An Engraving Machine and Method for Engraving Building Material Articles, Preferably Slabs

A machine for engraving building material articles, preferably slabs, comprising:

• a working plane (2) on which, in use, at least one building material article (S) rests, and defining a working area having a predetermined width (W);
• an engraving device (4) facing the working plane (2) and provided with at least one reservoir (7a, 7b) for containing an abrasive particulate material (M), and an array (8, 9) of nozzles (11, 12) for delivering said abrasive particulate material (M) configured for making a predetermined engraving path (E) on said article (S);
• moving means (5) configured to determine a relative sliding between said working plane (2) and said engraving device (4) along a movement direction (A) transverse to said predetermined width (W);
• characterised in that the nozzles (11, 12) of said array (8, 9) are arranged in succession along a direction transverse to the movement direction (A) in order to fully cover said predetermined width (W), and in that it comprises a control unit (10) associated with said nozzles (11, 12) and configured to drive them independently of each other in order to adapt the engraving to the conformation of said predetermined engraving path (E).