汽车三柱槽壳反挤压工序模拟及模具寿命提高

任燕, 石炳欣

Simulation of backward extrusion process and improvement of mold life for automobile three-column groove shell

Ren Yan, Shi Bingxin

锻压技术 . 2023, (8): 96 -103 . DOI: 10.13330/j.issn.1000-3940.2023.08.014