Among today’s most precise manufacturing tools, Ann Arbor, MI, Wire EDM stands out. Its capability keeps wire EDM at the core of Precision CNC Machining and today’s manufacturing.
Roberson Machine Company leverages advanced wire EDM (Electrical Discharge Machining) to cut burr-free, precise parts—whether complex prototypes or production-grade components. Connect with our team at 573-646-3996 or contact us online to explore the advantages Ann Arbor, MI, Wire EDM brings to your next project.
Article Synopsis
- A quick look at how wire EDM works, why it cuts without contact, and when it outperforms conventional machining.
- Outline of specifications and capabilities—tolerances, tapers, materials, envelopes—so you can evaluate if wire EDM meets your requirements.
- Straightforward examples of real-world applications and industries (aerospace, medical, packaging, energy) and who inside those teams typically owns the work.
- What Roberson Machine Company brings to the table. This includes proven processes, modern equipment, and predictable lead times from prototype through production.
Whether for aerospace prototypes or medical-grade components, wire EDM enables design and production capabilities unmatched by other methods. In the sections below, we’ll break down how it works, where it’s used, and what to expect when you work with Roberson Machine Company.
Table of Contents
- What Is Wire EDM Machining?
- Real-World Applications for Wire EDM and Precision Cutting
- FANUC ROBOCUT α-C400iC: New Wire EDM Technology
- Wire EDM Capabilities & Specs
- Who Uses EDM Wire Cutting
- Materials We Work With for Wire EDM
- Why Roberson Machine Company
Explore our machining capabilities along with customer reviews and success stories, plus insights into Ann Arbor, MI, Wire EDM on the blog and FAQs.
What Is Wire EDM Machining? | [city, MI, Precision CNC Services
As part of our complete CNC machining offering, wire EDM is a unique and highly precise method. Unlike standard machining tools that make contact, wire EDM uses a fine, electrically charged wire to cut conductive metals. Material is removed by controlled sparks along a programmed wire path, achieving exact cuts without mechanical stress on components.
It’s particularly suited for work conventional tools can’t handle: detailed profiles, slim slots, sharp internal corners, and parts in hardened steels, titanium, carbide, or similar alloys. Parts come off the machine precise, burr-free, and ready to move straight into the next step of your build.
Real-World Applications for Ann Arbor, MI, Wire EDM and Precision Cutting
Use wire EDM for jobs where standard machining can’t meet geometry, surface, or tolerance specs—like hard alloys, thin-walled parts, or components sensitive to cutting forces. Wire EDM cuts conductive metals cleanly and burr-free, including titanium, carbide, Inconel, hardened steels, and more.
From prototypes and fixtures to complete production runs, teams across Ann Arbor, MI, rely on wire EDM. Frequent applications include:
- Aerospace: Precision turbine slots, seal details, and tooling inserts that maintain tolerances after heat treating.
- Military & Defense: Hardened alloys and mission assemblies where crisp internal corners and accuracy are vital.
- Automotive: Automotive powertrain tooling, inserts, and prototype parts requiring fine interior tolerances.
- Medical: Biocompatible metal implants, surgical devices, and micro features produced clean and burr-free.
- Packaging: Precision forming dies and durable wear components cut with clean edges and smooth finishes.
- Food & Beverage: Washdown-ready stainless parts, corrosion-resistant and machined without added stress.
- Oil & Energy: Precision sealing surfaces, pump components, and alloy parts for high-pressure, corrosive service.
- Automation & Robotics: Motion-critical housings, fixtures, and components for automation systems with tight interior details.
- Firearm Manufacturing: Precision firearm components including slides, tooling, and internals with consistent accuracy.
- Consumer & Commercial Products: Consumer and commercial parts including branding dies, fixtures, and precision runs.
- OEM & Custom Applications: From R&D one-offs to production runs in exotic or hardened materials—if it’s conductive, we can cut it.
Have a project or a problem? Contact us online or call 573-646-3996 to discuss your Ann Arbor, MI, wire EDM machining needs.

FANUC ROBOCUT α-C400iC: New Wire EDM Technology
Our equipment lineup now includes the FANUC ROBOCUT α-C400iC, delivering higher cutting speeds, accuracy, and thin-wire machining. It achieves efficient auto-threading, long stable runs, and clean surface finishes—suited for complex shapes and tight interior clearances.
| Specification | Value | Notes |
|---|---|---|
| Max Workpiece Size | 730 × 630 × 250 mm (28.74″ × 24.80″ × 9.84″) | Compact footprint with generous load space. |
| Max Workpiece Weight | 500 kg (≈1,100 lbs) | Stable cutting on medium-to-heavy parts. |
| Table Travel (X/Y/Z) | 400 × 300 × 255 mm (15.75″ × 11.81″ × 10.04″) | Precise positioning for complex features. |
| U/V Travel | ±60 mm | Supports advanced taper and offset work. |
| Max Taper | ±30° @ 80 mm (3.15″); option: ±45° @ 40 mm (1.57″) | Handles steep tapers on thicker stock. |
| Wire Diameter | 0.10–0.30 mm (≈0.004″–0.012″); option: 0.05 mm (≈0.002″) | Thin-wire option supports ultra-fine features. |
| Controller | FANUC 31i-WB | Modern control with iHMI interface. |
| Notable Features | AWF3 auto threading, iPulse3 discharge control, AI thermal compensation, Core Stitch | Improves uptime, finish quality, and accuracy on long runs. |
What’s different? The ROBOCUT outperforms earlier specs by offering ≈0.002″ thin-wire capability, taper flexibility (±45° @ 1.57″ with option), and improved unattended consistency with AWF3 and iPulse3. With different work envelope and load specs than previous units, we align the machine with your part size and tolerance goals.
