Difference between revisions of "Kiln Zone"

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[[File:Kiln1.jpg|400px]]
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#REDIRECT [[Category:Kiln_Zone]]
 
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== Kiln Trained Users ==
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'''Terry W. - Warden - Trainer'''
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'''Matt Oehrlein - Trainer'''
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== KilnZone Rules ==
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1)  I3 KilnZone training is required to operate KilnZone equipment.  A list of Trained Users is below.
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2)  When not firing, all private materials and components need to be removed to member's storage.  The metal rack is for PUBLIC materials only.
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3)  Use Boron Nitride for public molds.  Use Kiln paper for Kiln floor.
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4)  Clean or apply KilnWash or Boron Nitride OUTSIDE.  No Exceptions.  ALWAYS use a mask. 
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5)  When using glass powder and other materials of 100 Micron or less, use a mask.  And don't work near other people. (Farther than 20' and near ventilation if possible).
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6)  Do Not open a working Kiln unless you are the current user or there is an emergency.
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6)  If you are using a Kiln and need to leave the building, Make sure Your name and cell # is on the KILN IN USE Whiteboard and the Kiln In Use Side is outward.
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7)  Do not put cardboard or paper in the cage.  Plastic is OK if more than 18" from the Kiln.
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8)  ABSOLUTELY NO FLAMMABLES OR PRESSURIZED CONTAINERS IN THE CAGE.
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== IN CASE OF EMERGENCY ==
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1)  If needed call 911.
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2)  If possible and effective, turn off Programmable Controller with green switch.
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3)  Else, if possible turn OFF Kiln 1 by turning all 3 knobs on Kiln 1 to ZERO.  You should hear a click and see the red light go out.
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3)  To contain fire, if necessary, use the fire extinguisher located at KilnZone.
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4)  Call current user at the cell number located on the clip board on the gate of the KilnZone.
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==Kiln and Glass Casting Classes==
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Starting 5/29/13  We will have Kiln Training and Glass Casting class almost every Wed at 7PM-9PM for the foreseeable future.  Members only.  Bring your own mask, N95 or better.  Materials will be supplied. No fee.  No Walkons.  Sign Up by editting this wiki.  About 5-6 members per class.  Classes Lock down at 5PM of the day prior.
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5/29 Class  7PM  FULL/CLOSED
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Matt O
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Matt A
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Nate
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Sarah
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Karianne
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6/5 Class  7PM  OPEN
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Kevin
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Maddy
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Mike F  [and possibly wife]
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Tony K
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6/12  NO CLASS DUE TO RED BULL
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6/19  Class 7PM  OPEN
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Devon T
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Chris P
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6/26  Class 7PM  OPEN
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Justin T
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== Kiln Trained Users ==
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'''Terry W. - Warden - Trainer'''
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==How to Program the Kiln Controller==
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Ver 1.0
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by Terry W.
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Step 1)  Turn ON controller with Green button.  You should see the current temp in PV display.
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Step 2)  Push the SET button.  You should see PASS in the PV display and 0000 in the SV display.
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Step 3) Our convention will be > for the rightward arrow button, ^ for the upward  and v for the downward, since I can't type that one.  Use >, ^, and v to type in 2000 and hit SET.
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Firing Schedules.
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You will see in books on glass, things called firing schedules.  They look like this:
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You read that as a set of instructions:
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Ramp up the temperature from room temp to 1250F at a rate of 300F per hour.
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THEN hold 1250F for 30 minutes.
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THEN ramp from there to 1420F at a rate of 300F per hour.
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THEN hold it for 30-60 minutes.
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THEN ramp as fast as you can from there to 960F
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THEN hold it for 90 minutes
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THEN ramp at 50F/hr to 800F
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SKIP holding it.
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THEN ramp at 100F/hr to 600F
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THEN turn it OFF and don't open the kiln until Room Temp (No Venting).
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Your Kiln Controller needs to be programmed in a series of steps.  Each steps has 3 attributes, C,T,Sv.
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So your list of instructions will look like
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C1,T1,Sv1
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C2,T2,Sv2
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C3,T3,Sv3
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Let me define what each of those are.
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C is the PID setting we use.  We always use PID#1, which I have preprogrammed into the controller.  Please do NOT change PID#1.
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T is time, in minutes.  More later.
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Sv  is a target temperature in F.  I believe Sv is short for “Set Value”.  And Pv is Present Value....of what you are trying to control, in our case Temp F.
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So from our example
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C1=0001, T1, Sv1=0070 (room temp)
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C2=0001, T2, Sv2=1250
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Now Let me explain what T is.  T1 is supposed to be the time (in minutes) we are telling the controller to get from Sv1 to Sv2.
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So our programming looks like this:
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C1=0001, T1=240, Sv1=0070 (room temp)
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C2=0001, T2=30, Sv2=1250
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C3=0001, T3= 60  , Sv3=1250
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Note that I am rounding to the nearest half hour because kiln work isn't that fussy
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...until you get to Pate de Verre, which is not covered in this lesson.
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Once you have put in all steps, scroll up to END and hit SET.  This enters your program.  The controller will keep it, even if switched off.
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Once programmed, you can
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1) Make sure the Thermocouple (yellow plug) is plugged into the yellow socket (check polarity).
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2) Make sure the data signal (blue cat5e wire) is plugged into the Controller and the Relay Box.
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3) Make sure the Relay box is plugged into the wall and the circuit breaker is set to ON.
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4) Roll the cart OUT of the cage.
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5) Make sure the top of the kiln is plugged into the bottom.
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6) Make sure all 3 knobs are set to 10 (or to 11 if you are a Spinal Tap fan).
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7) Make sure the Kiln is plugged into the Relay Box.
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8) Turn on the Controller with the Green Switch.
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9) Hit the > key and you ???
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== Equipment ==
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* [[Kiln]]
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* [[Kiln2]]
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* Relay Box/Programmable Controller 1
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* Web-based Programmable Controller 2
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== Consumables ==
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Kiln Wash (Special Mix)
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Boron Nitrate
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Various Grits
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== Kiln Store ==
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TBD
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== Tools ==
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Furniture Brush
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Mask
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Scale
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Gloves
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Pyrometer
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Kiln Sitter (Not Installed)
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Rolling Rack 
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Kiln Furniture
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Slumping Molds 
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<br>
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<br>
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[[Category:Equipment]]
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Latest revision as of 22:53, 9 August 2013