China Professional Star Type Rubber Flexible Shaft Spider Jaw Coupling Plum Coupling Servo Motor

Product Description

XL Star Type Rubber Flexible Jaw Coupling Flexible Plum Coupling 

Description

The plum CHINAMFG coupling is closely combined with the main body of the 2 half coupling with polyurethane plastic as the elastic element, and the main body is mainly made of imported alloy aluminum. It is applicable to servo system, spindle drive, lifting platform, machine tool drive and gearbox motor. Compact, no backlash, 3 different hardness elastomers are provided, which can absorb vibration and compensate radial and angular deviation. It is mainly suitable for working places with frequent starting, CHINAMFG and reverse rotation, medium high speed, medium torque and high reliability. 

Paramenters


 

Type Torque Tn (N.m) Max Speed [n] (r/min) Shaft hole DIA di dz Hole Length L D D: Dz E S
XL1 34 19000 6-19-24 25 40 32 40 16 2
XL2 120 14000 8-24-28 30 55 40 55 18 2
XL3 320 11800 10-28-38 35 65 48 65 20 2.5
XL4 650 9500 12-38-45 45 80 66 78 24 3
XL5 900 8000 14-42-55 50 98 75 94 26 3
XL6 1050 7100 1548-60 56 105 85 104 28 3.5
XL7 1250 6300 20-55-70 65 120 98 118 30 4
XL8 1280 5600 22~65-75 75 135 115 134 35 4.5
XL9 2930 4750 30-75-90 85 160 135 158 40 5
XL10 7200 3750 40-90-100 100 200 160 180 45 5.5
XL11 9900 3350 50-100-110 110 225 180 200 50 6
XL12 12000 3000 60-110-125 120 255 200 230 55 6.5
XL13 15000 2650 60-125-145 140 290 230 265 60 7
XL14 22000 2360 60-140-165 155 320 255 300 65 7.5
XL15 30000 2000 80-160-190 175 370 290 345 75 9
XL16 35000 1800 85-180-220 195 420 325 400 85 10.5

Features

1. Elastic plum-shaped flexible coupling.

2. During transmission, it can realize zero backlash torque transmission torque under low torque state.

3. The elastic spacer is made of polyurethane, and the torque exceeds the traditional claw coupling by more than 2 times.

4. Plum CHINAMFG elastomer can resist oil and electrical insulation, operating temperature: -20ºC~80ºC.

5. Excellent elastic effect to absorb vibration, eccentricity and deflection.

6. If there are multiple deviations, the allowable value of a single deviation will be reduced.

jaw coupling

Reducing Downtime and Maintenance Costs with Jaw Couplings

Jaw couplings play a crucial role in reducing downtime and maintenance costs in mechanical systems. Here’s how they contribute to improved efficiency and cost-effectiveness:

  • Shock Absorption: Jaw couplings feature an elastomeric spider between the hubs, which acts as a shock absorber. It helps dampen vibrations and shock loads, protecting connected equipment from sudden impacts. By minimizing the impact of shocks and vibrations, jaw couplings extend the lifespan of components and reduce the need for frequent repairs or replacements.
  • Misalignment Compensation: In real-world applications, shaft misalignment is almost unavoidable due to factors such as temperature variations, foundation settling, or minor assembly errors. Jaw couplings can accommodate angular and parallel misalignment, reducing stress on connected equipment and minimizing wear on shafts and bearings.
  • Fail-Safe Design: Jaw couplings are designed with a fail-safe feature. If the elastomeric spider fails due to wear or damage, the jaws of the coupling interlock, allowing the system to continue transmitting torque. This design prevents complete coupling failure and allows the machinery to keep running until scheduled maintenance can be performed.
  • Easy Installation and Replacement: Jaw couplings are relatively easy to install and replace, which helps reduce downtime during maintenance or equipment upgrades. With simple set-screw or clamp-type hubs, the couplings can be quickly installed or removed without disassembling the entire system.
  • Cost-Effectiveness: Compared to some other types of couplings, jaw couplings are generally more cost-effective. They offer reliable performance and misalignment compensation at a relatively lower cost. Additionally, the extended equipment lifespan and reduced maintenance needs contribute to long-term cost savings.

