WO2018024354A1 - Procédé et outil pour augmenter la résistance d'une roue dentée - Google Patents

Procédé et outil pour augmenter la résistance d'une roue dentée Download PDF

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Publication number
WO2018024354A1
WO2018024354A1 PCT/EP2017/000809 EP2017000809W WO2018024354A1 WO 2018024354 A1 WO2018024354 A1 WO 2018024354A1 EP 2017000809 W EP2017000809 W EP 2017000809W WO 2018024354 A1 WO2018024354 A1 WO 2018024354A1
Authority
WO
WIPO (PCT)
Prior art keywords
gear
flank
tool
forming body
tooth root
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.)
Ceased
Application number
PCT/EP2017/000809
Other languages
German (de)
English (en)
Inventor
Markus Heilmann
Thomas Schimmer
Philipp Buratowski
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Audi AG
Original Assignee
Audi AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Audi AG filed Critical Audi AG
Priority to EP17737479.0A priority Critical patent/EP3493928A1/fr
Publication of WO2018024354A1 publication Critical patent/WO2018024354A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F19/00—Finishing gear teeth by other tools than those used for manufacturing gear teeth
    • B23F19/05—Honing gear teeth

Definitions

  • the present invention relates to a method for increasing a
  • Gears in particular gears, are among the most highly stressed components in a transmission. Accordingly, defects requiring replacement of a gearbox are largely due to wear of flanks of respective teeth of a gear, due to tooth breakage or due to so-called "pitting" in which small recesses are introduced into a respective tooth during operation of a gearbox, caused to a wear-related
  • gears are hardened by means of strength-blasting processes, in which a respective gear with ceramic or
  • German patent document DE 196 19 401 C1 describes a method for the abrasive dressing of a grinding worm with a profiling tool.
  • German document DE 196 248 42 A1 discloses a tool and a method for dressing grinding worms, in which both a profile and a form-dressing process is performed.
  • a method for profiling of modified grinding worms is disclosed in the German publication DE 197 06 867 B4.
  • a method for increasing a load capacity of a gear in which at least one forming body is guided along the gear and the at least one forming body with at least one edge and / or at least one tooth root of the gear in contact, and wherein by means of the contact between the at least one forming body and the at least one flank and / or the at least one tooth root of the gear pressure compressive stresses in the at least one flank and / or the at least one tooth root of the
  • the presented process unlike a grinding process, does not chip, i. H. not marked by material removal, and serves
  • a respective toothed wheel with at least one
  • Forming body is machined, which comes into contact with at least one flank and / or at least one tooth root of a respective gear and on the at least one flank and / or the at least one tooth root of the gear exerts a pressure, so that residual compressive stresses in the at least one flank and / or the at least one tooth root of the gear are generated.
  • the gear is hardened and thus more resilient to an untreated condition.
  • a respective toothed wheel to be clamped and to have at least one toothed wheel
  • Tool is processed, which comprises at least one Umform stresses and the at least one Umform stresses is moved along the gear, in order to come into contact with at least one flank and / or at least one tooth root of the toothed wheel and to pressurize the at least one flank and / or the at least one tooth root, which results in compressive residual stresses in the at least one flank and / or the at least one tooth root introduced and corresponding
  • a respective forming body can be arranged rigidly or movably on a respective tool.
  • the toothed wheel which has at least one deformable body or at least one deformable body
  • the tool is designed as a toothed wheel, which engages over arranged on respective teeth of the gear forming in the gear to be machined to machine this.
  • the at least one flank and the at least one tooth root of the gear are applied simultaneously or chronologically successively by means of the at least one Umform stresses with a pressure, ie smoothed or rolled.
  • a pressure ie smoothed or rolled.
  • different flanks of a tooth of a respective toothed wheel are machined at the same time by inserting a forming body into respective recesses surrounding a tooth, which is shaped corresponding to the recesses.
  • the forming body may further have a length which allows the forming body, at the same time, ie, when inserted into the recesses, respective tooth bases of the gear and respective flanks to apply pressure, so that compressive stresses are introduced into the flanks and the tooth roots.
  • the at least one inventively provided forming body can also be designed such that this at a
  • the forming body can also be designed such that during a movement of the Umform stresses on the gear along first a flank and then a tooth root of a respective tooth or another flank of another tooth comes into contact with the Umformmaschine to
  • a respective forming body can, for example, together with a plurality of other forming bodies, which can be configured, for example, as rolling elements or pressure bodies, d. H. the movable or rigid at a corresponding
  • respective Umform Sciences for contacting different elements of a gear ie a flank or a tooth root
  • respective Umform Sciences for contacting different elements of a gear ie a flank or a tooth root
  • respective Umform stresses are introduced into the gear.
