Machine Comparison
FANUC ROBODRILL D14MiA5 vs Fanuc Robodrill D21MiB5 Advance
FANUC vs Fanuc · Vertical Machining Centers
Summary
The FANUC ROBODRILL D14MiA5 and Fanuc Robodrill D21MiB5 Advance are both from FANUC's vertical machining centers lineup, making this a common upgrade or lineup decision for shops already invested in the FANUC ecosystem. The Fanuc Robodrill D21MiB5 Advance leads in x travel (500 mm (19.7 in) vs 300 mm (11.8 in)). The Fanuc Robodrill D21MiB5 Advance leads in spindle power (14.2 kW (19 hp) peak @ 10K RPM; 26.0 kW (35 hp) peak @ 24K RPM vs 3.7 kW (5 HP) continuous). The Fanuc Robodrill D21MiB5 Advance shows specification advantages in 4 categories, though the FANUC ROBODRILL D14MiA5 may still be the better choice depending on your shop's specific needs and the type of work you run. Both machines are proven performers in production environments and represent solid investments for shops in the market for a vertical machining center.
Specifications Comparison
| Specification | FANUC ROBODRILL D14MiA5 | Fanuc Robodrill D21MiB5 Advance |
|---|---|---|
| X-Axis Travel | 300 mm (11.8 in) | 500 mm (19.7 in) ▲ |
| Y-Axis Travel | 300 mm (11.8 in) | 400 mm (15.7 in) ▲ |
| Z-Axis Travel | 330 mm (13 in) | 330 mm (13 in) |
| Max Spindle Speed | 10,000 RPM (24,000 RPM optional) | 10,000 RPM (24,000 RPM optional) |
| Spindle Power | 3.7 kW (5 HP) continuous | 14.2 kW (19 hp) peak @ 10K RPM; 26.0 kW (35 hp) peak @ 24K RPM ▲ |
| Tool Capacity | 21 (turret-type ATC) | 21 turret |
| Rapid Traverse | 54 m/min (2,126 IPM) | 54 m/min (2,125 ipm) |
| Table Size | 500 x 300 mm (19.7 x 11.8 in) | 650 x 400 mm (25.6 x 15.7 in) ▲ |
| Accuracy | ±0.004 mm (±0.00016 in) | ±0.003 mm (±0.00012 in) |
| Repeatability | ±0.002 mm (±0.00008 in) | ±0.002 mm (±0.00008 in) |
| Control | Fanuc 31i-B5 | Fanuc 31i-B5 |
| Spindle Taper | BT30 | BT30 / BBT30 |
| Price Range | $60,000 - $90,000 ▲ | $80,000 - $130,000 |
Advantages
FANUC ROBODRILL D14MiA5
- More competitive pricing at $60,000 - $90,000 compared to $80,000 - $130,000
- Backed by FANUC's dealer and service network for parts and support
- Consumer electronics manufacturers producing aluminum enclosures, frames, and housings at high volumes with robotic automation
Fanuc Robodrill D21MiB5 Advance
- Greater x travel of 500 mm (19.7 in) accommodates larger workpieces
- Greater y travel of 400 mm (15.7 in) accommodates larger workpieces
- More spindle power at 14.2 kW (19 hp) peak @ 10K RPM; 26.0 kW (35 hp) peak @ 24K RPM for aggressive material removal in harder materials
- Superior table size at 650 x 400 mm (25.6 x 15.7 in) vs 500 x 300 mm (19.7 x 11.8 in)
Verdict
The Fanuc Robodrill D21MiB5 Advance edges ahead on specifications in this comparison, particularly in X Travel and Y Travel. However, the FANUC ROBODRILL D14MiA5 remains competitive and may be the better choice depending on price, dealer support in your area, or specific workholding and tooling considerations. Both are capable machines — the best decision comes from running your actual parts and evaluating total cost of ownership including tooling, training, and service.