Product Description

Accurate high precision mass production metal cnc machining milling parts

Product Description

1. Precision CNC machining parts strictly follow customers’ drawing, packing, and quality requirements.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers; 

Detailed Photos

Product Parameters

Our advantage of cnc machining:

The material

Packaging & Shipping

1. We prefer DHL or TNT express or other air freight between 1kg-100kg.
2. we prefer sea freight more than 100kg or more than 1CBM
3. As per customized specifications.

Company Profile

About us
HangZhou CHINAMFG Technology Co.,Ltd is located in HangZhou City, ZheJiang  Province, Which closed the ZheJiang .The Emitech Technology is mainly engaged in the CNC Machinery Industrial Service for 15 years. Our Parts are sold to Europe, America, Japan, South Korea and China in various kinds of industrial.At present, Our company has CNC Turning machines and CNC centers and equip with professional quality and testing instruments.We have full OEM Experience from worldwide, providing them with One-stop solutions for a broad range of applications.We look CHINAMFG to cooperating with you!
 

Our Advantages

1. Precision CNC machining parts strictly follow customer’s drawing,packing and quality requirement.
2. Tolerance: between+/-0.01mm;
3. The high-tech CMM inspector to ensure the quality;
4. Full-Experienced engineers and well professional trained workers;
5. Fast delivery time;
6. Professional advice for our customers; 

After Sales Service

Iso9001 certified CHINAMFG cnc parts
We usually provide 12 Months repair service. If our duty, we will respond to send the new parts.

Our Service

  /* 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

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Comparison of Helical Couplings with Beam Couplings and Oldham Couplings

Helical couplings, beam couplings, and Oldham couplings are all flexible coupling types used in mechanical systems, but they differ in design and characteristics:

• Helical Couplings: Helical couplings offer high torque transmission, axial flexibility, and some angular misalignment compensation. They are known for their helical-cut grooves that provide flexibility and compensate for misalignment, making them suitable for applications with moderate misalignment.
• Beam Couplings: Beam couplings consist of one or more flexible beams that provide radial flexibility and angular misalignment compensation. They excel in applications requiring high precision and low torque. However, they have limitations in transmitting high torque and axial misalignment.
• Oldham Couplings: Oldham couplings use two hubs and a center disc to transmit torque while accommodating angular misalignment. They offer higher torsional stiffness compared to helical and beam couplings. Oldham couplings are suitable for applications with moderate torque transmission and angular misalignment.

When comparing these coupling types:

• Helical couplings are preferred for applications with moderate torque, axial flexibility, and moderate angular misalignment.
• Beam couplings are chosen for applications requiring precision motion, low torque, and minimal angular misalignment.
• Oldham couplings are used when higher torsional stiffness and moderate angular misalignment compensation are needed.

The choice depends on factors such as torque requirements, misalignment, precision, and the specific needs of the application. Each coupling type offers unique benefits and limitations, allowing engineers to select the most suitable coupling for their machinery systems.

Variations of Helical Couplings for Specific Uses

Helical couplings come in various variations, each designed to suit specific applications and requirements:

• Flexible Helical Couplings: These couplings are designed to provide flexibility to accommodate misalignments and torsional vibrations. They are commonly used in applications where shaft misalignment is expected.
• Rigid Helical Couplings: Rigid helical couplings are designed to provide a more solid connection between shafts, offering minimal flexibility. They are suitable for applications where precise torque transmission and accurate positioning are crucial.
• Beam Helical Couplings: Beam-style helical couplings use thin metal beams to transmit torque while allowing for some misalignment. They are often used in applications that require high torsional stiffness and minimal backlash.
• Bellows Helical Couplings: Bellows couplings use accordion-like bellows to compensate for misalignment and provide vibration damping. They are commonly used in applications that require high torsional flexibility and protection from external contaminants.
• Oldham Helical Couplings: Oldham couplings use three discs: a central disc sandwiched between two outer discs with perpendicular slots. They offer excellent misalignment compensation and are often used in motion control systems.
• Helical-Beam Couplings: These couplings combine the flexibility of beam couplings with the misalignment compensation of helical couplings. They are suitable for applications that require both flexibility and misalignment tolerance.
• Slit Helical Couplings: Slit couplings have a slit design that allows for easy installation and removal without the need to disassemble the entire system. They are commonly used in applications where frequent maintenance is required.

