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Thread: "Cold spot" on my heated bed?
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06-18-2014, 08:02 AM #14
You raise some good points, Printbus. I've put aluminium cooking foil between my heat bad and glass, and cork sheeting underneath the heated pad. This was in response to thoughts in a thread. I think that the aluminium foil would distribute the heat across the glass.
If I remember correctly, my heater pad was bowed in the middle a little. I did try to take the bow out by putting some 1/4 x 1/4 stick under the centre of the bed, but then I took it away because I figured that the glass was flat. I don't think the stick helped much.
The more I think about it, the more I approach the conclusion that the best way to stop this lifting problem is to:
1. Give the heated bed some time to stabilise its temperature. Perhaps it would be wise to let it heat for about 10 minutes before starting a print.
2. Lay down at least 2 layers at 0.2mm at a speed of about 30mm/second
3. Put a raft under the print, and a skirt around it.
OMELast edited by old man emu; 06-18-2014 at 08:06 AM.
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05-27-2024, 01:15 AM in General 3D Printing Discussion