

Product description 

Material

 Materials for silicon,fluorine,NBR,FPM,EPDM,SILCONE ACM,HNBR
Inspection Equipments  Excellent chemical and physical property, excellent oil- resistance, high temperature stability, etc.
Tolerance  +/-0.05mm
Drawing Format  PDF/DWG/DXF/IGS/STEP,etc
Application field  Parts are used on vehicles, printing machines, food processing machines, textile machines, electronic machines, etc.
Manufacturing  process  CNC machining Broaching, Drilling, Milling, Other Machining Services, Rapid Prototyping, Turning,
Shape  As per your drawing Or your sample
Color service   Customization
QC inspection

 Make sure 100% inspection before the delivery

Advantages Maintenance,acturally HRC coupling doesn’t need maintenance.
Environmental, elastic components make HRC coupling applies to a variety of working conditions.

Reliable transmission, in case of elastic component is damaged, the dog segment wichcasted siamesedly still keep the transmission processing reliably.

Economic, HRC couplings have already been made of optimization design,which make transmission power match the transmission shaft diameter.

Good recovery capacity, elastic components can reduce the load at the CHINAMFG moments, and the deviation is a major consideration when designing.

Adaptability of misalignment, HRC can coupling contains parallel shift, angle shift and axis shift which happen some times.

Application and analysis

Our warehouse

Custom rubber parts

Custom plastic parts

Packing & Delivery

Packaging Details: plastic bag packing inside, carton packing outside, or customized packing.
Port:Xihu (West Lake) Dis.g port, ZheJiang city.
Lead Time :

Quantity(Pieces) 1 – 1000 1001 – 10000 10001 – 50000 >50000    
Est. Time(days) 5 12 18 To be negotiated  

 

Place order steps

Our Services:

1. Convenient: 24th Hours sales/After-sales Service online or on the phone.

2. Quality Assurance: We will discuss with you and supply you the best quality comfortable to your market.

3. Quick delivery: Time is money, we promise we always will deliver the goods quicker than others.

4. According to customers’ drawing,customized specifications are welcomed.

5. Small orders can be accepted.

Packing

Company Profile

SHEN ZHOU CHINAMFG RUBBER & PLASTIC CO.,LTD was founded in 2000. The factory located in industrial zone of HangZhou city, ZheJiang province, china.

We have Plastic injection molding workshop and rubber compression molding workshops.Our main products includes Bakelit Knobs,Pull Handle,rubber door stops, door guard, roller, rubber bumpers, Rubber grommets, vibration dampers, seals, plastic corner, injection plastic brackets, injection plastic shell.to undertake various kinds of rubber molding and plastic injection parts, customize according to drawing and samples. 

The products have been exported to America, Europe, Oceania, Middle East, Southeast Asia and other regions and countries, and hope to build more business Cooperation with new client from all over the world.

FAQ

Q1: Are you a manufacturer or a trading company?

A1: We are the original manufacturer of custom rubber parts and custom plastic parts.

Q2: Where is your company located?

A2: Our company is located in HangZhou City, ZheJiang Province, China.

Q3: Could I get free samples?

A3: We could provide small samples for free, but air freight or sea freight should be borne by customer side.

Q4: What should I provide in order to get an offer?

A4: Customers are required to provide material, inner diameter, outer diameter, cross section distance and quantity.

Q5: How is the goods packed by your factory?

A5: The goods are normally packed by plastic bags, carton boxes with pallets or wooden boxes.

Q6: What are the incoterms applied?

A6: The incoterms applied are FOB, CIF and CFR.

Q7: What are the payment terms accepted?

A7: We accept Alibaba Trade Assurance, T/T, L/C and West Union.

Q8: What about the delivery time?

A8: The goods are normally dellivered to customer side within 7-30 days based CHINAMFG the mode of transport required.

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elastic coupling

Material Selection and Design Durability of Elastic Couplings

The choice of materials for elastic couplings significantly influences their design and overall durability. Material selection affects factors such as flexibility, torsional stiffness, fatigue resistance, and resistance to environmental conditions. Here’s how material selection plays a crucial role:

  • Elastomer Material: The elastomer used in elastic couplings determines the coupling’s flexibility, vibration absorption capabilities, and resilience. Common elastomers include natural rubber, synthetic rubber, and polyurethane. The selected elastomer should provide the desired level of elasticity and durability while maintaining its properties over time.
  • Hub and Spacer Material: The hubs and spacers of elastic couplings are typically made from metals like steel, aluminum, or alloy materials. These components need to be strong enough to transmit torque while accommodating misalignments and vibrations. The material should also resist wear, corrosion, and fatigue.
  • Bolt or Pin Material: Bolts or pins used to connect the hubs and elastomer element must possess sufficient strength to handle the torsional forces and loads. They should be made from materials with high tensile strength and corrosion resistance.
  • Environmental Factors: Depending on the application environment, material selection should consider factors such as temperature, moisture, chemicals, and UV exposure. The chosen materials should be able to withstand these conditions without deterioration.

Ultimately, a well-considered material selection enhances the coupling’s durability, operational performance, and resistance to wear, ensuring that the elastic coupling can reliably function under varying conditions and loads.

elastic coupling

Contribution of Elastic Couplings to Rotating System Efficiency

Elastic couplings play a significant role in enhancing the overall efficiency of rotating systems by providing various benefits:

1. Vibration Damping: Elastic couplings absorb and dampen vibrations and shocks that arise from the operation of rotating machinery. By minimizing these vibrations, elastic couplings reduce wear and tear on components, leading to smoother operation and extended component lifespan.

2. Misalignment Compensation: Rotating systems often experience misalignments due to factors like thermal expansion, installation errors, or operational conditions. Elastic couplings can accommodate angular, axial, and radial misalignments, ensuring consistent power transmission and reducing stress on connected components.

3. Shock Absorption: In applications with sudden starts, stops, or load changes, elastic couplings absorb and distribute shock loads. This prevents sudden jolts that could damage the machinery or cause mechanical failures.

4. Torsional Vibration Reduction: Elastic couplings help minimize torsional vibrations, which can lead to resonance and cause structural damage. By damping these vibrations, elastic couplings prevent energy loss and ensure smooth operation.

5. Energy Efficiency: The ability of elastic couplings to reduce vibrations, misalignments, and shock loads leads to improved energy efficiency. The machinery experiences fewer energy losses due to internal friction and component stress.

Elastic couplings enhance the reliability, longevity, and performance of rotating systems, ultimately leading to reduced downtime, maintenance costs, and overall operational inefficiencies.

elastic coupling

Types of Elastic Couplings for Specific Applications

There are various types of elastic couplings available, each designed to suit specific industrial applications:

  • Flexible Jaw Couplings: These couplings use an elastomeric element to transmit torque and accommodate misalignment. They are commonly used in applications where shock absorption and vibration damping are important, such as pumps, compressors, and conveyor systems.
  • Diaphragm Couplings: Diaphragm couplings use thin metal diaphragms to transmit torque while allowing for angular, axial, and radial misalignment. They are often used in high-performance applications where precise motion transmission is required, such as in robotics, precision machinery, and aerospace systems.
  • Torsional Couplings: Torsional couplings are designed to handle high torque loads and are commonly used in heavy-duty applications, including industrial machinery, mining equipment, and large pumps.
  • Disc Couplings: Disc couplings use multiple thin metal discs to transmit torque and accommodate misalignment. They are suitable for applications requiring high torque transmission and precise motion control, such as turbines, generators, and high-speed machinery.
  • Beam Couplings: Beam couplings use helical cuts in a flexible beam to provide torsional flexibility and misalignment compensation. They are used in applications that require moderate torque transmission and misalignment accommodation, such as stepper motors and motion control systems.
  • Oldham Couplings: Oldham couplings use three disks to transmit torque while allowing for axial misalignment. They are commonly used in applications that require accurate motion transmission, such as linear actuators and CNC machinery.

