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Abstract：
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Free-forging process of five staggers crankshaft with complex phase was introduced.The 108° and 144° illequal crank angles were adopted in forging design,and three different forging plans were comparative analyzed.The production results show that instability phenomenon appears under stretching crank block because metal fiber of post-deformation blocks edge is cutted with turning crankshaft blank in 90°crank angle plan and ultrasonic inspection results are satisfied with turning crankshaft blank in the same crank angle plan.
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AuthorIntro：
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Reference：
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[1]秦飞虎,李德禄,高其烈,等.国产高水准整体式燃气摩托天然气压缩机[J].压缩机技术,2004,(1):14-17.
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[3]武喜怀.苏里格气田天然气压缩机组选型对比分析[J].石油仪器,2007,21(1):45-48.
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