Grading method and application of titanium alloy powder

The invention relates to a grading method and application of titanium alloy powder, and the grading method comprises the following steps: S1, screening titanium alloy powder A with through granularity twice by adopting an ultrasonic vibration screening machine to sequentially obtain first-grade powder A1 and second-grade powder A2; s2, an ultrasonic vibration screening machine is adopted for conducting primary screening on the through-particle-size titanium alloy powder B, and first-grade powder B1 is obtained; and S3, the second-level powder A2 in the S1 and the first-level powder B1 in the S2 are mixed, and target powder is obtained. According to the method, the particle size distribution of metal powder, the friction coefficient between the powder, the fluidity and other characteristics are changed through powder grading, a printing powder layer is preheated, and the powder blowing problem generated in the electron beam printing process is improved and solved. 本发明涉及一种钛合金粉末的级配方法及应用，级配方法包括如下步骤：S1、采用超声振动筛分机对通