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18" Slab saw build

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Author Topic: 18" Slab saw build  (Read 1982 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
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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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« Reply #6 on: April 27, 2014, 10:36:19 am »

Thanks Dick for looking I appreciate the feedback.
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Ernie
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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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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
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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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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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« Reply #15 on: April 28, 2014, 11:47:43 pm »

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
Sorry I missed your post Dick thank you for the help.
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Ernie
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« Reply #16 on: April 30, 2014, 08:06:43 pm »

Well got my motor today 1/2 hp 1755 rpm cont. duty and also 4 oilite bushing for the vise carriage to run on. Will post more pics when I get more done, hopefully this weekend.   
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Ernie
minkos61
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« Reply #17 on: May 10, 2014, 06:13:09 pm »

Got a bit more done on the saw so here are some progress pics.









Thanks for looking.

Ernie
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Ernie
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« Reply #18 on: May 10, 2014, 06:38:27 pm »

Looks great! about time to fill it with oil and start cutting rocks!
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« Reply #19 on: May 21, 2014, 07:33:54 pm »

Out of curiosity.... Are you going to cover the 2 bearings for the saw blade? If not you will gt rock crud in there and seriously reduce the life of those bearings.
Other than that... it looks great!!

I have an 18" Lortone saw w/pwr feed, and I love it, however, if I was building a new saw I would probably go with a gravity feed as it allows the blade to work with the rock instead of against it, which is better for the blade.
I would however, also add a set of springs to the ends of the shafts that the vise rides on to absorb the impact of the vice carriage when it breaks through the end of the rock being cut and that way the vise doesn't slam into the back of the saw.

Love the build, hope to be working on a 6 inch and maybe a 10 - 12 inch for myself.
Mario
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Mario

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I once sought the meaning of life, but I got side tracked by an agate!
minkos61
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« Reply #20 on: May 21, 2014, 10:01:32 pm »

Yes Mario I will be putting a cover over the bearings also screen to catch slabs. I'm going with power feed but if that fails gravity feed will be added.
Good lock on your build and don't forget to post pics.
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Ernie
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« Reply #21 on: July 19, 2014, 06:23:28 pm »

Been awhile since I have had time to work on the saw , but got a bit done today.

Motor is mounted.






And vise is done .


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Ernie
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« Reply #22 on: July 19, 2014, 08:16:10 pm »

Absolutely one of the finest builds I have seen to date.  Good job Ernie.

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« Reply #23 on: July 19, 2014, 10:15:31 pm »

Thanks Gary for the compliment , it's coming along slowly but it's getting there.
 
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Ernie
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« Reply #24 on: July 26, 2014, 06:34:16 pm »

Well it came to life today.

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Ernie
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« Reply #25 on: July 26, 2014, 10:29:22 pm »

you must have given it a jolt just in the right spot; thinking of IGOR, but is the blade turning towards the stone or away?
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« Reply #26 on: July 26, 2014, 10:32:12 pm »

Towards the stone in a downward rotation  C.C.W. Lloyd.
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Ernie
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« Reply #27 on: August 13, 2014, 01:47:55 pm »

Really nice build - Got me thinking, time to start the workshop and getting down to some metalwork.........

Think Ill price bearings tomorrow :)
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« Reply #28 on: August 13, 2014, 06:02:47 pm »

Thanks zafgak and good luck on whatever you decide to build.
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Ernie
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« Reply #29 on: August 16, 2014, 06:13:40 pm »

Few updated pic's.








Thanks for looking
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Ernie
minkos61
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« Reply #30 on: August 23, 2014, 08:34:04 pm »

Some pics of todays progress.








Thanks for looking


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Ernie
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« Reply #31 on: August 23, 2014, 09:41:54 pm »


Such an excellent saw as you have there Ernie you had better finish it quickly or somebody will and it will be gone.LOL........

Kidding aside you have a well though out slab saw there plus well made too............

39don
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minkos61
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« Reply #32 on: August 23, 2014, 10:09:30 pm »

Thanks Don I'm real close now to being done and getting very antsy to try it out,
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Ernie
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« Reply #33 on: August 24, 2014, 08:19:30 am »

Looking good Ernie, that must be a nice shop to work out of yes You'll be turning it into a muddy mess soon!!!!
Good job on the build.
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« Reply #34 on: August 24, 2014, 10:22:34 am »

Looking good Ernie, that must be a nice shop to work out of yes You'll be turning it into a muddy mess soon!!!!
Good job on the build.

