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提出用反挤型锻造来确定摩擦因子的方法。将反挤试验中底厚与锻造载荷的乘积作为摩擦因子的量度。这种方法的优点是：摩擦因子可用于接触面压力较高和新生面积增加较大的成形过程，如冷锻和精锻。摩擦因子的数值可以在成形过程中连续地确定．可以监测整个试验过程中的润滑状况．
A method of determining the friction factor by using anti-extrusion forging is proposed. The product of the bottom thickness and the forging load in the anti-extrusion test is taken as a measure of the friction factor. The advantage of this method is that the friction factor can be used in forming processes with higher contact pressure and increased fresh area, such as cold forging and forging. The value of the friction factor can be continuously determined during the forming process. Can monitor the lubrication throughout the test.