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Anodizing for CNC Machined Aluminum Parts

Anodizing support for aluminum CNC machined parts requiring corrosion resistance, wear resistance or cosmetic color.

  • Clear and color anodizing
  • Hard anodizing planning
  • Masking and tolerance review
Anodizing services by JADMAKE
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STEP / STP / IGES / IGS / X_T / SLDPRT / PDF / DWG / DXF

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Anodizing for Custom Precision Parts

JADMAKE reviews anodizing requirements together with aluminum grade, masking, threaded features, cosmetic surfaces and tolerance impact.

JADMAKE workshop for Anodizing
Capabilities

Anodizing Capabilities

Choose the machining strategy that matches part geometry, access, tolerance and production quantity.

Anodized aluminum CNC machined heat sink

Clear and Color Anodizing

Anodizing requirements can be reviewed for cosmetic appearance, corrosion resistance and part function.

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Black anodized CNC machined aluminum components

Hard Anodizing Review

Hard anodizing can be reviewed when wear resistance, surface hardness or functional coating thickness matters.

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CNC machined aluminum plate requiring masking and anodizing review

Masking and Threads

Threaded holes, conductive surfaces, bearing fits and cosmetic faces should define masking requirements.

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Engineering review for anodized CNC part tolerances

Drawing-Based Tolerance Review

Coating thickness can affect fit, threads and mating surfaces, so critical dimensions should be marked.

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Anodizing Capabilities and Specifications

Applicable MaterialsPrimarily aluminum alloys; final compatibility depends on grade, color and finish supplier capability
Common OptionsClear anodizing, black anodizing, color anodizing and hard anodizing by project requirement
Key InputsAluminum grade, color, surface texture, masking areas, cosmetic faces and critical dimensions
Tolerance ImpactCoating thickness can affect holes, threads, slots, bearing fits and mating surfaces
Cosmetic RequirementsVisible faces, color limits, gloss, texture and acceptable marks should be defined
Functional RequirementsWear resistance, corrosion resistance, insulation or conductive masking should be specified
DocumentationSurface treatment certificates can be provided according to project requirement
Best RFQ FilesSTEP, STP, IGES, IGS, X_T, SLDPRT, PDF, DWG, DXF, ZIP
Related PageSurface finishing hub should remain the main page for multi-finish comparison
Important NoteExact anodizing result depends on alloy, pretreatment, surface condition and supplier process

Anodizing Materials

Aluminum

Lightweight, corrosion resistant, machinable and suitable for cosmetic or functional finishing.

Applications
RF housings, heat sinks, brackets, covers, fixture plates and enclosures.
Common Grades
6061, 7075, 5052, 2024

Stainless Steel

Corrosion resistant, durable and suitable for parts that need strength and stable surfaces.

Applications
Fixtures, brackets, covers, equipment components and industrial precision parts.
Common Grades
304, 316, 17-4 PH

Carbon and Alloy Steel

Strength, wear resistance and optional heat treatment depending on grade and application.

Applications
Tooling plates, structural components, machinery parts and durable brackets.
Common Grades
1045, 4140, 40Cr

Brass and Copper

Good conductivity, machinability and corrosion resistance for electrical and thermal uses.

Applications
Electrical parts, contacts, RF details, grounding parts and thermal components.
Common Grades
C360, H59, C110

Titanium

High strength-to-weight ratio and corrosion resistance, with higher machining cost and tool-wear risk.

Applications
High-performance prototypes, lightweight structures and demanding precision parts.
Common Grades
Ti-6Al-4V

Engineering Plastics

Lightweight, insulating, low-friction or chemical-resistant options with material-specific stability risks.

Applications
Jigs, housings, wear parts, test fixtures and functional prototypes.
Common Grades
POM, PEEK, Nylon, PC, ABS

Surface Finishing Options for Anodizing Parts

As Machined

Finish requirements can be reviewed with your material, tolerance and application needs.

Bead Blasting

Finish requirements can be reviewed with your material, tolerance and application needs.

Anodizing

Finish requirements can be reviewed with your material, tolerance and application needs.

Hard Anodizing

Finish requirements can be reviewed with your material, tolerance and application needs.

Powder Coating

Finish requirements can be reviewed with your material, tolerance and application needs.

Painting

Finish requirements can be reviewed with your material, tolerance and application needs.

Electroless Nickel Plating

Finish requirements can be reviewed with your material, tolerance and application needs.

Zinc Plating

Finish requirements can be reviewed with your material, tolerance and application needs.

Passivation

Finish requirements can be reviewed with your material, tolerance and application needs.

Polishing

Finish requirements can be reviewed with your material, tolerance and application needs.

Black Oxide

Finish requirements can be reviewed with your material, tolerance and application needs.

Laser Marking

Finish requirements can be reviewed with your material, tolerance and application needs.

Why Choose JADMAKE

Engineering Review Before Production

CAD files, drawings, material, tolerance and finishing requirements are reviewed before machining starts.

Consistent Quality Control

ISO 9001 process control and inspection checkpoints help manage dimensions, appearance and batch repeatability.

