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blb | 1 Jan 2007 06:18

Re: Total noob with a project

Gontran,

The best way to carve a cavity 1/2" deep is to use a small rotary saw  
blade that is either carbide or diamond on your dremel. Make a series  
of parallel cuts 1/8" apart and then break off the fins that are  
created. Repeat until it is deep enough. You can use a very narrow  
and sharp wood carving chisel to smooth the cavity surface (use light  
hammering to not break the piece when using the chisel and maybe even  
rest the piece on some sand or something to steady the piece and to  
absorb the hammering shock).

Bill

On Dec 31, 2006, at , Gontran Durocher wrote:

My project is to carve a cavity in the bottom, about 1"x2" x 1/2"  
deep. I'm
sure you have been asked this a zillion times, (probably like a motor  
oil
thread on a motorcycle list) but can you point me in the right  
direction?

I have a dremel and a hand drill. I tried a masonry bit on the drill  
and a
rotary file as well as a stone grinding wheel on the dremel. They do  
work,
however slowly. Is there a better way to remove more material faster?  
or is
this just going to be a slow process? (keep in mind I don't need a  
cosmetic
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Bill Ostrie | 1 Jan 2007 07:04

Soliciting tool recommendations for marble cutting


Does anyone have any recommendations for cutting tools/ angle  
grinders that are relatively lower in vibration?  I've had overuse  
problems with my hands in the past when using power tools to cut  
marble, and I'm wondering if there are better tools available now (in  
terms of less vibration) than my Metabo and Porter Cable angle  
grinders (4 1/2" and 5" I think).  Does anyone have any experience  
with 7" creating more or less vibration than the smaller ones, or  
know of specific models to go for or steer away from?  I mostly use  
the grinders with diamond blades to cut strips to break away with a  
chisel for roughing out.  Are there any anti-vibration gloves that  
you think are better than the rest?  Thanks ahead of time for your  
opinions.

Bill Ostrie
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Robin Antar | 1 Jan 2007 07:38

Re: Soliciting tool recommendations for marble cutting

I use the ones from trow and holden. I think they are in Vt. You have to
call them up they are not on the web or catalog. I have found them very
helpful. One day I said I will only do a little work and did not wear then
and the next day I paid the price.

Hope they help they come with or without figures

Robin Antar 
President 
Realism in Stone a division of 
Antar Studios Inc. 
Email:  info@... 
Web:   www.rantar.com  
Blog:   www.robinantar.blogspot.com

My mission as a sculptor is to create a visual record of modern culture by
capturing contemporary everyday objects in stone.  By replicating the model
on a life-scale along with marking and symbol details, I attempt to freeze
the object in time as an artistic form of artifact.  I achieve this high
degree of realism through the use of such materials as parts of the real
object, custom-made stains, paints, plastics and gold leaf.

CONFIDENTIALITY NOTICE: The information contained in this electronic mail is
confidential information intended only for the use of the entity or
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jennifer cull | 1 Jan 2007 07:47
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Re: Soliciting tool recommendations for marble cutting

Have you ever tried Makita grinders?  Feels pretty smooth to me.  The small
ones are as good as the big ones, say one that fits a 5 inch diamond blade. 
I use model 9015A.

-------Original Message------- 

From: Bill Ostrie 
Date: 12/31/2006 10:05:13 PM 
To: stone@... 
Subject: [stone] Soliciting tool recommendations for marble cutting 

Does anyone have any recommendations for cutting tools/ angle 
grinders that are relatively lower in vibration? I've had overuse 
problems with my hands in the past when using power tools to cut 
marble, and I'm wondering if there are better tools available now (in 
terms of less vibration) than my Metabo and Porter Cable angle 
grinders (4 1/2" and 5" I think). Does anyone have any experience 
with 7" creating more or less vibration than the smaller ones, or 
know of specific models to go for or steer away from? I mostly use 
the grinders with diamond blades to cut strips to break away with a 
chisel for roughing out. Are there any anti-vibration gloves that 
you think are better than the rest? Thanks ahead of time for your 
opinions. 

