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by Terry Gallentine
Thu Apr 23, 2020 1:27 pm
Forum: Kiln Casting
Topic: Using Glass Flux in Casting Process
Replies: 3
Views: 377

Re: Using Glass Flux in Casting Process

Thanks Kevin. I assume that sticking might be a problem with the glass flux but I think that I will give it a try. I am using Spectrum Nuggets for the casting. If the flux doesn't work, I may try the same idea of a splash coat of powdered 96 COE frit. I kind of hope that the glass flux will (besides...
by Terry Gallentine
Thu Apr 23, 2020 11:23 am
Forum: Kiln Casting
Topic: Using Glass Flux in Casting Process
Replies: 3
Views: 377

Using Glass Flux in Casting Process

I am casting some pieces that have pretty fine detail and small channels. After I have steamed and burned out all wax residue from the molds, I am considering doing a splash application in the molds of dilute low temp glass flux before I do the pot cast. The idea would be to enhance the flow of the ...
by Terry Gallentine
Thu Mar 05, 2020 2:04 pm
Forum: Techniques and Tools
Topic: painting crisp, even thickness lines
Replies: 11
Views: 1448

Re: painting crisp, even thickness lines

Don- I like the idea of using the Oracal 13 resist and using a parallel blade cutter but I was wondering how you prefer to apply the paint to the lines. I have used airbrush in the past but it creates a lot of mess. Do you just paint the paints on the lines and does the Oracal eliminate any underfea...
by Terry Gallentine
Tue Feb 11, 2020 3:29 pm
Forum: Techniques and Tools
Topic: Carbon Steel Mold
Replies: 3
Views: 578

Re: Carbon Steel Mold

With the stainless steel molds that I have, I have had mainly some surface oxidation in the form of rust. On the steel disc blade that I have been using, I have had minimal flake spalling. In both cases applying kiln wash minimizes problems. I was just wondering if there was a coating that I could u...
by Terry Gallentine
Mon Feb 10, 2020 1:32 pm
Forum: Techniques and Tools
Topic: Carbon Steel Mold
Replies: 3
Views: 578

Carbon Steel Mold

I usually use stainless steel for my bowl molds but I am considering buying a carbon steel wok to use as a mold. Has anyone used ITC or some other product to limit spalling on carbon steel molds?
by Terry Gallentine
Fri Jan 31, 2020 1:26 pm
Forum: Kiln Casting
Topic: casting glass
Replies: 5
Views: 819

Re: casting glass

I just checked with Olympic Color (where I got my nuggets a few years ago) and their price for a 50# bag is $62.50. That is not a huge price increase. The trick is in avoiding the freight charges if possible.
by Terry Gallentine
Fri Jan 31, 2020 1:18 pm
Forum: Kiln Casting
Topic: casting glass
Replies: 5
Views: 819

Re: casting glass

I always used Spectrum Studio Nuggets and still have a back supply. Oceanside has evidently started producing nuggets since they are listed at Delphi. They are however more expensive than the Spectrum nuggets that I purchased a few years ago. When I bought nuggets a few years ago, they cost about a ...
by Terry Gallentine
Sun Aug 25, 2019 10:21 pm
Forum: Techniques and Tools
Topic: air supply for blasting hood?
Replies: 8
Views: 2479

Re: air supply for blasting hood?

Bonnie, What you are looking for is a positive air flow respirator. I found several on Amazon, but remember that the ones with full face mask also have the problem of the clear area being pitted by the blasting and will require expensive replacement. All of the ones that I found did not come with an...
by Terry Gallentine
Wed Jul 10, 2019 11:34 am
Forum: Techniques and Tools
Topic: SSR question
Replies: 17
Views: 5168

Re: SSR question

Thanks Bert. Are your relays mounted away from the kiln? I plan on isolating them from the kiln so the ambient temp will not be more than room temp along with using heat sinks. The other question that I have is about the goo. Isn't the goo for ssr's designed to transmit temperature rather than insul...
by Terry Gallentine
Mon Jun 17, 2019 11:08 am
Forum: Techniques and Tools
Topic: Mica in Casting Mold
Replies: 1
Views: 1175

