[meteorite-list] Another question for the Saw Wizards

From: Galactic Stone & Ironworks <meteoritemike_at_meteoritecentral.com>
Date: Wed, 1 Jul 2009 16:42:21 -0400
Message-ID: <e51421550907011342m29c08185la857084aabc4a0e2_at_mail.gmail.com>

Hi David and List,

So I should save the CBN blade for irons and use my diamond blades for
the stones?

Best regards,

MikeG


On 7/1/09, David Pensenstadler <dfpens01 at yahoo.com> wrote:
>
> I have used CBN blades and they do not last very long. I cut a total of 22
> inches of meteorites with a blade that cost nearly $100.
>
> Unfortunately, there are not too many other choices, especially for irons.
>
> Dave
>
> --- On Wed, 7/1/09, R N Hartman <rhartman04 at earthlink.net> wrote:
>
>> From: R N Hartman <rhartman04 at earthlink.net>
>> Subject: Re: [meteorite-list] Another question for the Saw Wizards
>> To: "Galactic Stone & Ironworks" <meteoritemike at gmail.com>
>> Cc: "Meteorite Central" <meteorite-list at meteoritecentral.com>
>> Date: Wednesday, July 1, 2009, 2:51 PM
>> There are different quality blades
>> (quantity of diamonds per unit, in the blade), and also
>> various rim configurations. Performance varies with
>> brand also. I think the blade is wearing out when you
>> are seeing less even cuts, unless something is wearing in
>> the saw itself. As I have experienced it, the CBN
>> blades are best and primarily for cutting irons.
>>
>> Ron
>>
>> ----- Original Message ----- From: "Galactic Stone &
>> Ironworks" <meteoritemike at gmail.com>
>> To: "R N Hartman" <rhartman04 at earthlink.net>
>> Cc: "Meteorite List" <meteorite-list at meteoritecentral.com>
>> Sent: Tuesday, June 30, 2009 6:52 PM
>> Subject: Re: [meteorite-list] Another question for the Saw
>> Wizards
>>
>>
>> > Hi Ron and List,
>> >
>> > I noticed that about the blade sanding it's way
>> through the specimen.
>> > The first slices I made were the smoothest and the
>> prettiest. Now,
>> > after many cuts, the blade is leaving more noticeable
>> saw marks.
>> >
>> > The blade I am using is the stock/default blade that
>> came with the
>> > saw, so I don't know how good it really is,
>> quality-wise. I have
>> > another blade sold specifically to cut meteorites,
>> it's the same
>> > thickness but the blade is brown-colored instead of
>> reflective bare
>> > metal. It's also a CBN, which comes highly
>> recommended. I wanted to
>> > practice with the stock blade before moving on to the
>> CBN. I also
>> > have an extremely thin and floppy diamond blade called
>> a laser
>> > "dia-cut" which I haven't used yet either.
>> >
>> > Best regards,
>> >
>> > MikeG
>> >
>> >
>> > On 6/30/09, R N Hartman <rhartman04 at earthlink.net>
>> wrote:
>> >> That because a Diamond blade (but not all!) with
>> the very fine continuous
>> >> diamond mesh does not cut, it "sands". It
>> sands its way right through your
>> >> tough iron meteorite and if your saw is running
>> smoothly it will give your
>> >> slice a high polish as it finishes the cut.
>> If you have some issues with
>> >> the straightness of the blade or continuous feed,
>> etc. you may get grooves,
>> >> which is a sad problem!
>> >>
>> >> Ron Hartman
>> >>
>> >> Disclaimer: Use of this information, I am
>> not responsible for lost fingers,
>> >> noses or toes!
>> >>
>> >> ----- Original Message -----
>> >> From: "Mr EMan" <mstreman53 at yahoo.com>
>> >> To: "Meteorite List" <meteorite-list at meteoritecentral.com>;
>> "Galactic Stone
>> >> & Ironworks" <meteoritemike at gmail.com>
>> >> Sent: Tuesday, June 30, 2009 4:18 PM
>> >> Subject: Re: [meteorite-list] Another question for
>> the Saw Wizards
>> >>
>> >>
>> >>
>> >> Last time I cut with a diamond blade it only would
>> cut the nail and not the
>> >> skin--wanna give it a try and see if thinner
>> blades can cut skin?
>> >>
>> >> Mike they make a slab holder/jig which comes in
>> few sizes that lets you cut
>> >> down below 10mm or so. Once you clamp the stone in
>> the jig you clamp it in