The choice of the right type of elastic coupling depends on factors such as the application’s torque requirements, speed, misalignment characteristics, and specific performance needs.

China Good quality Rubber Flexible Elastic Spider Coupling Gasket for Coupling  China Good quality Rubber Flexible Elastic Spider Coupling Gasket for Coupling
editor by CX 2024-05-13

China Hot selling Mt Yox Mh HRC Gr GS Nm Nl Gr42 T PU Polyurethane Rubber Coupling Spider Elastic Gasket Ring

Product Description

 

Product Description

MT YOX MH HRC GR GS NM NL GR42 T PU Polyurethane Rubber Coupling spider elastic gasket ring

Polyurethane or called PU, Urethane is 1 of the strongest, toughest and most durable materials for making custom urethane parts and custom urethane products.

Our company can produce and supply cast polyurethane elastomer, which has excellent chemical characters: oil resistant, CHINAMFG resistant, aging resistant, corrosion resistant, hydrolysis resistant, heat and cold resistant, etc. Also polyurethane has excellent physical characters: high tear resistant, high impact resistant, high elasticity, high load-bearing resistant, etc. Compared to rubber, plastic and other material, polyurethane offers perfect mechanical properties. 

With our in-house mold making capabilities, and 3D printer, we’re able to easily manufacture precise shapes cost-effectively.

Polyurethane products mainly include: Polyurethane block of coal plates, polyurethane scraper, etc., to meet different customer needs, special orders can be made as drawing and sample. 
 

 

Custom Polyurethane PU Part as per your design.
1. Material: PU Polyurethane or rubber
2. Size: According to your drawing or sample.
3. Color: Black, white, Transparent, gray, green, yellow, blue, red and so on.

Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling:

1. Most of the plastic corrosion resistance is strong, does not react with acid, alkali.
2. Plastic manufacturing cost is low.
3. Durable, waterproof, light.
4. Easy to be with molding into different shapes.
5. Is a good insulator.
6. Plastic can be used for the preparation of fuel oil and fuel gas, so that we can reduce oil consumption

 

Product Name

Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling

Material

PU, ABS, PC, PP, PS, POM, PMMA, PBT, PVC, PA6, PA66, PA66+30% GF,

PTFE, PC+ABS, TPE, etc

Surface Finish

Color painting,Texture, Silk-printing, Vacuum coating, rubber coating, etc.

Cavity Variety:

One-stop solution,Multi-cavity mold,Family plastic mold,Hot runner plastic mold

Quality Control

ISO/TS16949:2002 and ISO14001:2004 system

Business Scope

Mold and parts designing and making,Parts machining,Injection molding,

CNC prototype manufacturing

Mold Processing

CNC EDM machine processing then assembly and trial

Color

Red, blue, green, yellow,all pantone colors and RAL colors

 

Besides plum CHINAMFG pad, or called GR mat, polyurethane sprockets, coupling cushion gasket, etc, we also can customize various PU products according to your drawing. Some cases are below: 

Product Parameters

Feature:

1.Abrasion resistant, High rebound, High load capacity
2.Customized size and color is available

Advantage:

Wear resistance,Tensile strength, Anti-static, High load capacity , Temperature resistant ,Mechanical formulation ,Oil resistance
, Solvent resistance, Hydrolysis resistance
antioxidant

Application:

– Machine parts
– Wheel of clay machine
– Sleeve bearing.
– Conveyor roller
– Conveyor belt
– Injected seal ring
– LCD TV card slots
– Soft PU coated rollers
– U groove for aluminium
– PU screen mesh
– Industrial impeller
– Mining scraper
– Mining water flume
– Screen printing squeegee
– Car film tools

Company Profile

HangZhou CITY SANSHI RUBBER CO.,LTD.

Was founded in 1980,we are located in HangZhou HangZhou city, ZheJiang province of China,
covers 9000 square meters,with more than hundred workemates and 30 sets of machinery equipment.
Rubber Oil seal are our major products also with customerized rubber parts , Rubber gaskets, Rubber damping blocks,Rubber sealing strip, Rubber sealing band,Polyurethane parts,Plastic Products, Bakelite Products , ring, Hardware stamping parts.

Our advantages

1. Various material. 
2. We are direct factory, so small order quantity is acceptable and lots of samples are free. 
3. There are about 8000 sets of moulds are free. 
4. Our factory locates in the north of China, the cheaper labor cost brings us lower production cost. 
5. With more than 30-year experience, we could supply you suitable solutions. 

 

FAQ

Q1: Are you trading company or manufacturer?
We are a manufacturer specializing in rubber & plastic products.

Q2: Can I have a sample order for the product?
Yes, we welcome sample order to test and check quality.

Q3: Do you provide OEM/ODM service?
Yes, OEM/ODM are welcome.

Q4: I want to know more information, what should I do?
Welcome talk with us online or leave a message. Besides, you can also contact us by Email.
We will reply to you within 24 hours on weekdays.

Q5: What about the lead time?
Sample needs 5-7 days, mass production time is subject to your quantity. 15-20 days to deliver 1×20″ container of roof flashing for
instance.

Q6: Is it OK to print my logo on the product?
Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

material: Polyurethane,
color: white, black, yellew, orange
feature: wearable, high qualtiy and best price
 

T type plum 6 corner pump pad

Performance and application:

This product is suitable for the pump and the drive mechanism to connect the elastic buffer.

Use temperature: 0C ~+80 0C -40

Product hardness: 5.75A + 5 +

Gauge: T200 – T40

Cars, tractors gearbox seal with nitrile rubber, its poor performance. Instead polyurethane elastomer seals, has good flexibility, water resistance, elasticity, abrasion resistance, low temperature resistance and mechanical strength.
custom-made is welcome, and the mold charge is for free.

Material available NBR, HNBR(H), HNBR(X), EPDM, NR,SBR, ACM,CFR,VMQ, CR,FKM(V), FFKM(K), PU, ECO,AFLAC
Mold  We can make mold by ourselves with competitive price,
And if the quantity is up to 1000 pcs, the mold is for free.
And more, for various oil seal, we have more than 10,000 molds in stock.
Size range From 10mm to 2000mm Diameter
 
Weight range of products 5g to 20kg
Colors available  Red, orange, yellow, green, blue, gray, purple, brown, milk color
processing equipment Rubber molding machines, rubber injection machines, extruding machines.

 

More about our company :
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elastic coupling

Limitations and Disadvantages of Elastic Couplings

While elastic couplings offer various benefits, they also come with certain limitations and disadvantages that engineers and designers need to consider:

  • Torsional Stiffness: Elastic couplings provide flexibility, but this can lead to lower torsional stiffness compared to rigid couplings. In applications requiring high torsional stiffness, elastic couplings might not be the ideal choice.
  • Energy Loss: Due to the elastic nature of the material, a portion of the transmitted torque can be absorbed as deformation energy in the elastomer. This can result in energy losses and reduce overall efficiency.
  • Wear and Fatigue: The elastomer element in elastic couplings can experience wear, fatigue, and deterioration over time, especially in applications with high loads or extreme operating conditions. Regular maintenance and monitoring are essential to ensure proper functionality.
  • Temperature Sensitivity: Some elastomer materials used in elastic couplings might be sensitive to temperature fluctuations. Extreme temperatures can affect the properties of the elastomer and compromise the coupling’s performance.
  • Alignment Requirements: While elastic couplings can accommodate minor misalignments, excessive misalignment can still lead to premature wear and reduced coupling lifespan. Proper alignment remains important for optimal performance.

