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01-07-2014, 04:04 PM #21
- Join Date
- Nov 2013
- Location
- Christchurch, New Zealand
- Posts
- 6
Here is a DIY metal 3D printer using a MIG welder. http://www.3dprinterworld.com/articl...ed-mig-welders The output is not exactly high res but there may be scope for refinement.
I had seen the mini metal maker that uses metal clay from a syringe and relies on firing in a kiln after printing. Parts shrink heaps with firing. This thing is really only good for making jewellery. I doubt it would scale economically or technically to normal reprap scale parts.
I have also read of someone making an ABS female mould and casting low melting temperature metal into it, then removing ABS with acetone. Messy but do-able for decorative (but not particularly durable) metal parts.
I know that it isn't exactly DIY, but using your 3D printer to make PLA parts then having them turned into metal castings at an investment casting shop is a damn fine alternative to direct 3D metal printing. I have recently used this path to make some replica parts in brass for a vintage car. Finished parts come out exactly the same (but 2% smaller due to shrinkage) including detail of 3D printing surface finish. You could make parts in any metal that your local casting shop handles - aluminium, bronze, brass, stainless steel, cast iron. It won't replace normal processes for investment casting of parts in significant numbers, but for one or two off it is fantastic.
New to 3d printing looking for...
05-20-2024, 12:56 AM in Tips, Tricks and Tech Help