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Flat lapx / discs - Most aggressive


#1

Thanks for helping I am seeking the most aggressive diamond disc
made. Also must have a long life span. Needed for heavy stock
removal of hard agate materials. Forms to be shaped are all types…
Not just flats, but rounded and mixed shapes as well

Anyone having experience or even just recommendations, for what might
be the " BEST " diamond disc out there today .

So far I have discovered, but have NO experience with them however,
the following discs to consider.

Crystalite. Ripple disc. Only a 100 grit / mesh.
Crystalite. Dot disc. 60 grit/ mesh
Lapcraft. Islander disc. 40 grit

Anyone use these discs ? 	Any opinions of the manufacturers quality.
The diamonds they use. 	The amount of diamonds. The cutting quality

of the disc, after the disc has gone through half its life… The
surface faces… RIPPLE or DOT or ISLAND – Which would be
most aggressive and long-lasting…

Also… ANY OTHER manufacturers to consider, who make aggressive,
high quality diamond disc, with diamond mesh sizes, of 30, 40 and 60
grit.

I’ve conferred with the above manufacturers, but, of course, they
all say their product is the “best” and won’t state any,
“proprietary” diamond compositions…

Thanks for any help, experience and or insight you can offer.

RnL


#2

RNL: Try looking at the Hitech Diamond waffle diamond disc. I have
never used these particular discs personally, however, I do use
Hitech’s other discs and have never had a problem. The lowest mesh
size on their website is 100 grit, but you might call them to see
what else they may have available. They have been helpful to me. The
website is www.hitechdiamond.com

Robin


#3

RnL I’ve used both Crystalite and Lapcraft products and believe
either one will give long faithful service provided they are not
abused. Having said that, however, it sounds like you intend to do
some serious removal of material with these discs. My first comment
is why are you using a disc? For serious cutting, an 8inch 100 grit
wheel is perfect. Discs tend to give problems when doing heavy
removal on large flat areas. The discs tend to ‘run out’ from the
hub to the rim and cause uneven lapping. This is not a problem if
you first grind the larger quantity of material with a wheel then
remove a smaller amount on the disc to achieve the flat you want.
Also, it is much easier to do rounded and mixed shapes on a wheel
than on a disc

Finally, rather than using a disc or wheel to remove so much
material, it would be far more efficient and cost effective to get a
good aggressive 10 or 7 inch saw blade and remove most material on
the saw. Then you can do the rough and smooth grinding on wheesl and
touch up on a disc as necessary.

Remember, using either a wheel or disc that is too aggressive, read
60 or 80 grit, will cause cracks that extend quite far down into the
surface (especially on agate) that must then be removed in the
smoothing process. Result will be extra steps, extra time, and loss
of valuable material. I would rethink using such an aggressive
procedure.

Cheers from Don at The Charles Belle Studio in SOFL where simple
elegance IS fine jewelry! @coralnut


#4

Diamond discs work well… the best way to get them is from loritone
or Rio Grande, they come six to a package and as long as ya don’t
smoke em the word well. Ringman


#5

The Crystalite Turbine wheels are the best for hoggin’ off lots of
material, quickly! I have used them and I was taught by a good friend
who did just that commercially! What sold me was watching him do a
52x40 belt buckle cab from an agate slab! and finishing it in about
10 minutes! Also the coarser wheels lasted him a long time even
though he really laid the agate into the stone! Wheels are probably
a little better than disks for all kinds of rough. He used a double
ended arbor with a 3/4 hp motor!!! As I haven’t used any other
wheels than Crystalite I can’t comment on any of the other companies!
But I have used the 100 Disc from the “All-U-Need Company” (Can’t
remember their name, sorry!) But it wouldn’t stand up to lots of
hard use! I have used it for grinding off cabs and (I think) because
it is a disk the diamonds have a tendency to either break and or come
out of the adhesive metal spray! Hope that this helps!!! Good Luck!!


#6

My feeling is that any diamond tool specifically made for the
lapidary craft market (at least in North America where this is
primarily a hobby market) is likely to be less long-lasting than one
made for the corresponding industrial application.

Hence I’d check with manufacturers of dimension stone tiles, funeral
monuments, architectural sculpture shops, etc. etc. to discover what
type of wheel they use for applications similar to the one you have
in view.

You might also try contacting Bill Ritter. He’s a former owner or
co-owner of the Contempo-Lapidary Company, now works with diamond
tool supplier CES (which I believe stands for cutting edge
solutions). His email is bsritter@flash.net; he’s very
knowledgeable and a just generally all round good guy.

Hope that helps.

Cheers,
Hans Durstling
Moncton, Canada