Abstract: In comparison with the prior art the present machine offers many important advantages. Concerning the practicalness, the working processes are simpler and there is less wear and tear in the movable parts. Concerning the construction, the present machine avoids the utilization of the conventional supporting units needed to permit an angular movement along a curved path. As is known, the said supporting units are complex and costly. The peculiarity of the present invention is that a head holding unit (1) comprises a plurality of motorized spindles provided with respective polishing tools or grinders (3) and is mounted at its two ends on fulcrum-type supports (4). In the present case, the supports (4) are horizontal shafts disposed on ball bearings.

Abstract: The template device according to the present invention permits to determine the procedure for an angular displacement of the diamond milling cutter heads in respect to the size of the slab to be worked, and precisely the slab thickness, in order to obtain the same profile of the template. The lower part of the template (1) is orthogonal to the direction of feed of the slab (4) and forms a base (5) which is provided with coupling means which permit the coupling with the supporting frame (6) of the slab border polishing machine in the feed sector of the slab itself. The said coupling means which permit the coupling with the supporting frame or bracket (6) may be screws or other similar coupling means. The said template (1) cooperates with contact elements such as a sliding block (7) or the like which are arranged on the delivery side of the shaft of a spindle (8) which is equipped with a diamond milling cutter (9).

Abstract: The template device according to the present invention permits to determine the procedure for an angular displacement of the diamond milling cutter heads in respect to the size of the slab to be worked, and precisely the slab thickness, in order to obtain the same profile of the template. The lower part of the template (1) is orthogonal to the direction of feed of the slab (4) and forms a base (5) which is provided with coupling means which permit the coupling with the supporting frame (6) of the slab border polishing machine in the feed sector of the slab itself. The said coupling means which permit the coupling with the supporting frame or bracket (6) may be screws or other similar coupling means. The said template (1) cooperates with contact elements such as a sliding block (7) or the like which are arranged on the delivery side of the shaft of a spindle (8) which is equipped with a diamond milling cutter (9).

Abstract: In comparison with the prior art the present machine offers many important advantages. Concerning the practicalness, the working processes are simpler and there is less wear and tear in the movable parts. Concerning the construction, the present machine avoids the utilization of the conventional supporting units needed to permit an angular movement along a curved path. As is known, the said supporting units are complex and costly. The peculiarity of the present invention is that a head holding unit (1) comprises a plurality of motorized spindles provided with respective polishing tools or grinders (3) and is mounted at its two ends on fulcrum-type supports (4). In the present case, the supports (4) are horizontal shafts disposed on ball bearings.