机匣组线加工装夹找正系统误差建模与精度优化方法

杜雪明, 向洋, 刘顺, 金隼

Modeling of Systematic Errors and Precision Optimization Methods for Workpiece Clamping and Alignment System in Aeroengine Gearbox Automated Line Machining

DU Xueming, XIANG Yang, LIU Shun, JIN Sun

表1 线性尺寸极限偏差数值

Tab.1 Limit deviation values for linear dimensionsmm

公差等级 公差范围 标称尺寸 0.5~3 mm 标称尺寸 3~6 mm 标称尺寸 6~30 mm 标称尺寸 30~120 mm 标称尺寸 120~400 mm 标称尺寸 400~1 000 mm f ±0.05 ±0.05 ±0.10 ±0.15 ±0.20 ±0.30 m ±0.10 ±0.10 ±0.20 ±0.30 ±0.50 ±0.80 c ±0.15 ±0.20 ±0.50 ±0.80 ±1.20 ±2.00 v - ±0.50 ±1.00 ±1.50 ±2.50 ±4.00