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Silicon Heat Mat controller?

Posted by zelos11 
Silicon Heat Mat controller?
August 28, 2015 12:49PM
Hey people,
I'm planning to build a very large 3D printer.
The printer should use a silicone Heatmat. 90x90cm / 220V / max. 140C temperature.
The silicone Heatmat will be powered externally. it should also be regulated by a digital temperature controller.
Can any of you guys give me recommendations for the purchase of the controller?

Normal XY Core 20x20x30cm
IN Build:
Normal XY Core 50x50x50cm
BIG XY Core 1m x 1m x 1m
Re: Silicon Heat Mat controller?
August 28, 2015 01:08PM
I use an AC mains powered heated bed in my large delta printer. I use the standard heated bed management in the Duet controller electronics and firmware to drive it via a zero-crossing DC-AC SSR. More details in my blog at [miscsolutions.wordpress.com]. You should be able to use this approach with most types of controller electronics and firmware, just make sure that either the heated bed control is bang-bang, or if it is PID then it is using very slow PWM (1Hz or less).

Edited 1 time(s). Last edit at 08/28/2015 01:11PM by dc42.

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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