Among today’s most precise manufacturing tools, Greensboro, NC, Wire EDM stands out. Because it achieves contact-free precision, wire EDM remains vital to Precision CNC Machining and 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. Reach out at 573-646-3996 or contact us online to see how Greensboro, NC, Wire EDM can improve speed and quality for your next project.
Article Synopsis
- An overview of how wire EDM works, why it’s a non-contact cutting method, and situations where it beats conventional machining.
- Key specifications and capabilities including tolerances, taper limits, work envelopes, and materials to assess project fit.
- Examples of real-world applications and industries—aerospace, medical, packaging, energy—and the team members who manage these projects.
- An overview of what Roberson Machine Company brings to the table, including modern equipment, established processes, and consistent lead times.
Wire EDM expands design and manufacturing potential, from aerospace prototypes to medical-grade components, in ways other processes cannot. Below, we outline how the process functions, where it’s applied, and what working with Roberson Machine Company looks like.
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
Learn more about our machining capabilities, success stories and reviews, and other information about Greensboro, NC, Wire EDM on our 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’s controlled sparks trace a programmed path, eroding material into accurate cuts with zero mechanical stress on the part.
This makes it ideal for features that are difficult—or impossible—to produce with conventional machining: intricate profiles, fine slots, sharp internal corners, and parts made from hardened steels, carbide, titanium, or other challenging alloys. The process produces clean, accurate cuts that are ready for assembly, finishing, or the next stage of production.
Real-World Applications for Greensboro, NC, Wire EDM and Precision Cutting
Wire EDM is ideal when conventional cutting can’t achieve the needed accuracy, finish, or tolerance, including on hard-to-machine metals, thin walls, or delicate parts. This process machines conductive materials cleanly, producing burr-free parts in titanium, carbide, Inconel, hardened steels, and beyond.
Wire EDM serves Greensboro, NC, teams handling prototypes, fixtures, and production-scale projects. Examples of applications include:
- Aerospace: Precision turbine slots, seal details, and tooling inserts that maintain tolerances after heat treating.
- Military & Defense: Distortion-free cuts in hardened alloys and defense-grade assemblies with sharp internal geometry.
- Automotive: Complex powertrain tooling, mold inserts, and prototype parts with fine internal clearances.
- Medical: Medical instruments, implants, and fine features in biocompatible metals delivered burr-free.
- Packaging: Cleanly cut forming dies and wear pieces with smooth finishes that reduce downstream finishing.
- Food & Beverage: Durable stainless components for food-grade washdown, cut cleanly and stress-free.
- Oil & Energy: Pump components, sealing details, and alloy parts machined for corrosive, high-pressure use.
- Automation & Robotics: Fixtures, housings, and motion-critical parts with tight internal features.
- Firearm Manufacturing: Firearm slides, tooling, and internal pieces requiring accurate, burr-free machining.
- Consumer & Commercial Products: Fixtures, branding dies, and precision parts produced for consumer and commercial needs.
- OEM & Custom Applications: Whether it’s an R&D part or production in exotic alloys, if it’s conductive, wire EDM cuts it.
Need help with a project or part? Contact us online or call 573-646-3996 to review your Greensboro, NC, wire EDM machining needs.

FANUC ROBOCUT α-C400iC: New Wire EDM Technology
We’ve added a new FANUC ROBOCUT α-C400iC to expand cutting speed, precision, and thin-wire capability. With quick auto-threading, steady long-duration operation, and excellent surface finish, it excels at producing intricate features and precise internal gaps.
| 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. Since the work envelope and load capacity aren’t the same as legacy units, we assign the proper machine for your part dimensions and tolerance demands.
Wire EDM Capabilities & Specs
With Wire EDM solutions available in Greensboro, NC, we handle parts ranging from micro-scale details to large workpieces, providing burr-free edges and reliable precision 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. |
Need details on a part or material? Contact us or call 573-646-3996 to learn more about Wire EDM in Greensboro, NC.
Who Uses EDM Wire Cutting in Greensboro, NC?
Wire EDM does more than serve machine shops—it’s the precision process for anyone who can’t afford mistakes when making complex parts. We deliver Wire EDM solutions for:
- Project Managers & Directors: Stay on schedule by getting parts delivered on time and built to spec, preventing expensive setbacks.
- Prototype Engineers: Confirm and improve prototypes fast, then transition smoothly to production.
- Quality Assurance Teams: Access precision parts that hold consistent dimensions and meet exacting tolerance specs.
- Compliance & Regulatory Specialists: Count on components produced to exact standards and ready for audits.
- Maintenance & Reliability Engineers: Replace worn or damaged components with precise, like-for-like replacements that minimize downtime.
When projects hinge on precision, our Greensboro, NC, EDM wire cutting expertise ensures deadlines and budgets are met.

Materials We Work With for Wire EDM
Wire EDM applies exclusively to electrically conductive materials, which covers metals and alloys that push past the limits of traditional cutting. It achieves smooth, burr-free results free of thermal or mechanical stress, on everything from hardened steels and thin-walled sections to exotic alloys.
- Aluminum: Light and corrosion-resistant, commonly used in machining housings, brackets, prototypes, and advanced performance parts.
- Stainless Steel: Strong, corrosion-resistant, and relied on for medical equipment, aerospace hardware, and food-safe parts.
- Brass & Copper: Valued for conductivity and machinability, common in contacts, connectors, and fluid-handling systems.
- Titanium: Known for its strength-to-weight ratio and corrosion resistance, perfect for aerospace, medical, and high-performance components.
- Tool Steels & Carbides: Durable and capable of machining hardened steels and carbide, widely used for molds, dies, and industrial wear parts.
Among the range of CNC machining processes we offer, Wire EDM in Greensboro, NC, stands out as a key method for meeting exact specifications. There are jobs where Wire EDM is the only option, and others where it works in tandem with milling, turning, or additional precision methods.
Why Roberson Machine Company for Greensboro, NC, Wire EDM Cutting?
For decades, Roberson Machine Company has specialized in delivering precision manufacturing solutions where accuracy is critical. Through advanced CNC machining and wire EDM technology, we bring technical knowledge, reliable turnaround, attentive service, and extensive value-added services to Greensboro, NC, clients.
Other machining capabilities:
- 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
Backed by advanced machining and expert support from start to finish, the Roberson Machine Company delivers surgical-grade wire EDM solutions. Check out our team and company background, connect with us online, or call 573-646-3996 for answers about Greensboro, NC, Wire EDM services.

