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Compared with other hydraulic drives, cycloidal hydraulic motors have the following differences:
The working principle is different: the cycloidal hydraulic motor uses the cycloidal CAM principle to convert the rotating motion into linear motion, and then converts the linear motion into rotating motion through the hydraulic cylinder. Other hydraulic transmission devices usually use hydraulic motors or hydraulic cylinders to directly convert hydraulic energy into mechanical energy.
The structure design is unique: the cycloidal hydraulic motor is composed of cycloidal CAM, cycloidal gear, cycloidal rack, etc. Its unique structural design makes its torque output smooth, no impact, no vibration, and a wide range of speed, up to several thousand RPM. The structure of other hydraulic transmission devices is relatively simple, and the torque output is not smooth enough.
High utilization rate: The efficiency of cycloidal hydraulic motor supply is usually higher, which can reach more than 90%, while the efficiency of other hydraulic transmission devices is generally low.
Strong carrying capacity: cycloidal hydraulic motor has a large carrying capacity, strong adaptability to external pressure changes, and can work stably under high pressure. The carrying capacity of other hydraulic transmission devices is relatively low.
High precision: cycloidal hydraulic motor has a high transmission accuracy, can achieve fine position control and speed control. The transmission accuracy of other hydraulic transmission devices is poor.
Low noise: cycloidal hydraulic motor in the working process of low noise, with a good mute effect. Other hydraulic drives are usually noisier.
Fast response to load change: cycloidal hydraulic motor load change response speed is fast, can quickly achieve load acceleration, deceleration and reverse operations. The load change response speed of other hydraulic transmission devices is relatively slow.
Low maintenance costs: cycloidal hydraulic motor because there is no hydraulic cylinder sealing problem, cycloidal hydraulic motor company maintenance costs are relatively low. However, other hydraulic transmission devices have higher maintenance costs due to the large loss of seals and other components.
Less internal leakage: The cycloidal hydraulic motor has less internal leakage, less energy loss, and can convert hydraulic energy into mechanical energy more effectively. The internal leakage of other hydraulic transmission devices is relatively large.
In general, cycloidal hydraulic motors have the advantages of higher working efficiency, greater carrying capacity, higher transmission accuracy and better noise control compared with other hydraulic transmission devices, and are suitable for occasions with higher transmission accuracy requirements, such as tool machines, CNC machine tools and so on. However, due to its complex structure, high manufacturing process requirements and expensive price, the application range is relatively limited.
