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WO2006061909A1 - Méthode pour fabriquer une poulie à face arrière en tôle - Google Patents

Méthode pour fabriquer une poulie à face arrière en tôle Download PDF

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Publication number
WO2006061909A1
WO2006061909A1 PCT/JP2004/018471 JP2004018471W WO2006061909A1 WO 2006061909 A1 WO2006061909 A1 WO 2006061909A1 JP 2004018471 W JP2004018471 W JP 2004018471W WO 2006061909 A1 WO2006061909 A1 WO 2006061909A1
Authority
WO
WIPO (PCT)
Prior art keywords
annular
cylindrical portion
sheet metal
rotating
shaped material
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/JP2004/018471
Other languages
English (en)
Japanese (ja)
Inventor
Toshiaki Kanemitsu
Kunihiro Harada
Naoki Fujii
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.)
Kanemitsu Corp
Original Assignee
Kanemitsu Corp
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 Kanemitsu Corp filed Critical Kanemitsu Corp
Priority to EP04822553A priority Critical patent/EP1834715A4/fr
Priority to CNB200480044557XA priority patent/CN100455376C/zh
Priority to PCT/JP2004/018471 priority patent/WO2006061909A1/fr
Priority to JP2006546604A priority patent/JP4677414B2/ja
Priority to US11/791,709 priority patent/US20070266560A1/en
Publication of WO2006061909A1 publication Critical patent/WO2006061909A1/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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D53/00—Making other particular articles
    • B21D53/26—Making other particular articles wheels or the like
    • B21D53/261—Making other particular articles wheels or the like pulleys
    • 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
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/02—Making articles shaped as bodies of revolution discs; disc wheels
    • B21H1/04—Making articles shaped as bodies of revolution discs; disc wheels with rim, e.g. railways wheels or pulleys
    • 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
    • Y10T29/49453—Pulley making
    • Y10T29/4946—Groove forming in sheet metal pulley rim

