A C-axis unit for a machine tool, the C-axis unit comprising a bushing (134) adapted to be fixed to a unit support (121) of the machine tool; a head mounting platform (130) adapted to receive an operating head (40), the head mounting platform being supported by the bushing (134) and being rotatable relative to the bushing (134) around a vertical axis; a platform rotation motor (150) supported by the bushing (134) and configured to control the rotation of the head mounting platform (130); and a spindle motor (160) configured to control the rotation of a tool-carrying spindle (45) on the operating head (40) through a driving extension (163) arranged in a through-bore (133) obtained through the head mounting platform (130). The spindle motor (160) is fixed to and is rotationally integral with the head mounting platform (130).

The invention relates to a loading or unloading device (500) for use with a machine tool (100), comprising: a transport vehicle (510) that can move freely in an area; a handover unit (540) arranged on the transport vehicle (510) and having a receiving section (530) which in turn has a plurality of retaining sections arranged in a row for receiving tools (WZ) or tool interfaces (WZS) holding tools and/or workpieces; and one or more docking sections arranged on the transport vehicle (510) for docking and/or workpieces on the machine tool, in particular of a supply unit (400) of a tool and/or workpiece magazine (200) of the machine tool.

A device (10) for the automatic connection of a high speed spindle (40) to a numerically controlled machine is described, comprising a first connecting element (11) and a second connecting element (31), the first connecting element connection (11) comprising a first electrical contact element (14) and a first duct (12) for the passage of pressurized air; the second connecting element (31) comprising a second electrical contact element (34) configured to establish an electrical contact with said first electrical contact element (14) and electrically power the spindle at high speed (40), and a second conduit (32) for the passage of the pressurized air coming from the first duct (12); a method is also described for automatically sealing the first and second connecting elements (11, 31) of the device (10).

A high pressure coolant tube for receipt by a tool body that includes a coolant tube body with an annular flange adjacent to the exit body end. There is a threaded collar that has an exterior threaded surface. The threaded collar contains an interior collar bore comprising an enlarged diameter interior collar bore surface portion and a reduced diameter interior collar bore surface portion. There is an exit seal pocket defined by an exit-facing flange surface of the annular flange and a reduced diameter body section and the enlarged diameter interior collar bore surface portion. There is an entrance seal assembly pocket defined by an entrance-facing flange surface of the annular flange and a reduced diameter body section and the enlarged diameter interior collar bore surface portion. An exit seal is in the exit seal pocket. An entrance seal assembly is in the entrance seal assembly pocket wherein the entrance seal assembly comprises an entrance seal sandwiched by a pair of thermoplastic polyester elastomeric rings.

A machining tool for chip-removing machining includes a tool body and a generator assembly for harvesting electric energy to be used in the tool. At least one first component is secured to the tool body and a second component is movably connected to the tool body so as to, by moving with respect to the first component through interaction therewith, generate electric energy in the first component. The generator assembly includes an arrangement for conducting a medium flow to hit and act upon the second component for moving it with respect to the first component.

A tool rest has a base, a tool holder rotatably supported on the base, and rotatably holding a tool, a rotational mechanism rotating the tool holder, a plurality of flexible linear members in which one ends of the plurality of linear members are connected with the tool holder and a winding device connected with the other ends of the plurality of linear members, and winding up the plurality of linear members by rotating when the tool holder is rotated by the rotational mechanism.

A machine tool system including a compact air compressor configuring a compact air compressor C includes: an auxiliary air tank 40; and an air compressor body 30 connected with the auxiliary air tank 40, wherein the air compressor body 30 and the auxiliary air tank 40 are individually installed in a machine tool 20.

A clamping device includes a zero-point clamping system, which can be actuated by a working medium; a machine vice, which can be coupled to the system; and a gripping and positioning device for transporting and positioning the machine vice on the zero-point clamping system. The zero-point clamping system contains at least one coupling element and the gripping and positioning device contains a docking device having at least one docking element, which can be coupled to the coupling element, for supplying the working medium to the system. To facilitate coupling, the at least one coupling element of the system is offset parallel to a receiving opening for a clamping element on the machine vice, and the at least one docking element is positioned in such a way that it is coupled to the coupling element by retraction of the clamping element located on the machine vice into the receiving opening.

A machine tool system including a compact air compressor configuring a compact air compressor C includes: an auxiliary air tank 40; and an air compressor body 30 connected with the auxiliary air tank 40, wherein the air compressor body 30 and the auxiliary air tank 40 are individually installed in a machine tool 20.

The present disclosure relates to a turret tool post for a machine tool, the turret tool post including: a tool post body; a turret installed on the tool post body and configured to receive a plurality of tools; a drive unit installed on the tool post body and configured to provide rotational power to the turret; a rotary unit installed on a part of the turret so as to be rotated together with the turret and coupled to an optional unit; and a fixing unit installed on the tool post body and configured to be clamped with or unclamped from the rotary unit by a rotation of the rotary unit in order to allow or cut off a supply of pressure required for an operation of the optional unit.