An automated machining apparatus has a lathe, a mill, and a workpiece holder that holds a plurality of workpieces to be machined. The workpiece holder includes a rotatable turret that has a plurality of workpiece mounting positions for mounting the plurality of workpieces to be machined to the rotatable turret. A controller in operable communication with the workpiece holder is operable to rotate the rotatable turret sequentially through different workpiece mounting positions according to program instructions that define machining operations to be performed on the plurality of workpieces.

A CNC single-turret twin-spindle efficiency-doubled metal processing machine includes: a chassis having a Z-axis mounting surface and a Y-axis mounting surface perpendicular to the Z-axis mounting surface; a spindle driving source mounted on the Z-axis mounting surface of the chassis; a first spindle unit arranged on the Z-axis mounting surface of the chassis and coupled to the spindle driving source; a second spindle unit arranged on the Z-axis mounting surface of the chassis and coupled to the spindle driving source so that the spindle driving source is operable to simultaneously drive the first spindle unit and the second spindle unit to do reciprocal movement on the same axis for approaching and leaving; a turret unit mounted on the Y-axis mounting surface of the chassis and including a plurality of clamp groups arranged at predetermined angles. Each of the clamp groups includes two tool clamps that respectively clamp two identical tools.

A machine tool for machining workpieces, wherein the machine tool has a first spindle assembly and at least one second spindle assembly each having at least two working spindles which are arranged in a common spindle housing and on which in each case a machining tool for workpiece machining is arrangeable, wherein the machine tool has a workpiece holding device for holding workpieces for the purpose of workpiece machining by way of the machining tools, wherein the machine tool has a guide arrangement for the relative positioning of the workpiece holding device holding the workpieces and the first and the at least one second spindle assembly for workpiece machining.

In the machine tool 2, two or more machine tables 5 are movably provided on the linear way 4 of the machine base 2, the pinion gear 14 is engaged with the rack 13 of the machine base 3, and the feeding movement of each table 5, the pinion gear 14 is driven by a feed motor 15 mounted on each table 5, and the feed motor 15 is controlled by the table control unit 21 so that the table 5 is fed and moved. In the table independent mode, the movement of the table 5 is independently controlled, and in the table linkage mode, the feeding movements of two or more tables 5 are controlled in the same direction at the same speed and in the synchronous state as the same movement amount.

A processing machine for the production of a dental workpiece from a blank, comprising a housing in which a first chamber and a second chamber are arranged, the second chamber being separate from the first chamber, a first holding device for a blank, the first holding device being arranged in the first chamber and being movable relative to the housing, a second holding device for a blank, the second holding device being arranged in the second chamber and being movable relative to the housing, and a processing device being movable relative to the housing, wherein a blank held in the first holding device and a blank held in the second holding device can be processed by the processing device.

The invention relates to a method for creating or machining gears on workpieces (W1, W2), in which a rolling first machining engagement between a machining tool (WF; WS) that is driven about its rotation axis (B) and a first workpiece that is rotatable about the rotation axis (C1) of a first workpiece-side spindle (11) is realized at a first location on a gear-cutting machine (100; 200) by means of a tool-side spindle drive motor (22), and in which a second machining engagement is realized at a second workpiece, different from the first workpiece, that is rotatable about the rotation axis of a second workpiece-side spindle (12) that is different from the first workpiece-side spindle, wherein the machining tool can execute, relative to the first workpiece-side spindle, a movement, serving as an axial infeed movement in the first machining engagement, along a tool-side machine axis (Z) that has a direction component in the direction of the first workpiece-side spindle axis and in particular extends parallel thereto, wherein, after the first machining engagement, a tool-side positioning movement that takes place along this tool-side machine axis and allows the second machining engagement is carried out, wherein the second machining engagement is a machining engagement that is identical to the first machining engagement in terms of type of machining, is effected using the same tool-side spindle drive motor as in the first machining, and is carried out in the gear-cutting machine at a second point that is different from the first point.

The machine tool (1) includes: at least one work head (9) adapted to support at least one tool (21); at least one workpiece holder (30) comprising at least two substantially parallel beams (31) arranged at a distance adjustable orthogonally to the longitudinal extension of the beams; on each beam (31) at least one carriage (35) movable along the longitudinal extension of the beam (31); on each carriage (35) a suction cup (39) for blocking the workpieces (P) to be machined.

The position of each suction cup (39) with respect to the carriage (35) onto which the cup is mounted is adjustable by rotating around an axis (D-D) which is substantially orthogonal to a blocking surface, for blocking the workpieces, defined by the suction cups (39). To each suction cup (39) an actuator (46, 48) is associated, controlling the rotation of the suction cup (39) with respect to the carriage (35) onto which the cup is mounted.

A rail processing device (1) comprising at least a first (3A) and a second work station (3B) provided on a common frame (30), and configured to alternately lock a rail (2) when the latter is being processed, each work station (3A, 3B) comprising at least a first magnetic anchorage plane (4) configured to cooperate with a web (2A) of the rail (2) when the latter is being processed in the respective station, and a transport system (50A, 50B) to move the rail (2) from the first work station (3A) to the second work station (3B) and vice versa.

Two cylinder heads are disposed side by side. Upper side intake valve holes of one of the cylinder heads and upper side exhaust valve holes of the other of the cylinder heads are simultaneously machined by a multi-spindle head integrally including intake side tools and exhaust side tools. After moving the one of the cylinder heads upward by a pitch of the intake valves and moving the other of the cylinder heads upward by a pitch of the exhaust valves, remaining intake valve holes of the one of the cylinder heads and remaining exhaust valve holes of the other of the cylinder heads are simultaneously machined.

A machine tool for the computer-controlled machining of workpieces includes a machine stand and at least two clamping devices which are maintained next to each other in an adjusting and mobile manner, at least one tool receiving element being formed with one of the clamping devices and at least one tool receiving element being formed with the other clamping device. The clamping devices are maintained in an adjusting and mobile manner in the machine stand by a rotating mechanism including at least two rotational axes which are connected in series and which intersect each other. At least one linear guide is embodied between at least one of the clamping devices and the machine stand.