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1引言为了改善钛合金管材的内表面状态，使其达到较高的无光的表面光洁度，以满足航空发动机的使用，按照AMS4943D的技术要求研究了多种规格管材的内喷砂方法，试制了喷砂设备．关于喷砂处理，我国目前仅有板材及锻件坯料的表面质砂设备；高精度细长成品管材的内表面喷砂设备，
1 Introduction In order to improve the inner surface of the titanium alloy pipe to achieve a high matt surface finish to meet the requirements of the aero-engine, the inner sandblasting method for various specifications of pipes was studied according to the technical requirements of AMS4943D. Sand blasting equipment. On the sandblasting treatment, China’s current only plate and forgings billet surface sand equipment; high-precision slender finished pipe sand blasting equipment,