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Member Since 15 Feb 2013
Offline Last Active Yesterday, 09:36 PM

Topics I've Started

Magic Box Damp Box What A Type Of Plaster?

11 June 2015 - 10:42 PM

I have searched here and watched the Tim See video and haven't found which type of plaster to use. He just says plaster but not what type in his video. Would Plaster of Paris work for the magic box or do I need to use pottery plaster?


Epic Failure - Glaze Looks Boiled Where It Meets Another Glaze

27 May 2015 - 05:03 PM

I had my first WHOLE kiln load fail today. This has never happened to me before. I used a new glaze combination that I had tested and it worked fine on the test pieces but not today.
It is Amaco's HF Turquoise cone 6 and Coyotes cone 6 Sunset Pink.

The things to figure out...

Is the turquiose overfired? I am leaning towards overfired at this point but would like some input from you all. If overfired can I grind off the boiled rows and reglaze and refire at a lower cone? I realize this might affect the other glaze and all that but I am looking at it from a test to see what happens if I try it.

Are the turquoise and pink incompatible? If so why did it not do this on the test pieces?

Why does it look like its too thin ... That's 3 coats of glaze on there same as I did on the test pieces and yet it's practically vanished in spots.

Oh and I don't like failure and am not used to it so this is going to drive me crazy until I figure it out.


Shimpo Slabroller Chain Slipping And Binding

22 May 2015 - 06:48 PM

I am hoping one of you with a Shimpo can give some guidance. The studio has a Shimpo Slabroller and about a week ago someone had an issue with it (unknown what it was) and decided to try and fix said issue by dismantling the Slabroller.

This evening the studio director and I tried to find all the pieces and reassemble the machine.
Someone had removed a link in the chain, I guess thinking the chain was too loose and causing the jamming. With the link removed though it was nearly impossible to turn the height adjustment wheel and you could hear it straining the mechanism. We found the removed link and added it back in. The height adjustment wheels will now turn and the rollers go up and down but the chain on the wheel side of the unit keeps binding on the sprocket. We could not see if there was anyway to adjust this sprocket just enough to increase the tension a touch to keep it from binding. If I put my finger on it and add just a bit of tension by pulling it towards me it didn't skip and bind at all. Does anyone know if there is an adjustment somewhere?

Do the Shimpo Chains wear out and need to be replaced?

There is also a lot of play in the threaded shaft on that side of the roller much more than the other side. We don't know what was done when it was dismantled, is it possible this threaded shaft was bent somehow?
For the life of us we can't get that wheel/knob back on the shaft either, both wheel/knobs will easily slip onto the other side but neither one will slip all the way onto this shaft.

The director called around for a repair person to come out and they want almost $200 just to drive out here then more $ for time to fix, more $ for any parts and more $ if they have to order something and come back. He called and emailed Shimpo earlier in the week but no one has contacted him in return to answer these questions.

So I am asking you all in hopes someone might have a suggestion on how to get the height adjustment chain to feed smoothly and also how to get the wheel/knob back onto the shaft.

Thank you so much for your help.


Accidentally Left My Plugs Out... My Reds Look Fabulous

15 May 2015 - 09:31 PM

Last time I fired a load of glazed stuff I forgot until the last hour of the program to put my plugs in. I was worried I would have ruined everything but instead anything that had red on it came out really bright and beautiful.

WHY? Was it the additional oxygen? the slightly slower firing cycle as the kiln had to to work harder to get to temp? Just dumb luck?

To duplicate this again do I have to leave the plugs out until the last hour again or is there a certain period of time that works the magic with the Reds?


How Often To Clean Your Kiln?

17 April 2015 - 04:12 PM

I have been wondering how often I should remove everything and clean out my kiln? Every time? Monthly? Every so many firings?

I keep a bottom shelf in there all the time, and am wondering how often I should remove it and vacuum, brush, etc everything including the walls and element grooves.

I brush off the shelves every time before using them and do kiln wash, etc. I also do a visual check of the interior before each use and have never had anything explode and am very careful with glaze drips and such.

Oh and yes I know to wear a respirator while doing the cleaning.