Patents Assigned to Emuge-Werk Richard Glimpel GmbH & Co.
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Patent number: 11911834Abstract: A drilling tool for producing a bore with a cylindrical inner wall can be rotatable in a rotary movement with a predetermined rotational direction (VD) about a tool axis (A) extending through the drilling tool, and at the same time is movable in an axial forward movement (VB) in a forward direction axially to the tool axis. The drilling tool comprises at least one drilling area (3) arranged in a forwardly located region of the drilling tool at a forward or free end, but preferably not having a thread forming region. The drilling area has a number n of drilling edges which are arranged offset to each other in the rotational direction, and at least one chip divider is arranged on at least one or each of the n drill cutting edges, where the chip divider forms an interruption of the respective drill cutting edge.Type: GrantFiled: April 22, 2021Date of Patent: February 27, 2024Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG, FABRIK FÜR PRÄZISIONSWERKZEUGEInventors: Christian Beer, Bernhard Borschert, Thomas Funk, Dietmar Hechtle, Manuel Leonhard, Martin Steinbach
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Patent number: 11571760Abstract: A tool for the chipless production of a thread in a workpiece comprises at least one shaping region which can be rotated about a tool axis (A) for the chipless production or finishing of the thread. The shaping region comprises a plurality of pressing lobes projecting radially outwardly from the tool axis (A) for producing the thread by pressing the pressing lobes into the workpiece surface. The pressing lobes are successively arranged along a forming curve which substantially spirals around the tool axis (A), and the pitch of the forming curve essentially corresponds to the pitch of the thread to be produced or reworked. The forming curve has a helix angle (a), and a profile of at least one pressing lobe is designed in such a way that a thread produced in an axial section containing the tool axis is at least in sections round-arched or ogival.Type: GrantFiled: November 4, 2020Date of Patent: February 7, 2023Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG, FABRIK FÜR PRÄZISIONSWERKZEUGEInventors: Dietmar Hechtle, Marko Übler, Jürgen Fenzel
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Patent number: 11229966Abstract: A tool and related method for the non-cutting production or reworking of a thread in/on a workpiece comprises a forming area which is rotatable about a tool axis (A), the forming area having a plurality of pressing lobes protruding or projecting radially outwards away from the tool axis (A) for producing or post-reworking the thread by pressing the pressing lobes into the workpiece surface. The pressing lobes are arranged in succession along a shaping curve which substantially spirally encircles the tool axis (A), and the pitch of the shaping curve corresponds substantially to the pitch of the thread to be produced or reworked. The pressing lobes form at least one pressing ridge, wherein adjacent to the at least one pressing ridge a flaring ridge with a lower height HB than the height of the pressing ridge HD is formed.Type: GrantFiled: October 29, 2019Date of Patent: January 25, 2022Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FÜR PRÄZISIONSWERKZEUGEInventors: Helmut Glimpel, Jurgen Fenzel
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Patent number: 11192196Abstract: The invention relates to a tool for forming a drilled hole (B), comprising a shank that is rotatable or rotates about a tool axis (A), at least one first portion, which is rotatable or rotates about the tool axis (A), for producing and/or widening a drilled hole (B) by chip cutting, and a second portion, which rotates about the tool axis (A), for widening a drilled hole (B) without chip cutting, wherein the second portion is arranged behind the first portion in a direction of advance (V) of the tool. The invention additionally relates to a method for producing a drilled hole (B).Type: GrantFiled: February 3, 2020Date of Patent: December 7, 2021Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FÜR PRÄZISIONSWERKZEUGEInventors: Dietmar Hechtle, Peter Kopton
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Patent number: 11110530Abstract: A thread forming tool comprises a thread generating region that extends along a helical line with a thread pitch angle and a thread direction of the thread to be formed and has an active profile corresponding to the thread profile of the thread to be formed, wherein the thread generating region has a thread tooth having a thread profile with a front thread tooth profile flank and a rear thread tooth profile flank, has a front flank relieved surface, adjoining the front thread tooth profile flank and has a rear flank relieved surface, adjoining the rear thread tooth profile flank, wherein the front flank relieved surface is isolated relative to a front thread tooth flank envelope, wherein the rear flank relieved surface is displaced relative to a rear transverse plane wherein the helical line is inclined to the rear relative to the rear transverse plane by the thread pitch angle.Type: GrantFiled: June 14, 2019Date of Patent: September 7, 2021Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FUR PRAZISIONSWERKZEUGEInventors: Helmut Glimpel, Dietmar Hechtle, Thomas Funk
