KWU type-cone bread worm gear reducer under the worm wheel KWS type - worm on the side of the worm wheel cone-cone cylindrical worm reducer KWO type - the worm on the worm wheel on the cone-shaped cylindrical worm speed reduction The K-worm is ZK1 type, W-worm reducer, U-worm is under the worm wheel, S-worm is on the side of the worm wheel, O-worm is above the worm wheel.