Definitions

  • the present invention relates to a method of manufacturing a sheet metal back pulley, and in particular, manufacturing a sheet metal back pulley that can increase the effective length of a cylindrical portion that contacts the back of a belt and supports the back of the belt. Concerning manufacturing method.
  • Patent Document 1 A manufacturing method for increasing (stretching) the length of the cylindrical portion has already been provided by the applicant of the present invention.
  • a circular substrate portion 2 on which a boss portion 1 is projected, and this substrate portion A sheet metal cup-shaped material 4 having a cylindrical portion 3 extending from the outer peripheral portion of the substrate portion 2 to one side of the axis C1 of the substrate portion 2 is prepared.
  • the shaft 51 is fitted to the boss 1, and the downward bulging part 21 formed on the substrate 2 is fitted to the recessed part 52 of the rotating lower mold 5.
  • the rotating material 4 is set on the rotating lower die 5 so as not to move in the radial direction, and the rotating upper die 6 is opposed to the upper side of the rotating lower die 5 with the substrate portion 2 interposed therebetween.
  • the rotary upper die 6 is lowered, and the downward bulging portion 61 is fitted to the upper surface of the downward bulging portion 21 of the substrate portion 2.
  • the substrate part 2 of the cup-shaped material 4 between the upper end surface of the rotating lower mold 5 and the lower end surface of the rotating upper mold 6, at least one of the rotating lower mold 5 and the rotating upper mold 6 Is rotated about the axis C1, and the lower rotating mold 5, the rotating upper mold 6 and the cup-shaped material 4 are rotated about the axis C1.
  • the first rolling roller 7 is moved in the direction of the arrow f while rotating the force-like material 4, and the outer peripheral surface of the pressing surface 71 projecting radially outward and the rotating lower die 5. 53, the portion corresponding to the substantially lower half of the cylindrical portion 3 is clamped. As a result, as indicated by reference numeral 8, the portion corresponding to the substantially lower half portion of the cylindrical portion 3 is extended downward while the substantially lower half portion of the cylindrical portion 3 is thinned.
  • the portion 8 corresponding to the substantially lower half of the cylindrical portion 3 extends downward while being thinned.
  • the cup-shaped material 4 is set on the rotary lower mold 5a so that it does not move in the radial direction, and the upper part of the rotary lower mold 5a is placed via the substrate part 2
  • the rotating upper mold 6a is opposed.
  • the rotating lower die 5a having a slightly smaller diameter than the rotating lower die 5 used in Fig. 8 is used. Therefore, a slight gap s is formed between the outer peripheral surface 53a of the rotating lower mold 5a and the cylindrical portion 3.
  • a notch 62 is formed on the outer peripheral edge of the rotary upper die 6a to allow entry of the outer peripheral edge at the upper end of a second rolling molding roller described later.
  • the parts corresponding to the rotating lower mold 5 and the rotating upper mold 6 shown in Fig. 8 are given the same reference numerals.
  • the rotating upper die 6a is lowered, and the downward bulging portion 61 is fitted to the upper surface of the downward bulging portion 21 of the substrate portion 2. Then, after the substrate part 2 of the cup-shaped material 4 is clamped between the upper end surface of the rotating lower die 5a and the lower end surface of the rotating upper die 6a, at least one of the rotating lower die 5a and the rotating upper die 6a is The rotary lower mold 5a, the rotary upper mold 6a, and the cup-shaped material 4 are rotated around the axis C1 by rotating around the axis C1.
  • the thickness of the cylindrical portion 3 shown in Fig. 10 is increased by the sheet metal cup-shaped material 4 having a short axial length hi of the cylindrical portion 3 where the thickness tl is thick.
  • the axial length h2 in which t2 is thin is longer than the axial length hi in Fig. 9, so that the cylindrical portion 3 can be manufactured.
  • Patent Literature l WO98Z05447
  • the portion corresponding to the substantially lower half portion of the cylindrical portion 3 extending to one side of the axis C1 of the base plate portion 2 is simply clamped to face downward while reducing the thickness. It merely provides a method of stretching the film. Then, in the first step of stretching downward while thinning, work hardening occurs in the thinned and stretched downward portion. Nevertheless, in the second step, the thick portion 3a corresponding to the substantially upper half of the cylindrical portion 3 must be thinned and stretched toward the site where work hardening has occurred in the first step. Therefore, forming the thick part 3a is relatively troublesome.
