Abstract: In a robot (1) for gripping and/or holding objects (2), in particular workpieces, tools or carrier parts, the robot comprising: at least one robot arm (3, 4, 5) which is supported on a support frame (19) and is movable in space in at least one translational and/or rotational degree of freedom, a gripping and/or holding device (6), on which the respective object (2) is supported in a positionally oriented manner and/or held in a rotational arrangement, at least one electric motor (9) provided in the gripping and/or holding device (6), by means of which a torque and/or a clamping force is generated which acts on the object (2), and a drive shaft (24) mounted in the robot arm (5), which is coupled in a driving manner to the gripping and/or holding device (6), preferably in such a way that the gripping and/or holding device (6) rotates about its own longitudinal axis (6?), the gripping and/or holding device (6) arranged at the free end of the robot arm (5) should be freely movable in space, so that rotation a

Abstract: In a clamping fixture 1, in particular a vice, with a housing (2) in which a guide track (10) is provided and with at least one base jaw (3, 4) to each of which a clamping jaw (6, 7) can be attached, the cavities or air gaps (21) between the inner wall of the guide grooves (10) and the base jaws (3, 4) should be completely covered. This is achieved in that a seal (11) is inserted into each of the air gaps (21) existing in the housing 2 between the base jaw (3, 4) and the inner wall of the guide track (10) as well as in the parting plane between the base jaws (6, 4) and at the face ends (16) in the area of the guide track (10) running there, and that the particular seal (11) is held in a specified position by means of a support strip (12).

Abstract: A device (1) for controlling operation of a chuck (2), the device (1) comprising a chuck (2) for centering a workpiece (3) to be machined; at least one electric motor (6) connected to at least one moveable clamping jaw (4), the at least one movable clamping jaw (4) being configured to be selectively moved by the at least one electric motor (6); a first inductive transmission device; a second inductive transmission device (8) disposed in alignment with the first inductive transmission device (7) such that measurement signals and/or electric power are inductively transmitted between the first transmission device (7) and the second transmission device (8); and an external control device (11) by means of which command and monitoring data required for the operation of the at least one clamping jaw (4), and for the operation and locking of the electric motors (6) can be entered and/or read.

Abstract: A zero-point clamping device for centering an object (2), the device comprising: a housing (4), a receiving opening (5), and two opposite clamping slides (7, 8) mounted axially displaceably in a bore (9) in the housing (4), which open into the receiving opening (5) during clamping and act on the object (2) to center it, wherein clamping is achieved by an actuating element (11) rotatably mounted in the housing (4), the axis of rotation (12) of which runs parallel to the clamping slides (7, 8), a through-opening (13) aligned perpendicularly to the clamping slides (7, 8), and a pivot pin (14, 15) inserted into the through-opening (13), one free end (16) of which engages in a guide groove (18) in a driving arrangement, and the opposite free end (17) of which is inserted into an abutment (21) associated with the housing (4) and is held in a tilting arrangement.

Abstract: A fixture to hold a workpiece comprising, among other things, a housing having a passage opening into which a clamping pin is inserted for supporting the workpiece; a driving ring mounted in the housing; and at least two locking pins facing the axis of the opening, mounted radially in the housing so as to be able to move, wherein the clamping pin is locked in the opening of the housing when the locking pins are moved toward the axis, and released from the passage opening of the housing when the locking pins are moved away from axis; wherein, a control surface with at least two different pitches is worked onto an inside of the driving ring, and a contact surface is worked onto an inner wall of the driving ring so as to permit movement of the locking pins by rotation of the driving ring.

Abstract: A device for clamping a workpiece comprises a chuck body and a drive fastened thereto, and at least one clamping jaw, which is coupled to the drive in a driveable arrangement either directly or via intermediate elements and which is or are held movably in or on the chuck body in the direction of the workpiece. This is achieved by providing a free space between the chuck body and a clamping jaw carrier accommodating the clamping jaw, in that an elastically deformable sleeve is inserted in the free space, which sleeve rests on the outside of the chuck body at two positions spaced apart from one another, and in that a pressure chamber is created between the chuck body, the sleeve, and the two support positions into which a medium can be filled, whereby to bulge the latter in the direction of the clamping jaw carrier between the support positions.

