公开(公告)号：US20220106660A1

公开(公告)日：2022-04-07

申请号：US17493484

申请日：2021-10-04

申请人： HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  SEOHAN INDUSTRY CO., LTD. ,  KOREA FLANGE CO., LTD

发明人： Jeong Lyul Park ,  Wonkew Ban ,  Hyun Ho Yim ,  Chang-Gu Lee ,  Min-Gyu Kim

IPC分类号： C21D9/40 ,  C21D1/42 ,  C21D9/00 ,  C21D1/18 ,  F16D3/205

摘要： A method for manufacturing a trunnion for a constant velocity joint, the trunnion having a plurality of journal units provided outside around a hub unit, the method including a first step of manufacturing the trunnion, a second step of thermally treating a rounded outer circumferential surface of the journal unit, and a third step of thermally treating a connection unit disposed between the journal unit and the hub unit and having a diameter smaller than that of the journal unit.

公开(公告)号：US11746394B2

公开(公告)日：2023-09-05

申请号：US17493484

申请日：2021-10-04

申请人： HYUNDAI MOTOR COMPANY ,  KIA CORPORATION ,  SEOHAN INDUSTRY CO., LTD. ,  KOREA FLANGE CO., LTD

发明人： Jeong Lyul Park ,  Wonkew Ban ,  Hyun Ho Yim ,  Chang-Gu Lee ,  Min-Gyu Kim

IPC分类号： C21D9/40 ,  C21D1/42 ,  F16D3/205 ,  C21D1/18 ,  C21D9/00

CPC分类号： C21D9/40 ,  C21D1/18 ,  C21D1/42 ,  C21D9/0062 ,  F16D3/2055

摘要： A method for manufacturing a trunnion for a constant velocity joint, the trunnion having a plurality of journal units provided outside around a hub unit, the method including a first step of manufacturing the trunnion, a second step of thermally treating a rounded outer circumferential surface of the journal unit, and a third step of thermally treating a connection unit disposed between the journal unit and the hub unit and having a diameter smaller than that of the journal unit.