Mini closed 3D printer with screws

grabcad

This second realization of a small screw printer also required a lot of care.Nema 8 engines are interesting for driving this application. Despite good tests carried out initially, a search for optimal ventilation was carried out gradually, but the last drawn version has not yet been tested. The prints made required the revision of the parameters of the config.h of the Marlin software. The accelerations must be changed to obtain instantaneous speeds with regard to the correction of the faults. In the last photo, a command box has been added to make this little printer stand alone.