  • a deformation of the at least one flank and / or the at least one tooth root of the gear is set by the at least one formed body by means of a variation of at least one parameter of the following list of parameters:
  • Forming body temperature of the gear, by means of at least one forming body on the at least one flank and / or the tooth applied pressure, speed of at least one UmformMechs, speed of the gear, and Achsnchwinkel between the gear and the at least one UmformMech.
  • Parameters such as, for example, a pressure with which a respective forming body acts on the gear or a Achsnchwinkel with which a respective forming body rolls on the gear can be adjusted. Different parameters can be different at different times
  • a reforming body at high temperatures ie, temperatures near a melting point of a respective gear forming material lie on the gear and then the gear are cooled quickly.
  • an axis cross-angle is to be understood in particular as meaning an angle between an axis which is centered on a honing tool and orthogonal on a transverse axis of the tool, such as a rotation axis of the tool
  • Honing tool and a through a center of a gear and orthogonal on a transverse axis of the gear standing axis, such as.
  • a rotational axis of the gear is formed.
  • a Achsnchwinkel between the at least one Umform manipulate and the gear or a respective tooth is changed by a diameter of the at least one Umform stressess at respective contact surfaces between the at least one Umformigen and the gear in the course of at least one Umform stressess is designed variable.
  • a variable ie, for example, an oblique or curved, course of a contact point of a Umform stressess a relative orientation of the Umform stressess can be influenced to a respective gear without an axis of Umform stressess must be moved.
  • the forming body automatically aligns with the gear and engages in accordance with a designated location in order to deform them and introduce corresponding compressive residual stresses in the site.
  • Hard finishing tool is. It is conceivable that the forming body provided according to the invention is part of a combination tool that combines a plurality of work steps.
  • the combination tool for example, a
  • Hard finishing tool include a respective gear first hard-worked before the gear by means of another
  • Forming body is selectively smoothed or rolled.
  • Forming body is moved according to inside or outside of the gear on the gear along.
  • the forming body provided according to the invention can be moved in an interior space formed by the gear, so that the forming body rolls on respective teeth of the gear wheel and / or rolls off the gear with its teeth on the forming body.
  • Umformа be guided externally around a respective gear around, so that the forming body rolls on respective teeth of the gear and / or the gear with its teeth on the Umformoasa or a forming body having tool, such as
  • the present invention relates to a tool for increasing a load capacity of a gear, with at least one forming body, wherein the at least one forming body is configured to be guided along the gear and in contact with at least one flank and / or at least one tooth root of the gear and wherein the at least one forming body is further configured to be in contact between the at least one forming body and at least one flank and / or at least one tooth root of the gear
  • the presented tool is used in particular for carrying out the presented method.
  • the presented tool is
  • the at least one forming body is arranged on a basic structure of the tool, which is substantially gear-shaped
  • the at least one forming body is configured as a substantially circular structure which is configured to contact the gear and to smoothly roll the gear and / or to roll, when the at least one forming body on the gear is moved along.
  • Umform stresses By means of a Umform stresses, for example.
  • a roller burnishing roller which is arranged on a tooth of a gear designed as a gear, in particular a tooth root of a gear can be efficiently pressurized, while the gear to be machined and the forming tool having each other, similar to the rolling two
  • the tool is a combination tool with at least one designed as a rolling body forming body for smooth rolling and / or with at least one rigid forming body for deep rolling and / or with at least one hard finishing tool.
  • Figure 1 shows a schematic representation of a possible embodiment of the method according to the invention.
  • FIG. 1 shows a machine 1 with a first tool 3, a second tool 5 and a third tool 7.
  • the tools 3, 5, and 7 rotate about their respective axes, as indicated by the arrows 9, and are thus in engagement with a gear 1 1 with respective forming bodies 15, 17, and 19 arranged on the tools 3, 5, and 7. While the gear 1 1 moves, as indicated by arrow 13, the forming bodies 15, 17 and 19 of the tools 3, 5 and 7 engage in recesses of the gear 1 1 a.
  • the first tool 3 contacted doing with the forming body 15, a right flank 21 a tooth 23 of the gear 1 1.
  • the second tool 5 contacted with the Umform stresses 17 a left flank 25 of a tooth 27 of the gear 1 1 and the third
  • Rolling body which is arranged, for example.
  • a detailed view of a forming body 15 is shown on the tool 3.
  • the forming body 15 is designed substantially round or spherical and sits in a receptacle 31 of the tool 3.
  • respective receptacles 31 of the tools 3, 5 and 7 different
  • Umform Economics such as, for example, a mixture of
  • Bear hard finishing tools, movable rolling elements and fixed forming bodies Bear hard finishing tools, movable rolling elements and fixed forming bodies.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Processing (AREA)

