25results about "Machine tool components" patented technology

In a method for switching a workpiece, which is fixed on a pallet, after one workpiece side has been machined in a horizontal machine tool, the pallet is brought into a transfer position in which the machined side of the workpiece faces in a direction toward a pallet support, an additional pallet is provided there, and the workpiece is transferred, with the machined side first, onto a clamping apparatus of the additional pallet and is guided back into the tool with the additional pallet. In a system for switching, the pallet support has a positioning device by means of which the semi-machined workpiece can be transferred, with the machined side first, to a clamping apparatus of the additional pallet.

The present invention relates to a tool holder as a spindle insert for insertion into a clamping element of a motor spindle, the tool holder comprising: a housing unit; a spindle unit arranged in the housing unit and comprising a drive element and a shaft element rotatably mounted on the drive element, the spindle unit being operatively coupled to the drive element and having a holding element for holding a tool; an energy storage unit arranged on or in the housing unit for supplying the drive element; and a control unit arranged on or in the housing unit for controlling the drive element.

CNC machining apparatus (10) with a machining head (11) configured to be equipped with a tool holder (19) and provided with an axis of rotation (C) controlled by the numerical control, and a tool holder storage (12) with a body (13) that is rotatable around an axis (C1) and that comprises at least two housing seats (14-18) to house at least two tool holders (19-23) each equippable on said machining head (11), in which the tool holder storage (12) and the machining head (11) are mutually movable; the apparatus (10) further comprises coupling means (24,25) to removably couple in rotation the machining head (11) and the body (13) so as to transform a rotary movement of the machining head (11) around the axis of rotation (C) in a rotary motion of the body (13) around the axis (C1).

A cartridge includes a rotation body, a roller gear cam, a first motor, and a support component. The rotation body includes a bearing and a mounting portion on which a table configured to support a workpiece is mounted. The rotation body is rotatable about a first axis. The roller gear cam transfers drive power to the bearing to rotate the rotation body about the first axis. The first motor drives the roller gear cam. The support component is mountable on a tilt base in a state in which the support component is supporting the rotation body, the roller gear cam, and the first motor. The tilt base is tiltable about a tilt axis.

The machine tool (1) comprises a load-bearing structure (3) and a working head (9). The workpieces are supported and clamped on a support and clamping system (21) which includes a series of support beams (27) parallel to each other. The working head (9) and the support and clamping system (21) are movable with respect to each other according to a plurality of numerically controlled axes (X, Y, Z). Each beam (27) comprises at least one mechanical clamping member (33) retractable approximately to the level of an upper surface (28) of the respective beam (27).

A chuck soft jaw includes a base, a first holding surface and a second holding surface. The base is configured to be supported by a chuck main body rotatable around a center axis so that the chuck soft jaw is rotatable around the center axis together with the chuck main body and movable in a first direction away from the center axis and in a second direction toward the center axis. The first holding surface is configured to hold a first surface of a workpiece. The second holding surface is configured to hold a machined surface of the workpiece. The first holding surface has a hardness higher than a hardness of the second holding surface.

Cooling medium from a main shaft (20) of a machine tool (10) is pressurized by a pump (300) and led to a nozzle (242) via a second case passage (222). A relief valve (500) is also connected to the second case passage and discharges cooling medium from an outlet port (511b) when the cooling medium pressure within the second case passage exceeds a pressure set value (Ts). At a prescribed rotational speed (Ns), the pump discharges cooling medium, at a prescribed pressure (Tr) that is higher than the pressure set value (Ts), from an outlet port (302) of the pump. The cross-sectional area (S2) of an outlet port (511b) of the relief valve is smaller than the cross-sectional area (S1) of an inlet port (511a) thereof. Therefore, at the prescribed rotational speed, a change of the discharge state of the cooling medium from the outlet port (511b) is visually observable.

