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Unlock the Power of Plastic Welding: Strong Connections, Lasting Solutions






With kind support from
Roos & Co. Plastic and Metal Processing GmbH, Montabaur
 

Plastic Welding: Processes, Benefits, and Detailed Application Areas

Discover everything you need to know about plastic welding. Plastic welding is an effective process for the permanent joining of plastics and finds wide application in various industries such as plastic processing, construction, and automotive.

Plastic welding employs different techniques to bond plastics together, including hot air welding, extrusion welding, ultrasonic welding, and vibration welding. Each technique has its specific applications and advantages.

Hot air welding is one of the most common methods used for joining thermoplastic materials. It involves using hot air to soften and melt the plastic surfaces, enabling them to be fused together.

Extrusion welding is mainly used for pipes and profiles. In this method, a welding rod is heated in a welding gun and introduced into the gap between the plastic parts to be joined. Through pressure and heat, the plastics melt and form a strong bond.

Ultrasonic welding utilizes ultrasonic vibrations to weld plastic parts together. This technique is particularly effective for small plastic components, allowing for fast welding times and precise control of the weld seams.

Vibration welding is similar to ultrasonic welding but employs lower-frequency vibrations. It is commonly used for larger plastic parts, such as vehicle components.

Plastic welding offers numerous advantages over other joining methods. It creates strong and durable connections that are often as robust as the original material itself. Precise welding parameters enable the production of accurate and uniform welds. Additionally, plastic welding provides cost savings as it eliminates the need for additional fasteners or adhesives.

In practice, plastic welding is applied in various fields. It is used in the construction of containers and pipelines in the chemical industry and water treatment. In the automotive sector, plastic welding is employed for manufacturing plastic parts like bumpers, panels, and interior trims. The construction industry relies on plastic welding for roofing, windows, doors, and other building components. Furthermore, the electronics industry utilizes plastic welding for producing housings and connectors.

To achieve high-quality results in plastic welding, several important considerations should be taken into account. These include selecting the appropriate welding method based on the type of plastic and application. Surface preparation through cleaning and bevelling is also crucial. Moreover, meticulous control of welding parameters such as temperature, pressure, and welding time is essential to ensure optimal weld quality.

For professional results, we recommend consulting an experienced plastic welder or collaborating with specialized companies equipped with the necessary expertise and state-of-the-art equipment.

Learn more about plastic welding and its versatile applications. Contact us for further information and benefit from the expertise of our professionals.


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Plastic pipe systems


Overview of plastic pipe systems
Technical information on ABS pipe systems
Technical information on PVC  U pipe systems
Technical information on PVC  U transparent pipe systems
Technical information on PVC  C pipe systems
Technical information on PP pipe systems
Technical information on PP-R pipe systems
Technical information on PE pipe systems
Technical information on PVDF pipe systems

Chemiedur - pipe


Technical information on UP-GF (FRP) pipe systems
UP-GF (FRP) pipes
UP-GF (FRP) molded parts and connection
UP-GF-PP (FRP) molded parts and connection
UP-GF (FRP) adhesive collars
UP-GF (FRP) loose flanges
Pot Strainer DN 200 - DN 500 Inliner PP/FRP Coated
Pot Strainer DN 200 - DN 500 Inliner FRP/CBL Coated
Angle Seat Strainer DN 200 - DN 400 Inliner FRP/CBL Coated
Manhole mad of FRP and PP/FRP

Plastic pipes


Calculator for cutting pipes
Guidelines for sawing plastic pipe
Leftovers in plastic pipe
Standardization of plastic pipes and molded parts
PVC U pipes deviations
Pressure loss in pipe systems out of PVC U, PVC C and ABS pipe systems
Distinction between Rp, R and G threads
Screw lengths for flange connections

Plastic fittings


PVC U transparent ball valves
Diaphragm valves
Block valves
Butterfly valves
Plastic needle valves

 

Plastic Valves according to ATEX


New EU guideline 2014/34/EU
Plastic Valves in EX zones
Y-Strainers PP-EL DN 15 - DN 50
Check valves PP-EL DN 15 - DN 50
Angle seat valves PP-EL DN 15 - DN 50

Bonding of plastic pipes


Bonding manual
Video showing the bonding of pipes

Plastic welding


Guidelines for extrusion welding


Grids / support grids


GFK grids
Grids out of PP -el electrically conductive
Profile support grids out of PP -el electrically conductive


Molded ventilation parts


Ventilation technology


Chemical hose


PVC transparent hose with fabric inlay


Industrial tanks and chemical containers


Dosing tanks and outer containers 35 – 1000 Liter
Salt dissolving tanks 60 -5000 Liter
Storage tanks and vats
Storage tanks for water
Safety and collecting troughs
Industrial tank delivery program
Dosing tanks with agitator
Dosing tank agitators
Dosing tanks with attachments
Dosing tanks made of sheet material
Customized chemical containers
Dosing tanks with level indicators



 

IBC TANKS/CONTAINERS


IBC screw caps DN 150/DN 200
IBC adapters out of PE
IBC adapters out of PP
MULTI FLEX BLOCK for IBC BULK CONTAINER


Attachment parts for tank construction


Vapor separators
CO2 - absorbes
Manholes
Revision nozzles
Block flange

Filter housings and filter cartridges


PENTEK 3G Slime Line filter housings
PENTEK 3G Standard filter housings
PENTEK Big Blue filter housings
PENTEK PP high temperature filter housings
PENTEK PP all nature filter housings
PENTEK filter bags for Big Blue filter housings
PENTEK surface filter cartridges
PENTEK filter cartridges for depth filtration
PENTEK filter cartridges with activated carbon
CINTROPUR filter systems
CINTROPUR water filters

Flange configurator


Blind flanges, loose flanges,  rectangular flanges

Chemical resistance


Table of chemical resistance for plastic pipe systems
 

Machined plastic parts


Inserts
Screw-in parts
Threaded fittings
Screw fittings

Milled plastic parts


Loose flanges and blind flanges made of sheet material

Static mixers


Static mixers made of plastic

Strainers


Single-type and double-type strainers
Pot strainer DN 300
Angle seat strainer DN 500


Flow meters


Variable area flow meters
Configuration tool for flow meters

Filter presses


Laboratory filter presses

Injection molded parts


Scraper made of PE for filter press

Kwerk Practice Blog


The Kwerk team blogs from the field here



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