China supplier Mt Series Tower Crane Slewing Motor Rubber Coupling motor coupling

Product Description

Material: PU, and CHINAMFG is available
Standard: GB5272-85
Application: Can compensate the relative deviation, damping, buffering, small radial dimension, simple structure, no need of lubrication, the bearing capacity is high, easy to maintain, but change the elastic element in 2 shaft coupling needs to move along the axial direction. Is suitable for connecting 2 coaxial, frequent starting, reversing the changes, low speed, small power transmission, high reliability requirements of shafting parts, not suitable for heavy load and axial size restrictions, parts of the 2 axis of difficulties in the replacement of the elastic component.

Torque: 22.4 – 2500NM
Wear: < 0.05cm3 / 1.61km
Product hardness: 95A + 5
Standard: GB5272-85
Specifications: MT14 – MT1

material:According to the selection of different materials in different conditions, such as fan, water pump, light industry, textile and other stable work, little change in load, can be used  polyurethane
SIZE:

custom-made is welcome
We have all specs  in stock, so small order is available, and delivery fast.

About us:
Company Information
ZheJiang CHINAMFG Electronic Co., Ltd.established in 2008,having both trading company and owned factory .Office and showroom are located in ZheJiang . We produce and sell various Excavator Parts,such as coupling,Oil Seal,Hydraulic Parts,Excavator Rubber Parts,Excavator Electric Parts,Excavator wearing Parts,Engine Parts,Excavator Filters,Excavator Gears,Bearings,Excavator A/C Parts,Excavator Undercarriage Parts and Some air compressor couplings.
The parts we supplly can be used brandbexcavators:Komatsu,Hitachi,Sumitomo,Hyundai,Caterpillar,Case,Liebherr,Kobelco,Kato,Sany,Lonking,Sunward,Liugong,Samsung,Daewoo,Doosan,Volvo,Cummins,Isuzu,Yanmar,Kawasaki and CHINAMFG etc.
FAQ:

Understanding the Torque and Misalignment Capabilities of Motor Couplings

Motor couplings play a crucial role in transmitting torque from the motor to the driven equipment while accommodating certain degrees of misalignment between the shafts. Here’s a detailed explanation of their torque and misalignment capabilities:

Torque Transmission:

Torque transmission is one of the primary functions of a motor coupling. It refers to the ability of the coupling to transfer rotational force (torque) from the motor shaft to the driven equipment shaft. The torque capacity of a coupling depends on various factors, including:

• Coupling Type: Different coupling types have varying torque capacities. For instance, gear couplings have high torque capacity, making them suitable for heavy-duty applications.
• Material and Design: The material and design of the coupling elements play a role in determining its torque capacity. Couplings made from high-strength materials can handle higher torque loads.
• Size: The size of the coupling affects its torque capacity. Larger couplings generally have higher torque ratings.
• Operating Conditions: Environmental factors, temperature, and speed also influence the torque capacity of the coupling.

Misalignment Compensation:

Motor couplings are designed to accommodate a certain degree of misalignment between the motor and driven equipment shafts. Misalignment can occur due to factors such as manufacturing tolerances, thermal expansion, and operational conditions. The misalignment capability of a coupling depends on its type and design:

• Flexible Couplings: Flexible couplings, such as jaw couplings or elastomeric couplings, can handle both angular and parallel misalignment. They provide some flexibility to dampen vibrations and compensate for minor misalignment.
• Universal Joints: Universal joints can handle angular misalignment and are commonly used in applications requiring a high range of motion, such as vehicle drivelines.
• Disc Couplings: Disc couplings can handle angular misalignment and provide high torsional stiffness for precision applications.
• Bellows Couplings: Bellows couplings are suitable for applications requiring high levels of parallel misalignment compensation, such as in optical equipment.

It is essential to consider the torque and misalignment requirements of the specific application when selecting a motor coupling. Properly matching the coupling’s capabilities to the system’s needs ensures efficient torque transmission and helps prevent premature wear or failure due to misalignment issues.

