Product Description
Custom CNC Turning Machining Spline Shaft Couplings Steering Shaft Coupler Oldham Coupling
Product Description
Coupling refers to a device that connects 2 shafts or shafts and rotating parts, rotates together during the transmission of motion and power, and does not disengage under normal conditions. Sometimes it is also used
as a safety device to prevent the connected parts from bearing excessive load, which plays the role of overload protection.
Couplings can be divided into rigid couplings and flexible couplings. Rigid couplings do not have buffering property and the ability to compensate the relative displacement of 2 axes. It is required that the 2 axes be strictly aligned. However, such couplings are simple in structure, low in manufacturing cost, convenient in assembly and disassembly, and maintenance, which can ensure that the 2 axes are relatively neutral, have large transmission torque, and are widely used. Commonly used are flange coupling, sleeve coupling and jacket coupling.
Flexible coupling can also be divided into flexible coupling without elastic element and flexible coupling with elastic element. The former type only has the ability to compensate the relative displacement of 2 axes, but cannot cushion and reduce vibration. Common types include slider coupling, gear coupling, universal coupling and chain coupling; The latter type contains elastic elements. In addition to the ability to compensate the relative displacement of 2 axes, it also has the functions of buffering and vibration reduction.
Our leading mainly including universal couplings, drum gear couplings, elastic couplings etc.
Main production equipments:
Large lathe, surface grinder, milling machine, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, etc.
| Product Name | Custom CNC Turning Machining Spline Shaft Couplings Steering Shaft Coupler Oldham Coupling |
| Place of Origin | China |
| Certificates | SGS, ISO9001:2008 |
Coupling performance
1) Mobility. The movability of the coupling refers to the ability to compensate the relative displacement of 2 rotating components. Factors such as manufacturing and installation errors between connected components, temperature changes during operation and deformation under load all put CHINAMFG requirements for mobility. The movable performance compensates or alleviates the additional load between shafts, bearings, couplings and other components caused by the relative displacement between rotating components.
(2) Buffering. For the occasions where the load is often started or the working load changes, the coupling shall be equipped with elastic elements that play the role of cushioning and vibration reduction to protect the prime mover and the working machine from little or no damage.
(3) Safe, reliable, with sufficient strength and service life.
(4) Simple structure, easy to assemble, disassemble and maintain.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector etc.
It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
How to select the appropriate coupling type
The following items should be considered when selecting the coupling type.
1. The size and nature of the required transmission torque, the requirements for buffering and damping functions, and whether resonance may occur.
2. The relative displacement of the axes of the 2 shafts is caused by manufacturing and assembly errors, shaft load and thermal expansion deformation, and relative movement between components.
3. Permissible overall dimensions and installation methods, and necessary operating space for assembly, adjustment and maintenance. For large couplings, they should be able to be disassembled without axial movement of the shaft.
In addition, the working environment, service life, lubrication, sealing, economy and other conditions should also be considered, and a suitable coupling type should be selected by referring to the characteristics of various couplings.
If you cannot determine the type, you can contact our professional engineer.
FAQ
Q: Why choose Shengao product?
A: We have our own factory, therefore, we can surely promise the quality of product and provide
you competitive price.
Q: Do you provide OEM Service?
A: Yes, we provide OEM Service.
Q: Do you provide customized machining parts?
A: Yes. Customers give us drawings and specifications, and we will produce accordingly.
Q: What is your payment term?
A: We provide kinds of payment terms such as L/C, T/T, Paypal, Escrow, etc.
If there’s anything we can help, please feel free to contact with us.
How to identify the most suitable mechanical coupling for a specific application?
Choosing the right mechanical coupling for a specific application requires careful consideration of various factors. Here are the steps to help identify the most suitable coupling:
1. Understand Application Requirements:
Begin by thoroughly understanding the requirements of the application. Consider factors such as torque and speed requirements, misalignment allowances, space constraints, environmental conditions, and any specific industry standards.
2. Evaluate Shaft Misalignment:
Determine the type and amount of misalignment expected between the connected shafts. If significant misalignment is anticipated, flexible couplings may be more appropriate.
3. Consider Torque and Power Transmission:
Calculate the torque and power that the coupling will need to transmit between the shafts. Ensure that the selected coupling can handle the expected load without exceeding its rated capacity.
4. Assess Operating Speed:
Take into account the operating speed of the system. High-speed applications may require couplings designed for high rotational speeds to avoid issues like resonance.
5. Evaluate Environmental Factors:
Consider the environmental conditions in which the coupling will operate. For example, corrosive or harsh environments may require couplings made from specific materials like stainless steel.
6. Review Space Limitations:
Examine the available space for installing the coupling. In some cases, compact couplings may be necessary to fit within confined spaces.
