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Tempering oven timer

Discussion in 'Forges, Ovens, Kilns, & Salt Pots' started by dancom, May 14, 2014.

  1. dancom

    dancom Dust Maker Best Shop Tool

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    I was wondering what people are using for tempering ovens and controls. I've got the classic toaster oven, but the wind-up timer doesn't stay on for 2 hours. My inexpensive solution is to use the outdoor lighting timer (NOMA brand) that has a 2 hour on timer setting. See image:

    [​IMG]

    This seems to work pretty good. In the ON position, I get the oven up to temp and then switch it OFF then around to the the 2Hrs setting. It faithfully kicks the oven off in 2 hours. I can do other things in the shop without forgetting or having to go back every 1/2 hour and reset the wind-up timer on the oven.

    Anyone have any other ways of doing this? Hmmm, did you say Rampmaster?

    :)

    Dan
     
  2. Grouch

    Grouch Active Member

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    Dan I installed a cheap pid controller and thermo couple in mine. Works great. Actually its built in an old comp power supply box and when the oven is toast I can just put the thermo couple in a new one and plug it in.
     
  3. donnymac250

    donnymac250 Member

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    i leave mine on , and use my cell phone timer .
     
  4. dancom

    dancom Dust Maker Best Shop Tool

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    Grouch, do you have a timer or just watch the clock? I have a spare PID controller from my HT oven build (the SSR out is dead, but the relay out and alarms are working fine). That would keep the temp stable, but how about timing the 2 hour cycles? Now my brain is thinking a little time delay relay that you could be triggered to start timing with the PID's alarm contact. Once the PID controller reaches alarm temp, it triggers the relay to start a two hour count down. That would pretty much be automatic.

    Really I was hoping to hear that someone hacked the clock/timer guts from an old stove and built some crazy Frankenstein thing. You know, that would give me a reason to visit the dump next Saturday. :)

    Dan
     
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  5. Grouch

    Grouch Active Member

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  6. dancom

    dancom Dust Maker Best Shop Tool

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    Nice find. That's got everything I need and good for 1200 Watts. I think I'll get one and concoct something.

    Dan
     
  7. Rob W

    Rob W Active Member

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    I use my phone , its always with me for work
     
  8. Grouch

    Grouch Active Member

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    I was wondering if you guys take your blades out of the temper oven to cool at room temp between tempers or let them slow cool in the toaster oven.
    There seems to be quite a difference of opinions on this. Some makers even quench in water after the temper. Just curious what other people are doing locally.
     
  9. Rob W

    Rob W Active Member

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    out to room temp..........
     
  10. Grouch

    Grouch Active Member

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    Ya me too and pretty good results so far.
     
  11. dancom

    dancom Dust Maker Best Shop Tool

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    I just switch the oven off and open the door. The blades are usually cool within 1/2 hour.
     

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