Patents Assigned to Deckel Maho Pfronten GmbH
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Publication number: 20190232389Abstract: A method or device for monitoring a work spindle's tool clamping system of a numerically controlled machine tool with a control device controlling the processing of a workpiece with a tool clamped to the work spindle by a tool interface when a tool is clamped to the work spindle's tool interface holder by a tool interface, wherein the work spindle has a plurality of force sensors on a tool interface holder's bearing areas of the work spindle and force sensors' sensor values of the work spindle are provided on the control device with the tool clamped by means of the tool interface to the work spindle's tool interface holder, including monitoring the work spindle's tool clamping system when the tool is clamped by means of the tool interface to the work spindle's tool interface holder at the control device on the basis of a determined force distribution.Type: ApplicationFiled: January 30, 2019Publication date: August 1, 2019Applicant: DECKEL MAHO PFRONTEN GMBHInventor: Rolf KETTEMER
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Patent number: 10322484Abstract: A machine tool, in particular a multi-spindle and/or double-spindle milling machine, comprising a machine frame, a workpiece clamping device for clamping a workpiece, an axis slide assembly which is arranged on the machine frame and is configured to linearly move the workpiece clamped on the workpiece clamping device by way of two controllable linear axes in a Y-direction and a Z-direction, and a spindle carrier assembly, which is arranged on the machine frame and has at least two tool-carrying work spindles that can be moved independently of each other in an X-direction which is perpendicular to the Y-direction and Z-direction.Type: GrantFiled: January 24, 2017Date of Patent: June 18, 2019Assignee: DECKEL MAHO Pfronten GmbHInventors: Alfred Geissler, Robert Jung, Martin Rinderle
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Patent number: 10245695Abstract: A machine tool for machining a workpiece clamped in the working space of the machine tool by means of a tool. The machine tool includes a machine bed, which has a chip collection region having at least one conveying channel open on the working space side for collecting chips that drop during the machining of the workpiece, and a conveying device for leading away chips that have dropped into the chip collection region in the at least one conveying channel. The conveying device has a stationary supporting shaft, which extends in the at least one conveying channel in the longitudinal direction of the conveying channel, wherein a spiral element is rotatably supported on the stationary supporting shaft, and wherein the conveying device also comprises a drive for driving the rotational motion of the spiral element about the stationary supporting shaft.Type: GrantFiled: January 15, 2016Date of Patent: April 2, 2019Assignee: DECKEL MAHO PFRONTEN GMBHInventors: Roland Köchl, Wolfgang Dietenhauser
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Patent number: 10239131Abstract: The present invention relates to embodiments of a machine tool, in particular a multi-spindle milling machine, comprise a machine frame, a workpiece clamping device for clamping a workpiece, an axis slide assembly arranged on the machine frame, and a spindle carrier assembly which is arranged on the machine frame and has at least two tool-carrying work spindles. The axis slide assembly is configured to linearly move the workpiece clamped at the workpiece clamping device by way of three controllable linear axes X, Y and Z. The work spindles are arranged at a turret which can be rotated or swiveled about a turret axis at respectively equal distance from the turret axis, and the spindle axes of the work spindles are aligned or can be aligned in parallel to one another and in parallel to the turret axis.Type: GrantFiled: September 22, 2016Date of Patent: March 26, 2019Assignee: DECKEL MAHO Pfronten GmbHInventor: Alfred Geissler
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Publication number: 20190084106Abstract: A system for changing and inserting or placing tools on a machine tool, including: a tool changer with a manipulator which is configured to remove a tool to be introduced from a tool magazine of the machine tool at a removal position and to transfer it to a work spindle of the machine tool at a tool change position in an automatic tool changing operation, and a tool diameter measuring apparatus, which is configured to determine a tool diameter or a tool radius of the tool to be introduced that has been removed from the tool magazine of the machine tool by the manipulator.Type: ApplicationFiled: September 18, 2018Publication date: March 21, 2019Applicant: DECKEL MAHO PFRONTEN GMBHInventors: Rolf KETTEMER, Daniel BELONI
