KWU: Cone-wound cylindrical worm reducer with worm under the worm gear;
KWS: cone-cone cylindrical worm reducer with worm on the side of the worm wheel;
KWO: Cone-wound cylindrical worm reducer with worm above the worm gear.
KWU: Cone-wound cylindrical worm reducer with worm under the worm gear;
KWS: cone-cone cylindrical worm reducer with worm on the side of the worm wheel;
KWO: Cone-wound cylindrical worm reducer with worm above the worm gear.