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Anpllocnc’s Surface Finish Service delivers exceptional quality and precision, specializing in enhancing material aesthetics and durability.with 15+ surface finishing options. Get your cnc machining parts bead blasted, anodized, or powder coated.
Name | Applicable to | Machining marks | Cosmetic availability | Color | Tolerances | |
---|---|---|---|---|---|---|
As machined | Metals, Plastics | Visible, light surface scratches | No | N/A | Tolerances are not affected | |
Smooth machining | Metals, Plastics | Visible, light surface scratches | No | N/A | Tolerances are not affected | |
Fine machining | Metals | Slightly visible | No | N/A | Tolerances are not affected | |
Polishing | Metals | Removed on primary surfaces | Always cosmetic | N/A | Met after polishing | |
Bead blasting | Metals | Removed for non-cosmetic, removed on primary surfaces for cosmetic | On request | N/A | Not affected except for specific features* | |
Brushing | Metals | Reduced for non-cosmetic, removed on primary surfaces for cosmetic | On request | N/A | Met after brushing | |
Anodizing Type II | Aluminum | Reduced for non-cosmetic, removed on primary surfaces for cosmetic | On request | Black, Clear, Red, Blue, Gold, Orange | Met after anodizing | |
Anodizing Type III | Aluminum | Visible under anodizing | No | Black, Natural | Met after anodizing | |
Black oxide | Copper, Stainless steel, Alloy steel, Tool steel, Mild steel | Visible | No | Black | Met after coating | |
Chromate conversion coating | Aluminum | Visible | No | Clear | Met after coating | |
Electroless nickel plating | Mild steel, Aluminum, Stainless steel | Reduced but visible | No | Metallic (semi-bright) | Met after electroless nickel plating | |
Powder coating | Metals | Removed | No | Black, White, RAL/Pantone | Met before powder coating | |
Brushed + electropolishing | Stainless steel | Removed on Primary surfaces | Always cosmetic | N/A | Met after electropolishing |
Name | Applicable Materials | Colors | Can be applied with | |
---|---|---|---|---|
Alodine | Aluminum | Clear, gold | Media Blasting, Tumbling, Type II Anodizing* Type III Anodizing*, Type III Anodizing with PTFE* | |
Anodizing | Aluminum | Clear, black, grey, red, blue, gold | Media Blasting, Tumbling, Alodine* | |
Electropolishing | Steel, Stainless Steel | — | — | |
Hand Polishing | Acrylic | — | Enhanced cosmetic appearance | |
Media Blasting | Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper | — | All post processes except Electropolish and Powdercoat | |
Nickel Plating | Aluminum, Steel, Stainless Steel | — | Media Blasting, Tumbling | |
Passivation | Steel, Stainless Steel | — | Black Oxide, Electroless Nickel Plating, Zinc Plating, Tumbling, Media Blasting | |
Tumbling | Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper | — | All post processes except Electropolish and Powdercoat | |
Vapor Polishing | CNC Polycarbonate (Clear, Black) | — | Enhanced cosmetic appearance, near optically clear applications | |
Zinc Plating | Steel, Stainless Steel | Clear: light blue coating, black: glossy black coating | Media Blasting, Tumbling, Passi |
Surface finishes can serve either a functional or aesthetic purpose. Surface finishes that serve both purposes are deemed cosmetic finishes, and are used for cosmetic parts. Producing cosmetic parts requires additional measures to minimize defects such as hang marks and scratches from tools.
Primary machining marks will still be visible
Finishes can be either cosmetic or non-cosmetic as per request
These finishes will always serve a cosmetic function
Surface finishing often leaves aesthetic defects on your parts, such as hang marks for anodizing. Defining an A- and a B-side in your design will ensure that the most important areas of your part remain free of defects.
In this image you can see how you can define an A-side and a B-side in your technical drawing:
A side: Indicates the most aesthetically important surface, typically the visible side of your product.
B side: Indicates the side that is not aesthetically important, typically the side hidden from visibility after assembly.
For the primary surface (A-side) of your part, we guarantee defect-free production. In contrast, secondary surfaces (B-side) may be machined with hanging marks and other minor defects. B-side surfaces, like the rest of your part, will be free of scratches, stains and blemishes.
Will my part have | Primary surface (A-side) | Secondary surface (B-side) |
---|---|---|
Scratches, stains, blemishes | No | No |
Hanging marks | No | Minor hanging marks |
Other minor defects | No | Up to 2 minor defects |
All cosmetic parts produced by Anpllocnc follow our Cosmetic Acceptability Criteria:
Each part must be visually consistent across the same batch, meaning:
Manual brushing marks will be as unidirectional as possible. Please note that for rounded geometries, brushing marks may not be entirely unidirectional.
The surface quality of every part must meet the following conditions:
Cosmetic finishes will follow our Cosmetic Acceptability Criteria
Parts will have guaranteed consistency across the batch
Batch will be inspected as per AQL level II
There will be around a +10% price increase
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