目次前言1 范围 ........................................................................................................................................... 32 引用标准 ................................................................................................................................... 33 铸件加工及检验....................................................................................................................... 33.1质量保证 ................................................................................................................... 33.2铸造过程检验 ........................................................................................................... 43.2.1检验项目 ........................................................................................................... 43.2.2技术要求 ........................................................................................................... 43.2.3铸件的金相组织............................................................................................... 43.3铸件外观质量 ........................................................................................................... 53.3.1铸件的表面粗糙度........................................................................................... 53.3.2不允许的缺陷................................................................................................... 53.3.3允许的缺陷 ....................................................................................................... 53.3.4铸件不加工表面的质量要求........................................................................... 53.3.5铸件加工表面的质量要求............................................................................... 73.4铸件尺寸公差要求................................................................................................... 83.5铸件内部质量验收..........................................................................................
