Question: Securely Hold A Cuff For Diamond Setting

tazzawazza

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Joined
Mar 20, 2021
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Does anyone have any thoughts, tricks, rigs for solidly securing a Cuff bracelet for diamond setting under the microscope in their vise? I get it done but every time I try some new and nothing is positively ‘steady.’ Need it to be rock solid not moving and the cuff flexs besides. Thanks to anyone for any thoughts.
 

tazzawazza

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Mar 20, 2021
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2
I am going to give that try. I have an oval mandrel here and I’ll cut it up in 1.5 inch sections & hot glue the bracelet to it. Thanks! I think might work. I will let you know.
 

mdengraver

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Chujybear

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I use hot glue for most applications. But if immobility is key (outside of grafting a perfectly contoured jig out of wood or metal) I use shellac. It is rock solid. Will break before it bends, which is what you want if you are texturing reppouse, or setting stones, as the case may be.
 

silvermon

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Mar 26, 2014
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Davenport, Iowa
Good comments above, and I would add that with a little search, you will find that pitch can be adjusted for hardness versus flexibility. I usually use a softer mix and freeze it. Gives me a hard working support, but easier to remove the object from the softer pitch mix. Tar pitch seems more versatile to me, but I use resin pitch as well, and get good results.
 

PS_Bond

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Jan 5, 2007
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Southampton, UK
The classic setter's pitch/wax is usually shellac based; I've got that, pine-based pitch and bitumenous pitch. The first 2 are less hassle to clean up.
 

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