  • the effective length h3 of the cylindrical portion 3 with which the back surface of the belt can come in contact is the axial length h2 of the cylindrical portion 3, and the axial length of the upper bent portion 1 lb of the cylindrical portion 3 ⁇ It will be limited to the value obtained by subtracting h.
  • the present invention solves such a problem, and an object of the present invention is not only to increase the effective length of the cylindrical portion that can come into contact with the back surface of the belt, but also to easily form the cylindrical portion.
  • the present invention is to provide a method of manufacturing a sheet metal back surface pulley that can obtain high-precision flatness and dimensionality with few steps.
  • a sheet metal back pulley manufacturing method includes a sheet metal plate including a circular substrate portion and a cylindrical portion extending from the outer peripheral edge portion of the substrate portion to one side in the axial direction of the substrate portion.
  • a cup-shaped material is prepared, an annular bulging portion is formed in the cylindrical portion, and the annular bulging portion is composed of at least the annular bulging portion by a rotating inner mold and a flat surface forming rolling roller.
  • the outer peripheral surface of the cylindrical portion is formed flat by clamping until disappearance occurs.
  • the annular bulging portion is clamped between the rotating inner mold and the flat surface forming rolling roller until at least the annular bulging portion disappears. Since the bulge volume of the bulge portion of the sheet metal is converted into a stretch amount that stretches the cylindrical portion in the axial direction, the axial length of the sheet metal cup-shaped material is based on the original length (original dimension). Is increased correspondingly to the amount of the bulging volume, and a sheet metal rear pulley that can utilize the increased axial length as an effective length can be provided.
  • the outer peripheral surface of the cylindrical portion is formed flat by pressing the annular bulging portion with the rotating inner mold and the flat surface forming rolling roller until it disappears.
  • the molding can be performed with a small clamping pressure, so that the molding is facilitated and high-precision flatness and dimensionality can be obtained with a small number of processes.
  • the cylindrical portion is not work-hardened or has a low degree of work-hardening.
  • the amount of bulge volume of the bulge-like bulge is smoothly converted into the amount of extension in the axial direction of the cylinder, and production efficiency can be increased.
  • the total length of the increased axial length can be utilized as an effective length.
  • the annular bulging portion is formed by bulging outward in the radial direction of the cylindrical portion.
  • the upper end portion of the cylindrical portion is pressed by a groove forming protrusion provided on a rolling molding roller to form an annular groove portion at the upper end portion of the cylindrical portion, It is preferable that an annular projecting portion projecting in a direction opposite to the direction in which the cylindrical portion extends is formed above the groove portion.
  • FIG. 1 is a longitudinal sectional view showing a step of forming a small valley-shaped groove in a sheet metal cup-shaped material applied to an embodiment of the present invention.
  • FIG. 2 is a longitudinal sectional view showing a process of forming an annular bulge portion in the cylindrical portion of the sheet metal cup-shaped material processed in FIG.
  • FIG. 3 is a half-longitudinal longitudinal sectional view showing the process of flatly forming the outer peripheral surface of the cylindrical portion of the sheet metal cup-shaped material processed in FIG.
  • FIG. 4 is a longitudinal sectional view showing an example of a sheet metal cup-shaped material applied to the embodiment of the present invention.
  • FIG. 5 is a longitudinal sectional view showing a sheet metal rear pulley manufactured from the sheet metal cup-shaped material of FIG. It is.
  • FIG. 6 is a longitudinal sectional view showing another example of a sheet metal cup-shaped material.
  • FIG. 7 is a longitudinal sectional view showing a sheet metal back pulley manufactured with the sheet metal cup-shaped material of FIG.
  • FIG. 8 is a longitudinal sectional view showing a first processing stage for stretching a cylindrical portion of a conventional sheet metal cup-shaped material.
  • FIG. 9 is a longitudinal sectional view showing a second calorie stage for further extending the cylindrical portion of the sheet metal cup-shaped material processed in FIG.
