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加工精度对机械零件可靠性的影响 被引量:4

Processing accuracy's impact for mechanical reliability
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摘要 应用应力-强度分布干涉理论以及应力-强度发生干涉时的可靠度计算公式,分析了加工精度引起尺寸变化对机械可靠性的影响,结果表明,随着加工精度的提高,机械可靠性也提高,并且精度等级越高对可靠性的影响越小,从而为机械零件加工精度的选择提供了理论依据。 The impact of mechanical reliability caused by processing precision caused the dimension change was discussed by applying stress - intensity distribution interference theory as well as the formula of relia-bility when the stress - intensity distribution intervened with each other. The conclusions indicated that the mechanical reliability would be enhanced along with the processing precision enhancement; the precision class was higher, the influence to reliability was smaller. This provided theoretical basis for choosing mechanical parts' processing precision.
出处 《河北工程大学学报(自然科学版)》 CAS 2007年第3期29-31,共3页 Journal of Hebei University of Engineering:Natural Science Edition
关键词 机械设计 加工精度 可靠性 mechanical design processing accuracy reliability
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参考文献5

二级参考文献3

  • 1濮良责.机械设计[M].北京:高等教育出版社,1991..
  • 2徐濒.概率疲劳[M].沈阳:东北大学出版社,1994.
  • 3徐濒.疲劳强度[M].北京:高等教育出版社,1990.

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