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Plastics welding procedures for seamless, safe production

by Oct 1, 2020Pipe & Tube Bending

A leading competency at Axenics is our plastics welding. We weld thermoplastics, including fluoropolymers, in tighter tolerances than our competitors can achieve. Our proprietary method of welding plastics does not alter the chemical makeup of the piping and does not compromise the piping in any way. 

Our plastics welding method is an important distinction for engineers working in chemical manufacturing, medical device manufacturing and semiconductor manufacturing, as our welded plastic piping provides a flawless and consistent transportation system of potentially dangerous and harmful chemicals and gases.

Plastics welding for chemical manufacturing

We’ve produced flawless plastic piping systems for chemical manufacturers for more than 35 years. Plastic piping is the smart choice for storing, using, transporting and delivering a variety of chemicals within your manufacturing process. The nature of some harsh chemicals means they can quickly erode metals. Our decades of experience ensure your critical subsystems run smoothly and without issue. We produce chemical handling delivery systems for clients’ exact specifications, while also providing space and cost savings.

Plastics welding for medical device manufacturing

Axenics’ unique approach to plastics welding is a boon for medical device manufacturing. Plastic piping used for the transportation of a variety of liquids and gases requires high-purity, contaminant-free, consistent and efficient welding. Our in-house technique is used to produce precise, flawless, repeated welds that fit perfectly into your production space.

Plastics welding for semiconductor manufacturing

Axenics’ plastics facility is utilized for precision assemblies, and it’s been a point of pride to see our components used in advanced low-energy manufacturing processes for the semiconductor industry. We use our tested and vested procedures to provide solutions for all your critical delivery subsystems where plastics make the most sense.

Socket welding

Two types of plastics welding we do in-house are socket welding and butt welding.

In socket welding of plastics, the male pipe bonds into a female fitting. This is achieved by heating the inside of the fitting and the exterior of the pipe for a certain period of time, and then adhering them together. A solid bond forms during the cooling process.

If you look at a cutaway of a socket weld, you’ll see a solid, permanent bond.

Most of our socket welding is performed via welding machines. Our technicians also perform hand welds to meet certain dimensions.

Butt weld vs socket weld

On socket welds, there’s a tiny lip formed on the inside of the pipe when two pieces of plastic bond together. With traditional butt welds, two flat pieces of pipe bond together forming a bead inside the bonded pipe where the pieces adhere, due to heating the two pieces of plastic and pushing them together.

However, a bead inside the plastic can cause chemicals to get trapped inside the pipe. There is bead-and-crevice-free equipment that enables you to perform butt welds without the bead of plastic inside the pipe.

Another benefit of our signature butt welding technique means there is no filler material and no back welding required to create a flawless weld.

Additional plastics welding

Some customers require thermoplastic frames for the transportation systems for chemical engineering productions. We use a computer numeric controlled router to program the cutting of the plastic frame pieces or components. 

Some acids can completely destroy metal tanks, but the fluoropolymers we use are heat- and chemical-resistant and stand up to these nasty acids.

Axenics’ in-house plastic experts have decades of experience innovating thermoplastic welding and bending techniques. There’s virtually no limit on the length of thermoplastic pipe we can weld and bend for your production, and no limit on the complexity or number of welds.

Our shared goal is creating a transportation system with a constant, consistent flow.

One important thing to remember is, two completely different plastics cannot be bonded, but if the plastics have a similar chemical makeup, we are able to achieve perfect bonds.

Do you have low-pressure canisters that need to be requalified?

Axenics is DOT certified for this type of testing. Contact Us to learn more.

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