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GROB
4-axis universal machining centre GROB G640
High-performance horizontal 4-axis machine for workpieces of up to Ø 1,300 × 1,300 mm, with spindles of up to 1,666 Nm and an optional work-area extension.
Ref. Grob G640
- Travels X/Y/Z
- 1,050 · 800 · 1,050 mm
- Spindle
- 16,000 rpm HSK-A63 · 206 Nm
- Pallet · max. workpiece
- Pallet 630 × 630 mm · workpiece Ø 1,050
- Tools
- 50 (up to 476)
- Weight
- 23,500 kg
- CNC control
SIEMENS SINUMERIK ONE
We reply within 24 working hours.
Technical data
Select a section to see the details:
| Speed | Taper | Power (100 % / 40 % DC) | Torque (100 % / 40 % DC) | Availability |
|---|---|---|---|---|
| 16,000 rpm Most common | HSK-A63 | 25 / 32 kW | 159 / 206 Nm | Optional |
| 12,000 rpm | HSK-A63 | 40 / 52 kW | 63.7 / 82.8 Nm | Standard |
| 30,000 rpm | HSK-A63 | 40 / 53 kW | 48 / 63 Nm | Optional |
| 10,000 rpm | HSK-A100 | 20 / 26 kW | 262 / 340 Nm | Optional |
| 13,000 rpm | HSK-A100 | 64 / 75 kW | 226 / 265 Nm | Optional |
| 8,000 rpm | HSK-A100 / SK50 | 52 / 66 kW | 699 / 900 Nm | Optional (only with work-area extension) |
| 9,000 rpm | HSK-A100 / SK50 | 54 / 65 kW | 470 / 575 Nm | Optional |
| 8,000 rpm | HSK-A100 | 80 / 100 kW | 1,107 / 1,404 Nm | Optional (only with work-area extension) |
| 7,200 rpm | HSK-A100 | 80 / 100 kW | 1,273 / 1,666 Nm | Optional |
Interference envelope depending on axis position and table type: check that your part fits before requesting a quotation.
| Standard | Ø 1,050 × 1,300 mm |
|---|---|
| Option | Ø 1,250 / Ø 1,300 (with flattening) × 1,300 mm (R1,125) |
| Single disc (pick-up) | 50 HSK-A63 |
|---|---|
| Compact double disc | 117 HSK-A63 / 57 HSK-A100 |
| Compact triple disc | 177 HSK-A63 / 87 HSK-A100 |
| Four discs | 237 HSK-A63 / 117 HSK-A100 |
| Six discs | 172 HSK-A100 |
| Tower magazine | 238 / 476 HSK-A100 or SK50 |
| Magazine | Expandable 'Plug & Play' after delivery; max. length 500 mm (530-830 mm on the first disc) |
| B axis (rotary) | rotary table with torque motor (standard) |
|---|---|
| Rapid traverse X/Y/Z (m/min) | X/Y/Z 70 / 60 / 60 (80 / 70 / 70 dynamic); with extension 60 / 60 / 60 (70 / 70 / 70) |
| Acceleration X/Y/Z (m/s²) | 6 / 6.5 / 6 (6.5 / 8 / 8.2 dynamic) |
| Positioning accuracy | 0.006 mm; repeatability < 0.003 mm |
| Chip-to-chip time (s) | 3.6 / 3.2 (3.9 / 3.5 with extension) |
| CNC control | SIEMENS SINUMERIK ONE (only control listed) · GROB4Pilot panel |
| With compact magazine | 3,890 × 6,900 (7,900 total) × 3,200 mm (width × length × height) |
| With large magazine | 4,470 × 6,900 (8,200 total) × 3,200 mm |
Weight with pallet changer (standard) and without tool magazine.
Data from the manufacturer's catalogue; the final configuration is confirmed in the quotation.
Automation options
Ready to be automated from day one or whenever you need it: more spindle hours without an operator and a lower cost per part.
PalletsRotary or tower pallet magazine (PSS-R / PSS-T)Compact cell for unattended production over entire shifts, even with small batches.
✓ PSS-R1800
PalletsPSS-L linear pallet magazineModular, expandable system: it grows with your production and can link up to 5 machines.
✓ PSS-L1800 / PSS-L2700
ToolsAdditional TM tool magazineMore tools available to produce more part numbers without changing tools by hand.
✓ up to 476 tools
All cells are managed with GROB4Automation software (order planning, ERP/MES connection and mobile alerts). Compatibility is based on the GROB Automation catalogue 04/2025; please confirm the configuration with Ferrotall.
Ferrotall service
- Installation and training Commissioning in your workshop and operator training by our technical team.
- In-house technical service Service team with specialist technicians and spare parts to keep your machine producing.
- Application advice We help you choose the machine and equipment to suit your parts and production.
- More than 45 years Machine tool distributor based in Monforte del Cid (Alicante).
Request a quotation
4-axis universal machining centre GROB G640 · Ref. Grob G640