FANUC ROBODRILL D14MiA5
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
Overview
The FANUC ROBODRILL D14MiA5 is a compact, high-speed vertical machining center from FANUC, the world's largest CNC control and industrial robot manufacturer. The D14MiA5 is the smallest model in the current alpha-DiA5 ROBODRILL lineup, designed for ultra-fast light-duty machining of small parts. With its rapid 54 m/min (2,126 IPM) traverse rates, 0.7-second tool change time, and seamless integration with FANUC robots, the ROBODRILL has become the benchmark for small-part high-speed production cells.
The D14MiA5 features axis travels of 300 mm (11.8 in) in X, 300 mm (11.8 in) in Y, and 330 mm (13 in) in Z. The BT30 spindle delivers up to 10,000 RPM as standard with high-speed options to 24,000 RPM, producing 3.7 kW (5 HP) continuous power. The table size is 500 x 300 mm (19.7 x 11.8 in) with a maximum load of 100 kg (220 lb). The 21-tool turret-style ATC achieves tool-to-tool change in 0.7 seconds, one of the fastest in the industry.
The ROBODRILL's competitive advantage is not raw cutting power but rather its speed and efficiency on small parts. The acceleration rates on all axes are exceptionally fast due to the machine's low moving mass and powerful servo drives. Combined with the Fanuc 31i-B5 control's high-speed processing capability (nano CNC interpolation at 1,000 blocks/second look-ahead), the ROBODRILL excels at short-cycle jobs where non-cutting time dominates total cycle time. Apple reportedly uses thousands of ROBODRILLs for iPhone enclosure machining.
The D14MiA5's trump card is its integration with FANUC's robot ecosystem. The machine is designed from the ground up to pair with FANUC robots for automated part loading, and the entire cell can be configured and programmed through FANUC's unified platform. This makes the ROBODRILL the easiest machine tool to automate in the industry. New D14MiA5 machines typically price in the $60,000-$90,000 range, making them remarkably affordable for their capability. Used units from 2018-2023 appear in the $30,000-$55,000 range.
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 300 mm (11.8 in) |
| Y-Axis Travel | 300 mm (11.8 in) |
| Z-Axis Travel | 330 mm (13 in) |
| Table Size | 500 x 300 mm (19.7 x 11.8 in) |
| Max Workpiece Weight | 100 kg (220 lb) |
| Max Spindle Speed | 10,000 RPM (24,000 RPM optional) |
| Spindle Taper | BT30 |
| Spindle Motor Power | 3.7 kW (5 HP) continuous |
| Tool Capacity | 21 (turret-type ATC) |
| Tool Change Time | 0.7 seconds (tool-to-tool) |
| Rapid Traverse Rate | 54 m/min (2,126 IPM) |
| Positioning Accuracy | ±0.004 mm (±0.00016 in) |
| Repeatability | ±0.002 mm (±0.00008 in) |
| CNC Control | Fanuc 31i-B5 |
| Machine Weight | 2,700 kg (5,952 lb) |
Specifications sourced from emastercam.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 0.7-second tool change and 54 m/min rapids make non-cutting time nearly negligible, dramatically reducing cycle times on multi-tool small parts
- Unmatched FANUC robot integration turns the ROBODRILL into a complete automated cell with minimal programming effort
- Price of $60K-$90K is remarkably affordable for a machine with Fanuc 31i-B5 control and this level of speed performance
- Compact 2,700 kg footprint allows dense floor space utilization; shops commonly run banks of 4-8 ROBODRILLs in the space of 2-3 VMCs
- Proven reliability from FANUC's manufacturing heritage; many ROBODRILLs run 24/7 for years with minimal unplanned downtime
- High-speed spindle options to 24,000 RPM enable efficient machining of aluminum, brass, and engineering plastics at optimal cutting speeds
Limitations
- BT30 spindle severely limits cutting force capability; not suitable for steel roughing or any heavy material removal operations
- 300 x 300 mm travel is very small, restricting the machine to small parts only
- 3.7 kW spindle power is minimal; even moderate cuts in steel can stall the spindle without careful parameter management
- 21-tool capacity may be insufficient for complex parts requiring many different tools per setup
Best For
Frequently Asked Questions
01
New ROBODRILL D14MiA5 machines typically price between $60,000 and $90,000 depending on spindle speed option (10K vs 24K RPM), through-spindle coolant, probing, and other options. A complete robotic cell with a FANUC robot, part storage, and integration typically runs $120,000-$180,000 total. Used D14MiA5 units from 2018-2023 sell in the $30,000-$55,000 range, making them extremely accessible.
02
The D21MiA5 is the larger ROBODRILL with 700 x 400 mm travel (vs 300 x 300 mm on the D14MiA5) and a bigger table. The D21MiA5 handles larger parts and heavier cuts but is correspondingly more expensive and takes up more floor space. The D14MiA5 is the right choice when parts fit within its 300 x 300 mm envelope and maximum speed/density is the priority. Many shops run D14MiA5s for their smallest parts and D21MiA5s for everything else.
03
The ROBODRILL can machine mild steel and even stainless steel, but with significant limitations. The BT30 spindle and 3.7 kW power require conservative cutting parameters: light depths of cut (0.5-2 mm), moderate feed rates, and appropriate tooling. The ROBODRILL is not designed for heavy steel roughing. It performs best on aluminum, brass, engineering plastics, and finish operations on steel. For production steel machining, a BT40 or BT50 VMC is more appropriate.
04
Apple reportedly uses thousands of ROBODRILLs because their manufacturing profile is ideal for the machine: small aluminum parts (phone enclosures), high volumes, need for robotic automation, and emphasis on surface finish quality. The ROBODRILL's fast tool changes, high-speed spindle, seamless robot integration, and compact footprint allow Apple to run massive automated cells with exceptional uptime. The low per-machine cost makes scaling up economical.
05
Speed. The ROBODRILL's 0.7-second tool change, 54 m/min rapids, and fast axis acceleration mean that on small parts with multiple tools, the ROBODRILL can complete parts 30-50% faster than a conventional BT40 VMC despite having less cutting power. This advantage comes from minimizing non-cutting time. For parts where cutting time dominates (large parts, heavy roughing), a conventional VMC is faster. For short-cycle small parts, the ROBODRILL is unbeatable.
06
ROBODRILLs are among the most reliable machine tools available. FANUC builds them in-house using their own servos, motors, controls, and amplifiers, eliminating integration issues between different component suppliers. Many users report 5-10 years of production with no unplanned downtime. The simplicity of the turret-style ATC (no arm mechanism to maintain) contributes to reliability. FANUC's global service network provides fast parts and support when issues do arise.
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