Abstract: A finishing machine with at least two finishing stones and a stone turning unit is proposed, in which the stone turning unit may be coupled to a rotary drive of the workpiece holder. A separate drive for the stone turning unit may thus be omitted, which results in a reduced weight of the stone turning unit and therefore lower drive power requirement of the stone turning unit and an improved processing quality.

Abstract: A finishing device for finish-machining of a workpiece includes a force-generating device for generating a driving force, a force-transmitting arm and a pressing device for applying a working force to a finishing tool, and further a measuring device for measuring a deformation of a segment of the force-transmitting arm arranged in the force flux between the driving force and working force and/or for measuring a deformation force applied in the segment.

Abstract: A device for fine-machining a peripheral workpiece surface which is arranged eccentrically in relation to a workpiece axis of a workpiece, in particular of a pin bearing of a crankshaft, includes a rotary drive device for rotatably driving the workpiece about the workpiece axis, a pressing device for pressing a fine-machining tool against the peripheral workpiece surface, and a bearing device for supporting the pressing device on a frame. The device further includes a force application device which applies deceleration and/or acceleration forces on a bearing member of the bearing device, with the bearing member moving back and forth between two reversal positions when the workpiece rotates.

Abstract: A device for fine or finest processing of a rotationally symmetric work piece surface of a work piece (14), with a drive mechanism (12) for driving the work piece (14) around an axis of rotation (16), two guidance mechanisms (20, 22) acting in radial directions with respect to the axis of rotation (16) and at least one tool (38) acting in a radial direction, and a pressing mechanism (42) for pressing the work piece (14) against the drive mechanism (12), wherein the work piece (14) can be disposed between the drive mechanism (12) and the pressing mechanism (42). The pressing mechanism (42) acts in a pressing plane (74) that is offset from the axis of rotation (16) towards a space (78) in which the guidance mechanisms (20, 22) are disposed.

Abstract: The disclosure relates to a finishing apparatus for finish machining of rotationally symmetric workpiece surfaces having a finish belt guide which has a guiding body for guiding the finish belt, wherein the guiding body comprises a shell-like guiding surface along which the finish belt can be guided or is guided between an insertion end of the finish belt and a withdrawal end of the finish belt, wherein the guiding surface is mounted in a resiliently elastic manner in the radial direction, wherein, when seen in the circumferential direction, the guiding surface extends in a continuous manner between the insertion end of the finish belt and the withdrawal end of the finish belt over at least a part of the width of said guiding surface and is mounted in a resiliently elastic manner.

Abstract: A device for measuring the feed motion of a finishing belt includes a movable contact section for contacting the finishing belt, wherein a movement of the finishing belt can be transferred to the contact section, and a sensor device including a sensor and a reference section cooperating with the sensor, wherein the reference section or the sensor is motionally coupled with the contact section.

Abstract: A finishing device for finishing a surface of a workpiece includes a finishing belt, and a guide unit for guiding the finishing belt. The guide unit has a cup-shaped guide surface which bounds a receiving zone for the workpiece and along which the finishing belt is guided or guidable between an entry zone and an exit zone. The guide unit includes at least two separate guide members which have each a surface area, with the surface areas of the guide members jointly defining the guide surface and being movable relative to one another.

Abstract: The disclosure relates to a finishing apparatus for finish machining of rotationally symmetric workpiece surfaces having a finish belt guide which has a guiding body for guiding the finish belt, wherein the guiding body comprises a shell-like guiding surface along which the finish belt can be guided or is guided between an insertion end of the finish belt and a withdrawal end of the finish belt, wherein the guiding surface is mounted in a resiliently elastic manner in the radial direction, wherein, when seen in the circumferential direction, the guiding surface extends in a continuous manner between the insertion end of the finish belt and the withdrawal end of the finish belt over at least a part of the width of said guiding surface and is mounted in a resiliently elastic manner.

Abstract: The present disclosure relates to a surface grinder having at least one grinding tool, a workpiece holder for holding at least one workpiece, a drive unit for driving the workpiece holder in a rotational direction and a clutch device that provides a rotationally fixed connection between the drive unit and the workpiece holder that can be released at a specifiable limit torque.

Abstract: The present disclosure relates to a workpiece holder for a surface grinding machine, with a central workpiece holder shaft around which the workpiece holder can be driven in rotation, with at least one workpiece fixture to hold at least one workpiece, and with at least two holder parts movable relative to one another that jointly define the at least one workpiece fixture and that can be fixed relative to one another by means of a joining device.

