WO2017022147A1 - Procédé pour produire des disques de frein - Google Patents

Procédé pour produire des disques de frein Download PDF

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Publication number
WO2017022147A1
WO2017022147A1 PCT/JP2016/001164 JP2016001164W WO2017022147A1 WO 2017022147 A1 WO2017022147 A1 WO 2017022147A1 JP 2016001164 W JP2016001164 W JP 2016001164W WO 2017022147 A1 WO2017022147 A1 WO 2017022147A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotor
brake disc
rotary blade
outer peripheral
punching
Prior art date
Application number
PCT/JP2016/001164
Other languages
English (en)
Japanese (ja)
Inventor
靖浩 ▲高▼木
Original Assignee
株式会社ユタカ技研
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 株式会社ユタカ技研 filed Critical 株式会社ユタカ技研
Publication of WO2017022147A1 publication Critical patent/WO2017022147A1/fr

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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
    • B21D53/86—Making other particular articles other parts for bicycles or motorcycles
    • 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
    • B23C3/12—Trimming or finishing edges, e.g. deburring welded corners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
    • B62L1/00—Brakes; Arrangements thereof
    • 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
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes

Definitions

  • the present invention relates to a method for manufacturing a brake disc used in a disc brake device such as a motorcycle, and more particularly, to a method for manufacturing a brake disc having an outer circumferential shape of a concave / convex repeating shape in which radial irregularities are repeated in the circumferential direction.
  • a method for manufacturing this type of brake disk is known, for example, from Patent Document 1.
  • This is a punching process in which a brake disc whose outer peripheral shape is the above-mentioned concave and convex shape is punched from a plate material by a press, and a corner portion between the outer peripheral surface and the side surface of the brake disc is pressed with a chamfering mold to be plastically deformed. Forming a chamfering step.
  • the brake disc is an external part, an improvement in aesthetics is desired.
  • the chamfering mold is pressed so as to crush the burr generated at the corner between the outer peripheral surface and the side surface of the brake disc in the punching process, so that the crushing burr remains on the chamfered surface.
  • the area of the fracture surface on the outer peripheral surface of the brake disk increases, so that a finish cutting process for removing the fracture surface portion is separately required.
  • an object of the present invention is to provide a method for manufacturing a brake disk that can efficiently remove burrs and fractured surface portions generated by punching a plate material and has an excellent appearance.
  • the manufacturing method of the brake disk of the present invention having the outer periphery shape of the uneven shape in which the radial unevenness is repeated in the circumferential direction, A punching process for punching, and a corner between the side surface and the outer peripheral surface of the brake disk located rearward in the punching direction are cut with a rotary blade whose rotation axis is inclined at an angle within a range of 45 to 75 degrees with respect to the side surface. And a chamfering step of rotating the brake disc to form a chamfered surface around the entire circumference of the brake disc at the corner portion.
  • the present invention it is possible to efficiently remove burrs and fractured surface portions generated by punching by one-time cutting on the corners of the side surface and the outer peripheral surface of the brake disc. And since a chamfering surface is formed in the corner
  • a dedicated rotary blade is not required (that is, a commonly used rotary blade can be used), and a finish cutting process for removing the fractured surface portion is not required. The manufacturing cost can be reduced.
  • the angle formed between the side surface of the brake disk and the rotating shaft is smaller than 45 degrees, the side surface of the brake disk, which serves as the sliding contact surface of the brake pad, will be scraped more than necessary, and if it exceeds 75 degrees.
  • the amount of cutting of the outer peripheral surface of the brake disk must be increased and the pressing force of the rotary blade needs to be increased. Invite you.
  • the rotation axis of the rotary blade is rotatable in the contact / separation direction of the rotary blade with respect to the corner portion with a turning center separated from the brake disk in the radial direction and the axial direction as a fulcrum.
