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cleaning extruder

updated sat 20 may 00

 

Marcia Selsor on tue 16 may 00


Mine is not pneumatic, but to clean my extruder I use a 4" paint scraper
and a toilet bowl brush.
Have fun with your extruder!
Marcia in Montana

Joyce Lee wrote:
>
> The Bailey pneumatic extruder is up and going .... extruded large,
> 9 1/2" octagon shapes today, maybe 8" high.... after a few misses with
> amount of air pressure from compressor ... and setting the pressure on
> the extruder itself.... and adding water to clay directly into barrel,
> pressing plunger and splashing water everywhere. (Sylvia couldn't help
> giggling... don't think she tried to NOT giggle, actually.) Still, all
> in all, it was a successful run through. I don't see it as replacing my
> wheel or slabroller in any way, but it's fun for this non-mechanical,
> non-technical person to become involved in such learning at my advanced
> age. Now maybe I'll even use that air compressor for spraying slips and
> glazes... poor baby has been nesting in its corner of the studio for a
> couple of years absolutely unused. REQUEST: Does anybody have tips for
> cleaning the extruder when a run is completed and it's time for a new
> die to be installed? If so, I'd really appreciate you taking the time to
> send them to the list.... where I know there are others with the same
> question. Thank you.
>
> Joyce
> In the Mojave firing bisque ... tried gas firing, too, but the wind is
> too ferocious ... let me get to 1800 F and then no go ... Geil has
> safety feature, thank goodness, that shuts off when the gas goes out.
>
> ______________________________________________________________________________
> Send postings to clayart@lsv.ceramics.org
>
> You may look at the archives for the list or change your subscription
> settings from http://www.ceramics.org/clayart/
>
> Moderator of the list is Mel Jacobson who may be reached at melpots@pclink.com.

--
Marcia Selsor
selsor@imt.net
http://www.imt.net/~mjbmls
http://www.imt.net/~mjbmls/spain99.html
http://www.silverhawk.com/ex99/selsor/welcome.html

Jeremy/Bonnie Hellman on tue 16 may 00


Hi Joyce,

One safety thing when running that pneumatic extruder is to wear safety
goggles. Sometimes that clay pops when an air bubble goes through, and you
can get a mini-clay shower. The safety goggles protect your eyes just in
case.

Bonnie

> From: Joyce Lee
> Reply-To: Ceramic Arts Discussion List
> Date: Tue, 16 May 2000 16:29:31 -0700
> To: CLAYART@LSV.CERAMICS.ORG
> Subject: cleaning extruder
>
> The Bailey pneumatic extruder is up and going .... extruded large,
> 9 1/2" octagon shapes today, maybe 8" high.... after a few misses with
> amount of air pressure from compressor ... and setting the pressure on
> the extruder itself.... and adding water to clay directly into barrel,
> pressing plunger and splashing water everywhere. (Sylvia couldn't help
> giggling... don't think she tried to NOT giggle, actually.) Still, all
> in all, it was a successful run through. I don't see it as replacing my
> wheel or slabroller in any way, but it's fun for this non-mechanical,
> non-technical person to become involved in such learning at my advanced
> age. Now maybe I'll even use that air compressor for spraying slips and
> glazes... poor baby has been nesting in its corner of the studio for a
> couple of years absolutely unused. REQUEST: Does anybody have tips for
> cleaning the extruder when a run is completed and it's time for a new
> die to be installed? If so, I'd really appreciate you taking the time to
> send them to the list.... where I know there are others with the same
> question. Thank you.
>
> Joyce
> In the Mojave firing bisque ... tried gas firing, too, but the wind is
> too ferocious ... let me get to 1800 F and then no go ... Geil has
> safety feature, thank goodness, that shuts off when the gas goes out.
>
> ______________________________________________________________________________
> Send postings to clayart@lsv.ceramics.org
>
> You may look at the archives for the list or change your subscription
> settings from http://www.ceramics.org/clayart/
>
> Moderator of the list is Mel Jacobson who may be reached at
> melpots@pclink.com.

Cindy Strnad on tue 16 may 00


Joyce,

I don't know if your big, fancy extruder is different, but I spray my Scott
Creek extruder with WD-40 (as per the included tips) before using it. I'm
sure vegetable oil would work, too, but I haven't tried it. The WD is just
so handy, right there on the shelf. As you know, don't spray this stuff
without great ventilation.

