大客发动机涡轮后机匣射线检测工艺及工装试验

The Technology and Tooling Experiment of the X-Ray Detection of the Turbine Rear Casing of the Engine of Large Passenger Plane

摘要: 针对某大客发动机涡轮后机匣镍基合金整体精铸、变壁厚、多转角等结构特点,特制了在其射线检测时的专用检测工装,保证了射线检测工艺参数的一致性;通过试验优选了各项射线检测工艺参数;保证了机匣所有高应力区域及转接区域的100%检测;达到了机匣的质量检测要求,保证了机匣使用的可靠性.

Abstract: For the overall casting,variable wall thickness,multi angle structure characteristics for turbine rear casing of nickel based alloy casting of the large passenger plane engine ,a special inspection tooling is designed and manufactured,ensuring the consistency of ray detection process parameters.Optimizing the parameters of the ray detection technology,all the high stress area and 100% transfer area can be detected by radiographic testing ,the inspection quality for the turbine rear casing and the usage reliability of the turbine rear casing can be assured.