How to reduce the noise of Hydraulic punching and shearing machine

1. Ensure that the combined punching and shearing machine is always in good technical condition.
2. Ensure the integrity and reliability of the working parts of the punching and shearing machine. In particular, the exhaust pipe should be installed well, because most of the exhaust pipes are equipped with silencers, which will reduce a large part of the noise.
3. Prevent the parts from loosening, which will cause vibration.
4. Do a good job in the maintenance and inspection of the combined punching and shearing machine. Add qualified lubricating oil and grease according to regulations to prevent dry friction or semi dry friction caused by poor lubrication of relative moving parts and increase noise.
5. Keep good fit clearance relative to moving parts. The driver must assemble or adjust according to the technical requirements.
6. Do not change the oil supply quantity at will. If the fuel supply volume becomes larger, the fuel injected into the cylinder will not burn completely, which not only wastes the fuel, pollutes the air, but also increases the noise of the tractor.
The oil supply advance angle should be adjusted accurately. The accuracy of oil supply advance angle adjustment not only directly affects the power of the combined punching and shearing machine, but also affects the noise of the combined punching and shearing machine. We often meet some combined punching and shearing machine in the emission of exhaust gas when the sound is particularly loud, often accompanied by “Pa, Pa” sound, this is because the oil supply advance angle is too large.

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