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boro glass plate

Posted by patjjrick 
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patjjrick
boro glass plate
October 23, 2015 03:47PM
Just in the process of putting a hictop prusa i3 together.
Does anyone know where I can get a piece of boro plate for it.
See plenty for sale but the bed size on this one is 220 x 275mm.
Pat
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dc42
Re: boro glass plate
October 23, 2015 03:56PM
If you have an aluminium heat spreader between the bed heater and the glass, then you don't need borosilicate glass. Ordinary float glass is adequate. I get my glass print beds cut by my local glass merchant.


Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
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patjjrick
Re: boro glass plate
October 23, 2015 07:04PM
So, if the bed is what looks like 1/8 aluminum; I'm okay to use plain glass??
Pat
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dc42
Re: boro glass plate
October 24, 2015 02:28AM
Yes. You only need boro glass if the heating is uneven, or you subject it to thermal stresses in some other way such as running cold water over it when it is very hot.


Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
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eried
Re: boro glass plate
October 25, 2015 02:22PM
How fast does your hictop bed heats up? I bought normal window glass for mine but I am replacing the wire first because the wire is heating up badly
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patjjrick
Re: boro glass plate
October 25, 2015 08:35PM
Don't know yet, not that far.
Just got the wiring done and was able to get the axises to move thru the lcd screen.
Will get the glass and start the other calibrations and such tomorrow.
Pat
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