  • FIG. 10 A longitudinal sectional view of a sheet metal cup-shaped material used in a conventional manufacturing method
  • FIG. 11 is a longitudinal sectional view showing a state in which the cylindrical portion of the sheet metal cup-shaped material of FIG. 10 is stretched in one direction.
  • a circular substrate portion 2 having a boss portion 1 projecting about the axis C1 as a central axis, and an outer periphery of the substrate portion 2 And a cylindrical portion 3 extending in one direction in the direction of the axis C1 of the base plate portion 2 from the portion, and the circular substrate portion 2 is provided with a height on the boss portion 1 side through an annular stepped portion 22.
  • a sheet metal cup-shaped material 4 is used in which the part and the lower part on the side of the cylindrical part 3 are continuous.
  • this cup-shaped material 4 is rotated from its lower open end.
  • the lower mold 5b is fitted, and the shaft 51 of the rotating lower mold 5b is fitted to the boss 1 of the sheet metal cup-shaped material 4 and is rotated to the inner surface of the annular stepped portion 22 provided on the board 2
  • the annular step surface 54 of the mold 5b is fitted and the cup-shaped material 4 is set in the rotating lower mold 5b so that the cup-shaped material 4 does not move in the radial direction
  • the substrate part 2 is interposed above the rotating lower mold 5b.
  • the rotating upper mold 6a is made to face.
  • the rotary upper die 6a is lowered as indicated by an arrow e in the right half of FIG. 1, and the annular step surface 63 formed at the lower end of the rotary upper die 6a is placed on the annular step surface 63.
  • the lower lower mold 5b and the lower upper surface of the rotating upper mold 6a to hold the substrate part 2 of the cup-shaped material 4 between the lower lower mold 5b and the rotating upper mold 5b.
  • At least one of 6a is driven to rotate about the axis C1
  • the rotating lower mold 5b, the rotating upper mold 6a, and the cup-shaped material 4 are rotated about the axis C1.
  • the first rolling molding roller 70 is moved in the direction of the arrow f, and the outer diameter is increased in the vicinity of the upper end portion of the first rolling molding roller 70.
  • the first groove forming projection 72 having a chevron-shaped cross section projecting in the direction is pushed inwardly at the upper end of the cylindrical portion 3 and the cylindrical pressing surface 71 of the first rolling roller 70 is connected to the cylindrical portion 3. It is brought into contact with the outer peripheral surface 30 of the.
  • the first rolling forming roller 70 follows the rotation of the cup-shaped material 4 and rotates in the reverse direction, while the annular shape expanded in a valley shape at the outer peripheral edge of the upper end portion of the cylindrical portion 3.
  • a first groove portion 12 is formed.
  • the upper inclined surface of the first groove forming protrusion 72 is pushed up when the annular first groove 12 that is expanded in a valley shape is formed at the outer peripheral edge of the upper end of the cylindrical portion 3. Due to the action, the upper side of the annular first groove 12 in the cylindrical portion 3 is pushed upward, and the annular protruding portion 14 protrudes in the direction opposite to the direction in which the cylindrical portion 3 extends from the upper end of the cylindrical portion 3. And the lower side of the annular first groove 12 in the cylindrical part 3 is pushed downward by the pressing action of the lower slope of the first groove forming projection 72, so that the cylindrical part 3 faces downward.
  • a cup-shaped material 4A that is slightly elongated is formed.
  • the annular stepped portion 22 of the substrate portion 2 is fitted into the annular stepped surface 64, and the substrate portion 2 of the cup-shaped material 4 is sandwiched between the upper end surface of the rotating lower die 5c and the lower end surface of the rotating upper die 6b. Holding the pressure, rotate and rotate at least one of the rotating lower mold 5c and rotating upper mold 6b around the axis C1, and rotate the rotating lower mold 5c, rotating upper mold 6b and cup-shaped material 4A around the axis C1.
  • the second rolling molding roller 90 is moved in the direction of the arrow h with respect to the cup-shaped material 4A rotating around the axis C1 together with the rotating lower mold 5c and the rotating upper mold 6b. Projected radially outward in the vicinity of the upper end of the second rolling forming roller 90 in the annular first groove 12 (see the right half of Fig. 1) that has already been expanded into a valley shape.
  • the second groove forming projection 92 is fitted and pushed inwardly, and the cylindrical portion pressing surface 91 is brought into contact with the outer peripheral surface 30 of the cylindrical portion 3.
