Among today’s most precise manufacturing tools, Wilmington, NC, Wire EDM stands out. That’s why wire EDM is central to Precision CNC Machining and advanced manufacturing.
Roberson Machine Company applies advanced wire EDM (Electrical Discharge Machining) systems to achieve burr-free, consistent outcomes across projects from detailed prototypes to mission-critical production parts. Connect with our team at 573-646-3996 or contact us online to explore the advantages Wilmington, NC, Wire EDM brings to your next project.
Article Synopsis
- A concise breakdown of how wire EDM works, its contact-free cutting process, and the cases where it’s superior to traditional machining.
- Specifications and capabilities (tolerances, taper angles, work envelopes, materials, etc.) to see if wire EDM cutting matches your project’s strict requirements.
- Simple examples of real-world applications and industries (aerospace, medical, packaging, energy) with notes on who oversees the work.
- Explaining what Roberson Machine Company brings to the table, with proven workflows, advanced equipment, and dependable turnaround times.
Wire EDM expands design and manufacturing potential, from aerospace prototypes to medical-grade components, in ways other processes cannot. The following sections cover how wire EDM operates, its uses, and what you can expect partnering 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 Wilmington, NC, Wire EDM on the blog and FAQs.
What Is Wire EDM Machining? | [city, NC, Precision CNC Services
As part of our complete CNC machining offering, wire EDM is a unique and highly precise method. Instead of using a cutting tool that physically contacts the workpiece, wire EDM shapes conductive metals with a thin, electrically charged wire. The wire produces controlled sparks that erode material along a programmed path, creating extremely accurate cuts with no mechanical stress on the part or component.
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. The process produces clean, accurate cuts that are ready for assembly, finishing, or the next stage of production.
Real-World Applications for Wilmington, NC, Wire EDM and Precision Cutting
For geometry, finish, or tolerance requirements that exceed conventional tooling—particularly on tough alloys, thin-walled features, or stress-sensitive parts—wire EDM is the answer. Wire EDM cuts conductive metals cleanly and burr-free, including titanium, carbide, Inconel, hardened steels, and more.
Wire EDM in Wilmington, NC, supports prototypes, tooling fixtures, and full-scale production jobs. Frequent applications include:
- Aerospace: Turbine slots, seals, and tooling inserts cut to tight tolerance even after heat treatment.
- 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: Burr-free machining for surgical tools, implant parts, and micro features in medical-grade alloys.
- Packaging: Sharp-edged forming dies and smooth wear parts designed to limit secondary finishing.
- Food & Beverage: Corrosion-resistant stainless components for washdown environments, cut without mechanical stress.
- Oil & Energy: Precision sealing surfaces, pump components, and alloy parts for high-pressure, corrosive service.
- Automation & Robotics: Fixtures, housings, and robotic components machined with fine internal accuracy.
- Firearm Manufacturing: Internal parts, slides, and firearm tooling cut to deliver repeatable precision and crisp edges.
- Consumer & Commercial Products: Fixtures, branding dies, and precision parts produced for consumer and commercial needs.
- OEM & Custom Applications: R&D prototypes to production in exotic or hardened materials—if it conducts, wire EDM handles it.
Working on a project or facing a challenge? Contact us online or reach us at 573-646-3996 to go over your Wilmington, NC, wire EDM machining needs.

FANUC ROBOCUT α-C400iC: New Wire EDM Technology
We’ve added the FANUC ROBOCUT α-C400iC to increase precision, speed, and thin-wire cutting capability. It delivers fast auto-threading, stable long runs, and excellent surface finishes—ideal for complex features and tight internal 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? Unlike older specs, the ROBOCUT supports thin-wire use down to ≈0.002″, offers taper options up to ±45° @ 1.57″ (with option), and runs faster, steadier unattended cycles 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
For customers in Wilmington, NC, our Wire EDM capabilities cover projects from delicate micro features to heavy workpieces, producing clean edges and consistent accuracy on conductive materials. You’ll find a general breakdown of wire EDMs below:
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. |
Got questions about parts or materials? Contact us or call 573-646-3996 today for information on Wire EDM in Wilmington, NC.
Who Uses EDM Wire Cutting in Wilmington, NC?
Wire EDM isn’t just for machine shops—it’s a precision solution for anyone responsible for getting complex parts made right the first time. We deliver Wire EDM solutions for:
- Project Managers & Directors: Keep schedules on track with parts that arrive on time and to spec, avoiding costly delays.
- Prototype Engineers: Speed up validation and refinement of designs ahead of full production runs.
- Quality Assurance Teams: Count on burr-free, uniform components that align with tough dimensional requirements.
- Compliance & Regulatory Specialists: Rely on parts built with precision to satisfy compliance and audit standards.
- Maintenance & Reliability Engineers: Obtain precision-matched replacements for failed parts, keeping downtime to a minimum.
When projects hinge on precision, our Wilmington, NC, EDM wire cutting expertise ensures deadlines and budgets are met.

Materials We Work With for Wire EDM
Because Wire EDM works solely with electrically conductive materials, it excels at cutting metals and alloys beyond the reach of standard machining. It leaves parts burr-free and distortion-free, handling hardened steels, delicate thin walls, and even exotic alloys.
- Aluminum: Machinable, corrosion-resistant, and light, used extensively for housings, brackets, prototypes, and high-performance applications.
- Stainless Steel: Resistant to corrosion and highly durable, ideal for medical, aerospace, and food-grade machining projects.
- Brass & Copper: Used extensively in electrical and fluid applications thanks to their conductivity and ease of machining.
- Titanium: Known for its strength-to-weight ratio and corrosion resistance, perfect for aerospace, medical, and high-performance components.
- Tool Steels & Carbides: Tough enough to cut hardened steels and tungsten carbide, essential for dies, molds, punches, and other wear parts.
Wire EDM in Wilmington, NC, is part of the broader set of CNC machining processes we rely on to meet precise project requirements. Some jobs call for it exclusively, while others combine it with milling, turning, or other precision methods for the best results that make the most sense depending on the project.
Why Roberson Machine Company for Wilmington, NC, Wire EDM Cutting?
For decades, Roberson Machine Company has specialized in delivering precision manufacturing solutions where accuracy is critical. From our modern CNC shop to our dedicated wire EDM equipment, we combine technical expertise with dependable lead times, responsive service, and a full range of value-added services to Wilmington, NC, customers.
We also provide additional machining capabilities:
- Precision Stainless Steel Machining
- 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
With advanced machining services and full-process guidance, the Roberson Machine Company is the trusted source for surgical-grade wire EDM. Discover details about our history and team, get a quote online, or call 573-646-3996 with questions regarding Wilmington, NC, Wire EDM services and machining capabilities.

