What are the reasons why the outlet pressure of the air compressor cannot be increased?
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The workshop is equipped with a ultra-fine air jet milling system, with an operating pressure of 0.75 MPa. The air supply is provided by a 26 m3 air compressor; since the system has been in use for a long time, the compression capacity is sufficient to meet the system’s air demand. The milling head was installed just 2 days ago (and then sent back to the factory for major repairs). During the night shift, the system pressure suddenly dropped. It was checked that the air compressor was in automatic mode, but the system pressure continued to decline gradually until the system could no longer function. It was confirmed that there were no signs of leaks in the system. Could it still be a problem with the compressor? I would appreciate any clues from fellow users. Thank you!
The unloading valve at the compressor outlet is not open
Well, the maintenance team at the company worked on it for a day but was unable to find the specific cause; the valve adjustment is normal and no issues were detected in the system. I called the manufacturer for advice; they all think it’s a problem with the newly installed head.