Friends who have used hydraulic oil cylinders may know that oil cylinders need to be exhausted, but there are not many reasons for clear exhaustion, so why should hydraulic cylinders be exhausted? When the oil in the hydraulic cylinder of the engineering machinery is chaotic into the air, it will cause abnormal phenomena such as crawling or shaking of the piston. These anomalies are partly due to the influence of air in the oil, partly due to the jumping phenomenon of the flow control valve and the sealing of the hydraulic cylinder. Especially in power head feed hydraulic cylinders such as machine tools, the problem of exhaust should be paid more attention to. The above is the reason why the hydraulic cylinder needs to be vented. In addition, we have to explain it in particular: Generally, the exhaust device should be installed at the uppermost part of the hydraulic circuit, but not necessarily on the hydraulic cylinder of the construction machinery. However, when the hydraulic pressure is selected, it is necessary to indicate which part of the hydraulic cylinder is required or not for the exhaust device.
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