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China GDK-Coupling Seal 240h Type Hydraulic Coupling for Excavator coupling coefficient

Solution Description

GDK-Coupling Seal 240H Sort Hydraulic Coupling For Excavator 
 

Source Ability
                                                                                                                

Source Ablility:50000PCS/Month

Packaging & Delivery
                                                                                                                                                

Packaging Details

Interior is corrugated paper with movie shrinkable. outer is carton with film wrapped.

Port: HangZhou, China

Lead Time :

Quantity(Parts) 1 – ten thousand >10000
Est. Time(times) fifteen To be negotiated

More Information

                                                                                                                                                
Q1. What is your terms of packing?
A: Generally, we pack our products in neutral white bins and brown cartons. If you have lawfully registered patent, 
we can pack the merchandise in your branded packing containers following receiving your authorization letters.

Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% just before shipping. We’ll display you the pictures of the products and packages 
prior to you shell out the balance.

Q3. What is your terms of delivery?
A: EXW

This autumn. How about your shipping time?
1) 1-2 days if merchandise in inventory.
2) ten-20 days if merchandise out of stock with molding.
3) 25-35 times if products out of stock with out molding.

Q5. Can you make according to the samples?
A: Of course, we can generate by your samples or technical drawings. We can create the molds and fixtures.

Q6. What is your sample plan?
A: We can supply the sample if we have ready parts in stock, but the buyers have to pay out the sample cost and 
the courier cost.

Q7. Do you check all your merchandise before shipping and delivery?
A: Sure, we have 100% check just before shipping

Q8: How do you make our organization prolonged-time period and good partnership?
A:1. We preserve very good good quality and aggressive price to make sure our consumers advantage
two. We respect every single client as our pal and we sincerely do company and make pals with them, 
no issue in which they appear from.

Particular get: Need for other dimensions or content,please contact us for further dialogue about new CZPT and cost.

US $1.99-8.99
/ Piece
|
10 Pieces

(Min. Order)

###

Structure: Single End
Pressure: High Pressure Mechanical Seals
Speed: General Speed Mechanical Seal
Temperature: Temperature Mechanical Seal
Performance: Temperature
Standard: Standard

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Quantity(Pieces) 1 – 10000 >10000
Est. Time(days) 15 To be negotiated
US $1.99-8.99
/ Piece
|
10 Pieces

(Min. Order)

###

Structure: Single End
Pressure: High Pressure Mechanical Seals
Speed: General Speed Mechanical Seal
Temperature: Temperature Mechanical Seal
Performance: Temperature
Standard: Standard

###

Samples:
US$ 0/Piece
1 Piece(Min.Order)

|
Request Sample

###

Customization:

###

Quantity(Pieces) 1 – 10000 >10000
Est. Time(days) 15 To be negotiated

What Is a Coupling?

A coupling is a mechanical device that links two shafts together and transmits power. Its purpose is to join rotating equipment while permitting a small amount of misalignment or end movement. Couplings come in a variety of different types and are used in a variety of applications. They can be used in hydraulics, pneumatics, and many other industries.
gearbox

Types

Coupling is a term used to describe a relationship between different modules. When a module depends on another, it can have different types of coupling. Common coupling occurs when modules share certain overall constraints. When this type of coupling occurs, any changes to the common constraint will also affect the other modules. Common coupling has its advantages and disadvantages. It is difficult to maintain and provides less control over the modules than other types of coupling.
There are many types of coupling, including meshing tooth couplings, pin and bush couplings, and spline couplings. It is important to choose the right coupling type for your specific application to get maximum uptime and long-term reliability. Listed below are the differences between these coupling types.
Rigid couplings have no flexibility, and require good alignment of the shafts and support bearings. They are often used in applications where high torque is required, such as in push-pull machines. These couplings are also useful in applications where the shafts are firmly attached to one another.
Another type of coupling is the split muff coupling. This type is made of cast iron and has two threaded holes. The coupling halves are attached with bolts or studs.
gearbox