Abstract: A chuck for supporting rotationally symmetrical workpieces to be machined, comprising a chuck body having at least three guideways worked into its end face running in the direction of the longitudinal axis of the chuck, at least three clamping jaws inserted individually into each of the guideways in a movable arrangement, and a driving means in a driving connection with the clamping jaws directly or via intermediate elements, with each of the clamping jaws of the chuck being adjustable during machining using driving means configured as an electric motor, with each clamping jaw having an electric motor arranged inside the chuck body, and when the chuck is stationary, the electric motors are electrically connected to a power source by means of a plug-and-socket connection and electrical cables, and/or when the chuck is rotating or at a standstill each electric motor is connected to the power source via an induction device.

Abstract: A transmission arrangement such as for energy and/or signal transmission, optionally for use in a machining center, respectively a turning and/or milling center, comprising a clamping unit comprising an outer housing of a preferably cylindrical basic shape, an inner housing received within the outer housing, as well as an inner cylinder held within the inner housing to be adjustable in an actuating direction A, said inner cylinder being configured to transmit a compressive or tensile force for clamping purposes, wherein the inner housing is supported against the outer housing via springs, and is displaceably mounted in the actuating direction A with respect to the outer housing and thus forms a spring force storage, wherein an electric motor is arranged integrated within the clamping unit to apply force in the actuating direction A to the inner cylinder via intermediate gear means, a console having a rotary table mounted therein to be rotatable, at least one first transmission device connected to the console

Abstract: A steady rest (1) for centering a rotationally symmetrical workpiece (2) in relation to a longitudinal axis of a processing machine, having, two housing shells (4, 5) separated by a distance from one another and connected together, an actuating piston (7) mounted in an axially moving arrangement in the housing shells (4, 5) which acts on the workpiece (2), three steady rest arms (8, 9, 10) mounted to the two housing shells (4, 5) in a swiveling arrangement by a bearing pin, and configured to move in concert so as to clamp the workpiece, wherein the clamping forces actually occurring on the steady rest arms (8, 9, 10) can be registered reliably using a force measuring device (21) provided on at least one of the two steady rest arms (8, 9), and passed onto an evaluation device (22).

Abstract: In a steady rest (1) for centring a rotationally symmetrical workpiece (2) in the space, consisting of: two housing halves (4, 5) arranged at a distance from one another and firmly connected together, a middle steady rest arm (6) arranged between the two housing shells (4, 5) that is mounted in the housing shells (4, 5) by means of an actuation piston (7) so as to be moved in an axial direction (3) towards the workpiece (2), and two outer steady rest arms (11, 12) that are in a driving connection with the middle steady rest arm (6) by means of a guide slide (13) which has a control track (14) on two opposite outside sides, on which a roller (16) attached to the free ends (15) of both outer steady rests (11, 12) is arranged which roll along the control track (14), workpieces (2) with different diameters should be held in the space.

Abstract: In a steady rest (1) for centering a rotationally symmetrical workpiece (2) in the space, consisting of: two housing halves (4, 5) arranged at a distance from one another and firmly connected together, a middle steady rest arm (6) arranged between the two housing shells (4, 5) that is mounted in the housing shells (4, 5) by means of an actuation piston (7) so as to be moved in an axial direction (3) towards the workpiece (2), and two outer steady rest arms (11, 12) that are in a driving connection with the middle steady rest arm (6) workpieces (2) with the largest possible diameters should be held centerd in the space by the steady rest (one), while retaining the greatest possible movement of travel of the actuation piston (7).

Abstract: A clamping unit, in particular for use in a machining center, or a turning or milling center, wherein the clamping unit comprises an external housing (12), preferably having a cylindrical basic design, an internal housing (15) accommodated in the external housing (12), and an internal cylinder (11) that is retained in the internal housing (15) such that it can be displaced in a vertical adjustment direction A when in the operating state, which is designed for transferring a pressure or tensile force for clamping purposes, wherein the internal housing (15) is supported in the external housing (12) by means of springs (13, 14), and is supported with respect to the external housing (12) such that it can be displaced in the adjustment direction A, and thus forms a spring force storage unit (21), and wherein an electric motor (16) is disposed inside the clamping unit, integrated therein, preferably encompassed by the external housing (12), furthermore, preferably accommodated inside the internal housing (15), in o

Abstract: In an electrical plug-and-socket device for transferring electrical energy from an external source of current to an electrical load arranged in a body, preferably in a chuck body of a chuck, in particular an electrical drive motor for actuating the clamping jaws of the chuck, consisting of: —a socket possessing at least two accommodation openings, a body and an electrical load arranged therein, each of which is connected to the source of current via an electrical cable and of at least two plugs connected to the load by one electrical cable each, with the plugs arranged in the body and coupled to the particular accommodation openings of the socket during the electrical energy transfer, and in which the plugs can be removed from the accommodation openings following the energy transfer, and automatic plug-and-socket connection should be created.