The availability of these variations allows engineers and designers to select the most suitable type of helical coupling based on the specific needs of their application.

Diagnosing and Addressing Issues with Helical Couplings in Machinery Systems

Diagnosing and addressing issues related to helical couplings in machinery systems require a systematic approach:

• Visual Inspection: Regularly inspect the coupling for signs of wear, misalignment, or damage, such as cracks, corrosion, or deformation.
• Noise and Vibration: Unusual noise or increased vibration can indicate coupling problems. Use vibration analysis tools to identify issues and their severity.
• Power Transmission Issues: If you notice a decrease in power transmission efficiency or sudden changes in torque, it may be due to coupling problems.
• Temperature Changes: Abnormal temperature increases in the coupling area could indicate friction or misalignment issues.
• Lubrication: Check the lubrication of the coupling regularly. Insufficient or contaminated lubricant can lead to increased wear and poor performance.
• Alignment: Ensure that the coupling is properly aligned. Misalignment can cause premature wear and reduce the coupling’s lifespan.
• Fasteners: Examine fasteners like set screws or clamping elements. Loose or damaged fasteners can affect coupling performance.
• Replace Damaged Parts: If you identify worn or damaged parts, replace them promptly with genuine replacement components.
• Balancing: Imbalance can lead to vibration and wear. Balance the coupling if necessary.
• Proper Installation: If the coupling was recently installed, ensure it was installed correctly and according to the manufacturer’s guidelines.
• Consult Experts: If you’re unsure about diagnosing or addressing issues, consult with experts or engineers who specialize in coupling systems.

By conducting regular inspections, monitoring performance, and addressing issues promptly, you can maintain the optimal functioning of helical couplings in your machinery systems.

editor by CX 2024-05-13

Product Description

Helical Drive Flexible Coupling For Encoder Shaft Coupling Dimensions
 

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 usedas 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.

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

          
               If there’s anything we can help, please feel free to contact with us.

  /* 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

Endurance of Helical Couplings for High Torque and Axial Motion

Helical couplings are designed to withstand a range of mechanical forces, including high levels of torque and axial motion:

• High Torque: Helical couplings are capable of transmitting high levels of torque due to their robust construction and the interlocking helical teeth. The helical design enhances the coupling’s ability to handle torque without compromising flexibility.
• Axial Motion: Helical couplings can accommodate limited axial motion without compromising their performance. This is especially beneficial in applications where shafts might experience slight axial displacement due to thermal expansion or other factors.

Engineers select helical couplings based on the anticipated torque requirements and axial motion characteristics of the application. It’s important to ensure that the selected coupling has the necessary torque rating and axial flexibility to meet the demands of the specific machinery or system.

Advantages of Using Helical Couplings in Industrial Applications

Helical couplings offer several key advantages when used in industrial applications:

• Misalignment Compensation: Helical couplings can accommodate angular, axial, and parallel misalignments between shafts, helping to extend the lifespan of connected components and reducing the risk of premature failure.
• High Torque Transmission: These couplings are designed to transmit high levels of torque between shafts, making them suitable for applications that require efficient power transmission.
• Backlash Reduction: The helical design minimizes backlash, ensuring accurate positioning and motion control in precision applications.
• Shock and Vibration Absorption: Helical couplings absorb shocks and vibrations, protecting connected equipment from excessive wear and minimizing noise in the system.
• Compact and Lightweight: The compact and lightweight design of helical couplings makes them ideal for applications with limited space and weight constraints.
• Easy Installation: Helical couplings are relatively simple to install, requiring minimal tools and expertise.
• Corrosion Resistance: Many helical couplings are made from materials that offer corrosion resistance, making them suitable for various environmental conditions.
• Cost-Effective: Helical couplings provide a cost-effective solution for flexible shaft connections, reducing the need for complex and expensive alignment procedures.
• Long Service Life: Properly installed and maintained helical couplings can have a long service life, contributing to the reliability of the overall system.