The invention relates to a workpiece table (1) for a machine tool, comprising a base support (11) having a machine interface (15, 16) designed for coupling with a machine frame of a machine tool, and having a support receptacle (19) for coupling with a workpiece carrier (51), and a workpiece carrier (51) comprising a support body (52), an auxiliary mass (53) and a pull piece (54), wherein the support body (52) is provided on a top surface (71) with a workpiece receptacle (56) for clamping a workpiece and on a bottom surface has a coupling section (59) for coupling with the support receptacle (19), wherein the auxiliary mass (53) is mounted linearly movable on a contact surface (61) of the support body (52) and wherein the pull piece (54) is designed for normal force transmission between the support body (52) and the auxiliary mass (53), wherein the auxiliary mass (53) has a variable-size contact area (62;74) with the contact surface (61) such that the auxiliary mass (53) and the contact surface (61) form an auxiliary mass damper with adjustable damping effect.;

The invention relates to the construction of certain parts of an electrolysis cell stack and to a tool designed to support these parts while they are being machined. The tool according to the invention is characterised in that there is a double plate support by means of which it is not necessary to turn the blank during machining.

The invention relates to a single- or preferably multi-spindle machine tool (1) with at least one five-axis machining unit (28.1) by means of which a work spindle is linearly movable in the direction of a first to third linear axes (X, Y, Z) and pivotable about a first and second pivot axes (36, 37). In order to optimize the machine tool (1) for machining particularly large-volume workpieces, it is proposed that the work spindle (13) be mounted eccentrically at a distance (E) from the first and second pivot axes (36, 37).

A tool turret with a main body (10) which is attached or is to be attached to a machining tool and has a turret axis (14), about which a tool disc (18) is mounted on the main body (10) rotatably by means of a drive (16), which tool disc (18) has a plurality of tool stations (20) which are distributed on its periphery and can each be moved into at least one working position (24) by rotation of the tool disc (18) and subsequent fixing of the latter, wherein a lubricating means (58) has at least two lubricant feed lines (60, 62) which are separate from one another and are each connected to a transmission chamber (34, 38) of an associated transmission (32, 36) in such a way that the respective transmission (32, 36) can be supplied optionally with identical or different lubricants in the feed line (64, 65), and that at least one lubricant outlet line (66, 68) opens into one of the transmission chambers (38), into which lubricant flows from both sides of the two transmissions (32, 36) in the return line (70).

Grinding head for a grinding machine with at least two tool spindles, each of which is assigned at least one grinding tool, wherein the grinding tools are designed to machine a workpiece, During the machining of the workpiece, a relative movement can occur between the grinding head and the workpiece. the grinding head can be pivoted about a pivot axis and at least one of the tool spindles can be pivoted independently of a pivoting of the grinding head about another pivot axis.

The invention provides a clamping device 100 for use in a machine tool, wherein the clamping device 100 is configured for clamping a workpiece 2000 and comprises a base body 1 and at least one clamping unit 2 movable relative to the base body 1. The clamping unit 2 itself comprises a positioning body 21 and a clamping body 22, wherein the clamping body 22 is configured to come into contact with a workpiece 2000 to be clamped. The positioning body 21 of the clamping unit 2 is movably mounted on the base body 1 along a positioning direction, wherein the clamping device 100 comprises a traversing mechanism 4 for implementing a positioning movement of the clamping unit 2, by means of which the positioning body 21 is movable relative to the base body 1 along the positioning direction in order to position the clamping unit 2 for subsequent clamping of the workpiece 2000.The clamping body 22 is movably mounted on the positioning body 21 along a clamping direction, wherein the clamping unit 2 comprises a pneumatically operated and / or hydraulically operated clamping actuator 23 for implementing a clamping movement of the clamping unit 2, via which the clamping body 22 can be moved relative to the positioning body 21 along the clamping direction in order to clamp the workpiece 2000.

The invention relates to a tool turret, provided in particular for use in a machine tool and for an automated tool-change process, it being possible, in at least one workstation (7) of a pivotable tool plate (5), for a holder (9), provided for receiving a machining tool (15), to be releasably fixed in each case to the tool plate (5) by means of a clamping device (31) associated with the relevant workstation (7), it being possible for the relevant clamping device (31) to be activated or deactivated in an adjustment position (57), which differs from the working position (11) of the tool plate (5), while leaving the holder (9) on the tool plate (5), and, in a change position of the tool plate (5), which differs from the working position (11) and the adjustment position (57), the clamping device (31) in question releasing the holder (9) such that said holder can be removed from the tool plate (5) and can be replaced by a different holder (9) that is to be introduced.

