Powder-based additive manufacturing unit comprising a brush cleaning device

Abstract

A powder-based additive manufacturing installation (10) comprises a powder layering device (14) that can be displaced along a path linking a start zone (A) and an end zone (B). The layering device (14) comprises powder smoothing means (35) for depositing powder in a powder deposition zone (P) situated between the start zone (A) and the end zone (B). The installation furthermore comprises a cleaning device (60) situated on the path of the layering device (14), the cleaning device (60) comprising a brushing device (62) for brushing at least one surface of the powder smoothing means (35).

Dependencies are inferred from the claim text.