At winding, the windingring and iron core move relatively to directly wind the secondary wire onto the iron core.
绕线时，绕线环与铁芯相对运动，将二次线直接绕在铁芯上。
2
Oscillation transformer are usually made on the ring ferrite core coil winding, is actually a current transformer.
振荡变压器通常是在环形铁氧体磁芯上绕线制成，实际上是一个电流互感器。
3
Spindle is a main part that provides twisting and winding in ring spinning frame. Its dynamic character directly influences quality of yarn, energy consumption of mills and operator's health.