CNC Milling Service

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3 & 4-Axis Milling | Surface Finishing | Lead Times from 2 Days

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

Available Materials

View material details here. Other materials may be available upon request.

Metals

Aluminum

Stainless Steel

Other

6061-T6

303

Brass C360

7075-T6

304

Copper C101

5083

316

Copper C110

17-4 PH

Titanium Grade 5

15-5 PH

Available Materials

View material details here. Other materials may be available upon request.

Metals

Aluminum

6061-T6

7075-T6

5083

Stainless Steel

303

304

316

17-4 PH

15-5 PH

Other

Brass C360

Copper C101

Copper C110

Titanium Grade 5

Plastics

Plastics

Plastic Composites

ABS

Garolite (G-10)

Acetal (POM-C)

Nylon 30% GF

Acrylic (PMMA)

Delrin (POM-H)

HDPE

Nylon 6

PEEK

PET

Polycarbonate

Polypropylene

PVC

Teflon (PTFE)

UHMWPE

Plastics

Plastics

ABS

Acetal (POM-C)

Acrylic (PMMA)

Delrin (POM-H)

HDPE

Nylon 6

PEEK

PET

Polycarbonate

Polypropylene

PVC

Teflon (PTFE)

UHMWPE

Plastic Composites

Garolite (G-10)

Nylon 30% GF

CNC Expertise

All parts are manufactured in house at ProtoXYZ’s facilities. This way, we can control our processes and make sure you receive high quality parts every time. Our team has years of CNC Machining experience, which allows us to reduce setup costs while producing high quality parts.

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 2022
  • Inspection report included in every order. Full dimensional inspection reports on request
  • NDA agreement signature upon request
  • Batch inspection in concurrence with ISO2859