US20050181710A1 - Working method and device for smoothing gearwheels - Google Patents

Working method and device for smoothing gearwheels Download PDF

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Publication number
US20050181710A1
US20050181710A1 US10/846,214 US84621404A US2005181710A1 US 20050181710 A1 US20050181710 A1 US 20050181710A1 US 84621404 A US84621404 A US 84621404A US 2005181710 A1 US2005181710 A1 US 2005181710A1
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United States
Prior art keywords
gearwheel
smoothed
smoothing
working method
lubricant
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.)
Abandoned
Application number
US10/846,214
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English (en)
Inventor
Wolfgang Linnenbrink
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Individual
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Individual
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Publication date
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Publication of US20050181710A1 publication Critical patent/US20050181710A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • B23Q11/1038—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality
    • B23Q11/1046—Arrangements for cooling or lubricating tools or work using cutting liquids with special characteristics, e.g. flow rate, quality using a minimal quantity of lubricant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H5/00—Making gear wheels, racks, spline shafts or worms
    • B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
    • B21H5/022—Finishing gear teeth with cylindrical outline, e.g. burnishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/10—Arrangements for cooling or lubricating tools or work
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the present invention relates to a working method and a device for smoothing gearwheels.
  • the device has at least one smoothing wheel, similar to a gearwheel, that acts radially on a gearwheel to be smoothed and therefore may be engaged and disengaged.
  • the smoothing wheel is driven via a motor and the gearwheel to be smoothed is kept pressed with a high pressure force and along its axis of rotation oscillating against the smoothing wheel during a main operating step.
  • the smoothing wheel acts radially on the gearwheel to be smoothed and therefore may be engaged and disengaged.
  • a gearwheel burnishing and honing machine described in U.S. Pat. No. 4,414,780 to Jorgensen has a similar basic construction as the present invention for smoothing gearwheels.
  • the gearwheels to be smoothed and the smoothing wheels used are washed with a large quantity of a coolant-lubricant emulsion in order to reduce the production of frictional heat and remove the abraded material.
  • a device having at least one smoothing wheel disposed to act radially on a gearwheel to be smoothed and to selectively engage and disengage the gearwheel to be smoothed, the device further having a motor driving the smoothing wheel;
  • a device for smoothing gear wheels i.e., a device for performing the above-outlined method.
  • the device comprises:
  • At least one smoothing wheel in the form of a gearwheel, disposed to act radially on a gearwheel to be smoothed and to be engaged therewith and disengaged therefrom;
  • a spray nozzle configured for generating a fine spray mist of lubricant and disposed to spray the lubricant onto at least one of an operating region of a gearwheel to be smoothed and onto the smoothing wheel;
  • a pressure generator communicating with the spray nozzle.
  • the device for smoothing gearwheels which is equipped with at least one smoothing wheel that acts radially on a gearwheel to be smoothed and therefore may be engaged and disengaged, is provided with a spray nozzle, with which a fine lubricant spray mist, particularly made of oil, is sprayable on the gearwheels, it becomes possible to dispense completely with the use of a coolant-lubricant emulsion.
  • the construction outlay for the device is significantly reduced, since, for example, water-tight boxes which enclose the device must no longer be positioned around the device and central lubrication of the bearings, which may now be replaced by typical permanently-sealed bearings, may be dispensed with completely.
  • the cleaning of the device is significantly simplified, since it is not always completely wetted by the coolant-lubricant emulsion. Post-processing such as drying of the workpieces is also completely dispensed with.
  • the spray nozzle is pointed directly at the gearwheel to be smoothed, it becomes possible to ensure sufficient lubrication during the smoothing process using an extremely small quantity of sprayed oil, without the smoothing wheels or the gearwheel to be smoothed being negatively influenced hereby. Since the device is purely a smoothing device for gearwheels, in which, for example, scale residues from the heat treatment of the gearwheels are removed, hardly any noticeable material abrasion is to be expected, so that the use of washing oil or other cleaning liquid may be dispensed with completely.
  • the lubricant is preferably sprayed on a free surface region of the gearwheel to be smoothed when the already rotating smoothing wheel has been engaged load-free with the gearwheel to be smoothed, this advantageously occurring during a complete rotation of the gearwheel to be smoothed, through which complete and sufficient lubrication of the entire operating region of the gearwheel is ensured before beginning the basic operating step by applying the high pressure force.
  • Method sequences in which the lubricant is sprayed one or more times shortly before and/or at the beginning of and/or even during the smoothing process are also conceivable.
  • the smoothing machine is equipped with a device, which generates an air stream, and corresponding air distribution lines to the gearwheel to be smoothed, but particularly only to the smoothing wheels, so that their heating because of frictional heat may be counteracted in a very simple and cost-effective way.