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Patent number: 10222781Abstract: Apparatus for monitoring and providing visual representations of the operating conditions of machine tool parameters, in particular for program-controlled turning, milling, and drilling machines, which have a machining unit displaceable in a plurality of coordinate axes, in which a work spindle for exchangeable receiving a machining tool and an electric motor for driving the work spindle are mounted. The machine tool includes a control unit and means for monitoring the operating state of the machine tool. The monitoring apparatus has at least one sensor for detecting at least one operating parameter of the machine tool. An evaluating unit is connected to both the sensor and the control unit and processes the measurement values detected by the sensor. An optical display is provided in the direct viewing range of the operator, which viewing range includes the machine operating spindle, tool holder, tool, and workplace.Type: GrantFiled: January 18, 2016Date of Patent: March 5, 2019Assignee: DECKEL MAHO Pfronten GmbHInventors: Armin Bornemann, Reinhold Seitz, Hans Gronbach, Peter Pruschek
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Patent number: 10166639Abstract: A system is provided for changing and inserting tools into or presenting tools at a machine tool. The system includes at least n rotatable tool magazines for receiving a plurality of tools, where n?2, which are arranged in tandem in the direction of a rotational axis. At least one of the n tool magazines can be driven independently of the other tool magazines to perform a rotational movement about the rotational axis. The system further includes a manipulator for removing the tools from the magazine. The tools are held in tool mounts along the circumference of the n tool magazines such that the longitudinal axes of the tools in each case of one of the n tool magazines are located in one plane and project from the circumference of the tool magazine, and the tools can be moved along the circumference of the respective tool magazine.Type: GrantFiled: August 31, 2012Date of Patent: January 1, 2019Assignee: DECKEL MAHO PFRONTEN GMBHInventor: Robert Jung
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Patent number: 10118267Abstract: Provided is a machine tool with a machine rack constructed of structural parts and components mounted thereon, the components including functional components. The functional components generate heat during the operation of the machine tool which is input into the structural parts and/or the components by heat transport. The machine tool may also include a flow channel system disposed on the structural parts and/or the components of the machine tool in which a tempering medium is circulated such that the heat generated by the functional components is distributed in the machine rack and/or the components as a result of the passage of the tempering medium.Type: GrantFiled: February 17, 2015Date of Patent: November 6, 2018Assignee: Deckel Maho Pfronten GmbHInventor: Hans Gronbach
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System and method for providing tools on a machine tool and machine tool having a tool change system
Patent number: 10099330Abstract: The present invention relates to a system, an apparatus and a method for providing tools on a machine tool. The system includes a first tool magazine for accommodating a plurality of tools; a first feeding device which is adapted to remove tools from the first tool magazine and feed them to the spindle; at least one second tool magazine for accommodating a plurality of tools; a second feeding device which is adapted to remove tools from the second tool magazine and provide them at a predetermined transfer position; and a transfer apparatus which is adapted to feed tools removed from the second tool magazine to the first tool magazine, with the result that the second tool magazine serves as a supply magazine for the first tool magazine.Type: GrantFiled: December 7, 2012Date of Patent: October 16, 2018Assignee: DECKEL MAHO PFRONTEN GMBHInventors: Oliver Kraft, Sebastian Riedel, Michael Trenkle -
Publication number: 20180290249Abstract: A machine tool for machining a workpiece has a spindle arm with a spindle for receiving a tool or workpiece. The spindle arm is movably attached to a spindle arm receiving section. The spindle arm has a first spindle arm section, being a longitudinal element, having a first rotational axis with respect to the spindle arm receiving section and is hinged to the spindle arm receiving section; a second spindle arm section, rotatable about a second rotational axis with respect to and is hinged to the first. The spindle arm receiving section has a first subsection and a second subsection, arranged on the machine column at a distance from one another to receive the spindle arm. The first spindle arm section has first and second subsections, which are arranged on the spindle arm receiving section at a distance from each other to receive the second spindle arm section.Type: ApplicationFiled: June 22, 2016Publication date: October 11, 2018Applicant: DECKEL MAHO PFRONTEN GMBHInventors: Uwe KSCHIER, Alfred GEISSLER
