Emerson Mini II Technical Information

Emerson Vibration Welders Technical Information - Mini II.
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Vibration Welding

WELDING   l   STAKING   l   INSERTION   l   SWAGING   l   FORMING   l   SPOT WELDING   l   DEGATING   l   CUTTING AND SEALING

Vibration Welding
Traditional Vibration Welding and  “Clean” 
 Vibration Welding

Vibration Welding

Vibration Welding © Branson Ultrasonics Corporation 1999

The Emerson logo is a trademark and service mark of Emerson  

Electric Co. Revised and printed in the U.S.A. 4/11

Vibration Welding

Branson Ultrasonics Corporation 
41 Eagle Road, Danbury, CT 06813-1961 
(203) 796-0400 • Fax: (203) 796-9838 
www.bransonultrasonics.com 
e-mail: info@bransonultrasonics.com

475 Quaker Meeting House Rd.,  
Honeoye Falls, NY 14472 
(585) 624-8000 • Fax: (585) 624-1262

Virtually all thermoplastic polymers can be welded to themselves 
utilizing the vibration welding technique. Vibration welding also 
offers the largest range of welding of dissimilar materials, as well  
as the ability to weld different molding grades (injection molded, 
extruded, etc.) to each other. Since it uses mechanical friction to 
weld, the process puts as much energy as required at the interface 
to melt the plastic. As long as the parts are able to be vibrated 
relative to each other in the plane of the joint, the process may  
be used. 

This method of assembly, when compared with ultrasonic 
assembly, is particularly advantageous for semi-crystalline resins 
such as acetal, nylon, thermoplastic polyester, polyethylene, and 
polypropylene, as well as PVC, cellulosics, thermoplastic rubber, 
and elastomers, filled and reinforced resins, and those exhibiting 

hygroscopic properties. Fillers such as glass, minerals, talc, and 
mica do not present a problem for the process, as long as the 
percentage is kept under 40%. Different grades of a material can be 
welded to each other.

Vibration welding replaces ultrasonic welding in many troublesome 
applications, since the ultrasonic process relies on transmitting 
energy through the part to the joint interface. For example, the 
ability to transmit weld energy is dependent upon the grade of 
material, as well as part shape and size, the percentage of regrind, 
the heat history of the plastic, as well as the color additives, melt 
flow index and filler content. Vibration welding is not subject to the 
same constraints, since energy is not transmitted through the part, 
but rather it is generated directly at the interface.

Branson vibration welders are available for part sizes up to 70” x 
36” and larger. The smallest vibration welder has a footprint of 
36” by 38”. The modular component design allows components 
to be integrated into automated production lines. Multiple 
control levels are available, and many units are capable of 
remote monitoring and diagnostics.

Material Compatibility

Equipment Configurations

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