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Lapidary / Gemstone Community Forum
April 23, 2019, 02:37:27 pm
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Is there a way to cut smaller rocks without particular lapidary tools?

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Author Topic: Is there a way to cut smaller rocks without particular lapidary tools?  (Read 10469 times)
hulagrub
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« Reply #15 on: September 07, 2010, 11:20:13 am »

Bentiron, The 10" trim saw I use is run by a Sears motor, that looks like it came off a dryer or washer.
And what's this about anvils? More please?
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Dave, a certified Rockaholic

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« Reply #16 on: September 07, 2010, 12:56:36 pm »

OK, Now are we looking for a slower RPM motor or a higher RPM Motor? I got a 1/3 HP motor from an old gas dryer but I think it is something like 1350 RPM, is that good enough? I got plenty of plastic buckets and a hand saw around here somewhere, I got a big plastic tray that was used for developing film, got soda bottles too, I think that I got one of those arbor things out in the junk bucket in the garage(it just may be easier to buy a new one you know than spend a week looking for it), and now for the expanding drum, that's a bit of an expense, oh well, it ain't all free, belts aren't all that expensive though. Watch the money and I think this is possible.

Thats perfect for the motor rpms and 1/3 HP is perfect also.  Make sure you monitor the temp on the motor.

TOG
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« Reply #17 on: September 08, 2010, 07:38:22 pm »

About the anvil, it is easier for me to tell a good anvil from a bad anvil. A good old anvil has some characteristics that make it good, when you hit it, it should ring unless it is made of cast iron. A good cast iron anvil will have a good solid "thud" sound. If the anvil you are thinking of buying goes "thawk" or "thawng" or any other odd sound you need to check for cracks in the hard face. The hard face is a plate of tool steel forge welded to the wrought iron body of steel anvil and fused to the body of cast iron anvils, sometimes it gets cracked. Sometimes the horn is cracked or the heel has a crack beneath the hard face.
The point I was trying to make was an anvil has no moving parts and even though it may be rusty and dirty looking, a few taps with a hammer can tell you a whole lot about it and not having much experience with lapidary equipment I can't tell very much about it if it is all rusty, dusty, dead motor and generally decrepit looking. Anvils are much easier to discern a good one from a bad one.
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DrJoe
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« Reply #18 on: September 15, 2010, 03:30:53 pm »

But take away your hammer and you even up the odds  thinking13

Dr Joe

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Bentiron
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« Reply #19 on: September 15, 2010, 05:00:04 pm »

OK, but do I hit the lapidary equipment or the seller? dunno
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DrJoe
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« Reply #20 on: September 16, 2010, 07:11:30 pm »

Well, if you hit the equipment it may break....but if you threaten to hit the seller you may get a discount (or a jail term).

Dr Joe

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