This machine is used to grind various cylindrical worms (ZA, ZN, ZI, ZK, ZC1), and also can be used to grind trapezoidal screws。
【NC system configuration】
1、SIEMENS 828D system, controlling 5 NC axes, 3 of which is in a gang
2、Axis Z: table longitudinal traverse
(With grating scale) full close-looped
Axis X: wheelhead cross feed
(With grating scale) full close-looped
Axis C: rotation of work spindle
(With angular encoder) full close-looped
Axis V: vertical feed of dresser slider
Axis W: horizontal feed of dresser slider
【Working accuracy】
Cylindrical worms:
when thread start=1-2, the accuracy is up to grade 5;
when thread start≥3, the accuracy is up to grade 6。
Trapezoidal screws: The accuracy is up to grade 6
【Technical characteristics】
1、Wheel dressing is done by two diamond discs moving simultaneously
2、The wheel spindle is driven by an AC servo motor, and the speed can be regulated steplessly
3、The adjustment of helix angle is done and locked manually
4、An AC servo motor drives directly the two diamond discs, ensuing a constant speed and low vibration。
5、A dynamic balancing system and an in-line automatic aligning device are available as optional accessories for users to choose
6、A full-closed housing and an oil-mist extractor are provided with the machine to purify working environment