淬硬H13钢在高速铣削时的刀具磨损性能实验研究

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英文篇名：Experimental Study on Wear Performance of Cutting Tools in High Speed Milling of Hardened H13 Tool Steel 作者：秦佳宇 ; 徐新成 ; 刘鹏 ; 张亚龙 ; 沈守国 英文作者：QIN Jiayu;XU Xincheng;LIU Peng;ZHANG Yalong;SHEN Shouguo;Engineering Practice and Training Center,Shanghai University of Engineering Science; 关键词：高速铣削 ; H13钢 ; 刀具磨损 ; 粗糙度 英文关键词：high speed milling;;H13 steel;;tool wear;;workpiece surface roughness 中文刊名：QGJX 英文刊名：Light Industry Machinery 机构：上海工程技术大学工程实训中心; 出版日期：2019-06-13 出版单位：轻工机械 年：2019 期：v.37;No.159 基金：国家自然基金项目(51501109);; 上海市科委地方院校能力建设项目(17030501400) 语种：中文; 页：QGJX201903007 页数：6 CN：03 ISSN：33-1180/TH 分类号：40-45

摘要

针对淬硬H13热作模具钢在高速切削时的刀具耐磨性问题,选用了陶瓷铣刀和带涂层的3种硬质合金钢铣刀对其进行高速铣削实验。首先,分析了在相同切削参数条件下不同刀具后刀面磨损量V_B的变化情况;其次,分析了失效刀具的磨损机理;最后,探讨了刀具磨损量对零件加工表面粗糙度的影响。研究结果表明:AlTiN涂层立铣刀刀具的耐磨性能最佳;刀具的磨损机理主要为磨粒磨损和粘结磨损,刀具的崩刃是硬质合金刀具的主要失效形式; TiAlN涂层立铣刀对工件的表面形成的粗糙度变化趋势较为平稳,工件表面质量较好。
        To investigate the wear resistance of hardened H13 hot work tool steel in high-speed cutting,ceramic milling cutter and three kinds of coated carbide tools were used for high-speed milling experiments. Firstly,the change of different tool flank wear V_B was analyzed under the same cutting parameters. Secondly,the wear mechanism of the failed tool was analyzed. Finally,the influence of tool wear on the surface roughness of the workpiece was discussed. The results showed that the wear resistance of AlTiN coated carbide tool is the best; the wear mechanism of the tool is mainly abrasive and adhesive wear,the chipping of the tool is the main failure mode of the carbide tool; the TiAlN coated carbide tool has a stable trend in the roughness of the workpiece surface and a better surface quality.

引文

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