Circular grinding machine – REFORM Rotary Table Grinding Machine - 2 Spdl. RB 900 CNC

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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

Changes and errors in the technical details and information reserved.

Technische Details:
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

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