USRE35255E - Combined hole making and threading tool - Google Patents
Combined hole making and threading tool Download PDFInfo
- Publication number
- USRE35255E USRE35255E US07/146,727 US14672788A USRE35255E US RE35255 E USRE35255 E US RE35255E US 14672788 A US14672788 A US 14672788A US RE35255 E USRE35255 E US RE35255E
- Authority
- US
- United States
- Prior art keywords
- hole
- tool
- iaddend
- iadd
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G5/00—Thread-cutting tools; Die-heads
- B23G5/18—Milling cutters
- B23G5/182—Milling cutters combined with other tools
- B23G5/184—Milling cutters combined with other tools combined with drills
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T408/00—Cutting by use of rotating axially moving tool
- Y10T408/89—Tool or Tool with support
- Y10T408/904—Tool or Tool with support with pitch-stabilizing ridge
- Y10T408/9048—Extending outwardly from tool-axis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T409/00—Gear cutting, milling, or planing
- Y10T409/30—Milling
- Y10T409/300056—Thread or helix generating
- Y10T409/30056—Thread or helix generating with planetary cutter
Definitions
- This invention relates to tools; more particularly, it relates to a tool for making a threaded hole in metal and other materials.
- the single tool for hole making and threading is needed not only for through holes but also for blind holes in a workpiece.
- the advantage of such a tool is that it reduces the number of motions or operations required to produce a threaded hole; it is especially advantageous in conjunction with high speed machining operations.
- the maximum diameter of the swaging tap must be larger than the maximum diameter of the drill or end mill. Further, as described in the Grenell patent, the minor diameter of the female threads is smaller than the diameter of the drilled hole and the major diameter of the threads is larger than the diameter of the drilled hole.
- a general object of this invention is to provide a combined hole making and threading tool which may be used for both through holes and blind holes and which lends itself to high speed machining.
- a tool for making a hole in a workpiece on the inward feed of the tool and for threading the hole during retraction of the tool or alternatively during further inward feed of the tool.
- a tool .[.comprising.]. .Iadd.having .Iaddend.an elongated straight body with a shank at one end, a hole making means at the other end and a thread making means intermediate the ends.
- the hole making means such as a drill point, is operative by rotation about the tool axis and the thread making means, such as a threadform mill, is operative by helical motion of the tool combined with rotation about the tool axis.
- the thread making means has a maximum diameter equal to the maximum diameter of the hole making means whereby the thread making means can enter the hole without interference.
- the invention .[.comprises.]. .Iadd.includes .Iaddend.a tool having a thread making means for making female threads with a crest or minor diameter no smaller than the diameter of the hole formed by the hole making means. .[.Further, the.]. .Iadd.The .Iaddend.invention .[.comprises.]. .Iadd.further includes .Iaddend.a thread-form .[.mill. Further,.]. .Iadd.mill end .Iaddend.the body of the tool includes a chip removal passage.
- FIG. 1 is a perspective view of the tool of this invention
- FIG. 2 is an end view of the forward end of the tool
- FIG. 3 depicts the tool during drilling a hole in a workpiece
- FIG. 4 depicts the tool during milling of threads in the workpiece.
- the tool 10 of this invention is shown in a perspective view in FIG. 1. It .[.comprises.]. .Iadd.has.Iaddend., in general, an elongated rectilinear body including a shank 12 at one end which is provided with a suitable fitting, of conventional design, for engagement by a tool holder of a machine tool.
- the tool 10 also .[.comprises.]. .Iadd.includes .Iaddend.the hole making means in the form of a drill point 14 at the forward end and a thread making means, in the form of a thread-form mill 16 intermediate the drill point 14 and the shank 12.
- the tool 10 is made of a material selected in accordance with the selected workpiece application and is suitably formed as a unitary body.
- the drill point 14 at the forward end of the tool is of known design having a pair of cutting edges 22, as shown in FIGS. 1 and 2.
- the drill point 14 has a maximum diameter D and is adapted for .[.right hand.]. .Iadd.right-hand .Iaddend.or clockwise rotation about the tool axis for hole drilling in a conventional manner.
- the thread-form mill 16 is provided with a multiplicity of thread-form cutters 24 in a conventional manner.
- the tool has one or more flutes 26 extending from the drill point throughout the thread-form mill for the purpose of chip removal.
- the tool is provided with a coolant passage 28 with branch passages 28a for supply of liquid under pressure to the drill point and to aid in chip removal.
- each of the cutters 24 is of annular configuration and the number of cutters 24 is preferably equal to or greater than the number of threads to be cut.
