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Slab Cutter?


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#1 Glen Peters

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Posted 20 March 2013 - 11:20 AM

Hello

I'm not sure what to call what I'm going to try to describe: I have a vague recollection of a frame that will cut thin slabs from a large slab (or block) in uniform pieces? Tet me try again: I want to reduce a large cube of clay into uniform slices by removing (lowering) the height of the frame after every cut?

Hope that paints the right picture. I forgot to mention that a cutting wire is drawn across the frame by hand for each cut (frame lowering)...

Thanks
Glen

#2 neilestrick

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Posted 20 March 2013 - 12:43 PM

HERE
Neil Estrick
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#3 timbo_heff

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Posted 20 March 2013 - 02:31 PM

I think you mean this thing:
https://www.sheffiel...ductCode=CCAMSC My link

#4 Glen Peters

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Posted 20 March 2013 - 03:00 PM

HERE


Thanks Neil

You know basically what I'm after but not quite.

I want to be able to draw the cutting wire across two supports, forming a channel (where the original slab sits) Similar to the way a slab roller uses several sheets of Masonite only in this case you would remove the material (masonite)? To bad I couldn't send a drawing, eh?

#5 OffCenter

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Posted 20 March 2013 - 03:18 PM

I've got one that I made years ago. It's a slab of steel about 24 x 18 inches with a piece of channel iron welded to each corner. The channel Iron hold the masonite slats that are piled in. I made a bow out of smaller iron (it's not bowed like a bow and arrow but like and "E" without the middle bar) and strung it with piano wire that is tightened with a screw like a hacksaw. It works great.

Jim
E pur si muove.

"But it does move," said Galileo under his breath.

#6 Glen Peters

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Posted 20 March 2013 - 03:25 PM

I think you mean this thing:
https://www.sheffiel...ductCode=CCAMSC My link


No Timbo, thanks for your effort! I have a design in mind that will require little effort to make, and when I'm finished (Monday-ish) I'll post a picture...

Thanks again all

I thought the skills and knowledge from my 20+ year hiatus would come back quicker but I'm finding it a bit of a challenge!

#7 perkolator

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Posted 20 March 2013 - 04:41 PM

you mean something like this?
Posted Image

I found this on Google Images. Looks like a homemade device and fairly simple to make on your own. Not sure how flat your slabs will stay if you remove them like in the pic since clay has memory.

Another, simpler, option might be to put two slab rolling sticks down on the sides of your clay, then just slice with a wire across the top of the sticks. This way you get your even thickness, and have the option to move the clay block to another surface so you don't disturb your cut piece = less warping

#8 Karen B

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Posted 20 March 2013 - 04:55 PM

I believe it was Randy Johnston who showed me how to make one. 2 pieces of oak sticks with notches cut in equal increments. Hold them upright with a wire stretched between them like a tightrope, and pull toward you over the block of clay to slice. Move the wire down a notch and slice again, etc...

#9 Pres

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Posted 21 March 2013 - 10:52 AM

I believe it was Randy Johnston who showed me how to make one. 2 pieces of oak sticks with notches cut in equal increments. Hold them upright with a wire stretched between them like a tightrope, and pull toward you over the block of clay to slice. Move the wire down a notch and slice again, etc...


I have made several of these sticks with notches or nails on the stick to measure the thickness. Usually started with two 1X3, tape together side by side, mark measured lines on both the thickness you want the slabs, use saw to cut grooves to hold cutting wire. remove tape, place cutting wire in notch at top of stick, draw through block for first cut, then follow each notch down until at bottom. You may want to make a couple as tiles, and slabs for construction are different thicknesses.

Simply retired teacher, not dead, living the dream. on and on and. . . . on. . . .                                                                                 http://picworkspottery.blogspot.com/


#10 bigDave

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Posted 21 March 2013 - 06:39 PM

check this out for making slabs




#11 bigDave

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Posted 21 March 2013 - 06:50 PM

check this out for making slabs




first couple minutes

#12 Karen B

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Posted 22 March 2013 - 12:50 AM

check this out for making slabs




first couple minutes




Fascinating! Thanks

#13 Glen Peters

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Posted 22 March 2013 - 12:47 PM

Bingo

That's the one I had in mind... Percolator that picture is the design I was going to make (Out of Steel since I have a welder)

Thanks all for your help I will check out some of the links and stuff later --maybe there are better designs, I already see an improvement?

So Thanks again all!

Glen

#14 Karen B

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Posted 22 March 2013 - 04:46 PM

you mean something like this?
Posted Image

I found this on Google Images. Looks like a homemade device and fairly simple to make on your own. Not sure how flat your slabs will stay if you remove them like in the pic since clay has memory.

Another, simpler, option might be to put two slab rolling sticks down on the sides of your clay, then just slice with a wire across the top of the sticks. This way you get your even thickness, and have the option to move the clay block to another surface so you don't disturb your cut piece = less warping




In my experience, it is only porcelain that has memory. If stoneware is lifted like this and not bent, then laid down carefully, it will be fine.

#15 Glen Peters

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Posted 23 March 2013 - 10:13 AM

I've got one that I made years ago. It's a slab of steel about 24 x 18 inches with a piece of channel iron welded to each corner. The channel Iron hold the masonite slats that are piled in. I made a bow out of smaller iron (it's not bowed like a bow and arrow but like and "E" without the middle bar) and strung it with piano wire that is tightened with a screw like a hacksaw. It works great.

Jim


Thanks Jim, I have an idea for my old hacksaw?

#16 Pres

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Posted 23 March 2013 - 10:29 AM


check this out for making slabs




first couple minutes




Fascinating! Thanks


Would be fascinating to me, if I could get the link to work. I don't understand why the period is between the u and b of tube. Link has not worked on several tries!!??

Simply retired teacher, not dead, living the dream. on and on and. . . . on. . . .                                                                                 http://picworkspottery.blogspot.com/


#17 Benzine

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Posted 23 March 2013 - 01:58 PM

check this out for making slabs




first couple minutes



I went to watch the beginning, ended up watching the whole thing. I am just fascinated watching other artists work.......well, any type of craftsman, or fabricator, for that matter.
"Anything worth believing, is worth questioning"

#18 bigDave

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Posted 23 March 2013 - 08:25 PM

Would be fascinating to me, if I could get the link to work. I don't understand why the period is between the u and b of tube. Link has not worked on several tries!!??



Sorry that is not working for you, ... hope it is interesting to you. I just find his strength and ease of cutting clay inspiring....
search for this
BonsaiArtisans has shared a video with you on YouTube:

“Lindsay Farr's World of Bonsai - episode 12” — Katsushi Kataoka Pot creation part 1. Tokoname




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