核磁兼容机器人本体材料的切削加工性

doi:10.3969/j.issn.1000-1093.2013.08.014

兵工学报 ›› 2013, Vol. 34 ›› Issue (8): 1007-1012.doi: 10.3969/j.issn.1000-1093.2013.08.014

核磁兼容机器人本体材料的切削加工性

任召伟^1,2, 姜杉¹, 戚厚军², 阎兵²

1. 天津大学机械工程学院,天津300072; 2. 天津职业技术师范大学天津市高速切削与精密加工重点实验室, 天津300072

收稿日期:2012-09-09 修回日期:2012-09-09 上线日期:2013-10-14
作者简介:任召伟(1988—),男,硕士研究生。
基金资助:
国家自然科学基金项目(51175373);教育部新世纪优秀人才支持计划项目(NCET-10-0625); 天津市高速切削与精密加工重点实验室开放课题基金项目(2013120024001167)

Machinability of Structural Materials of MR-compatible Robots

REN Zhao-wei^1,2, JIANG Shan¹, QI Hou-jun², YAN Bing²

1. School of Mechanical Engineering, Tianjin University, Tianjin 300072, China; 2. Tianjin Key Laboratory of High Speed Cutting & Precision Machining, Tianjin University of Technology and Education, Tianjin 300072, China

Received:2012-09-09 Revised:2012-09-09 Online:2013-10-14

摘要/Abstract

摘要：

选择3 种核磁兼容非金属材料即聚丙烯、尼龙、聚甲醛进行切削力试验和粗糙度测量,分析不同切削参数下的三维切削力和粗糙度Ra 的变化规律。在此基础上,结合加工所获切屑形状,运用有向图和矩阵(DAM)法对3 种材料的切削加工性进行评价,结果表明:尼龙切削加工性最优,聚甲醛其次,聚丙烯最差,因此宜选择尼龙作为核磁兼容机器人本体制造材料。

关键词: 机械制造工艺与设备, 核磁图像, 机器人, 切削力, 表面粗糙度, 切削加工性

Abstract:

Three kinds of MR-compatible non-metal materials, namely polypropylene, nylon and polyformaldehyde, are chosen for the measurement of their cutting forces and surface roughnesses. The variations of three-dimensional cutting force and roughness in the case of different cutting parameters are discussed. According to the above mentioned experimental results and the shapes of chips obtained during machining, the machinabilities of three materials are evaluated by using digraph and matrix (DAM) method. The result demonstrates that the nylon has the best machinability among the three materials, the polyformaldehyde takes the second place, and the machinability of polypropylene is the worst. Thus the nylon is selected for the main structure of the MR-compatible robot.

Key words: manufacturing processes and equipment, MR image, robot, cutting force, surface roughness, machinability

中图分类号:

TH16

任召伟, 姜杉, 戚厚军, 阎兵. 核磁兼容机器人本体材料的切削加工性[J]. 兵工学报, 2013, 34(8): 1007-1012.

REN Zhao-wei, JIANG Shan, QI Hou-jun, YAN Bing. Machinability of Structural Materials of MR-compatible Robots[J]. Acta Armamentarii, 2013, 34(8): 1007-1012.

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核磁兼容机器人本体材料的切削加工性

Machinability of Structural Materials of MR-compatible Robots

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