砂带磨削加工表面粗糙度预测与验证

Surface Roughness Prediction and Verification of Abrasive Belt Grinding

为了研究砂带磨削过程中主要工艺参数对磨削表面粗糙度的影响规律,建立了砂带磨削工件的表面轮廓模型,通过对砂带磨粒运动轨迹的研究分析,由单个磨粒的运动方程建立多个磨粒的运动方程。采用单因素试验法,由仿真软件合成磨削加工表面的三维形貌与粗糙度值的变化趋势,通过建立表面粗糙度回归数学模型与叶片磨削试验进行理论分析验证。结果表明,不同工艺参数磨削后工件表面粗糙度的仿真值与试验结果吻合度较好,为实际砂带磨削工艺参数的选择和优化提供理论依据与参考。

In order to study the influence of main process parameters on the surface roughness of abrasive belt grinding,the surface profile model of abrasive-belt-ground workpieces is established.Through the analysis of the motion trajectory of belt abrasive particles,the motion equation of multiple abrasive particles is established from the motion equation of single abrasive particle.The three-dimensional surface topography and the variation trend of roughness value are synthesized by simulation software using single factor experimental method.The regression mathematical model of surface roughness is established,and the blade grinding experiment is carried out to verify the theoretical analysis.The results show that the simulation values of workpiece surface roughness based on different process parameters are in good agreement with the experimental results,which can provide a theoretical basis and reference for the selection and optimization of actual abrasive belt grinding parameters.