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Ultrasonic Impact Treatment (UIT) method is an efficient method that can turned the harmful residual stress on the surface layer or weld area into compressive stress. The UIT equipment uses high-power energy to drive impact head to impact metal surface at 20000 times in frequency.

The UIT/UP produces a number of beneficial effects in metals and alloys. Foremost among these is increasing the resistance of materials to surface-related failures, such as fatigue and stress corrosion cracking. The fatigue testing of large-scale parts and welded specimens showed that the UIT/UP is the most efficient improvement treatment as compared with traditional techniques such as heat treatment, TIG-dressing, hammer peening and shot peening. 

Ultrasonic impact treatment technology is a cost effective method for increasing the safety and endurance of structures, so UIT has being accepted in many industries as a superior and viable technology for fatigue enhancement.

1.Paramete
Generator size: 180*280*400 mm
Generator weight: 7.5KG
Power supply: 220V/110V, 50Hz, 0-4A 
Working frequency: 20±0.5KHz 
Max power: 1500W; 10%--100% adjustable 
Main size: Length range from 200mm to 450mm (also can manufacture by customer requirement)
Weight: 2.9KG to 5KG

2.Charactoristic:
- Digital generator, real-time control of parameters.
- Higher efficiency, deeper penetration and Quicker speed
- Much less noise and vibration, easier to use
- Lighter (impact gun just 2.9KG) and air cooling
- Over 24 hours of continuous operation if required.  
-Adaption to most complicated work environment.
-Operation on site, reduce labor intensity.

3.Achievements of ultrasonic impact treatment 
Saving of energy
Relaxation of residual stress
Increase of fatigue life and fatigue strength
Shorter time required for treatment
Increase of surface hardness and mechanical properties
Reduction and controlling of distortion caused by welding