SCHIESS RF 30 gear hobbing machine

The SCHIESS RF 30 gear hobbing machine is a specialist machine for machining large gear wheels. The machine is designed for machining of gears by processing individual pitches of a gear wheel. The milling machine processes a workpiece with diameter from 60 mm to 3500 mm and a weight of up to 25 t. The spindle of the milling machine rotates at a speed from 6 to 69 rpm.

The SCHIESS RF 30 machine is designed for milling with:
– cylindrical milling cutters in steel / cast iron up to module: 24/30
– disc milling cutters in steel / cast iron up to module: 33/42
– end mills in steel / cast iron up to module: 33/42 50/65

Technical data of the SCHIESS RF 30 milling machine

• largest diameter of the milled workpiece: 3500 mm
• largest diameter of the milled workpiece in the circumferential method and with tooth pitch up to 45 3000 mm
• smallest diameter of the milled part: 60 mm
• largest vertical adjustment of the milling machine slide: 2000 mm
• maximum load of the chuck disc: 25 t
• external diameter of the clamping table of the chucking disc: 1980 mm
• external diameter of the chucking disc 2200 mm
• diameter of indexable worm wheel: approx. 2000 mm
• average pitch worm stroke: 8.Pi
• grip disc opening: 500 mm
• bore depth: approx. 1000 mm
• largest diameter of hobbing cutter: 320 mm
• largest diameter of circular milling cutter: 360 mm
• largest tooth pitch (inclination to wheel axis): 45 degrees
• diameter of the milling spindle in the front bearings: 150 mm
• rotation of the milling spindle: 6-69 rpm.
• rotation of main drive motor: 690-2250 rpm.
• power of main engine: 18 kW
• feed of the milling slide per rotation of the chuck disc, for circumferential milling: 0,16-8
• advance of the milling sieve per rotation of the milling disc, for single pitch milling: -0,16-8
• Feed rate of the milling ram, for worm gear milling, per rotation of the chuck disc: 0,08-4
• rotation of the chuck disc when setting the machine to work: 0,7-1,8 rpm
• motor rotation for quick changeover: 700-2100 rpm.
• motor power for quick changeover: 8 kW
• quick changeover of the milling machine slide: 150-450 mm/min.
• rapid traverse rack: 150-400 mm/min.