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芯型支撐壓出制品的尺寸公差

2014-09-09 16:08 作者:管理員17 來源:未知 瀏覽: 字號:

摘要:4.2.2芯型支撐壓出制品的尺寸公差 作為切割成環或墊圈的中空壓出制品(通常是 膠管),其內徑尺寸要求比無芯硫化制品更為嚴格的 公差.則可采用內芯支撐硫化。制品從芯棒上取下時 常常發生收縮,故制品的最終尺寸比其芯棒外徑尺寸 要小些。收縮量取決于所用膠料

4.2.2芯型支撐壓出制品的尺寸公差
    作為切割成環或墊圈的中空壓出制品(通常是
膠管),其內徑尺寸要求比無芯硫化制品更為嚴格的
公差.則可采用內芯支撐硫化。制品從芯棒上取下時
常常發生收縮,故制品的最終尺寸比其芯棒外徑尺寸
要小些。收縮量取決于所用膠料的性質及工藝條件。
    如果供而雙方同意,制品內徑尺寸正公差就是相
應的芯捧外徑尺寸公差。
    芯型支撐壓出制品的內徑尺寸公差見表4.8-7。
其他尺寸公差見表4.8-6。
芯型支撐的壓出制品內尺寸公差
(責任編輯:laugh521521)
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