US 12,463,512 B2
Method of inserting a hairpin
Seung Min Choi, Gunpo-si (KR)
Assigned to Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Dec. 26, 2023, as Appl. No. 18/396,303.
Application 18/396,303 is a division of application No. 17/828,369, filed on May 31, 2022, granted, now 11,881,748.
Application 17/828,369 is a division of application No. 16/994,999, filed on Aug. 17, 2020, granted, now 11,356,004, issued on Jun. 7, 2022.
Claims priority of application No. 10-2020-0077599 (KR), filed on Jun. 25, 2020.
Prior Publication US 2024/0128842 A1, Apr. 18, 2024
Int. Cl. H02K 15/064 (2025.01); B21D 7/06 (2006.01)
CPC H02K 15/064 (2013.01) [B21D 7/06 (2013.01); Y10T 29/49002 (2015.01); Y10T 29/49009 (2015.01); Y10T 29/53161 (2015.01)] 5 Claims
OG exemplary drawing
 
1. A method for molding a hairpin inserted into a stator core using a clamping unit that includes a connection bracket mounted on a front end of a robot arm and at least one clamper mounted on the connection bracket, the method comprising:
reciprocally driving the clamping unit in opposite directions in a straight line; and
press molding a head portion of the hairpin using a molding jig driven by the at least one clamper.