Valcová brúska

GIORIA R 162x4000

Main Technical Specifications

Technical / Dimensional Data
- Max. swing diameter over bed: 900 mm
- Max. grinding diameter (with new wheel): 820 mm
- Max. grinding length: 4000 mm
- Max. static workpiece weight on steadies: 3000 kg
- Max. workpiece weight in chuck: 300 kg
(max. overhang 250 mm from spindle nose)
- External grinding wheel dimensions (Ø × Width × Bore): 915 × 100 × 305 mm
- Circumferential speed of grinding wheel: 45–60 m/s
- Plunge grinding feed roughing: 0.5–50 mm/min
- Plunge grinding feed finishing: 0.001–0.01 mm/min
- Longitudinal grinding feed roughing: 0.01–0.05 mm/min
- Longitudinal grinding feed finishing: 0.001–0.01 mm/min
- Machine length: 9200 mm
- Machine width: 3800 mm
- Machine height: 2630 mm
- Total weight (approx.): 25,800 kg
- Max. noise level with running motors: 80 dB

Workhead (Workpiece Spindle Head)
- Centre angle: 60°
- Tailstock taper: Morse 6
- Spindle interface: ASA 6
- Spindle motor power (S1): 22 kW
- Speed range: 3–250 rpm

Electric Tailstock
- Centre angle: 60°
- Quill taper: Morse 6
- Total quill stroke (stroke + centre ejection): 78 + 15 mm
- Load cell (max. indication value): 10,000 kg
- Quill adjustment motor: 6.1 Nm
- Tailstock body longitudinal travel motor: 0.18 kW

Grinding Wheel Dimensions
- Outside diameter: 915 mm
- Width: 100 mm
- Bore: 305 mm
- Max. wheel width: 130 mm
Gujdpexni Sisfx Agujh
- Min. permissible wheel diameter (worn wheel): 630 mm

Grinding Slide / Feed Axes
- Circumferential speed of grinding wheel: 45–60 m/s
- Max. grinding spindle speed: 2000 rpm
- Grinding spindle drive (brushless, AC): 37 kW
- Cross axis X – servomotor (brushless): 7 Nm
- Cross axis X – rapid traverse manual: 7000 mm/min
- Cross axis X – rapid traverse automatic: 10,000 mm/min
- Cross axis X – travel: 510 mm
- Longitudinal axis Z – servomotor (brushless): 14.7 Nm
- Longitudinal axis Z – rapid traverse manual: 7000 mm/min
- Longitudinal axis Z – rapid traverse automatic: 15,000 mm/min
- Longitudinal axis Z – travel: 4300 mm
- Additional slide Z2 (taper grinding) – servomotor: 7 Nm
- Z2 – rapid traverse manual/automatic: 7000 mm/min
- Z2 – travel: 360 mm
- Swivelling grinding head B-axis: ±7°
- B-axis swivel speed rapid manual: 0.3 mm/rev
- B-axis swivel speed rapid automatic: 0.4 mm/rev
- B-axis drive (brushless, with gearbox): 2.15 Nm

Standard Equipment
- CNC control Siemens Sinumerik 840D, PCU50, Windows XP Pro SP2
- Marposs E82 gap monitoring safety device
- Hydraulic unit for various machine functions
- Hydraulic unit for automatic lubrication
- Oil unit for hydrodynamically mounted grinding spindle
- Hydrodynamic grinding spindle
- Electric tailstock with load cell and digital display of contact force
- 1 grinding wheel flange Ø 305 mm
- 2 dead centres carbide-tipped, Morse 6, with extracting nut
- Balancing arbor for grinding wheel
- Tie rod and holding brackets for machine anchoring
- Modem for remote access and CNC data transfer
- Service tool kit
- Geometric inspection protocol
- Hook for wheel change
- Glass linear scale on X-axis (additional backup encoder)
- Optical rotary encoder for B-axis angular positioning

Optional Equipment (included in delivery)
- Increased centre height 450 mm
- 1 additional grinding wheel flange Ø 305 mm
- Special grinding head for taper grinding in longitudinal grinding mode

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