Lloyd it sure does make it easy to build stuff working there  yippie . And yes the time I'm putting into the paint job is probably for nothing as I'm sure it will be a real muddy mess soon. And thankyou for the complement .

Ernie
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Ernie
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« Reply #35 on: August 24, 2014, 11:07:09 am »

Don't forget to make a top cover for the saw or more than the saw will be messy!  yippie

Nice professional build.

Dickb
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minkos61
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« Reply #36 on: August 24, 2014, 12:08:46 pm »

LOL Dick no worries top is formed just needs the ends welded, hinges attached and a handle to open it and it'll be ready to keep the muddy mess in  yippie
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Ernie
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« Reply #37 on: August 24, 2014, 10:24:05 pm »

Well this is probably obvious to you, but for others considering a similar build. Make the cover so that is fits down inside the lower pan by at least a 1/4" so that the spray that drips from the cover falls into the lower pan and doesn't run down the outside of the saw and drip all over the floor.  By the way I like that you put the ball valve drain in the saw, that should make cleanup a lot more tolerable.

Dickb
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minkos61
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« Reply #38 on: August 26, 2014, 06:58:40 pm »

Thanks Dick and yes your right about having a lip into the bottom pan i'm welding some flat bar all around the bottom of the top lid so that I get a seal and Yes the ball valve I just could not see being without.

Ernie
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« Reply #39 on: September 06, 2014, 07:52:29 pm »

Worked on the lid today ,got it all tacked together.
Also ordered a blade today . Can't wait so close to being done.  yippie




Thanks for looking.

Ernie
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Ernie
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« Reply #40 on: September 06, 2014, 11:27:47 pm »

looks like you're good to go yes how come it's not dirty yet LOL
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« Reply #41 on: September 06, 2014, 11:35:21 pm »

Oh soon enough Lloyd soon enough yippie
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Ernie
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« Reply #42 on: September 13, 2014, 07:31:25 pm »

Well it's done other than waiting for the blade to be delivered and some oil to be bought.


 




Thanks for looking
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« Reply #43 on: September 17, 2014, 06:40:04 pm »

Well got my blade today yippie  Now just got to wait for the oil which should be in next week.

Ernie
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« Reply #44 on: September 27, 2014, 11:59:44 pm »

Well all done It's filled with oil and I made my first cut tonite. Few little things to tinker with but other than that pretty darn happy with it.


Shot of clamping in the vise.


Rhodonite from Vancouver Island B.C. was my choice for the first victim .


Few slabs I cut off the Rhodonite rough .



Thanks for looking.

Ernie
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Ernie
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« Reply #45 on: September 28, 2014, 08:17:31 am »



A huge "PAT ON THE BACK, ERNIE" for a well though out and a super follow through to completion on your new slab saw.

I like the beefy design and construction you came up with. It should give you many years of productive service.

39don
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« Reply #46 on: September 28, 2014, 09:53:49 am »

Great job on the saw Ernie; same sentiments as 39D yes
It's good to see a well thought out design and good construction techniques produce such good results.
Oh! the rhodonite looks good too LOL
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minkos61
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« Reply #47 on: September 28, 2014, 12:49:52 pm »

Thanks 39don & Lloyd it was a labour of love and it worked out ,I'm very happy with it forsure.

Ernie
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Ernie
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« Reply #48 on: September 28, 2014, 05:50:22 pm »

GREAT JOB!

Have fun slabbing ... that saw is the Bomb!

John
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minkos61
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« Reply #49 on: September 28, 2014, 06:45:21 pm »

Thanks John
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Ernie
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« Reply #50 on: September 29, 2014, 11:00:16 am »

Now that the work is done, It's time to play!!!!!!!!!!!!!!!!!!!!!!!!!!!  ura

Turned out great.

Dickb
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minkos61
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« Reply #51 on: September 29, 2014, 02:05:44 pm »

Thanks dickb and oh I've been playing  yippie


Ernie
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Ernie
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« Reply #52 on: January 06, 2015, 10:50:21 am »

Awesome piece of work!

What would you estimate the cost at?

Why did you choose 18"?
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« Reply #53 on: January 06, 2015, 08:21:19 pm »

Thank you Frantic .
I'm guessing around $500.00 without the blade .
I went with 18" simply because of economics the prices for blades really start climbing after 18."
In what I have priced anyways .

Ernie
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Ernie


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