Engineers and designers must carefully assess the specific requirements of their applications to determine if the advantages of elastic couplings outweigh the potential limitations and disadvantages.

elastic coupling

Alternatives to Elastic Couplings for Flexible Connections in Machinery

There are several alternatives to elastic couplings for achieving flexible connections in machinery:

1. Universal Joints: Universal joints, also known as U-joints, are mechanical devices that allow rotational motion between two shafts at different angles. They are suitable for applications with significant misalignment.

2. Cardan Shafts: Cardan shafts consist of a series of universal joints connected in a line, allowing for the transmission of torque and rotation in complex systems.

3. Oldham Couplings: Oldham couplings use sliding disks to transmit torque while accommodating small misalignments. They are suitable for applications where precise positioning is required.

4. Beam Couplings: Beam couplings use a flexible beam to transmit torque and compensate for angular and axial misalignment.

5. Diaphragm Couplings: Diaphragm couplings use thin diaphragms to transmit torque while compensating for misalignment. They are often used in high-performance applications.

6. Gear Couplings: Gear couplings use teethed gears to transmit torque and accommodate misalignment. They are suitable for heavy-duty applications.

7. Chain Couplings: Chain couplings use roller chains to transmit torque and handle misalignment. They are commonly used in low-speed, high-torque applications.

8. Bellows Couplings: Bellows couplings use a bellows-like flexible element to transmit torque while compensating for misalignment.

Each of these alternatives has its own advantages and limitations, and the choice depends on the specific requirements of the application.

elastic coupling

Benefits of Using Elastic Couplings in Industrial Machinery

Elastic couplings offer several advantages when used in industrial machinery:

  • Misalignment Compensation: Elastic couplings can accommodate small angular, axial, and radial misalignments between connected shafts. This ability to compensate for misalignment helps prolong the life of machinery components and reduces the risk of premature wear.
  • Vibration Damping: The elastic element in the coupling absorbs and dampens vibrations generated during operation. This feature improves the overall smoothness of machinery operation, reduces noise, and minimizes the transmission of vibrations to other parts of the system.
  • Shock Absorption: Elastic couplings absorb sudden shocks or impacts that may occur during operation. By reducing the impact load on the connected components, the coupling helps prevent damage and extends the lifespan of the machinery.
  • Reduced Maintenance: The flexibility and shock-absorbing properties of elastic couplings contribute to lower maintenance requirements. Machinery components experience less stress and wear, resulting in longer intervals between maintenance tasks.
  • Protection of Equipment: Elastic couplings act as a protective barrier between connected machinery. They isolate vibrations and shocks, preventing these forces from propagating throughout the system and potentially causing damage.
  • Improved Efficiency: By minimizing misalignment-related losses and reducing vibrations, elastic couplings contribute to improved machinery efficiency. This can lead to energy savings and better overall performance.

In summary, elastic couplings play a crucial role in enhancing the reliability, longevity, and efficiency of industrial machinery by addressing misalignment, dampening vibrations, absorbing shocks, and minimizing maintenance needs.

China Hot selling Mt Yox Mh HRC Gr GS Nm Nl Gr42 T PU Polyurethane Rubber Coupling Spider Elastic Gasket Ring  China Hot selling Mt Yox Mh HRC Gr GS Nm Nl Gr42 T PU Polyurethane Rubber Coupling Spider Elastic Gasket Ring
editor by CX 2024-05-13

China high quality Elastic Rubber Coupling for Air Compressor

Product Description

Quick Details
Place of Origin: ZheJiang , China (Mainland)
Brand Name: CHINAMFG
Model Number: ELASTIC rubber coupling G80HE rubber coupling
Application: Construction machines
Engine Model 1: for Hatz 2L/3L/4L41C 2M/3M/4M41
Engine Model 2: for Hatz W35
Engine Model 3: for Hatz 1D81/1D90 Z788/Z789/Z790
Model: ELASTIC rubber coupling G80HE rubber coupling
Machines: Excavators, bulldozers, Wheel loader flange
Description: Engine Drive Coupling
Material: Rubber, PA6
Coupling assy: Element,

HPV102, 8DC8 8DC9, TierII 522192, 60, 1,

385, 396, 415, 416,  455, 485,

VIO75, VIO70, 172187-712, 4DNV98

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elastic coupling

Compensation for Misalignment in Elastic Couplings

Elastic couplings are designed to accommodate certain degrees of misalignment between connected components in mechanical systems. The elastomeric material used in the coupling plays a crucial role in this compensation process:

When the two components connected by the elastic coupling experience angular, parallel, or axial misalignment, the elastomeric material deforms to a certain extent. This deformation allows the coupling to maintain its connection while absorbing the misalignment-induced stresses and forces.

The elastomer acts as a flexible link between the components, allowing them to move relative to each other within specified limits. The deformation of the elastomer also helps distribute the load more evenly, reducing stress concentrations and the risk of premature wear or damage to the coupling or connected components.

Elastic couplings can compensate for both static and dynamic misalignment, making them suitable for applications where minor misalignment is unavoidable due to factors such as manufacturing tolerances, thermal expansion, or vibration.

It’s important to note that while elastic couplings can accommodate misalignment, excessive misalignment should still be avoided, as it can lead to accelerated wear and reduced coupling lifespan. Regular inspection and maintenance are recommended to ensure that the coupling is operating within its designed limits.

elastic coupling

Backlash in Elastic Couplings

Backlash refers to the amount of play or clearance between mating components in a mechanical system, particularly in elastic couplings. In an elastic coupling, backlash is the angular movement or rotation that occurs when there is a change in direction of the input shaft without an immediate response from the output shaft.

Backlash is a result of the elasticity and flexibility of the coupling’s components, such as the elastomer or other flexible elements. When the input direction changes, the elastic elements need to overcome their deformation before transmitting torque to the output shaft. This delay can lead to a temporary loss of motion and reduced precision in positioning applications.

Backlash can have a negative impact on the accuracy, repeatability, and overall performance of a machinery system. It can result in positioning errors, reduced responsiveness, and even potential damage to the system. Therefore, minimizing backlash is crucial in applications that require high precision and responsiveness.

Engineers can address backlash in elastic couplings by selecting couplings with lower compliance, optimizing the design to minimize the flexibility of the coupling elements, and using additional components like anti-backlash devices or preloaded mechanisms.

elastic coupling

Benefits of Using Elastic Couplings in Industrial Machinery

Elastic couplings offer several advantages when used in industrial machinery:

  • Misalignment Compensation: Elastic couplings can accommodate small angular, axial, and radial misalignments between connected shafts. This ability to compensate for misalignment helps prolong the life of machinery components and reduces the risk of premature wear.
  • Vibration Damping: The elastic element in the coupling absorbs and dampens vibrations generated during operation. This feature improves the overall smoothness of machinery operation, reduces noise, and minimizes the transmission of vibrations to other parts of the system.
  • Shock Absorption: Elastic couplings absorb sudden shocks or impacts that may occur during operation. By reducing the impact load on the connected components, the coupling helps prevent damage and extends the lifespan of the machinery.
  • Reduced Maintenance: The flexibility and shock-absorbing properties of elastic couplings contribute to lower maintenance requirements. Machinery components experience less stress and wear, resulting in longer intervals between maintenance tasks.
  • Protection of Equipment: Elastic couplings act as a protective barrier between connected machinery. They isolate vibrations and shocks, preventing these forces from propagating throughout the system and potentially causing damage.
  • Improved Efficiency: By minimizing misalignment-related losses and reducing vibrations, elastic couplings contribute to improved machinery efficiency. This can lead to energy savings and better overall performance.

