To be retrofitted DANOBAT R3-3000-S5 Cylindrical external / internal grinding machine Verified seller

Description

TECHNICAL DATA SHEET

Universal cylindrical grinding machine for heavy components

Make DANOBAT
type R3-4000-S5
year of construction | retrofit 2001 | 2023
Control SINUMERIK 840 D

Working range
Centre distance max. 4,000 mm
Workpiece Ø max. 850 mm
Centre height 525 mm
Workpiece weight max. between centres with steady rests 5,000 kg

Feed drives, travels
Feed rate Z-axis 0.01 - 6,000 mm/min
Feed speed X-axis 0.01 - 6,000 mm/min
Z-axis travel (table) 4,500 mm
Travel X-axis (grinding spindle) 650 mm


Grinding wheel
Max. Dimension Ø1,060x60x304.8 mm
Grinding wheel speed 1,100 min-1
Peripheral speed 45 m/sec
Power 22 kW 52 kW (60% ED)


Tailstock
Centre taper MK 6
Spindle sleeve travel 100 mm
quill-Ø 115 mm

Workpiece spindle
Centre cone MK 6
Speed range workpiece 10 - 120 min-1
Torque drive motor 41,5 Nm

Dimensions, weight
Space requirement l x w x h 13.1 x 6.3 x 2.9 m
Weight 25,500 kg


Equipment / accessories
CNC cylindrical grinding machine in most stable design for heavy components

Extensive geometric overhaul:
- guideways of X- and Z-axis reground, intermediate table and upper table reground
- Centre height of headstock and tailstock readjusted
- Machine checked from scratch and rebuilt
- Wiring in the machine renewed
- Hydraulic hoses and lines renewed
- Ball screws of X- and Z-axis renewed
- New bellows
- Wear parts replaced
- New machine painting in two-layer structure with oil-resistant and abrasion-proof two-component paints, colour RAL 7035 light grey and RAL 5007 brilliant blue
- CNC control SINUMERIK 840 D
- Automatic grinding wheel balancing
- 2 grinding wheels Ø 1.000 x 60 x 304,8 mm
- 2 pcs. support bearing
- 1 pc. face driver + 1 pc. travelling tailstock center
- Coolant system with belt filter
- Full enclosure of the working area with 2 large sliding doors
- Extraction for emulsion mist