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一九七三年,上海电机厂、杭州发电设备厂和我院组成三结合小组,经过一年的努力,设计并试制成功了JR系列异步电动机转子铜排线圈拉形机。一台样机已在上海电机厂试用,另一台样机亦在杭州发电设备厂安装调整。这台铜排线圈拉型设备适用于JR系列异步电动机#11～17机座的转子铜排成型。它是利用铜排的塑性变形原理,边拉弯角,边出弧形以实现铜排的一次成形,使原来三道工序改为一道工序,提高工效三倍。
In 1973, Shanghai Electric Machinery Factory, Hangzhou Power Generation Equipment Factory and our hospital formed a triple combination group. After one year of hard work, the JR series asynchronous motor rotor copper wire coil winder was successfully designed and manufactured. A prototype has been trialled in Shanghai Motor Factory, another prototype is also installed in Hangzhou Power Plant to adjust. This copper wire coil drawing device is suitable for rotor copper wire forming of JR series asynchronous motor # 11 ~ 17 bases. It is the use of the principle of plastic deformation of copper, while pulling the corner, the edge of the arc in order to achieve a copper forming, so that the original three processes into a process to improve work efficiency three times.