- Each cutter 24 .[.comprises.]. .Iadd.has .Iaddend.a number of cutter segments 24a, 24b, 24c and 24d which are circumferentially aligned and are separated by the intervening flutes.
- Each cutter segment has a cutting edge disposed on the leading end thereof in accordance with the direction of cutting rotation.
- the thread-form mill 16 is adapted for .[.right hand.]. .Iadd.right-hand .Iaddend.or clockwise rotation for cutting threads.
- the cutter segments of the thread-form mill have a maximum crest diameter which is equal to the maximum diameter of the drill point 14.
- the tool 10 may be used in any CNC (computerized numerically controlled) machining center. .Iadd.Kearney & Trecker Corp., Data-Mill 700 CNC Milling Machine as disclosed in the article entitled High Speed Machining could Burst On Scene, published in Iron Age, Apr. 27, 1981; Ex-Cell-O Inc., model 108B Workcenter-type machining center as disclosed in the above referenced article of Iron Age Magazine; Turchan Hydro-mills equipped with Bunker-Ramo BRC-3100 three axis-numerical control system as disclosed in an article entitled 6 at North American Rockwell Corporation, published in American Machinist, Feb.
- CNC computerized numerically controlled
- FIG. 4 An .Iadd.An .Iaddend.axis 32 of the drilled hole 34 is indicated in FIG. 4.
- the tool is backed off sufficiently to provide the desired clearance for the drill point. Then, with the rotation continuing in the same direction, the thread milling portion of the cycle is commenced by imparting helical motion to the tool in the retracting direction.
- the longitudinal axis of the tool describes an orbital path 36 around the axis 32 of the drilled hole as shown in FIG. 4. While the tool 10 is rotated about its own longitudinal axis and moved in the orbital path 36, it is retracted axially to generate the helical motion to cut the desired threads. The tool executes one orbital revolution during axial retraction corresponding to one thread pitch.
- more than one orbital revolution is imparted to the tool, for example about one and one-half revolutions, to ensure clean-cut threads.
- the tool is moved to align the axis thereof with the hole axis and then it is withdrawn.
- the same tool may be used for cutting .[.left hand.]. .Iadd.left-hand .Iaddend.threads by imparting counterclockwise orbital motion to it.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling Tools (AREA)
- Milling Processes (AREA)
- Dowels (AREA)
- Table Equipment (AREA)
- Pens And Brushes (AREA)
- Harvester Elements (AREA)
Abstract
Description
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/146,727 USRE35255E (en) | 1986-03-17 | 1988-01-21 | Combined hole making and threading tool |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/840,443 US4651374A (en) | 1986-03-17 | 1986-03-17 | Combined hole making and threading tool |
US07/146,727 USRE35255E (en) | 1986-03-17 | 1988-01-21 | Combined hole making and threading tool |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/840,443 Reissue US4651374A (en) | 1986-03-17 | 1986-03-17 | Combined hole making and threading tool |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE35255E true USRE35255E (en) | 1996-05-28 |
Family
ID=25282400
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/840,443 Ceased US4651374A (en) | 1986-03-17 | 1986-03-17 | Combined hole making and threading tool |
US07/146,727 Expired - Lifetime USRE35255E (en) | 1986-03-17 | 1988-01-21 | Combined hole making and threading tool |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/840,443 Ceased US4651374A (en) | 1986-03-17 | 1986-03-17 | Combined hole making and threading tool |
Country Status (7)
Country | Link |
---|---|
US (2) | US4651374A (en) |
EP (1) | EP0265445B1 (en) |
AU (1) | AU597940B2 (en) |
CA (1) | CA1325085C (en) |
DE (1) | DE8718096U1 (en) |
MX (1) | MX160071A (en) |
WO (1) | WO1987005546A1 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5678962A (en) * | 1994-09-06 | 1997-10-21 | Makino Inc. | Integral boring and threading tool and method |
US6398815B1 (en) | 2000-01-30 | 2002-06-04 | Diamicron, Inc. | Prosthetic joint having at least one superhard articulation surface |
