servo-electric bending machine What is the reason why the grinding head is damaged quickly?
Due to the organic chemical corrosion of Tungsten Steel Raw Materials Co., Ltd. WC-cobalt bond in the PCB turning hole, the substances released by the organic chemical penetration are decomposed. At 300℃ corrosion, this is obvious. Although the drilling rate is less than 150mm/ min, the key mode of organic chemical penetration and friction damage have become the key expression form of damage....
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