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Safety -- Make sure you are safe! |
2009-01-07, 10:53pm
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honorary bead lady
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Join Date: Jan 14, 2008
Location: Mostly the doghouse
Posts: 5,180
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Check that the controller can set to ramp and hold. There are some sold that can only go to a single set tempature.
Check out the links to Marks tutorials...you are pulling more than 10 amps on both of these elements.
http://cgi.ebay.com/ws/eBayISAPI.dll...m=330298862842
14.5 amps @220 volts
http://cgi.ebay.com/Heating-Element-...3A1%7C294%3A50
115 Volts- 14 Amps - 1600 Watts
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David To view links or images in signatures your post count must be 5 or greater. You currently have 0 posts.
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2009-01-08, 4:31am
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In search of her path....
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Join Date: Jun 05, 2005
Location: North Seattle, WA (use to be Fort Wayne IN)
Posts: 7,285
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I dont mind so much if the controller is a set point yes it would be nice to have a more programmable one but I have to keep price down a bit and stick to what can be in the budget. Ive been reading the threads by Mark they are just invaluble I just am not sure how to know if what I choose it going to work together properly for what I need to have my kiln not draw more than 10amps.
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2009-01-08, 5:12am
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Senior Member
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Join Date: Jun 15, 2005
Posts: 2,251
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Karin, I know that Don McKinney's toolbox kiln only pulls 4 amps, so it can be done. If you look on his website he has the parts listed and where to buy them. Perhaps that will help. http://www.glasspalette.com/FujiTrou...tingGuide.html
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Pam
"It is easier to perceive error than to find truth, for the former lies on the surface and is easily seen, while the latter lies in the depth, where few are willing to search for it." Johann Wolfgang Von Goeth
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2009-01-08, 7:04am
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old fart
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Join Date: Apr 18, 2006
Location: st paul mn
Posts: 778
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Quote:
Originally Posted by IF-Designs
Ok so my bf and I are going to attempt to build an annealer and a controller but we are needing a 2nd opinion on stuff to make sure we are getting the right things. We dont really want it to pull more than 10amps. So here is what we are looking at.
For controller we are looking at this
This solid state relay
Thermacouple similar to this
Thinking abotu this for the controller housing...
Here are the elements we are looking at for the heating part
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the controller, not enouugh information. it does not say if it is a relay or SSR output. and the price isn't that good.
the SSR and TC, ok, not great. check out the controllers, SSR's, and TC at this link
http://stores.ebay.com/Tibetwalk-Electronics
if you read my tutorial, you would know that i recommend people use electromechanical relays and the reasons why. SSR's are great as well, but have some issues. you will need to have a large heatsink as well as an aluminum enclosure and possibly a fan to blow on the heat sink.
the 1st element looks good, it is for 240volts, but i would use it at 120v because you do not need that much power. the second element looks good and may fit into a small kiln better than the 1st. the 3rd element is basically heating wire, so it will be up to you to figure out how it will be mounted in the kiln. quartz tubes may work but i cannot say without knowing more about the elements than is in the ad.
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Mark Wilson
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2009-01-08, 7:35am
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In search of her path....
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Join Date: Jun 05, 2005
Location: North Seattle, WA (use to be Fort Wayne IN)
Posts: 7,285
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Thanks Mark! I was looking at the electro relays but am a lil confused on those I can find those in closer amp range that I want I will definately check out Tibetwalk....Thanks!
Karin
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2009-01-08, 7:37am
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In search of her path....
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Join Date: Jun 05, 2005
Location: North Seattle, WA (use to be Fort Wayne IN)
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so if I were to get this type I would have to use a SSR Relay?
http://cgi.ebay.com/PID-Temperature-...742.m153.l1262
This one is considerably more $$ but I cannot tell what type of relay I should use with it.
http://cgi.ebay.com/Temperature-Cont...742.m153.l1262
and then theres the fuji I found too
http://cgi.ebay.com/ws/eBayISAPI.dll...m=320330163120
I just dont know which type of relay to get and where to get a quality one for any of these. I went to some of the websites in the tutorials but I get so darn confused.
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2009-01-08, 7:59am
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William Hagy
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Join Date: Jan 13, 2007
Location: Spokane,WA
Posts: 415
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I went with the PXR Fugi controllers.....the one you have here appears to be a set point.
The SSR is a 20amp and may work for a 12-14amp element....not two ~Just one. do some simple math on the relay 25% over element draw.
I could use the second one for my stove at home.... third may work just remember you cannot cut them down to size as it changes things drastically.
M-board,K-brick, and fiberfrax are great insulators........
Hope it works out!
~Oh yeah the thermocouple will not work.
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50mm & 40mm Herbert Arnold Zenit Burners,Carlisle cc/cc+/mini,Liquid O2.
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2009-01-08, 8:06am
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William Hagy
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Join Date: Jan 13, 2007
Location: Spokane,WA
Posts: 415
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http://lampworketc.com/forums/showthread.php?t=64292
Scroll down thru the furnace pics......(big box far right w/lid open) there is the annealer I built. ~Keep in mind a few other things such as wiring,wire way box, thermocouple placement,etc...
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50mm & 40mm Herbert Arnold Zenit Burners,Carlisle cc/cc+/mini,Liquid O2.
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2009-01-08, 9:53am
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old fart
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Join Date: Apr 18, 2006
Location: st paul mn
Posts: 778
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Quote:
Originally Posted by IF-Designs
so if I were to get this type I would have to use a SSR Relay?
This one is considerably more $$ but I cannot tell what type of relay I should use with it.
and then theres the fuji I found too
I just dont know which type of relay to get and where to get a quality one for any of these. I went to some of the websites in the tutorials but I get so darn confused.
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the controllers at tibetwalk (the link is posted previously, are all designed to work with SSR's. the new controllers you linked to also seem to be designed for SSR's. if you check it out, the link i supplied offers a bundle of a controller and an SSR for about $50. keep in mind that you need a good heatsink to go with that SSR, and don't buy the TC they offer as it is a POS. duralite sells a 1/8th inch diameter, 6 inch long type K probe with an armored cable for $30. tou need the tip of the TC to be at least 1 inch inside the kiln and mounted away from the elements.
most of the controllers you have linked to do not give the model number. it is a long string of letters and numbers, used to identify they type of inputs and outputs as well as special features. IMHO, i would not buy a controller from ebay or anywhere, that does not give you the total number so you can research what it does.
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Mark Wilson
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2011-04-12, 8:21am
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Junior Member
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Join Date: Apr 12, 2011
Posts: 2
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Hi - I recently built a prototype for pottery kiln controller using an embedded controller, I've almost finished, but it wasn't too hard.
http://www.tinypixels.co.uk/projects/kiln/index.htm
Kind Regards
Jules
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2011-04-12, 9:30pm
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Alaska Boro
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Join Date: Dec 10, 2009
Location: Anchorage, Alaska
Posts: 1,065
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Yes, the Fuji PXR3 works well as a PID kiln controller. Cost about $69 on Ebay. The SSR is another ten bucks plus a Skutt replacement thermocouple for $14 if your present one is not working.
It takes three wire pairs to use the controller. One pair for 110 VAC, thermocouple and SSR.
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