Hot Bed Enclosure V3

thingiverse

Issues of warping and cracking in ABS printing can be solved using a Heated Build Chamber. This kind of chamber is bulky and all the components of the printer (plastics, electronics) undergo a high temperature. The principle of the proposed solution is to build a heated enclosure around the hot bed, and not as usual around the printer. The expected advantages are: + Printer parts -electronic components,motors . . .- work at room temperarture, + No need of extra heating, + Less power to heat the bed (up to 50% less). The enclosure consists of three main parts: + 2 insulation sheets that cover the entire hot bed, + 2 side plates attached to the printer frame, + and 2 Z shutters which follow the movement of the X axis. Insulation sheets (upper covers) and shutters of the enclosure are fixed to a support consisting of aluminum angles and plastic parts, itself fixed to the X axis rods.Front and rear covers consist of 3 layers of mylar film, PE foam and aluminized plastic film. see video: https://youtu.be/211JHkUjk4k This is an improved version of my previous designs: www.thingiverse.com/thing:997467 www.thingiverse.com/thing:911708 Additional features are: + Improved insulation, + Simple and easy install/uninstall (nothing to unscrew), + Angle distance adjustment. The X shutters of the previous designs are suppressed and the distance between the angles is reduced to limit the heat losses.