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PostPosted: Mon Nov 05, 2018 6:39 pm 
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Location: Abingdon Oxfordshire
Phew........ That mini sprint badge is a sight to behold Mark. If that's an example, count me in!!!!!!!

As I understand i Mark, are you saying that the water jet cut badges would look too sterile as opposed to cheapo alloy cast?

While I'm conversant with water jet and laser cutting, I'm a dumbo when it comes to printing. Will you enlighten me and the flock Snoopy


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PostPosted: Mon Nov 05, 2018 8:30 pm 
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Ok on the face of it it’s a simple process.. take a 3D scan of the object and then 3D print it, can be polymer can be a binder/alloy (then heat treat). Nickel alloys are my thing.

Google 3D printing or Additive Manufacturing and you will see what’s possible....

Famously the International Space Station needed a tool to adjust something so nasa emailed the drawings to them and they 3D printed the ratchet and socket!!

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PostPosted: Mon Nov 05, 2018 9:07 pm 
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Can you 3D print a 1071S for me , please :mrgreen:


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PostPosted: Mon Nov 05, 2018 9:15 pm 
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I have one I no longer want


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PostPosted: Mon Nov 05, 2018 9:43 pm 
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:D :D
Exminiman wrote:
Can you 3D print a 1071S for me , please :mrgreen:

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PostPosted: Tue Nov 06, 2018 12:42 am 
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:) :) :) :) :)


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PostPosted: Tue Nov 06, 2018 9:15 am 
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I have done a bit of 3D printing too :)

While this could accommodate the radius on the corners that water jet or laser can't. The definition is in my experience quite hard to get without the printing being very expensive. But I could be wrong here. I don't have my own printer & am hostage to 3rd party suppliers.

A few years ago I had a very early Speedwell badge 3D printed that someone wanted for a Sprite. It was pretty good but the surface was far from what you would want for chroming.

People are offering 3D printed Mini badges now, but in plastic, with the associated surface texture issues.

Https://www.ebay.co.uk/itm/Classic-cars ... SwlGtbauea

Snoopy64, If you have access to decent quality 3D scanning & printing equipment then it would certainly be worth looking into. Most of the many generation cast from cast badges currently available are horrid.

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PostPosted: Tue Nov 06, 2018 5:54 pm 
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Ok, I'll let you know how it goes when I get round to it, but surface finish won't be an issue, I have a number of finishing processes to chose from...

Kevin

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PostPosted: Wed Nov 07, 2018 9:43 am 
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I look forward to seeing your progress.

If you need any NOS badges to scan, I have a few that I'd be happy to lend.

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PostPosted: Thu Nov 08, 2018 12:06 am 
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Location: Tasmania, Australia
My workplace is experimenting with 3d printed investement casting. Theorectically you could 3d print the masters in something like PLA plastic then have brass or bronze casts made off them. The cast badges would need to be surface finished in the conventional way, but they would chrome at least as well as the muck metal used in the original badges.

A CNC mill with a small cutting bit would make short work of carving them out of a lump of solid brass too, but I imagine you'd need to make a fair number of them to justify the setup costs.

Tim

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