  • the second groove forming protrusion 92 having a mountain-shaped cross-section with a rounded top than the first groove forming protrusion 72 is fitted into the annular first groove 12 and pushed inward in the radial direction.
  • the cylindrical portion pressing surface 91 is brought into contact with the outer peripheral surface 30 of the cylindrical portion 3.
  • the second rolling forming roller 90 rotates in the reverse direction following the rotation of the cup-shaped material 4A
  • the previously formed annular first groove portion 12 is replaced with the second groove portion.
  • the ring-shaped second groove 13 is formed by being greatly expanded in a valley shape by being pushed and expanded by the forming protrusion 92.
  • the cylindrical portion 3 is pushed up by the upward slope of the second groove forming protrusion 92 that is generated when the annular second groove 13 that is greatly expanded in a valley shape is formed at the upper end of the cylindrical portion 3.
  • an annular projecting portion 15 projecting larger than the annular projecting portion 14 is formed in a direction opposite to the direction in which the cylindrical portion 3 extends.
  • the lower portion of the annular second groove 13 in the cylindrical portion 3 is pushed downward by the pressing action of the lower slope of the second groove forming projection 92, so that the lower end of the cylindrical portion 3 is lowered. Comes into contact with the regulating surface 58 of the rotating lower mold 5b, and downward extension of the cylindrical portion 3 is regulated. For this reason, the lower portion of the annular second groove 13 in the cylindrical portion 3 is pushed into the annular recess 95 formed immediately below the second groove forming projection 92 in the second rolling forming roller 90.
  • the cup-shaped material 4B in which the bulging portion 40 bulged outward is formed.
  • the annular second groove portion 13, the annular projecting portion 15, and the bulge that bulges radially outward As shown in the right half of Fig. 2, the cup-shaped material 4B in which the protruding portion 40 is formed is fitted into the rotating lower mold 5d from its lower end open end, and the shaft portion of the rotating lower mold 5d Cup-shaped material 4B made of sheet metal is fitted to 51, and the annular stepped surface 56 of the rotating lower mold 5d is fitted to the inner surface of the annular stepped portion 22 provided on the substrate portion 2 to form a cup shape.
  • the rotating upper mold 6c is lowered as indicated by the arrow g, and the annular shape formed at the lower end of the rotating upper mold 6c
  • the annular step portion 22 of the substrate portion 2 is fitted to the step surface 65, and the base plate portion 2 of the cup-shaped material 4B is sandwiched and held between the upper end surface of the rotating lower die 5d and the lower end surface of the rotating upper die 6c.
  • at least one of the rotating lower mold 5d and the rotating upper mold 6c is rotated around the axis C1
  • the rotating lower mold 5d, the rotating upper mold 6c and the cup-shaped material 4B are rotated around the axis C1. Turn.
  • the outer peripheral surface 16a of the rolling roller 16 for forming a flat surface is formed on the bulging portion 40 with respect to the cup-shaped material 4B rotating around the axis C1 together with the rotating lower die 5c and the rotating upper die 6b.
  • the flat surface forming rolling roller 16 is moved in the direction of the arrow i, so that the outer peripheral surface 16a of the flat surface forming rolling roller 16 and the outer peripheral surface of the rotating lower die 5d are As shown in FIG. 3, the annular bulging portion 40 is clamped by 53 and the bulging portion 40 disappears to flatten the outer peripheral surface 30 of the cylindrical portion 3.
  • the amount of the bulging volume of the annular bulging portion 40 is converted into an amount of stretching that causes the cylindrical portion 3 to be stretched in the axial direction, so that the axial length of the sheet metal cup-shaped material 4C is the original length.
  • the length (original size) of this is increased corresponding to the bulging volume.
  • the outer peripheral surface 15a of the annular protrusion 15 and the outer peripheral surface 30 of the cylindrical portion 3 are formed flush with each other, and the annular protrusion 15 is extended upward while being thinned. Since the amount is larger than the protruding amount shown in the right half of Fig. 2, it is possible to manufacture the sheet metal back pulley 11 having a further increased axial length.
