针对这一问题，本文研究了零件加工误差对动模板合模位置的影响，得出了零件加工误差的许用值范围，并计算了由于销轴摩擦力对合模力放大比的影响关系式。

Aiming at these problems, this paper studies how the original error affects the accuracy, works out its allowable values, and finds out the equation between friction of pins and clamping force.

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新型精压模的上模设有顶件装置锻件半轴的拔模斜度小锻件半轴的金属敷料少。

There is a shedder on the upper die of the new type of finish forging die so that pattern draft Angle of half axle of forging is small oversize for machining is little.

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该系统为系统深入地研究管轴压精密成形过程中无模约束自由变形机理和成形规律提供了有效的手段。

It provides an effective approach to further and systematical study of free deformation mechanism and law in tube axial compressive precision forming process.

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So i and j are vectors of length one, pointing along x and y.

和 j 是模长为1的矢量,分别指向 x 轴和 y 轴方向

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