简介:摘要:文章主要介绍了我司生产大型曲面壳体铸件在受到工艺装备,无砂箱及型板且起吊设备超重等多方考验的情况下,采用地坑组芯造型法,对砂芯、型尺寸、砂型强度、熔炼烧注等质量要点进行严格控制,从而降低了工艺装备的投入,保证了铸件的产品质量。
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