WO2019170403A1 - Dispositif de contrôle de roulement, système d'usinage et procédé de contrôle de roulement sur deux flancs d'une denture - Google Patents

Dispositif de contrôle de roulement, système d'usinage et procédé de contrôle de roulement sur deux flancs d'une denture Download PDF

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Publication number
WO2019170403A1
WO2019170403A1 PCT/EP2019/053994 EP2019053994W WO2019170403A1 WO 2019170403 A1 WO2019170403 A1 WO 2019170403A1 EP 2019053994 W EP2019053994 W EP 2019053994W WO 2019170403 A1 WO2019170403 A1 WO 2019170403A1
Authority
WO
WIPO (PCT)
Prior art keywords
toothing
shaft
axis
wälzprüfeinrichtung
counter
Prior art date
Application number
PCT/EP2019/053994
Other languages
German (de)
English (en)
Inventor
Stephan Kadlubski
Original Assignee
Gleason-Pfauter Maschinenfabrik 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 Gleason-Pfauter Maschinenfabrik Gmbh filed Critical Gleason-Pfauter Maschinenfabrik Gmbh
Publication of WO2019170403A1 publication Critical patent/WO2019170403A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
    • B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
    • B23F23/1218—Checking devices for controlling workpieces in machines for manufacturing gear teeth
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/20—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures
    • G01B5/202—Measuring arrangements characterised by the use of mechanical techniques for measuring contours or curvatures of gears
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/021—Gearings

