[meteorite-list] Another question for the Saw Wizards

[Galactic Stone & Ironworks]

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

>> >>>

>> ..........................................................

>> >>>

>> ______________________________________________

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>> >>> http://six.pairlist.net/mailman/listinfo/meteorite-list

>> >>>

>> >> ______________________________________________

>> >> http://www.meteoritecentral.com

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>> >> Meteorite-list at meteoritecentral.com

>> >> 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
..........................................................