The feature common to all of them is that, like the hand forging hammer, they utilize the energy of a falling weight to develop the pressure needed for shaping the metal.
就其一般特性而言，都象手工锻锤一样，它们均利用落重能量来产生金属成型所需的压力。
By analyzing a typical example, this article gives a method of determining the weight of cutting stock during finish forging gear blank.
通过一个典型实例的分析，给出了确定精锻齿坯下料重量的方法。
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