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Anodizing

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Steviegtr28/01/2020 23:05:34
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Does anyone have any experience with anodizing. Also would it produce the results i am after. I am making coin rings & some are a mixture of Zinc & other metals. After a few days of wearing them it makes the finger go black. If i anodized the the inside of the ring would this stop the effect. There are other ways of doing this. One being to clear laquer them. But after a time that would wear away. Any advice appreciated.

Steve.

Grindstone Cowboy28/01/2020 23:44:51
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I'm probably wrong, but I thought anodising only worked on aluminium and it's alloys? Neil Wyatt (amongst others) has posted a number of times about anodising - for example here.

If you do a search for anodising ( at the top of the thread you'll see "Search for: in Thread Title in All Topics", just enter 'anodising' as the keyword and click the 'Go' button), you'll find many threads referring to the subject.

Hope this helps.

Steviegtr29/01/2020 00:13:46
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469 forum posts
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Yes reading deeper not sure you can anodize zinc. Will keep looking.

Steve.

David George 129/01/2020 08:07:05
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Try Gateros plating they do courses on how to anodise as well as supply equipment. They also do other plating as well I have heard of gold plating to stop getting a black finger.

https://www.gaterosplating.co.uk/anodising-main

David

Neil Wyatt29/01/2020 10:35:20
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The chap in that video silver soldered a ring of sterling silver inside.

You could try a 'gold plating pen'.

Neil

Steviegtr29/01/2020 14:25:15
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469 forum posts
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Posted by Neil Wyatt on 29/01/2020 10:35:20:

The chap in that video silver soldered a ring of sterling silver inside.

You could try a 'gold plating pen'.

Neil

Yes I have seen the silver lining done on that Japanese coin I posted. On reading more into this & being the div I am. I did a wiki on the half crown & old 2 shillings of which I have a lot. There is no Zinc in them it is .Get this right. Cupronickel. Two thirds Copper & one third Nickel. Both of which it seems can be successfully anodized. The idea was to create some sort of barrier to the outside of the ring & Anodize the inside. Which on some could include a colour.

Can be a problem buying sulphuric acid these days apparently Those kits mentioned above have no mention of having to buy anything else. Looks like a complete kit. Managed to pick up a 2" BSP S/S socket & ordered 2 chunky bungs. Idea to create a self centring hole punch & use cut down drill as the punches. The ones from the US are ridiculous in price. I have punched out 3 coins ,where I have not got the hole perfectly centred. This takes ages to correct. Hence making something to make it idiot proof.

Steve.

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