  • the annular lower portion 5d and the rolling roller 16 for forming the flat surface are clamped until the annular bulging portion 40 bulging in the radially outward direction disappears. Since the outer peripheral surface 30 is formed flat, it can be molded with a smaller clamping pressure than the method in which the entire outer peripheral surface 30 of the cylindrical portion 3 is pressed flat to form, so forming becomes easier and less. High accuracy flatness and dimensionality can be obtained in the process, and the cylindrical portion 3 is not work hardened before the annular bulging portion 40 is clamped. Bulge volume Conversion to the amount of extension of the cylindrical portion 3 in the axial direction by the minute is made smoothly, and the production efficiency can be increased.
  • the sheet metal cup-shaped material 4 having a thick axial length tl and a short axial length hi of the left half of Fig. 1 and the cylindrical portion 3 shown in Fig. 4 is shown in Figs.
  • the axial length h4 in which the wall thickness t2 of the cylindrical portion 3 is thin h4 force is increased more than the axial length hi in Fig. 4, and this increased axial length
  • a sheet metal rear pulley 11 that can utilize the entire length of h4 as an effective length can be manufactured.
  • the increased overall length of the axial length h4 can be utilized as an effective length, for example, to absorb a slight positional deviation in the width direction of the belt and maintain a stable contact state with the back surface of the belt. This has the effect of being able to
  • the annular second groove portion 13 is formed. Can be prevented from entering the substrate portion 2 and making the substrate portion 2 thinner to reduce its strength. As a result, it is possible to avoid a decrease in the buckling strength of the substrate portion 2.
  • the first groove forming protrusion 72 is a first groove forming protrusion 72 having a chevron cross section as the first groove forming protrusion 72.
  • the bottom half of the annular first groove 12 is positioned on the center line C2 of the axial thickness of the substrate part 2 by pushing the part 72 radially inward.
  • the second groove forming protrusion 92 is formed by using, as a cross-sectional shape of the second groove forming protrusion 92 of the second rolling forming roller 90, a mountain shape having a rounded peak.
  • the bottom of the annular second groove portion 13 is positioned on the center line C2, so that the thickness of the portion of the cylindrical portion 3 above the center line C2 is increased.
  • the annularly projecting portion 15 is formed by projecting the portion, which is secured to a large thickness, in the direction opposite to the direction in which the cylindrical portion 3 extends. Therefore, it is possible to secure a sufficient amount of protrusion in the direction opposite to the direction in which the cylindrical portion 3 extends, while preventing the annular protrusion 15 from being thinned, so that the substrate portion of the sheet metal rear pulley 11 is secured.
  • the upper end force of 2 can also increase the length h4 (see Fig. 5) to the lower end of the tube 3.
  • a circular substrate portion 2 having a boss portion 1 projecting as shown in Fig. 4 and an outer peripheral portion of the substrate portion 2 in one direction of the axis C1 of the substrate portion 2 are provided.
  • the extended tube part 3 and The method of manufacturing the sheet metal back pulley 11 shown in Fig. 5 by using the sheet metal cup-shaped material 4 provided with the above-mentioned is the rotation lower mold 5b, 5c, 5d, 5e used in the above embodiment.
  • a sheet metal cup-shaped material 4 having a substrate portion 2 omitted see Fig.
  • the axial length h4 in which the thickness t2 of the cylindrical portion 3 is thin is increased as compared with the axial length hi in Fig. 6 and is increased. It is possible to manufacture a sheet metal rear pulley 11 that can utilize the axial length h4 as an effective length.
  • the present invention provides a cylindrical portion in a sheet metal cup-shaped material having a circular substrate portion and a cylindrical portion extending from the outer peripheral edge portion of the substrate portion to one side in the axial direction of the substrate portion.
  • An annular bulging portion that bulges outward is formed, and this annular bulging portion is sandwiched between the rotating inner mold and the flat surface forming rolling roller until at least the annular bulging portion disappears.
  • the outer peripheral surface of the cylindrical portion is formed flat to increase the axial length of the cylindrical portion, and the increased axial length can be utilized as an effective length, thereby enabling the belt to This is a technology that can absorb a slight misalignment in the width direction and maintain stable contact with the back of the belt.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)

