Fanuc ROBOCUT α-C200iB

$100,000 - $150,000 Updated 2026-03-17

Key Specifications

X Travel

200 mm (7.87 in)

Y Travel

160 mm (6.30 in)

Z Travel

180 mm (7.09 in)

travel u

±40 mm (±1.57 in)

travel v

±40 mm (±1.57 in)

max workpiece size

460 x 360 x 180 mm (18.1 x 14.2 x 7.09 in)

Overview

The Fanuc ROBOCUT α-C200iB is the compact entry model in Fanuc's current-generation iB ROBOCUT lineup, designed for small toolrooms, medical device manufacturers, and job shops where precision wire EDM capability is needed in the smallest possible footprint. With 200 x 160 mm X/Y travel and Fanuc's Series 31i-WB control with AI Pulse Control, the α-C200iB delivers the same ROBOCUT technology architecture as the larger C400iB and C600iB in a machine that can be installed in space-constrained facilities without the floor loading, rigging, and room considerations of a mid-size machine.

Fanuc's approach to the α-C200iB reflects the company's integrated architecture philosophy: the CNC control, servo drives, spindle, and EDM generator are all Fanuc-designed and manufactured components that communicate through Fanuc's internal bus architecture. This integration provides a level of diagnostic transparency and troubleshooting simplicity that multi-vendor machine architectures cannot match — when a problem occurs, a single Fanuc service call addresses the entire machine rather than requiring separate vendor involvement for control and generator issues. For small shops without dedicated EDM technicians, this support simplicity is a meaningful operational advantage.

The AI Pulse Control system on the α-C200iB provides real-time adaptive discharge management that prevents wire breaks and maintains consistent cut quality during unattended operation. Surface finish capability reaches Ra 0.20 µm with multi-pass skim cutting, and positioning accuracy of ±0.002 mm is appropriate for the precision die and mold work that defines the compact wire EDM market. The AWF2 automatic wire feeding system handles wire threading through standard start holes, enabling unattended production on overnight programs. Wire diameters from 0.10 to 0.30 mm are supported.

The α-C200iB is priced in the $100,000–$150,000 range, making it the most accessible entry into the ROBOCUT lineup. It competes with the Sodick AG35L, GF AgieCharmilles CUT E 350, and Mitsubishi Electric MV1200S in the compact entry-precision wire EDM segment. For shops whose work is predominantly small-format and where the Fanuc ecosystem — familiar control interface, integrated service, established parts availability — is a strategic preference, the α-C200iB is the natural starting point.

Full Specifications

Parameter	Value
X-Axis Travel	200 mm (7.87 in)
Y-Axis Travel	160 mm (6.30 in)
Z-Axis Travel	180 mm (7.09 in)
Travel U	±40 mm (±1.57 in)
Travel V	±40 mm (±1.57 in)
Max Workpiece Size	460 x 360 x 180 mm (18.1 x 14.2 x 7.09 in)
Max Workpiece Weight	150 kg (331 lb)
Wire Diameter Range	0.10 - 0.30 mm
Surface Finish	Ra 0.20 µm (achievable with skim passes)
Cutting Accuracy	±0.002 mm (±0.00008 in)
Max Taper Angle	±15° at 60 mm height
Auto Wire Threading	AWF2 automatic wire threading
CNC Control	Fanuc Series 31i-WB
Ai Pulse	AI Pulse Control (real-time adaptive discharge)
Dielectric	Deionized water
Machine Weight	approx. 1,800 kg (3,968 lb)

Specifications sourced from emastercam.com — verified 2026-03-28

Strengths & Limitations

Strengths

Smallest ROBOCUT footprint enables installation in space-constrained toolrooms and medical manufacturing cells where larger machines cannot be accommodated
Fully integrated Fanuc architecture (CNC, servos, generator) simplifies service, spare parts management, and troubleshooting — a single vendor source for all machine systems
AI Pulse Control provides wire break prevention and adaptive gap management for reliable unattended overnight operation even with entry-level operator programming
AWF2 automatic wire threading supports lights-out production on small, complex parts where manual re-threading would interrupt unmanned shifts
Entry price point of $100,000–$150,000 provides the most accessible path into the ROBOCUT family for small shops with limited capital budgets

