Assembly Unlimited - heat & hot air staking spin extruder hot plate infra-red laser vibration welding
Assembly Unlimited
Johnstown, Ohio
Assembly Unlimited
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Hydro Graphic Decorating

Heat & Hot Air Staking, Spin, Extruder, Hot Plate, Infra-Red, Laser, & Vibration Welding Systems


Heat staking and infra-red staking systems available.
Sonitek Inc. spin welders

Extrusion welder--HDPE, Poly Pro, plastic repair, and plastic prototyping
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Drader Injectiweld extruder welder. 

The Drader welder welds all poly-olifins, ABS, TPO, Santav Prene, Nylon, and Poly Carb.  The Drader will give you a 100% bond.  Cleaning and preping most plastic surfaces is not required due to the aluminum contact tip.  Multiple aluminum tips available to give you a welding bead from 1/16" to 1/2" in one pass.  As easy to use as a hot glue gun.


Infra-red welding--infra-red staking, automotive part assembly
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HA Infra-red Welding

Tank Assembly

Window Trim

IR Staking

IR Nozzle Press
Front View

IR Nozzle Press
Rear View

HA Infra-red hot plate welding systems. 

Non-contact welders for your problem resins.  Non-contact welding can be used with all poly-olifins, both filled and unfilled.  Nylons and PVCs weld with no platen contamination.

HA Infra-red staking systems also available. 

High frequency lamps with short cycle time saves you money, time and there is less maintenance.


Laser welder--welds clear and other translucent plastics

Leister Laser Welding Systems

Nearly all thermoplastics and thermoplastic elastomers can be welded with laser radiation – e.g. ABS, PA, PC, PP, PMMA, PS, PBT – even those reinforced with glass fibers. The welding seam strength is comparable with that of the base material.
The laser process requires a laser transmissive plastic to be bonded to a laser absorbent plastic, typically containing carbon black. Special pigments also allow welding of dark/dark and transparent/transparent combinations, as well as of colored plastics.


Vibration welder--friction welding, large part welding

Ultrasonic Seal Vibration Welders

Our linear vibration welders are designed for assembling large and/or irregular shaped thermoplastic parts up to 48"L x 22"W x 22"D, or for assembling multiple small parts simultaneously. It welds virtually all thermoplastic materials, whether injection molded, extruded, formed or thermoformed, as well as dissimilar materials (with compatible melting points), materials with fillers, and composite materials and fabrics.


Contact us in  Johnstown, Ohio, for plastic welding, Ultrasonic wire splicing, custom automation, and tooling sales. Consulting, and services for industrial manufacturing.

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Assembly Unlimited
7100 Green Mill Road
Johnstown, OH 43031-9242
Phone: (614) 579-1079
Fax: (740) 967-2765
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