INFRARED PLASTIC WELDING

Tuttle, Inc. can now assist you with installation and welding of High Purity Plastic Pipe using a CNC Infrared Welder. This new, fully automatic welder enables Tuttle to precision weld pipes and fittings from 20 mm up to 90 mm OD. It operates using a fully automated control program sequence and weld log memory.

Weld parameter settings are input through bar coding or code entry from the keyboard of the CNC-unit. Connection directly to a PC is also possible allowing a thorough evaluation of measurement values, weld validation, and system diagnostics.

Description of the process

Plastic pieces are positioned with the ends a certain distance to the heating element until the material is melted. The input of heat is performed through infrared radiation and is not limited by the maximum temperature of a nonstick coating. The heating element is then removed and the molten surfaces of the plastic pieces are pressed together. The pieces cool down under pressure until the melt is re-solidified. No weld fillers are needed.

The CNC Infrared welder welds materials such as polyolefins, fluorine plastics, and chlorinated plastics. The material of choice is PVDF (Polyvinylidene Flouride), but the welding of other materials like PP (Polypropylene) or PVC (Polyvinyl Chloride) is also possible. The chemical bonding of the fluorine atoms lends itself well to PVDF. Special attributes of the welds include:

• high chemical resistance to aggressive acids, aliphatic and aromatic hydro-carbons as well as a large number of inorganic and organic compounds
• outstanding thermo stability
• excellent combustion resistance
• excellent resistance to aging

Contact Tuttle Inc. today for your plastic pipe welding needs.

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