Product Description
Densen customized roller chain coupling,chain coupling for chain mortising machine
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| Product Name | Densen customized roller chain coupling,chain coupling for chain mortising machine |
| DN mm | 16~190mm |
| Rated Torque | 40~25000 N·m |
| Allowable speed | 4500~200 kN·m |
| Material | 45#steel |
| Application | Widely used in metallurgy, mining, engineering and other fields. |
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Equipment
Application Case
Typical case of diaphragm coupling applied to variable frequency speed control equipment
JMB type coupling is applied to HangZhou Oilfield Thermal Power Plant
According to the requirements of HangZhou Electric Power Corporation, HangZhou Oilfield Thermal Power Plant should dynamically adjust the power generation according to the load of the power grid and market demand, and carry out the transformation of the frequency converter and the suction fan. The motor was originally a 1600KW, 730RPM non-frequency variable speed motor matched by HangZhou Motor Factory. The speed control mode after changing the frequency is manual control. Press the button speed to increase 10RPM or drop 10RPM. The coupling is still the original elastic decoupling coupling, and the elastic de-coupling coupling after frequency conversion is frequently damaged, which directly affects the normal power generation.
It is found through analysis that in the process of frequency conversion speed regulation, the pin of the coupling can not bear the inertia of the speed regulation process (the diameter of the fan impeller is 3.3 meters) and is cut off, which has great damage to the motor and the fan.
Later, they switched to the JMB460 double-diaphragm wheel-type coupling of our factory (patent number: ZL.99246247.9). After 1 hour of destructive experiment and more than 1 year of operation test, the equipment is running very well, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.
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Retrofitting Roller Chain Couplings for Improved Performance
Yes, roller chain couplings can be retrofitted into existing systems to improve performance and enhance power transmission capabilities. Retrofitting is a cost-effective way to upgrade the coupling system without the need for significant modifications to the existing machinery.
When considering a retrofit with roller chain couplings, it is essential to ensure that the new couplings are compatible with the existing shaft sizes and operating conditions. The dimensions of the roller chain couplings should match the space available in the system, and the torque and speed ratings should meet or exceed the requirements of the application.
The advantages of retrofitting with roller chain couplings include:
- Increased Torque Capacity: Roller chain couplings can handle higher torque loads compared to some other coupling types, providing improved power transmission capabilities.
- Better Misalignment Tolerance: Roller chain couplings can accommodate both angular and parallel misalignments, reducing stress on the connected equipment and extending its service life.
- Shock Load Absorption: The flexibility of roller chain couplings allows them to absorb shock loads, protecting the drivetrain and other mechanical components from sudden impacts.
- Reduced Downtime: Retrofitting can be a quick and straightforward process, minimizing downtime during the upgrade.
Before proceeding with the retrofit, it is essential to consult with coupling manufacturers or engineering experts to ensure the proper selection and installation of roller chain couplings. Additionally, regular maintenance and inspections are crucial to ensure continued optimal performance and reliability of the retrofitted coupling system.
Specialized Roller Chain Couplings for High-Torque or High-Speed Applications
Yes, there are specialized roller chain couplings designed to handle high-torque or high-speed applications. These specialized couplings are engineered to meet the specific demands of such industrial scenarios. Here are some key features and considerations for high-torque or high-speed roller chain couplings:
- Enhanced Strength: Roller chain couplings for high-torque applications are constructed using robust materials that offer higher tensile strength and improved fatigue resistance. This allows them to withstand the increased torque without experiencing premature failure.
- Optimized Tooth Design: High-torque roller chain couplings may feature specially designed sprockets and chain tooth profiles to ensure reliable torque transmission and minimize wear under heavy loads.
- Increased Chain Size: In high-torque applications, larger chain sizes may be used to handle the elevated power requirements. Larger chains provide more surface area for torque transmission and can accommodate higher loads.
- Heat Treatment: Some high-torque roller chain couplings may undergo heat treatment processes to improve hardness and wear resistance, making them suitable for demanding applications.
- Dynamic Balancing: For high-speed applications, roller chain couplings are often dynamically balanced to minimize vibration and prevent potential resonance issues that could occur at elevated rotational speeds.
- Lubrication: Proper lubrication is crucial for high-speed roller chain couplings to reduce friction and wear. Some designs may incorporate special lubrication systems to ensure smooth operation.
- Material Selection: High-speed roller chain couplings may use materials with lower mass and inertia to decrease the effects of centrifugal forces at high rotational speeds.
When selecting a roller chain coupling for high-torque or high-speed applications, it is essential to consider the specific operating conditions, torque requirements, rotational speeds, and any other factors that might impact the coupling’s performance. Consulting with coupling manufacturers or engineering experts can help identify the most suitable coupling for a particular application.
Torque and Speed Limits for Different Roller Chain Coupling Designs
The torque and speed limits of roller chain couplings can vary depending on their specific designs and construction materials. Some common factors that influence these limits include:
- Coupling Size: Larger roller chain couplings generally have higher torque and speed ratings compared to smaller ones.
- Construction Material: Couplings made from high-strength materials, such as stainless steel or hardened steel, can handle higher torques and speeds than those made from standard steel or other materials.
- Number of Strands: Roller chain couplings with multiple strands of roller chain can handle higher torques compared to single-strand designs.
- Operating Environment: The operating environment, including ambient temperature, humidity, and presence of contaminants, can affect the torque and speed capabilities of the coupling.
It is crucial to consult the manufacturer’s specifications and guidelines for each roller chain coupling model to determine its specific torque and speed limits. Exceeding the recommended torque and speed ratings may lead to premature wear, reduced efficiency, or even catastrophic failure of the coupling and connected equipment.
When selecting a roller chain coupling, it is essential to consider the application’s torque and speed requirements and choose a coupling that comfortably operates within those parameters. If the application demands high torques or speeds, it may be necessary to opt for larger or more robust coupling designs or explore alternative coupling types that better suit the specific requirements.
editor by CX 2023-11-16