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Aluminium Extrusion Powder Coating Process

October 17, 2016

A strong union is created when extruded aluminium experiences the finishing power of a contemporary powder coating process. The intricately shaped rods have been manufactured according to enhanced engineering guidelines, as dictated by the latest and greatest architectural principles, but they form a companionable amalgam when they're exposed to dry coating technology. In service of this symbiotic relationship, here's a look at the aluminium extrusion powder coating process.

Extruded Fencing

A fixed cross-sectional area defines fence tubing, so the die-shaped extrusion process works well here. Melted billets are shaped and passed over to a post-processing stage, where they're powder treated until the fence panels can properly handle the elements. Once here, the panels are electrostatically charged, coated, cured, and pushed into service, all thanks to a turnkey process that can employ any colour and any textural patina.

Expanding on the Extrusion Principle

It's the thin outlines and application leanings of extruded aluminium that bind it so tightly to powder coating technology. The thin rods and precisely die-cut rails fasten together to create window frames and conservatory enclosures. Just apply a powdery resin loaded with a blanched pigmentation agent or one that cures as a milky-white reflective finish when completing a modern conservatory's outer skin.

Intelligent Thickness Management

Particular attention is placed on the thickness of the curing resin, for the refined profile of the thin rods means everything during the installation stage. Conversely, fencing panels use a slightly thicker layer of melted resin, all the better to really underscore the impact-resistance feature of the fence. Meanwhile, connecting linkages must interlock exactly, so a finer coating is preferred.

Describing the Process

Aluminium extrusion takes place on a workshop floor, but the powder coating station can obviously be situated nearby. As for the formation of the straight rail of lightweight aluminium, this is a linear shaping technique. It uses a die, a special cutting tool that's shaped like the elongated metal product. In effect, the raw material is heated and forced through the cutting opening by a ramming mechanism. It, therefore, assumes the shape of the die, at which point it's cleaned of all manufacturing detritus and transported to the powder finishing equipment.

The aluminium extrusion market is experiencing heavy growth. There are building facades, modular panels, window frames, fences and countless other products that use this manufacturing process, so it surely makes a great deal of sense to partner an environmentally sound and dry coating process with this construction-oriented manufacturing process.

GP Industries Pty Ltd

Head Office

1 Regal Court,
Vermont South VIC 3133

Phone: (03) 9802 1355

Fax: (03) 9802 6027

Email: gp_ind@bigpond.com


Factory G,
20 Burgess Road,
Bayswater North VIC 3153

Phone: (03) 9761 7676

Fax: (03) 9761 7671

Email: gpfactory@bigpond.com

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