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  • September 2018
  • January 2018

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丝锥攻丝过程中常见问题及解决措施

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冷镦件认知

吴肖武 cd36b240-b761-1036-8dd9-ef16cba5f6da wxiaowu@kinlong.cn | ‎ | 2 Comments ‎ | 94 Views

什么是冷镦:

     金属在常温下,借助模具进行镦锻完成金属塑性变形,达到规定的几何形状、尺寸及质量要求的工艺方法。

冷镦变形方式: 

    冲切---辗压---正挤压---反挤压---复合挤压

冷镦的优点:

   1、 钢材利用率高:利用率可高达85%~95%;

   2、生产率高:与切削加工相比,冷镦成型效率要高出几十倍以上,冷镦机生产效率80~250件/分钟;

   3、机械性能好:保持了金属纤维组织的完整性,由于金属纤维未被切断,因此强度要比切削加工的优越得多;

  4、适于自动化生产:适宜冷镦(挤)方法生产的零件,基本属于对称性零件,是在批量生产的主要方法;

  5、减轻了工人的劳动强度;

Modified on by 吴肖武 cd36b240-b761-1036-8dd9-ef16cba5f6da wxiaowu@kinlong.cn
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