Experimental Study  of  Surface Integrity  for  Hardened Mould Steel ANSI  D2 Using Dry Grinding

Abstract

Abstract:

Dry grinding was widely used in the manufacturing of mold because of its advantages including high machining efficiency,low cost and little pollution.As one of the last steps in the manufacturing process,the ground surface integrity determined the product quality and life.Herein surface integrity of hardened mould steel ANSI D2 under dry grinding was experimentally studied. the influences of feeding speed and cutting depth on surface integrity including the surface structures,micro-hardness, surface roughness and residual stress were studied,which provides guidance for the determination of grinding parameters and the optimization of dry grinding process of hardened mould steel.

Key words: dry grinding;surface integrity;hardened , mould steel;experiment

摘要：

干式磨削具有加工效率高、加工成本低、环境污染小等优势，广泛应用于模具加工制造行业。作为零件制造工艺链的最后环节，磨削加工后的工件表面完整性决定了产品质量和使用寿命。以淬硬模具钢ANSI D2为加工对象，通过实验研究干式磨削条件下磨削淬硬模具钢的加工表面完整性，分析并确定了进给速度、磨削深度等磨削参数对磨削表面层的组织结构、表面层显微硬度、加工表面粗糙度、残余应力分布等表面特性的影响规律,为制订合理的磨削参数、实现淬硬模具钢干式磨削工艺的优化提供指导。

关键词: 干式磨削, 表面完整性, 淬硬模具钢, 实验

CLC Number:

TG156

Guo Weigang, Zhao Congrong, Wu Xiaosu, Yuan Julong, Deng Qianfa. Experimental Study of Surface Integrity for Hardened Mould Steel ANSI D2 Using Dry Grinding[J]. China Mechanical Engineering, 2015, 26(16): 2137-2142.

郭伟刚, 赵从容, 吴晓苏, 袁巨龙, 邓乾发. 干式磨削ANSI D2淬硬模具钢的表面完整性实验研究[J]. 中国机械工程, 2015, 26(16): 2137-2142.

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Experimental Study of Surface Integrity for Hardened Mould Steel ANSI D2 Using Dry Grinding

干式磨削ANSI D2淬硬模具钢的表面完整性实验研究

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