US6410877B1 (en) | 2000-01-30 | 2002-06-25 | Diamicron, Inc. | Methods for shaping and finishing prosthetic joint components including polycrystalline diamond compacts |
US6425922B1 (en) | 2000-01-30 | 2002-07-30 | Diamicron, Inc. | Prosthetic hip joint having at least one sintered polycrystalline diamond compact articulation surface |
US6488715B1 (en) | 2000-01-30 | 2002-12-03 | Diamicron, Inc. | Diamond-surfaced cup for use in a prosthetic joint |
US6494918B1 (en) | 2000-01-30 | 2002-12-17 | Diamicron, Inc. | Component for a prosthetic joint having a diamond load bearing and articulation surface |
US6514289B1 (en) | 2000-01-30 | 2003-02-04 | Diamicron, Inc. | Diamond articulation surface for use in a prosthetic joint |
US6596225B1 (en) | 2000-01-31 | 2003-07-22 | Diamicron, Inc. | Methods for manufacturing a diamond prosthetic joint component |
US6676704B1 (en) | 1994-08-12 | 2004-01-13 | Diamicron, Inc. | Prosthetic joint component having at least one sintered polycrystalline diamond compact articulation surface and substrate surface topographical features in said polycrystalline diamond compact |
US6709463B1 (en) | 2000-01-30 | 2004-03-23 | Diamicron, Inc. | Prosthetic joint component having at least one solid polycrystalline diamond component |
US6793681B1 (en) | 1994-08-12 | 2004-09-21 | Diamicron, Inc. | Prosthetic hip joint having a polycrystalline diamond articulation surface and a plurality of substrate layers |
US7357606B1 (en) | 2006-02-03 | 2008-04-15 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Self-advancing step-tap tool |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8718098U1 (en) * | 1986-03-13 | 1994-03-03 | Turchan, Manuel C., Dearborn, Mich. | Device for producing a threaded hole |
US4761844A (en) * | 1986-03-17 | 1988-08-09 | Turchan Manuel C | Combined hole making and threading tool |
SE456408B (en) * | 1987-02-10 | 1988-10-03 | Sandvik Ab | DRILLING AND GEAR TOOLS |
US4762444A (en) * | 1987-03-16 | 1988-08-09 | Mena Carl M | Screw tap with lubrication and extraction bores |
DE3737315A1 (en) * | 1987-11-04 | 1989-05-18 | Link Johann & Ernst Gmbh & Co | Tool for boring and thread cutting |
DE8803565U1 (en) * | 1988-03-16 | 1988-09-01 | Prototyp-Werke GmbH, Fabrik für Präzisionswerkzeuge, 7615 Zell | THREAD MILLING |
IT1234142B (en) * | 1988-05-03 | 1992-05-04 | Kwo Werkzeuge Gmbh | DRILL DRILL, IN PARTICULAR DRILL DRILL TO CREATE HOLES FOR DOWELS |
DE3828780A1 (en) * | 1988-08-25 | 1990-03-01 | Schmitt M Norbert Dipl Kaufm D | DRILLING THREAD MILLER |
DE3939795A1 (en) * | 1989-12-01 | 1991-06-06 | Schmitt M Norbert Dipl Kaufm D | METHOD FOR PRODUCING A THREADED HOLE |
US7396501B2 (en) | 1994-08-12 | 2008-07-08 | Diamicron, Inc. | Use of gradient layers and stress modifiers to fabricate composite constructs |
US7396505B2 (en) * | 1994-08-12 | 2008-07-08 | Diamicron, Inc. | Use of CoCrMo to augment biocompatibility in polycrystalline diamond compacts |
US5733078A (en) * | 1996-06-18 | 1998-03-31 | Osg Corporation | Drilling and threading tool |
NO307795B1 (en) | 1997-10-17 | 2000-05-29 | Norsk Hydro As | Process and equipment for processing of carbon bodies |
DE10236802C1 (en) * | 2002-08-10 | 2003-10-09 | Felix Leeb | Bore thread cutter, suitable for steel, has end cutting region with centering tip at around 140 degrees bounding cutting region at 160 degrees, cutting region at 45 degrees and chamfering region |
DE10334454B3 (en) * | 2002-08-10 | 2005-05-12 | Felix Leeb | Bohrgewindefräser which is also suitable for use in steel |
DE102005014422B4 (en) * | 2005-03-24 | 2019-10-24 | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Präzisionswerkzeuge | Drill |
JP4553251B2 (en) * | 2005-04-13 | 2010-09-29 | オーエスジー株式会社 | Threading cutter |
US8407891B2 (en) * | 2008-10-15 | 2013-04-02 | GM Global Technology Operations LLC | Method for providing a controlled spark plug orientation in an engine structure |
DE102011001772A1 (en) * | 2010-12-14 | 2012-06-14 | EMUGE-Werk Richard Glimpel GmbH & Co. KG Fabrik für Präzisionswerkzeuge | Thread forming tool for producing a thread in a workpiece |