Mica in Casting Mold

Has anyone out there tried putting a thin coating of mica on the surfaces of a casting mold for a pot casting? Mainly I am curious as to whether the mica will move with the flowing glass or will it form a fairly uniform outer coating.
by Terry Gallentine
Tue May 14, 2019 2:17 pm
Forum: Newcomer Forum
Topic: enamel suggestions
Replies: 17
Views: 4487

Re: enamel suggestions

I have done work very similar to wet on wet watercolor by sandblasting the glass first for tooth. Then load the sandblasted glass with water and start to paint on the enamels. The flow that I got was very similar to watercolor washes.
by Terry Gallentine
Fri Apr 26, 2019 11:58 am
Forum: Techniques and Tools
Topic: kiln controller question
Replies: 15
Views: 4311

Re: kiln controller question

Thanks again Bert.
by Terry Gallentine
Fri Apr 26, 2019 11:56 am
Forum: Techniques and Tools
Topic: SSR question
Replies: 17
Views: 5168

Re: SSR question

Thanks Bert. I am going with a single zone because I tested the different outer zones with a temp gun and have found them not to vary much from each other or the center. I built the kiln with a very even separation of elements in the ceiling and heavy insulation. It seems to be pretty consistent. Th...
by Terry Gallentine
Thu Apr 25, 2019 10:27 pm
Forum: Techniques and Tools
Topic: kiln controller question
Replies: 15
Views: 4311

Re: kiln controller question

Thanks Bert, I think that I am going to wire a single female to the controller and switch out thermocouple lines when I need to. I am going to use a low voltage toggles to switch signal voltage lines but I would be worried about doing the same thing with the thermocouple lines where current accuracy...
by Terry Gallentine
Sun Apr 14, 2019 6:27 pm
Forum: Techniques and Tools
Topic: kiln controller question
Replies: 15
Views: 4311

Re: kiln controller question

Thanks Kevin. That is good information that I will use when I set up my thermocouples.
by Terry Gallentine
Sun Apr 14, 2019 6:25 pm
Forum: Techniques and Tools
Topic: SSR question
Replies: 17
Views: 5168

Re: SSR question

Thanks Baxsie. I appreciate the help.
by Terry Gallentine
Sat Apr 13, 2019 12:22 am
Forum: Techniques and Tools
Topic: SSR question
Replies: 17
Views: 5168

Re: SSR question

Thanks for the information. I was probably going on outdated information on the failure potential of ssr's. I had a friend have a relay in his controller fail many years ago. The kiln was white hot by the time he checked it. It kind of spooked me.
by Terry Gallentine
Sat Apr 13, 2019 12:18 am
Forum: Techniques and Tools
Topic: kiln controller question
Replies: 15
Views: 4311

Re: kiln controller question

I have already gotten the type K connectors and type K extension wire. I am going to have a single length from the thermocouple to the controller. I am going to run some tests on a 25' run to make sure that the thermocouple is reading the same as with a much smaller run (5').
by Terry Gallentine
Fri Apr 12, 2019 7:09 pm
Forum: Techniques and Tools
Topic: SSR question
Replies: 17
Views: 5168

Re: SSR question

Thanks for the information on the ssr's. I was already planning on using good heatsinks with the ssr's and setting them away from the kilns to minimize ambient temperature. What I was thinking about doing to minimize the failure of the ssr was to use separate ssr's on each of the hot legs of the 240...
by Terry Gallentine
Fri Apr 05, 2019 4:00 pm
Forum: Techniques and Tools
Topic: SSR question
Replies: 17
Views: 5168

Re: SSR question

I just asked because I have 40 amp relays already. I will look for 50 amp relays and see what I can find. I have always considered redundant relays (relays on both lines) to be the way that I would want to wire a kiln, in case one of the relays crapped out in a closed circuit position. I am wiring t...

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