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December 11, 2018, 05:15:32 pm
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A simple 6 prong sterling silver mounting with 3 solder joints.

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Author Topic: A simple 6 prong sterling silver mounting with 3 solder joints.  (Read 7701 times)
39don
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« on: January 03, 2011, 09:08:56 pm »

I have been asked to show how I make my pronged mountings so lets have a go at it.

I'm attaching 3 photo's to help in relaying my smithing method to you.

The 1st photo has a shepherds hook and 2 pieces of wire cut to length. The hook is made with a eyelet (no bail) that is also a prong. The 2 wires are dimpled to cross the hook and lie flat when soldered to it.This mounting will be sized to the Lapis cab.

The 2nd photo has the hook laying atop of the dimpled wires, note the sharpie marker for the wire locations.

The 3rd photo is of a mounted Imperial Jasper cab and the back of another mounted cab.

I use 14 gauge 1/2 round dead soft sterling silver wire.

I file and polish the wire end first then bend the hook prong (3/16') then form the eyelet. Soldering the eyelet of the hook closed. Pickle

Place hook on a charcoal block with eyelet hanging over edge flat wire side down. Lay the dimpled wires flat side down at their marked locations. Flux and solder, be sure that you don't get too much heat on the eyelet end as it will melt very quickly. Pickle

Place mount on table with eyelet facing up put the cab on mount and scribe a line on each wire at base of cab. Measure how high you want the prongs to project up the sides of the stone.  I find  a small domed stone is around 3/16" and a high domed stone 1/4" + . Cut at wires at the measured marks (not scribed marks), file and polish.
Using flat nose pliers bend prongs to a 45 degree angle on the outside of scribed line, place stone in mount and complete bending prongs to capture stone. Polish again.

I believe I have covered all aspects of this project but maybe someone has a question......I'm waiting.    yippie

Don

 


* js46_IMG_0324.jpg (290.37 KB, 900x1200 - viewed 136 times.)

* js46_IMG_0325.jpg (271.39 KB, 900x1200 - viewed 141 times.)

* js46_IMG_0330.jpg (266.74 KB, 1200x900 - viewed 128 times.)
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Allen
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« Reply #1 on: January 03, 2011, 10:11:15 pm »

Thanks for that Don, you have said it all.

My next stop is to place an order for wire, Have to try it out.
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thewrightthings
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« Reply #2 on: January 03, 2011, 10:49:30 pm »

Don, thanks so much for that primer.  I've had an extremely rare and unusual stalactite that I've been trying to figure out how to set, and that is perfect for what I'd like to do.
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39don
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« Reply #3 on: January 03, 2011, 10:58:58 pm »

Paula, I'd love to see it when you get it completed.......

Don
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christopherl1234
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« Reply #4 on: January 04, 2011, 12:03:11 am »

Thank you for sharing Don.
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Taogem
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« Reply #5 on: January 04, 2011, 12:59:35 am »

I just replied to the other thread asking to see the back side of one of the pendants.

Then came here and saw this..

Thanks a bunch for showing this.. !
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thewrightthings
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« Reply #6 on: January 05, 2011, 09:03:45 pm »

Don,
 I will definitely put it up when it's done.  It's so rare that it deserves gold, so I only want to do it once.  No screwups allowed.
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Allen
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« Reply #7 on: January 06, 2011, 10:53:14 pm »

I have just completed my first 6 prong setting.



With the benefit of the picture the prongs could be a little tighter.

My question to Don or others; Due to the construction being simple wire do you use any glue on the back of the stone near the edges to stop movement of the wire?

I see problems particularly near sharp edges such as top and bottom. 
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Taogem
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« Reply #8 on: January 07, 2011, 01:35:25 am »

Way to jump on the band wagon Allen !!

Great job..   yes

Beautiful choice of stone too..

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39don
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« Reply #9 on: January 07, 2011, 07:43:16 am »

Allen I don't use glue but often thought about using it on rather large stones at the eyelet only.

Your mounting looks great and just maybe you should have the prongs a little longer.  You'll get more comfortable with this style after a few more times at the bench.

Hang in there, you have a great start going.........

I hope eneryone enjoys this mounting as much as I do.   yes

Don
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Allen
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« Reply #10 on: January 09, 2011, 03:45:39 am »

Have done a few more, will show them so members can learn from my mistakes.

The major one is leaving the arms too short, it may be wise to leave them a little long then trim on final closing.

First two are cabs


The next two shots are tumbled agates, the sides are irregular in height.
You will be able to see some prongs are to short, some are longer than necessary and will be able to be trimmed.
A major benefit of this form of mounting is the cost of raw materials, silver.

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« Reply #11 on: January 09, 2011, 05:51:31 am »

Whow,

Don and Allan, that looks fantastic! ura

I think I should take some basic lessons in Silver - work.
My way of drilling some cabs is absolutely unnecessary. hide

Greetings Kurt

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« Reply #12 on: January 09, 2011, 06:55:51 am »

Allen, It looks like you have the bull by the tail, you're getting there.

Kurt, the best things about this mounting style is it's easy, shows off the stone and is not a costly or time consuming mounting.

Seeing Allen's accomplishments this soon and the added comments from others really gives me a warm fuzzy feeling!!!!!!!   yippie

Don   ura

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Taogem
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« Reply #13 on: January 09, 2011, 11:11:26 am »

Super cool Allen !

