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target="_blank">玉田县永信机械制造有限公å?/a>您有所了解吗?今天玉田县永信机械制造有限公司的小编就给大家带来关于<a target="_blank" href="http://www.t5us2ar.cn/news/318.html">影响不锈钢铸件尺寸精准的因素</a>你知道吗的详细介绍,也让您对玉田县永信机械制造有限公司了解更å¤?p style="text-indent:2em;">1、铸件的结构:铸件壁厚,收缩率大,铸件壁薄,收缩率小,自由收缩率大,阻碍收缩率小ã€?/p><p style="text-indent:2em;">2、制壳的材料:不锈钢铸件采用锆英砂、锆英粉、上店砂、上店粉,因其膨胀系数小,仅为4.6×10-6/℃ã€?/p><p style="text-indent:2em;">3、型壳的焙烧:由于不锈钢铸件型壳的膨胀系数小,当型壳温度为1150℃时,仅ä¸?.053%ã€?/p><p style="text-indent:2em;">4、不锈钢铸件浇铸的温度:浇注温度越高,收缩率越大,浇注温度低,收缩率越小,因此浇注温度应适当ã€?/p><p style="text-indent:2em;">5、铸件材质:材料中含碳量越高,不锈钢铸件线收缩率越小,含碳量越低,不锈钢铸件线收缩率越大ã€?/p><p style="text-indent:2em;">6、制模对铸件线收缩率:射蜡温度、射蜡压力、保压时间对熔模尺寸的影响以射蜡温度最明显,其次为射蜡压力,保压时间在保证熔模成型后对熔模最终尺寸的影响很小不锈钢,影响不锈钢铸件尺寸精准的因素你知道吗蜡料的线收缩率约ä¸?.9-1.1%ã€?/p><p style="text-indent:2em;"> <span style="color:#0020FF;">您或许想要了è§?/span><span style="color:#0020FF;">ï¼?/span> </p><p style="text-indent:2em;">1、不锈钢铸件斜度以及圆角半径ï¼?/p><p style="text-indent:2em;">2、要标明不锈钢铸件表面缺陷深度的允许值,必要时还要注明锻件在加工表面时的表面缺陷深度允许值;</p><p 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