Printrbot Heated Bed Upgrade #3DPrinting #3DThursday
I use a Printrbot Simple Metal to prototype product ideas and make lots of other little objects for use around the house or on the electronics bench. I chose this printer because the size was right for me, the price was good, the design seemed elegant, and its open software and hardware would allow me to hack it to suit my needs.
One of those hacks I’ve completed recently is the installation of a heated print bed and an upgraded hot end heater cartridge. A heated print bed helps prevent curling and warping. When a part is sitting on a cold print bed with hot plastic being applied on top, there is a significant temperature gradient within the part. Because plastic shrinks as it cools this can be a big problem, especially with plastics like ABS that shrink more than PLA. The result is that the corners of the object will pull off the bed and warp.
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I put together a fully documented heat bed upgrade for the Printrbot Simple Metal here: http://www.thingiverse.com/thing:329561 It uses off the shelf stuff and won’t change your bot in any permanent way. Glad to see others are thinking about a heated bed for this little printer!