Definitions

  • the invention relates to a Wilzprüf adopted for a two-flank Wälz phenomenon carried by a free-running shaft, having a rotation axis teeth, with a holder for holding the shaft during the Wälz phenomenon, and with a rotationally driven, rolling in the Wälz phenomenon with the toothing counter teeth, and a such a Wälzprüf proposed having Vergingungsbearbeitungssystem
  • the two-flank rolling test is well known to those skilled in the art as a test method with which, for example, the running behavior of a toothing can be checked. In addition to random checks, these are also used to check in advance any gear or toothing to be machined later, for example by honing, by means of an oversize inspection.
  • the measured variable of the two-flank rolling test is the axial distance variation. All this is known and described, for example, on page 676 of the textbook "Innovative Zahnradfertigung" by Thomas Bausch, 3 Edition.
  • either the teeth to be checked can be driven to rotate, which then also causes the counter-wheel to rotate via the engagement with the counter-wheel, or vice versa.
  • the former case is particularly useful when the rolling test already takes place in a clamping, in which then takes place a processing of the tested teeth, so that a spindle drive for later processing can be used as a drive for the rolling test.
  • the mating gear is driven, the toothing can be mounted freely rotatably with conventional tensioning devices.
  • the invention has for its object to improve a Wälzprüf conjugate of the type mentioned in particular with a view to easier handling.
  • the shaft is not clamped according to the invention via a clamping device.
  • no two-sided holding is effected via grains engaging in centers of the shaft.
  • the shaft can be stored in the invention, for example by means of a gripper on the holder.
  • the holder is designed such that the toothing axis then runs parallel to the axis of rotation of the counter teeth in the rolling test within the usual tolerances allowed.
  • the invention accepts the disadvantage of having to work with a workpiece-bound holder in comparison to the usual clamping devices or holders used above grains. Because the diameter of the cylindrical shaft sections may vary from application to application be different, and the two used to support shaft sections may already have different diameters among themselves already.
  • the invention thus provides a mount which is passive by not requiring active movement or actuation of the mount between machining state of the retained shaft and a release state for removal of the shaft from the rolling test device.
  • the support for the support on two retaining arms can be designed as holding shells and in particular be separate components. In this way, the Werk Gindelheit the holder is only in the workpiece-bound design of the support arms.
  • the axial distance of the retaining arms is adjustable, in particular whose respective axial position is adjustable. This increases the flexibility of Wälzprüf published.
  • a mobility of the support arms is given in particular via a common rail.
  • the common rail simplifies the realization of the axis parallelism of the toothing axis and the countershaft axis.
  • a release or locking of the retaining arms from / to the rail can be achieved without tools, for example via conventional quick-release devices.
  • first contact surface For supporting against at least a predominant proportion of gravity has / have one or more of the support arms on a first contact surface. This can be horizontal in particular. A planar configuration of the first contact surface is preferred as a whole or at least in the contact region. The contact surface forms a tangent plane to the cylinder jacket surface of the supported shaft section.
  • one or more of the support arms has / have a second contact surface, which in any case opposes the shaft supports a part of a force applied via the counter teeth toothing force.
  • the usually used in the Wälz phenomenon pressing the counter teeth against the teeth to be tested is preferably taken mainly by the second bearing surface.
  • This is preferably also designed as a planar surface and can stand for a simple geometry perpendicular to the first contact surface.
  • first and second abutment surface is also advantageous for the below-described realization of a plane parallelism between these abutment surfaces and mounting surfaces of the support arms on, for example, the common rail.
  • one or more of the support arms has / have a third and / or a fourth contact surface with whose abutment on the rail the position of the support arm is determined in space, wherein in particular the third contact surface (first mounting surface) parallel to first contact surface and / or the fourth contact surface (second mounting surface) is parallel to the second contact surface.
  • the workpiece-bound support arms can be made particularly simple, since with given plane parallelism as determinants in the production only the distances between the first and third or third and fourth contact surface must be met.
  • first and second abutment surface to each other as well as in principle other types of mounting of the support arms in the Wälzprüf drives are conceivable.
  • the retained cylindrical portions may be suitable for later use as bearing seats, e.g. with tolerance field H4, H5, H6, be formed sections.
  • the retaining arms are not only workpiece-bound, but also wearing parts. This is because by continuous use of the Wälzprüf adopted abrasion occurs at the contact areas of the contact surface.
  • the support arms are made of a wear-resistant material as possible, such as tool steel.
  • a wear resistance-increasing coating is provided on the contact surfaces, suitable here are for example tungsten carbide, titanium carbonitride, coatings produced in the thin-layer chromium process such as ATC, or PVD or PACVD coatings such as the BALINIT Dünnfiimbe Anlagenung of Oerlikon based eg AICrN, TiAIN, CrN or TiM.
  • the holding arms designed for a specific workpiece batch are present, they are adjusted to the axially appropriate spacing, for example, attached to a common rail of the rolling test device. Then the welts can be placed on the support arms.
  • a holding arm or both holding arms on the opposite with respect to the shaft of the second Aniage Scheme side still an embrace with respect to the height level of the first contact surface. In this way, a dropping down of the shaft can be avoided.
  • the shaft is then kept pressed in its final position during the rolling test against the contact surface (s) of the retaining arms. In that regard, the pressure force of the counter toothing contributes to fixing the position of the shaft axis.
  • axially displaceable stops stoppers
  • the axis of the counter-toothing is higher than the shaft axis and / or the axis distance axis used for the measured variable extends at an angle not exceeding 90 ° to the second contact surface. In this way it is easily ensured that the shaft axis retains its orientation.
  • test side with counter gear and its drive is preferably provided that this can take different axial positions with respect to an axial reference of the holding arm mounting.
  • it is to a slide axially parallel to the particular common rail for the support arms displaced.
  • displaceability can preferably be performed without tools, in particular by releasing a quick release, desired axial positioning and locking by the quick release.
