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。
Several key technologies were analyzed such as description of draw bead, establishing of performance evaluation, and orthogonal experiment.
详细分析了其中的几项关键技术：拉延筋的描述、性能评价指标的建立和正交实验法确定训练样本。
The application of equivalent draw beads to sheet forming blank design is studied and the ideal of blank design using revering method combined with equivalent draw bead is conceived.
研究了在板料成形毛坯设计中加入等效拉延筋进行计算的毛坯设计方法，提出了利用反向方法结合等效拉延筋进行毛坯设计的设计思想。
By the simulating analysis to CAE drawing software, adding draw bead restraining mold is applied on the area of deficient stretching, the eligible products are produced finally by die testing.
经过CAE拉伸软件的模拟分析，对于拉伸不足的区域采用增加拉伸筋的方式，通过试模最终加工出合格的零件。
The complementary surface is built through the method of index of similar event , the position of draw bead and stamping direction and others process parameters are made certain at the same time.
通过事例检索，设定了工艺补充面形状、拉延筋排布位置以及冲压方向等工艺参数；
The design of auto-body forming process commonly includes edge un-wrapping, choice of drawing direction, roughcast reckoning, design of addendum, adding the binder surface and setting the draw bead.
覆盖件拉延工艺的设计一般包括以下内容：翻边展开、拉深方向选择、坯料估算、工艺补充面的搭建、压料面的添加以及拉深筋的布置等等。
This paper studied how to apply the equal effective draw-bead to blank design, put forward that the blank design should combine with the effect of the draw-bead.
研究了等效拉延筋在板料成形毛坯设计中的应用，提出利用反向方法结合等效拉延筋进行毛坯设计的设计思想。
This paper studied how to apply the equal effective draw-bead to blank design, put forward that the blank design should combine with the effect of the draw-bead.
研究了等效拉延筋在板料成形毛坯设计中的应用，提出利用反向方法结合等效拉延筋进行毛坯设计的设计思想。
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