CNC Milling Service

Upload CAD files, receive an instant CNC milling quote,
and get your parts into production in minutes.

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CNC Milling Service

Upload CAD files, receive an instant CNC milling quote, and get your parts into production in minutes.

Get instant quote

All uploads are secure and confidential.

CNC Milling

CNC Milling is a process of removing material from a workpiece using a computer-generated path to guide a cutting tool. ProtoXYZ offers 3 and 4-Axis CNC Milling.

Capabilities & Standards

Requirement

Capability

Maximum Build Size:

330.2 x 203.2 x 152.4 mm (13" x 8" x 6")

Standard Tolerance:

Available Finishes:

Standard - Sharp edges removed and leaves tool marks visible

Bead Blast - Removes sharp edges and bead blast to remove tool marks

Standard Lead Times:

2-3 Days

Design Guidelines

The table below is a summary of the recomemended minimum size for the most commonly encountered features in CNC Milling.

Feature

Recomemended Size

Feasible Size

Min. Feature Size:

Recomemended:

Ø 2.5 mm

Feasible:

Ø 0.5 mm

Internal Edges:

Recomemended:

R 8 mm

Feasible:

R 0.25 mm

Min. Wall Thickness:

Recomemended:

0.8 mm (Metal)

1.5 mm (Plastic)

Feasible:

0.5 mm (Metal)

1.0 mm (Plastic)

Holes:

Recomemended:

Diameter: Standard Drill Sizes

Depth: 4x Diameter

Feasible:

Diameter: Ø 0.5 mm

Depth: 10x Diameter

Threads:

Recomemended:

Size: M5-M12

Depth: 3x Diameter

Feasible:

Size: M2-M12

Depth: 10x Diameter

CNC Milling Materials

Typ. Lead Time:

Min Linear Tolerance:

Tolerances

We follow ISO 2768 standards for CNC Milling. Tighter tolerances are available upon request.

Nominal Size

Plastics (ISO 2768-m)

Metals (ISO 2768-f)

0.5 mm ≤ x ≤ 3 mm

± 0.1 mm

± 0.05 mm

3 mm < x ≤ 6 mm

± 0.1 mm

± 0.05 mm

6 mm < x ≤ 30 mm

± 0.2 mm

± 0.1 mm

30 mm < x ≤ 120 mm

± 0.3 mm

± 0.15 mm

120 mm < x ≤ 400 mm

± 0.5 mm

± 0.2 mm

400 mm < x ≤ 1,000 mm

± 0.8 mm

± 0.3 mm

Plastics (ISO 2768-m)

Nominal Size

Tolerance

0.5 mm ≤ x ≤ 3 mm

± 0.1 mm

3 mm < x ≤ 6 mm

± 0.1 mm

6 mm < x ≤ 30 mm

± 0.2 mm

30 mm < x ≤ 120 mm

± 0.3 mm

120 mm < x ≤ 400 mm

± 0.5 mm

400 mm < x ≤ 1,000 mm

± 0.8 mm

Metals (ISO 2768-f)

Nominal Size

Tolerance

0.5 mm ≤ x ≤ 3 mm

± 0.05 mm

3 mm < x ≤ 6 mm

± 0.05 mm

6 mm < x ≤ 30 mm

± 0.1 mm

30 mm < x ≤ 120 mm

± 0.15 mm

120 mm < x ≤ 400 mm

± 0.2 mm

400 mm < x ≤ 1,000 mm

± 0.3 mm

Quality Assurance

  • ISO 9001 certification at all ProtoXYZ manufacturing facilities by July 2023
  • Inspection report included in every order. Full dimensional inspection reports on request
  • NDA agreement signature upon request
  • Batch inspection in concurrence with ISO2859

CNC Machining FAQs

What are ProtoXYZ’s CNC machining capabilities?
What is unique about the ProtoXYZ process?
What is the typical cost of a machined part at ProtoXYZ?
How does the quoting process work?
What are ProtoXYZ’s stocked materials for machining?
What are ProtoXYZ’s machining capabilities? What size can my part be?
Why should I have my part machined rather than 3D printed?

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