Ms Autotech Co., Ltd.

Myungshin Industry Co., Ltd.

Tae Kyu Lee

Hyun Woo Lee

Dae Ho Yang

Jang Soo Kim

Hong Kyo Jin

Jae Hyung Park

Jae Sin Yang

Provided is a hot stamping die apparatus including sub-assemblies constructed by making a plurality of plates erect and sequentially overlapping the plurality of plates in a face-to-face manner. A first cooling channel extending along overlapping surfaces is provided by forming grooves corresponding to each other on overlapping surfaces of adjacent plates, A second cooling channel passing through the corresponding sub-assembly in the length direction is provided in at least one of the sub-assemblies.

Hot stamping die apparatus

Provided is a method for manufacturing vehicle parts having ultra-high strength of 500 Mpa or more by using hot stamping. The method includes: forming a heated blank in a press forming apparatus; and taking out the formed blank from the press forming apparatus and consecutively cutting the blank with a trimming die. A blank temperature at the time of trimming may be 150&#xb0; C. to 330&#xb0; C.

Hot stamping method

Growing community of inventors

Seoul, South Korea

Tae Kyu Lee