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perkolator

Member Since 08 Feb 2012
Offline Last Active Yesterday, 12:32 PM
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Posts I've Made

In Topic: Which Do You Prefer For Joining Process?

Yesterday, 12:37 PM

i just use clay slop from reclaim barrel mixed to yogurt consistency with water.  if the piece is more dry, i'll sometimes add vinegar to the mix since it's quick and simple.  have tried the magic water/paper slip once or twice, it was decent but when it's not immediately in my grasp it doesn't get utilized.

 

on larger structural joints for something like a 1" thick wall of a large sculpture - i like to slip/score with a plastic fork (just enough yield to not score too deep) and then take a sharpened chopstick and "stitch" the two sides together, followed by a small coil  smoothed over by fingertips and then rib the whole thing --- never had any issues with one of these seams coming apart, just make sure you don't trap much air when using this method.


In Topic: Making Cone Packs

15 September 2014 - 05:36 PM

^Pretty much it.

Standard cone pack is 3 cones - Guide cone, cone, guard cone.  When guide cone melts, it's time to watch kiln more often until done.  Guard cone is to show going "too far".

 

Angle of cones is the same as the angle cut off the bottom, not perpendicular/90*.  I like to line up the stamped side of the cones, about 1/4" apart, this is so they all fall at an angle and do not overlap.  

 

In our studio, we typically use kiln wadding for embedding cone packs.  Our wadding is equal parts kaolin, silica, and grog.  They dry out quick and never had issues with them cracking and falling apart.  Regular studio clay works too, just make sure to perforate it to let steam out in quick firings and to control cracking/falling apart.  If you have time to allow them to dry completely, do that or make a few dozen cone packs in advance so you always have bone dry conepacks.

 

I'm sure you could figure out making a reusable stand for cones, but I don't see any point since embedding in clay is as simple and reliable as it gets.


In Topic: Best Heavy-Duty Banding Wheel Currently Available?

15 September 2014 - 05:02 PM

Thanks everyone.  Looks like I'll be getting some Shimpos!  We do have some of those 12" lazy susan bearings setup as turntables, they're OK but undergrads tend to clog them with clay somehow.  I'm also just looking for something "nicer" for a tool checkout system.

 

Still going to try to build an HD turntable sometime this year.  Last year our Sculpture lab acquired a bunch of free umbrella stands, so I snagged 2 of them for future HD banding wheels.  Material is 2ft square, 1/2" thick steel plate, uber heavy.  Should make a nice turntable with a hub bearing from the junkyard.  I'll be sure to share my results.


In Topic: Your Favorite Pottery Videos?

11 September 2014 - 06:21 PM

"The Meaders Family:  North Georgia Potters" -- documentary.  really good at showing "how things used to be done"  (hand-dug clay, hand-crushed glass to make glaze, wood-fired)

 

"Revolutions of the Wheel"  -- pretty good 5-part series on ceramics, but a complete failure at documenting the major female contributors of the early ceramic arts  <_<

 

Korean Onggi Pottery videos -- on YouTube, posted by Adam Field.


In Topic: New To Me Skutt Km 818-3

11 September 2014 - 06:03 PM

nice!  should treat you well

 

the 818 (and 1027) in our studio is one of the most frequently fired kilns we have.  Great size for a small tabletop sculpture or bunch of tests.