Pulsating blank holder forces are used in deep-drawing process to increase the draw depth and improve the surface quality of drawn piece.

采用脉动变化的压边力控制拉深工艺，可提高成形极限及拉深件的表面质量。

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This paper addresses that speed fluctuation amount of drawing area, drawing speed, draw depth, draw Angle shall be used as the indexes to evaluate the performance of the inner sliding block mechanism.

提出用拉深区速度波动量、拉深速度、拉深深度、拉深角为评价压力机八杆内滑块机构性能优劣的指标。

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Because such people are not able to draw on depth in most of their thinking, they are only able to present ideas as generalities.

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Add in consistent Russians Safina and Elena Dementieva, not to mention the return to near her best of their compatriot and 2008 champion Maria Sharapova and the depth of competition in the women's singles almost stands comparison with the men's draw.

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