>> >> your saw vice. $20-30 on ebay.
>> >>
>> >> Elton
>> >>
>> >> --- On Tue, 6/30/09, Galactic Stone &
>> Ironworks <meteoritemike at gmail.com>
>> >> wrote:
>> >>
>> >>> Hi Listees and Stonecutters!
>> >>>
>> >>> After using my saw on several occasions now, I
>> wanted to
>> >>> share a
>> >>> recent experience and ask a related question.
>> >>>
>> >>> While cutting a small unclassified NWA stone
>> about the size
>> >>> of a
>> >>> walnut, my stepson showed up and started
>> >>> watching. It made him
>> >>> extremely nervous watching me handhold the
>> small stone
>> >>> while I cut it.
>> >>> Apparently seeing my unprotected fingers
>> a half-inch away
>> >>> from a
>> >>> spinning diamond blade was too much to bear.
>> He is
>> >>> absolutely
>> >>> convinced I am going to cut a finger off.
>> (Shows how
>> >>> much confidence
>> >>> he has in me!) LOL
>> >>>
>> >>> He asked why I don't use some kind of jig or
>> holder that
>> >>> will hold the
>> >>> stone for me. I showed him my rock vise, which
>> is
>> >>> made for use with
>> >>> this particular saw. But the vise is only good
>> for
>> >>> larger stones, or
>> >>> elongated stones. It's not much good for
>> holding very
>> >>> small
>> >>> acorn-sized or walnut-sized stones. So, I
>> bravely go
>> >>> where no fingers
>> >>> should go. He asked what I would do if I cut
>> off my
>> >>> finger, and I
>> >>> nonchalantly said I would drive myself to the
>> nearest
>> >>> emergency room,
>> >>> wait my turn, get it sewed back on, and then
>> go home with a
>> >>> big
>> >>> bandaged hand and type a one-handed email to
>> the list about
>> >>> the
>> >>> episode. ;)
>> >>>
>> >>> So, my question is - how do you cut very small
>> stones on a
>> >>> 6" lapidary
>> >>> saw? Do you hand hold them? Do you use some
>> >>> kind of jig? And how
>> >>> many digits do you still have on your hands?
>> >>>
>> >>> Honestly, I am not terribly worried about it.
>> I am
>> >>> experienced with
>> >>> power tools and saws, so I'm not being
>> reckless. But
>> >>> if there is
>> >>> something I can do to make my wife and family
>> feel better
>> >>> about it,
>> >>> I'd do it.
>> >>>
>> >>> Best regards,
>> >>>
>> >>> 10-Fingered Mike (for now)
>> >>>
>> >>>
>> >>> --
>> >>>
>> .........................................................
>> >>> Michael Gilmer (Louisiana, USA)
>> >>> Member of the Meteoritical Society.
>> >>> Member of the Bayou Region Stargazers
>> Network.
>> >>> Websites - http://www.galactic-stone.com and
>> >>> http://www.glassthrower.com
>> >>>
>> ..........................................................
>> >>>
>> ______________________________________________
>> >>> http://www.meteoritecentral.com
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>> >>> Meteorite-list at meteoritecentral.com
>> >>> http://six.pairlist.net/mailman/listinfo/meteorite-list
>> >>>
>> >> ______________________________________________
>> >> http://www.meteoritecentral.com
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>> >> http://six.pairlist.net/mailman/listinfo/meteorite-list
>> >>
>> >>
>> >
>> >
>> > --
>> .........................................................
>> > Michael Gilmer (Louisiana, USA)
>> > Member of the Meteoritical Society.
>> > Member of the Bayou Region Stargazers Network.
>> > Websites - http://www.galactic-stone.com and http://www.glassthrower.com
>> >
>> ..........................................................
>>
>> ______________________________________________
>> http://www.meteoritecentral.com
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>>
>
>
>
>

-- 
.........................................................
Michael Gilmer (Louisiana, USA)
Member of the Meteoritical Society.
Member of the Bayou Region Stargazers Network.
Websites - http://www.galactic-stone.com and http://www.glassthrower.com
..........................................................

Received on Wed 01 Jul 2009 04:42:21 PM PDT