Post-processing of MJF 3D printed parts – options
Post-processing of MJF 3D printed parts using HP Multi Jet Fusion technology is required to remove excess powder and improve surface quality. Some of the common processing methods for MJF parts include:
1. Grinding
Grinding is a common method used to level the surface of MJF parts. It involves using sandpaper or a sandblasting apparatus to remove any rough or uneven areas on the part’s surface.
2. Sandblasting
Sandblasting is another common method used to smoothen the surface of MJF parts. It involves blasting the part’s surface with small glass or ceramic beads to remove excess powder and enhance surface quality.
3. Galvanic Coating
Galvanic coating is a process where MJF parts are placed in a machine with abrasive materials such as ceramic or plastic granules. The machine rotates the parts, allowing the abrasive medium to rub against the part’s surface and smooth out any micro-roughness.
4. Polishing
Polishing involves using polishing compound and a polishing wheel to level the surface of MJF parts. This process can give the parts a smooth, glossy finish.
5. Painting
Painting is an option for MJF parts that require specific colors or decorations. Parts can be primed and painted using standard paint materials.
6. Dyeing
Dyeing involves adding color to MJF parts. Parts can be dyed using various methods, including immersion, surface dyeing, or spray painting.
7. Coating
Coating involves applying protective or decorative coatings to the surface of MJF parts. Common coating options include clear coatings, anti-static coatings, and coatings resistant to UV radiation.
In conclusion, there are several processing options available for HP MJF printed parts, including grinding, sandblasting, galvanic coating, polishing, painting, dyeing, and coating. The choice of processing method will depend on the desired surface finish, color, and other requirements for the final product.
