Index-werke Gmbh Co. Kg Hahn & Tessky

Index-werke Komm.-ges. Hahn & Tessky

Index-werke Kg Hahn & Tessky

Other

Index-werke Kg

Index-werke Kommanditgesellschaft Hahn & Tessky

Index-werke Konn.-ges. Hahn & Tessky

Index-werke Komm.-ges. Han & Tessky

Helmut F Link

Walter Grossmann

Guenther Heinrich Trautmann

Gunther Trautmann

Paul Waiblinger

Guenther-Heinrich Trautmann

Dietmar F Hafla

Erich E Schafer

Bernd Walker

Anton Haberkern

Guenther Gumhold

Albert Herrscher

Gunther-Heinrich Trautmann

Edgar Schinke

In order to use moved masses which are as small as possible in a machine tool, in particular for the rotary machining of workpieces, comprising a machine frame, a tool carrier, a workpiece carrier, it is proposed to provide a parallel kinematic arrangement, which has three parallelogram guides connected in an articulated manner at one end to a receiving means for one of the carriers and at the other end to a slide and an N/C-controlled linear drive for each slide and by which the carrier arranged on the receiving means is movable relative to the machine frame in a three-dimensional movement space.

Machine tool

054637723 The invention relates to a machine tool comprising a machine frame and at least one workpiece spindle. A workpiece can be clamped in the workpiece spindle and driven for rotation about a workpiece spindle axis into defined rotary positions by means of a numerically controlled C-axis. A support is provided on which the workpiece spindle is arranged and with which the workpiece spindle can be moved relative to the machine frame and transversely to the workpiece spindle axis into at least two spindle stations stationarily arranged with respect to the machine frame. At least one tool carrier associated with a selected one of the spindle stations is provided, which comprises a transverse-slide carrier mounted on the machine frame and having a transverse slide for a tool movable in an X direction relative to the workpiece spindle located in the selected spindle station. The transverse-slide carrier is pivotable in relation to the machine frame about a pivot axis parallel to the workpiece spindle axis by means of a pivot drive in a numerically controlled manner.

In order to improve a machine tool comprising a machine frame, a drum arranged for rotation about a drum axis within a maximum angular range in relation to the machine frame and having a plurality of machining devices held on it and drives rotatable with the drum and associated with the machining devices, a stationary control and supply device for the drives and a rotary supply unit which has line systems connected, on the one hand, to the rotatable drum as well as, on the other hand, held so as to be stationary in relation to the machine frame, these line systems being free from interruptions, deformable as a result of rotation of the drum and extending in the direction of the drum axis, in such a manner that the spatial requirements for the twistable line systems in the direction of the drum axis are as small as possible it is suggested that the line systems extend into a passage in the drum close to the drum axis.

In a tool turret for a machine tool, in particular, a lathe, comprising a turret head rotatable about a turret indexing axis, the turret head tapering on either side of a diameter plane of the turret head extending perpendicularly to the turret indexing axis and having on each side of this diameter plane a circular ring-shaped row of tool stations which is concentric with the indexing axis, each of the tool stations having a tool receiving means for clamping a toolholder for a machining tool, in order to increase the machining operations which are performable with a tool turret and the machining accuracy, such a tool turret is so designed that: each tool station comprises a planar contact surface formed by the outer surfaces of the turret head for a toolholder; the contact surfaces of the two rows of tool stations define regular pyramids of identical shape which point away from one another and whose axes coincide with the turret indexing axis; each row of tool stations has at least one tool receiving means for a drivable tool, and the axis of the tool receiving means extends perpendicularly to the contact surface of the respective tool station; and two adjacent tool receiving means for drivable tools belong to different rows of tool stations and are offset from one another with respect to angle of rotation in relation to the turret indexing axis.

Tool turret for a machine tool and lathe with such a tool turret

In order to improve a machine tool comprising a machine frame with an underframe and a machine column seated on this and having a support ring, a support mounted on the support ring for rotation about an essentially vertical axis, several workpiece receiving chucks for workpieces to be machined arranged on the support, an operating area extending around the vertical axis, and a plurality of stations arranged on the machine frame in the region of the operating area, the workpiece receiving chucks being positionable in these stations during a machining cycle, such that the machine frame has as great a rigidity as possible with as expedient a construction as possible it is suggested that the machine column have a reinforcement casing fixing the support ring in relation to the underframe, this casing extending outside the operating area and surrounding it at least partially, that the reinforcement casing comprise casing supporting structure elements which are located in a casing surface extending around the vertical axis, absorb forces acting in this casing surface and transferred from the support ring in a manner rigid against deformation and are connected with one another to form a casing surface supporting structure rigid against deformation.

Machine Tool

A workpiece spindle device for a machine tool having a drivable workpiece spindle in a spindle housing and including a hydraulic oil supply device with a non-rotating housing portion connected to the spindle housing. An oil control device is connected to the non-rotating housing and communicated to the oil supply device without an oil line therebetween. An oil flow path is provided between the oil control device and a cylinder chamber of a workpiece clamping cylinder of the spindle with the oil path being free of any valve and thus substantially unrestricted to oil flow.

