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Old 01-20-2011, 06:05 AM
Pete VanderLaan's Avatar
Pete VanderLaan Pete VanderLaan is offline
The Old Gaffer
 
Join Date: Apr 2002
Location: Chocorua New Hampshire
Posts: 21,987
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It's a problem and part of why the 500mm hot zone elements aren't being used anymore.

I had to account for the heater length when I built my hood. I think rolling a furnace on a smooth floor will probably ( probably mind you) work but it depends on the construction and seating of the passage brick. Simply put, they're fragile. I see lots of stuff. I had one man methodically break every one of his elements, one after another trying to pry them out of the bricks from inside the furnace instead of pulling the whole unit. In my shop I once had the elements all out and on the marver and Mary Beth came and sat on them...
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