Product Description
Grid Snake Grid Flexible Shaft Coupling JSB Coupling Serpentine Spring Shaft Coupling
Description:
The JS series spring coupling with detachable expansion sleeve is composed of 2 half coupling components and 1 (or more) serpentine spring with high strength and toughness, as well as 2 sealing components and 2 shells. The torque range is between 2-1300 kN.m.
Features:
1. Specially designed for servo, stepper motor.
2. The shaft and the shaft sleeve are connected without clearance, which is suitable for CHINAMFG and reverse rotation.
3. Low inertia, suitable for high speed running.
4. The diaphragm is made of stainless steel, with excellent fatigue resistance.
5. Clamping screw fastening method.
6. The shaft sleeve is made of high-strength aluminum alloy.
Paramters:
Advantages:
1. Good vibration reduction and long service life
The coupling is axially embedded in the 2 halves by more than 36% of the serpentine spring. The trapezoidal cross-section serpentine spring piece is made of high-quality spring steel, which has undergone strict heat treatment and is specially processed. It has good mechanical properties, so that the service life of the coupling is much longer than that of non-metal elastic element Column pin coupling, nylon rod pin coupling) greatly increased.
2. Wide range of variable loads and safe starting
The tooth surfaces where the 2 half-couplings contact the reed are arc-shaped. When the transmission torque increases, the spring leaf will deform along the tooth arc surface, so that the force points of the 2 half-couplings acting on the reed are close. The contact point between the reed and the tooth surface, that is, the change of the torque, changes with the magnitude of the transmitted torque, and its transmission characteristics are variable stiffness. Therefore, it has a greater load variation than ordinary elastic couplings. The buffer effect produced when the transmission force makes the reed deform along the tooth arc, especially when the machine is started or when a strong impact load occurs, can protect the safety of the supporting parts to a certain extent.
3. High transmission efficiency and reliable operation
The transmission efficiency of the coupling has been determined to reach 99.47%, and its short-term overload capacity is twice the rated torque, and the operation is safe and reliable.
4. Low noise and good lubrication
The aluminum alloy casing protects the spring from being thrown out during operation, and the casing is filled with butter, which not only ensures good lubrication, but also eliminates the noise when the reeds engage by being absorbed by the grease damping.
5. Simple structure, easy assembly and disassembly
The whole machine has few parts, small size, and light weight. The spring piece designed as a trapezoidal cross-section fits the trapezoidal tooth groove very conveniently and tightly, so that the assembly, disassembly and maintenance are easier than ordinary couplings.
6. Large installation deviation is allowed
Since the spring piece is in point contact with the arc surface of the tooth, the coupling can obtain greater flexibility. It can be installed to work normally with radial, angular and axial deviations at the same time.
Packing & shipping:
1 Prevent from damage.
2. As customers’ requirements, in perfect condition.
3. Delivery : As per contract delivery on time
4. Shipping : As per client request. We can accept CIF, Door to Door etc. or client authorized agent we supply all the necessary assistant.
About us:
HangZhou CHINAMFG machinery technology Co., Ltd is an industry transmission solutions manufacuturer and service provider.
We offer 1 stop solution for power transmission products for different factories, such as chemicals, energy, material handling, environmental, extraction, pulp and paper, steel and metal, food and beverage, and construction industries.
We supply: Customised gears, Small gearmotors, Industrial gearboxes, Motors, Brand product sourcing.
Our industrial Gear, Gearbox, gearmotor and motor are sold to more than 30 countries. High quality, good price, in time response and sincere service are our value and promises. We aim at making happy cooperation with our customers, bring them reliable and comfortable 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
Exploring the Use of Elastomeric Materials in Flexible Motor Couplings
Elastomeric materials are commonly used in flexible motor couplings due to their unique properties that make them well-suited for power transmission applications. These materials offer several advantages in the design and performance of motor couplings:
- Torsional Flexibility: Elastomeric materials have excellent torsional flexibility, which allows them to absorb and dampen vibrations and shocks that may occur during operation. This feature helps in reducing wear and tear on connected equipment and improves overall system performance.
