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Lapidary / Gemstone Community Forum
April 20, 2019, 02:24:49 pm
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18" Slab saw build

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Author Topic: 18" Slab saw build  (Read 1981 times)
minkos61
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« on: April 26, 2014, 09:34:26 pm »

Thought I'd post a few pics of the slab saw I'm building.
It will be an 18" with auto feed .
I also want to thank Joshua (Goodearth) for his help supplying pics of his 2 saws to give me ideas to build mine.




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Ernie

GoodEarth
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« Reply #1 on: April 26, 2014, 10:34:53 pm »

Damn! Looks great! Overbuild much? :) Looks bullet proof. You going to have to turn down the shaft for a pulley, or can you order one with a 5" dia hole?
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minkos61
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« Reply #2 on: April 26, 2014, 10:56:21 pm »

Just got to find out what R.P.M. I have to run then i'll get a pulley and turn and key the shaft to suit.
The flange is shrunk on to the shaft and the nut flange is threaded to 1" fine thread . And yes I tend to over build Thanks for noticing Joshua lol.
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Ernie
GoodEarth
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« Reply #3 on: April 26, 2014, 11:27:45 pm »

There is a formula and chart in this PDF to help ya:
http://home.comcast.net/~eugenemineralclub/rocksaws.pdf
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minkos61
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« Reply #4 on: April 26, 2014, 11:59:43 pm »

Cool thanks Joshua yes
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Ernie
dickb
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« Reply #5 on: April 27, 2014, 09:29:24 am »

Looking good. The surface feet per minute at the rim should give you the drive configuration. Keep the photo's coming,

Dickb
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Elegance in Jewelry
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GPAA, PLP - Blackhawk G&MC, CVR&MS
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minkos61
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« Reply #6 on: April 27, 2014, 10:36:19 am »

Thanks Dick for looking I appreciate the feedback.
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Ernie
dickb
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« Reply #7 on: April 27, 2014, 11:52:25 am »

I did some checking and HP recommends there 18" saw run at 700 rpm.

Here is a link if it works.

http://www.barrancadiamond.com/lap/saw_hp18_24.html

Dickb
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Elegance in Jewelry
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GPAA, PLP - Blackhawk G&MC, CVR&MS
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GoodEarth
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« Reply #8 on: April 27, 2014, 11:57:59 am »

While on the subject of blade RPM, does anyone have a feed advance rate suggestion? It's been so long since I put my power feed together that I can't remember how I set it up. I could give a good off the cuff estimate, but it would be nice to have a recommended range....
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minkos61
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« Reply #9 on: April 27, 2014, 05:18:32 pm »

So here is todays progress.
The blade is not what I'm using it's just for mock up.

















Hope you enjoy the pics as much as I enjoy the build.
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Ernie
lithicbeads
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« Reply #10 on: April 27, 2014, 07:03:36 pm »

Nice!
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minkos61
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« Reply #11 on: April 27, 2014, 09:40:37 pm »

While on the subject of blade RPM, does anyone have a feed advance rate suggestion? It's been so long since I put my power feed together that I can't remember how I set it up. I could give a good off the cuff estimate, but it would be nice to have a recommended range....


Hey Joshua I saw somewhere might have been on here but it said 1" in 5 minutes if I remember right.
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Ernie
minkos61
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« Reply #12 on: April 27, 2014, 09:42:37 pm »

Thanks Frank I'm gonna need a saw for all the B.C. Jade  I hope to find on my claim LOL.
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Ernie
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« Reply #13 on: April 27, 2014, 10:18:21 pm »

Have you thought about  hydraulic or gravity feed?

If you set it up right it will feed at the proper speed everytime, sometimes faster, sometimes slower, depending on the material being cut.

Tony
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Get free shipping and/or discounts on products at Cabking by using the following link.
http://cabking.com/ref/IdahoRockShop/
minkos61
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« Reply #14 on: April 28, 2014, 09:39:32 am »

Have you thought about  hydraulic or gravity feed?

If you set it up right it will feed at the proper speed everytime, sometimes faster, sometimes slower, depending on the material being cut.

Tony

Was that for me Tony or for Joshua ?
If for me I'm going with power feed. I had thought about gravity feed but was told its harder on the stone when it breaks thru at the end of the cut. Any thoughts on that?
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Ernie


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