In summary, elastic couplings play a crucial role in enhancing the reliability, longevity, and efficiency of industrial machinery by addressing misalignment, dampening vibrations, absorbing shocks, and minimizing maintenance needs.

China high quality Elastic Rubber Coupling for Air Compressor  China high quality Elastic Rubber Coupling for Air Compressor
editor by CX 2024-05-07

China Good quality PU Rubber Flexible Elastic Spider Coupling Gasket for Jaw Coupling

Product Description

Product description 

Material

Materials for silicon,fluorine,NBR,FPM,EPDM,SILCONE ACM,HNBR
 Inspection Equipments  Excellent chemical and physical property, excellent oil- resistance, high temperature stability, etc.
 Tolerance  +-0.05mm
 Drawing Format  PDF/DWG/DXF/IGS/STEP,etc
 Application field  Parts are used on vehicles, printing machines, food processing machines, textile machines, electronic machines, etc.
 Manufacturing     process  CNC machining Broaching, Drilling, Milling, Other Machining Services, Rapid Prototyping, Turning,
Shape  As per your drawing Or the sample
 Color service    customization
QC inspection

Make sure 100% inspection before the delivery

Advantages Maintenance,acturally HRC coupling doesn’t need maintenance
Environmental, elastic components make HRC coupling applies to a variety of working conditions

Reliable transmission, in case of elastic component is damaged, the dog segment wichcasted siamesedly still keep the transmission processing reliably

Economic, HRC couplings have already been made of optimization design,which make transmission power match the transmission shaft diameter

Good recovery capacity, elastic components can reduce the load at the CHINAMFG moments, and the deviation is     a major consideration when designing.

Adaptability of misalignment, HRC can coupling contains parallel shift, angle shift and axis shift which
happen some times

Application and analysis

Our warehouse

Custom rubber parts

Custom plastic parts

Packing & Delivery
Packaging Details
plastic bag packing inside, carton packing outside, or customized packing.
Port
Xihu (West Lake) Dis.g port, ZheJiang city
Lead Time :

Quantity(Pieces) 1 – 1000 1001 – 10000 10001 – 50000 >50000
Est. Time(days) 5 12 18 To be negotiated
 

Company Profile
Company Brief Introduction:
SHEN ZHOU CHINAMFG RUBBER & PLASTIC CO.,LTD was founded in 2000. The factory located in industrial zone of HangZhou city, ZheJiang province, china.
We have Plastic injection molding workshop and rubber compression molding workshops.
Our main products includes Bakelit Knobs,Pull Handle,rubber door stops, door guard, roller, rubber bumpers, Rubber grommets, vibration dampers, seals, plastic corner, injection plastic brackets, injection plastic shell.
to undertake various kinds of rubber molding and plastic injection parts, customize according to drawing and samples. 
The products have been exported to America, Europe, Oceania, Middle East, Southeast Asia and other regions and countries, and hope to build more business Cooperation with new client from all over the world.

FAQ
Q1: Are you a manufacturer or a trading company?

A1: We are the original manufacturer of custom rubber parts and custom plastic parts.

Q2: Where is your company located?

A2: Our company is located in HangZhou City, ZheJiang Province, China.

Q3: Could I get free samples?

A3: We could provide small samples for free, but air freight or sea freight should be borne by customer side.

Q4: What should I provide in order to get an offer?

A4: Customers are required to provide material, inner diameter, outer diameter, cross section distance and quantity.

Q5: How is the goods packed by your factory?

A5: The goods are normally packed by plastic bags, carton boxes with pallets or wooden boxes.

Q6: What are the incoterms applied?

A6: The incoterms applied are FOB, CIF and CFR.

Q7: What are the payment terms accepted?

A7: We accept Alibaba Trade Assurance, T/T, L/C and West Union.

Q8: What about the delivery time?

A8: The goods are normally dellivered to customer side within 7-30 days based CHINAMFG the mode of transport required.

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

elastic coupling

Real-World Applications of Elastic Couplings

Elastic couplings find extensive use in various industries and applications where the reduction of vibration and shock is critical for performance, efficiency, and equipment longevity. Here are some examples:

  • Industrial Machinery: Elastic couplings are commonly employed in industrial machinery such as pumps, compressors, conveyors, and generators. They help minimize vibration and shock, ensuring smooth and reliable operation while protecting sensitive components.
  • Automotive Industry: In automotive applications, elastic couplings are used in drivetrains to dampen vibrations and shocks between the engine and the transmission. This enhances driving comfort, reduces noise, and prevents excessive wear on connected components.
  • Power Generation: Power generation equipment, including turbines and generators, benefits from elastic couplings that absorb torsional vibrations and shocks. This aids in maintaining stable power output and extending the lifespan of critical components.
  • Printing and Packaging: Printing presses and packaging machinery rely on elastic couplings to reduce vibrations during high-speed operations. This ensures precise printing and packaging while preventing damage to sensitive components.
  • Robotics and Automation: Elastic couplings are crucial in robotics and automation systems to mitigate vibrations and shocks that can affect accuracy and reliability. They enable precise movement control and consistent performance.
  • Medical Equipment: Medical devices such as MRI machines and X-ray equipment utilize elastic couplings to minimize vibrations that could impact image quality and precision during medical procedures.

These examples highlight how elastic couplings contribute to optimal performance, reduced maintenance, and increased equipment lifespan across diverse industries.

elastic coupling

Backlash in Elastic Couplings

Backlash refers to the amount of play or clearance between mating components in a mechanical system, particularly in elastic couplings. In an elastic coupling, backlash is the angular movement or rotation that occurs when there is a change in direction of the input shaft without an immediate response from the output shaft.

Backlash is a result of the elasticity and flexibility of the coupling’s components, such as the elastomer or other flexible elements. When the input direction changes, the elastic elements need to overcome their deformation before transmitting torque to the output shaft. This delay can lead to a temporary loss of motion and reduced precision in positioning applications.

Backlash can have a negative impact on the accuracy, repeatability, and overall performance of a machinery system. It can result in positioning errors, reduced responsiveness, and even potential damage to the system. Therefore, minimizing backlash is crucial in applications that require high precision and responsiveness.

Engineers can address backlash in elastic couplings by selecting couplings with lower compliance, optimizing the design to minimize the flexibility of the coupling elements, and using additional components like anti-backlash devices or preloaded mechanisms.

elastic coupling

Benefits of Using Elastic Couplings in Industrial Machinery

Elastic couplings offer several advantages when used in industrial machinery:

  • Misalignment Compensation: Elastic couplings can accommodate small angular, axial, and radial misalignments between connected shafts. This ability to compensate for misalignment helps prolong the life of machinery components and reduces the risk of premature wear.
  • Vibration Damping: The elastic element in the coupling absorbs and dampens vibrations generated during operation. This feature improves the overall smoothness of machinery operation, reduces noise, and minimizes the transmission of vibrations to other parts of the system.
  • Shock Absorption: Elastic couplings absorb sudden shocks or impacts that may occur during operation. By reducing the impact load on the connected components, the coupling helps prevent damage and extends the lifespan of the machinery.
  • Reduced Maintenance: The flexibility and shock-absorbing properties of elastic couplings contribute to lower maintenance requirements. Machinery components experience less stress and wear, resulting in longer intervals between maintenance tasks.
  • Protection of Equipment: Elastic couplings act as a protective barrier between connected machinery. They isolate vibrations and shocks, preventing these forces from propagating throughout the system and potentially causing damage.
  • Improved Efficiency: By minimizing misalignment-related losses and reducing vibrations, elastic couplings contribute to improved machinery efficiency. This can lead to energy savings and better overall performance.

