Reform RB 900 CNC surface grinding machine

rotary table diameter 900 mm
grinding height 650 mm
grinding head - power requirement 11 kW
Control Siemens 840 D
swing dia. 1100 mm
table turning speeds 1 - 100 U/min
table load 800 kg
Dimensions (LxWxH) 4,7 x 2,5 x 3,2 m
total power requirement 55 kW
weight of the machine ca. 13 t
Universal rotary table grinding machine with movable rotary table and 2
spindles for internal and external cylindrical grinding

Very good condition, operating hours according to counter only 7141 !

- Control Siemens Sinumerik 840 D powerline
- Axis drives Digital AC servo motors
- electron. handwheel
- Electro permanent magnet 900 mm with star pole pitch
- Working height above rotary table max. 650 mm
- Rotatable column by hand ± 180 deg.
- Hydraulic weight compensation
- Coolant device with paper band filter
- Hydrostatic for rotary table with cooler

Spindle no.: 1 - External grinding
- Grinding wheel diameter 400 x 40 (70) x 127 mm
- Motor 11 kW
- Speed 1000 - 2250 rpm

Spindle no.: 2 - Internal grinding
- Spindle diameter 100 x 400 mm
- Speed 10.000 rpm
- Grinding wheel diameter 150 x 32 x 51 mm
- Grinding motor 5.5 kW
- Grinding motor speed 1375 - 6000 rpm.

Table drive
The rotary table is equipped with a large-diameter hydrostatic table bearing.
This ensures maximum accuracy.

Dressing:
1 permanently installed dresser with MK1 holder enables automatic operation
up to a diameter of 1100 mm.

The full enclosure of the machine consists of:
Cover hood attached to the machine bed with two telescoping tunnel hoods
to the left
Swing diameter of the workpiece inside the hood 1300 mm
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