The grinding technology is generally applied to the finishing of hardened workpiece,because of the narrow processing range,high investment,low productivity,and being easy to cause environmental pollution,it can not process effectively.With the development of process technology,hard turning has achieved significant economic benefits instead of grinding,its precision can reach 5 to 10 microns,the surface roughness Ra value is less than 0.2 microns.
【更新日期】
2010-07-19
【分类号】
TG51
【正文快照】
1硬车削定义及其特点1.1硬车削的定义通常所说的硬车削是指把淬硬钢的车削作为最终加工或精加工的工艺方法。淬硬钢通常是指淬火后具有马氏体组织,硬度高,强度也高,几乎没有塑性的工件材料,其硬度HRC>55,其强度为2 100 M Pa~2 600 M Pa。硬车削的加工精度可达5μm~10μm,表面粗
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