Heated bed glass plate idea - December 16, 2014 04:03PM |
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Re: Heated bed glass plate idea - December 17, 2014 01:45AM |
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Re: Heated bed glass plate idea - December 17, 2014 12:04PM |
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Re: Heated bed glass plate idea - December 17, 2014 12:32PM |
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Re: Heated bed glass plate idea - December 17, 2014 01:09PM |
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Re: Heated bed glass plate idea - December 17, 2014 01:16PM |
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Re: Heated bed glass plate idea - December 17, 2014 02:13PM |
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Re: Heated bed glass plate idea - December 17, 2014 02:27PM |
Registered: 11 years ago Posts: 1,049 |
Quote
dave3d
I am using 6mm float glass (also known in some parts as plate glass). It is perfectly flat.
Never had an issue with it. Never shattered and never had a chunk pull away.
A glass shop cut me 3 pieces 200mm x 200mm for 10 GBP. I got them to take the sharp edges off.
I have a standard Reprap bed. I just timed it heating up and from room temp 22 deg C to 110 deg C and it took 14 mins.
Don't know how this compares to thinner glass.
Don't know wher you live, but Ikea do mirror tiles which are the exact size for printing.
Re: Heated bed glass plate idea - December 17, 2014 02:32PM |
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Re: Heated bed glass plate idea - December 17, 2014 03:12PM |
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Re: Heated bed glass plate idea - December 17, 2014 09:25PM |
Registered: 11 years ago Posts: 1,592 |
Quote
cozmicray
Perfectly Flat ---- NOT
unless it has been optically ground
Look at it with a laser or foucault edge tester
It will have hills and valleys
which get bigger and smaller under heating cooling
I have ground mirrors to 1/8 wavelength precision
your plate glass is far from perfect
Really not necessary for a 3D printer. Ordinary glass is plenty good enough.
_______________________________________
Waitaki 3D Printer
Re: Heated bed glass plate idea - December 18, 2014 08:13AM |
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Re: Heated bed glass plate idea - December 18, 2014 04:28PM |
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Re: Heated bed glass plate idea - December 19, 2014 05:53AM |
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Re: Heated bed glass plate idea - December 19, 2014 08:12PM |
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Re: Heated bed glass plate idea - January 09, 2015 12:41AM |
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