After extrusion is finished, the clay just slips right off with no problems
at all. Do be careful not to use too much of the stuff, though, or your
clay will be too slippery to take any additions.

Cindy Strnad
earthenv@gwtc.net
Earthen Vessels Pottery
RR 1, Box 51
Custer, SD 57730

Joyce Lee on tue 16 may 00


The Bailey pneumatic extruder is up and going .... extruded large,
9 1/2" octagon shapes today, maybe 8" high.... after a few misses with
amount of air pressure from compressor ... and setting the pressure on
the extruder itself.... and adding water to clay directly into barrel,
pressing plunger and splashing water everywhere. (Sylvia couldn't help
giggling... don't think she tried to NOT giggle, actually.) Still, all
in all, it was a successful run through. I don't see it as replacing my
wheel or slabroller in any way, but it's fun for this non-mechanical,
non-technical person to become involved in such learning at my advanced
age. Now maybe I'll even use that air compressor for spraying slips and
glazes... poor baby has been nesting in its corner of the studio for a
couple of years absolutely unused. REQUEST: Does anybody have tips for
cleaning the extruder when a run is completed and it's time for a new
die to be installed? If so, I'd really appreciate you taking the time to
send them to the list.... where I know there are others with the same
question. Thank you.

Joyce
In the Mojave firing bisque ... tried gas firing, too, but the wind is
too ferocious ... let me get to 1800 F and then no go ... Geil has
safety feature, thank goodness, that shuts off when the gas goes out.

Coyotbeth@AOL.COM on wed 17 may 00


Have never used a pneumatic extruder but have taken a piece of denim wrapped
around the plunger - works well on the barrel. After running it down a
couple of times, all you need to do is wipe out with a damp sponge. As for
the plunger itself, guess the paint scraper or some kind of tool is the best
idea.
Beth

Laura Freedman on wed 17 may 00


I don't do a lot of extrusion work but when I do I use Pam spray from the
grocers. Works like a charm and very easy to clean
if you don't wait weeks to clean. Laura
>Joyce,
>
>I don't know if your big, fancy extruder is different, but I spray my Scott
>Creek extruder with WD-40 (as per the included tips) before using it. I'm
>sure vegetable oil would work, too, but I haven't tried it. The WD is just
>so handy, right there on the shelf. As you know, don't spray this stuff
>without great ventilation.
>
>After extrusion is finished, the clay just slips right off with no problems
>at all. Do be careful not to use too much of the stuff, though, or your
>clay will be too slippery to take any additions.
>
>Cindy Strnad
>earthenv@gwtc.net
>Earthen Vessels Pottery
>RR 1, Box 51
>Custer, SD 57730
>
>______________________________________________________________________________
>Send postings to clayart@lsv.ceramics.org
>
>You may look at the archives for the list or change your subscription
>settings from http://www.ceramics.org/clayart/
>
>Moderator of the list is Mel Jacobson who may be reached at
>melpots@pclink.com.

Joyce Lee on wed 17 may 00


Fred Sweet posted with a message that he'd sent to Bonnie Hellman. He
said it would be ok to send it to the list since there may be info here
not mentioned in other posts.

-Lubricate the barrel of your extruder with WD-40 or Pam cooking spray
> (without the butter flavoring).
> -Depending on whether or not you are starting with hollow extrusions, try
> to support or catch the on a long ware board as you extrude, or have the
> hollow extrusion stand upright on its end. Size of the cross-section in
> relation to the length of the extrusion will help to determine the best
> method of catching it.
> -Remember that the bridge or spider (used to hold the interior die during
> hollow extruding), goes up into the barrel. Sorry, I know that this sounds
> overly simplistic, but I have seen too many beginning students put it in
> upside down.
> -For a quick "cleaning" of the barrel, put some wadded up cloth toweling
> into the barrel during the last pull. Saves some scraping of the interior,
> and just a quick wipe with a wet sponge will probably suffice for the final
> cleaning of the day. Doesn't hurt to give the interior of the barrel a
> quick spray of WD-40 to avoid rusting (assuming that you have a black iron
> or steel barrel - not necessary for aluminum or stainless barrels.

--------------------------end of my message-------------------------

Joyce
In the Mojave having more fun than is probably legal at my age ... two
kilns fired, extruder up and working and clean, inside studio 50%
cleaned, watching Nils Tape 3 again for ideas ...lone raven marching
around perimeter of kiln patio at 4 this morning when I started firing
and very interested in what I was doing......