The invention relates to a rotary device for receiving at least one machining and / or handling unit. The essential aspect of the present invention is to provide a rotary device for receiving at least one machining and / or handling unit, comprising a rotating body rotatably arranged about a rotational axis for receiving the at least one machining and / or handling unit. The rotating body can be engaged with a helical drum cam via several drivers to initiate a rotary movement. Furthermore, a drive is provided that directly or indirectly drives the drum cam about a drum axis. According to the invention, the rotating body has at least one drive part and an output part rotatable about the rotational axis relative to the drive part, wherein the drive part is detachably coupled to the output part via at least one clamping device.

A tool turret, in particular a tool disc turret, with a tool drive (48) which can be operated by means of a transmission (50) by a motor (36) on the drive side (40) and is equipped with a lubricating means (52) for the transmission (50), characterized in that the lubricating means (52) has at least two structurally different types of lubricant feed lines (54, 56, 60) and at least one outlet line (62) which are connected at a transmission chamber (64) to the transmission (50), with the result that different types of lubrication can be realised as required using only one lubricating means (52) for the transmission (50).

The present invention provides a machining tool that operates smoothly, has high accuracy and precision, can handle loads from small to large, can fix the tilt direction, improve the centering performance of the tilted shaft, and significantly improve the wear of the tilt support structure. The machining tool of the present invention includes an upper shaft (1) attached to the upper level device, through which torque is transmitted; a tilting device (3) connected to the end of the upper shaft (1), which includes a fixed yoke (3a) and a tilting yoke (3b), and is provided with a pin (3dx) that rotates the tilting yoke (3b) in one direction and a pin (3dy) that rotates the tilting yoke (3b) in a direction opposite to the one direction; a main drive shaft (4) having an upper end provided with a tilt plate (7) connected to the tilting yoke (3b); a retainer (5) inserted into the end of the main drive shaft (4), the retainer (5) having a cutting tool (6) attached thereto; and a tilt support structure (5) in contact with the bottom surface of the tilt plate (7) for supporting the tilted tilt plate (7) through steel balls (12).

The present disclosure comprises a manual workstation for workpieces, comprising a manual workplace, a rotary table rotatable by means of a rotary axis, which is arranged at the manual workplace, wherein the rotary axis has a drive, a control unit for controlling the drive of the rotary axis, and operating elements for operating the manual workplace. It is provided that the operating elements comprise a first and a second operating arrangement, which are fixed in place and arranged separately from one another on the manual workstation, wherein the rotary axis is rotated in a first rotational direction by actuating the first operating arrangement and in a second, opposite rotational direction by actuating the second operating arrangement.

An outer cylinder unit (20) of a turret device (1) has a cylindrical housing space (24) in a front side thereof and has a coolant discharge flow path (22) opened as a connection port (22a) in an inner peripheral surface (24a) of the housing space (24), and the connection port (22a) is formed at a predetermined pitch interval in a circumferential direction. A coolant supply mechanism (25) arranged on an end of a shaft unit (10) is disposed in the housing space (24) and an opening of the outer cylinder unit (20) is closed by a lid (39). The coolant supply mechanism (25) includes a reciprocating rod (30) advancing and retracting with respect to the inner peripheral surface (24a) of the housing space (24) and a shaft receiving unit (26) supporting the reciprocating rod (30). The reciprocating rod (30) has a supply hole (34, 53) opened in a distal end thereof and has an annular elastic body (50) arranged to surround the opening of the supply hole (34, 53). When the reciprocating rod (30) advances, the elastic body (50) comes into contact with the inner peripheral surface (24a) of the housing space (24) to surround the connection port (22a) in the inner peripheral surface (24a).