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Heatbed wont heat past 117 degrees C

matrix4721

Heatbed wont heat past 117 degrees C
October 01, 2013 08:06AM

Registered: 11 years ago
Posts: 121

Hi,
Ive finished building my prusa i3 but the heatbed wont heat past 117 degrees C, im using the 12v 30amp power supply with 18 awg wire and mk2 heatbed, any ideas what might be causing this? thanks

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woo

Re: Heatbed wont heat past 117 degrees C
October 01, 2013 08:12AM

Registered: 11 years ago
Posts: 248

put some isolator below heated pcb. also if its cold in room i think thats ok...

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matrix4721

Re: Heatbed wont heat past 117 degrees C
October 01, 2013 09:11AM

Registered: 11 years ago
Posts: 121

Yeah i was thinking the aluminium frame might be sucking all the heat away. any suggestions on what to use for the isolator?

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Traumflug

Re: Heatbed wont heat past 117 degrees C
October 01, 2013 11:08AM

Registered: 13 years ago
Posts: 7,616

Cotton batting is fine, survives about 400 °C. Cosmetic batting is typically made of cotton.

Generation 7 Electronics	Teacup Firmware	RepRap DIY

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woo

Re: Heatbed wont heat past 117 degrees C
October 01, 2013 11:50AM

Registered: 11 years ago
Posts: 248

well, i am lazy ass guy so i folded few sheets of newspaper, and clamp it in sandwich with glass and pcb....it works grinning smiley