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#1 Chantay

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Posted 28 March 2014 - 10:06 AM

When I first started throwing I didn't understand how to recycle clay.  So It piled up.  After two years and about 200 lbs. of clay to recycle, I tackled it.  I have recycling down.  When I unloaded the kiln last week several pieces had tiny pieces of metal sticking out of them.  I decided to re sieve my glazes.  They are in the garage, something must of fallen in.  Then on Monday I was trimming.  I usually trim very soft, leather hard at the hardest.  Well, by the time I got to the last pot in the stack it was pretty dry.  While trimming my tool broke.  Now I don't have very good eye sight, even with glasses.  I'm looking closely at my tool and can see it had worn down to paper thin before it broke.  It was a cheap tool, but my favorite.  This morning, I am throwing with some of my recycled clay.  Every ball had bits of metal in it.  I am near tears.  I have about 50 lbs of clay I just recycled, wedged, weighed and balled for throwing.  I think I need to throw it all away.  I don't mind picking the bits out if I cross them when throwing.  But if I miss a piece and it shows through the glaze it won't look good.  If your still reading, thanks for listening to my rant.

 

-chantay

 


- chantay

#2 Stephen

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Posted 28 March 2014 - 10:28 AM

Ya know, I would say try and think of recycled clay as a bonus and just go with the flow when it does not work out. At the end of the day you're reclaiming all that can be reclaimed and keeping waste to a minimum and that's really what its all about, right?

 

Maybe just hold it to the side and use it when you are experimenting with a new form or use it up making a round of new garden pots for your personal use.

 

I am learning to just go with it when things go wrong as issues just seem to pop up at the most inopportune times, don't let it take away your Zen :-)



#3 Bob Coyle

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Posted 28 March 2014 - 10:31 AM

Sorry your clay got contaminated Chantay

 

Metal in recycled clay is a problem. My sad story is that I do metalworking in the same studio as where I throw clay. I was noticing ugly dark spots in some of my finished pieces and they turned out to be metal particles that were thrown out when I was cleaning up welds with a grinder. You would be surprised how far the grinder shaving fly... some right into my slop bucket!

 

I am more careful now and never aim the grinder anywhere near where the clay is being worked. I also have a fine mesh screen over the slop bucket. It slows down drying time but Keeps, at least the big chunks out. I also put a garbage bag over my wheel to keep stuff from getting into the wast tray.



#4 High Bridge Pottery

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Posted 28 March 2014 - 10:41 AM

I used to get old clay from a pottery studio near me. It would be annoying throwing a pot and finding bits of metal and sponge in the clay.



#5 Celia UK

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Posted 28 March 2014 - 10:47 AM

What a pain after all the effort! To be on the safe side, I'd use it for test pieces - either construction, decorative techniques and glazes or for making chucks for turning or wadges of clay for securing pots to the wheel when turning, then it won't matter so much & you won't feel so bad if these bits come through after firing.

#6 JBaymore

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Posted 28 March 2014 - 12:08 PM

Mix the clay with lots of water to a slurry.  Pour it thru a screen.  Metal stays on screen.

 

Plan B........ Mix the clay with lots of water to slurry.  Get a honkin big magnet (assuming the metal is ferrous type)... and hang it in the bucket of slurry.  Stir it up. 

 

Dry out the slurry in an old pillowcase hanging up ove the ground letting the water drip out.  Wedge when stiff.

 

best,

 

....................john


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Professor of Ceramics; New Hampshire Insitute of Art

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#7 ayjay

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Posted 28 March 2014 - 05:30 PM

I guess I'll have to keep this one. Only noticed it after it was bisqued. -_-

 

DSCF1727modifiedF_zpsb0f414b1.jpg

 

 

 

 



#8 mregecko

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Posted 28 March 2014 - 06:56 PM

For what it's worth, I think that's a really cool inclusion. Many people ADD bits of metal to their pieces specifically to get looks like that.

