Time : 2023-04-22 Browse : 13
In the machinery manufacturing, processing and other industries, speed-regulating hydrodynamic couplings are widely used. Bearings, as their key components, directly affect the life of the equipment. Since the variable speed turbo coupling transmits large power and high speed, once the bearing fails, the whole machine will not work. Therefore, it is very important to avoid frequent wear of the bearing. The specific methods are as follows:
I. Select High-Quality Barings and Supporting Equipment
Bearing quality is the basis for avoiding wear. When purchasing equipment, you should choose fluid couplings with good quality of each component. For example, the YOTcs580 box-type YOTC variable speed hydraulic coupling produced by Mingyu uses sliding bearings, which can effectively reduce wear problems during operation, ensure stable operation of the equipment, and reduce the risk of bearing failure.
II. Ensure that the Equipment Operating Environment is Suitable
The speed-regulating hydraulic coupling will generate heat due to slip during operation (for example, when the transmission ratio i=0.66, the relative efficiency loss is the largest, η=97%). After the working fluid is heated, it needs to be cooled by the cooler and then sent back to the working chamber through the oil supply system. To ensure the normal operation of the cooling system, avoid excessive working fluid temperature affecting bearing lubrication and performance, and reduce bearing wear caused by high temperature.

III. Standardized Operation and Maintenance
Reasonably control operating parameters: Through electric actuators, servo amplifiers, automatic speed measuring devices and other control instruments, implement on-site manual, remote control and other automatic control of the speed-regulating hydraulic coupling to ensure that the equipment operates within the specified parameter range and avoid aggravation of bearing wear due to abnormal fluctuations in speed and power.
Regular inspection and lubrication: Regularly check the lubrication of the bearings, add appropriate lubricants as required, ensure that the bearings are in a good lubrication state, and reduce friction and wear. At the same time, check whether the bearings are running smoothly, and promptly detect and deal with abnormal conditions.
Pay attention to the starting and speed regulation process: YOTC speed-regulating fluid couplings can set the starting time of the working machine according to the operating requirements. The starting process should be operated smoothly to avoid additional load on the bearings due to the starting impact. In the process of stepless speed regulation, ensure that the speed regulation operation is standardized to reduce the wear of the bearings caused by frequent changes in speed.
Through the above measures, the frequent wear of the variable speed hydraulic coupling bearings can be effectively avoided, the service life of the equipment can be extended, and its stable operation on equipment such as boiler feed pumps and belt conveyors can be guaranteed, giving full play to its advantages such as stepless speed regulation, power saving (power saving rate 20~40%), and easy automation control.