The PowerHouse of Ultrasonics

피스톤 초음파 용착

Task

A plastic piston made from plastic consists of two injection-moulded parts, which should be joined together tightly and without additional sealing elements. After validation, the application must be produced in a reliable process with high numbers of parts. As a safety-relevant component, high requirements are placed on it for process reliability and quality monitoring.

Solution

Both plastic parts are joined tightly together in a process-reliable way with a USP750 ultrasonic welding system, frequency 35 kHz, with a maximum output of 1200 W. The TCS5 process controller offers comprehensive programming and quality monitoring functions. The correct joint design is crucial for a tight joining seal. In this application, the joining area was implemented as a trapped pinch seam.

Configuration advantages

The ultrasonic joining process can be automated very well. The TCS5 process controller continuously monitors the welding parameters and rejects parts that are outside the tolerance range. The joining seam formation as a trapped pinch seam ensures, first of all, a tight weld connection and, secondly, that the plastic melt remains in the joining seam, thus offering reliable welding quality. Thus no additional sealing elements are required. Ultrasonic welding technology is rapid, efficient and environmentally-friendly.






Piston




Plastic Welding Product Range

  • TSP press series

    TSP press seriesTorsional weld press

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  • USP press series

    USP press seriesLinear weld press

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  • AC actuator series

    AC actuator seriesFor assembly lines

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  • IPA / IPM series

    IPA / IPM seriesActuator with generator

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  • Controller TCS5

    Controller TCS5Process control

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  • MAG generator series

    MAG generator seriesFor cabinet integration

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  • SE converter series

    SE converter seriesFor linear welding

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  • TR resonator series

    TR resonator seriesFor torsional welding

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  • Sonotrodes plastic weldingAcoustic tools

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