 

Imperfect can be pretty :-)



#9 Babs

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Posted 28 March 2014 - 07:14 PM

Try a wedding ring! Handbuilding was my excuse, not so much feel for me.

Nice effect..

but I don't think the understanding stretches to no.3 ring!!  Now I just leave the rings on.

Also some lead pellets for an air rifle, that was prob worth pursuing but had to show the right amount of  disturbance to my son. No pellets in my part of the shed.



#10 Darcy Kane

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Posted 28 March 2014 - 07:36 PM

I feel your disappointment but what is worse for me is when you BUY clay and it has crap in it.  I finally stopped buying Laguna BMix.



#11 Bob Coyle

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Posted 28 March 2014 - 08:16 PM

ayjay I'm inspired! Just for fun I will nu-braid some copper wire and steel wire and try to wedge it into the surface of the next pot I throw. Then I will glaze it and do a single fire to cone 5 and see what I get.



#12 Nancy S.

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Posted 29 March 2014 - 08:13 PM

I suppose you could also use it as a plaster cottle, since you'd have to toss that clay anyway... :/



#13 Chantay

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Posted 30 March 2014 - 08:52 PM

I went and bought another batch of clay. I had been thinking of switching to a red.a good time to do it. Meanwhile I am trimming more bowls. Taking forever for them to dry with steady rain for two days. Wore through another trimming tool. Have some heavy duty ones ordered.


- chantay

#14 Stellaria

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Posted 31 March 2014 - 12:12 AM

Have you thought about making your own trim tools, like the hacksaw blade trimmers Hsin Chuen Lin makes and uses? Might end up less expensive and more durable in the long run...

#15 Babs

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Posted 31 March 2014 - 01:06 AM

Have you thought about making your own trim tools, like the hacksaw blade trimmers Hsin Chuen Lin makes and uses? Might end up less expensive and more durable in the long run...

Anyone use these straight on wheel head i.e. no bat?  Or are they just used as feet trimmers?



#16 Stellaria

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Posted 31 March 2014 - 09:27 AM

....you use metal tools on the wheel head? What for?

Yeah, the hacksaw blade tools are for trimming feet, skimming clay off of bottoms and sides, etc. I'll see if I can pull up some videos.

Here's Hsin's video on making the tools:

#17 ayjay

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Posted 31 March 2014 - 09:44 AM

 


Anyone use these straight on wheel head i.e. no bat?  Or are they just used as feet trimmers?

 

 

 

I make my own trimming tools from metal banding strap (it's used to tie stuff together on pallets - and becoming harder to obtain as often replaced now with plastic) but I don't run them on the wheel head.

 

If there's any preliminary trimming to do just after throwing (which will be down to the wheel head)  I use wooden tools, I make those too.  ^_^



#18 schmism

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Posted 31 March 2014 - 11:46 AM

Simon leach has a couple of vids of him makeing trim tools out of banding material.

 

Ive made several out of both.   Note that the banding material comes in several thickness and the thinner stuff doesnt work as well as some of the thick stuff.

 

With my wood working shop I've also made some plate ribs as well as other wooden trim tools.



#19 Stellaria

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Posted 31 March 2014 - 11:50 AM

Yeah, I use wooden tools to cut excess away from the bat or wheelhead, too. For a while I used my pointed stainless trim tool, but quickly realized that I was dulling the crap out of it, and quite pointlessly at that. The wooden knife cleans and undercuts just fine.

#20 Chantay

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Posted 31 March 2014 - 11:21 PM

I need to figure out something.  ANOTHER tool broke today.  This time the metal loop at the end of the handle just came flying off.  It left a divot in the bottom of a foot ring.  I have some better quality tools but the are larger.  I have been doing some detailed foot rings and like the small cheap tools.  I ordered some new ones but it is hard to tell what they look like on the web site.  I was packing a box of stuff today that I am selling and came across another mug with a bit of metal poking through the glaze.  So frustrating.

 

chantay


- chantay




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