EP2178428A2 - Procédé pour fabriquer un arbre d'entrainement - Google Patents

Procédé pour fabriquer un arbre d'entrainement

Info

Publication number
EP2178428A2
EP2178428A2 EP08802945A EP08802945A EP2178428A2 EP 2178428 A2 EP2178428 A2 EP 2178428A2 EP 08802945 A EP08802945 A EP 08802945A EP 08802945 A EP08802945 A EP 08802945A EP 2178428 A2 EP2178428 A2 EP 2178428A2
Authority
EP
European Patent Office
Prior art keywords
shaft
toothing
cutter
food processor
coupling
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.)
Withdrawn
Application number
EP08802945A
Other languages
German (de)
English (en)
Inventor
Roman Sabec
Jurij Pesec
Aleksander Oblak
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2178428A2 publication Critical patent/EP2178428A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23C—MILLING
    • B23C3/00—Milling particular work; Special milling operations; Machines therefor
    • B23C3/28—Grooving workpieces
    • B23C3/30—Milling straight grooves, e.g. keyways
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D2001/102—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via polygon shaped connections
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49462—Gear making
    • Y10T29/49464—Assembling of gear into force transmitting device
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49462—Gear making
    • Y10T29/49467—Gear shaping
    • Y10T29/49476—Gear tooth cutting
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49995—Shaping one-piece blank by removing material
    • Y10T29/49996—Successive distinct removal operations
    • 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
    • Y10T409/10—Gear cutting
    • Y10T409/101431—Gear tooth shape generating
    • Y10T409/103816—Milling with radial faced tool
    • Y10T409/103975—Process
    • 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
    • Y10T409/10—Gear cutting
    • Y10T409/101431—Gear tooth shape generating
    • Y10T409/105883—Using rotary cutter
    • 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
    • Y10T409/10—Gear cutting
    • Y10T409/107791—Using rotary cutter
    • Y10T409/10795—Process
    • 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
    • Y10T409/10—Gear cutting
    • Y10T409/107791—Using rotary cutter
    • Y10T409/108109—End mill
    • 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
    • Y10T409/10—Gear cutting
    • Y10T409/107791—Using rotary cutter
    • Y10T409/108745—Cutting action along work axis
    • Y10T409/108904—Cutting action intersecting work axis

