Abstract: The invention relates to a tridimensional multifunction plotter, comprising a support of a tool which can move with a high precision following a predetermined tridimensional surface.The mobile part of the machine comprises a multifunction head to which several devices like laser distance measuring devices, digital and analogic probes for the surveying and digitizing of a bidimensional and/or tridimensional surface, or tools of various kinds for making a tridimensional model starting from a surface defined through a CAD system.A hardware-software subsystem is provided, parallel connected with the CPU of the machine, to obtain an integrated system which allows a direct connection of the machine with a CAD system so allowing the operator to input the various working parameters directly to the plotter, without the need of an external processing the data file generated by the CAM system, to convert it into a file compatible with the numeric controls of the machine.

Abstract: An operating head for automatic machine tools consists of a fork (2) having a shaft (6) rotatably mounted to a support arm (1) for rotating around an axis (C). A motor chuck (5) is rotatably mounted between the arms of the fork and rotates around an axis (A). Axis (A) is orthogonal to axis (C). Drive systems (10,9,8) control the rotation of the fork (2) around the axis (C) by directly engaging the shaft (6). In order to transmit rotational motion for the fork (2) around support arm (1) and for the positioning motion of the motor chuck (5), a hypoid toothed crown wheel (8,13) and pinion (9,14) are used.