GEAR-HOBBING MACHINE Russian patent published in 1997 - IPC

FIELD: machine-tool industry. SUBSTANCE: gear-hobbing machine has bed 1 whereon ring facet plate 2 is mounted. The inner race of the facet plate is made up as inner toothing 3 the number of teeth of which corresponds to the number of teeth of wheels 4. Facility 5 for wheels 4 is secured to toothing 3. Inside the clamping attachment is stand 10 that is fixed to the bed. The outer surface of the stand is provided with ring support 11 mounted for permitting movement. The support has axle 2 that carries head 13 with two module milling cutters. The mechanism for the radial adjusting of the gear-hobbing head is made up as wedge 15, screw 16 and spacer 17. The mechanism for the step dividing of gear toothing 3 is made up as hydraulic motor, reduction gear, gear wheels, and spring-loaded dog. Screw 24 actuated by movement actuator 25 moves support 11. EFFECT: improved design. 2 dwg