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斗齿是矿山工程、土石方工程、隧道工程、采石场等施工中广泛使用的量大面广的易损件。其材质大都采用合金钢,其生产方法分砂型铸造、精密铸造和锻造,再经过相应的热处理而制成。早在上世纪六七十年代国内就展开了斗齿材料及工艺的研究,但成效不大。改革开放后,开始引进卡特彼
Tooth gear is mine engineering, earthwork, tunneling, quarries and other construction widely used in a wide range of vulnerable parts. Most of its material is made of alloy steel, its production method points sand casting, precision casting and forging, and then through the appropriate heat treatment and made. As early as the sixties and seventies in the last century to start the study of tooth material and technology, but with little success. After the reform and opening up, began to introduce Carter