  • the gearwheels to be smoothed which are continuously replaced, contribute to cooling of the smoothing wheels, which are always fixed on the device. In principle, other gases may also be used here.
  • the occurrence of frictional heat is counteracted in a technically simple but effective way, which also operates quasi-wear-free.
  • the working method which may be performed using the device essentially corresponds to the known methods for smoothing gearwheels, their typical lubrication and cooling using a coolant-lubrication emulsion or using pure washing oils being replaced by an extremely minimal quantity of lubrication using a lubricant such as oil.
  • This oil is sprayed one time at the beginning or during, but particularly before the beginning of the smoothing process, advantageously directly by one single spray nozzle as a fine spray mist onto the gearwheel to be smoothed, this sprayed oil quantity being sufficiently low that even after multiple hours of operation of the device, no oil sprays or larger contaminations are to be found in the region below the smoothing wheels.
  • the application of the lubricant is preferably performed when the rotating smoothing wheel has been engaged load-free with the gearwheel to be smoothed, particularly using a spray stream lasting long enough that the gearwheel may be wetted over its entire circumference and all tooth flanks with lubricant.
  • the working method is also extremely environmentally friendly, since the quantities of oil used are very low and no liquids to be recycled arise. Furthermore, the entire device is very well accessible at any time, even in operation, and the operating process is observable, since the device is not permanently quasi-“underwater” and the view is not obstructed by sprayed spray protection walls.
  • FIG. 1 is a perspective illustration of a device for smoothing gearwheels according to the invention.
  • FIG. 2 is a perspective detail, on an enlarged scale, of an operating region of the device.
  • FIG. 1 there is shown a device for smoothing gearwheels that includes a machine table 10 , on which two mutually parallel guide rails 11 are placed.
  • a frame-shaped carriage 12 for a driven smoothing wheel 5 is disposed on the rails 11 , as well as a further carriage 13 , inside the carriage 12 , for a driven pair of smoothing wheels 5 .
  • the carriage 12 is movable on the rails.
  • a pressure cylinder 14 is positioned on the carriage 12 for the driven smoothing wheel 5 , which presses the carriage 13 for the driven pair of smoothing wheels 5 in the direction toward the driven smoothing wheel 5 .
  • a gearwheel 1 to be smoothed is held in operation clamped as a workpiece under a high radial pressure between the pair of smoothing wheels 5 and the single smoothing wheel 5 .
  • the gearwheel 1 to be smoothed is held axially clamped so it is radially movable by a clamping device 16 , which is positioned on a C-shaped bracket 17 .
  • the latter is in turn attached via a spring assembly 18 and via an eccentric 19 on a holding stand 21 on such a way that it allows vertical oscillation of the gearwheel 1 , which is only clamped axially, but is mounted quasi-floating radially, via an eccentric drive 20 .
  • the entire carriage 13 is movable together with the carriage 12 in relation to a fixed vertical axis of the clamping device 16 on the guide rails 11 via a small positioning cylinder 15 .
  • the operating region of the device for smoothing gearwheels primarily includes three smoothing wheels 5 having fixed or pivotable vertical axes of rotation.
  • a first smoothing wheel 5 is positioned on the carriage 12 and is driven by a motor 22 (cf. FIG. 1 ).
  • the two other smoothing wheels 5 are positioned in a pair on the inner carriage 13 and may be pressed via the pressure cylinder 14 in the direction toward the driven smoothing wheel 5 in such a way that a gearwheel 1 to be smoothed, which is positioned between them, may be pressed against the smoothing wheels 5 using a force of 150 to 500 kg, for example.
  • the device is equipped with a spray nozzle 2 , which may have enough pressure applied to it via a pressure generator 23 , such as a pump, and a supply line 24 that a fine vaporized oil spray mist is sprayable on a free surface region of the gearwheel 1 to be smoothed during a complete rotation of the gearwheel 1 to be smoothed.
  • the lubricant is applied after the rotating gearwheel 5 has been engaged load-free, i.e., still without having a pressure force applied to it, with the gearwheel 1 to be smoothed.
  • the nozzle 2 is positioned via a support block 25 and an angularly adjustable carrier 26 on the carriage 13 in such a way that optimized application of the minimum quantity of lubricant may be performed through a very short pump stroke.
  • the short spray stream may be generated in another way, however, such as through a valve-controlled nozzle.
  • the air cooler 7 which operates according to the Joule-Thomson effect (adiabatic expansion of gas), is also recognizable in FIG. 2 .
  • the air cooler 7 is connected to an air distributor 6 that directs air, strongly cooled down to ⁇ 50° C., for example, against the smoothing wheels 5 to be cooled through three air distributor lines 4 and cold air nozzles 8 . If necessary, more air distributor lines 4 may also be provided, even to the gearwheel 1 to be smoothed.
  • the air is generated by a device 3 that generates an air stream, such as a pump or a compressor positioned below the machine table 10 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Details Of Gearings (AREA)
  • Gear Processing (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Cleaning In General (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Soil Working Implements (AREA)
  • Friction Gearing (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Forging (AREA)
US10/846,214 2004-02-12 2004-05-10 Working method and device for smoothing gearwheels Abandoned US20050181710A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04003107.2 2004-02-12
EP04003107A EP1574286B1 (de) 2004-03-01 2004-03-01 Arbeitsverfahren und Vorrichtung zum Glätten von Zahnrädern

