3D Milling & Surface Profiling
Precision Machining for Complex Geometries
At Excell, our 3D milling capabilities allow us to machine complex surfaces, organic curves, and multi-axis contours with precision and repeatability. Whether you need intricate prototypes, mold components, or high-tolerance production parts, our CNC equipment and experienced team deliver consistent results—even on challenging materials.
We use advanced CAM programming, high-speed spindles, and multi-axis machining strategies to translate your digital models into highly accurate, fully machined parts.
Capabilities at a Glance
Equipment:
- High-speed VMCs with up to 60,000 RPM spindle speeds
 - 4th-axis rotary tables for simultaneous or indexed milling
 - Work envelope up to 26″ × 50″, with extended setups available
 - Precision fixturing for reduced runout and tight dimensional control
 
Technical Highlights:
- Tolerances: ±0.0005″ standard; tighter on request
 - Surface Finish: As low as 16 Ra or better, depending on material and toolpath strategy
 - File Formats Accepted: STEP, IGES, Parasolid, SolidWorks, and more
 - Toolpath Optimization: Rest machining, scallop control, and multi-surface blending
 
Ideal Applications
- Contoured aluminum and steel components
 - Mold bases and cavity surfacing
 - Aerospace brackets and housings
 - Sculpted enclosures and industrial design elements
 - Precision prototype components
 - Reverse-engineered or scanned surface machining
 
Materials We Routinely Mill
- Aluminum (6061, 7075, MIC-6)
 - Stainless steels (304, 316, 17-4)
 - Tool steels (A2, D2, O1)
 - Copper and brass alloys
 - Plastics (Delrin, UHMW, PEEK, PTFE)
 - Composites (G10, carbon fiber)
 - Machinable ceramics and castings
 
Our expert CAM programmers and seasoned machinists deliver precision and efficiency on even the most complex parts. We offer seamless integration with our in-house sheet metal, welding, and assembly services to streamline your entire production process. With custom tooling and fixturing solutions developed on-site, we’re equipped to handle challenging geometries with ease. Whether for R&D or full-scale production, we provide short lead times and responsive support to keep your project moving forward.

