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0.8 burr cup in conjunction with a Foredom?
Hi all,
Wondering if you could help. I am looking to purchase a burr cup in 0.8 to round the ends of ear studs. I want to use it in conjunction with my Foredom.
Would either of these be suitable as I know the shank needs to be a certain size but can't work out the inches conversion.
http://www.cooksongold.com/category_...0.8mm+cup+burr
Thanks in advance.
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The standard shank size for our needs is 3/32" or 2.35mm (close enough).
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I use a 1mm burr for all of mine, even the 0.80mm wire.
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Thanks for that advice.
Patstone - can I ask why? Is there any greater advantage to this?
Many thanks
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Cup burrs are measured by their outer diameter, so if you're wanting to round off 0.8mm wire, you'll have a problem, as you actually need a 1.2mm cup.
Twincut versions do a better job as they actually clear the swarf as you work - the regular ones clog very quickly, and can blunt just as fast.
You'll usually still need to finish off with a fine file, emery board or micromesh to be absolutely sure they're completely smooth, and watch out for cut marks from the edge of the cup.
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I don't use mine much,prefer the hand finish.
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Thanks for this advice Mizgeorge.
Patstone - do you use a hand held cup burr then or do you just shape by sanding?
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You might consider a medium silicone wheel, as a cheaper option. They will also finish the edges of sheet, and when they need re- shaping they can be run on any diamond covered tool you happen to have.
http://www.cooksongold.com/category_...ilicone+wheels
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I just use a roll sander for mine.
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Thanks Dennis - I think I have one of these in my kit I got with the foredom - I will dig it out.
Carole - newbie question - what is a roll sander?
Thanks
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