Due to its large transmission force and easy transmission and configuration, hydraulic pressure is widely used in industrial and civil industries. Hydraulic System Actuators Hydraulic cylinders and hydraulic motors function to convert the pressure energy of a liquid into mechanical energy to achieve the desired linear reciprocating or swiveling motion.
Hydraulic advantages
Compared with mechanical transmission and electric transmission, hydraulic transmission has the following advantages:
1. Various components of hydraulic transmission can be arranged conveniently and flexibly according to needs.
2. Light weight, small volume, small motion inertia and fast reaction speed.
3, convenient control and control, can achieve a wide range of stepless speed regulation (speed range up to 2000:1).
4, can automatically achieve overload protection.
5. Generally, mineral oil is used as the working medium, and the relative moving surface can be self-lubricated and has a long service life.
6, it is easy to achieve linear motion.
7. It is easy to realize the automation of the machine. When the electro-hydraulic combined control is adopted, not only can a higher degree of automatic control process be realized, but also remote control can be realized.
Hydraulic disadvantage
1. The efficiency is low due to the resistance of the fluid flow and the large leakage. If not handled properly, the leak will not only contaminate the site, but it may also cause fire and explosion.
2. Since the working performance is susceptible to temperature changes, it is not suitable to work at very high or low temperature conditions.
3. The manufacturing precision of hydraulic components is relatively high, so the price is relatively expensive.
4. Due to the leakage of liquid medium and the influence of compressibility, a strict transmission ratio cannot be obtained.
5. It is not easy to find out the cause when the hydraulic transmission fails; the use and maintenance requirements have a higher technical level.
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Label: Comparison of advantages and disadvantages of hydraulic transmission
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