Newsletter November // Ultrasonic Welding

 In News, Welding

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.

 

 

 

EDGE-TO-EDGE WELDING APPLICATION

 

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

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

 

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