Analyze and discuss the standard of alloy tool steel on the basis of producing experience, analyze problems exsited in the new standard and also propose Suggestions and content.

据生产实践，对合金工具钢标准进行了分析和探讨，提出新标准中一些问题的同时，还提出些建议内容。

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The mechanism of cutting force, cutting temperature and tool wear in the machining of quenched steel and nickel based high temperature alloy with ceramic tools are analyzed in the paper.

重点分析了陶瓷刀具在切削淬火钢和镍基高温合金中有关切削力、切削温度、刀具磨损等方面的机理。

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Ferrous tool materials have iron as a base metal and include tool steel, alloy steel, carbon steel, and cast iron.

黑色工具材料以铁为基材，包括工具钢，合金钢，碳钢，铸铁。

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