Wire EDM Capabilities & Specs
Across Ann Arbor, MI, our Wire EDM services are suited for jobs from intricate features to heavy-duty workpieces, producing accurate, burr-free results on conductive materials. The section below gives a general breakdown of wire EDMs:
Core Capabilities
| Capability | Spec | Why It Matters |
|---|---|---|
| Max Cutting Height | 16.5″ | Tackle tall parts and deep cavities without multiple setups. |
| Tolerance Maintained | ±0.0003″ | Hit critical features for aerospace, medical, and precision tooling. |
| Max Taper Angle | 45° | Produce complex profiles and reliefs in mold and die work. |
| Wire Diameter Range | .002″–.010″ | Cut ultra-fine details or heavier sections as the job requires. |
| Max Workpiece Weight | 1,800 lbs | Run large industrial components with stable fixturing. |
Work Envelope
| Axis | Travel | Notes |
|---|---|---|
| X / Y / Z | 21.7″ × 14.6″ × 12.2″ | Flexible capacity for varied part sizes and setups. |
Taper Capability by Thickness
| Workpiece Thickness | Typical Max Taper | Use Case |
|---|---|---|
| 12″ | ±10° | Thick tooling plates and heavy die sections. |
| 3.25″ | 30° | Mold components with angled relief features. |
| 1.93″ | 45° | Sharp internal corners and complex taper profiles. |
Looking for more info on a part or material? Contact us or give us a call at 573-646-3996 to discuss Wire EDM in Ann Arbor, MI.
Who Uses EDM Wire Cutting in Ann Arbor, MI?
Wire EDM goes beyond machine shops, serving as a precision method for those who need complex parts produced correctly on the first run. We deliver Wire EDM solutions for:
- Project Managers & Directors: Avoid major overruns with components that arrive as specified and on time, keeping your schedule intact.
- Prototype Engineers: Speed up validation and refinement of designs ahead of full production runs.
- Quality Assurance Teams: Receive dimensionally consistent, burr-free components that meet demanding tolerance requirements.
- Compliance & Regulatory Specialists: Receive parts manufactured to precise specs and prepared for inspection.
- Maintenance & Reliability Engineers: Maintain uptime with accurate, like-for-like replacements for worn or broken components.
If precision is non-negotiable, our Ann Arbor, MI, EDM wire cutting service makes sure you stay on time and within budget.

Materials We Work With for Wire EDM
Wire EDM cuts only electrically conductive materials, which makes it a go-to choice for tough metals and alloys that resist traditional machining. It produces burr-free, accurate results with no added stress or heat damage, even on thin-walled parts, hardened steels, or exotic alloys.
- Aluminum: Light and corrosion-resistant, commonly used in machining housings, brackets, prototypes, and advanced performance parts.
- Stainless Steel: Resistant to corrosion and highly durable, ideal for medical, aerospace, and food-grade machining projects.
- Brass & Copper: Highly machinable and conductive, making them staples for electrical contacts, connectors, terminals, and fluid-handling parts.
- Titanium: Strong, light, and corrosion-resistant, used in aerospace, surgical instruments, and performance-driven parts.
- Tool Steels & Carbides: Known for toughness in cutting hardened steels and carbides, relied on for dies, molds, and precision wear components.
We use several CNC machining processes to hit your specs, and Wire EDM in Ann Arbor, MI, is often central to that approach. In some cases Wire EDM is the sole solution, in others it’s integrated with milling, turning, or related processes for optimal results.
Why Roberson Machine Company for Ann Arbor, MI, Wire EDM Cutting?
Roberson Machine Company has spent more than 20 years serving industries that require exacting levels of precision and accuracy. Through advanced CNC machining and wire EDM technology, we bring technical knowledge, reliable turnaround, attentive service, and extensive value-added services to Ann Arbor, MI, clients.
Our full set of machining capabilities also covers:
- CNC Lathe Machining
- Custom CNC Machining for Part Production
- CNC Machine Automation
- Oil and Gas Precision Machining
- Aerospace Manufacturing
- Automotive Part Manufacturing
- EDM Machining
- High Volume CNC Machining
- Industrial Automation
- Solar Panel Manufacturers
With advanced machining services and full-process guidance, the Roberson Machine Company is the trusted source for surgical-grade wire EDM. Learn more about our team and history, contact us online for a quote, or call 573-646-3996 if you have any questions about Ann Arbor, MI, Wire EDM services and our machining capabilities.

