The so-called hydraulic filter generally includes three basic forms: air filter, oil filter, and fuel filter, which are commonly referred to as the "three filters". The air filter is often located in the intake system of the engine.
The basic technical requirements for hydraulic filters are as follows:
(1) The special material of its filter should have a certain mechanical strength to ensure that it is not damaged by hydraulic pressure under a certain working pressure.
(2) In specific work environments, it is essential to ensure sufficient stability and durability.
(3) The filter also needs to have good corrosion resistance.
(4) The equipment structure should be as simple as possible, and the size should be as fine and compact as possible.
(5) The replacement of the filter element is also very convenient, and cleaning and maintenance are easy.
(6) Low cost. The hydraulic oil first reaches the filter pipeline from the left side, flows continuously along the external filter element to the inside, and finally flows out from the outlet.
Factors and troubleshooting techniques for abnormal phenomena in hydraulic filters and cylinders:
1) Air penetrates the cylinder, and it must be equipped with an exhaust system or hydraulic cylinder to quickly move at maximum lift to expel the air.
2) Ensure that the hydraulic cylinder head is tightly sealed. The sealing ring needs to ensure sufficient sealing so that the plunger rod can be smoothly pulled by hand without leakage.
3) If there is a deviation in the coaxiality between the piston and the piston rod, it needs to be corrected and adjusted in a timely manner.
4) When the hydraulic cylinder is not parallel to the guide rail after installation, it needs to be adjusted or reinstalled in a timely manner.
5) If the piston rod is bent, it is necessary to calibrate the piston rod.
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