Publications (1)

Publication Number Publication Date
US20050181710A1 true US20050181710A1 (en) 2005-08-18

Family

ID=34814240

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/846,214 Abandoned US20050181710A1 (en) 2004-02-12 2004-05-10 Working method and device for smoothing gearwheels

Country Status (7)

Country Link
US (1) US20050181710A1 (pl)
EP (1) EP1574286B1 (pl)
AT (1) ATE389505T1 (pl)
CA (1) CA2465454C (pl)
DE (1) DE502004006567D1 (pl)
ES (1) ES2304558T3 (pl)
PL (1) PL1574286T3 (pl)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050196246A1 (en) * 2004-03-04 2005-09-08 Fanuc Ltd Machine tool provided with cooling mechanism
US20100064755A1 (en) * 2007-03-28 2010-03-18 Johannes Koller Method and device for machining a toothing on a sintered part

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105290287B (zh) * 2015-11-19 2017-08-25 西安理工大学 一种立式冷滚打机床
CN115338752B (zh) * 2022-08-22 2023-07-18 国风塑业科技宿迁有限公司 一种塑料制品成型加工用表面处理设备

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1630835A (en) * 1926-05-03 1927-05-31 John W Doyle Method and means of utilizing expanding air
US4414780A (en) * 1981-08-21 1983-11-15 Jorgensen Arne R Gear burnishing and honing machine
US4528779A (en) * 1981-04-22 1985-07-16 Dieter Wiener Method of and arrangement for grinding of gears
US4635404A (en) * 1981-01-27 1987-01-13 Reishauer Ag Apparatus for machining a spur gear by means of a rotating gearlike tool
US4919232A (en) * 1989-05-12 1990-04-24 Hugh Lofton Cold lubricant misting device and method
US5079877A (en) * 1987-12-24 1992-01-14 Saratovskoe Spetsialnoe Konstruktorskoe Bjuro Zuboobrabatyvajuschikh Stankov Saratovskogo Stankostroitelnogo Proizvodstvennogo Obiedinenia Method for manufacture of toothed abrasive tool and method for finish-machining therewith
US5088243A (en) * 1990-08-06 1992-02-18 The Gleason Works Method of forming the teeth of longitudinally curved tooth gears
US5175962A (en) * 1991-09-05 1993-01-05 The Gleason Works Method of and apparatus for machining spur and helical gears
US5347760A (en) * 1992-09-04 1994-09-20 Honda Giken Kogyo Kabushiki Kaisha Gear finishing apparatus
US5359814A (en) * 1989-06-19 1994-11-01 Constant Velocity Systems, Inc. System for grinding a workpiece
US6126526A (en) * 1998-09-26 2000-10-03 Alfred H. Schutte Gmbh & Co., Kg Universal grinding machine
US6471007B1 (en) * 1999-11-18 2002-10-29 Vogel Japan Ltd. Oil mist lubricator
US20030012616A1 (en) * 2001-06-15 2003-01-16 Dieter Kress Tool

