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Newbie needs to buy a grinder

Adrian,

The roughness of the grind, by any machine that leaves a rough edge, leaves small fissures that form air pockets? perhaps, trapped particles from the grinding process perhaps, the smoother you have the edge, from sawing or grinding, the better off you will be. might check on an ultra fine grinder bit, (I've never seen one, but never looked either), fine emery paper on a stick for those tight inside curves, but I bet you don't do many, it's labor intensive.

Its easiest to adjust the design to make it work with what you have, but where there is a will....

I personally use the 600 grit diamond smoothing wheel on my beveler, leaves a nice soft edge.

Reply to
Javahut
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Speaking of SNUP...your "advice" is, again, totally wrong.

600 grit abrasives are 600 grit abrasives, whether on a WBS or a small tabletop grinder or on a Denver Studio Beveler.

Devit is a chemical phenomenon caused by heat in a kiln, not by grinding.

Where DO you come up with this shit, anyway?

Reply to
Moonraker

Yes - it's been suggested that glass dust gets trapped in the 'grooves' caused by the coarse grinder head......

I've seen people selling coarse / medium / fine grinder bits. Certainly the 'fine grind' seems to solve the problem - but it can be a bit of a tricky one when the 'thing' that you're grinding is a small heart-shaped pendant piece...

I guess it would be.... Hmm - wonder if a fine 'mini-drum' in a Dremel would have the right effect - need to keep it wet - but it's worth a try....

True !

Don't have one of those - or a wet-belt sander (before anybody mentions one.....!)

I've not tried the various other options on my lapidary grinder (it has coarse, medium grinding wheels and the 600-grit drum) - it's possible that the 400 grade wheel would do the job - in which case a little tool-rest close to the wheel would make life simpler, and be a bit kinder on the fingernails

Thanks for the suggestions - just wanted to know that I was going 'in the right direction...

Adrian Suffolk UK

======return email munged================= take out the papers and the trash to reply

Reply to
Adrian Brentnall

A battery operated one, please?

Wet hands and squirting water on a running Dremel bit is a recipe for some shocking results!

If you already have a lapidary grinder, it seems to me that I've seen in a catalog somewhere some cone-shaped diamond "wheels" that are made to fit on the threaded end of a grinder shaft? There you ought to be able to get exactly the radius needed.

Reply to
Moonraker

It's OK - I've got a 12 - 18v 'mini-drill' - sorry - I was using 'Dremel' generically....

You could well be right !

Not a bad idea..... Alternatively - for the sort of volumes I'm producing, some kind of hand-operated 'emery cloth on a stick' deal might do the trick...

You don't think I should get a wet-belt sander, then ??

Thanks again Adrian ======return email munged================= take out the papers and the trash to reply

Reply to
Adrian Brentnall

HI! ........ l \l/

For jewelry, a wet belt sander would be overkill, in sheer size. Dremel, and others makes a 1" wide belt sander, dunk your glass in a bucket of water and hit it against the belt and it works, yoiur hands will feel the glass if it gets too hot. Keep wet hands away from switches and motors and such. Use Caution, and it works well.

Reply to
Javahut

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