FIELD: metal machining; in particular, machines for finish machining of coarse pitch gears, mainly, of hardened ones. SUBSTANCE: gear-manufacturing machine has turning table and column 2 whose slideways accommodate cross-piece 4 carrying slide 6 with left-hand B1 and right-hand B2 tool heads installed for vertical, tangential and radial motions, spindles 14 and 15 of tool heads carry tools 16 and 17 of disk type. Main motion and generating trains are connected with main electric motor of the machine which is provided with screw pair whose screw 19 is installed for rotation in column and kinematically connected with machine main electric motor, and nut 18 is located on cross-piece. Tool-carrying spindles are located for changing angle αp between their axes in horizontal plane. Besides, the machine is provided with means for compensation of deformation occurring in course of machining of gears with large length of tooth, in form of supporting strip secured to column and roller located on cross-piece cantilever part. EFFECT: higher efficiency. 2 cl, 5 dwg
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SU1831978A3 |
