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劣弧圆柱面上向心圆周孔的加工

Jianbin Ma,Gang Zhang,Guangyong Dai

Aerospace Manufacturing Technology（2020）

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Abstract
航天小批量生产中劣弧圆柱面上向心圆周孔的生产加工存在准备时间长,孔位精度不易保证,检测结果随机误差大的问题.以角盒产品为例,分析了零件的结构特点和加工难点,介绍了劣弧圆柱面镗孔的装夹定位方法和镗孔刀位点的坐标计算方法,最后提出角盒产品劣弧圆柱面上孔位精度的检验方法.采用误差分析原理对检测数据分析,孔位测量数据符合3σ准则,使用该工艺方法加工的孔位精度能满足零件设计指标要求.
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