In summary, elastic couplings play a crucial role in enhancing the reliability, longevity, and efficiency of industrial machinery by addressing misalignment, dampening vibrations, absorbing shocks, and minimizing maintenance needs.

China Good quality PU Rubber Flexible Elastic Spider Coupling Gasket for Jaw Coupling  China Good quality PU Rubber Flexible Elastic Spider Coupling Gasket for Jaw Coupling
editor by CX 2024-05-06

China supplier Engine Drive Elastic Rubber Coupling 48he D48407 for Atlas Compressor

Product Description

Engine Drive Elastic Rubber Coupling 48he D48407 for Atlas Compressor

Quick Details:
 

Place of Origin ZheJiang ,China(Mainland)
Type Rubber Elastic Coupling
Available In Stock
Brand Name Y&F/YNF
Structure Plastic Rubber Plastic
Model 48HE 6 1/2” Coupling
Model Number Rubber Elastic Coupling
Applican Compressor, Construction Machines

Packaging & Delivery:
 

Packaging Details: 1. spare parts, with carton package as usual for mini order
2. Main pump, wooden box
3. if need wooden pallets, the customer needs to pay for the wooden pallet charges
Engine Drive Elastic Rubber Coupling 48HE D48407 for Atlas Compressor
Delivery Detail: Shipped in 7 days after payment

Product Description:
 
Engine Drive Coupling Description
–Elastic Rubber coupling for Compressors

Elastic 48HE G80HE coupling 48407

Company Information
Yingfeng Construction Machinery Ltd is a Chinese factory producing excavator parts, such as coupling, engine mount, radiator hose, cab interior, clutch, fan, exhaust manifold, intake manifold, rubber floor mat, pulley, damper, tensioner, tube, handle, oil seal, alternator, starter, water pump, etc. We also hydraulic parts, filter, engine parts, gears, bearing, undercarriage parts and OEM service. 
 
* Biggest Excavator Rubber Parts factory in southern China. Lower production cost!
* Thousands of product lines, varies quality levels. More Choices!
* More than 16 agents all over China. Plan to expand business over the world. Agent wanted!
* More than years of manufacture experience. Professional!
* Provide customer with OEM service & various product quality levels. Help you easily sell!
* Office and showroom in HangZhou. Good logistics service! 

In order to give you fast and accurate pricing information, Details about the parts will be required :
 
Part Number
Part Description, it will be better if you have a picture

Engine model, Machine model

Contact Information
If you can not find the parts you want, please contact us

Products Show:

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

elastic coupling

Reducing Vibration and Shock in Machinery with Elastic Couplings

Elastic couplings play a crucial role in minimizing vibration and shock in machinery by offering flexibility and damping characteristics. Here’s how they contribute to this important function:

  • Vibration Absorption: Elastic couplings are designed with flexible elements that can absorb and dampen vibrations generated by rotating machinery. These flexible elements act as shock absorbers, reducing the transmission of vibrations to other parts of the system.
  • Isolation: The inherent flexibility of elastic couplings isolates vibrations and shocks from one side of the coupling to the other. This prevents vibrations from propagating throughout the connected components, helping to protect sensitive equipment and improve overall system performance.
  • Resonance Damping: Elastic couplings can help dampen resonance frequencies that can occur in machinery during operation. By absorbing and dissipating energy, they reduce the risk of resonance-related issues that can lead to mechanical failure or decreased efficiency.
  • Smooth Torque Transmission: Elastic couplings offer a smooth torque transmission that helps reduce sudden torque spikes and shocks during start-up or sudden load changes. This prevents abrupt mechanical stresses that can lead to vibration and shock propagation.
  • Increased Equipment Lifespan: By minimizing the impact of vibrations and shocks, elastic couplings contribute to the longevity of connected machinery and components. Reduced vibration-related wear and tear can extend the service life of the entire system.

Overall, elastic couplings are effective tools for managing vibration and shock in machinery, enhancing operational reliability, reducing maintenance needs, and maintaining optimal performance.

elastic coupling

Installation Guidelines for Integrating Elastic Couplings

Proper installation of elastic couplings is essential to ensure their optimal performance and longevity. Engineers should follow these guidelines:

1. Alignment: Before installation, ensure that the connected shafts are properly aligned within the manufacturer’s specified tolerances. Misalignment can lead to premature wear and reduced coupling effectiveness.

2. Lubrication: Some elastic couplings require lubrication to maintain smooth operation. Follow the manufacturer’s recommendations for the type and amount of lubricant to use.

3. Mounting: Securely mount the elastic coupling onto the shafts using appropriate torque values for the coupling’s fasteners. Use a torque wrench to prevent over-tightening, which can damage the coupling or the shafts.

4. Inspection: Inspect the coupling for any signs of damage or defects before installation. Any issues should be addressed before the coupling is put into operation.

5. Clearance: Maintain proper clearance between the coupling and surrounding components to prevent interference during operation, especially if the coupling flexes during use.

6. Environmental Factors: Consider the operating environment, such as temperature, humidity, and exposure to chemicals, when selecting an appropriate elastic coupling material.

7. Manufacturer’s Recommendations: Always refer to the manufacturer’s installation guidelines and instructions specific to the type and model of elastic coupling being used.

Following these installation guidelines will help ensure the effective and safe integration of elastic couplings into mechanical systems.

elastic coupling

Industries Using Elastic Couplings

Elastic couplings find extensive use in various industries due to their unique benefits:

  • Industrial Manufacturing: Elastic couplings are widely used in manufacturing equipment, conveyors, and assembly lines to maintain smooth operation and reduce vibrations.
  • Automotive: Automotive applications include engine components, powertrain systems, and vehicle suspension systems where flexibility and vibration dampening are crucial.
  • Power Generation: Elastic couplings are used in power generation equipment such as generators, turbines, and pumps to absorb torsional vibrations and enhance efficiency.
  • Aerospace: In aerospace applications, elastic couplings help dampen vibrations in critical components like aircraft engines and control systems.
  • Renewable Energy: Wind turbines and solar tracking systems benefit from elastic couplings to accommodate misalignments and vibrations caused by changing wind conditions.
  • Mining: Mining equipment such as crushers, conveyors, and screens utilize elastic couplings to handle varying loads and minimize shock loads.
  • Marine: Elastic couplings are used in marine propulsion systems and ship equipment to manage torque fluctuations and reduce vibrations.

These industries rely on elastic couplings to enhance performance, extend machinery lifespan, and minimize downtime due to vibrations, misalignments, and shock loads.

China supplier Engine Drive Elastic Rubber Coupling 48he D48407 for Atlas Compressor  China supplier Engine Drive Elastic Rubber Coupling 48he D48407 for Atlas Compressor
editor by CX 2024-05-06

China Best Sales Gr90 Gr100 Gr140 Red Yellow Shaft Coupling Rubber PU Elastic Buffer

Product Description

 

Product Description

China factory high quality GR90 GR100 GR140 red yellow Shaft Coupling Rubber PU Elastic Buffer

Polyurethane or called PU, Urethane is 1 of the strongest, toughest and most durable materials for making custom urethane parts and custom urethane products.

Our company can produce and supply cast polyurethane elastomer, which has excellent chemical characters: oil resistant, CHINAMFG resistant, aging resistant, corrosion resistant, hydrolysis resistant, heat and cold resistant, etc. Also polyurethane has excellent physical characters: high tear resistant, high impact resistant, high elasticity, high load-bearing resistant, etc. Compared to rubber, plastic and other material, polyurethane offers perfect mechanical properties. 

With our in-house mold making capabilities, and 3D printer, we’re able to easily manufacture precise shapes cost-effectively.

Polyurethane products mainly include: Polyurethane block of coal plates, polyurethane scraper, etc., to meet different customer needs, special orders can be made as drawing and sample. 
 

