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gai shan re chu li che jian chan pin zhi liang guan li de kao he cuo shi
Author(s): 
Pages: 60
Year: Issue:  7
Journal: Heat Treatment of Metals

Keyword:  直接影响提高产品质量热处理车间游标卡尺磨削裂纹应力腐蚀裂纹尺寸稳定性产品质量管理切削力热处理质量;
Abstract: <正> 我厂是生产游标卡尺的厂,在生产中深切体会到卡尺热处理质量好坏不仅影响切削力、磨削裂纹、应力腐蚀裂纹和尺寸稳定性,而且直接影响其使用寿命和精度。为提高游标卡尺的质量,我们在改善质量管理上作过许多努力,并取得了一定的经验。我厂以往的热处理质量水平,只限于合格与不合格之分,完成产量保工资,超产部分拿奖金。照此下去超产越多,最后装配的卡尺成品出现的变形、断裂和精度不稳定等
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