Surface Finishing for Precision Machined Parts

Different materials require different finishing routes. LAIRUN supports and coordinates a range of surface finishing and post-processing options for machined parts, from appearance and corrosion protection to wear resistance and final part preparation.

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Finishes are selected according to the material, drawing specifications and end-use requirements.

Aluminum
A wide range of finishing options can be applied to aluminum parts for appearance, corrosion protection, wear resistance and surface preparation.
Aluminum 6061+Black Anodized

Aluminum 6061+Black Anodized

Aluminum 6061+Blue Anodized

Aluminum 6061+Blue Anodized

Aluminum 6061+Hard Black Anodized

Aluminum 6061+Hard Black Anodized

Aluminum 7075+Hard Anodized

Aluminum 7075+Hard Anodized

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Steel
Depending on the steel grade and application, finishing and post-processing can be selected for corrosion protection, appearance, hardness and wear performance.
SUS304+Electropolishing

SUS304+Electropolishing

Steel + Nickel Plating

Steel + Nickel Plating

Q235+Zinc plating

Q235+Zinc plating

C45+Powder painting

C45+Powder painting

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Copper Alloys
Copper, brass and bronze parts can be finished for appearance, oxidation protection, conductivity and other functional surface requirements.
Copper substrate + Nickel underplate + Silver plating

Copper substrate + Nickel underplate + Silver plating

Copper – Tin Plating

Copper – Tin Plating

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Heat Treatment & Hardening
Heat treatment options for machined parts are selected based on material, drawing requirements, target hardness and service conditions, including through hardening, case hardening, nitriding, annealing and tempering.
S7 Tool Steel – Through Hardening

S7 Tool Steel – Through Hardening

4140 Steel – Case Hardening

4140 Steel – Case Hardening

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Other materials
Finishing options for titanium, nickel alloys and other specialty materials are reviewed according to the material, drawing and service requirements.
Titanium Grade 2 – Platinum Coating

Titanium Grade 2 – Platinum Coating

Titanium Grade 2 – Gold Plating

Titanium Grade 2 – Gold Plating

Acrylic (PMMA) – Vapor Polishing

Acrylic (PMMA) – Vapor Polishing

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Need Specified Finishing ?

Send us your drawing or finishing specification. We can review the material, surface requirements, critical dimensions and masking needs before quotation.

Contact Us Now

We machine a wide range of metals, engineering plastics, and selected high-performance materials for custom CNC machined parts

Contact Us

Tel:  +86-769-38995488-888

Mob: +86 139 2926 5752

Email: rfq@lairun.com.cn

WhatsApp: +86 139 2926 5752

WhatsApp: +86 136 5251 3796

Address: Room 102, 1st Floor, Building 1, No.46, Weimin Road, Dongcheng Street, Dongguan city, Guangdong Province, China

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