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Author:

胡明清 (胡明清.) | 宇慧平 (宇慧平.)

Abstract:

针对刀柄装配后因过盈量而有可能破坏的问题,本文利用弹塑性理论进行理论分析,并采用ANSYS进行了数值模拟。模拟中采用轴对称单元,接触应力的计算通过过盈量来实现。刀柄材料为20CrMnTi和15CrMo,加压环材料为SKD61,材料采用双线性模型。计算结果表明:两种材料的刀柄结构均在下端环缺口内侧发生塑性变形,15CrMo的塑性变形明显大于20CrMnTi;此刀柄装配结构的危险点在上端轴肩及底部环形缺口附近区域,等效应力超过两种材料的屈服强度,易出现裂纹而损坏。

Keyword:

过盈配合理论 屈服强度 刀柄装配结构 数值模拟

Author Community:

  • [ 1 ] [胡明清]北京工业大学机电学院
  • [ 2 ] [宇慧平]北京工业大学机电学院

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Source :

Year: 2014

Page: 475-476

Language: Chinese

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 0

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