对拖拉机、汽车发电机定子铁心卷叠加工工艺的若干关键技术作了较为全面的论述，并归纳出有实用价值的带料展开齿节距计算式。
It is the technology of coiling metal strips to produce stator cores of direct current dynamo used in tractors and automobiles being paid great attention increasingly in our country.
开卷机由变频器驱动，可实现对卷料的自动开卷；
The products could be uncoil automatically by the uncoiler which was drove by frequency converter.
冷轧成型机，是以金属薄板或卷料为原料。
Cold rolling machine is to form a metal coil with Numbers of rollers.
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