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====== Jewelry Kiln ======

This kiln is working, but has no active users, so we are in the process of learning its idiosyncrasies and making a proper doc.


  * Model: unknown/custom electric kiln
  * Controller: [[https://www.auberins.com/index.php?main_page=product_info&products_id=4|SYL-2352 Ramp and Soak PID Temperature Controller]]
  * [[https://www.auberins.com/images/Manual/SYL-2352P%20Manual.pdf|Controller manual]]


====== Tool anatomy ======

{{:tools:jewelry_kiln:jewelry_kiln.jpg?nolink&600|}}


1. Controller
2. Breaker switches
3. Alarm lights
4. Temperature probe
5. Latches
6. Viewing port

====== To do ======

  * open & inspect electronics panel for safety
  * order & install alarm buzzer-lights
  * apply a better door seal


==== 4/18 "does it work" test ====

T value = time until next step

^ Step ^ Set Temp (˚F) ^ T value ^ Check time ^ Check temp ^ Notes ^
| 1 | 80 | 15 | 10:33 | 75 | 
| 2 | 300 | 15 | 10:48 | 295 | 213˚/15min = ~14˚/min |
| 3 | 0 | -121 | 11:03 | 265 | it definitely works |


==== 4/18 "is there an alarm buzzer" test ====

  * AL1: Set ALM1 to 1000˚
  * AL2: Set Hy-2 to 10˚

Asked the kiln to try to ramp to 2k˚ in 15 minutes. The alarm relays are firing, but no alarm light or buzzer sounds, so we need to get one (or two).

^ Step ^ Temp (˚F) ^ T value ^ Check time ^ Check temp ^ Notes ^
| 1 | 80 | 15 | step skipped ||
| 2 | 300 | 15 | 11:40 | 300 | AL2 light on, no buzzer |
| 3 | 2000 | 180 | 12:00 | 550 | proceeding to "can we get to 2k" test |
| | | | 12:03 | 600 |  |
| | | | 12:07 | 661 |
| | | | 12:15 | 766 |
| | | | 12:21 | 839 |
| | | | 12:27 | 896 |
| | | | 12:34 | 958 |
| | | | 12:54 | 1099 | AL1 light on, no buzzer |
| | | | 1:25 | 1250 |
| | | | 1:35 | 1284 |
| | | | 1:47 | 1331 |
| | | | 2:09 | 1386 |
| | | | 2:11 | 1400 |
| | | | 2:32 | 1454 |
| | | | 2:51 | 1492 |
| | | | 3:45 | ~1570 | hovering around here, jumping rapidly up and down. the area around the kiln is warm. this is about the functional limit of this configuration. |
| 4 | 80 | -121 | stop


==== Forge curing schedule ====

There's a forge which has been lined but needs to be heat-cured.

^ Step ^ Temp (˚F) ^ T value ^ Notes ^
| 1 | 100 | 60 | ramping up 100˚/hr |
| 2 | 200 | 60 |
| 3 | 300 | 60 |
| 4 | 400 | 60 |
| 5 | 500 | 60 |
| 6 | 600 | 60 |
| 7 | 700 | 60 |
| 8 | 800 | 60 |
| 9 | 900 | 60 |
| 10 | 1000 | 60 |
| 11 | 1100 | 60 |
| 12 | 1200 | 30 | holding for 1/2 hour for 1/2" of material |
| 13 | 80 | -121 | stop |

The official kast-o-lite packet says to ramp down 100˚ per hour, but people online seem to skip this step.


==== misc notes ====

  * it's possible to store several simple programs; there are 30 steps total
  * it's possible to set a schedule which is impossible for the machine to achieve
  * telling people in plain english how to set alarms for each type of project is important
  * the alarms don't stop anything and are not a safety feature so much as an alert
  * it's possible to observe and change the schedule while it's in progress