Nanjing Ultrasonic Equipment Vibration Aging Equipment Wuxi Ultrasonic Vibration Aging Treatment Equipment

Nanjing Ultrasonic Equipment Vibration Aging Equipment Wuxi Ultrasonic Vibration Aging Treatment Equipment

1. Transforming residual tensile stress within the surface layer of metal welds into compressive stress, thereby significantly improving the fatigue life of metal structures.

2. Changing the metal grain structure within the surface layer to create a plastic deformation layer, thereby significantly improving the strength and hardness of the metal surface layer.
3. Improve the geometric shape of the weld toe and reduce stress concentration.
4. Changing the welding stress field significantly reduces welding deformation and improves the dimensional stability of the workpiece.

The ultrasonic driving power supply converts the mains power into high-frequency and high-voltage AC current, which is transmitted to the ultrasonic transducer. Then the ultrasonic transducer converts the input electrical energy into mechanical energy, namely ultrasonic waves, which manifest as the transducer making reciprocating and stretching movements in the longitudinal direction; The frequency of the telescopic motion is equivalent to the frequency of the AC current driving the power supply, and the displacement of the telescopic motion is about ten micrometers. The function of the amplitude lever is to amplify the output amplitude of the transducer to over 100 microns, and on the other hand, to apply impact force to the firing pin, pushing it forward at high speed. After the impact needle impacts the workpiece, energy is transmitted to the weld seam to eliminate internal stress. After being subjected to the reaction of the workpiece, the impact head rebounds and hits the high-frequency vibration amplitude rod. It is then excited again and collides with the weld seam at high speed. This process is repeated multiple times to complete the impact operation.

3. Improve the geometric shape of the weld toe and reduce stress concentration.
4. Changing the welding stress field significantly reduces welding deformation and improves the dimensional stability of the workpiece.

Nanjing Ultrasonic Equipment Vibration Aging Equipment Wuxi Ultrasonic Vibration Aging Treatment Equipment

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