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:
| Model | OD | ID | H | The number of petals |
| MT1 | 48 | 19 | 12 | 4 |
| MT2 | 68 | 28 | 18 | 6 |
| MT3 | 82 | 34 | 18 | 6 |
| MT4 | 100 | 42 | 20 | 6 |
| MT5 | 122 | 52 | 25 | 6 |
| MT6 | 140 | 64 | 30 | 6 |
| MT7 | 166 | 90 | 30 | 8 |
| MT8 | 196 | 100 | 35 | 8 |
| MT9 | 225 | 115 | 35 | 10 |
| MT10 | 255 | 140 | 45 | 10 |
| MT11 | 295 | 170 | 50 | 10 |
| MT12 | 356 | 215 | 55 | 12 |
| MT13 | 391 | 250 | 55 | 12 |
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:
Is it Possible to Replace a Motor Coupling Without Professional Assistance?
Yes, it is possible to replace a motor coupling without professional assistance, but it requires some mechanical knowledge and proper tools. Here are the steps to replace a motor coupling:
1. Safety First:
Before attempting any maintenance or replacement, ensure the motor and driven equipment are turned off and disconnected from the power source to prevent accidents.
2. Identify the Coupling Type:
Determine the type of motor coupling currently installed in the system. Different coupling types may have slightly different installation methods.
3. Gather Necessary Tools:
Collect the necessary tools, such as wrenches, socket set, screwdrivers, and any other specific tools required for the particular coupling type.
4. Remove Fasteners:
Loosen and remove the fasteners that secure the coupling to the motor and driven equipment shafts. Keep track of the fasteners to ensure they are reinstalled correctly.
5. Disconnect the Coupling:
Disconnect the coupling from both the motor and driven equipment shafts. Depending on the coupling type, this may involve sliding the coupling off the shafts or unbolting it from the flanges.
6. Inspect the Coupling:
Inspect the old coupling for signs of wear, damage, or misalignment. This assessment will help determine if the coupling replacement is necessary.
7. Install the New Coupling:
Place the new coupling onto the motor and driven equipment shafts, ensuring it fits properly and aligns with any keyways or grooves.
8. Reattach Fasteners:
Tighten and secure the fasteners to hold the new coupling in place. Follow the manufacturer’s recommended torque values for the specific coupling model.
9. Perform Trial Run:
Before full operation, perform a trial run to check the coupling’s performance and ensure everything is working correctly. Monitor for any abnormal vibrations or noises.
10. Regular Maintenance:
After replacement, follow regular maintenance practices to inspect the coupling and the entire power transmission system for any signs of wear or issues.
While it is possible to replace a motor coupling without professional assistance, keep in mind that improper installation or failure to diagnose other underlying issues may lead to further problems. If you are unsure about the process or encounter difficulties during the replacement, it is always best to seek the help of a qualified technician or engineer to ensure a successful and safe coupling replacement.
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Do Motor Couplings Require Regular Maintenance, and If So, What Does It Involve?
Yes, motor couplings do require regular maintenance to ensure their proper functioning and longevity. Regular maintenance helps identify and address any potential issues before they lead to costly breakdowns or equipment failures. Here’s what regular maintenance of motor couplings typically involves:
1. Visual Inspection:
Perform a visual inspection of the coupling regularly to check for signs of wear, damage, or misalignment. Look for any cracks, corrosion, or deformation in the coupling components.
2. Lubrication:
Some motor couplings may have moving parts or bearings that require lubrication. Follow the manufacturer’s guidelines to apply the appropriate lubricant at recommended intervals.
3. Tightening Fasteners:
Check and tighten the coupling’s fasteners, such as bolts and screws, to ensure they are securely in place. Loose fasteners can lead to misalignment and reduce coupling efficiency.
4. Balancing:
If the motor coupling operates at high speeds, consider periodic balancing to prevent vibrations and ensure smooth operation.
5. Misalignment Check:
Inspect and correct any misalignment between the motor and driven equipment shafts. Misalignment can lead to premature wear and reduced coupling performance.
6. Replacement of Worn Parts:
If any components of the coupling show signs of significant wear or damage, consider replacing them with genuine spare parts recommended by the manufacturer.
7. Environmental Factors:
Consider the environmental conditions in which the coupling operates. If the coupling is exposed to harsh environments, take necessary precautions to protect it from dust, moisture, or chemicals that could cause corrosion.
8. Temperature Monitoring:
For high-temperature applications, monitor the coupling’s temperature regularly. Excessive heat can degrade elastomeric elements or lubricants.
9. Regular System Inspections:
In addition to focusing on the coupling itself, regularly inspect the entire power transmission system, including the motor and driven equipment, to identify any issues that may affect coupling performance.
10. Maintenance Records:
Maintain comprehensive maintenance records, including inspection dates, repair activities, and any replacements made. These records can help with future troubleshooting and provide valuable insights into the coupling’s performance over time.
Regular maintenance of motor couplings is crucial for ensuring safe and efficient operation. It helps prevent unexpected failures, minimizes downtime, and extends the overall lifespan of the coupling and connected components.
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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 2023-10-20