A frame for an x-ray tomography device allows a gantry of the frame to be tilted with a minimum applied force. The frame includes a stand having two arms, and the annular gantry is positioned between the two arms and has an outer support pivotally mounted to the arms of the stand for tilting of the gantry about a tilt is of the gantry extending between the arms. An inner support is rotatable within and with respect to the outer support about a spin axis of the gantry extending substantially normal to the tilt axis. The inner support is adapted to hold x-ray tomography components for rotation therewith. The frame also includes a tilt guide secured to one of the gantry and the stand at an outermost circumference of the gantry, and a drive mechanism secured to the other of the gantry and the stand for applying a force to the tilt guide so that the gantry tilts about the tilt axis.