Patent ID: 8708774

Claim:
An automatic grinding machine ( 1 ) for end mills ( 7 ) for wood, which is programmable with optical reading of geometric features and for computerized sharpening, is compact, is configured to be mounted in a fixed manner on a workbench or on an adapted trolley to be easily movable in work departments comprising: a computerized programmable system according to ISO standard for computer numerical control (CNC) operation said computer programmable system comprising operating software; a keypad having a display, which is fixed on a body of the automatic grinding machine, said computerized programming system being configured to actuate in cooperation and coordination a first, second and third assembly of the automatic grinding machine; a first assembly ( 5 ) configured to provide automatic optical reading, said first assembly being mounted on an arm movable from an inactive position ( 3 ) to an active position proximate to an end mill to be sharpened, wherein once geometric features of said end mill have been detected, said geometric features are processed by the computerized programmable system, which actuates movements of the second and third assemblies; a second assembly ( 6 ) configured to support the end mill ( 7 ) in a horizontal position, in longitudinal relation to the automatic grinding machine, said second assembly being configured to advance and simultaneously rotate the end mill along an axis thereof; and a third assembly ( 10 ) configured to support a cup grinding wheel ( 11 ), said third assembly being mounted on a vertical movable frame ( 9 ) positioned on a circular base ( 8 ) that is rotatable on a horizontal plane through 360°, so as to arrange said cup grinding wheel to the right, left, above, below, or in front of said end mill; wherein the cup grinding wheel is equipped so as to be adjusted in three spatial directions of space by means of three knobs ( 13 , 14 , 15 ) which are connected to adapted micrometric screws.