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Patent number: 11097356Abstract: A clamping device for clamping a workpiece to a machine spindle includes at least one clamping bush which extends around a central axis and has at least one clamping surface for the workpiece and at least one clamping body. The clamping bush on a side remote from the clamping surface at least one support surface which extends about the central axis along a helical line. On a side facing, the clamping bush comprises at least one support surface which extends about the central axis along a helical line with a predefined pitch and is inclined at an angle of inclination to a direction axial to the central axis. The clamping body includes a hydraulic chamber in the interior of the clamping body. The clamping device also includes a displacement element, and at least one pressure generator. A clamping force is generatable between the clamping bush and workpiece.Type: GrantFiled: November 28, 2018Date of Patent: August 24, 2021Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FUER PRAEZISIONSWERKZEUGEInventor: Ruediger Watzke
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Patent number: 11065702Abstract: A method for forming a thread with a predefined thread pitch and with a predefined thread profile in a workpiece, in which a tool is used, wherein, during working movement, a thread generating region forms a thread, wherein the tool is moved during a second working phase further into the workpiece in the same forwards direction as in the working movement, as far as a reversal point, wherein the decelerating movement comprises a rotational movement in the same rotational direction as in the working movement, wherein during the decelerating movement, the axial feed movement is controlled in dependence on the rotational angle of the rotational movement of the tool and wherein the axial feed of the tool during a complete revolution, is smaller in terms of amount than the thread pitchat least during part of the decelerating movement and is zero at the reversal point.Type: GrantFiled: June 14, 2019Date of Patent: July 20, 2021Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FUR PRAZISIONSWERKZEUGEInventors: Helmut Glimpel, Dietmar Hechtle, Thomas Funk
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Patent number: 11027350Abstract: A thread former for the chipless production of a thread has a plurality of pressing lands, which are each arranged at predefined separation angles (T) along a shaping curve. Each separation angle (T) is smaller than or equal to a predefined maximum separation angle (Tmax). For nominal thread former diameters (Da) between 6 mm and 20 mm, the maximum separation angle (Tmax) is determined such that the following condition: Tmax=sin?1((a×NDy+b×ND+c)×2×?); is met for i) 6?ND<10 where a=?0.0008, b=0.00705, c=0.1325, y=2; ii) 10?ND<12 where a=1.7924/(2×?), b=0, c=0, y=?0.408; or iii) 12?ND?20 where a=0.751/(2×?), b=0, c=0, y=?0.104; wherein Tmax is the maximum separation angle and ND is the amount of the nominal thread former diameter (Da) measured in millimeters.Type: GrantFiled: November 22, 2017Date of Patent: June 8, 2021Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FÜR PraÄZISIONSWERKZEUGEInventors: Helmut Glimpel, Thomas Berschneider, Jurgen Fenzel
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Patent number: 9662728Abstract: A method for producing a thread can include a) generating a number n?1 of twisted grooves in a wall of the workpiece encircling a thread axis (M) or generating a wall of the workpiece which has a number n?1 of twisted grooves and encircles a thread axis, b) respectively inserting a thread generating region of a tool into each of the twisted grooves in a twisted insertion movement, c) generating a thread in each wall sub-region, adjoining the groove(s), of the wall of the workpiece by rotating the tool about the thread axis (M) and with a simultaneous axial feed motion of the tool coaxially with respect to the thread axis with a particular axial feed speed and d) moving each thread generating region of the tool out of the associated groove in a twisted removal movement matched to the twisting of the associated twisted groove.Type: GrantFiled: June 10, 2013Date of Patent: May 30, 2017Assignees: EMUGE-WERK RICHARD GLIMPEL GMBH & Co. KG Fabrik Fuer Praezisionswerkzeuge, AUDI, AGInventors: Helmut Glimpel, Dietmar Hechtle, Peter Kopton
