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Failure analysis, 1. Hanging shaft. Found hanging shaft after the disintegration of plain bearings dead, hanging shaft cavity large amount of sludge. The reason is the large gap outlet hanging the shaft lumen of the air pressure is less than the milling chamber air pressure, so that the dust into the hanging shaft cavity. 2 milling chamber. The milling chamber downtime open some roll midnight turn without transfer roller and grinding ring collapse block analysis of roller bearings caused by poor lubrication, use the manual tray. Processing at Figure technology requirements, after processing each Pin NDT. 3, in order to ensure each dowel pin force uniform, to be re-processed motor wheel and compressor flywheel dowel pin hole. 4, to ensure that the coupling assembly precision motor and compressor concentricity requirements, develop reasonable disassembly, screw fastening studs should be using a torque wrench. 5, after the above measures are taken, the restructuring C1101 compressor running smoothly, Coupling Pin fracture accident does not happen again, the complete elimination of the hidden equipment.
