In this paper calculation method of complex drawing piece on unfold size is given.

本文提出了复杂拉深件展开尺寸的计算方法。

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Because after being drawn the edge of a drawing piece is no flattening generally it needs edge trimming to meet the demand usually realized by side-cutting and turn-cutting dies.

由于拉伸件在拉伸后边缘不平整，一般需要修边才能达到要求，通常采用侧切和旋切模实现。

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Having got off somewhere in suburbia, the artist walked backwards and forwards over a piece of grass until the squashed turf formed a line-a kind of drawing on the land.

在郊区某个地方下车后，这位艺术家在一片草地上走来走去，直到被压碎的草皮形成一条线——一种在土地上的绘画。

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His idea for the original drawing came from a piece of music by the English composer Ralph Vaughn-Williams.

VOA: special.2009.09.02

Drawing a pyramid on a piece of paper, Nedoroslev draws a line through the top tenth and shades the bottom.

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Cintamani, 36, interrupts the discussion on Singapore's economic environment, drawing attention to two men one in a three-piece black suit, and another in a futuristic-looking white top embellished with silver at its collar and reaching past his knees over skinny white pants with platform shoes and a woman in a white two-piece, loose-fitting suit with silver heels.

WSJ: Wealth Over the Edge | WSJ.Money Spring 2013