【摘 要】
：
我所生产的某型雷达产品中有一个大壳体和两个支臂,材质为70SS高强度铸铝合金,是雷达的主体部件.原工艺为3件单独加工完后,再装配在一起,单件的加工精度要求高,且装配后的尺
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我所生产的某型雷达产品中有一个大壳体和两个支臂,材质为70SS高强度铸铝合金,是雷达的主体部件.原工艺为3件单独加工完后,再装配在一起,单件的加工精度要求高,且装配后的尺寸精度不易保证.为此,我们决定将3个铸件合在一体整体铸造,其外形尺寸为1 560×1 260×860(mm),是我所多年来生产的最大最复杂的一个铸件,没有先例,其铸造工艺过程特别复杂.
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