Applications

The coupling function is an incredibly versatile mathematical tool that can be used in many different scientific domains. These applications range from physics and mathematics to biology, chemistry, cardio-respiratory physiology, climate science, and electrical engineering. The coupling function can also help to predict the transition from one state to another, as well as describing the functional contributions of subsystems in the system. In some cases, it can even be used to reveal the mechanisms that underlie the functionality of interactions.
The coupling selection process begins with considering the intended use of the coupling. The application parameters must be determined, as well as the operating conditions. For example, if the coupling is required to be used for power transmission, the design engineer should consider how easily the coupling can be installed and serviced. This step is vital because improper installation can result in a more severe misalignment than is specified. Additionally, the coupling must be inspected regularly to ensure that the design parameters remain consistent and that no detrimental factors develop.
Choosing the right coupling for your application is an important process, but it need not be difficult. To find the right coupling, you must consider the type of machine and environment, as well as the torque, rpm, and inertia of the system. By answering these questions, you will be able to select the best coupling for your specific application.
gearbox

Problems

A coupling is a device that connects two rotating shafts to transfer torque and rotary motion. To achieve optimal performance, a coupling must be designed for the application requirements it serves. These requirements include service, environmental, and use parameters. Otherwise, it can prematurely fail, causing inconvenience and financial loss.
In order to prevent premature failure, couplings should be properly installed and maintained. A good practice is to refer to the specifications provided by the manufacturer. Moreover, it is important to perform periodic tests to evaluate the effectiveness of the coupling. The testing of couplings should be performed by qualified personnel.
China GDK-Coupling Seal 240h Type Hydraulic Coupling for Excavator     coupling coefficientChina GDK-Coupling Seal 240h Type Hydraulic Coupling for Excavator     coupling coefficient
editor by czh 2023-01-15

China Best Sales Lsq-Isoa Close Type Hydraulic Quick CZPT (STEEL) (NEW) with high quality

Merchandise Description

Descripton

LSQ-ISOA Close Type HYDRAULIC Swift COUPLING(Steel)(NEW)
Apps
:
The LSQ-ISOA Collection bring to the market a established design and style for use on design gear, forestry gear, agricultural machinery, oil resources, oil products steel mill equipment, and other demanding hydraulic purposes.
Technical specs:

LSQ-ISOA Sequence couplings function:
·New valve style, it can resistance hurt from high movement and the stress of impulse that providing  advanced performance.
·Poppet valves obtainable to avoid uncoupled leakage.
·Poppet valves open routinely when coupled, inside of rated doing work strain, to keep the stream expeditely.
·Critical areas are hardened for longevity.
·Dependable ball-locking system holds the mating halves collectively.
·Socket and plug are precision machined from reliable bar inventory.
·New Chrome plating therapy supplies innovative anti-rust efficiency
·LSQ-ISOA collection conforms to the common of ISO 7241-A
·Compatible with CZPT 6600 Sequence,More rapidly ANV Collection, AEROQUIP 5600 Series and CZPT HA 15000 Sequence

Body Size(in) 1/4 3/8 1/2 3/4 1
Rated Pressure(PSI) 5000 4000 4000 3000 3000
Rated Flow(GPM) 3 6 12 28 50
Temperature Range(std seals) -20ºCto+120ºC
Standard seal material  NBR 

###

ISO PARTNO. LS ΦD HEX1 A T
6.3 LSQ-ISOA-02SF 50 Φ26 19 13 G1/4 NPT1/4
10 LSQ-ISOA-03SF 57.1 Φ31.5 22 16 G3/8 NPT3/8
12.5 LSQ-ISOA-04SF 66 Φ38.5 27 18 G1/2 NPT1/2
20 LSQ-ISOA-06SF 82.5 Φ48 34 20.5 G3/4 NPT3/4
25 LSQ-ISOA-08SF 100 Φ58 41 20.5 G1 NPT1

###

ISO PARTNO. LP d C HEX2 A T
6.3 LSQ-ISOA-02PF 38.5 11.8 15 19 13 G1/4 NPT1/4
10 LSQ-ISOA-03PF 39 17.3 19 22 16 G3/8 NPT3/8
12.5 LSQ-ISOA-04PF 44 20.5 29 27 18 G1/2 NPT1/2
20 LSQ-ISOA-06PF 55 29 29 34 20.5 G3/4 NPT3/4
25 LSQ-ISOA-08PF 66 34.3 35 41 20.5 G1 NPT1