- Misalignment Compensation: The inherent flexibility of elastomeric materials enables motor couplings to compensate for angular, parallel, and axial misalignments between the motor and driven shafts. This capability helps in extending the life of the coupling and other components by reducing stress and fatigue caused by misalignment.
- High Torque Capacity: Despite their flexibility, elastomeric materials can handle high torque loads, making them suitable for a wide range of motor coupling applications in various industries.
- Low Maintenance: Elastomeric couplings are known for their low maintenance requirements. They do not require lubrication, unlike some other types of couplings, which simplifies maintenance procedures and reduces downtime.
- No Metal-to-Metal Contact: Elastomeric couplings operate without metal-to-metal contact between the motor and driven shafts. This feature eliminates the need for periodic lubrication and reduces the risk of wear and noise generation.
- Corrosion Resistance: Many elastomeric materials used in motor couplings offer excellent resistance to corrosion, making them suitable for use in harsh environments or applications involving exposure to chemicals and moisture.
Elastomeric materials commonly used in motor couplings include natural rubber, synthetic rubber (such as polyurethane and nitrile rubber), and other high-performance elastomers. Manufacturers often engineer these materials to meet specific coupling requirements, ensuring optimal performance and longevity.
In summary, elastomeric materials play a vital role in the design and function of flexible motor couplings, providing benefits such as torsional flexibility, misalignment compensation, high torque capacity, low maintenance, and corrosion resistance. These qualities make elastomeric couplings a reliable choice for power transmission in various industrial applications.
What are the temperature and speed limits for different motor coupling types?
The temperature and speed limits for motor couplings vary depending on their design, materials, and intended applications. Below are general guidelines for different motor coupling types:
1. Flexible Couplings
Flexible couplings usually have temperature limits ranging from -40°C to 120°C (-40°F to 248°F). The speed limits for flexible couplings typically range from a few hundred RPM (Revolutions Per Minute) to several thousand RPM, depending on the size and design.
2. Rigid Couplings
Rigid couplings can handle higher temperatures, often ranging from -20°C to 150°C (-4°F to 302°F). Their speed limits are generally higher and can extend into tens of thousands of RPM.
3. Universal Couplings (Hooke’s Joints)
Universal couplings have temperature limits similar to flexible couplings, ranging from -40°C to 120°C (-40°F to 248°F). The speed limits for universal couplings are usually lower compared to flexible or rigid couplings and are typically in the range of a few hundred to a few thousand RPM.
4. Gear Couplings
Gear couplings are capable of handling higher temperatures, ranging from -10°C to 200°C (14°F to 392°F). The speed limits for gear couplings are also high and can extend into tens of thousands of RPM.
5. Disc Couplings
Disc couplings have a broader range of temperature limits, usually from -50°C to 150°C (-58°F to 302°F). Their speed limits are typically in the range of several thousand RPM.
6. Grid Couplings
Grid couplings typically have temperature limits ranging from -20°C to 120°C (-4°F to 248°F). The speed limits for grid couplings vary but can be in the range of several thousand RPM.
It is essential to consider the specific manufacturer’s specifications and recommendations for each motor coupling type, as they may vary based on construction materials, lubrication, and other factors. Operating the couplings within their specified temperature and speed limits ensures optimal performance and extends their service life.
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Common Industries that Use Grid Couplings and Their Applications
Grid couplings are widely used in various industries due to their ability to handle high torque, misalignments, and shock loads. Some of the common industries and their applications where grid couplings are employed include:
| Industry | Applications |
|---|---|
| Power Generation |
|
| Steel Mills |
|
| Mining |
|
| Pulp and Paper |
|
| Chemical Processing |
|
| Oil and Gas |
|
| Water and Wastewater |
|
Grid couplings are favored in these industries because they offer reliable performance in demanding applications, helping to ensure smooth operation and reduced downtime. Their ability to accommodate misalignments and dampen vibrations makes them suitable for various heavy-duty machinery and equipment.
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editor by CX 2024-04-13