I imagine a person could tumble these finished pieces so as to work harden the prongs ? So they are more stiff/sturdy ?

Great work and wonderful tutorial !!
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« Reply #14 on: January 14, 2011, 08:50:15 am »

Thanks... will be giving this a try soon.

RickN
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Allen
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« Reply #15 on: January 17, 2011, 06:29:19 pm »

I tried the silver in a vibrating tumbler for 24hrs, didn't seem to harden them up all that much. Maybe the silver spends most of the time on the surface, I use metal pellets.

Then tried a glue, quick set super glue. No good at all.

Finally a 2 pack epoxy adhesive (Araldite super strength) seems to work fine sets clear and looks OK.

I put a small dollop (with a tooth pick) where the wire comes around on the back of the stone on each tong.
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39don
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« Reply #16 on: January 17, 2011, 09:23:51 pm »

I tried the silver in a vibrating tumbler for 24hrs, didn't seem to harden them up all that much. Maybe the silver spends most of the time on the surface, I use metal pellets.

Then tried a glue, quick set super glue. No good at all.

Finally a 2 pack epoxy adhesive (Araldite super strength) seems to work fine sets clear and looks OK.

I put a small dollop (with a tooth pick) where the wire comes around on the back of the stone on each tong.

Allen,

I never tumble any of my silver mounting. When I solder the cross wires I just let them air cool then pickle and cut to fit stone. As I said earlier that I will use flat nose pliers and bend prongs at scribed locations, place stone in position and finish the bending of each prong. Then polish each prong to clean up any scratches or file marks.

Sometimes on a smaller ie. long tapered stones it may be necessary to place a dab of epoxy close to the top prong as it will move sometimes. I very seldom use any epoxy.    dunno

Don 
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mirkaba
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« Reply #17 on: January 18, 2011, 10:28:44 am »

If you hammered the setting before setting the stone and cleaning it up. It would be stronger. Just an idea............
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« Reply #18 on: January 18, 2011, 11:32:14 am »

Tumbling with stainless steel shot will work harden the sterling.  After final polishing I've used a friend's vibrating tumbler in the past to do this to certain delicate pieces and it works well, but, it's not necessary for all pieces.
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« Reply #19 on: January 18, 2011, 10:23:01 pm »

Tumbling with stainless steel shot will work harden the sterling. 

Yep.. This really should do the trick on the prongs.
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Allen
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« Reply #20 on: January 19, 2011, 04:29:14 am »

George as I said earlier my silver seemed to bounce on the surface, the stainless steel shot only gave it a glancing blow. The silver wire seems to light to sink into the shot.

Something I googled may be of use

The youtube talks of using Argentium sterling silver, sounds good.

Have any of our members had experience with this silver?
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39don
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« Reply #21 on: January 19, 2011, 07:23:10 am »

George as I said earlier my silver seemed to bounce on the surface, the stainless steel shot only gave it a glancing blow. The silver wire seems to light to sink into the shot.

Something I googled may be of use

The youtube talks of using Argentium sterling silver, sounds good.

Have any of our members had experience with this silver?

Great info Allen.

I've just got some Argentium silver in but not used any yet, most of it is for wirecraft. The cost over sterling isn't much higher as when my last order before the large increase.

Gregor said that he had and he truly likes it......

Don
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« Reply #22 on: January 19, 2011, 09:58:19 am »

Gregor said that he had and he truly likes it......
[/quote]

yes, in fact I love it.  But what is so exciting to me is how incredibly well and easily it fuses.  This piece could have been made without the crimping and soldering by just putting the arms next to the straight long piece and fusing them. It is terrific.

This other info about hardening in the oven  (can also anneal at a higher temp - I think it is 565F for 30 min (but check on that).  I like his polishing method, I will have to try.  I will make a movie when my wife gets back with the camera. Should be about the end of January. 

all in all:   Great Stuff@
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Stay healthy in 2011.  .  .  . and don't forget to eat some dark chocolate!

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« Reply #23 on: January 19, 2011, 11:09:25 am »

I have read that Sterling Silver can be heat hardened by heating at 600 deg. f for 2 hours and then air cooling. I use 14 ga. half round for prongs on my larger cab prong settings, never cut them over 3/16" in length though and they are more than hard enough after normal working/shaping. I have not been able to attain satisfactory results hardening Sterling in my tumbler but it is a vibe and I use porcelain beads. If I were wanting to use this type of setting I think hammering (artistically of course) would probably be the most viable course of action.
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« Reply #24 on: January 19, 2011, 11:42:15 am »

Really great video Jim.. Fun to watch !

I too have not tired the Argentine..
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wayoutwest
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« Reply #25 on: January 22, 2011, 10:11:33 am »

I haven't used Argentium silver but there has been extensive discussion on the Orchid Digest.  If you go to Ganoskin Project and use the search engine there will be a lot of hits on Argentium.

http://www.ganoksin.com
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RoyKims
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« Reply #26 on: January 24, 2011, 11:37:21 am »

slick job..   thanks
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Ltpaulbtv
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« Reply #27 on: April 19, 2013, 06:14:07 pm »

Thanks for showing how you did the setting.  I'm just learning how to soder now and have some wire to work with.  Now I'll have to make some.

Thanks!
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