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通过正交试验方法，测试了综合强化技术──联合采用挤孔、过盈、预拉等单项强化方法处理滚子链以提高其疲劳强度的作用与效果，分析得出最优水平、显著性因素，给出各因素的交互作用等，证明综合强化技术是比单项强化方法效果更为显著的强化方法。
Through the orthogonal test method, the effect and effect of the comprehensive strengthening technology - the joint use of the single strengthening method such as extrusion, interference and pre-drawing to handle the roller chain to improve its fatigue strength were tested. The optimal level and the significance Factors, given the interaction of various factors, etc., to prove that the comprehensive reinforcement technology is more effective than the single reinforcement method to strengthen the method.