By providing shock absorption, misalignment compensation, fail-safe operation, easy installation, and cost-effectiveness, jaw couplings enhance the overall reliability and efficiency of mechanical systems, leading to reduced downtime and maintenance costs.

jaw coupling

Can jaw couplings be used in servo motor and stepper motor applications?

Yes, jaw couplings can be used in both servo motor and stepper motor applications, and they are commonly employed in such systems. The key factors that make jaw couplings suitable for these motor types are their ability to handle misalignment, their torsional flexibility, and their compact and lightweight design.

In servo motor applications, jaw couplings are chosen for their high precision and responsiveness. Servo motors require couplings that can transmit torque with minimal backlash and provide accurate motion control. Jaw couplings achieve this by maintaining a tight fit between the elastomer spider and the coupling hubs, minimizing backlash and ensuring precise torque transmission. The elastomer spider also dampens vibrations and shocks, contributing to smoother motor operation and increased system stability. Additionally, the compact size and low inertia of jaw couplings make them ideal for high-speed servo motor applications where quick acceleration and deceleration are crucial.

In stepper motor applications, jaw couplings are preferred for their ability to handle misalignment. Stepper motors often have shaft misalignment due to manufacturing tolerances or other factors, and jaw couplings can accommodate both angular and parallel misalignment without imposing significant additional loads on the motor bearings. This helps to reduce wear and extend the life of the motor and coupling components. Moreover, stepper motors are commonly used in open-loop systems, where precise positioning and motion control are essential. Jaw couplings’ low backlash characteristics aid in achieving accurate positioning and eliminating any motion inaccuracies that might arise due to backlash in the coupling.

Overall, jaw couplings are well-suited for servo motor and stepper motor applications due to their precision, ability to handle misalignment, torsional flexibility, and low inertia. When selecting a jaw coupling for a specific motor application, it is essential to consider factors such as torque requirements, operating conditions, and motor specifications to ensure optimal performance and reliability in the system.

jaw coupling

How Does a Jaw Coupling Protect Connected Equipment from Shock Loads and Vibrations?

Jaw couplings are designed to provide some level of flexibility, which allows them to absorb shock loads and dampen vibrations in mechanical systems. The unique design of jaw couplings contributes to their ability to protect connected equipment in the following ways:

  • Spider Element: The spider element, typically made of elastomeric material, serves as a mechanical fuse in the jaw coupling. When the system experiences shock loads or vibrations beyond the coupling’s rated capacity, the spider element can deform or fail in a controlled manner, protecting the connected components from damage.
  • Torsional Wind-Up: In the presence of torsional vibrations or sudden torque fluctuations, the elastomeric spider can act as a torsional buffer, absorbing and dissipating the energy to prevent it from reaching the connected equipment.
  • Misalignment Compensation: Jaw couplings can tolerate a degree of angular, parallel, and axial misalignment between the shafts. This capability helps minimize stress on the connected components in situations where misalignments might occur due to external forces or dynamic operating conditions.
  • Reduction of Resonance Effects: The flexibility of jaw couplings can help mitigate resonance effects that may arise in the system, reducing the risk of resonance-related failures or damages.

It’s important to note that while jaw couplings offer protection against certain shock loads and vibrations, they have their limits. Excessive or repetitive shocks, vibrations, or overloading beyond the coupling’s rated capacity can still lead to premature wear or failure. Therefore, it is essential to select the appropriate size and type of jaw coupling for the application and regularly inspect the coupling for signs of wear or damage. Regular maintenance and inspection help ensure the jaw coupling continues to provide reliable protection to the connected equipment.

China Professional Star Type Rubber Flexible Shaft Spider Jaw Coupling Plum Coupling Servo Motor  China Professional Star Type Rubber Flexible Shaft Spider Jaw Coupling Plum Coupling Servo Motor
editor by CX 2023-11-16

flexible jaw coupling

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