7. Mistakes to avoid
Think that increasing pressure during welding improves weld strength:
Caution: you are welding with vibrations at the contact plane, and any excessive clamping will limit the amplitude of the vibrations and therefore the amount of energy.
By increasing the pressure on your assembly beyond a certain limit (to be determined - between 2.5 and 3 bars or 0.25 to 0.3 MPa) you reduce the strength of your welds.
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To study noise levels in your workshop, contact your local CRAM and consult the publications of l’INRS (on the INRS website, in the "search" box type in the key words "ultrasonic welding".
Each machine manufacturer will be specialized according to the field of application, materials and material structure....
Acronyms/abbreviations
US: Ultra sound or ultrasound
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