Stator manufacturing apparatus for forming wires in twisted shape

摘要

In a twisting formation apparatus (100) having an inside jig (3) provided in a ring shape with inside holding portions (35) for folding one of the straight portions (11) of a near letter U shaped wire (10) and an outside jig (4) provided in a shape of ring concentric with that of the inside holding portions (35) with outside holding portions for folding the other of the straight portions (11), the connecting portion of the near letter U shaped wire being formed in a twisted shape by rotating relatively the inside and outside jigs (3) and (4), the apparatus has a biasing mechanism for urging leading ends of the straight portions (11) and the connecting portion (12) in a contracting direction.