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Patent number: 9630267Abstract: The thread generating tool for producing a thread in a workpiece has the following features: a) the tool is rotatable about a tool axis (A), b) the tool has a number n?1 of groove generating regions for generating in each case one groove in the workpiece and a number m?1 of thread generating regions for generating the thread in the workpiece, c) each of the m thread generating regions is arranged behind one of the n groove generating regions as viewed in an axial projection parallel to the tool axis (A), and has a smaller extent than said groove generating region as viewed in cross section in the axial projection.Type: GrantFiled: December 14, 2011Date of Patent: April 25, 2017Assignees: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG FABRIK FUER PRAEZISIONSWERKAEUGE, AUDI AGInventors: Helmut Glimpel, Dietmar Hechtle, Peter Kopton
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Patent number: 9033624Abstract: This invention relates to a screw tap which is rotatable about a rotational axis and has a number of thread-cutting teeth, which respectively have a radially outer tip cutter and are disposed mutually offset, with a predefined thread pitch, in an arrangement running spirally or helically around the rotational axis. In a lead region adjoining one end of the screw tap axially to the rotational axis, the maximum radial distance of the tip cutters of the thread-cutting teeth from the rotational axis increases with increasing axial distance of the tip cutters from one end of the screw tap according to a predefined radial distance function. At least some of the thread-cutting teeth in the lead region, at least in the region of the tip cutters, respectively have a defined cutter rounding between tool face and tool flank.Type: GrantFiled: December 12, 2008Date of Patent: May 19, 2015Assignee: EMUGE-WERK RICHARD GLIMPEL GMBH & CO. KG, FABRIK FÜR PRÄZISIONSWERKZEUGEInventors: Helmut Glimpel, Thomas H. Berschneider, Dietmar G. Hechtle, Thomas A. Zeus
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Patent number: 8992143Abstract: The invention relates to a modular drill including a shank part with an end side. A cutting part can be connected to the shank part at its end side. The shank part has at least one torque transmission element which projects on the end side and has at least one torque transmission face for transmitting a torque in the rotational direction from the shank part to the cutting part. The cutting part has at least one torque receiving region for receiving the torque. The at least one torque receiving region has at least one torque receiving face which corresponds with the torque transmission face. The cutting part has at least one centering element for radially centering the cutting part in relation to the shank part. The cutting part is clamped to the shank part via a clamping element which acts at least predominantly in the axial direction.Type: GrantFiled: March 17, 2010Date of Patent: March 31, 2015Assignee: EMUGE-Werk Richard Glimpel GmbH & Co. KG, Fabrik für PräzisionswerkzeugeInventors: Helmut Glimpel, Bernhard Borschert
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Publication number: 20150013415Abstract: A tool for the chipless production of a thread on a workpiece can comprise a forming region, which is rotatable about a tool axis (A), for the chipless production of an internal thread, wherein the forming region has a plurality of pressure studs, which project radially from the tool axis (A), for producing or finishing the thread by pressing the pressure studs into the workpiece surface. In one implementation, the pressure studs are arranged successively along a shaping curve that encircles the tool axis (A) in a substantially spiral manner, and the pitch of the shaping curve corresponds substantially to the pitch of the thread to be produced. Additionally, the pitch angle (t1) between first and second pressure studs along the shaping curve differs from the pitch angle (t2) between the second pressure stud and a third pressure stud that follows the second pressure stud along the shaping curve.Type: ApplicationFiled: November 27, 2012Publication date: January 15, 2015Applicant: EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik Fuer PraezisionswerkzeugeInventor: Helmut Glimpel
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Publication number: 20140301796Abstract: A tap for cutting thread production can include a working region that is rotatable about a tool axis, and has a plurality of cutting teeth arranged on the tool circumference, wherein each cutting tooth has a cutting tooth head at a region that is radially farthest from the tool axis. The radial distance of the cutting tooth heads from the tool axis is substantially the same or decreases counter to an intended feed direction of the tool in a guide region of the working region, but increases counter to the intended feed direction of the tool in a starting region of the working region. Thus, in an axial cross section, the superimposed profiles of axially spaced-apart cutting teeth have a profile differential area. The radial cutting tooth profile boundary of the cutting teeth can be at least sectionally curved in the starting region.Type: ApplicationFiled: April 1, 2014Publication date: October 9, 2014Applicant: EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fuer PraezisionswerkzeugeInventors: Helmut Glimpel, Stefan Fenn
