Stator coil winding and lead wire placing method and apparatus

Details Stator coil winding and lead wire placing method and apparatus Stator coil winding and lead wire placing method and apparatus

H - Electricity

02

K

H02K 15/085 (2006.01) H02K 15/095 (2006.01) H02K 15/00 (2006.01)

Patent

CA 2210845

When a stator start wire is held outwardly away from a stator pole piece as a stator coil is being wound, the segment of wire, termed the first end turn herein, extending from the outwardly-placed start wire across the front end face of a stator being wound may interfere with the proper formation of the coil. Such interference is reduced or eliminated by extending the first end turn over a movable slack wire forming blade. When the slack wire forming blade is initially engaged with the first end turn, it pivots with the front placing blade to move the start wire away from the pole piece and increase the length of the first end turn. After the coil is partially wound, the slack wire forming blade is moved away from engagement with the first end turn so that the first end turn becomes slack and, therefore, does not interfere with the completion of the winding or the coil.

Lorsque le fil de départ d'un stator est tenu à l'écart de la pièce polaire durant le bobinage du stator, le segment de fil, nommé aux présentes première spire terminale, allant du fil de départ le plus éloigné et passant devant la face antérieure du stator en cours de bobinage, celui-ci peut interférer avec la formation de la bobine. Cette interférence peut être réduite et même éliminée en passant la première spire terminale par-dessus une lame de formage de fils lâches. Au premier contact de la lame de formage de fils lâches avec la première spire terminale, la lame de formage pivote avec la lame avant, de manière à éloigner la première spire terminale de la pièce polaire tout en augmentant la longueur de la première spire terminale. Lorsque le bobinage est partiellement complété, la lame de formage de fils lâches est éloignée de la première spire terminale qui, devenue lâche, n'interfère plus avec l'opération de bobinage du stator.

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