The hot zone is formed by cutting a double spiral slot which reduces the cross sectional area through which current flows, resulting in higher resistance than the cold end.

发热部是双螺旋切槽，在电流通过时可以减少其横截面积，因而发热部的阻值比冷端部的阻值大。

youdao

Introduce the design of a cold-bending machine forming craft and working process of cutting for wire slot products.

介绍了护线槽产品的冷弯机械成形工艺的设计及切断的工作过程。

youdao

Features: certain width coil paper automatic insertion to armature open slot, automatic graduation, automatic cutting off, PLC and touching screen operation.

特点：采用卷纸定宽度对电枢开口槽进行自动打入，自动分度，自动切断，PLC程控，触摸屏操作。

youdao