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通过模拟试验,证实了用粉末高速钢 G F3作成的拉线刀比超硬高速钢作成的拉线刀更耐磨。并在管内壁异形加工实践中得到了验证。
Through the simulation test, it is confirmed that the wire cutter made of the powder high-speed steel G F3 is more wear-resistant than the wire cutter made of the super-hard high-speed steel. And in the pipe wall shaped processing practice has been verified.