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  • Fundamentals Of Ultrasonic plastic welding
    An understanding of ultrasonic welders helps designers apply this assembly method efficiently. Actuator shown is used for semiautomatic or fully automated CNC plastic-welding applications and includes a converter and booster horn. Modular press system for manual ultrasonic plastic welding includes
  • Case Study: Extrusion Weld Detection in Aluminum Rod
    Extrusion weld detection: A .565 in. I.D. N:5 Resonance mode transducer was utilized to generate a subsurface ultrasonic resonance in a .440 in. OD aluminum rod. The frequency response is plotted against the lineal distance logged by a rotary encoder connected to the ARIS unit. The acoustic energy
  • Portable Hardness Test Technology for Assessing Titanium Weld Quality (.pdf)
    Portable hardness testing technology was developed in this project and was based on an oxygen equivalent (OE) database for CP titanium weld metals. The database was created by testing the properties of full penetration autogenous welds made from a number of heats and using different welding
  • Rehabilitation and Repair of Welded Elements and Structures by Ultrasonic Peening
    The Ultrasonic Peening (UP) is the most efficient technique for increasing the fatigue life of welded elements as compared to such existing improvement treatments as grinding, TIG-dressing, shot peening, hammer peening, etc. The results of experimental investigation of the efficiency of UP
  • Application of Ultrasonic Peening for Fatigue Life Improvement of Automotive Welded Wheels
    The efficiency of Ultrasonic Peening (UP) application for fatigue life improvement of automotive welded wheels was studied based on the results of fatigue testing of real wheels in as-welded condition and after application of the UP. During the fatigue loading, the cracks initiate in the weld toe
  • Medical Device Link .
    EQUIPMENT NEWS: Welders and Sealers Ultrasonic Welders Multiply Control Functions Users can manipulate fine details of the welding process The secure joining of plastic or metal parts is an important part of the fabrication process for many medical devices. In this section, new welding and sealing
  • Medical Device Link .
    EQUIPMENT NEWS: Production and Assembly Equipment Digital Ultrasonic Welder Defies Aging to Produce Consistent Welds Device manufacturers require accurate production and assembly equipment to ensure the quality of their finished products. In this section, machines are described that meet
  • Laser Welding of Plastics (.pdf)
    Plastic welding using a laser source has become an alternative to conventional plastics joining technologies, such as gluing, ultrasonic, vibration or element heating technology by offering flexible seam contouring, minimal heat input and consistent weld quality. The laser source can be either Nd

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