 

Custom Polyurethane PU Part as per your design.
1. Material: PU Polyurethane or rubber
2. Size: According to your drawing or sample.
3. Color: Black, white, Transparent, gray, green, yellow, blue, red and so on.

Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling:

1. Most of the plastic corrosion resistance is strong, does not react with acid, alkali.
2. Plastic manufacturing cost is low.
3. Durable, waterproof, light.
4. Easy to be with molding into different shapes.
5. Is a good insulator.
6. Plastic can be used for the preparation of fuel oil and fuel gas, so that we can reduce oil consumption

 

Product Name

Hand Cast Mold Polyurethane Parts PU Coupling Cushion, PU spider, PU coupling

Material

PU, ABS, PC, PP, PS, POM, PMMA, PBT, PVC, PA6, PA66, PA66+30% GF,

PTFE, PC+ABS, TPE, etc

Surface Finish

Color painting,Texture, Silk-printing, Vacuum coating, rubber coating, etc.

Cavity Variety:

One-stop solution,Multi-cavity mold,Family plastic mold,Hot runner plastic mold

Quality Control

ISO/TS16949:2002 and ISO14001:2004 system

Business Scope

Mold and parts designing and making,Parts machining,Injection molding,

CNC prototype manufacturing

Mold Processing

CNC EDM machine processing then assembly and trial

Color

Red, blue, green, yellow,all pantone colors and RAL colors

Besides plum CHINAMFG pad, or called GR mat, polyurethane sprockets, coupling cushion gasket, etc, we also can customize various PU products according to your drawing. Some cases are below: 

Product Parameters

Feature:

1.Abrasion resistant, High rebound, High load capacity
2.Customized size and color is available

Advantage:

Wear resistance,Tensile strength, Anti-static, High load capacity , Temperature resistant ,Mechanical formulation ,Oil resistance
, Solvent resistance, Hydrolysis resistance
antioxidant

Application:

– Machine parts
– Wheel of clay machine
– Sleeve bearing.
– Conveyor roller
– Conveyor belt
– Injected seal ring
– LCD TV card slots
– Soft PU coated rollers
– U groove for aluminium
– PU screen mesh
– Industrial impeller
– Mining scraper
– Mining water flume
– Screen printing squeegee
– Car film tools

Company Profile

HangZhou CITY SANSHI RUBBER CO.,LTD.

Was founded in 1980,we are located in HangZhou HangZhou city, ZheJiang province of China,
covers 9000 square meters,with more than hundred workemates and 30 sets of machinery equipment.
Rubber Oil seal are our major products also with customerized rubber parts , Rubber gaskets, Rubber damping blocks,Rubber sealing strip, Rubber sealing band,Polyurethane parts,Plastic Products, Bakelite Products , ring, Hardware stamping parts.

Our advantages

1. Various material. 
2. We are direct factory, so small order quantity is acceptable and lots of samples are free. 
3. There are about 8000 sets of moulds are free. 
4. Our factory locates in the north of China, the cheaper labor cost brings us lower production cost. 
5. With more than 30-year experience, we could supply you suitable solutions. 

 

FAQ

Q1: Are you trading company or manufacturer?
We are a manufacturer specializing in rubber & plastic products.

Q2: Can I have a sample order for the product?
Yes, we welcome sample order to test and check quality.

Q3: Do you provide OEM/ODM service?
Yes, OEM/ODM are welcome.

Q4: I want to know more information, what should I do?
Welcome talk with us online or leave a message. Besides, you can also contact us by Email.
We will reply to you within 24 hours on weekdays.

Q5: What about the lead time?
Sample needs 5-7 days, mass production time is subject to your quantity. 15-20 days to deliver 1×20″ container of roof flashing for
instance.

Q6: Is it OK to print my logo on the product?
Yes. Please inform us formally before our production and confirm the design firstly based on our sample.

material: Polyurethane,
color: white, black, yellew, orange
feature: wearable, high qualtiy and best price
 

T type plum 6 corner pump pad

Performance and application:

This product is suitable for the pump and the drive mechanism to connect the elastic buffer.

Use temperature: 0C ~+80 0C -40

Product hardness: 5.75A + 5 +

Gauge: T200 – T40

Cars, tractors gearbox seal with nitrile rubber, its poor performance. Instead polyurethane elastomer seals, has good flexibility, water resistance, elasticity, abrasion resistance, low temperature resistance and mechanical strength.
custom-made is welcome, and the mold charge is for free.

Material available NBR, HNBR(H), HNBR(X), EPDM, NR,SBR, ACM,CFR,VMQ, CR,FKM(V), FFKM(K), PU, ECO,AFLAC
Mold  We can make mold by ourselves with competitive price,
And if the quantity is up to 1000 pcs, the mold is for free.
And more, for various oil seal, we have more than 10,000 molds in stock.
Size range From 10mm to 2000mm Diameter
 
Weight range of products 5g to 20kg
Colors available  Red, orange, yellow, green, blue, gray, purple, brown, milk color
processing equipment Rubber molding machines, rubber injection machines, extruding machines.

 

More about our company :
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elastic coupling

Maintenance Requirements for Optimal Performance of Elastic Couplings

Maintaining elastic couplings is essential to ensure their optimal performance and longevity. Following these maintenance guidelines can help prevent premature wear and failure:

  • Regular Inspection: Periodically inspect the coupling for signs of wear, such as cracks, deformities, or visible damage. This can help identify issues early and prevent further damage.
  • Lubrication: Some elastic couplings require lubrication to reduce friction and wear. Follow the manufacturer’s recommendations for lubrication intervals and use compatible lubricants.
  • Torque Check: Check the coupling’s torque values to ensure they are within the specified range. This helps maintain proper torque transmission and prevents overloading.
  • Alignment Check: Monitor the alignment of the connected shafts regularly. Misalignment can cause excessive stress on the coupling, leading to premature failure.
  • Vibration Analysis: Perform vibration analysis to identify any abnormal vibrations in the system. Excessive vibrations could indicate coupling or system issues that need attention.
  • Temperature and Environment: Ensure that the coupling operates within the recommended temperature and environmental limits. Extreme conditions can affect the coupling’s material properties and performance.
  • Coupling Wear: Keep track of the coupling’s wear over time. Depending on the application, the coupling might need replacement after a certain period of service.
  • Expert Inspection: If any unusual symptoms or problems arise, consider having the coupling inspected by a qualified technician or engineer to diagnose the issue accurately.

Adhering to these maintenance practices helps extend the service life of elastic couplings, ensures reliable performance, and minimizes unexpected downtime and costly repairs.

elastic coupling

Installation Guidelines for Integrating Elastic Couplings

Proper installation of elastic couplings is essential to ensure their optimal performance and longevity. Engineers should follow these guidelines:

1. Alignment: Before installation, ensure that the connected shafts are properly aligned within the manufacturer’s specified tolerances. Misalignment can lead to premature wear and reduced coupling effectiveness.

2. Lubrication: Some elastic couplings require lubrication to maintain smooth operation. Follow the manufacturer’s recommendations for the type and amount of lubricant to use.

3. Mounting: Securely mount the elastic coupling onto the shafts using appropriate torque values for the coupling’s fasteners. Use a torque wrench to prevent over-tightening, which can damage the coupling or the shafts.

4. Inspection: Inspect the coupling for any signs of damage or defects before installation. Any issues should be addressed before the coupling is put into operation.

5. Clearance: Maintain proper clearance between the coupling and surrounding components to prevent interference during operation, especially if the coupling flexes during use.

6. Environmental Factors: Consider the operating environment, such as temperature, humidity, and exposure to chemicals, when selecting an appropriate elastic coupling material.