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Publication number: 20180071892Abstract: A grinding tool with a coolant supply device for a machine tool and such a coolant supply device. The coolant supply device for the grinding tool has a main body with engagement portions or holes and a line unit for redirecting coolant to a predeterminable processing area of the grinding tool. Using a clamping device, it is possible to releasably secure the coolant supply device to the shaft of the grinding tool. As a result of the attachment of the coolant supply device on the grinding tool, it is possible to tap the coolant of the machine tool via an additional valve device on the connector ring of the machine tool from the standard cooling circuit and supply it to the grinding location in a predeterminable processing area of the grinding tool.Type: ApplicationFiled: September 12, 2017Publication date: March 15, 2018Applicant: DECKEL MAHO PFRONTEN GMBHInventors: Robert JUNG, Florian LAU
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Publication number: 20180065192Abstract: A machine tool includes a machine bed, a tool clamping portion which is arranged on the machine bed and serves to clamp a workpiece on the machine tool, a swivel arm receiving portion arranged on the machine bed, a first swivel arm pivotally mounted on the swivel arm receiving portion about a first axis of rotation, a second swivel arm pivotally mounted on the first swivel arm about a second axis of rotation, a spindle carrier arm rotatably mounted on the second swivel arm about a third axis of rotation, a milling head rotatably mounted on the spindle carrier arm about a fourth axis of rotation, and a work spindle which is held on the milling head and serves to receive a tool, wherein the third axis of rotation is aligned perpendicularly or transversely to the fourth axis of rotation.Type: ApplicationFiled: September 6, 2017Publication date: March 8, 2018Applicant: DECKEL MAHO PFRONTEN GMBHInventors: Uwe KSCHIER, Alfred GEISSLER
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Publication number: 20180021908Abstract: A machining unit for a program-controlled machine tool. In particular, a spindle device for a program-controlled machine tool including a spindle housing; a working spindle which is mounted in the spindle housing in a rotatable manner about a spindle axis and which includes a clamping device for clamping a tool interface that is inserted in a tool receiving section of the spindle device and is configured to hold a milling or boring tool; and a sensor device which is arranged on the spindle housing and which includes at least one structure-borne sound sensor configured to detect structure-borne sounds or vibrations occurring during grinding operations.Type: ApplicationFiled: February 2, 2016Publication date: January 25, 2018Applicant: DECKEL MAHO Pfronten GmbHInventor: Hans VEITTINGER
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Publication number: 20180010297Abstract: A machining unit for use on a machining tool has a head carrier that is attachable to the machine tool and has a head carrier housing , a swivel head that is provided to swivel relative to the head carrier about a swivel head rotation axis and has a swivel head housing, a spindle head that is attached to the swivel head and has a working spindle , and a cable run that extends inside the head carrier housing to the swivel head and has a plurality of members that are arranged in succession along the cable run and are connected movably together. Adjacent members are in this case able to rotate and swivel relative to one another and each member has a central piece and a sheathing spaced apart therefrom. The central piece is connected to the sheathing via one or more connection elements.Type: ApplicationFiled: January 15, 2016Publication date: January 11, 2018Applicant: Deckel Maho Pfronten GmbHInventor: Florian GARBARSKY
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Publication number: 20170368654Abstract: A machine tool for machining a workpiece clamped in the working space of the machine tool by means of a tool. The machine tool includes a machine bed, which has a chip collection region having at least one conveying channel open on the working space side for collecting chips that drop during the machining of the workpiece, and a conveying device for leading away chips that have dropped into the chip collection region in the at least one conveying channel. The conveying device has a stationary supporting shaft, which extends in the at least one conveying channel in the longitudinal direction of the conveying channel, wherein a spiral element is rotatably supported on the stationary supporting shaft, and wherein the conveying device also comprises a drive for driving the rotational motion of the spiral element about the stationary supporting shaft.Type: ApplicationFiled: January 15, 2016Publication date: December 28, 2017Applicant: DECKEL MAHO PFRONTEN GMBHInventors: Roland KÖCHL, Wolfgang DIETENHAUSER