Abstract

Méthode pour fabriquer une poulie à face arrière en tôle, mettant en jeu une étape pour préparer un matériau en tôle en forme de coupe (4) possédant une partie de plaque de base circulaire (2) et une partie de tube (3) se prolongeant à partir de la partie de bord périphérique externe de la partie de plaque de base (2) dans un sens axial de la partie de plaque de base (2), une étape pour former, sur la partie de tube (3), une partie annulaire enflée (40) enflée dans le sens axial, et une étape pour former la surface périphérique externe plate (30) de la partie de tube (3) en tenant sous pression la partie annulaire enflée (40) et la partie de tube (3) par une traînée rotative (5) et un rouleau roulant (16) pour former la surface plate jusqu'à ce que la partie annulaire enflée (40) soit éliminée. Comme la longueur axiale (h4) de la poulie à face arrière en tôle (11) est accrue, la longueur axiale accrue (h4) peut être utilisée comme longueur effective.
PCT/JP2004/018471 2004-12-10 2004-12-10 Méthode pour fabriquer une poulie à face arrière en tôle Ceased WO2006061909A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP04822553A EP1834715A4 (fr) 2004-12-10 2004-12-10 Methode pour fabriquer une poulie à face arrière en tôle
CNB200480044557XA CN100455376C (zh) 2004-12-10 2004-12-10 金属板制背面皮带轮的制造方法
PCT/JP2004/018471 WO2006061909A1 (fr) 2004-12-10 2004-12-10 Méthode pour fabriquer une poulie à face arrière en tôle
JP2006546604A JP4677414B2 (ja) 2004-12-10 2004-12-10 板金製背面プーリの製造方法
US11/791,709 US20070266560A1 (en) 2004-12-10 2004-12-10 Method of Manufacturing Sheet Metal Back Face Pulley

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/018471 WO2006061909A1 (fr) 2004-12-10 2004-12-10 Méthode pour fabriquer une poulie à face arrière en tôle

Publications (1)

Publication Number Publication Date
WO2006061909A1 true WO2006061909A1 (fr) 2006-06-15

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PCT/JP2004/018471 Ceased WO2006061909A1 (fr) 2004-12-10 2004-12-10 Méthode pour fabriquer une poulie à face arrière en tôle

Country Status (5)

Country Link
US (1) US20070266560A1 (fr)
EP (1) EP1834715A4 (fr)
JP (1) JP4677414B2 (fr)
CN (1) CN100455376C (fr)
WO (1) WO2006061909A1 (fr)

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WO1998005447A1 (fr) * 1996-08-05 1998-02-12 Kabushiki Kaisha Kanemitsu Procede de moulage d'une partie cylindrique de materiau cylindrique d'une tole

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US4831705A (en) * 1987-06-17 1989-05-23 Kabushiki Kaisha Kanemitsu Method of manufacturing a sheet metal poly-V pulley
WO1991000155A1 (fr) * 1989-06-28 1991-01-10 Kabushiki Kaisha Kanemitsu Procede de production de poulies en toile metallique a gorges en v et produits ainsi obtenus
DE3991700T1 (de) * 1989-07-11 1991-07-18 Kanemitsu Akashi Kk Verfahren zum herstellen eines randes an mehrfach-keilriemenscheiben und mit diesem verfahren hergestellte erzeugnisse
CA2161020C (fr) * 1993-12-09 2000-10-31 Udo Friese Methode sans coupage pour l'obtention d'un moyen de transmission
JP2556817B2 (ja) * 1994-03-02 1996-11-27 株式会社カネミツ 板金製プーリの製造方法
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CN1198693A (zh) * 1996-08-05 1998-11-11 株式会社金光 板金制筒状构件的筒部成形方法
JP3213808B2 (ja) * 1997-10-06 2001-10-02 株式会社カネミツ 周壁を有する板金製輪状部材の製造方法
DE19983233B4 (de) * 1999-03-15 2005-01-13 Kanemitsu Corp., Akashi Verfahren zum Herstellen einer Riemenscheibe mit vielen V-förmigen Rillen
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Publication number Priority date Publication date Assignee Title
JPS6487020A (en) * 1987-09-30 1989-03-31 Asahi Malleable Iron Co Ltd Spinning cleavage device
WO1998005447A1 (fr) * 1996-08-05 1998-02-12 Kabushiki Kaisha Kanemitsu Procede de moulage d'une partie cylindrique de materiau cylindrique d'une tole

Non-Patent Citations (1)

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Title
See also references of EP1834715A4 *

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US20070266560A1 (en) 2007-11-22
CN100455376C (zh) 2009-01-28
JPWO2006061909A1 (ja) 2008-06-05
JP4677414B2 (ja) 2011-04-27
EP1834715A1 (fr) 2007-09-19
CN101076414A (zh) 2007-11-21
EP1834715A4 (fr) 2010-05-26

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