7. Manufacturer’s Recommendations: Always refer to the manufacturer’s installation guidelines and instructions specific to the type and model of elastic coupling being used.

Following these installation guidelines will help ensure the effective and safe integration of elastic couplings into mechanical systems.

elastic coupling

Difference Between Elastic Coupling and Rigid Coupling

Elastic couplings and rigid couplings are two distinct types of couplings used in mechanical designs:

Elastic Coupling: An elastic coupling incorporates an elastomeric material, such as rubber, to provide flexibility and absorb shock and vibration. It allows for misalignment compensation and is ideal for applications where there may be slight misalignment or the need for vibration damping. Elastic couplings are commonly used in machinery that requires smooth operation and reduced stress on connected components.

Rigid Coupling: A rigid coupling, as the name suggests, is designed to provide a solid connection between two shafts. It does not have any flexible or damping elements and is used when precise alignment and torque transmission are critical. Rigid couplings are often used in applications where shafts need to maintain a constant alignment, such as in precision machines and systems with high torque requirements.

The choice between an elastic coupling and a rigid coupling depends on the specific requirements of the mechanical system, including the degree of misalignment, vibration levels, torque transmission, and the overall performance objectives.

China Best Sales Gr90 Gr100 Gr140 Red Yellow Shaft Coupling Rubber PU Elastic Buffer  China Best Sales Gr90 Gr100 Gr140 Red Yellow Shaft Coupling Rubber PU Elastic Buffer
editor by CX 2024-05-02

China Standard CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling

Product Description

Product Description

Coupling Deatails

Name: High precision plum blossom
coupling Model: LM-Material: Aviation Aluminum Alloy
Working temperature: -40 ° C ~ 100 ° C
Support customization: Factory direct sales support customization.
Features:
1.Intermediate Elastomer Connection-Absorbs vibration, compensates for radial, angular, and axial 2.misalignment
3.Oil resistance and electrical insulation
4.Clockwise and counterclockwise rotation characteristics are identical-there are 3 different hardness 5.elastomer
6.Fixation by clamping screw.

Model parameter

ΦD

L

LF

LP

F

M

Tightening screw torque

(N.M)

GF-14X22

14

22

14.3

6.6

3.8

M 3

0.7

GF-20X25

20

25

16.7

8.6

4

M 3

0.7

GF-20X30

20

30

19.25

8.6

5.3

M 4

1.7

GF-25X30

25

30

20.82

11.6

5.6

M 4

1.7

GF-25X34

25

34

22.82

11.6

5.6

M 4

1.7

GF-30X35

30

35

23

11.5

5.75

M 4

1.7

GF-30X40

30

40

25.6

11.5

10

M 4

1.7

GF-40X50

40

50

32.1

14.5

10

M 5

4

GF-40X55

40

55

34.5

14.5

10

M 5

4

GF-40X66

40

66

40

14.5

12.75

M 5

4

GF-55X49

55

49

32

16.1

13.5

M 6

8.4

GF-55X78

55

78

46.4

16.1

15.5

M 6

8.4

GF-65X80

65

80

48.5

17.3

18.1

M 8

10.5

GF-65X90

65

90

53.5

17.3

18.1

M 8

10.5

 

Product Parameters

Detailed Photos

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elastic coupling

Maintenance Requirements for Optimal Performance of Elastic Couplings

Maintaining elastic couplings is essential to ensure their optimal performance and longevity. Following these maintenance guidelines can help prevent premature wear and failure:

  • Regular Inspection: Periodically inspect the coupling for signs of wear, such as cracks, deformities, or visible damage. This can help identify issues early and prevent further damage.
  • Lubrication: Some elastic couplings require lubrication to reduce friction and wear. Follow the manufacturer’s recommendations for lubrication intervals and use compatible lubricants.
  • Torque Check: Check the coupling’s torque values to ensure they are within the specified range. This helps maintain proper torque transmission and prevents overloading.
  • Alignment Check: Monitor the alignment of the connected shafts regularly. Misalignment can cause excessive stress on the coupling, leading to premature failure.
  • Vibration Analysis: Perform vibration analysis to identify any abnormal vibrations in the system. Excessive vibrations could indicate coupling or system issues that need attention.
  • Temperature and Environment: Ensure that the coupling operates within the recommended temperature and environmental limits. Extreme conditions can affect the coupling’s material properties and performance.
  • Coupling Wear: Keep track of the coupling’s wear over time. Depending on the application, the coupling might need replacement after a certain period of service.
  • Expert Inspection: If any unusual symptoms or problems arise, consider having the coupling inspected by a qualified technician or engineer to diagnose the issue accurately.

Adhering to these maintenance practices helps extend the service life of elastic couplings, ensures reliable performance, and minimizes unexpected downtime and costly repairs.

elastic coupling

Alternatives to Elastic Couplings for Flexible Connections in Machinery

There are several alternatives to elastic couplings for achieving flexible connections in machinery:

1. Universal Joints: Universal joints, also known as U-joints, are mechanical devices that allow rotational motion between two shafts at different angles. They are suitable for applications with significant misalignment.

2. Cardan Shafts: Cardan shafts consist of a series of universal joints connected in a line, allowing for the transmission of torque and rotation in complex systems.

3. Oldham Couplings: Oldham couplings use sliding disks to transmit torque while accommodating small misalignments. They are suitable for applications where precise positioning is required.

4. Beam Couplings: Beam couplings use a flexible beam to transmit torque and compensate for angular and axial misalignment.

5. Diaphragm Couplings: Diaphragm couplings use thin diaphragms to transmit torque while compensating for misalignment. They are often used in high-performance applications.

6. Gear Couplings: Gear couplings use teethed gears to transmit torque and accommodate misalignment. They are suitable for heavy-duty applications.

7. Chain Couplings: Chain couplings use roller chains to transmit torque and handle misalignment. They are commonly used in low-speed, high-torque applications.

8. Bellows Couplings: Bellows couplings use a bellows-like flexible element to transmit torque while compensating for misalignment.

Each of these alternatives has its own advantages and limitations, and the choice depends on the specific requirements of the application.

elastic coupling

Principles of Torsionally Elastic Couplings

Torsionally elastic couplings, also known as flexible couplings, operate based on the principles of flexibility and torsional elasticity. These couplings are designed to transmit torque while accommodating misalignments, dampening vibrations, and providing protection against shock loads. Here’s how they work:

  • Flexibility: Torsionally elastic couplings are made of materials that can flex or bend to some degree. This flexibility allows them to absorb misalignments between connected shafts, such as angular, parallel, and axial misalignments.
  • Torsional Elasticity: The material properties of the coupling allow it to twist or deform slightly under torque loads. When torque is applied to one end of the coupling, the coupling flexes and twists to transmit torque to the other end while compensating for any misalignments.
  • Vibration Dampening: The torsional elasticity of the coupling helps dampen vibrations that occur due to sudden torque changes or variations in load. This is especially important in applications where smooth operation and reduced vibrations are essential.
  • Shock Load Protection: Torsionally elastic couplings can absorb and mitigate shock loads that might occur during sudden starts, stops, or changes in load. This protection prevents damage to connected equipment and extends the lifespan of machinery.

Overall, torsionally elastic couplings enhance the performance, reliability, and durability of machinery by providing flexibility, dampening vibrations, and protecting against misalignments and shock loads.

China Standard CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling  China Standard CNC Aluminum Elastic Rubber Spider Jaw Shaft Coupler GF14*22 20*25 25*30 40*50 Shaft Flexible Coupling Ball Screw Plum Coupling
editor by CX 2024-04-29

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Product Description


Excellent powder metallurgy parts metallic sintered parts
We could offer various powder metallurgy parts including iron based and copper based with top quality and cheapest price, please only send the drawing or sample to us, we will according to customer’s requirement to make it. if you are interested in our product, please do not hesitate to contact us, we would like to offer the top quality and best service for you. thank you!

