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3D printing for duplex machining

19 October 2018

Australian manufacturing is embracing additive manufacturing techniques as a way to increase competitive advantage in the face of cheaper overseas competitors.

When general engineering firm Amiga Engineering decided to take the plunge into 3D printing, it chose a ProX 320 DMP metal printer from 3D Systems/Konica Minolta. The choice of metal as the material was in keeping with Amiga’s 30-year history of machining pipe flanges, fittings, and other special components for the oil and gas, mining, petrochemical, marine, medicine, and defence industries.

The new 3D printer enables Amiga to use free geometry to create items that are functional to the upper limits of design rather than being hamstrung by the technology it can be machined on. It’s a heavy-duty alternative to traditional metal manufacturing processes and offers reduced waste, faster speeds, shorter set-up times, and very dense and pure metal parts with leading surface quality.

From medical and dental applications to aerospace and motorsports, the possibilities offered by the Konica Minolta-supplied printer are enormous. It is equally effective using titanium, stainless steel, cobalt chrome, maraging steel, aluminium, Inconel, and more.

After the successful installation of the first ProX 320 DMP, Amiga now has a second machine in place,n SLM 280HL machine. The company is currently working with titanium, 316SS, Inconel718 and aluminium and cobalt chrome. They are looking at future materials in the high-tensile carbon steels field for mould design, and duplex stainless steel for special instrumentation and wearing corrosive parts.

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