[ 05.6 // CNC ]

CNC · Subtractive Machining

Computerized milling and turning from a solid block. The industrial standard for functional parts with tight tolerances, real engineering materials and excellent surface finish. Ideal complement to 3D printing.

[ 05.6.1 // SPECS ]

Technical specifications

Tolerance
±0.025 mm
Axes
3 / 4 / 5 axis
Work envelope
Up to 1000 × 500 mm
Finish
Ra 0.8–3.2
Lead time
3–10 days
Material
Metal + plastic
[ 05.6.2 // TRADE-OFFS ]

Strengths & limitations

Strengths

  • Exceptional dimensional accuracy (±25µm)
  • Real engineering materials - metals and plastics
  • Excellent as-machined surface finish
  • Isotropic properties - equal strength in all axes

Limitations

  • Limited for complex internal geometries
  • Higher machining cost for complex parts
  • Material waste - subtractive process
[ 05.6.3 // MATERIALS ]

Available materials

Material Typical uses
אלומיניום 6061 / 7075 Industrial, aerospace, enclosures
פלדה / Stainless 304/316 Structural, medical, food-grade
פליז / נחושת Electrical/thermal conductivity
POM (Delrin) Gears, bushings, pivots
PEEK / PTFE Chemical, medical parts

← Full materials library

[ 05.6.4 // BEST FOR ]

Best suited for

  • High-precision functional parts
  • Short runs before tooling for injection molding
  • Structural metal parts
  • Assembly parts with threads and tight fits
[ 05.6.5 // FAQ ]

FAQ

When to choose CNC over printing?

When you need tight tolerances, real metal/engineering material, excellent surface finish, or small-to-medium standardized runs.

Can CNC be combined with printing?

Absolutely. A common hybrid: SLM for the main body, then CNC for critical surfaces and threads.

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