Overall, helical couplings are a versatile and reliable choice for industrial applications that require torque transmission, misalignment compensation, and vibration reduction.

Recent Advancements in Helical Coupling Technology

Recent years have seen several advancements and innovations in helical coupling technology, aimed at improving performance, reliability, and ease of use:

• Advanced Materials: Manufacturers are using innovative materials that offer enhanced strength, durability, and resistance to wear, allowing helical couplings to handle higher torque loads and harsh environments.
• Customization: Modern helical couplings can be designed and manufactured with greater customization options to fit specific application requirements, such as unique shaft sizes or complex misalignment conditions.
• Compact Designs: Engineers have developed more compact helical coupling designs that are lightweight and have a smaller footprint, making them ideal for space-constrained applications.
• Improved Torsional Stiffness: Innovations in coupling design have led to improved torsional stiffness, providing better control over torsional vibrations and ensuring precise power transmission.
• Integrated Monitoring: Some advanced helical couplings come with built-in sensors or monitoring systems that can provide real-time data on coupling performance, allowing for predictive maintenance and reducing downtime.
• Enhanced Tolerance for Misalignment: New designs allow helical couplings to handle higher levels of misalignment without sacrificing performance, making them more versatile for various applications.

These advancements continue to make helical couplings a reliable and versatile choice for a wide range of mechanical systems across industries.

editor by CX 2024-04-16

Product Description

Helical Drive Flexible Coupling For Encoder Shaft Coupling Dimensions
 

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 usedas 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.

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

          
               If there’s anything we can help, please feel free to contact with us.

  /* 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

Identifying Wear or Deterioration in Helical Couplings

Over time, helical couplings may experience wear or deterioration that can affect their performance. Here are signs to watch for and ways to identify them:

• Vibration: Increased vibration or unusual vibrations during operation can indicate misalignment or wear in the coupling.
• Noise: Unusual clicking, rattling, or squeaking noises during operation can point to worn or damaged coupling components.
• Reduced Performance: If the machinery’s performance declines or becomes less precise, it may be due to wear in the coupling affecting torque transmission.
• Excessive Heat: If the coupling becomes unusually hot during operation, it could indicate friction or misalignment issues.
• Visual Inspection: Regularly inspect the coupling for visible signs of wear, such as worn or deformed parts, cracks, or corrosion.
• Measurement: Use precision instruments to measure coupling dimensions and check for dimensional changes, which could indicate wear or deformation.

It’s essential to regularly inspect and maintain helical couplings to ensure their optimal performance and prevent potential issues.

Utilization of Helical Couplings in Mechanical Systems

A helical coupling, also known as a beam coupling, is a type of flexible coupling that is used in mechanical systems to transmit torque and motion between shafts while accommodating misalignment. Here’s how it is utilized:

Helical couplings consist of two hubs, each with helical slots that interlock with the other hub’s slots. The interlocking design allows for flexibility in multiple directions while maintaining torsional rigidity.

When utilized in mechanical systems:

• Misalignment Compensation: Helical couplings can handle angular, axial, and parallel misalignments between shafts. The helical slots provide flexibility, allowing for small amounts of misalignment without transmitting excessive stress to connected components.
• Torque Transmission: Helical couplings transmit torque from one shaft to another while minimizing backlash. The helical slot design distributes torque evenly across the coupling’s surface, ensuring efficient power transmission.
• Reduced Vibration: The helical design of the coupling helps absorb shocks and vibrations, contributing to smoother operation and reduced wear on connected components.
• Compact Design: Helical couplings have a compact and lightweight design, making them suitable for applications with limited space.
• Simple Installation: These couplings are relatively easy to install, with minimal maintenance requirements.
• Various Applications: Helical couplings are commonly used in robotics, motion control systems, CNC machines, and other applications where precision and flexibility are essential.

In summary, helical couplings provide an effective solution for transmitting torque and motion between shafts while accommodating misalignment and reducing vibrations in various mechanical systems.