  • the Wälzprüf shark can be used by additional holding elements for discs. These holding elements can rotate about the center of the disk store (conventional storage as in the prior art), and are preferably on the assembly side as the holding arms eventuallyiegt.
  • the invention also provides under protection a machining system with a gear processing machine, which may be a honing machine, but also another machine for machining the teeth, such as other hard finishing machines such as grinding or hard peeling machines, or else gear generating machines such as WälzClmaschinen, Wälz narrowmaschinen, WälzClmaschinen , but also secondary processing such as the chamfering or introduction of structures into the toothing, as well as with a Wälzprüf adopted according to one of the aforementioned aspects,
  • these can be coupled via a tool automation, that is, the waves are automatically fed to the Wälzprüf planted and automatically passed to the Wälzprüfen after the gear processing machine.
  • the invention provides under protection a method for two-flank Wälzprüfen a carried by a freewheeling shaft, having a rotation axis toothing, in which the while during the Wälz phenomenon with a rotationally driven, with the toothing rolling counter teeth is held by a holder, the essentially characterized in that the shaft of the holder at two axially spaced-apart cylindrical portions, the cylinder axis coincides with the tooth axis, viewed in the radial direction laterally from the outside against gravity is truncated.
  • Fig. 1 shows a Wälzprüf volunteer
  • Fig. 2 shows schematically a such Wälzprüf volunteer exhibiting
  • a rolling test device 100 is shown.
  • a toothing 2 which is supported by a shaft 1 is tested.
  • the teeth of the toothing are not shown, just as little as the teeth of the counter toothing 20 with which the test he follows.
  • the counter-toothing 20 is mounted on a tool spindle with an axis of rotation B and rotationally driven via Spindeiantrieb 40.
  • the shaft 1 Prior to such Wälzexposition the shaft 1, for example, by a gripper, not shown in two holding arms 13, 14 is inserted, which are designed in this embodiment as holding shells. These holding shells 13, 14 receive and support cylindrical shaft sections 3 and 4, respectively, against the weight force, which is e.g. could serve as seats for the storage of the welts in the later use of the shaft 1.
  • the holding shells 13, 14 via tool-free operable quick release 11, 12 detachable from a running rail 71, can be moved to the desired axial position and tightened again.
  • a first contact surface 24 of the left in Fig. 1 holding arm 14 is arranged horizontally. It is supported against the weight of the shaft 1 and also against a small portion of a contact pressure, which is introduced via the counter-toothing 20 in the rolling test, since at radial delivery along axis X via rail 01 along the axis spacing axis, this under a low angle in this embodiment is directed to the horizontal and thus the gearing 2 proportionately according to "pushes down".
  • a second abutment surface 34 which in this embodiment is arranged vertically to the first abutment surface 24 on the left in FIG. 1 holding arm 14, supports the shaft against the main part of the pressing force.
  • the latter is so small that the cylindrical sections (seats) 3, 4 experience no influence on the later property of the object.
  • the surfaces 24, 34 and the corresponding surfaces 33 of the other support arm 13 are in this embodiment as well preferably provided with a wear resistance-increasing coating to increase the life of the support arms 13, 14, Once the surfaces 24, 14 were exposed to a certain abrasion however, if replacement of the support arms 13, 14 is not required immediately, it is sufficient to use a calibration shaft with a gearing to recalibrate the Wälz test measurement apparatus to a final wear limit.
  • the toothing 2 is a helical toothing (and in the case of the counter toothing 20 a counter-helical toothing correspondingly adapted for maintaining parallel axes), small axial forces occur on the shaft 1 in the rolling test engagement.
  • the designated in Fig 1 by the reference numerals 15 and 16 stop elements are provided.
  • the axial position of the stop elements 15, 16 is also adjustable without tools.
  • Also adjustable without tools is the axial position of the counter-toothing 20 via axial movement along a positioning rail 51, whose longitudinal direction extends parallel to the axis of rotation of the counter-toothing.
  • the infeed axis and axle spacing axis X or their adjustment during positioning of the counter-toothing 20 takes place by means of carriage movement of a carriage 62 via rail 61.
  • the feed movement of the counter-toothing 20 is damped and braked in its final phase by means 64.
  • the holding arms 13, 14 have a third abutment surface which is parallel to the first abutment surface 24 and the corresponding abutment surface of the right in Fig. 1 holding arm 13 and with which they in the in Fig. 1 according to upwardly directed tread 23 of the track 71 rest.
  • the running rail 71 here has a guide groove 74, in the guide elements, not shown, of the holding arms 13, 14 run along.
  • the holding arms 13, 14 have fourth contact surfaces which run parallel to the second contact surfaces 33, 34 and with which the holding arms 13, 14 abut against the shaft 1 facing side surface 72 of the running rail 71.
  • the Hattearme 13, 14 are dimensioned so that the distance between the second and fourth bearing surface plus the radius of the held cylindrical portion 4 and 3 assumes the same value. Also, the dimensioning is such that the distance between the first and third abutment surface less this radius is equal to both holding arms. Are thus the radii of the seats 3 and 4 different sizes, the dimensions of the provided support arm are correspondingly different.
  • the support arms 13, 14 are thus workpiece-bound components and wear parts, which, however, as described above, designed in a particularly simple form and in particular at attraction of the parallelism between the first and third or second and fourth contact surfaces are easy to produce.
  • the toothing 2 to be tested is arranged between the seats 3, 4.
  • the shaft 1 facing surface of the surface 34 opposite Umgriffs 44 of the support arm 14 would be designed as a second contact surface (and thus tilting avoid the shaft axis from the parallelism to the axis of rotation of the counter-toothing 20).
  • a modified holding arm could be applied, which has a suitable mandrel for receiving a disc-like workpiece.
  • the construction designed primarily for shafts can also be used for disk-like gears.
  • the Wälz testing machine shown operates according to the principle familiar to a person skilled in the art that the center distance between the two axes of rotation is monitored and evaluated. Accordingly, further explanations are no longer listed, information on the measurement principle and evaluations are familiar to the expert and described for example on page 676 in the textbook "Innovative Zahnradfertigung 1 'by Thomas Bausch, 3rd edition.
  • the Wälzprüf worn 100 shown in Fig. 1 may be embedded in a workpiece automation, for example, such that the shafts 1 of the device 100 are supplied via a tool automation 150 and passed from the Malawiautomatfon after Wälz phenomenon to a downstream machine, such as a finishing machine for fine machining of Gearing 20 approximately by honing.
  • a downstream machine such as a finishing machine for fine machining of Gearing 20 approximately by honing.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)