###

ISO PARTNO. L ¢D HEX1 HEX2 T
6.3 LSQ-ISOA-02 74.2 Φ26 19 19 G1/4 NPT1/4
10 LSQ-ISOA-03 78.5 Φ31.5 22 22 G3/8 NPT3/8
12.5 LSQ-ISOA-04 88.2 Φ38.5 27 27 G1/2 NPT1/2
20 LSQ-ISOA-06 110.4 Φ48 34 34 G3/4 NPT3/4
25 LSQ-ISOA-08 132.9 Φ56 41 41 G1 NPT1
Body Size(in) 1/4 3/8 1/2 3/4 1
Rated Pressure(PSI) 5000 4000 4000 3000 3000
Rated Flow(GPM) 3 6 12 28 50
Temperature Range(std seals) -20ºCto+120ºC
Standard seal material  NBR 

###

ISO PARTNO. LS ΦD HEX1 A T
6.3 LSQ-ISOA-02SF 50 Φ26 19 13 G1/4 NPT1/4
10 LSQ-ISOA-03SF 57.1 Φ31.5 22 16 G3/8 NPT3/8
12.5 LSQ-ISOA-04SF 66 Φ38.5 27 18 G1/2 NPT1/2
20 LSQ-ISOA-06SF 82.5 Φ48 34 20.5 G3/4 NPT3/4
25 LSQ-ISOA-08SF 100 Φ58 41 20.5 G1 NPT1

###

ISO PARTNO. LP d C HEX2 A T
6.3 LSQ-ISOA-02PF 38.5 11.8 15 19 13 G1/4 NPT1/4
10 LSQ-ISOA-03PF 39 17.3 19 22 16 G3/8 NPT3/8
12.5 LSQ-ISOA-04PF 44 20.5 29 27 18 G1/2 NPT1/2
20 LSQ-ISOA-06PF 55 29 29 34 20.5 G3/4 NPT3/4
25 LSQ-ISOA-08PF 66 34.3 35 41 20.5 G1 NPT1

###

ISO PARTNO. L ¢D HEX1 HEX2 T
6.3 LSQ-ISOA-02 74.2 Φ26 19 19 G1/4 NPT1/4
10 LSQ-ISOA-03 78.5 Φ31.5 22 22 G3/8 NPT3/8
12.5 LSQ-ISOA-04 88.2 Φ38.5 27 27 G1/2 NPT1/2
20 LSQ-ISOA-06 110.4 Φ48 34 34 G3/4 NPT3/4
25 LSQ-ISOA-08 132.9 Φ56 41 41 G1 NPT1

Types of Splines

There are four types of splines: Involute, Parallel key, helical, and ball. Learn about their characteristics. And, if you’re not sure what they are, you can always request a quotation. These splines are commonly used for building special machinery, repair jobs, and other applications. The CZPT Manufacturing Company manufactures these shafts. It is a specialty manufacturer and we welcome your business.
splineshaft

Involute splines

The involute spline provides a more rigid and durable structure, and is available in a variety of diameters and spline counts. Generally, steel, carbon steel, or titanium are used as raw materials. Other materials, such as carbon fiber, may be suitable. However, titanium can be difficult to produce, so some manufacturers make splines using other constituents.
When splines are used in shafts, they prevent parts from separating during operation. These features make them an ideal choice for securing mechanical assemblies. Splines with inward-curving grooves do not have sharp corners and are therefore less likely to break or separate while they are in operation. These properties help them to withstand high-speed operations, such as braking, accelerating, and reversing.
A male spline is fitted with an externally-oriented face, and a female spline is inserted through the center. The teeth of the male spline typically have chamfered tips to provide clearance with the transition area. The radii and width of the teeth of a male spline are typically larger than those of a female spline. These specifications are specified in ANSI or DIN design manuals.
The effective tooth thickness of a spline depends on the involute profile error and the lead error. Also, the spacing of the spline teeth and keyways can affect the effective tooth thickness. Involute splines in a splined shaft are designed so that at least 25 percent of the spline teeth engage during coupling, which results in a uniform distribution of load and wear on the spline.

Parallel key splines

A parallel splined shaft has a helix of equal-sized grooves around its circumference. These grooves are generally parallel or involute. Splines minimize stress concentrations in stationary joints and allow linear and rotary motion. Splines may be cut or cold-rolled. Cold-rolled splines have more strength than cut spines and are often used in applications that require high strength, accuracy, and a smooth surface.
A parallel key splined shaft features grooves and keys that are parallel to the axis of the shaft. This design is best suited for applications where load bearing is a primary concern and a smooth motion is needed. A parallel key splined shaft can be made from alloy steels, which are iron-based alloys that may also contain chromium, nickel, molybdenum, copper, or other alloying materials.
A splined shaft can be used to transmit torque and provide anti-rotation when operating as a linear guide. These shafts have square profiles that match up with grooves in a mating piece and transmit torque and rotation. They can also be easily changed in length, and are commonly used in aerospace. Its reliability and fatigue life make it an excellent choice for many applications.
The main difference between a parallel key splined shaft and a keyed shaft is that the former offers more flexibility. They lack slots, which reduce torque-transmitting capacity. Splines offer equal load distribution along the gear teeth, which translates into a longer fatigue life for the shaft. In agricultural applications, shaft life is essential. Agricultural equipment, for example, requires the ability to function at high speeds for extended periods of time.
splineshaft

