CNC Grinding
BG-S650
by Brenvoss
Surface and profile grinder holding sub-micron flatness on hardened tool steel components.
650 x 300 mm (25.6 x 11.8 in)
Table size
650 x 300 x 500 mm (25.6 x 11.8 x 19.7 in)
X / Y / Z travel
350 x 50 x 127 mm (13.8 x 2.0 x 5.0 in)
Grinding wheel size
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Ideal For
- Tooling departments finishing parts after heat treatment or EDM
- Precision flatness and parallelism work
- Profiled forms on punches and die components
- Shops needing sub-micron finish-grade accuracy
Table size
650 x 300 mm (25.6 x 11.8 in)
X / Y / Z travel
650 x 300 x 500 mm (25.6 x 11.8 x 19.7 in)
Grinding wheel size
350 x 50 x 127 mm (13.8 x 2.0 x 5.0 in)
Wheel spindle speed
1,800 - 3,600 rpm
Key Features
BG-S650 Features
Standard features that set this machine apart in demanding manufacturing environments.
Precision & Performance
- ±0.002 mm positioning accuracy for finish-grade flatness
- Brenvoss Vantis G control shared logic with Brenvoss 5-axis line
Ease of Operation
- Programmable profile and surface grinding cycles
- Automatic wheel dressing cycle
- In-process gauging interface for automatic size control
Built-In Extras
- Coolant filtration system for consistent finish quality
- Magnetic chuck standard for ferrous workholding
Full Specifications
Brenvoss BG-S650 Technical Details
Complete specifications, standard features, and optional upgrades.
- Table size
- 650 x 300 mm (25.6 x 11.8 in)
- X / Y / Z travel
- 650 x 300 x 500 mm (25.6 x 11.8 x 19.7 in)
- Grinding wheel size
- 350 x 50 x 127 mm (13.8 x 2.0 x 5.0 in)
- Wheel spindle speed
- 1,800 - 3,600 rpm
- Wheel spindle power
- 7.5 kW (10 hp)
- Max table load
- 500 kg (1,102 lb)
- Positioning accuracy
- ±0.002 mm (0.00008 in)
- Repeatability
- ±0.001 mm (0.00004 in)
- Control
- Brenvoss Vantis G control
| Table size | 650 x 300 mm (25.6 x 11.8 in) |
| X / Y / Z travel | 650 x 300 x 500 mm (25.6 x 11.8 x 19.7 in) |
| Grinding wheel size | 350 x 50 x 127 mm (13.8 x 2.0 x 5.0 in) |
| Wheel spindle speed | 1,800 - 3,600 rpm |
| Wheel spindle power | 7.5 kW (10 hp) |
| Max table load | 500 kg (1,102 lb) |
| Positioning accuracy | ±0.002 mm (0.00008 in) |
| Repeatability | ±0.001 mm (0.00004 in) |
| Control | Brenvoss Vantis G control |
- Programmable profile and surface grinding cycles
- ±0.002 mm positioning accuracy for finish-grade flatness
- Automatic wheel dressing cycle
- Brenvoss Vantis G control shared logic with Brenvoss 5-axis line
- Magnetic chuck standard for ferrous workholding
- Coolant filtration system for consistent finish quality
- In-process gauging interface for automatic size control
- Automatic wheel balancing system
- Rotary magnetic chuck for round and irregular parts
- In-process gauging package with automatic compensation
- Extended Y-travel for wider profile work
- Post-heat-treatment finish grinding on tool steel
- Precision plate and parallel-block finishing
- Punch and die-component profile grinding
- Fixture and gauge-block finish work
FAQ
BG-S650 Questions
Answers to common questions about the BG-S650.
The BG-S650 positions to ±0.002 mm, and with correctly dressed wheels and stable process parameters, shops routinely hold flatness and parallelism well within a few microns on hardened tool steel.
Yes, an automatic wheel dressing cycle is standard, so wheel geometry stays consistent through a production run without manual dressing between parts.
A magnetic chuck is standard for ferrous parts; a rotary magnetic chuck is available as an option for round or irregular workpieces.
Typically 10-12 weeks build-to-order; we confirm your exact date once your configuration is finalized at quote stage.
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The BG-C400 rounds out the Brenvoss grinding line with cylindrical capability for shafts, pins, rolls and round tooling that need OD finish grinding after hardening. A 400 mm swing, 1,000 mm between centres and an 11 kW wheel spindle cover the bulk of round precision work Tollaston sees from hydraulic cylinder, pump shaft and precision roll manufacturers. The same ±0.002 mm positioning accuracy as the BG-S650 carries over, and both machines share the Brenvoss Vantis G control, so a tooling department running both surface and cylindrical grinding trains its operators once. It's the natural companion to the BG-S650 for shops that need round parts finished to the same standard as their flat and profiled work.