砂轮约束磨粒喷射光整加工磨料流体动压力实验研究  

Experimental Investigation into Hydrodynamic Slurry Pressure of Finishing with Wheel as Restraint

作　　者：李长河[1] 修世超[2] 蔡光起[2] 

机构地区：[1]青岛理工大学机械工程学院,山东青岛266033 [2]东北大学机械工程与自动化学院,辽宁沈阳110004

出　　处：《制造技术与机床》2007年第12期71-73,共3页Manufacturing Technology & Machine Tool

基　　金：国家自然科学基金资助项目(50475052);高等学校博士学科点专项科研基金资助项目(20040145001)

摘　　要：根据Navier-Stokes方程和流体流动的连续性方程,建立了砂轮/工件楔形接触区磨料流体动压力的数学模型并进行仿真研究。利用平面磨床M7120E进行了磨料流体动压力的实验研究,结果表明,流体作用力和流体动压力随砂轮速度的提高、最小间隙的减小而增加,工作台进给速度对流体作用力影响很小。实验结果与模型仿真吻合。The hydrodynamic slurry pressure model and simulation of wedge - like zone between wheel and part was presented, based on Navier- Stokes and continuous equation. Experiments were carried out with plane grinder MT120E and workpiece material steel 45. The experimental results show that the hydrodynamic slurry pressure and force were proportion to grinding wheel velocity, and inverse proportion to the minimum gap between wheel and workpiece and the table feed speed has little effect on hydrodynamic force. The experimental results were in agreement with modeling simulation.

关 键 词：砂轮 楔形接触区 流体动压力 理论模型 仿真 实验研究 

分 类 号：TG580[金属学及工艺—金属切削加工及机床]