Disc pelletizing is one of the preparation method of tungsten alloy ball, which does not have an endless belt, has high production efficiency and low cost, but the disadvantage is that it needs to be classified, is not suitable for preparing a ball blank of one specification, and the size of the ball blank is difficult to achieve high dimensional accuracy. In the subsequent processing, the amount of grinding is large and the product jumps large, resulting in large processing stress, which affects the crushing performance, and heat treatment is required to eliminate processing stress.
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