纺织学报 ›› 2005, Vol. 26 ›› Issue (1): 20-21.

• 分析探讨 • 上一篇    下一篇

硬质合金化纤切断刀失效原因的试验分析

原一高,朱世根   

  1. 东华大学机械工程学院 上海200051
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2005-02-15 发布日期:2005-02-15

Failure analysis of hard alloy cutter blades for cutting chemical fibers

YUAN Yi-gao;ZHU Shi-gen   

  1. College of Mechanical Engineering;Donghua University;Shanghai 200051;China
  • Received:1900-01-01 Revised:1900-01-01 Online:2005-02-15 Published:2005-02-15

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摘要： 用台式投影仪、电子扫描显微镜、锋利度测定仪等实验仪器 ,对涤纶短纤维切断刀的失效原因进行了研究。结果表明 ,化纤生产中 ,纤维对硬质合金切断刀的磨损不是影响切断刀钝化的主要原因 ,刃口上产生的微缺口 ,导致了化纤切断刀的最终失效。

Abstract: Studied the failure of hard alloy cutter blades with table projector, SEM and sharpness tester.The results show that the wear of cutting edge is tiny a nd generated a lot of small notches on the cutter edges during the production o f cut fibers.These notches reduced the sharpness of cutter blades serivously and resulted in failure of blades as contrasted with wear.

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