Abstract

La présente invention concerne un procédé pour augmenter la résistance d'une roue dentée (11), dans lequel au moins un corps de déformation (15, 17, 19) est guidé le long de la roue dentée (11) et ledit au moins un corps de déformation (15, 17, 19) est en contact avec au moins un flanc (21, 25) et/ou au moins un pied (29) de dent de la roue dentée (11) et dans lequel des contraintes internes de pression sont introduites dans ledit au moins un flanc et/ou dans ledit au moins un pied de dent la roue dentée au moyen du contact entre ledit au moins un corps de déformation (15, 17, 19) et ledit au moins un flanc (21, 25) et/ou ledit au moins un pied (29) de dent de la roue dentée. L'invention concerne également un outil pour augmenter la résistance d'une roue dentée.
PCT/EP2017/000809 2016-08-03 2017-07-10 Procédé et outil pour augmenter la résistance d'une roue dentée Ceased WO2018024354A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17737479.0A EP3493928A1 (fr) 2016-08-03 2017-07-10 Procédé et outil pour augmenter la résistance d'une roue dentée

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016009467.2 2016-08-03
DE102016009467.2A DE102016009467B4 (de) 2016-08-03 2016-08-03 Verfahren und Werkzeug zum Erhöhen einer Belastbarkeit eines Zahnrads

Publications (1)

Publication Number Publication Date
WO2018024354A1 true WO2018024354A1 (fr) 2018-02-08

Family

ID=59313189

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/000809 Ceased WO2018024354A1 (fr) 2016-08-03 2017-07-10 Procédé et outil pour augmenter la résistance d'une roue dentée

Country Status (3)

Country Link
EP (1) EP3493928A1 (fr)
DE (1) DE102016009467B4 (fr)
WO (1) WO2018024354A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019207287A1 (de) * 2019-05-18 2020-11-19 Robert Bosch Gmbh Vorrichtung und Verfahren zur Feinbearbeitung einer Verzahnung eines Bauteils

