National Kaohsiung First University of Science and Technology

Kuan-Yu Su

Cheng-Yu Yang

Bor-Tsuen Lin

Huai-Xiang Liu

A forming die with a flexible blank holder is provided. The forming die includes an upper die set, a lower die set, and a blank holder with a flexible pad. The upper die set has an upper die base and an upper die insert provided on the upper die base and has a cavity surface. The lower die set has a lower die base, an elastic member on the lower die base, and a lower die punch on the lower die base. Guide posts are provided between the upper die set and the lower die set to define relative positions of the two die sets. Through relative movement of the upper and the lower die sets, a blank placed on the blank holder there between is formed by forming. During the forming, the flexible pad is tightly pressed against the blank under the pressing force of the elastic member.

Growing community of inventors

Kaohsiung, Taiwan

Kuan-Yu Su