1. High power density, compact structure and light weight.
2. The transmission is stable, stepless speed regulation can be realized, and the speed regulation range is large.
3. The hydraulic components are light in weight, small in inertia moment, and realize high frequency commutation.
4. The components are used for a long time and can realize overload protection.
5. The hydraulic components have been standardized and have good versatility.
The hydraulic transmission efficiency is low, the speed ratio is not as accurate as the mechanical transmission, the temperature is greatly affected when working, it is not suitable to work under very high or very low temperature conditions, the manufacturing accuracy of hydraulic components is high, the cost is high, and the hydraulic transmission system appears. It is difficult to find out the cause of the failure.
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