Among today’s most precise manufacturing tools, Spartanburg, SC, Wire EDM stands out. Its capability keeps wire EDM at the core of Precision CNC Machining and today’s manufacturing.
At Roberson Machine Company, we use advanced wire EDM (Electrical Discharge Machining) technology to deliver burr-free, repeatable results for everything from intricate prototypes to production-critical components. Give our team a call at 573-646-3996 or contact us online to learn more about how Spartanburg, SC, Wire EDM can accelerate and enhance your next project’s success.
Article Synopsis
- A summary of how wire EDM works, why the process doesn’t require physical contact, and where it delivers better results than conventional methods.
- Details on specifications and capabilities such as tolerances, taper angles, work size, and material types, showing if wire EDM is a match.
- Straightforward examples of real-world applications and industries (aerospace, medical, packaging, energy) and who inside those teams typically owns 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. We’ll detail in the next sections how wire EDM works, where it applies, and what to expect when you choose 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
Find details on our machining services, reviews and success stories, and more about Spartanburg, SC, Wire EDM in the blog and FAQs.
What Is Wire EDM Machining? | [city, SC, Precision CNC Services
Wire EDM is one of the specialized services included in our broader CNC machining capabilities. Where traditional tools touch the part, wire EDM cuts conductive materials using a fine, electrically energized wire. Controlled sparks from the wire erode material along a programmed path, leaving highly accurate cuts without mechanical stress.
This process is perfect for geometries and materials beyond conventional machining: intricate profiles, fine slots, tight internal corners, and hardened or exotic alloys like titanium and carbide. Each cut is delivered precise, burr-free, and prepared for the next step in your build.
Real-World Applications for Spartanburg, SC, 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. Wire EDM provides burr-free cutting across conductive materials, from titanium and carbide to Inconel, hardened steels, and others.
From prototypes and fixtures to complete production runs, teams across Spartanburg, SC, rely on wire EDM. Standard applications include:
- Aerospace: Complex turbine slots, sealing features, and precision tooling inserts that stay accurate through heat treat.
- Military & Defense: Hardened alloy components and mission-critical assemblies that need distortion-free cuts and crisp internal corners.
- Automotive: Powertrain tooling, prototype parts, and mold inserts produced with precision internal clearances.
- Medical: Surgical tools, implant parts, and micro features machined burr-free in biocompatible alloys.
- Packaging: Wear parts and forming dies with crisp edges and fine finishes to minimize rework.
- Food & Beverage: Washdown-ready stainless parts, corrosion-resistant and machined without added stress.
- Oil & Energy: Sealing surfaces, pump parts, and alloy components built for high-pressure, corrosive conditions.
- Automation & Robotics: Precision fixtures, housings, and motion assemblies designed with close internal clearances.
- Firearm Manufacturing: Internal parts, slides, and firearm tooling cut to deliver repeatable precision and crisp edges.
- Consumer & Commercial Products: Custom fixtures, precision parts, and branding dies for commercial and consumer products.
- OEM & Custom Applications: From R&D one-offs to production runs in exotic or hardened materials—if it’s conductive, we can cut it.
Whether it’s a project or a machining challenge, contact us online or call 573-646-3996 to discuss your Spartanburg, SC, wire EDM machining requirements.

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. 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 improves on legacy specs with thin-wire capability to about 0.002″, enhanced taper options (±45° @ 1.57″ with option), and more reliable unattended cutting using 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
Our Spartanburg, SC, Wire EDM services handle everything from micro features to large, heavy workpieces, delivering clean edges and repeatable accuracy on conductive materials. See the breakdown below for more on 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 Spartanburg, SC.
Who Uses EDM Wire Cutting in Spartanburg, SC?
More than a tool for machine shops, Wire EDM is a precision option for professionals who demand complex parts be right from the start. These services are the right match for:
- Project Managers & Directors: Keep production moving with parts delivered on spec and on schedule, minimizing budget-wasting delays.
- Prototype Engineers: Quickly validate and refine designs before moving into large-scale production.
- Quality Assurance Teams: Receive dimensionally consistent, burr-free components that meet demanding tolerance requirements.
- Compliance & Regulatory Specialists: Obtain parts that meet strict specifications and pass inspection with confidence.
- Maintenance & Reliability Engineers: Use precise replacement parts to quickly recover from wear or damage and keep systems running.
When projects hinge on precision, our Spartanburg, SC, 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: Corrosion-resistant and lightweight, frequently machined into housings, brackets, prototypes, and precision parts.
- Stainless Steel: Strong, corrosion-resistant, and relied on for medical equipment, aerospace hardware, and food-safe parts.
- Brass & Copper: Conductive and easy to machine, widely applied in electrical connectors, contacts, and fluid-transfer components.
- 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 Spartanburg, SC, is part of the broader set of CNC machining processes we rely on to meet precise project requirements. 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 Spartanburg, SC, Wire EDM Cutting?
Roberson Machine Company has spent more than 20 years serving industries that require exacting levels of precision and accuracy. With state-of-the-art CNC capabilities and dedicated wire EDM machinery, we provide expertise, dependable scheduling, responsive communication, and complete value-added services to Spartanburg, SC, industries.
Our shop offers a range of 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. Discover details about our history and team, get a quote online, or call 573-646-3996 with questions regarding Spartanburg, SC, Wire EDM services and machining capabilities.

