Universal gear hobbing semiautomatic machine with increased accuracy with a vertical axis of the part for processing spur and helical gears and sprockets, worm wheels, worm cutters by rolling method. The semiautomatic machine has a vertical axis of the part and a table movable along the horizontal guide. The workpiece clamping cylinder is mounted on the table spindle. In order to use the entire length of the cutting edges of the worm cutter, its periodic movement along the axis is provided. The semiautomatic machine is equipped with a relay control system.
53В30П-10 machine version has a mechanism and a slide of tangential feeds.