Thread Grinding machine REISHAUER NRK
The machine had never been in production! Just 72-hour test-production of 200 threads.

Diameter of threads 3- 200 mm
Center distance 700 mm
Threading length 450 mm
Thread pitch 0,3 - 80 mm
Helix angle 25 °
Grinding wheel diam. min/max. 350-275 mm
Wheel width 3,5 - 40 mm
Speed range of workpiece, 18 steps 1 - 48 rpm
Grinding wheel speed 1550-1900 rpm
380V / 50 Hz , 5.5 (7.5) kW
gross weight 3900 kg

Huge set of accessories and grinding wheels.
Dressing device