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Premature Wear of Punches

机译:冲头过早磨损

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摘要

A metal stamper presented me with a problem of rapid punch wear on a particular application. The problem is illustrated in Fig. 1. What occurs in a situation like this is that the material being trimmed diminishes as it gets closer to the outside edge of the stock and consequently, the process of blanking tapers off into shaving and eventually rubbing whatever sliver of material it comes into contact with. See the illustration in Fig. 2 prior to trimming material. Fig. 3 illustrates what occurs during the trimming operation in each segment of the cut.
机译:一个金属压模给我带来了特定应用中冲头快速磨损的问题。问题如图1所示。在这种情况下,被修剪的材料会随着其靠近砧木的外侧边缘而逐渐减少,因此,落料的过程逐渐变细为剃须并最终摩擦任何条子接触的材料。修整材料之前,请参见图2中的插图。图3示出了在修整操作期间在切割的每个片段中发生的情况。

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