7. Analyze Misalignment Compensation:
For applications where precise alignment is challenging, choose couplings that offer misalignment compensation, such as flexible couplings or universal couplings (Hooke’s joints).
8. Consider Vibration Damping:
If the application involves vibrations or shock loads, consider couplings with vibration damping properties, like certain types of flexible couplings.
9. Account for Maintenance Requirements:
Factor in the maintenance needs of the coupling. Some couplings may require periodic inspections and replacement of components, while others are relatively maintenance-free.
10. Seek Expert Advice:
If unsure about the most suitable coupling for the application, consult with coupling manufacturers or engineering experts who can provide guidance based on their expertise and experience.
By systematically evaluating these factors and requirements, engineers and designers can narrow down the options and select the most appropriate mechanical coupling that will ensure reliable and efficient operation in the specific application.
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How to troubleshoot common issues with mechanical couplings and their solutions?
Mechanical couplings may experience various issues during their operational life. Identifying and troubleshooting these issues promptly is essential to ensure the optimal performance and reliability of the mechanical system. Here are some common coupling problems and their solutions:
1. Misalignment:
Issue: Misalignment between the connected shafts can lead to premature wear, vibration, and reduced efficiency.
Solution: Check and adjust the alignment of the shafts. Properly align the coupling using shims or adjustable couplings to eliminate misalignment. Regularly inspect and correct any misalignment to avoid further issues.
2. Excessive Vibration:
Issue: Excessive vibration can result from misalignment, worn components, or resonance within the system.
Solution: Inspect the coupling for signs of wear, corrosion, or misalignment. Replace worn or damaged components and ensure proper alignment. If resonance is causing vibrations, consider dampening solutions or changing the coupling type to one better suited to the application.
3. Overheating:
Issue: Overheating of the coupling may occur due to excessive friction or inadequate lubrication.
Solution: Check the coupling for proper lubrication and use the recommended lubricant as per the manufacturer’s guidelines. Ensure that the coupling is not overloaded, as excessive torque can lead to overheating. Reduce the load or choose a higher torque-rated coupling if necessary.
4. Backlash:
Issue: Backlash, also known as play or free movement between the coupling components, can affect precision and accuracy in certain applications.
Solution: For applications requiring minimal backlash, choose couplings with low or zero backlash characteristics, such as gear couplings or servo couplings. Regularly inspect and replace worn or damaged components that may contribute to increased backlash.
5. Noise:
Issue: Unusual noises, such as clanking or rattling, may indicate misalignment, worn components, or improper installation.
Solution: Conduct a thorough inspection of the coupling and associated components. Correct any misalignment, replace worn parts, and verify proper installation. Ensure that all fasteners are properly tightened.
6. Premature Wear:
Issue: Premature wear of coupling components can lead to reduced coupling life and system reliability.
Solution: Regularly inspect the coupling for signs of wear and damage. Implement a preventive maintenance program with scheduled inspections and lubrication. Follow the manufacturer’s guidelines for maintenance and installation to maximize the coupling’s lifespan.
By promptly addressing these common issues and implementing appropriate solutions, the mechanical system can operate smoothly, efficiently, and reliably with minimal downtime and maintenance requirements.
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How do splined couplings work?
Splined couplings work by using interlocking ridges or teeth on the coupling and the connected shafts to transmit torque while allowing some degree of misalignment and axial movement. The operation of splined couplings can be understood in the following steps:
1. Spline Design:
The coupling and the shafts are machined with matching ridges or teeth along their surfaces. These ridges form the spline. There are various spline designs, including involute splines, straight-sided splines, and serrated splines, each with different tooth profiles and configurations.
2. Engagement:
When the splined coupling is fitted onto the shafts, the ridges on the coupling engage with the corresponding grooves on the shafts, creating a secure and positive connection. The engagement can be internal, where the coupling fits inside the shafts, or external, where the coupling fits over the shafts.
3. Torque Transmission:
When torque is applied to one of the shafts, the ridges on the coupling transmit the torque to the other shaft, allowing rotational motion to be transferred between the two shafts.
4. Misalignment Compensation:
Splined couplings can accommodate a small amount of misalignment between the shafts. This misalignment can be angular, where the shafts are not perfectly aligned, or parallel, where the shafts are slightly offset from each other. The splined design allows the coupling to flex slightly, accommodating these misalignments and reducing stress on the shafts and other components.
5. Axial Movement:
Some spline couplings, such as spline shafts, can also allow for limited axial movement. This axial play is useful in applications where thermal expansion or contraction of the shafts may occur, preventing excessive forces on the system.
Splined couplings are commonly used in precision motion control systems, automotive drivetrains, industrial machinery, and other applications where accurate torque transmission and flexibility in alignment are essential. Proper machining and assembly are critical to ensuring precise engagement and reliable operation of splined couplings in various mechanical systems.
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editor by CX 2023-11-27