Post-Processing for CNC Machining
Evaluate standard surface finishes for CNC machined parts as well as advanced capabilities to improve durability, surface finish, and add color.
Standard Finishes
Choose from three standard surface finish options for CNC machined parts.
Edges broken (tool marks visible)
Edges deburred with visible toolmarks.
Materials: Plastic, Metals
Cost: $
Edges broken and light bead blast
Edges deburred with light bead blast.
Materials: Metals
Cost: $$
Leave sharp (tool marks visible)
Edges left sharp (tool marks visible) should be handled with care.
Materials: Metals
Cost: $
Quick-Turn Coating Options
Anodizing and chromate coating options are available for quick-turn parts that ship within four days.
Anodizing Type II
MIL-A-8625
Colors: Black, Clear
Cost: $$
Anodizing Type III (Hardcoat)
MIL-A-8625
Colors: Black
Cost: $$$
Chromate Type II (Non-Hexavalent)
MIL-DTL-5541
Colors: Clear
Cost: $$
Advanced Post-Processing Options for CNC Machining Parts
Through myRapid and Protolabs Network, access a broad range of post-processing capabilities to meet your part’s exact specifications.
| Description | Materials | Factory | myRapid | Network | |
|---|---|---|---|---|---|
| Bead Blast | Light bead blast to provide uniform finish and light texture | Metals | X | X | X |
| Anodizing | Type I, II, and III finishes are available to improve part durability and add color | Aluminum Titanium |
X | X | X |
| Chromate Coating | Improve corrosion resistance, add electrical connectivity, and the ability to better paint parts | Metals | X | X | X |
| Electroless Nickel Plating | A wear-, abrasion-, and corrosion resistant finish that is compatible with aluminum, stainless steel, and mild steel | Aluminum Steel |
X | X | |
| Part Marking | Laser engraving or pad printing to add labeling and other text to parts | Metals Plastics |
X | X | |
| Passivation | Enhance durability and corrosion resistance of metal parts | Metals | X | X | |
| Powder Coating | Add custom color to parts while improving durability | Metals | X | X | |
| Press Fit Hardware | Incorporate off-the-shelf hardware components to facility assembly | Metals | X | X | |
| Silk Screening | Add design elements or labels to parts | Metals | X | X | |
| Brushing | Achieve uniform, satin-like surface finish | Stainless Steel | X | ||
| Polishing | Create mirror-like finishes on metal parts | Metals | X | ||
| Black Oxide | Improve corrosion resistance | Metals | X | ||
| Brushed + Electropolishing | This combination of processing results in easy-to-clean parts that are corrosion resistant | Metals | X |