Abstract

L'invention concerne un dispositif de contrôle de roulement (100) pour un contrôle de roulement sur deux flancs d'une denture (2) portée par un arbre en roue libre (1) et présentant un axe de rotation. Le dispositif est pourvu d'un élément de retenue (13, 14) destiné à retenir l'arbre pendant le contrôle de roulement, et d'une denture conjuguée (20) entraînée en rotation, roulant avec la denture lors du contrôle de roulement. L'élément de retenue soutient l'arbre latéralement de l'extérieur à l'encontre de la pesanteur, dans une vue dans la direction radiale, sur deux parties d'arbre (3, 4) cylindriques espacées axialement l'une de l'autre, dont l'axe de cylindre concorde avec l'axe de denture. L'invention concerne également un système d'usinage pourvu d'une machine d'usinage de denture et dudit dispositif de contrôle de roulement et un procédé de contrôle de roulement sur deux flancs d'une denture portée par un arbre en roue libre et présentant un axe de rotation.
PCT/EP2019/053994 2018-03-07 2019-02-18 Dispositif de contrôle de roulement, système d'usinage et procédé de contrôle de roulement sur deux flancs d'une denture WO2019170403A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018001837.8 2018-03-07
DE102018001837.8A DE102018001837A1 (de) 2018-03-07 2018-03-07 Wälzprüfeinrichtung

Publications (1)

Publication Number Publication Date
WO2019170403A1 true WO2019170403A1 (fr) 2019-09-12

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PCT/EP2019/053994 WO2019170403A1 (fr) 2018-03-07 2019-02-18 Dispositif de contrôle de roulement, système d'usinage et procédé de contrôle de roulement sur deux flancs d'une denture

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DE (1) DE102018001837A1 (fr)
WO (1) WO2019170403A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084038B (de) * 1958-02-08 1960-06-23 Schoppe & Faeser Gmbh Zahnradpruefgeraet
JPS58155310A (ja) * 1982-03-11 1983-09-16 Toyota Motor Corp 軸物歯車の横振れ修正方法および装置
US4488359A (en) * 1983-01-12 1984-12-18 Lear Siegler, Inc. Automatic gear checking structure and method
EP0162803B1 (en) * 1984-03-01 1989-07-12 Maag-Zahnrader Und -Maschinen Aktiengesellschaft Dual-flank contact rolling tester
EP0980514B1 (fr) * 1997-05-07 2004-01-07 Ford Global Technologies, Inc. Dispositif pour la mesure complete des dentures d'engrenages, y compris de la topographie des flancs des dents
US20050186886A1 (en) * 2004-02-24 2005-08-25 Reishauer Ag Process and device for the aligning of tooth spaces of a workpiece with precut teeth

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4236840C2 (de) * 1992-10-31 1996-02-08 Heidolph Elektro Gmbh & Co Kg Vorrichtung zum Prüfen von Zahnrädern

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1084038B (de) * 1958-02-08 1960-06-23 Schoppe & Faeser Gmbh Zahnradpruefgeraet
JPS58155310A (ja) * 1982-03-11 1983-09-16 Toyota Motor Corp 軸物歯車の横振れ修正方法および装置
US4488359A (en) * 1983-01-12 1984-12-18 Lear Siegler, Inc. Automatic gear checking structure and method
EP0162803B1 (en) * 1984-03-01 1989-07-12 Maag-Zahnrader Und -Maschinen Aktiengesellschaft Dual-flank contact rolling tester
EP0980514B1 (fr) * 1997-05-07 2004-01-07 Ford Global Technologies, Inc. Dispositif pour la mesure complete des dentures d'engrenages, y compris de la topographie des flancs des dents
US20050186886A1 (en) * 2004-02-24 2005-08-25 Reishauer Ag Process and device for the aligning of tooth spaces of a workpiece with precut teeth

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Publication number Publication date
DE102018001837A1 (de) 2019-09-12

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