[meteorite-list] Another question for the Saw Wizards

From: David Pensenstadler <dfpens01_at_meteoritecentral.com>
Date: Wed, 1 Jul 2009 13:25:30 -0700 (PDT)
Message-ID: <446834.17513.qm_at_web90306.mail.mud.yahoo.com>

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
> >>> Meteorite-list mailing list
> >>> Meteorite-list at meteoritecentral.com
> >>> http://six.pairlist.net/mailman/listinfo/meteorite-list
> >>>
> >> ______________________________________________
> >> http://www.meteoritecentral.com
> >> Meteorite-list mailing list
> >> 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
> >
> ..........................................................
>
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Received on Wed 01 Jul 2009 04:25:30 PM PDT