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Ultrasonic impact treatment device is composed of ultrasonic transducer with cover, booster, horn, needle and generator.

Efficacy:
1. Cause residual stress of pulling in the metal welding line surface layer changed into compressive stress. Significantly increase the fatigue life of metal structure. Ultrasonic aging improve 80%-100%.
2. Change the grain layer on metal surface into plastic deformation layer to improve strength and hardness of metal surface layer significantly.
3. Improve the weld toe geometric, reduce the stress focus.
4. Change weld toe stress field, reduce welding deformation obviously, and improve size stability of work piece.

Main advantage:
1. High power, high impact effect
2. High reliability, long using life
3. Light weight, portable, easy to operate
4. Excellent designation, wide use scope
5. Distinctly save energy, reduce charge

Application:
The industries have strict requirement on welding stability and strength. Such as bridge, electric power, ship building, pressure vessel, steel structure and other industry's metal welding.

Advantages of ultrasonic impact surface finishing
-Increase the surface finish quality(about 3 classes, low to 0.1Ra).
-Increase the surface hardness.
-Improve the fatigue resistance and corrosion resistance.
-Decrease the initial damage of workpiece.
-Remove spot pits on the metal surface.
-Special purpose metalworking machines, chipless