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH130484A (de) * 1927-03-28 1928-12-15 Bbc Brown Boveri & Cie Vorrichtung zum Glätten von Zahnflanken.
DE560568C (de) * 1926-07-21 1932-10-04 Lees Bradner Company Verfahren zum genauen Fertigbearbeiten roh vorgearbeiteter Zahnraeder
DE2711282A1 (de) * 1977-03-15 1978-09-21 Hurth Masch Zahnrad Carl Maschine zum feinbearbeiten von zahnraedern
JPS5441253A (en) * 1977-09-07 1979-04-02 Mitsubishi Heavy Ind Ltd Plastic working method for gear-surface
DE3422354A1 (de) * 1983-08-02 1985-02-14 Fa. Ernst Grob, Männedorf Verfahren und vorrichtung zum herstellen gehaerteter verzahnungen
JPH05277610A (ja) * 1992-03-27 1993-10-26 Aichi Kiki Kk 歯車の歯面仕上方法
DE19619401C1 (de) 1996-05-14 1997-11-27 Reishauer Ag Verfahren, Werkzeug und Vorrichtung zum Profilieren von Schleifschnecken für das kontinuierliche Wälzschleifen
DE19625285A1 (de) * 1996-06-25 1998-01-02 Kapp Werkzeugmasch Verfahren und Vorrichtung für die Feinbearbeitung der Zahnflanken eines Zahnrades auf einer Werkzeugmaschine
DE19624842A1 (de) 1996-06-21 1998-01-02 Reishauer Ag Verfahren zum flexiblen Profilieren von Schleifschnecken
DE19706867B4 (de) 1997-02-21 2007-12-06 Reishauer Ag Profiliermethoden zur Erzeugung modifizierter Schleifschnecken
DE102007035846A1 (de) * 2006-08-03 2008-02-14 GM Global Technology Operations, Inc., Detroit Vorrichtung und Verfahren zum Verstärker von Zahnradzähnen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005033183A1 (de) * 2005-07-13 2007-01-18 Wittenstein Ag Verfahren zum Bearbeiten von Zahnflanken und Verzahnungen

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE560568C (de) * 1926-07-21 1932-10-04 Lees Bradner Company Verfahren zum genauen Fertigbearbeiten roh vorgearbeiteter Zahnraeder
CH130484A (de) * 1927-03-28 1928-12-15 Bbc Brown Boveri & Cie Vorrichtung zum Glätten von Zahnflanken.
DE2711282A1 (de) * 1977-03-15 1978-09-21 Hurth Masch Zahnrad Carl Maschine zum feinbearbeiten von zahnraedern
JPS5441253A (en) * 1977-09-07 1979-04-02 Mitsubishi Heavy Ind Ltd Plastic working method for gear-surface
DE3422354A1 (de) * 1983-08-02 1985-02-14 Fa. Ernst Grob, Männedorf Verfahren und vorrichtung zum herstellen gehaerteter verzahnungen
JPH05277610A (ja) * 1992-03-27 1993-10-26 Aichi Kiki Kk 歯車の歯面仕上方法
DE19619401C1 (de) 1996-05-14 1997-11-27 Reishauer Ag Verfahren, Werkzeug und Vorrichtung zum Profilieren von Schleifschnecken für das kontinuierliche Wälzschleifen
DE19624842A1 (de) 1996-06-21 1998-01-02 Reishauer Ag Verfahren zum flexiblen Profilieren von Schleifschnecken
DE19625285A1 (de) * 1996-06-25 1998-01-02 Kapp Werkzeugmasch Verfahren und Vorrichtung für die Feinbearbeitung der Zahnflanken eines Zahnrades auf einer Werkzeugmaschine
DE19706867B4 (de) 1997-02-21 2007-12-06 Reishauer Ag Profiliermethoden zur Erzeugung modifizierter Schleifschnecken
DE102007035846A1 (de) * 2006-08-03 2008-02-14 GM Global Technology Operations, Inc., Detroit Vorrichtung und Verfahren zum Verstärker von Zahnradzähnen

Also Published As

Publication number Publication date
DE102016009467B4 (de) 2023-02-23
EP3493928A1 (fr) 2019-06-12
DE102016009467A1 (de) 2018-02-08

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