DE102016008478B4 (en) * | 2016-07-13 | 2020-10-15 | Audi Ag | Method for creating a threaded hole |
DE102017007419B4 (en) * | 2017-08-05 | 2021-08-12 | Audi Ag | Method for creating a threaded hole |
RU2712330C2 (en) * | 2018-01-26 | 2020-01-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Ухтинский государственный технический университет" | Combined axial blade tool |
DE102018206545B4 (en) * | 2018-04-27 | 2021-10-14 | Audi Ag | Tapping tool and method for creating a threaded hole |
DE102019123625B4 (en) * | 2019-09-04 | 2021-12-16 | Audi Ag | Tapping tool and method for creating a workpiece tapped hole |
EP4230334A1 (en) | 2022-02-18 | 2023-08-23 | KOMET Deutschland GmbH | Drill thread milling cutter |
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Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8718098U1 (en) * | 1986-03-13 | 1994-03-03 | Turchan, Manuel C., Dearborn, Mich. | Device for producing a threaded hole |
-
1986
- 1986-03-17 US US06/840,443 patent/US4651374A/en not_active Ceased
-
1987
- 1987-01-27 DE DE8718096U patent/DE8718096U1/en not_active Expired - Lifetime
- 1987-01-27 EP EP87901232A patent/EP0265445B1/en not_active Expired - Lifetime
- 1987-01-27 WO PCT/US1987/000170 patent/WO1987005546A1/en active IP Right Grant
- 1987-01-27 AU AU69332/87A patent/AU597940B2/en not_active Ceased
- 1987-03-10 CA CA000531604A patent/CA1325085C/en not_active Expired - Lifetime
- 1987-03-16 MX MX5766A patent/MX160071A/en unknown
-
1988
- 1988-01-21 US US07/146,727 patent/USRE35255E/en not_active Expired - Lifetime
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US6676704B1 (en) | 1994-08-12 | 2004-01-13 | Diamicron, Inc. | Prosthetic joint component having at least one sintered polycrystalline diamond compact articulation surface and substrate surface topographical features in said polycrystalline diamond compact |
US6800095B1 (en) | 1994-08-12 | 2004-10-05 | Diamicron, Inc. | Diamond-surfaced femoral head for use in a prosthetic joint |
US6793681B1 (en) | 1994-08-12 | 2004-09-21 | Diamicron, Inc. | Prosthetic hip joint having a polycrystalline diamond articulation surface and a plurality of substrate layers |
US5678962A (en) * | 1994-09-06 | 1997-10-21 | Makino Inc. | Integral boring and threading tool and method |
US6425922B1 (en) | 2000-01-30 | 2002-07-30 | Diamicron, Inc. | Prosthetic hip joint having at least one sintered polycrystalline diamond compact articulation surface |
US6494918B1 (en) | 2000-01-30 | 2002-12-17 | Diamicron, Inc. | Component for a prosthetic joint having a diamond load bearing and articulation surface |
US6514289B1 (en) | 2000-01-30 | 2003-02-04 | Diamicron, Inc. | Diamond articulation surface for use in a prosthetic joint |
US6517583B1 (en) | 2000-01-30 | 2003-02-11 | Diamicron, Inc. | Prosthetic hip joint having a polycrystalline diamond compact articulation surface and a counter bearing surface |
US6488715B1 (en) | 2000-01-30 | 2002-12-03 | Diamicron, Inc. | Diamond-surfaced cup for use in a prosthetic joint |
US6709463B1 (en) | 2000-01-30 | 2004-03-23 | Diamicron, Inc. | Prosthetic joint component having at least one solid polycrystalline diamond component |
US6410877B1 (en) | 2000-01-30 | 2002-06-25 | Diamicron, Inc. | Methods for shaping and finishing prosthetic joint components including polycrystalline diamond compacts |
US6398815B1 (en) | 2000-01-30 | 2002-06-04 | Diamicron, Inc. | Prosthetic joint having at least one superhard articulation surface |
US6596225B1 (en) | 2000-01-31 | 2003-07-22 | Diamicron, Inc. | Methods for manufacturing a diamond prosthetic joint component |
US7357606B1 (en) | 2006-02-03 | 2008-04-15 | United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Self-advancing step-tap tool |
Also Published As
Publication number | Publication date |
---|---|
WO1987005546A1 (en) | 1987-09-24 |
MX160071A (en) | 1989-11-21 |
EP0265445A4 (en) | 1989-08-30 |
EP0265445A1 (en) | 1988-05-04 |
CA1325085C (en) | 1993-12-14 |
AU597940B2 (en) | 1990-06-14 |
US4651374A (en) | 1987-03-24 |
DE8718096U1 (en) | 1994-01-27 |
AU6933287A (en) | 1987-10-09 |
EP0265445B1 (en) | 1993-04-21 |
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