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Patent number: 9789576Abstract: The present disclosure relates to a tool holder to receive and lock a tool taper on a tool magazine, an unlocking device to unlock a tool taper that is received and is locked in a tool holder of this type, and a tool magazine for a machine tool comprising one or more tool holders of this type and an unlocking device of this type.Type: GrantFiled: July 25, 2013Date of Patent: October 17, 2017Assignee: DECKEL MAHO PFRONTEN GmbHInventors: Karl Lechleiter, Matthias Mayr, Michael Trenkle
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Patent number: 9505060Abstract: A device for employment in a machine tool, including: a first unit; a second unit connected to the first unit, wherein the first unit is rotatable around a rotational axis relative to the second unit; a motor spindle connected to the second unit; a line feed-through extending along the rotational axis from the first to the second unit; lines extending from the interior of the first unit through the line feed-through as well as through the second unit into the motor spindle; and a line guiding device formed in the first unit and serving for guiding a part of the lines disposed in the first unit immediately in front of the line feed-through, wherein the line guiding device is formed in a plane oriented perpendicularly to the rotational axis, and wherein the line guiding device feeds the lines upon rotation of the second unit with respect to the first unit.Type: GrantFiled: November 20, 2012Date of Patent: November 29, 2016Assignee: DECKEL MAHO PFRONTEN GMBHInventor: Robert Jung
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Publication number: 20160147216Abstract: Apparatus for monitoring and providing visual representations of the operating conditions of machine tool parameters, in particular for program-controlled turning, milling, and drilling machines, which have a machining unit displaceable in a plurality of coordinate axes, in which a work spindle for exchangeable receiving a machining tool and an electric motor for driving the work spindle are mounted. The machine tool includes a control unit and means for monitoring the operating state of the machine tool. The monitoring apparatus has at least one sensor for detecting at least one operating parameter of the machine tool. An evaluating unit is connected to both the sensor and the control unit and processes the measurement values detected by the sensor. An optical display is provided in the direct viewing range of the operator, which viewing range includes the machine operating spindle, tool holder, tool, and workplace.Type: ApplicationFiled: January 18, 2016Publication date: May 26, 2016Applicant: DECKEL MAHO Pfronten GmbHInventors: Armin BORNEMANN, Reinhold SEITZ, Hans GRONBACH, Peter PRUSCHEK
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Patent number: 9346138Abstract: A program controlled machine tool, including a bed-like substructure, a machine frame having two vertical and parallel side walls, and a compound slide having a longitudinal slide which can travel in the direction of the Y-coordinate axis on the two side walls of the machine frame. A cross slide is guided in such a way that it can travel in the direction of the X-coordinate axis. A machining unit can travel in the direction of the vertical Z-coordinate axis and has a working spindle. A workpiece table arrangement arranged on the substructure in front of the side walls. The workpiece table arrangement is arranged on the front partial area of the flat base and the cross slide has a length in the direction of the Y-coordinate axis which corresponds approximately to the diameter of the workpiece table and/or the working space in the Y-direction.Type: GrantFiled: December 20, 2011Date of Patent: May 24, 2016Assignee: DECKEL MAHO PFRONTEN GMBHInventor: Karl Lechleiter
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Patent number: 9314891Abstract: A machining unit for a program-controlled machine tool having a measuring and monitoring device for monitoring the position and condition of a tool shaft in the tool holder. This measuring and monitoring device includes a plurality of axial sensors and radial sensors and an evaluating unit for the measurement results detected by the sensors. An outer ring is releasably fastened to the spindle housing and contains an electronic transmission element and terminals for energy and data cables. A rotor is assigned to this stationary outer ring and contains the sensors and is coupled to the outer ring for the non-contact data transmission. The rotor is releasably fastened to the front end face of the spindle by bolted connections.Type: GrantFiled: January 27, 2014Date of Patent: April 19, 2016Assignee: DECKEL MAHO PFRONTEN GMBHInventor: Hans Veittinger