Ultrasonic Puncture Welding with No Damage Cracks Or Deformation
Car bumper punching (Three kinds of punching methods)：
The automobile bumper hydraulic punching needs to have an oil pressure station, which requires to adjust the oil. The punching effect is free of burrs, smooth, and the inner ring will have a little whitening.
Ultrasonic punching of car bumper punching needs to be equipped with ultrasonic generators. Domestic and imported generators can be selected. Ultrasonic punching results are better than oil pressure, gas-liquid pressurized cylinder punching methods, and the cost is relatively high. Punching effect without burr inner ring smooth.
Car bumper gas-liquid boosting cylinder punching is more widely used, better than oil pressure punch. Punching effect without burr ,smooth.