Ultrasonic Welding

Application example:

Thermoplastic polymer rolls welding for the pharmaceutical industry


Cutting of overlapping strips 
The first step is to cut the two overlapped strips using an ultrasonic cutting device such as a cutter blade.






✔ Edge-to-edge welding
The two strips being now edge-to-edge, a second step is to make an ultrasonic welding along the width of the strip.






✔ Tested polymers

• Low density polyethylene (LDPE)
• Low density polyethylene (LDPE) + Elastomer
• Ethylene vinyl acetate (EVA)
• Cyclic Olefin Copolymer (COC)


• Welding robustness
• Faster operation
• Easy to recycle: no additional material (no tape, no glue)

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