恒压强确定性抛光铝合金7075表面质量研究  

Surface quality study for deterministic polishing of aluminum alloy 7075 with constant pressure

作　　者：赵凯 赵洋[2] 张超[2] Zhao Kai;Zhao Yang;Zhang Chao(Shenyang Open University,Shenyang 110003,China;College of Mechanical Engineering and Automation,Northeastern University,Shenyang 110819,China)

机构地区：[1]沈阳开放大学,辽宁沈阳110003 [2]东北大学机械工程与自动化学院,辽宁沈阳110819

出　　处：《轻金属》2025年第1期46-51,共6页Light Metals

摘　　要：抛光的主要目的是提高工件加工表面的表面质量,表面质量的常用的衡量标准为表面粗糙度。本文以铝合金7075为研究对象,选择抛光压强、抛光工具头转速、抛光倾角和抛光进给速度四个参数,通过正交实验研究其对恒压强抛光工艺表面粗糙度的影响程度。基于回归模型与实验数据,建立了恒压强确定性抛光的表面粗糙度模型,并对实际抛光后的工件表面粗糙度进行预测,预测值与实际值之间的相对误差最大值为0.087 24,最小值为0.000 91。The main purpose of polishing is to improve the surface quality of the workpiece processing surface,and the common measure of surface quality is surface roughness.This paper takes aluminum alloy 7075 as the research object,selects four parameters including polishing pressure,polishing head rotation speed,polishing inclination angle and polishing feed speed,and investigates their influence on the surface roughness of constant pressure polishing process through orthogonal experiments.Based on the regression model and experimental data,the surface roughness model of constant pressure deterministic polishing is established,and the surface roughness of the workpiece after actual polishing is predicted.The relative error between the predicted value and the actual value is 0.08724 at the maximum and 0.00091 at the minimum.

关 键 词：抛光加工 表面质量 铝合金7075 回归模型 

分 类 号：TF125.22[冶金工程—粉末冶金]