Limitations

200 x 160 mm X/Y travel is the most restrictive in the ROBOCUT lineup — shops with work regularly above 180 mm in X must step up to the α-C400iB
±0.002 mm accuracy and Ra 0.20 µm surface finish are appropriate for standard toolroom work but do not match the ±0.001 mm / Ra 0.10 µm specifications of premium-tier machines
180 mm maximum workpiece height is limited — thick die blocks and deep mold components that exceed this height cannot be accommodated without a larger machine

Best For

Small toolrooms and medical device shops cutting small precision components — punch/die inserts, jig bushings, and medical implant details — within a 200 x 160 mm footprint limitation Job shops bringing wire EDM in-house for the first time, choosing the ROBOCUT ecosystem for its service simplicity and Fanuc control familiarity when the shop already operates Fanuc CNC mills and lathes Prototype and R&D workshops cutting one-off components and test fixtures in small format without the space or budget justification for a mid-size machine Jewellery, watchmaking, and micro-precision component manufacturers whose work is inherently small-scale but demands production-grade EDM accuracy and surface finish

Frequently Asked Questions

01 How does the α-C200iB compare to the α-C400iB?

The α-C400iB offers 400 x 300 mm X/Y travel versus the α-C200iB's 200 x 160 mm, accommodating larger workpieces, higher workpiece weight (500 kg vs 150 kg), and more complex programs that cover larger part areas. Both machines use the same Series 31i-WB control and AI Pulse Control architecture. The α-C200iB is smaller, lighter, and approximately $30,000–$60,000 less expensive. Choosing between them is a function of work envelope: if current or planned work includes parts above 180 mm in any dimension, the α-C400iB is the right choice from the start.

02 Is the α-C200iB suitable for carbide cutting?

Yes. Fanuc's AI Pulse Control generator includes parameter tables for cemented tungsten carbide workpieces. Carbide cutting at this machine size — typically small carbide punches, inserts, and gauging tools — is a standard application. The α-C200iB handles carbide with appropriate parameter adjustment: lower discharge energy, reduced cutting speed, and careful dielectric management compared to tool steel cutting. Surface finish on carbide is typically Ra 0.25–0.35 µm with proper skim pass programming.

03 What control does the α-C200iB use, and is it easy to learn?

The α-C200iB uses Fanuc's Series 31i-WB control, the same control platform used across FANUC ROBOCUT models. The EDM programming environment on the 31i-WB is largely menu-driven and includes a conversational programming mode for standard profiles. Shops already familiar with Fanuc CNC controls will find the interface intuitive, as Fanuc maintains consistency across control platforms. New operators with no Fanuc experience typically reach basic programming competency within one to two weeks of hands-on use, supported by Fanuc's training programs.

04 Can the α-C200iB run unattended overnight?

Yes. The AWF2 automatic wire threading system handles wire breaks during cutting by automatically re-threading and resuming. AI Pulse Control reduces the frequency of wire breaks through adaptive discharge management. Together, these capabilities enable overnight unattended operation for programs that stay within the machine's process window. Best practices for lights-out operation include ensuring adequate wire supply on the spool, verifying dielectric quality before starting the unattended run, and programming conservative cutting parameters that prioritize wire break prevention over maximum cutting speed.

05 How long will Fanuc support the 31i-WB control?

Fanuc typically maintains spare parts availability and service support for its control platforms for 15–20 years after production ends. The 31i-WB is a current-generation control and remains in active production use. Parts availability, board repairs, and software support are all fully active as of 2026. Fanuc's track record on long-term support is among the strongest in the machine tool industry, making the ROBOCUT platform a low-risk choice from a total life-cycle support perspective.