Firing Schedules



Ceramic Firing Schedules

Fast firing is almost universal in most sectors of the ceramic industry now. Companies hire experts to design kilns and firing procedures to successfully handle the type of ware they manufacture. Small potteries, university ceramics programs, potters and hobby potters have periodic kilns and generally do not fast fire. This enables them to use clays and glazes and make ware that would not be practical in fast fire kilns. The results that a specific glaze gives are a combination of the recipe, the underlying clay and the firing schedule (which implicitly embodies control of the kiln atmosphere). This area of the Digitalfire Reference database is intended to capture the firing part of the puzzle. In theory, no glaze should be separated from its firing schedule, especially if it is reactive and special-purpose in a way that depends on the firing history. If you have an account at Insight-live.com, you can define firing schedules in greater detail than shown here and you can link recipes to schedules.

The format for the data in this area matches the way a typical electronic controller for an electric is programmed (although at Insight-live.com you can also create period-schedules, as opposed to rate-schedules, for gas kilns).


By Tony Hansen

See Also

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    There is a big gap between industrial and studio gas kiln technology. Even the basic theory behind how to construct and file are different. Can potters learn?

  • Body Cracking and Dunting During Firing

    Ceramic industry can fire much faster and deal with much heavier objects than potters can, how do they do it. The answer is they pay more attention to...

  • Ceramic Glazes Today

    Todd Barson of Ferro Corp. overviews the glaze formulations being using in various ceramics industry sectors. He discusses fast fire, glaze materials, development and trouble shooting.

  • Interpreting Orton Cones

    Interpreting how high a kiln fired based on the look of the cones can be a much more complicated matter than it might first appear.

See Also

  • Firing Schedule

    In most electric periodic kilns firing schedules are programmed into electronic controllers to control the rate-of-rise, soaking time and often the cooling curve. In industry firings are very fast, optimization of every stage is absolutely critical, in hobby ceramics and small companies firings are ...

  • Controller

    An electronic device attached to a kiln. Controllers are usually capable of firing a kiln to a specific schedule and can shut it off at the right time, soak it for a specified period, and cool it down at a controlled rate. All modern electric kilns are equipped with controllers and most industrial g...




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