Through the improvement of the piercing die for the wave-shaped cage, cage positioning became accurate, the positiontolerances of rivet holes were ensured, and technical requirements were met.
通过对浪形保持架冲孔模的改进，保持架定位准确，保证了铆钉孔位置公差，达到了工艺要求。
3
The position and orientation errors of the robot end effector are caused by a number of factors such as tolerances in manufacturing and assembly, mechanical transfer errors and so on.