CNC machining since 2008 · 3D printing since 2017

FINISHING & POST-PROCESSING / MJF

See the options.
Finish your MJF part.

Explore finishing and secondary operations for MJF nylon printing. The exact material, geometry and required result determine compatibility.

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THE FINISHING OPTIONS

MJF finishing & secondary operations.

A process-specific shortlist, not a finishing package. Compatibility and the agreed operations are confirmed with quotation.

Choose the finishing route with your material, cosmetic surfaces and functional requirements in mind. CK will review the finish and inspection scope with your drawing.

PA12 — MJF material photographMJF · PART REFERENCE
MJF material and equipment references. Discuss your required finish with CK.

01 / MJF

Bead blasting / sandblasting

Discuss the target texture, media and access to functional or cosmetic surfaces. Protect fine details and surfaces that must remain unchanged.

Material & specificationSLS, MJF and selected resins. Media and target appearance confirmed by sample or specification

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PA12 — MJF material photographMJF · MATERIAL REFERENCE
MJF material and equipment references. Discuss your required finish with CK.

02 / MJF

Dyeing

Explore colour appearance for suitable nylon parts. Agree the colour range, target sample and expectations for the intended application.

Material & specificationSLS / MJF nylon. Color range and fade expectations confirmed per project

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PA12 — MJF material photographMJF · MATERIAL REFERENCE
MJF material and equipment references. Discuss your required finish with CK.

03 / MJF

CNC secondary machining

Plan critical bores, mating faces and interfaces. Include machining allowance, datums and the final dimensional requirements in the CAD and drawing.

Material & specificationCritical printed-plastic features when feasible. Machining allowance and datum strategy should be included in CAD

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PA12 — MJF material photographMJF · MATERIAL REFERENCE
MJF material and equipment references. Discuss your required finish with CK.

04 / MJF

Threading and inserts

Specify thread size, class and insert type. CK reviews the installation route against the material, geometry and intended use.

Material & specificationHeat-set or press-fit inserts; tapped features where suitable. Thread class and insert specification required

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PA12 — MJF material photographMJF · MATERIAL REFERENCE
MJF material and equipment references. Discuss your required finish with CK.

05 / MJF

Welding and assembly

Discuss bonding or mechanical assembly for your selected polymer. Define joint locations, alignment and the requirements for the completed assembly.

Material & specificationBonding and mechanical assembly. Joint location and distortion risk reviewed during DFM

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PA12 — MJF material photographMJF · MATERIAL REFERENCE
MJF material and equipment references. Discuss your required finish with CK.

06 / MJF

Silk screening / marking

Supply the artwork, location, size and colour requirements. Surface compatibility and adhesion expectations are reviewed with your project.

Material & specificationPainted and molded surfaces. Artwork and adhesion requirements required

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PA12 — MJF material photographMJF · MATERIAL REFERENCE
MJF material and equipment references. Discuss your required finish with CK.

07 / MJF

Inspection and documentation

Identify critical dimensions and the required reporting scope. Agree the sampling plan and document requirements during quotation.

Material & specificationDimensional report on request. Scope, sampling plan and certificate type quoted separately

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Material conditions & technical notes

Operations to discuss for MJF

This is a process-specific shortlist, not a finishing package. Read each material condition; not every option applies to every grade. The quotation defines the agreed operations.

Bead blasting / sandblasting

Material condition: SLS, MJF and selected resins. Media and target appearance confirmed by sample or specification

Explore →

Dyeing

Material condition: SLS / MJF nylon. Color range and fade expectations confirmed per project

Explore →

CNC secondary machining

Material condition: Critical printed-plastic features when feasible. Machining allowance and datum strategy should be included in CAD

Explore →

Threading and inserts

Material condition: Heat-set or press-fit inserts; tapped features where suitable. Thread class and insert specification required

Explore →

Welding and assembly

Material condition: Bonding and mechanical assembly. Joint location and distortion risk reviewed during DFM

Explore →

Silk screening / marking

Material condition: Painted and molded surfaces. Artwork and adhesion requirements required

Explore →

Inspection and documentation

Material condition: Dimensional report on request. Scope, sampling plan and certificate type quoted separately

Explore →

A FEW USEFUL ANSWERS

MJF finishing FAQs.

Practical questions about finishing, samples and specifications.

Talk to our team →
Is every listed operation suitable for every MJF material?

No. The exact grade, geometry, surface access and intended use determine suitability. This is a process-specific shortlist, not an automatic finishing package. The quotation confirms the agreed operations.

Are these images an acceptance standard?

No. Agree a representative physical sample when appearance is critical.

Do powder-bed parts need the same supports as resin prints?

The surrounding powder supports the build. Cleaning and powder removal are distinct from removing solid support structures from a resin print.

What should I send with my enquiry?

Send the model, any controlled drawing and a parts list. Include the exact material, quantity, target appearance, colour reference, masked areas and critical dimensions.

Can finishing change the dimensions?

Material removal, coating buildup and thermal processing may affect features. Specify whether acceptance dimensions apply before or after finishing, and identify protected bores, threads and mating faces.

Can I combine more than one operation?

Discuss the complete route with CK. Compatibility and sequence are reviewed for the selected material, surfaces and required result.

Can I approve a sample before production?

Request a representative sample at quotation when colour, gloss or texture is important. The scope, cost and timing are agreed for your project.

Christina, Director of Sales at CK

Need help choosing a finish for your project?

Speak with Christina, our Director of Sales, about finishing options that match your material, surface requirements and intended use.

Contact with CK
PROJECT REVIEW

Tell us what the surface needs to do.

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