杯形砂轮断续磨削WC-Co涂层温度研究

doi:10.3969/j.issn.1000-1093.2012.04.005

兵工学报 ›› 2012, Vol. 33 ›› Issue (4): 408-413.doi: 10.3969/j.issn.1000-1093.2012.04.005

杯形砂轮断续磨削WC-Co涂层温度研究

许开州₁，魏臣隽₂，胡德金₂，许黎明₂

(1.中国航天科技集团公司上海航天动力技术研究所，上海 201109；2.上海交通大学机械与动力工程学院上海 200030)

收稿日期:2010-09-17 修回日期:2010-09-17 上线日期:2014-03-04
作者简介:许开州（1984—），男，博士研究生
基金资助:
机械系统与振动国家重点实验室自主研究课题（MSV-MS-2008-13）; 数字制造装备与技术国家重点实验室开放课题（2008-DMET-KF-001）; 国家自然科学基金项目（51075273）

Study on Temperature of WC-Co Coat in Interminttent Grinding with Cup Wheel

XU Kai-zhou₁, WEI Chen-juan₂, HU De-jin₂, XU Li-ming₂

(1.Shanghai Academy of Spaceflight Technology, China Aerospace Science and Technology Corporation, Shanghai 201109, China;2.School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200030， China)

Received:2010-09-17 Revised:2010-09-17 Online:2014-03-04

摘要/Abstract

摘要： 对杯形砂轮断续磨削碳化钨涂层的温度进行了相关研究。针对杯形砂轮断续平面磨削实际工况，计算出移动热源有效宽度；通过简化磨块形状合理采用传统热源模型；并对三角形和矩形热源模型进行理论分析和对比。把实测的磨粒端面温度和一维导热模型结合起来研究传热比，通过计算不同工艺参数下的传热比R_w值，使得磨削温度理论值更接近实际测量值，最后通过实验验证其可行性，并分析了磨削各参数对工件表面涂层温度的影响，其磨削温度随磨削深度，砂轮线速度，工件进给速度的增加呈现增长的趋势，进而对实际的磨削加工起到有效的指导作用。

关键词: 机械制造工艺与设备, 断续磨削, 杯形砂轮, 涂层材料

Abstract: The temperature of coated workpieces in intermittent grinding with cup wheel is investigated. The effective width of moving heat source is calculated under the condition of plane grinding with cup wheel; the shape of grinding block is simplified in order to use traditional heat source model; triangular and rectangular models are analyzed and compared. Energy partition ratio is analyzed on the basis of actual end-face temperature and one-dimensional heat conduction model, and the energy partition ratio is also obtained under different parameters. The feasibility of the temperature model is verified experimentally, and the influence of grinding parameters on the grinding temperature is also analyzed. The analysis results show that the grinding temperature rises with the increase of grinding depth, work-piece feed speed and wheel linear speed.

Key words: machinofature technique and equipment, intermittent grinding, cup wheel, coating material

中图分类号:

TH16

许开州₁，魏臣隽₂，胡德金₂，许黎明₂. 杯形砂轮断续磨削WC-Co涂层温度研究[J]. 兵工学报, 2012, 33(4): 408-413.

XU Kai-zhou₁, WEI Chen-juan₂, HU De-jin₂, XU Li-ming₂. Study on Temperature of WC-Co Coat in Interminttent Grinding with Cup Wheel[J]. Acta Armamentarii, 2012, 33(4): 408-413.

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杯形砂轮断续磨削WC-Co涂层温度研究

Study on Temperature of WC-Co Coat in Interminttent Grinding with Cup Wheel

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