基于冲击原理的磨削接触区及磨削力建模

doi:10.12068/j.issn.1005-3026.2014.02.026

东北大学学报:自然科学版 ›› 2014, Vol. 35 ›› Issue (2): 268-271.DOI: 10.12068/j.issn.1005-3026.2014.02.026

基于冲击原理的磨削接触区及磨削力建模

修世超¹，刘明贺¹，张修铭¹，白斌^1,2

(1东北大学机械工程与自动化学院，辽宁沈阳110819； 2沈阳工程学院机械工程学院，辽宁沈阳110136)

收稿日期:2013-05-28 修回日期:2013-05-28 出版日期:2014-02-15 发布日期:2013-11-22
通讯作者: 修世超
作者简介:修世超(1958-)，男，内蒙古赤峰人，东北大学教授，博士生导师.
基金资助:
国家自然科学基金资助项目(51075065，51375083).

Grinding Contact Area and Grinding Force Modeling Based on Impact Principle

XIU Shichao¹， LIU Minghe¹， ZHANG Xiuming¹， BAI Bin^1,2

1. School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China; 2. School of Mechanical Engineering， Shenyang Institute of Engineering， Shenyang 110136.

Received:2013-05-28 Revised:2013-05-28 Online:2014-02-15 Published:2013-11-22
Contact: LIU Minghe
About author:-
Supported by:
-

摘要/Abstract

摘要： 磨削力是滑擦、耕犁及切削三个阶段共同作用的结果，仅对切削阶段进行研究通常造成切削力计算值与实测值的误差较大；因此本文考虑磨削接触区冲击效应对整个平面磨削加工过程的影响，将接触区划分为冲击区和切削区两部分.通过分析磨粒在冲击区内对工件产生的冲击载荷的变化情况，建立了单颗磨粒的冲击载荷模型及参与冲击的磨粒数目模型，并结合磨削力在切削区的变化情况，构建磨削力理论计算模型及总磨削力数学模型.最后通过实验研究验证了理论分析的合理性.

关键词: 平面磨削, 接触区, 磨削力建模, 冲击载荷

Abstract: In a grinding process， the grinding force is generated from the joint actions of sliding friction， plough and cutting. The calculated grinding force which only takes account of the cutting process has big error， compared with the measured values. Based on the shock effect in the grinding contact area on the grinding process， the contact area was divided into impact area and cutting area. Changes in the impact load from the grits on a workpiece in the impact zone were analyzed to model the impact load generated from single grit， as well as modeling the number of grits involved in the impact. Moreover， the theoretical calculation models of grinding force and total grinding force were also developed. Experimental study verified the correctness of the theoretical analysis.

Key words: surface grinding, contact area, grinding force modeling, impact load

中图分类号:

TH16114

修世超，刘明贺，张修铭，白斌. 基于冲击原理的磨削接触区及磨削力建模[J]. 东北大学学报:自然科学版, 2014, 35(2): 268-271.

XIU Shichao， LIU Minghe， ZHANG Xiuming， BAI Bin. Grinding Contact Area and Grinding Force Modeling Based on Impact Principle[J]. Journal of Northeastern University Natural Science, 2014, 35(2): 268-271.

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基于冲击原理的磨削接触区及磨削力建模

Grinding Contact Area and Grinding Force Modeling Based on Impact Principle

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