Technical surface coatings for 3D-printed plastic parts

3D printed parts painted

Surface coating of 3D-printed plastic parts – Comparison image

In mass production, 3D-printed parts are being used to an increasing extent – not only for small batches and prototypes. Therefore, it is of great importance that the surface quality of the parts is optimized in every respect. With our processes and procedures, we bring 3D-printed components and housings to the level of commercial parts in terms of appearance and function.

On one hand, regarding the visual appearance, which is especially important for visible components. On the other hand, in many cases, the technical properties of the surface of the parts are also significant. Here, our diverse methods and variations of surface coating are available to meet various requirements. The surface technology that WÖHR covers includes the following applications: 
– Increasing chemical robustness
– Enhancing UV resistance
– High-ohmic ESD protection
– Low-ohmic EMC protection

Structurally, a coating can also offer advantages; depending on the choice of coating, different surface textures from fine to coarse can be applied to the workpieces. 

Does your 3D part have the wrong color because the filament for the 3D printer is not available in the desired shade? Our coating systems allow for a free choice of color to match other components of a device – even metallic-looking surfaces can be realized. We can also vary the gloss level of the surface.

Defects in the surface, such as small holes or fine seam lines, can be invisibly covered with a coating. With our expertise, we adjust the surface of the coating so that cracks, holes, and seams are no longer visible. 

The advantage of all our coating technologies for our customers: they receive ready-to-sell parts and components that are suitable even for demanding users – including the renowned excellent quality of Richard Wöhr GmbH.