Device for supporting the rotor of a linear stepping motor

摘要

The invention relates to the support and adjustment of the rotor on a cylindrical stator. The aims of the invention are to reduce the time and cost outlay for producing and adjusting this bearing, and to increase its functional reliability. The object of the invention is to create a roller bearing which can be fitted and set easily and increases stability. This object is achieved according to the invention on such a linear stepping motor in that in each case one bearing body is mounted on the magnet system, via fixing screws, at both ends of the rotor, which bearing body supports two rollers which are supported rigidly on the two raceways located in the upper circumferential semicircle of the stator, the raceways form an integral outline surface with the magnet structure of the stator, and the air gap between the magnet structures of the rotor and of the stator is smaller on the upper half circumferential circle than on the lower. The invention is applicable to linear stepping motors having a cylindrical stator and a rotor with a concentrically arranged magnet system. <IMAGE>