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供机械化生产线上绕制电动机绕组用的漆包线应具有一定的弹性,当去掉拉力后,线不回弹,也不会在绕组和转子槽壁之间出现空隙。用拉力试验方法测定的漆包线机械性能不一定完全代表其绕线性能。譬如说,漆包线的伸长率确实是个十分重要的参数,可是它并不是确定漆包线弹性的唯一参数。又譬如,用同一批漆包线绕制电动机转子线圈时发现,尽管漆包线的伸长率全都符合技术要求,但不一定所有的线圈都能嵌满转子的线槽。然
For mechanized production line winding motor winding enameled wire should have a certain elasticity, when the pull is removed, the line does not rebound, it will not appear in the gap between the winding and the rotor slot wall. The mechanical properties of enameled wires, as determined by the tensile test method, do not necessarily completely represent their winding properties. For example, the elongation of enameled wire is indeed a very important parameter, but it is not the only parameter that determines the elasticity of the enamel wire. In another example, when using the same enameled wire to wind a motor rotor coil, it is found that although the elongation of the enameled wire meets all the technical requirements, not all the coils may fill the rotor’s wire slot. Of course