تشطيبات الأسطح

As machined

CNC machining, sheet metal fabrication

Metals, plastics

Visible, light surface scratches

No

Tolerances are not affected

Anodizing type II

CNC machining, sheet metal fabrication

Aluminum

Reduced for non-cosmetic, removed on primary surfaces for cosmetic

On request

Met after anodizing

Anodizing type III

CNC machining, sheet metal fabrication

Aluminum

Visible under anodizing

No

Met after anodizing

Black oxide

CNC machining, sheet metal fabrication

Copper, stainless steel, alloy steel, tool steel, mild steel

Visible

No

Met after coating

Sandblasting

التصنيع CNC

Metals

Removed for non-cosmetic, removed on primary surfaces for cosmetic

On request

Not affected except for specific features*

Powder coating

CNC machining, sheet metal fabrication

Metals

Removed

No

Met before powder coating

Mirror polishing

التصنيع CNC

Metals

Removed on primary surfaces

Always cosmetic

Met after polishing

Brushing

CNC machining, sheet metal fabrication

Metals

Reduced for non-cosmetic, removed on primary surfaces for cosmetic

On request

Met after brushing

Smooth machining

التصنيع CNC

Metals, plastics

Visible, light surface scratches

No

Tolerances are not affected

Fine machining

التصنيع CNC

Metals

Slightly visible

No

Tolerances are not affected

Chromate conversion coating

CNC machining, sheet metal fabrication

Aluminum

Visible

No

Met after coating

Electroless nickel plating

التصنيع CNC

Mild steel, aluminum, stainless steel

Reduced but visible

No

Met after electroless nickel plating

Brushed + electropolishing

التصنيع CNC

Stainless steel

Removed on primary surfaces

Always cosmetic

Met after electropolishing