Apparatus for producing objects using generative method, e.g. selective laser sintering, has system for generating mist of fluid between electromagnetic component and process chamber

摘要

Apparatus for producing objects using a generative method, e.g. selective laser sintering, comprises: (A) a process chamber (1) in which the object is built in stages; (B) a system for applying powder (3, 4) in layers to a target surface (2) in the process chamber and melting it; and (C) a component which transmits electromagnetic radiation into the process chamber or detecting radiation from it. A mist of heated fluid is generated between the electromagnetic component and the process chamber. An independent claim is included for a method for producing objects using a generative method in which layers of material are applied to a target surface and melted, electromagnetic radiation being fed into the process chamber or the temperature of the surface being measured by detection of the radiation from it.