FANUC ROBOCUT C400iB
Key Specifications
X Travel
Y Travel
Z Travel
travel u
travel v
max workpiece size
How much does the FANUC ROBOCUT C400iB cost?
Estimated price range
Our best estimate for a wire edm in this class — not a quote from FANUC. Configuration moves it a long way.
Overview
The FANUC ROBOCUT C400iB is a wire EDM with listed travels of 400 mm (15.75 in) in X, 300 mm (11.81 in) in Y and 255 mm (10.04 in) in Z. It takes a workpiece up to 730 x 550 x 255 mm (28.7 x 21.7 x 10 in) and 500 kg (1,102 lb). The model is absent from FANUC's current pages, so the listed figures are best used to size up a used machine and then checked against that machine's own paperwork.
Precision is the headline of the listing. Cutting accuracy is given as ±0.002 mm (±0.00008 in) and surface finish as Ra 0.15 µm, the latter achievable with skim passes, so both describe a multi-pass job rather than one rough cut. Wire from 0.1 to 0.3 mm is accepted: the thin end for small inside radii, the thick end for roughing tall sections.
Taper cutting reaches ±30° at 80 mm height, with 80 mm (3.15 in) of travel on each of U and V. On thicker work the same U and V travel gives a smaller angle, so judge tall tapered jobs one by one. The wire threads automatically and recovers from a broken wire, the control is the FANUC Series 31i-WB with real-time adaptive discharge control, and the dielectric is deionized water. The machine weighs 3,200 kg (7,055 lb).
Full Specifications
| Parameter | Value |
|---|---|
| X-Axis Travel | 400 mm (15.75 in) |
| Y-Axis Travel | 300 mm (11.81 in) |
| Z-Axis Travel | 255 mm (10.04 in) |
| Travel U | 80 mm (3.15 in) |
| Travel V | 80 mm (3.15 in) |
| Max Workpiece Size | 730 x 550 x 255 mm (28.7 x 21.7 x 10 in) |
| Max Workpiece Weight | 500 kg (1,102 lb) |
| Wire Diameter Range | 0.1 - 0.3 mm |
| Surface Finish | Ra 0.15 µm (achievable with skim passes) |
| Cutting Accuracy | ±0.002 mm (±0.00008 in) |
| Max Taper Angle | ±30° at 80 mm height |
| Auto Wire Threading | Yes (AWT with broken-wire recovery) |
| CNC Control | FANUC Series 31i-WB |
| Ai Pulse | Yes (real-time adaptive discharge control) |
| Dielectric | Deionized water |
| Machine Weight | 3,200 kg (7,055 lb) |
Specifications compiled from manufacturer literature and industry references. Not independently verified against a published spec sheet — confirm with the manufacturer or an authorised dealer before making a purchasing decision.
Strengths & Limitations
Strengths
- Listed cutting accuracy of ±0.002 mm (±0.00008 in)
- Surface finish of Ra 0.15 µm is achievable with skim passes
- Steep taper capability: ±30° at 80 mm height
- Automatic wire threading with broken-wire recovery, plus real-time adaptive discharge control on the FANUC Series 31i-WB
Limitations
- The ±30° taper applies at 80 mm height; with 80 mm (3.15 in) of U and V travel the angle shrinks on taller work
- Z travel of 255 mm (10.04 in) caps the section height
- Workpieces over 500 kg (1,102 lb) are outside the listed limit
- Absent from FANUC's current pages, so the listed figures need confirming on the individual machine
Best For
Frequently Asked Questions
01
Cutting accuracy is listed as ±0.002 mm (±0.00008 in) and surface finish as Ra 0.15 µm, achievable with skim passes. Neither figure is tied to a material or thickness in the table, so on a used machine ask for a test cut on your own part.
02
Up to 730 x 550 x 255 mm (28.7 x 21.7 x 10 in) and 500 kg (1,102 lb). Travels are 400 mm (15.75 in) in X, 300 mm (11.81 in) in Y and 255 mm (10.04 in) in Z, so the wire reaches a smaller area than the largest plate the tank holds.
03
±30° at 80 mm height. U and V each travel 80 mm (3.15 in), and that travel is what tilts the wire, so the available angle is smaller on sections taller than 80 mm.
04
Yes. The table lists automatic wire threading with broken-wire recovery, so a wire break does not need an operator to restart the cut. Wire from 0.1 to 0.3 mm in diameter is accepted and the dielectric is deionized water.
Community Discussions
Links to community discussions. Summaries are editorial — visit the original thread for full context.
Comparisons
More from FANUC
Fanuc ROBOCUT α-C600iB Pro
FANUC RoboCut C600iC
