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为了使难加工材料能进行塑性加工,我们采用了一种新的挤压法。实验证明,这种方法是可行的。其方法是,在模框和毛坯之间插入固体过渡材料,压缩固体材料对毛坯产生侧向压力,这一侧向压力只有在毛坯受到模具挤压才有。另外固体材料还能保持毛坯的温度。最初的试验是在室温下挤压铝和锌,侧向压力的有效值估计和普通挤压法同一数量级。最后的试验是挤压Fe—6％、Al—10％、Si合金和阿尔尼科合金,试验温度是1500K,试验的方法和在室温进行的方法相同。试验获得了成功。
In order to make difficult processing of plastic materials can be processed, we have adopted a new extrusion method. Experiments show that this method is feasible. The method is to insert a solid transitional material between the formwork and the blank, compressing the solid material to create a lateral pressure on the blank, which lateral pressure is only experienced when the blank is squeezed by the die. In addition solid materials can also maintain the temperature of the blank. The initial test was to extrude aluminum and zinc at room temperature. The rms value of the lateral pressure was estimated to be of the same order of magnitude as the normal extrusion method. The final test was extrusion of Fe-6%, Al-10%, Si alloy and Arnico alloy at a test temperature of 1500K and the test was carried out in the same manner as at room temperature. The experiment was successful.