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1022863B (de) * 1953-05-20 1958-01-16 Crosweller & Co Ltd W Ventilantrieb, besonders fuer thermostatisch gesteuerte Mischventile
CH623501A5 (en) * 1977-07-13 1981-06-15 Richard Lottenbach Device for selective splash lubrication
JPH03131421A (ja) * 1989-10-16 1991-06-05 Mitsubishi Heavy Ind Ltd 歯車型工具
JPH11188570A (ja) * 1997-12-24 1999-07-13 Toyoda Mach Works Ltd 冷風冷却を用いた機械加工装置及び機械加工方法
JP3608152B2 (ja) * 2000-05-26 2005-01-05 ホーコス株式会社 切削液自動供給装置

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1630835A (en) * 1926-05-03 1927-05-31 John W Doyle Method and means of utilizing expanding air
US4635404A (en) * 1981-01-27 1987-01-13 Reishauer Ag Apparatus for machining a spur gear by means of a rotating gearlike tool
US4528779A (en) * 1981-04-22 1985-07-16 Dieter Wiener Method of and arrangement for grinding of gears
US4414780A (en) * 1981-08-21 1983-11-15 Jorgensen Arne R Gear burnishing and honing machine
US5079877A (en) * 1987-12-24 1992-01-14 Saratovskoe Spetsialnoe Konstruktorskoe Bjuro Zuboobrabatyvajuschikh Stankov Saratovskogo Stankostroitelnogo Proizvodstvennogo Obiedinenia Method for manufacture of toothed abrasive tool and method for finish-machining therewith
US4919232A (en) * 1989-05-12 1990-04-24 Hugh Lofton Cold lubricant misting device and method
US5359814A (en) * 1989-06-19 1994-11-01 Constant Velocity Systems, Inc. System for grinding a workpiece
US5088243A (en) * 1990-08-06 1992-02-18 The Gleason Works Method of forming the teeth of longitudinally curved tooth gears
US5175962A (en) * 1991-09-05 1993-01-05 The Gleason Works Method of and apparatus for machining spur and helical gears
US5347760A (en) * 1992-09-04 1994-09-20 Honda Giken Kogyo Kabushiki Kaisha Gear finishing apparatus
US6126526A (en) * 1998-09-26 2000-10-03 Alfred H. Schutte Gmbh & Co., Kg Universal grinding machine
US6471007B1 (en) * 1999-11-18 2002-10-29 Vogel Japan Ltd. Oil mist lubricator
US20030012616A1 (en) * 2001-06-15 2003-01-16 Dieter Kress Tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050196246A1 (en) * 2004-03-04 2005-09-08 Fanuc Ltd Machine tool provided with cooling mechanism
US7114895B2 (en) * 2004-03-04 2006-10-03 Fanuc Ltd Machine tool provided with cooling mechanism
US20100064755A1 (en) * 2007-03-28 2010-03-18 Johannes Koller Method and device for machining a toothing on a sintered part
US8783080B2 (en) 2007-03-28 2014-07-22 Miba Sinter Austria Gmbh Method and device for machining a toothing on a sintered part

Also Published As

Publication number Publication date
CA2465454C (en) 2009-03-24
ES2304558T3 (es) 2008-10-16
EP1574286A1 (de) 2005-09-14
DE502004006567D1 (de) 2008-04-30
PL1574286T3 (pl) 2008-08-29
EP1574286B1 (de) 2008-03-19
CA2465454A1 (en) 2005-08-12
ATE389505T1 (de) 2008-04-15

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