Definitions

  • the invention relates to a method for producing a shaft, in particular the drive shaft of a food processor, with an end-side, spline-like toothing, which can be brought into positive engagement with a complementarily shaped coupling, wherein the toothing is produced by machining the drive shaft by means of a milling cutter, and a food processor with a coupling, in which a provided with a splined toothing, shaft, preferably a drive shaft, can be used in positive engagement.
  • a generic food processor is described in the document DE 35 32 038 C2.
  • the prior art food processor has a vertical drive shaft, which is at its lower end in operative connection with an electric drive.
  • the upper end of the drive shaft is provided with a splined toothing on which the complementarily shaped coupling of a disc-like tool can be placed.
  • a cylindrical milling cutter is guided through the material of the shaft, wherein its radial surface moves along a wall of the toothing and the axial surface along the adjacent wall of the toothing.
  • the axis of rotation of the milling cutter is perpendicular to a wall to be machined, aligned parallel to the other wall and offset from the longitudinal axis of the shaft, so that one wall on the end face and the other on the peripheral surface of the cutter.
  • the invention has for its object to provide an improved method for producing a shaft, in particular for a food processor, as well as an improved food processor ..
  • a food processor for a food processor
  • an improved food processor for adjusting the clutch low-vibration and smooth running.
  • the invention is achievable in that the shaft is less prone to dodge asymmetrically relative to the cutter. Likewise, form tolerances of the teeth are smaller for possible positional deviations of the milling cutter.
  • the object is further achieved in that in the transmission of torque, the positively acting contact areas between the toothing and the complementary recess of the coupling are arranged substantially on an axis of the coupling equidistantly surrounding cylinder jacket surface.
  • the axis of rotation (13) of the milling cutter (10) is inclined relative to the machined walls (6, 6 ') of the toothing (3).
  • the axis of rotation of the milling cutter is advantageously inclined with respect to the radial extent of the machined walls of the toothing by an angle which essentially corresponds to half the opening angle of the toothing.
  • the inclination angle of the milling cutter is therefore preferably 45 °.
  • the axis of rotation of the milling cutter is positioned outside the shaft to be machined.
  • the tool is designed as a side milling cutter with a V-shaped radial surface, in which the cutting edges are incorporated.
  • the axis of rotation of the milling cutter is positioned crossing with respect to the longitudinal axis of the shaft.
  • the axis of rotation of the cutter is aligned orthogonal to the longitudinal axis of the shaft.
  • the preferably used end mill runs at its free
  • the cone tip can be made rounded.
  • the longitudinal axis of the milling cutter is inclined to the longitudinal axis of the shaft in such a way that the two axes enclose an angle of less than 90 °, preferably between 15 ° and 75 °, particularly preferably between 30 ° and 60 °, more preferably substantially 45 °.
  • the milling cutter is preferably in cylindrical milling cutters.
  • the cross section of the groove is substantially elliptical and is determined by the angle of inclination of the axes to one another and the diameter of the milling cutter.
  • the milling cutter is guided in the longitudinal direction of the shaft so that it has a longitudinal groove in the peripheral surface of the shaft - -
  • a shaft is provided with four longitudinal grooves, but other embodiments of the invention are conceivable, in particular the formation of 3 or 5 longitudinal grooves.
  • the profile of the toothing of the shaft and the complementary recess of the coupling are in particular approximately cross-shaped. Moreover, this toothing, which is particularly easy to produce using the method according to the invention, is sufficiently robust and insensitive to soiling for use in the kitchen.
  • the mechanical strength and the cleaning behavior can be further improved by a rounding of the groove base of the toothing, wherein the radius of the groove bottom, for example, 0.05 times to 0.2 times, more preferably about 0.125 times the outer diameter of the toothing. If the rounding of the groove base extends far radially outwards, the orientation of the walls in the sense of the present invention is to be understood as the tangents to the radially outer point of the walls.
  • the inner diameter of the toothing, which forms the groove base, is advantageously 0.5 times to 0.75 times, in particular 0.625 times, the outer diameter of the toothing.
  • the constructive predetermined game between teeth of the shaft and recess of the coupling is further designed according to an advantageous embodiment of the invention that the toothing of the shaft when transmitting a torque against the complementary, formed with excess recess of the coupling along the common longitudinal axis by an angle of 15 ° to 20 °, preferably about 17.5 ° turned is aligned.
  • Fig. 1 a side view of an inventively designed coupling portion with a longitudinally-cut coupling in design position;
  • FIG. 2 shows a cross section A-A through the coupling region shown in FIG
  • FIG. 3 shows the cross section according to FIG. 2 immediately after the shaft has been joined into the coupling
  • FIGS. 2 and 3 shows the cross section according to FIGS. 2 and 3 during the transmission of a torque
  • FIG. 5 shows an enlarged detail of the illustration according to FIG. 4;
  • Fig. 6 the production of a toothing according to the prior art
  • FIG. 7 shows a first method according to the invention for producing the toothing
  • Fig. 8 a manufacturing method according to another embodiment of the invention.
  • the shaft 1 is at her in the coupling 2 insertable end provided with extending in the longitudinal direction, a cross-shaped toothing 3, which in a complementary, but enlarged recess 4 of the clutch 2 can be used.
  • the shaft 1 is spaced from the coupling 2 by an approximately equidistantly extending radial gap 5.
  • the gap width s for example, be 1, 5 mm.
  • the adjoining walls 6, 6 'of the toothing 3 are aligned approximately at right angles to each other and go into each other in a generously rounded groove bottom 7.
  • a cylindrical cutter 10 is guided along the shaft 1 that its end face 11 at least partially on the wall 6 'and its peripheral surface 12 partially on the wall 6 abut.
  • the axis of rotation 13 is offset relative to the longitudinal axis 8 of the shaft 1 and to the walls 6, 6 'aligned in parallel or at right angles and is moved in the longitudinal direction.
  • the finger-like cutter 10 tends to deviate from the desired milling position by bending. Likewise already introduces - -
  • the axis of rotation 13 of the milling cutter 10 is inclined relative to the walls 6, 6 ', the angle of inclination ⁇ being 45 ° in the case of the teeth 3 shown at right angles to one another in the embodiments 6 and 6'.
  • the cutter 10 may be formed like a disk with V-shaped peripheral surface 12, wherein the axis of rotation 13 offset from the longitudinal axis 8 of the shaft 1 and out of the cross section of the shaft 1 is aligned, from the cutter 10 to the shaft 1 exerted force F, however, defined in the direction of the longitudinal axis 8 extends.
  • a cutter 10 with a conical end face 1 1 are used (Fig. 8), the axis of rotation 13 is also inclined by an angle ⁇ of 45 ° relative to the walls 6, 6 ', but in the direction of the longitudinal axis 8 of the shaft 1 is aligned.
  • a more symmetrical toothing 3 of the shaft 1 can be created in a simple manner.
  • a food processor can be provided with a particularly low-vibration and quiet running.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food-Manufacturing Devices (AREA)
  • Milling Processes (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Mechanical Operated Clutches (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un arbre (1), en particulier de l'arbre d'entraînement d'un robot ménager, comprenant une denture (3) du côté de l'extrémité, du type à arbre cannelé, qui peut être amenée en prise par correspondance géométrique avec un accouplement (2) de forme complémentaire. La denture est fabriquée par usinage par enlèvement de copeaux de l'arbre d'entraînement au moyen d'une fraise (10). Conformément à l'invention, il est prévu que la fraise (10) vienne en prise avec l'arbre (1) essentiellement depuis la direction radiale par rapport à l'axe longitudinal de l'arbre. Grâce au procédé selon l'invention, on peut produire aisément une denture symétrique (3) de l'arbre (1). Grâce à l'invention, on peut obtenir un robot ménager fonctionnant très silencieusement et avec peu de vibrations.
EP08802945A 2007-08-14 2008-07-30 Procédé pour fabriquer un arbre d'entrainement Withdrawn EP2178428A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007038370.5A DE102007038370B4 (de) 2007-08-14 2007-08-14 Verfahren zur Herstellung einer Antriebswelle
PCT/EP2008/059977 WO2009021843A2 (fr) 2007-08-14 2008-07-30 Procédé pour fabriquer un arbre d'entrainement

