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Plastic welding techniques based on torsional and circular motion.

¹Telsonic AG, Bronschhofen, Switzerland. sales@uk.telsonic.com

Medical Device Technology

|August 28, 2001

Summary

Low particle production is achieved with torsion ultrasonic and circular friction welding. These advanced welding methods offer precise control and unique applications in the medical field, integrating seamlessly into automated manufacturing.

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Area of Science:

Materials Science
Manufacturing Engineering
Medical Device Technology

Background:

Traditional welding processes face limitations in particle production and application scope.
Advanced welding techniques are needed for precision manufacturing, especially in sensitive fields like medicine.

Purpose of the Study:

To evaluate the particle production of torsion ultrasonic welding and circular friction processes.
To explore the potential of these welding methods in the medical field.
To highlight the advantages of these processes in terms of speed and control for automation.

Main Methods:

Utilizing torsion ultrasonic welding at low frequencies.
Employing frequency-decoupled circular friction welding at low frequencies.
Analyzing particle production and seam characteristics.

Main Results:

Both torsion ultrasonic welding and circular friction processes demonstrate low particle production.
The circular welding process offers even seam coverage and selectable frequencies.
These methods enable applications not feasible with conventional welding.

Conclusions:

Torsion ultrasonic and circular friction welding are efficient, low-particle-emission processes.
Their precise control and unique movement patterns are ideal for advanced medical applications.
These welding techniques are suitable for integration into automated industrial lines.

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