A round draw bead can prevent the forming of inner wrinkles.
环形拉深筋经常用来内皱。
The paper suggested a draw bead model in which Bauschinger effect and incline of neutral layer were taken into account.
建立了考虑板料中性层偏移、包辛格效应等因素的拉延筋解析模型。
Proper layout of draw bead is one of the key ways on controlling forming quality of ram parts in automobile panel formation.
合理布置拉延筋是汽车覆盖件成形中控制冲压件成形质量的主要手段之一。
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