Impact of Design and Pitch on Helical Coupling Performance and Reliability

The design and pitch of helical couplings play a crucial role in determining their performance and reliability:

Design: The design of a helical coupling includes factors such as the number of helical elements, their shape, and the arrangement of the helix angles. A well-designed helical coupling can provide a balance between torsional stiffness and flexibility. A higher number of helical elements can increase the coupling’s torsional stiffness, making it more suitable for applications that require precise torque transmission. On the other hand, a lower number of helical elements can enhance flexibility and misalignment compensation.

Pitch: The pitch of a helical coupling refers to the distance between successive helical threads. A smaller pitch results in a finer thread, offering higher torsional stiffness and accuracy in torque transmission. Couplings with a smaller pitch are often preferred for applications with precise positioning requirements. Conversely, a larger pitch provides more flexibility and misalignment compensation, making it suitable for applications with dynamic loads and vibrations.

Choosing the appropriate design and pitch depends on the specific application requirements. Applications demanding high torsional stiffness and accurate torque transmission may benefit from a coupling with a smaller pitch and more helical elements. Meanwhile, applications involving misalignment accommodation and dynamic loads may favor a larger pitch and fewer helical elements to maintain flexibility and shock absorption.

Ultimately, a well-matched design and pitch ensure that the helical coupling can effectively balance the need for torque transmission, misalignment compensation, and resilience to varying operating conditions, contributing to its overall performance and reliability in mechanical systems.

editor by CX 2024-04-04

Product Description

Helical Drive Flexible Coupling For Encoder Shaft Coupling Dimensions
 

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 usedas 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.

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

          
               If there’s anything we can help, please feel free to contact with us.

  /* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Endurance of Helical Couplings for High Torque and Axial Motion

Helical couplings are designed to withstand a range of mechanical forces, including high levels of torque and axial motion:

• High Torque: Helical couplings are capable of transmitting high levels of torque due to their robust construction and the interlocking helical teeth. The helical design enhances the coupling’s ability to handle torque without compromising flexibility.
• Axial Motion: Helical couplings can accommodate limited axial motion without compromising their performance. This is especially beneficial in applications where shafts might experience slight axial displacement due to thermal expansion or other factors.

Engineers select helical couplings based on the anticipated torque requirements and axial motion characteristics of the application. It’s important to ensure that the selected coupling has the necessary torque rating and axial flexibility to meet the demands of the specific machinery or system.

The Role of Helical Flexibility in Compensating for Shaft Misalignment

Helical couplings are designed with helical cuts or grooves in their construction. This helical design provides flexibility, allowing the coupling to compensate for various types of shaft misalignment:

• Angular Misalignment: The helical cuts enable the coupling to flex in response to angular misalignment between the connected shafts. As the misaligned shafts rotate, the helical flexure allows them to maintain contact and transmit torque effectively.
• Radial Misalignment: Helical couplings can also accommodate radial misalignment by flexing slightly in response to the offset between the shafts. This flexibility prevents binding or excessive forces on the shafts, reducing wear and extending the coupling’s lifespan.
• Axial Misalignment: While not all helical couplings can handle significant axial movement, some designs offer limited axial compensation. The helical flexure allows a small amount of axial displacement without compromising coupling integrity.

Overall, the helical flexibility of these couplings allows them to maintain constant contact and torque transmission even when shafts are not perfectly aligned. This feature enhances the coupling’s reliability, reduces stress on the connected components, and contributes to the longevity of both the coupling and the machinery.

Helical Couplings for High-Speed Rotation and Varying Loads

Yes, helical couplings are well-suited for applications involving high-speed rotation and varying loads. Here’s why:

Helical couplings are designed to provide flexibility and accommodate misalignment while transmitting torque between shafts. This flexibility allows them to handle the dynamic loads and vibrations that can occur in high-speed rotating systems.

When the rotational speed changes or varying loads are applied, helical couplings can absorb the resulting torsional stresses and shocks. The helical design of the coupling allows for some degree of torsional compliance, helping to mitigate the impact of sudden load changes and reducing the risk of damage to connected components.

