Excel Glass Firing Calculator
At the bottom of this page is a link to a Microsoft Excel spreadsheet for your kiln-glass firing schedules. 
Using this tool, you can: - Plan your schedule segments (ramps and holds)
- Estimate how long each segment will take
- Estimate when a segment will reach a target temperature
- Estimate the total time for the entire firing
- Add notes and pictures
The schedule automatically recognizes if you enter a temperature rate change (*ramp) that exceeds what the kiln can achieve (based on the values you enter on the "Max Ramp" tab). If you enter an unachievable rate (up or down), the schedule will highlight the cell in orange AND use the maximum possible rate to determine segment duration. This should yield considerably better estimations for segment and schedule completion times. Best of all, this spreadsheet is free. It requires that you own or have access to Microsoft Excel.
BY DOWNLOADING THIS SOFTWARE YOU AGREE TO THE FOLLOWING: This software is provided "as is", without warranty, and with all faults. This software is intended to estimate firing schedules and may, through a lack of precision and/or due to defect, provide grossly inaccurate data. You are ultimately responsible for determining your firing schedule. Kilns should never be left to run unattended. |
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Problems Using Spreadsheet
I think this is a very usefull tool but am having some trouble in using the Max Ramp portion of the spreadsheet. If I understand the spreadsheet instructions correctly, I should tailor this screen to match my kilns behaviour. The instructions say to enter "1000 in cell B6" , however cell B6 is a locked cell, as it appears are all of the cells showing black values. Am I understanding this incorrectly or is there an error in the spreadsheet?
How about a spot to add a
How about a spot to add a picture (maybe even before and after) of the glass. There's plenty ogf room on ther even for it to print out on an 8.5x11.
Steve Worcester
WWW.TURNINGWOOD.COM
Now it's April 2010. Was
Now it's April 2010. Was there ever an answer to this post. I too find the explanation of MAX ramp rate confusing & the sheet is Locked so no entry is allowed. Maybe it just a look up so eg if your kiln is at 700 the max up ramp is 1300 & down 220. That kind of makes sense but is it right?