Bill Ostrie 

 

-:-}------------------------------------------------------------- 
Email stone-request@... (not the list) with subject
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George Graham | 1 Jan 2007 17:46
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Re: Soliciting tool recommendations for marble cutting

Bill,
I've come almost full circle back to hand carving. I still use power tools, 
but only to speed up the hand carving process. The art I do comes from the 
heart and hands, and high speed power tools seem to block that from the 
stone. The sculpture comes more slowly, but its much better.
That being said, power tools have their place. I've never found a brand that 
was especially smoother then others. Going to smaller tools with big handles 
for your  hands to grip comfortably may help you. I've come to despise cute 
little die grinders that have 30,000 rpm's and only have room for one hand. 
They are small, light, and enough power to turn you fingers backwards!
Good carving to you,
George Graham

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blb | 1 Jan 2007 18:03

Re: Soliciting tool recommendations for marble cutting

Bill,

Your 5" Metabo and most other premium grinders should operate with  
virtually no vibration whatsoever. If there is any vibration then  
either the blade or the particular device should be replaced -- if I  
am understanding you correctly. And the larger grinders will probably  
have more vibration if anything and definitely will put more strain  
on your muscles.

When you mention overuse, are you referring to a tingling and  
numbness sensation that develops while using the tool?  
("paresthesias") That happens when you reduce the blood supply to the  
nerves or directly compress a nerve. According to blurbs on the  
internet, there are several possible causes including some disease  
conditions.

I had looked this up before and found that the longer the blood  
supply has been reduced to nerves, the longer it takes to get rid of  
the numbness. So I concluded that I shouldn't prolong the tingling  
sensation.

What works for me is frequent breaks and change of positions.

Bill

On Dec 31, 2006, at , Bill Ostrie wrote:

> better tools available now (in
> terms of less vibration) than my Metabo and Porter Cable angle
> grinders
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Wm Pulling | 1 Jan 2007 18:18
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Small space sanding for marble

I have been successfully using 3M diamond disks to sand several marble
pieces; these circular disks area available in sizes as small a 1 inch in
diameter.  I am currently working on a piece with raised letters and have a
large number of spaces between ¼ and ½ inch in width that need to get sanded
to at lease a 400 grit finish.  Hand sanding does work but there are many
inches I need to finish.

Does anyone have any recommendations about non-manual solutions to solve
this problem?

Regards
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jennifer cull | 1 Jan 2007 18:18
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Re: Soliciting tool recommendations for marble cutting

This last comment from bib reminded me that when the blade is either out of
line, bent, or has a crack, you will get vibration.  I use mine to flatten
the bottom of my pieces, so I agree whole heartedly with George about using
hand tools for the best results.  It's impossible to become one with the
stone so to speak, while using a grinder with a spinning blade and your
hands will be much better off if you limit the use of these sort of tools. 
I never had any trouble with my hands until I used a grinder.

-------Original Message-------

From: blb
Date: 1/1/2007 9:03:49 AM
To: stone@...
Subject: [stone] Re: Soliciting tool recommendations for marble cutting

Bill,

Your 5" Metabo and most other premium grinders should operate with
virtually no vibration whatsoever. If there is any vibration then
either the blade or the particular device should be replaced -- if I
am understanding you correctly. And the larger grinders will probably
have more vibration if anything and definitely will put more strain
on your muscles.

When you mention overuse, are you referring to a tingling and
numbness sensation that develops while using the tool?
("paresthesias") That happens when you reduce the blood supply to the
nerves or directly compress a nerve. According to blurbs on the
internet, there are several possible causes including some disease
conditions.
(Continue reading)

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George Graham | 1 Jan 2007 18:18
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Re: Total noob with a project


>Gontran wrote:
>
>My project is to carve a cavity in the bottom, about 1"x2" x 1/2"
>deep.

What kind of stone are you working with?

George Graham

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Gontran Durocher | 1 Jan 2007 18:28
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Re: Total noob with a project

Thanks Bill, I'll give it a try.

Happy New Year, everybody!

----- Original Message ----- 
From: "blb" <blb@...>
> 
> The best way to carve a cavity 1/2" deep is .... 

> Bill
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