Patent ID: 11881748
Assignee: KIA CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC H  B  Y | IPC B  H

Claim 7:
8. A method comprising:
unwinding a coil spiral-wound on an uncoiler;
forming a decoated portion by decoating a predetermined portion of the coil;
bending the coil in multiple stages to two-dimensionally form a leg portion and a head portion of a hairpin;
cutting the coil formed with the leg portion and the head portion by a predetermined length; and
moving the hairpin to be inserted into a stator core while three-dimensionally forming the head portion, wherein moving the hairpin to be inserted into the stator core while three-dimensionally forming the head portion comprises:
coupling a fixing block to a fixing chuck of a connection bracket while a molding jig is inserted into at least one damper;
loading the coil such that the head portion that has been two-dimensionally formed is interposed between the molding jigs;
three-dimensionally forming the head portion while the molding jigs are brought tightly close together by the at least one damper; and
moving the hairpin while three-dimensionally forming the head portion.