Abstract: A device for fine or finest processing of a rotationally symmetric work piece surface of a work piece (14), with a drive mechanism (12) for driving the work piece (14) around an axis of rotation (16), two guidance mechanisms (20, 22) acting in radial directions with respect to the axis of rotation (16) and at least one tool (38) acting in a radial direction, and a pressing mechanism (42) for pressing the work piece (14) against the drive mechanism (12), wherein the work piece (14) can be disposed between the drive mechanism (12) and the pressing mechanism (42). The pressing mechanism (42) acts in a pressing plane (74) that is offset from the axis of rotation (16) towards a space (78) in which the guidance mechanisms (20, 22) are disposed.

Abstract: The invention relates to a device (2) for grinding and/or finishing a workpiece (8) mounted on and/or in a workpiece mounting (22, 28). The workpiece (8) and the workpiece mounting (22, 28) may be set in an oscillating movement (86) by means of a drive device (60, 108) and form an oscillating unit (96) or part of an oscillating unit (96), at least one balancer unit (94) being provided which is driven to run counter to the oscillating movement (86) of the oscillating unit (96).

Abstract: A finishing machine with at least two finishing stones and a stone turning unit is proposed, in which the stone turning unit may be coupled to a rotary drive of the workpiece holder. A separate drive for the stone turning unit may thus be omitted, which results in a reduced weight of the stone turning unit and therefore lower drive power requirement of the stone turning unit and an improved processing quality.

Abstract: The disclosure relates to a device for precision machining or micromachining workpieces, with a feed mechanism for transporting at least one workpiece, with a storage device, which includes a magazine for storing at least one workpiece, and with a tool for machining at least one workpiece, wherein the at least one workpiece can be led out of the magazine of the storage device to the feed mechanism, wherein the feed mechanism can be moved such that a workpiece held on the feed mechanism can be transported to the tool, wherein the magazine of the storage device can be moved along a magazine motion path, whose course is aligned at least in part with a workpiece motion path, which is traversed by a workpiece held on the feed mechanism during the transport from the magazine of the storage device to the tool.

Abstract: An adjustable eccentric drive is disclosed, including a first shaft and a crank pin connected to the first shaft, wherein a radial distance between the crank pin and an axis of rotation of the first shaft is adjustable with an adjusting collar; and a method for adjusting the stroke of an oscillating tool in a tool machine using the adjustable eccentric drive is disclosed.

Abstract: The inventive production line for producing workpieces includes several processing cells (21) which are positioned in row side by side and a transport device (31) for transporting the workpiece(s) to be processing to the processing cells (21) or for removing them therefrom, wherein the machining cells (21) of the production line are arranged on a base module (13), the transport means (31) comprises a guide rail (33) extending along at least the entire length of the base module (13) and at least one transport slide (35) is placed on the guide rail (33).

Abstract: The invention relates to a device (2) for grinding and/or finishing a workpiece (8) mounted on and/or in a workpiece mounting (22, 28). The workpiece (8) and the workpiece mounting (22, 28) may be set in an oscillating movement (86) by means of a drive device (60, 108) and form an oscillating unit (96) or part of an oscillating unit (96), at least one balancer unit (94) being provided which is driven to run counter to the oscillating movement (86) of the oscillating unit (96).

Abstract: The invention concerns a device for belt-grinding curved material surfaces, wherein the abrasive belt is pressed onto the surface of the work piece by means of two processing shoes and at the same time, the surface of the work piece to be processed is measured by an in-processing means.

Abstract: A device for superfinishing of ground surfaces of workpieces has a finishing block, which can be displaced by means of a drive device in a plane which is orthogonal with respect to the surface to be worked and is pivotable in this plane. By means of this it is possible to create a device of relatively small structural size, by means of which any arbitrary surfaces of workpieces can be treated.

Abstract: A device for finishing cylindrical workpieces is described, having an arrangement for rotating the workpiece, two retaining arms, each having a support and a pressure cheek received in it, wherein at least one pressure cheek is floatingly seated on the associated support, and the pressure cheeks at least partially envelop the workpiece, a grinding belt, and belt guidance means guiding the grinding belt in such a way that it at least partially envelops the workpiece and is pressed against the workpiece by the pressure cheeks, as well as an arrangement which puts the retaining arms into a back-and-forth movement parallel with the axis of rotation (A) of the workpiece. Here, either the support or the pressure cheek have a lining of a plastic material, which slightly extends in a T-shape past the lateral walls of the quick-change adapter, and which can at least slightly be compressed elastically.