Method and device for coating the surface of an interior component for motor vehicles
To provide a method for coating the surface of an interior component for motor vehicles which can be carried out in a cost-effective and simple way it is proposed that the interior component is positioned at a distance from a molded part in the region of its surface to be coated, so that a gap is formed between the surface to be coated and the molded part, that the interior component is braced with the molded part, the gap is filled with a liquid surface coating material and said material is cured by exposure to UV radiation. Also proposed are a device for carrying out the method and an interior component which is produced by using the method.
1. A method for coating the surface of an interior component for motor vehicles, comprising:
positioning the interior component at a distance from a wall of a molded part in a region of its surface to be coated, so that a gap is formed between the surface to be coated and the wall,
filling the gap with a liquid surface coating material, and
curing said material by exposure to ultraviolet radiation,
wherein the interior component is braced with the molded part by means of a pivotable clamping lever comprising clamping pins which project in a direction of the molded part, free ends of the clamping pins being placed against a rear side of the interior component which faces away from said gap.
2. The method as claimed in claim 1 , wherein the gap is filled with the surface coating material under a positive pressure of at least 0.2 bar.
3. The method as claimed in claim 1 , wherein the gap is filled with the surface coating material under a positive pressure of approximately 0.3 bar to about 3.5 bar.
4. The method as claimed in claim 1 , wherein the liquid surface coating material comprises at least two components, with a synthetic resin as a first component and with UV-radiation-sensitive sensitizers as a second component.
5. The method as claimed in claim 4 , wherein a polyurethane-, polyester-, acrylic- or epoxy-based synthetic resin is used.
6. The method as claimed in claim 1 , wherein the surface coating material is exposed to the ultraviolet radiation through the molded part formed in a correspondingly radiation-transparent way.
7. The method as claimed in claim 6 , wherein the molded part is of a multi-part form, with a UV-radiation-transparent mold, substantially corresponding to a shape of the surface to be coated of the interior component, and with a supporting element supporting the mold.
8. The method as claimed in claim 6 , wherein a silicone material is used for the molded part.
9. The method as claimed in claim 7 , wherein a silicone material is used for the mold.
10. The method as claimed in claim 7 , wherein a UV-radiation-transparent plastics or glass material is used for the supporting element.
11. The method as claimed in claim 10 , wherein quartz glass is used for the supporting element.
12. The method as claimed in claim 1 , wherein the interior component to be coated is placed onto the molded part from above, so that the surface to be coated forms an underside of the interior component during the coating.
13. The method as claimed in claim 1 , wherein the molded part has structurings on its surface facing the interior component.