硬质合金ELID镜面磨削的试验研究  

Experimental Study on ELID Mirror Surface Grinding Technology of Carbide

作　　者：朱从容[1,2] 李伟[1] 马树林[1] 

机构地区：[1]浙江工业大学机械制造及自动化教育部重点试验室,浙江杭州310014 [2]浙江海洋学院机电工程学院机械系,浙江舟山316004

出　　处：《新技术新工艺》2009年第2期88-91,共4页New Technology & New Process

摘　　要：硬质合金具有硬度高、强度好、耐腐蚀和耐磨损的特点,采用传统方法难以满足精密及超精密加工的技术要求,而且工序多、效率低、成本高。本文采用在线电解修整(ELID)技术对硬质合金进行精密镜面加工。通过试验,分析了磨削深度、电极间隙、占空比、电解电压对硬质合金表面粗糙度的影响规律,并得到了优化的ELID磨削工艺参数。使用优化后的ELID磨削工艺参数加工硬质合金材料可获得较低的表面粗糙度。Carbide has high hardness, high strength, and high wear and corrosion resistance. Carbide is very difficult to be machined with a higher surface quality y the conventional grinding. Electrolytic in-process dressing（ELID）grinding has been adopted to the mirror surface grinding of carbide. Through analyzing the electrolytic in-process dressing（ELID）grinding experimental data, some laws about the effects of different parameters such as grinding depth, electrode gap, electrode voltage and duty cycle on surface roughness are found and the optimized parameters are found. By using the optimized parameters combination, low roughness surface is obtained.

关 键 词：硬质合金 镜面磨削 在线电解修整(ELID) 

分 类 号：TG58[金属学及工艺—金属切削加工及机床]