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目前生产的陀螺马达和微电机硅钢片零件,一般都是9～102个槽,其任意两槽的角度积累误差为±10′,模具则要求提高到±5′。原来制造模具采用的工艺方法,需要使用坐标镗床和曲线磨床等高精度机床,工艺过程繁杂,要求钳工装配技术水平高,制造周期一般均在三、四个月以上。零件槽数愈多,制造周期愈长,角度精度愈难以保证,是我厂模具生产中的“老大难”问题。
The current production of gyro motor and micro-motor silicon steel parts, are generally 9 to 102 slots, the angle of any two slots the cumulative error of ± 10 ’, the mold is required to increase to ± 5’. The original process used to manufacture molds, need to use coordinate boring machine and curve grinder and other high-precision machine tools, process complexity, requiring fitter assembly technology level, the manufacturing cycle are generally more than three months, more than four months. The more the number of parts slots, the longer the manufacturing cycle, the more difficult to ensure the accuracy of angle, is my factory mold production “unsolved” problem.