The Effect of Ultrasonic Surface Rolling Process on TC4 Titanium Alloy Surface Roughness
The surface ultrasonic rolling treatment was carried out on TC4 titanium alloy.The influences of four factors,namely spindle speed,feed rate,static pressure and rolling times,on surface roughness were analyzed.Parameter optimization was performed through orthogonal tests.The test results showed that among all the factors affecting surface roughness,spindle speed and feed rate had significant impacts.Through the analysis of optimal levels,the optimal scheme was determined as follows:spindle speed of 400 r/min,feed speed of 0.1 mm/r,static load of 490 N,and rolling times of 3.Surface ultrasonic rolling processing is an effective technology for improving the surface quality of TC4 titanium alloy.The selected optimal process scheme can reduce the surface roughness from Ra0.8 μm to Ra0.079 μm,cut the friction coefficient in half,and significantly enhance the wear resistance.This process scheme has certain guiding significance in increasing the service life of TC4 titanium alloy blades.
USRPTC4 titanium alloysurface roughnessorthogonal test
万方数据
维普