Workpiece spindle device for a machine tool

In order to improve a multiple-spindle turning machine comprising a machine frame, a spindle drum arranged to rotate relative to the machine frame around a drum axis having a number of work piece spindles movable in the direction of rotation, said work piece spindles being respectively provided with a work piece receiving means for a work piece, and a number of stations, comprising at least one machining station, arranged consecutively on the machine frame in the direction of rotation of the work pieces corresponding to the number of work piece spindles, in such a way that the number of tools which may be used can be increased at low expense, it is proposed that for machining the work pieces, the at least one machining station has a first and a second spindle position, which are arranged at an angular distance from one another relative to the drum axis; that the spindle drum is rotatable in such a manner that a work piece spindle with a work piece may be positioned in each of the spindle positions; and that each spindle position is provided with its own machining tool.

Multiple-spindle turning machine

A work spindle for a machine tool. The work spindle has a spindle guard tube, a clamping arrangement, a clamping force generator, which is arranged on the spindle guard tube and operates the clamping arrangement, and which has at least one first cylinder chamber enclosed by a first cylinder housing and a first piston, in such a way that a large band width of different clamping forces may be generated simply. The clamping force generator has a second cylinder chamber enclosed by a second cylinder housing and a second piston. Additionally, for operation of the clamping arrangement, both cylinder chambers are always subjected to a pressurized medium. Furthermore, to generate different clamping forces, the clamping force generator is switchable over from a first working mode, in which at least the first piston operates the clamping arrangement, into a second working mode, in which at least the second piston operates the clamping arrangement.

Work spindle

In order to improve a lathe, in particular, a multiple-spindle lathe, comprising at least one workpiece spindle arranged on a machine frame and rotatable about a spindle axis, this workpiece spindle projecting with its front end into an operating area, and a tool slide with a longitudinal slide element guided for displacement in Z-direction parallel to the spindle axis in a longitudinal guide means located outside the operating area and arranged on a slide stand of the machine frame and with a cross slide arranged in the operating area and displaceable in X-direction transversely to the spindle axis in relation to the longitudinal slide element, this cross slide being guided on a cross slide guide means arranged at a front end of the longitudinal slide element and movable by means of a cross feed gear, such that the tool slide as a whole is constructed in as space-saving a manner as possible and, in particular, requires little space in the operating area in order to create the possibility of using several tool slides on one workpiece spindle, it is suggested that the longitudinal slide element bear a cross feed motor for the cross feed gear in an area located outside the operating area and that this cross feed motor drive the cross feed gear by means of a rotary transmission element extending in a longitudinal direction of the longitudinal slide element.

Lathe

In order to improve a multiple-spindle turning machine, comprising a machine frame, a cylinder rotatable around an essentially horizontal rotational axis relative to the machine frame, work piece spindles arranged on the cylinder in respective individual positions with spindle axes, which are aligned essentially parallel to the rotational axis and which during the machining of a work piece are movable relative to the cylinder by means of linear drives in the direction of their spindle axis and independently of one another, and tools arranged on tool supports for machining the work pieces held in the work piece spindles, in such a way as to allow the respective work piece spindle to be positioned as precisely as possible in the direction of its spindle axis, it is proposed that each of the work piece spindles is allocated its own linear drive disposed on the cylinder to move it in the direction of the spindle axis, and that the work piece spindle is constantly coupled to the linear drive.

In order to improve a multiple-spindle turning machine comprising a machine frame, two cylinders arranged on opposite sides of an operating area and mounted on the machine frame to be respectively rotatable around an essentially horizontal rotational axis, machining means arranged on the cylinders in respective individual positions with central axes aligned essentially parallel to the rotational axis, and tools for machining work pieces held in at least one portion of the machining means, in such a way that it may also be used as universally as possible for other work pieces, it is proposed that the cylinders are rotatable around their rotational axis independently of one another relative to the machine frame.

Tool turret device for machine tools, comprising a turret head bearing device, to which a turret head is attached for rotation about an indexing axis, a turret head indexing device as well as locking means for the turret head, the turret head indexing device having an indexing disk similar to a Maltese cross, which is rotatable about the indexing axis together with the turret head and has a slot open at its circumference for each tool station of the turret head, and a rotarily drivable driver with a driver finger for insertion into the indexing disk slots, wherein for shortening the indexing times and saving on separate locking means the driver has at least two driver fingers arranged at equal distances from the driver axis and the indexing disk slots are equipped at their free ends with arc-shaped curves widening the slot width outwardly in such a manner that angle of rotation regions, in which the driver secures the indexing disk against any rotation, adjoin an angle of rotation region of the driver, over which this turns the indexing disk.

Tool turret for machine tools

A compact multiple-spindle machine tool has a spindle support which is rotatably mounted on a machine frame. Several work piece spindles are carried by the spindle support and may be positioned in various rotational positions when the spindle support is rotated about a rotational axis. A work piece is clamped to a spindle and can be machined by a tool in a work area. The machine frame has a bottom part which stands on a base. A stand extends upwards from the base to carry the spindle support. The work piece spindles are arranged in spindle positions around the stand. The working area for machining the work pieces which are held by the work piece spindles are also arranged around the stand.

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Aichwald, Germany

Helmut F Link