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Patent number: 8777530Abstract: A tool holder has a first holder part for inserting into a receptacle in the machine tool and a second holder part for holding a tool. The tool holder has a conduit for directing a coolant and/or lubricant to the tool from a coolant and/or lubricant source. The tool has a conduit section for the coolant and/or lubricant for directing the latter to a machining point, and wherein, in the fitted state of the tool in the tool holder, the conduit is in contact with the conduit section at a coupling point. Provision is made for there to be an air feed line which directs compressed air from a compressed-air source into the region of the coupling point in such a way that the compressed air acts on the outer circumferential surface of the conduit and of the conduit section. Furthermore, methods for operating such a tool holder are described.Type: GrantFiled: September 9, 2011Date of Patent: July 15, 2014Assignee: EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für PräzisionswerkzeugeInventor: Peter Liebald
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Patent number: 8272817Abstract: The invention relates to a tool for machining a workpiece, which tool is rotatable about a tool axis, having a tool shank and a tool head, which tool head comprises at least one land, at least one spiral point assigned to the land and at least one flute assigned to the land, wherein the flute has a left-hand helix and the spiral point is skewed to the left, or wherein the flute has a right-hand helix and the spiral point is skewed to the right.Type: GrantFiled: September 10, 2007Date of Patent: September 25, 2012Assignee: Emuge-Werk Richard Glimpel GmbH & Co. KG Fabrik fur PrazisionswerkzeugeInventors: Helmut Glimpel, Dietmar Hechtle
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Publication number: 20120061924Abstract: A tool holder has a first holder part for inserting into a receptacle in the machine tool and a second holder part for holding a tool. The tool holder has a conduit for directing a coolant and/or lubricant to the tool from a coolant and/or lubricant source. The tool has a conduit section for the coolant and/or lubricant for directing the latter to a machining point, and wherein, in the fitted state of the tool in the tool holder, the conduit is in contact with the conduit section at a coupling point. Provision is made for there to be an air feed line which directs compressed air from a compressed-air source into the region of the coupling point in such a way that the compressed air acts on the outer circumferential surface of the conduit and of the conduit section. Furthermore, methods for operating such a tool holder are described.Type: ApplicationFiled: September 9, 2011Publication date: March 15, 2012Applicant: EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik fur PrazisionswerkzeugeInventor: Peter Liebald
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Publication number: 20120014760Abstract: The invention relates to a modular drill including a shank part with an end side. A cutting part can be connected to the shank part at its end side. The shank part has at least one torque transmission element which projects on the end side and has at least one torque transmission face for transmitting a torque in the rotational direction from the shank part to the cutting part. The cutting part has at least one torque receiving region for receiving the torque. The at least one torque receiving region has at least one torque receiving face which corresponds with the torque transmission face. The cutting part has at least one centering element for radially centering the cutting part in relation to the shank part. The cutting part is clamped to the shank part via a clamping element which acts at least predominantly in the axial direction.Type: ApplicationFiled: March 17, 2010Publication date: January 19, 2012Applicant: EMUGE-Werk Richard Glimpel GmbH & Co., KG Fabrik fur PrazisionswerkzeugeInventors: Helmut Glimpel, Bernhard Borschert
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Patent number: D678925Type: GrantFiled: May 24, 2012Date of Patent: March 26, 2013Assignee: Emuge-Werk Richard Glimpel GmbH & Co KG Fabrik fur PrazisionswerkzeugeInventors: Helmut Glimpel, Walter Kugler
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Patent number: D686647Type: GrantFiled: January 31, 2013Date of Patent: July 23, 2013Assignee: Emuge-Werk Richard Glimpel GmbH & Co. KG Fabrik fur PrazisionswerkzeugeInventors: Helmut Glimpel, Walter Kugler