centrifugal compressor
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There are friction marks on the outer edges of two of the first-stage blades of a centrifugal compressor. What is the cause?
It is formed by the impact of particle impurities and moisture. For reference.
Are there no other parts of the impeller? First eliminate dynamic and static friction
There are no other positions, only two blades in this impeller
It is necessary to have the working medium conditions of the compressor in order to make a reasonable and comprehensive judgment.； As well as the working cycle of the impeller, whether it is disassembled and inspected for the first time, etc., make a systematic introduction. What cannot be ignored is that the impeller manufacturing process will leave some traces, which should be paid attention to.
This kind should be evenly worn. This one only has two pieces of one impeller.
There are different types of wear, including particle impurities in the medium and wear on the mechanical fit. This can only be caused by the wear of impurities in the medium, or it can be called impact. If there are only two blades, it can only be said to be an uneven condition left by casting, but it does not affect the dynamic balance. Such a cast impeller is not very precise, except for the dynamic balance, which can be seen. For reference.