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Aluminium Extrusion from McKechnie

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Aluminium Extrusion

Remelt Casthouse

This is where it all starts - casting aluminium logs for the extrusion process.

McKechnie operate New Zealand's only remelt casthouse which offers us two significant advantages.  

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Firstly, we have total control of the casting process which is important for ensuring consistency in the quality of aluminium logs we produce for extrusion.

Secondly, by using recycled aluminium scrap from our own manufacturing process and scrap sourced from other New Zealand extruders, we are doing our bit to save the environment.

The energy consumed to make extrusion from recycled aluminium is 10 times less than the energy required to make an equivalent amount of extrusion from virgin aluminium sourced from the aluminium smelters.

Learn more on Custom Aluminium Extrusions

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Aluminium Extrusion

Alloy

Our extensive knowledge of the remelt process has enabled us to have total control of the process from the start allowing McKechnie Aluminium to cast not only a range of standard alloys, but also specialty alloys by request.

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Aluminium Extrusion

Design & Development

McKechnie® has its own design team to help our customers navigate potential pitfalls when it comes to extrusion design.

Our team guides customers through design tolerances, moments of inertia, and other intricate characteristics of aluminium. We can highlight potential areas of concern and recommend possible improvements to ensure the customer gets the right product.

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Aluminium Extrusion

Extrusion Dies

McKechnie® outsource  extrusion dies from specialist die makers allowing us to extrude complex profiles.

Our on-site die correction team maintain our production dies after each run ensuring that the extrusions are within tolerance and to the customer's specifications at all times.

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Aluminium Extrusion

Presses

Being New Zealand’s first extruder, McKechnie® prides itself in providing quality extrusion to the market.

Our two presses are well maintained and provide the most comprehensive options for extrusion in New Zealand.

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Two direct type extrusion presses:

McKechnie® operates two extrusion presses.

A 7 inch and a 9 inch with 10-inch capability for certain shapes.

Our 9-inch press is state-of-the-art and provides local options for supply of larger and heavier extrusion designs.