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Can Motor Couplings Handle Reversing Loads and Shock Loads Effectively?

Yes, motor couplings are designed to handle both reversing loads and shock loads effectively, making them suitable for a wide range of industrial applications. Here’s how motor couplings can handle these types of loads:

Reversing Loads:

Motor couplings are capable of transmitting torque in both forward and reverse directions. When the driven equipment experiences changes in direction, the motor coupling efficiently transfers torque from the motor to the driven equipment without any loss in performance. This capability is crucial in applications that require frequent changes in rotational direction, such as reversing drives in industrial machinery.

Shock Loads:

Motor couplings, especially those with elastomeric elements, have excellent shock-absorbing properties. When subjected to sudden shocks or impacts, such as during machine start-ups or sudden stops, the elastomeric material in the coupling helps dampen and absorb the impact energy. This protects the motor, driven equipment, and other components in the power transmission system from damage or excessive stress.

The ability of motor couplings to handle reversing loads and shock loads effectively is a result of their flexible and durable construction. Flexible couplings, in particular, can accommodate misalignments and absorb vibrations, further contributing to their ability to handle dynamic loads. However, it’s essential to consider the specific application’s requirements and select the appropriate coupling type and size that matches the expected reversing and shock load characteristics.

Proper installation, alignment, and regular maintenance of motor couplings are also critical factors in ensuring their optimal performance under reversing and shock load conditions. Regular inspection and monitoring can help identify any signs of wear or damage and allow for timely maintenance, contributing to the long-term reliability and efficiency of the power transmission system.

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Types of Motor Couplings and Their Applications in Different Industries

Motor couplings come in various types, each designed to meet specific requirements and applications in different industries. Here are some common types of motor couplings and their typical uses:

1. Rigid Couplings:

Rigid couplings provide a solid and inflexible connection between the motor shaft and the driven equipment. They are ideal for applications where precise alignment and torque transmission are critical. Rigid couplings are commonly used in machine tools, robotics, and high-precision industrial equipment.

2. Flexible Couplings:

Flexible couplings are designed to accommodate misalignment between the motor and driven equipment shafts. They can handle angular, parallel, and axial misalignment, reducing stress on bearings and increasing the system’s flexibility. Flexible couplings find applications in pumps, compressors, conveyors, and other machinery where misalignment may occur due to vibration or thermal expansion.

3. Gear Couplings:

Gear couplings use toothed gears to transmit torque between the motor and the driven equipment. They provide high torque capacity and are suitable for heavy-duty applications, such as steel rolling mills, cranes, and marine propulsion systems.

4. Disc Couplings:

Disc couplings use thin metal discs to transmit torque. They offer high torsional stiffness, allowing precise motion control in applications like servo systems, CNC machines, and robotics.

5. Jaw Couplings:

Jaw couplings use elastomeric elements to dampen vibrations and accommodate misalignment. They are commonly used in small electric motors and general-purpose machinery.

6. Bellows Couplings:

Bellows couplings have a flexible accordion-like structure that compensates for misalignment while maintaining torsional rigidity. They are used in vacuum systems, optical equipment, and other high-precision applications.

7. Grid Couplings:

Grid couplings use a flexible grid element to transmit torque and dampen vibrations. They are suitable for applications in pumps, compressors, and conveyor systems where shock loads and misalignment are common.

8. Magnetic Couplings:

Magnetic couplings use magnetic fields to transmit torque between the motor and driven equipment. They are commonly used in applications requiring hermetic sealing, such as pumps and mixers handling hazardous or corrosive fluids.

Each type of motor coupling offers unique advantages and is chosen based on the specific needs of the industry and the application. Proper selection and installation of the right coupling type enhance efficiency, reliability, and safety in motor-driven systems across various industries.

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editor by CX 2023-10-07