高压喷水设备在空心叶片脱芯工艺中的应用  

A Study on Application of High Pressure Water-jetting Equipment in De-core Proccesses for Hollow Turbine Blades

作　　者：顾国红[1] 

机构地区：[1]北京航空材料研究院,北京100095

出　　处：《材料工程》2002年第4期38-39,42,共3页Journal of Materials Engineering

摘　　要：研究了内腔形状比较复杂的涡轮叶片铸件脱芯方法。结果表明 :在化学腐蚀法脱芯的基础上辅之以高压喷水设备 ,可以较有效地清除叶片内通道的残芯 ,通过试验得出了合适的工艺参数。A de core method for hollow turbine blades having complex inner cavity has been studied It is showed that the combination of a high pressure water jeting method with the original chemically etching method may effectively eliminate the residual core in the inner passage of blades The suitable processing parameters are obtained by a series of experiments

关 键 词：高压喷水设备 脱芯工艺 熔模铸造 空心叶片 涡轮叶片 陶瓷型芯 

分 类 号：TG249.5[机械工程—精密仪器及机械] TG22[金属学及工艺—铸造]