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Cracks frequently occur due to the torsional vibration for 6M50 type reciprocating piston compressors. In this paper, a comprehensive study is performed through finite element analysis software-ANSYS to solve the cracking problems of crankshaft vibration. Dynamic simulation of crankshaft torsional vibration was done and the results were analyzed. Finite element modeling process of compressor crankshafts...
Crack of crankshaft and scuff of bearing have been the bottleneck for the development of large-scale reciprocating compressor. To solve such problems, modal and dynamic response analyses are performed for the crankshaft system. Torsional model shapes and stress status are obtained, which shows that the crack of original crankshaft results from fatigue damage and slight torsional vibration, and two...
The crankshaft of a six-crank reciprocating compressor frequently cracks during operation station. After the diameter of main shaft being magnified, this problem is not solved while new one appears, i.e., the unit vibrates strongly and the Crank bearing scuffs continuously at the 1st and 2nd crank. To explain the exact reason and modify the configuration of compressor, analysis of modal and dynamic...
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