Abstract: A chuck for a machine tool for supporting rotationally symmetrical components, the chuck being adapted to prevent contamination of a guide groove area, wedge rods and the chuck body, in any operational position of the clamping jaws of the chuck.

Abstract: A transmission arrangement such as for energy and/or signal transmission, optionally for use in a machining center, respectively a turning and/or milling center, comprising a clamping unit comprising an outer housing of a preferably cylindrical basic shape, an inner housing received within the outer housing, as well as an inner cylinder held within the inner housing to be adjustable in an actuating direction A, said inner cylinder being configured to transmit a compressive or tensile force for clamping purposes, wherein the inner housing is supported against the outer housing via springs, and is displaceably mounted in the actuating direction A with respect to the outer housing and thus forms a spring force storage, wherein an electric motor is arranged integrated within the clamping unit to apply force in the actuating direction A to the inner cylinder via intermediate gear means, a console having a rotary table mounted therein to be rotatable, at least one first transmission device connected to the console

Abstract: A chuck assembly for supporting cylindrically shaped workpieces to be machined at their ends, the assembly comprising a body having a passage in its lengthways axis, a driving for providing an actuation force absorbed by an actuating pin axially movable in the body, a guide hole in the body having the actuating pin therein, and centring jaws, mounted in a guide groove in the chuck body and moveable radially toward the workpiece, each in a driving arrangement an actuating pin. A roller provided on the driving means facing the actuating pin, a contact surface is on a free end of the pin at right angles to the lengthways axis of the chuck body. The contact surface and the roller interacting such that forces of driving means transfer onto the contact surface axially, and simultaneously a movement at right angles to the lengthways axis of the chuck body is released between the contact surface of the actuating pin and the roller.

Abstract: A manually operated chuck for machining of rotationally symmetrical workpieces, the chuck comprising: a base body, attached to clamping jaws radially movable on the base body for securing the workpiece and in which an opening extends at right angles to a longitudinal axis of the base body; a threaded spindle movably mounted in the opening and accessed from outside to change the position, thereof; a wedge bar in the base body proximate the spindle, the wedge bar being connected to the spindle and a clamping jaw in a shape-locking arrangement; a driving ring rotationally mounted in the base body and connected to the threaded spindle and to one of the wedge bars with play between the threaded spindle and driving ring, and/or the threaded spindle and a wedge bar, and/or between the driving ring and wedge bars of the clamping jaws, the workpiece disposed concentrically to a longitudinal axis of the chuck.

Abstract: A steady rest for centering a rotationally symmetrical workpiece in a space comprises: two housing halves arranged at a distance from one another and connected together, a plate-shaped middle piece arranged between the two housing halves, the middle piece mounted in the housing halves by means of an actuator piston so it can be moved in an axial movement direction to the workpiece, two linear guide grooves disposed in both opposite end faces of the middle piece, with the linear guide grooves running in a cross-shaped arrangement and at an angle to the movement direction of the middle piece, two outer steady rest arms, each of which has its free ends mounted in each of the linear guide grooves of the middle piece in a movable arrangement, and a middle steady rest arm attached to the middle piece between the outer steady rest arms.

Abstract: A steady rest for centering a rotationally symmetrical workpiece in a housing, a guide slide axially adjustable in the housing, an actuator rod in a form-locking connection with the guide slide, and two control surfaces opposite one-another on the guide slide and configured so that the guide slide has a triangular cross-sectional contour, one tip pointing towards the workpiece and the opposite two tips point in toward the actuator rod, a middle steady rest arm in driving connection with the actuator rod, and two outer steady rest arms each on a side next to the middle steady rest arm, and mounted in a swivelling arrangement in the housing, the first free end of which is in contact with a control surface of the guide slide, the second free end gripping the workpiece, forming a three-point mounting with the middle steady rest arm adapted to hold the workpiece.