How do We Work with Our Clients
1. For a design expert or a big company with your own engineering team: we prefer to receive a fully RFQ pack from you including drawing, 3D model, quantity, pictures;

2. For a start-up company owner or green hand for engineering: just send an idea that you want to try, you don’t even need to know what casting is;

3. Our sales will reply you within 24 hours to confirm further details and give the estimated quote time;

4. Our engineering team will evaluate your inquiry and provide our offer within next 1~3 working days.

5. We can arrange a technical communication meeting with you and our engineers together anytime if required.

Place of origin: Jangsu,China
Type: Powder metallurgy sintering
Spare parts type: Powder metallurgy parts
Machinery Test report: Provided
Material: Iron,stainless,steel,copper
Key selling points: Quality assurance
Mould type: Tungsten steel
Material standard: MPIF 35,DIN 3571,JIS Z 2550
Application: Small home appliances,Lockset,Electric tool, automobile,
Brand Name: OEM SERVICE
Plating: Customized
After-sales Service: Online support
Processing: Powder Metallurgr,CNC Machining
Powder Metallurgr: High frequency quenching, oil immersion
Quality Control: 100% inspection

The Advantage of Powder Metallurgy Process

1. Cost effective
The final products can be compacted with powder metallurgy method ,and no need or can shorten the processing of machine .It can save material greatly and reduce the production cost .

2. Complex shapes
Powder metallurgy allows to obtain complex shapes directly from the compacting tooling ,without any machining operation ,like teeth ,splines ,profiles ,frontal geometries etc.

3. High precision
Achievable tolerances in the perpendicular direction of compacting are typically IT 8-9 as sintered,improvable up to IT 5-7 after sizing .Additional machining operations can improve the precision .

4. Self-lubrication
The interconnected porosity of the material can be filled with oils ,obtaining then a self-lubricating bearing :the oil provides constant lubrication between bearing and shaft ,and the system does not need any additional external lubricant .

5. Green technology
The manufacturing process of sintered components is certified as ecological ,because the material waste is very low ,the product is recyclable ,and the energy efficiency is good because the material is not molten. 

FAQ
Q1: What is the type of payment?
A: Usually you should prepay 50% of the total amount. The balance should be pay off before shipment.

Q2: How to guarantee the high quality?
A: 100% inspection. We have Carl Zeiss high-precision testing equipment and testing department to make sure every product of size,appearance and pressure test are good. 

Q3: How long will you give me the reply?
A: we will contact you in 12 hours as soon as we can.

Q4. How about your delivery time?
A: Generally, it will take 25 to 35 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order. and if the item was non standard, we have to consider extra 10-15days for tooling/mould made.

Q5. Can you produce according to the samples or drawings?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q6: How about tooling Charge?
A: Tooling charge only charge once when first order, all future orders would not charge again even tooling repair or under maintance.

Q7: What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.

Q8: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
    2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
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elastic coupling

Real-World Applications of Elastic Couplings

Elastic couplings find extensive use in various industries and applications where the reduction of vibration and shock is critical for performance, efficiency, and equipment longevity. Here are some examples:

  • Industrial Machinery: Elastic couplings are commonly employed in industrial machinery such as pumps, compressors, conveyors, and generators. They help minimize vibration and shock, ensuring smooth and reliable operation while protecting sensitive components.
  • Automotive Industry: In automotive applications, elastic couplings are used in drivetrains to dampen vibrations and shocks between the engine and the transmission. This enhances driving comfort, reduces noise, and prevents excessive wear on connected components.
  • Power Generation: Power generation equipment, including turbines and generators, benefits from elastic couplings that absorb torsional vibrations and shocks. This aids in maintaining stable power output and extending the lifespan of critical components.
  • Printing and Packaging: Printing presses and packaging machinery rely on elastic couplings to reduce vibrations during high-speed operations. This ensures precise printing and packaging while preventing damage to sensitive components.
  • Robotics and Automation: Elastic couplings are crucial in robotics and automation systems to mitigate vibrations and shocks that can affect accuracy and reliability. They enable precise movement control and consistent performance.
  • Medical Equipment: Medical devices such as MRI machines and X-ray equipment utilize elastic couplings to minimize vibrations that could impact image quality and precision during medical procedures.

These examples highlight how elastic couplings contribute to optimal performance, reduced maintenance, and increased equipment lifespan across diverse industries.

elastic coupling

Maintaining the Longevity of Elastic Couplings

Ensuring the longevity and optimal performance of elastic couplings requires proper maintenance and care. Here are some key considerations:

  • Regular Inspection: Periodically inspect the coupling for signs of wear, damage, or misalignment. Look for cracks, tears, or other deformations in the elastic elements.
  • Lubrication: Some elastic couplings require lubrication for smooth operation. Follow the manufacturer’s guidelines on lubrication intervals and recommended lubricants.
  • Environmental Conditions: Consider the operating environment of the coupling. Extreme temperatures, chemicals, moisture, and other factors can affect the coupling’s lifespan. Choose materials and designs suitable for the specific conditions.
  • Proper Alignment: Ensure that the connected components are properly aligned to minimize excessive stress on the coupling. Misalignment can accelerate wear and reduce performance.
  • Load Capacity: Do not exceed the coupling’s recommended torque and load ratings. Overloading the coupling can lead to premature failure.
  • Shock and Vibration: If the system experiences frequent shock or vibration, consider using dampening or vibration-absorbing components to reduce the stress on the coupling.
  • Replacement: When signs of wear or damage become noticeable, promptly replace the coupling to avoid further issues. Delaying replacement can lead to more significant problems in the machinery system.
  • Follow Manufacturer Guidelines: Always follow the manufacturer’s recommendations for installation, operation, and maintenance of the specific coupling model.

By adhering to these considerations and performing regular maintenance tasks, engineers can extend the lifespan of elastic couplings and ensure reliable and efficient operation in various machinery applications.

elastic coupling

Types of Elastic Couplings for Specific Applications

There are various types of elastic couplings available, each designed to suit specific industrial applications:

  • Flexible Jaw Couplings: These couplings use an elastomeric element to transmit torque and accommodate misalignment. They are commonly used in applications where shock absorption and vibration damping are important, such as pumps, compressors, and conveyor systems.
  • Diaphragm Couplings: Diaphragm couplings use thin metal diaphragms to transmit torque while allowing for angular, axial, and radial misalignment. They are often used in high-performance applications where precise motion transmission is required, such as in robotics, precision machinery, and aerospace systems.
  • Torsional Couplings: Torsional couplings are designed to handle high torque loads and are commonly used in heavy-duty applications, including industrial machinery, mining equipment, and large pumps.
  • Disc Couplings: Disc couplings use multiple thin metal discs to transmit torque and accommodate misalignment. They are suitable for applications requiring high torque transmission and precise motion control, such as turbines, generators, and high-speed machinery.
  • Beam Couplings: Beam couplings use helical cuts in a flexible beam to provide torsional flexibility and misalignment compensation. They are used in applications that require moderate torque transmission and misalignment accommodation, such as stepper motors and motion control systems.
  • Oldham Couplings: Oldham couplings use three disks to transmit torque while allowing for axial misalignment. They are commonly used in applications that require accurate motion transmission, such as linear actuators and CNC machinery.

The choice of the right type of elastic coupling depends on factors such as the application’s torque requirements, speed, misalignment characteristics, and specific performance needs.

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editor by CX 2024-04-29