1 College of Mechanical Engineering & Automation, Northeastern University, Shenyang 110819; 2 National Key Laboratory for Remanufacturing, Academy of Armored Forces Engineering, Beijing 100072
As a critical transmission part, crankshaft is widely used in automobiles, coal mines, ships, chemical, petrochemical and other fields. The quality of crankshaft directly influences the performance of the work system. Typical failure modes of crankshafts were presented and the feasible causes were analysed. Crankshaft repairing and remanufacturing technologies such as coating technique, welding technique, laser cladding technique, thermal spraying technique and remelt technique of sprayed coating layer were systematically summarized and discussed. The advantages and application status of high speed arc spraying technique in crankshaft remanufacturing were mainly introduced. The current problems of crankshaft maintenance and remanufacturing are pointed out and development trend of crankshaft remanufacturing was prospected in this paper.
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2018, Vol. 32 
