MACHINE TOOL

摘要

Machine tool, comprising a base (1) with a bottom (10) and a peripheral wall (11) of predetermined height to delimit an internal volume of predetermined capacity and open at the top, in which on the upper edge of said wall (11) is placed, removably, a pierced cover (2), or a work-piece carrier surface provided with through holes (20) through which a refrigerant liquid is free to fall, and wherein an electric motor (4), on which is engaged a tool holder (7), is placed in said inner volume, and wherein said electric motor (4) is inserted in a protection chamber (5) which protects it from the refrigerant liquid passing through said holes (20). The electric motor (4) is connected to corresponding lowering and lifting means, by means of which the tool holder (7) is lowered and raised accordingly, so producing the lifting and lowering of a respective tool (3) through the cover (2).

主权项

1. A machine tool, comprising
a base comprising a bottom and a peripheral wall of predetermined height to delimit an internal volume of predetermined capacity and a top of the base being open; a pierced cover, or a work-piece carrier surface provided with through holes through which a refrigerant liquid is free to fall, the pierced cover or the work-piece carrier surface being placed on an upper edge of said peripheral wall; an electric motor, on which is engaged a tool holder, the electric motor being placed in said internal volume, wherein said electric motor is inserted in a protection chamber which protects the electric motor from the refrigerant liquid passing through said holes, said electric motor being connected to corresponding lowering and lifting means for lowering and lifting the tool holder such that a respective tool is lowered and lifted through the pierced cover or the work-piece carrier surface.