The ability of helical couplings to handle misalignment, combined with their torsional flexibility, makes them suitable for applications where high-speed rotation and varying loads are present. However, it’s important to select the appropriate size and type of helical coupling based on the specific requirements of the application to ensure optimal performance and reliability.

Overall, helical couplings offer a versatile solution for applications that demand both high-speed rotation and the ability to accommodate changing loads and dynamic conditions.

editor by CX 2024-01-09

Product Description

Helical Drive Flexible Coupling For Encoder Shaft Coupling Dimensions

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.

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.
               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.

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Applications of Helical Couplings in Various Industries

Helical couplings find wide use in numerous industries and applications due to their versatility, reliability, and ability to handle misalignment and transmit torque:

• Manufacturing: Helical couplings are used in CNC machines, mills, lathes, and other manufacturing equipment to ensure precise power transmission and minimize vibration.
• Robotics: Robotic arms and joints often employ helical couplings to connect motors and actuators, allowing for flexibility while maintaining accurate motion control.
• Medical Equipment: Imaging devices, surgical robots, and medical equipment often use helical couplings to ensure precise movement and positioning.
• Aerospace: Helical couplings are used in aerospace applications such as satellite systems, UAVs, and aircraft systems where lightweight yet durable coupling solutions are required.
• Automotive: Helical couplings find use in automotive testing equipment, vehicle assembly lines, and robotics for manufacturing and testing automotive components.
• Packaging and Conveyors: Packaging machinery, material handling systems, and conveyors utilize helical couplings to ensure efficient and accurate movement of products.
• Printing: Printers and labeling machines benefit from helical couplings’ ability to handle misalignment and transmit motion accurately.

The broad range of applications highlights the adaptability and reliability of helical couplings across various industries.

Advantages of Using Helical Couplings in Industrial Applications

Helical couplings offer several key advantages when used in industrial applications:

• Misalignment Compensation: Helical couplings can accommodate angular, axial, and parallel misalignments between shafts, helping to extend the lifespan of connected components and reducing the risk of premature failure.
• High Torque Transmission: These couplings are designed to transmit high levels of torque between shafts, making them suitable for applications that require efficient power transmission.
• Backlash Reduction: The helical design minimizes backlash, ensuring accurate positioning and motion control in precision applications.
• Shock and Vibration Absorption: Helical couplings absorb shocks and vibrations, protecting connected equipment from excessive wear and minimizing noise in the system.
• Compact and Lightweight: The compact and lightweight design of helical couplings makes them ideal for applications with limited space and weight constraints.
• Easy Installation: Helical couplings are relatively simple to install, requiring minimal tools and expertise.
• Corrosion Resistance: Many helical couplings are made from materials that offer corrosion resistance, making them suitable for various environmental conditions.
• Cost-Effective: Helical couplings provide a cost-effective solution for flexible shaft connections, reducing the need for complex and expensive alignment procedures.
• Long Service Life: Properly installed and maintained helical couplings can have a long service life, contributing to the reliability of the overall system.

Overall, helical couplings are a versatile and reliable choice for industrial applications that require torque transmission, misalignment compensation, and vibration reduction.

Helical Couplings for High-Speed Rotation and Varying Loads

Yes, helical couplings are well-suited for applications involving high-speed rotation and varying loads. Here’s why:

Helical couplings are designed to provide flexibility and accommodate misalignment while transmitting torque between shafts. This flexibility allows them to handle the dynamic loads and vibrations that can occur in high-speed rotating systems.

When the rotational speed changes or varying loads are applied, helical couplings can absorb the resulting torsional stresses and shocks. The helical design of the coupling allows for some degree of torsional compliance, helping to mitigate the impact of sudden load changes and reducing the risk of damage to connected components.

The ability of helical couplings to handle misalignment, combined with their torsional flexibility, makes them suitable for applications where high-speed rotation and varying loads are present. However, it’s important to select the appropriate size and type of helical coupling based on the specific requirements of the application to ensure optimal performance and reliability.

Overall, helical couplings offer a versatile solution for applications that demand both high-speed rotation and the ability to accommodate changing loads and dynamic conditions.

editor by CX 2023-09-28