不锈钢孔磨粒流抛光工艺参数的选择

Selection of Process Parameters for Stainless Steel Hole Abrasive Flow

针对磨粒流抛光加工不同孔径的工艺参数确定不合理,从而导致加工质量无法达到要求的实际生产问题,采用流体数值模拟方法对磨粒流抛光过程中流体磨料在抛光孔的流动状态进行数值模拟分析,得到了进口压力与孔径和孔深的变化关系。实际加工试验验证了数值模拟结论的正确性,并结合数值模拟给出了可用于指导实际生产的不同孔径及其孔深的磨粒流加工工艺参数的选取规则。

If the process parameters of the abrasive flow polishing are unreasonable in processing different apertures,this leads to machine quality not to meet the requirements in actual production.The flow state of the fluid abrasive in the polishing hole during the polishing process of the abrasive flow is simulated by the method of fluid numerical simulation.And the relationship between the inlet pressure and the pore size and depth are obtained.The correctness of the numerical simulation conclusion is verified by the actual processing experiment. Combined with the numerical simulation conclusion,the selection rules for the processing parameters of the abrasive flow are determined and can be used to guide the actual production of different pore sizes and depths.