Product Description
Application:
NJ31 series rubber shock absorber for asphalt roller/compactor /Vibratory Pile Hammer/breaker /Concrete Truck Mixer can be varies with many brand, Please send us your requirements, or brand and model of your machinery, we will be glad to give the help to find the suitable rubber shock absorber for you.
Compatible brand
XCMG SANY VOLVO LIUGONG BOMAG XGMA SHXIHU (WEST LAKE) DIS.I HAMM Dynapac roller parts
KOTAI CATERPILLIAR LUTONG SINOMACH-HI XIHU (WEST LAKE) DIS.N LUTONG Lonking Junma heavy Wacker Neuson SAKAI SDLG YISHAN heavy
Our Advantages
All the brand and models listed are just for reference, it does not mean our products are just fit for these models, our strength is D&R, if you have any probelm with rubber products, please contact us with no hesitate, our specialist team in the field of polymer materials with 40 years of professional experience ,will help you to conquer all the problems. OEM,ODM are also available, just send us the products’ size drawing,and your detail requirements.
OEM ODM services are available by buyers’ requests.
Sample availability: Available at buyer’s cost and freight
Product Description
| Factory name | HangZhou CHINAMFG POLYMER TECHNOLOGY CO.,LTD |
| Certification | ISO9001 |
| Factory history | 14 years |
| Forming | Rubber and steel plates are pressurized under high temperature vulcanization to make sure the composition is evenly stabilized for the best performance. |
| Main products | Rubber Track, Rubber Pad, rubber shock absorber |
| Materials | rubber, Poly, steel plate |
| Application range | Industrial Machinery, construction machinery, heavy machinery, motor stand, central air-conditioning external unit etc. |
| Packing | Standard packings or as your requirements |
| Delivery date | 7-30 days (according to your order quantity) |
| Delivery port | ZheJiang Port |
| Price terms | EXW, FOB ,CIF, CNF, |
| Payment | T/T, L/C, Western Union, PAYPAL, |
| OEM and ODM are highly welcomed,customzation is our strength | |
Company Profile
QUICKPADS is dedicated to solve noise and vibration problems in road protection and industry field; concentrated on research& development and
manufacturing of super wear-resistance, high-strength elastomer, as well as elastomer-metal composite products.
A expert team in the field of polymer materials with 40 years of professional experience.
QUICKPADS founded in 2004, officially registered as CHINAMFG Manufacturing Company in 2007, and established CHINAMFG Polymer Technology Co., Ltd. in 2014.
In 16 years of innovation, CHINAMFG has reached the leading level of this field. With mature production technology and rich industry experience, QUICKPADS’ products have been favored by customers at home and abroad!
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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.
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.
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.
editor by CX 2024-04-24
China OEM Rubber Coupling for Machinery Rubber-Metal Coupling Metal Elastic Parts
Product Description
Application:
NJ31 series rubber shock absorber for asphalt roller/compactor /Vibratory Pile Hammer/breaker /Concrete Truck Mixer can be varies with many brand, Please send us your requirements, or brand and model of your machinery, we will be glad to give the help to find the suitable rubber shock absorber for you.
Compatible brand
XCMG SANY VOLVO LIUGONG BOMAG XGMA SHXIHU (WEST LAKE) DIS.I HAMM Dynapac roller parts
KOTAI CATERPILLIAR LUTONG SINOMACH-HI XIHU (WEST LAKE) DIS.N LUTONG Lonking Junma heavy Wacker Neuson SAKAI SDLG YISHAN heavy
Our Advantages
All the brand and models listed are just for reference, it does not mean our products are just fit for these models, our strength is D&R, if you have any probelm with rubber products, please contact us with no hesitate, our specialist team in the field of polymer materials with 40 years of professional experience ,will help you to conquer all the problems. OEM,ODM are also available, just send us the products’ size drawing,and your detail requirements.
OEM ODM services are available by buyers’ requests.
Sample availability: Available at buyer’s cost and freight
Product Description
| Factory name | HangZhou CZPT POLYMER TECHNOLOGY CO.,LTD |
| Certification | ISO9001 |
| Factory history | 14 years |
| Forming | Rubber and steel plates are pressurized under high temperature vulcanization to make sure the composition is evenly stabilized for the best performance. |
| Main products | Rubber Track, Rubber Pad, rubber shock absorber |
| Materials | rubber, Poly, steel plate |
| Application range | Industrial Machinery, construction machinery, heavy machinery, motor stand, central air-conditioning external unit etc. |
| Packing | Standard packings or as your requirements |
| Delivery date | 7-30 days (according to your order quantity) |
| Delivery port | ZheJiang Port |
| Price terms | EXW, FOB ,CIF, CNF, |
| Payment | T/T, L/C, Western Union, PAYPAL, |
| OEM and ODM are highly welcomed,customzation is our strength | |
Company Profile
QUICKPADS is dedicated to solve noise and vibration problems in road protection and industry field; concentrated on research& development and
manufacturing of super wear-resistance, high-strength elastomer, as well as elastomer-metal composite products.
A expert team in the field of polymer materials with 40 years of professional experience.
QUICKPADS founded in 2004, officially registered as CZPT Manufacturing Company in 2007, and established CZPT Polymer Technology Co., Ltd. in 2014.
In 16 years of innovation, CZPT has reached the leading level of this field. With mature production technology and rich industry experience, QUICKPADS’ products have been favored by customers at home and abroad!
