The screw air compressor realizes air compression through the joint motion of screw rotors such as meshing with each other. In the processing and operation of screw air compressor, the presence of some particles will cause bearing wear, increase rotor clearance, reduce compression efficiency, and even lead to rotor death. This will affect the relevant annexes. In addition, even if carefully maintained, a long period of production operation after screw air compressor, many moving parts and support parts may be damaged to a certain extent, resulting in unstable operation status and working capacity of screw air compressor, and may even affect the normal use of the machine and the smooth operation of production and processing.
Failure of spare parts has also become an inevitable phenomenon in mechanical applications. In the case of failure, wear and damage, the treatment of damaged parts can be divided into maintenance and replacement. How to choose the treatment method of fault parts is related to the economic benefits of processing enterprises. For parts that can continue to be used or processed, maintenance methods should be selected for processing, which is conducive to saving the maintenance cost of the machine. In the process of maintenance, if a reasonable method is adopted, not only the function of parts can be restored, but also the performance of parts can be improved.
However, due to safety considerations, if long-term use wear and tear is serious, some areas lose a large number of raw materials. It is not only the significance of repair, but also may lead to the overall strength of parts is insufficient, due to the difference between repair materials and raw materials.
Regarding the breakage and invalidation of replacement cost is not high or parts are standard parts and batch consuming parts, because these parts are mostly products consumed in batch by consumption line, consumption cost and price are not high, and the price of some products may be lower than the cost of repairing and reprocessing, so the method of replacement parts can be adopted.
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