角部雨檐新型成形工艺与模具设计

A new forming technique and tool design for the corner rain eaves

角部雨檐是铁路客车车体关键零部件,由于板料成形各处变形相差较大,制件成形后产生翘曲和边线参差不齐等诸多质量问题。本文全面分析了角部雨檐原有成形工艺及成形需要克服的难点,提出了一种全新的成形工艺和模具结构,并应用在生产实际中,取得良好效果。

The former forming process of corner rain eaves and the difficulties to be overcome have been analyzed in the text. A new forming technology and tool structure have been put forward, and applied into the practical production. It achieves good effect.