有序排布金刚石滚轮修整砂轮过程中的修整力  

Force of dressing grinding wheels by diamond rollers with orderly arrangement grains

作　　者：张瑞[1] 周帅康 赵华东[1] 朱振伟[1] 何鸿辉 刘畅[1] ZHANG Rui;ZHOU Shuaikang;ZHAO Huadong;ZHU Zhenwei;HE Honghui;LIU Chang(School of Mechanical and Power Engineering,Zhengzhou University,Zhengzhou 450001,China)

机构地区：[1]郑州大学机械与动力工程学院,郑州450001

出　　处：《金刚石与磨料磨具工程》2025年第1期93-101,共9页Diamond & Abrasives Engineering

基　　金：高精度复杂型面金刚石制品关键技术开发及产业化(18XTZX12006)。

摘　　要：为提升滚轮的修整性能和使用寿命,明确滚轮表面磨粒的不同排布对其修整性能的影响,采用错位、阵列和叶序3种磨粒排布的金刚石滚轮修整砂轮,对修整过程进行有限元仿真,并设计修整实验验证仿真结果。结果表明:在金刚石滚轮修整砂轮的过程中,磨粒的有序排布会对修整力产生影响,其中阵列排布的滚轮修整力最大,错位排布次之,叶序排布最小;叶序排布相较于错位与阵列排布,有利于减少滚轮表面磨粒磨损,提升滚轮的修整性能与使用寿命。Objectives:With the increasing improvement of science and technology and industrial levels,the modern manufacturing industry has higher and higher precision requirements for grinding processing,and the grinding quality can be improved by enhancing the ability of diamond dressing rollers.However,the current research on the grinding dressing process is mostly based on experiments.Since grinding is a high-speed and complex machining process,the dressing experimental cost of diamond rollers is higher.Therefore,this paper explores the influence of surface diamond grain arrangement on the dressing ability of diamond rollers through finite element simulation,and designs experiments to verify the reliability of the simulation results.Methods:The finite element analysis software Abaqus is used to carry out kinematic simulation of the dressing grinding process of the roller.First of all,in order to simulate the randomness of the real abrasive grain shape,the sphere method of plane-cutting cubes is used to obtain a more realistic abrasive grain model.Algorithms are designed for the coordinates of abrasive grains in three types of arrangement:array,misalignment,and leaf sequence,to achieve the accurate arrangement of abrasive grains on the surface of the roller model.The Johnson-Holmquist-2(JH-2)intrinsic parameters model of 99.5%alumina ceramics is used to approximately characterize the damage evolution of white corundum grinding wheels during dressing.To verify the accuracy of the results obtained through this simulation method,dressing experiments are set up to form a control with the simulation group.Results:Taking the dressing force generated in the dressing process as the evaluation index,the simulation and experimental results are analyzed:(1)A comparative analysis of the data obtained from the simulation is carried out,and it is found that diamond wheels with surface abrasive grains arranged in an array manner would generate a larger dressing force during the dressing process,followed by the staggered-arrangement whe

关 键 词：金刚石 有序排布 磨削 修整 叶序排布 

分 类 号：TG73[金属学及工艺—刀具与模具] TG74