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Thread: How were these made?
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25th January 2012, 07:29 PM #1
Novice
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How were these made?
Hi,
I'm hoping that somebody here can advise me on how the items in the attached photo were produced.
They are made from 0.5mm anodised aluminium and have double-sided tape to the rear and a protective plastic coating on the front that I have slightly peeled back in the photo. The plates are usually engraved and are used on plaques and trophies etc. and I would like to be able to produce significant numbers of them each month. I can obtain plenty of the ali plate with adhesive and guillotine it in straght lines, but how can I cut these shapes out?
I kinow very little about metalwork but I would guess that these have been punched from sheet using a die. What sort of equipment would I need? Would I need a different die for each size/shape? Is it expensive, large and noisy? If so, how much?
Another option might be laser-cutting but I've been told the edges would not be satisfactory, Any ideas?
Or maybe a water jet?
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25th January 2012, 08:17 PM #2
Old Boy
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More likely they have been struck from a sheet with a die as you suggest.
To go down this road for you would be expensive as you would need a press and then make or have the dies made. Making dies is not a pastime for home hobbyist unless you have trade background in toolmaking and the machinery to process the materials needed
Water jet may work ,but I suspect the plastic film would cause problems
Another solution would be to cut them on a CNC router from a sheet.
There is a CNC forum on this site ,maybe if you ask the question there you may be able to find someone close by who will do the job for you at a reasonable fee. They are a pretty friendly bunch.
I saw on Ebay recently some CNC router machines from China for around 1500 dollars , may open a new door for you.
Kev."Outside of a dog a book is man's best friend ,inside a dog it's too dark to read"
Groucho Marx
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25th January 2012, 08:30 PM #3Dave J Guest
As Kev said for the home shop a CNC router or mill would be the way to go. You never know someone over there might be interested in doing them for you.
There are a few routers on ebay from China and they are selling for around $1,500
Dave
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25th January 2012, 08:44 PM #4
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could try laser cutting, comes out quite smooth on thin material.
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