Direct Factory Communication

Project requirements are discussed with the team responsible for engineering review and production planning.

Flexible Production Volumes

Support for prototypes, engineering samples and repeat low-volume orders.

Complete Manufacturing Support

Machining, finishing, inspection, packaging and delivery are coordinated together.

Quality Control for Anodizing Parts

Inspection reports, material certificates and surface treatment certificates can be provided according to project requirements.

Drawing ReviewMaterial VerificationFirst Article InspectionIn-Process InspectionFinal Dimensional InspectionSurface and Appearance InspectionPackaging and Shipment
CMMHeight GaugeProjectorMicrometerRoughness TesterPlug GaugesRing Gauges

Anodizing Parts We Manufacture

Aluminum Housings CNC machined part example

Aluminum Housings

  • Material: Aluminum
  • Process: CNC Milling
  • Finish: Anodizing
  • Tolerance: Project dependent
Heat Sinks CNC machined part example

Heat Sinks

  • Material: Aluminum
  • Process: CNC Milling
  • Finish: Black Anodizing
  • Tolerance: Project dependent
Precision Brackets CNC machined part example

Precision Brackets

  • Material: Aluminum / Steel
  • Process: 3+2 Axis Milling
  • Finish: As Machined
  • Tolerance: Project dependent
Robotics Components CNC machined part example

Robotics Components

  • Material: Aluminum / Steel
  • Process: CNC Milling
  • Finish: Painting
  • Tolerance: Project dependent
Communication Enclosures CNC machined part example

Communication Enclosures

  • Material: Aluminum
  • Process: CNC Milling
  • Finish: Anodizing
  • Tolerance: Project dependent
SATCOM Components CNC machined part example

SATCOM Components

  • Material: Aluminum / Alloy Steel
  • Process: 5-Axis Milling
  • Finish: Black Oxide
  • Tolerance: Project dependent
Optical Mounts CNC machined part example

Optical Mounts

  • Material: Aluminum / Stainless Steel
  • Process: CNC Milling
  • Finish: Passivation
  • Tolerance: Project dependent
Automation Fixtures CNC machined part example

Automation Fixtures

  • Material: Aluminum / Steel
  • Process: CNC Milling
  • Finish: Hard Anodizing
  • Tolerance: Project dependent
Medical Device Components CNC machined part example

Medical Device Components

  • Material: Stainless Steel / Plastic
  • Process: CNC Milling
  • Finish: Polishing
  • Tolerance: Project dependent
Aerospace Structural Parts CNC machined part example

Aerospace Structural Parts

  • Material: Aluminum / Titanium
  • Process: 5-Axis Milling
  • Finish: As Machined
  • Tolerance: Project dependent

Anodizing Services for Different Industries

Robotics

Structural brackets, actuator parts, sensor mounts and precision housings.

Communication and SATCOM

RF housings, antenna structures, terminal brackets and shielding components.

Industrial Automation

Fixtures, machine components, mounting plates and custom tooling.

Electronics

Heat sinks, enclosures, connectors, plates and shielding parts.

Medical Equipment

Prototype components, device housings, fixtures and precision metal parts where requirements are confirmed by drawing.

Aerospace

Engineering prototypes, lightweight structures and precision components with project-specific documentation requirements reviewed before quotation.

Prototype to Low-Volume Production

Rapid Prototyping

1-20 Parts

Suitable for design validation, functional testing, engineering samples and early project review.

Low-Volume Production

20-500+ Parts

Suitable for bridge production, repeated small-batch orders and controlled production ramp-up.

Anodizing Design Guidelines

Internal Corner RadiusUse a radius that matches available tool sizes where possible.
Pocket DepthAvoid unnecessarily deep pockets to reduce tool deflection and cost.
Thin WallsConfirm wall thickness based on material, part size and tolerance.
Hole DepthProvide depth and thread requirements clearly in drawings.
ThreadsSpecify thread standard, depth, tolerance and inspection requirements.
TolerancesApply tight tolerances only where function requires them.
Surface FinishDefine visual and functional finish requirements separately.
DatumMark datum and critical-to-function dimensions clearly.

FAQ

What is anodizing for CNC machined parts?

Anodizing is an electrochemical surface treatment used mainly on aluminum to improve corrosion resistance, wear resistance or appearance.

Can all aluminum alloys be anodized the same way?

No. Anodizing color and appearance can vary by alloy, surface condition and pretreatment, so requirements should be reviewed before production.

Does anodizing affect dimensions?

Yes. Coating thickness can affect holes, threads, slots and mating surfaces. Critical features should be marked on the drawing.

What should I include in an anodizing RFQ?

Include aluminum grade, color, finish type, visible surfaces, masking areas, critical dimensions, quantity and any certificate needs.

Can JADMAKE coordinate black anodizing?

Black anodizing can be reviewed for aluminum CNC parts together with cosmetic and functional requirements.

Can anodizing certificates be provided?

Surface treatment certificates can be provided according to project and supplier documentation requirements.

Ready to Start Your Anodizing Project?

Upload your drawings and CAD files. Our engineering team will review your project and provide a quotation with machining recommendations.

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