Involute helical splines

Involute splines are a common design for splined shafts. They are the most commonly used type of splined shaft and feature equal spacing among their teeth. The teeth of this design are also shorter than those of the parallel spline shaft, reducing stress concentration. These splines can be used to transmit power to floating or permanently fixed gears, and reduce stress concentrations in the stationary joint. Involute splines are the most common type of splined shaft, and are widely used for a variety of applications in automotive, machine tools, and more.
Involute helical spline shafts are ideal for applications involving axial motion and rotation. They allow for face coupling engagement and disengagement. This design also allows for a larger diameter than a parallel spline shaft. The result is a highly efficient gearbox. Besides being durable, splines can also be used for other applications involving torque and energy transfer.
A new statistical model can be used to determine the number of teeth that engage for a given load. These splines are characterized by a tight fit at the major diameters, thereby transferring concentricity from the shaft to the female spline. A male spline has chamfered tips for clearance with the transition area. ANSI and DIN design manuals specify the different classes of fit.
The design of involute helical splines is similar to that of gears, and their ridges or teeth are matched with the corresponding grooves in a mating piece. It enables torque and rotation to be transferred to a mate piece while maintaining alignment of the two components. Different types of splines are used in different applications. Different splines can have different levels of tooth height.

Involute ball splines

When splines are used, they allow the shaft and hub to engage evenly over the shaft’s entire circumference. Because the teeth are evenly spaced, the load that they can transfer is uniform and their position is always the same regardless of shaft length. Whether the shaft is used to transmit torque or to transmit power, splines are a great choice. They provide maximum strength and allow for linear or rotary motion.
There are three basic types of splines: helical, crown, and ball. Crown splines feature equally spaced grooves. Crown splines feature involute sides and parallel sides. Helical splines use involute teeth and are often used in small diameter shafts. Ball splines contain a ball bearing inside the splined shaft to facilitate rotary motion and minimize stress concentration in stationary joints.
The two types of splines are classified under the ANSI classes of fit. Fillet root splines have teeth that mesh along the longitudinal axis of rotation. Flat root splines have similar teeth, but are intended to optimize strength for short-term use. Both types of splines are important for ensuring the shaft aligns properly and is not misaligned.
The friction coefficient of the hub is a complex process. When the hub is off-center, the center moves in predictable but irregular motion. Moreover, when the shaft is centered, the center may oscillate between being centered and being off-center. To compensate for this, the torque must be adequate to keep the shaft in its axis during all rotation angles. While straight-sided splines provide similar centering, they have lower misalignment load factors.
splineshaft

Keyed shafts

Essentially, splined shafts have teeth or ridges that fit together to transfer torque. Because splines are not as tall as involute gears, they offer uniform torque transfer. Additionally, they provide the opportunity for torque and rotational changes and improve wear resistance. In addition to their durability, splined shafts are popular in the aerospace industry and provide increased reliability and fatigue life.
Keyed shafts are available in different materials, lengths, and diameters. When used in high-power drive applications, they offer higher torque and rotational speeds. The higher torque they produce helps them deliver power to the gearbox. However, they are not as durable as splined shafts, which is why the latter is usually preferred in these applications. And while they’re more expensive, they’re equally effective when it comes to torque delivery.
Parallel keyed shafts have separate profiles and ridges and are used in applications requiring accuracy and precision. Keyed shafts with rolled splines are 35% stronger than cut splines and are used where precision is essential. These splines also have a smooth finish, which can make them a good choice for precision applications. They also work well with gears and other mechanical systems that require accurate torque transfer.
Carbon steel is another material used for splined shafts. Carbon steel is known for its malleability, and its shallow carbon content helps create reliable motion. However, if you’re looking for something more durable, consider ferrous steel. This type contains metals such as nickel, chromium, and molybdenum. And it’s important to remember that carbon steel is not the only material to consider.