B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21D53/00—Making other particular articles
B21D53/86—Making other particular articles other parts for bicycles or motorcycles
B—PERFORMING OPERATIONS; TRANSPORTING
B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
B23B—TURNING; BORING
B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
B23B5/36—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes
B23B5/38—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor for turning specially-shaped surfaces by making use of relative movement of the tool and work produced by geometrical mechanisms, i.e. forming-lathes for turning conical surfaces inside or outside, e.g. taper pins
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Milling, Broaching, Filing, Reaming, And Others
(AREA)
Procede d'avance automatique ou semi-automatique d'un chariot pousseur d'une coupeuse de tubes a un ou deux couteaux et dispositif pour la mise en óoeuvre de ce procede.