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      ultrasonic impact equipment

      ultrasonic impact equipment

      Technical principle of ultrasonic impact equipment: Ultrasonic impact can eliminate harmful residual tensile stress on the surface of the part or weld zone and introduce beneficial compressive stress. The ultrasonic impact device uses high-power energy to push the impact head to impact the surface of the metal object at a frequency of about 20,000 times per second. The large energy under high-frequency focusing causes a large compression plastic deformation of the metal surface layer; at the same time, the ultrasonic impact changes the original The stress field produces beneficial compressive stress; under high energy impact, the surface temperature of the metal increases rapidly and rapidly cools, so that the surface metal structure of the active zone changes and the impact site is strengthened. Ultrasonic impact equipment features: ultrasonic impact equipment application field

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      Technical Principle of Ultrasound Impact Equipment:

      The

      Ultrasound impact can eliminate harmful residual tensile stress and introduce beneficial compressive stress on the surface or weld zone of components. Ultrasound impact equipment uses high-power energy to push the impact head to impact the metal surface at a frequency of about 20,000 times per second. The high-frequency focused energy causes the metal surface to produce a large compressive plastic deformation. At the same time, the ultrasonic impact changes the original stress field and generates beneficial compressive stress; and the metal surface temperature under high-energy impact. The superficial metal structure of the action zone is changed and the impact site is strengthened by extremely rapid increase and rapid cooling.

      Characteristics of ultrasonic impact equipment:

      The application field of ultrasonic impact equipment solves the problems after welding with its advantages of high frequency, high energy, good focusing and stable performance. After welding, Hawk can drive impact tool to impact the weld toe position along the direction of weld seam at a frequency of more than 20,000 times per second, so that it can produce large compressive plastic deformation and make the weld toe position more stable. The smooth geometric transition occurs when the weld toe is out, which greatly reduces the stress concentration caused by the excess height, pits and undercut of the weld toe, eliminates the micro cracks and slag defects on the surface of the weld toe, restrains the early initiation of cracks, adjusts the welding residual stress field, eliminates the welding stress and generates a numerical compressive stress. At the same time, the material of welded toe can be strengthened, and the fatigue strength and fatigue life of welded joint can be greatly improved.

      Ultrasound impact equipment applications:

      Ultrasound impact technology has been applied to many materials, components and welding units. It has been applied in railway, ocean engineering, automobile, armored vehicle, heavy engineering machinery, mechanical parts, aircraft, bridge, locomotive and rolling stock, petroleum pipeline, chemical machinery and other fields.