Publications (1)

Publication Number Publication Date
EP2178428A2 true EP2178428A2 (fr) 2010-04-28

Family

ID=40032457

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08802945A Withdrawn EP2178428A2 (fr) 2007-08-14 2008-07-30 Procédé pour fabriquer un arbre d'entrainement

Country Status (4)

Country Link
US (1) US8651779B2 (fr)
EP (1) EP2178428A2 (fr)
DE (1) DE102007038370B4 (fr)
WO (1) WO2009021843A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102941443A (zh) * 2012-11-05 2013-02-27 宁波镇明转轴有限公司 一种传动螺杆的制造方法
CN112756708B (zh) * 2021-01-06 2022-03-11 中南大学 一种超声辅助冷摆碾压成型圆锥齿轮的装置及加工方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006645A1 (de) * 1980-02-22 1981-09-03 Frantisek 6380 Bad Homburg Flekac Verbindungselement und das verbindungselement aufnehmende aussparungen zum verbinden zweier maschinenelemente

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BE403622A (fr) *
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US1905277A (en) * 1931-08-03 1933-04-25 Otto F Ewert Method of making spline couplings
US2164643A (en) * 1935-10-21 1939-07-04 Michigan Tool Co Method of cutting tapered spline
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US3301135A (en) * 1965-07-01 1967-01-31 Nat Acme Co Milling mechanism
GB1191868A (en) 1967-08-15 1970-05-13 Heywood & Co S H Improvements in Wheel or Drum Drives
DE1957510C2 (de) 1969-11-15 1982-04-22 Robert Bosch Gmbh, 7000 Stuttgart Handgeführtes Schlagbohrgerät
AU1368570A (en) * 1970-04-09 1971-10-14 Turner Industries Limited Method and apparatus for milling and forming screwdriver bits or blade
DE2650955C2 (de) 1976-11-08 1985-06-27 Hermann Werner Gmbh & Co, 5600 Wuppertal Schlagmesser-Fräsmaschine
DE3532038C1 (en) * 1985-09-09 1991-09-12 Braun Ag Kitchen utensil operated by electric motor
JPH0283108A (ja) * 1988-09-19 1990-03-23 Sumitomo Electric Ind Ltd 金型のリブ成形溝加工用エンドミル
DE4132487C2 (de) * 1991-09-30 1994-09-29 Werner Hermann Wera Werke Schlagmesser-Fräsmaschine und zugehöriger Werkzeugträger
DE19953089A1 (de) * 1999-11-04 2001-05-17 Daimler Chrysler Ag Erzeugung periodischer Strukturen auf rotationssymmetrischen Bauteilen
FR2820021B1 (fr) * 2001-01-31 2003-10-03 Seb Sa Accessoires de travail rotatifs pour appareil electromenager de preparation culinaire
DE10318408B4 (de) * 2003-04-23 2013-08-29 Volkswagen Ag Verfahren und Vorrichtung zur Herstellung von Kugellaufbahnen an Gleichlaufgelenknaben
JP2005022058A (ja) * 2003-07-02 2005-01-27 Nsk Ltd トロイダル型無段変速機の入力軸のボールスプライン溝加工方法及びボールスプライン溝加工装置並びにトロイダル型無段変速機の入力軸
WO2007051222A1 (fr) * 2005-11-02 2007-05-10 Bishop Steering Technology Limited Machine a fraiser des rainures

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3006645A1 (de) * 1980-02-22 1981-09-03 Frantisek 6380 Bad Homburg Flekac Verbindungselement und das verbindungselement aufnehmende aussparungen zum verbinden zweier maschinenelemente

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2009021843A2 *

Also Published As

Publication number Publication date
WO2009021843A2 (fr) 2009-02-19
WO2009021843A3 (fr) 2009-04-09
DE102007038370A1 (de) 2009-02-19
US20110200405A1 (en) 2011-08-18
DE102007038370B4 (de) 2015-10-01
US8651779B2 (en) 2014-02-18

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