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.
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.
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.
editor by CX 2023-09-13
China best Hydraulic Machinery Steel High Rotations Speed Flexible Element Length Extending Motor Disc Coupling for Power Transmission coupling bushing
Product Description
hydraulic machinery steel High rotations speed flexible element length extending motor disc coupling for power transmission
DISC Couplings
Advantage:
1. Widely used in various mechanical and hydraulic fields
2. Low-cost maintenance
3. Compensation for axial, radial and angular misalignment
4. Convenient axial plugging assembly
5. Installed horizontally and vertically without using any social tools.
6. Excellent mechanical properties
7. No brittlement at low temperature
8. Good slippery and frictional properties
9. Exellent electrical insulation
Application:
1. Printing machinery / Packing machinery / Wood-working machinery etc large-scale mechanical equipment
2. Repair replacement
Company Information:
| Standard Or Nonstandard: | Nonstandard |
|---|---|
| Shaft Hole: | 19-32 |
| Torque: | <10N.M |
| Bore Diameter: | 19mm |
| Speed: | 8000r/M |
| Structure: | Rigid |
| Samples: |
US$ 999/Piece
1 Piece(Min.Order) | |
|---|
Programming With Couplings
A coupling is a mechanical device that connects two shafts together and transmits power. Its purpose is to join rotating equipment and allows some degree of end-movement or misalignment. There are many different types of couplings. It’s important to choose the right one for your application.
Mechanical connection between two shafts
There are many ways to achieve mechanical connection between two shafts, including the use of a coupling. One common type is the beam coupling, which is also known as a helical coupling. It is used for transmission of torque between two shafts. This type of connection accommodates axial, parallel and angular misalignments.
The hubs and shafts of a worm gear are connected together by a coupling. This mechanical connection allows one shaft to turn another without causing a mechanical failure. This type of coupling is made from sliding or rubbing parts to transfer torque. However, the coupling is not designed to withstand jerks, so it isn’t suitable for high-speed applications.
The use of a coupling is common in machinery and equipment. It helps transmit power from one drive shaft to the other, while adding mechanical flexibility. It is also useful for reducing the impact and vibration caused by misalignment. It also protects the drive shaft components from wear and tear.
A double-hook coupling can be used to provide a uniform angular velocity at the driven shaft. Another example is a double-jointed coupling. A double-jointed coupling can be used to connect shafts that are not directly intersecting. The double-jointed yoke can be used for the same purpose.
A shaft coupling is a device that maintains a strong mechanical connection between two shafts. It transfers motion from one shaft to another, at all loads and misalignments. Unlike a conventional linkage, a shaft coupling isn’t designed to allow relative motion between the two shafts. Couplings often serve several purposes in a machine, but their primary use is torque and power transmission.
Functions that control the flow of another function
One of the simplest programming constructs is a function that controls the flow of another function. A function can take an argument and return a different value, but it must be ready to return before it can pass that value to another function. To do this, you can use the goto statement and the if statement. Another way to control flow is to use a conditional statement.
Criteria for selecting a coupling
There are several important factors to consider when choosing the right coupling. One of the most important factors is coupling stiffness, which depends on the material used and the shape. The stiffness of a coupling determines its ability to resist elastic deformation. A stiff coupling is desirable for certain types of applications, but it’s undesirable for others. Stiffness can reduce the performance of a system if there’s too much inertia. To avoid this, ensure that the coupling you choose is within the recommended limits.
The size of a coupling is also important. Different coupling types can accommodate different shaft sizes and shapes. Some couplings have special features, such as braking and shear pin protection. When choosing a coupling, you should also consider the type of driven equipment. If you need to connect a high-torque motor, for example, you’ll want to choose a gear coupling. Likewise, a high-speed machine may require a disc coupling.
Another factor to consider when selecting a coupling is the torque rating. Despite its importance, it’s often underestimated. The torque rating is defined as the torque of the coupling divided by its OD. In some cases, torque may fluctuate during a cycle, requiring a coupling with a higher torque rating.
Torsionally flexible couplings are also important to consider. Their design should be able to withstand the torque required during operation, as well as the required speed. The coupling should also have a high degree of torsional stiffness, as well as damping. Furthermore, a damping coupling can reduce the energy wasted through vibration.
The sizing of a coupling is also determined by the torque. Many engineers use torque to select the correct coupling size, but they also take into consideration torsional flexibility and torsional stiffness. For example, a shaft may be able to handle large torque without damaging the coupling, while a disk may be unable to handle large amounts of torque.
Besides torque, another important consideration in coupling selection is the cost. While a coupling may be cheaper, it may be less reliable or easier to maintain. Couplings that are difficult to service may not last as long. They may also require frequent maintenance. If that’s the case, consider purchasing a coupling with a low service factor.
There are many different types of couplings. Some require additional lubrication throughout their lifetime, while others are 100% lubrication-free. An example of a 100% lubrication-free coupling is the RBI flexible coupling from CZPT. This type of coupling can significantly reduce your total cost of ownership.
In addition to the above-mentioned benefits, elastomeric couplings are low-cost and need little maintenance. While they are often cheaper than metallic couplings, they also have excellent shock absorption and vibration dampening properties. However, they are susceptible to high temperatures. Also, they are difficult to balance as an assembly, and have limited overload torque capacity.
editor by CX 2023-06-09