  • the chamfering step is preferably performed in a state where the shaft is biased so as to turn in the contact direction of the rotary blade with respect to the corner portion. According to this, when the brake disk is rotated, the rotary blade rotates at the corners of the brake disk at an angle within the above range by rotating the rotary blade following the outer circumferential shape of the concave and convex shape of the brake disk.
  • a chamfering surface having a constant chamfering amount can be formed in contact with each other, and in addition, the configuration of a cutting device including a rotary blade can be simplified, which is advantageous.
  • FIG. 1 The front view of the rotor manufactured by implementing the manufacturing method of the brake disc of embodiment of this invention.
  • (A) And (b) is sectional drawing which expands and shows a part of rotor in each process.
  • the floating brake disc includes a rotor 1 and a hub that is disposed inside the rotor 1 and is fixed to an axle of a vehicle such as a motorcycle.
  • the rotor 1 has a concavo-convex outer peripheral shape in which a radial concave portion 13 and a convex portion 14 are repeated in the circumferential direction.
  • the number and shape of the concave portions 13 and the convex portions 14 can be appropriately selected.
  • a plurality of circular holes 16 penetrating in the plate thickness direction are formed in the side surfaces 15a and 15b of the rotor 1 in sliding contact with a brake pad (not shown).
  • a method for manufacturing the rotor 1 will be described in detail with reference to FIGS.
  • a punching process is performed in which the rotor 1 whose outer peripheral shape is the concavo-convex shape is punched from one side in the plate thickness direction of the plate with a press.
  • the fixing holes 12 are also punched by pressing. Since a known press can be used, a detailed description is omitted.
  • the outer peripheral surface 17 of the rotor 1 that has undergone the punching process is, as shown in FIG. 2 (a), a shear surface 17b that continues from the press pad 17a at the outer peripheral edge of the side surface 15a that is positioned forward in the punching direction, Continuing from 17c, burrs 17d are generated at the corners of the side surface 15b and the outer peripheral surface 17 located rearward in the punching direction. Thereafter, the hole 16 is pierced in the rotor 1, and the inner periphery of the rotor 1 is further processed.
  • a chamfering process for forming the chamfered surface 18 is performed.
  • the rotary blade 2 one that is generally used for cutting the plate material in which a plurality of blades 22 are provided on the outer peripheral surface of the distal end of the rotary shaft 21 is used.
  • the radius of the rotary blade 2 is set to be smaller than the radius of the recess 13 of the rotor 1.
  • the cutting device Cm one having a work stage 3 that holds the rotor 1 and a blade stage 4 that holds the rotary blade 2 is used.
  • the work stage 3 includes a mounting table 31 that includes a motor (not shown) and a chuck body 32 provided on the upper surface of the mounting table 31, and a chuck claw 32 a that locks the rotor 1 is provided on the chuck body 32. ing.
  • the chuck body 32 is rotationally driven by the motor while the rotor 1 is locked by the chuck claws 32a, the rotor 1 is rotated at a predetermined number of rotations about the rotation axis of the motor.
  • the cutting tool stage 4 extends along the radial direction with a support base 41 having an actuator (not shown) that advances and retreats with respect to the work stage 3 along the radial direction of the rotor 1, a support column 42 erected on the support base 41. And a support arm 43 provided on the column 42.
  • the support arm 43 is provided on the support 42 via a feed screw mechanism with a motor (not shown), and reciprocates along the support 42 (up and down in FIG. 3).
  • a mounting block 44 having a shaft (not shown) that presses the rotary blade 2 against the rotor 1, and the mounting block 44 rotates the rotary shaft 21 of the rotary blade 2.
  • the lower end of a blade holder 45 that is freely held and has a built-in motor is attached, and the blade holder 45 and thus the rotary blade 2 are driven to rotate about the axis 21 a of the rotary shaft 21 by the motor.
  • the blade holder 45 is configured to be turnable in the contact / separation direction of the corner portion between the side surface 15b of the rotor 1 and the outer peripheral surface 17 with the turning center 45p as a turning center 45p as a mounting point with respect to the mounting block 44.
  • an urging means 46 constituted by a hydraulic or pneumatic actuator, a spring or the like urges the blade holder 45 to turn in a contact direction in which the rotary blade 2 contacts the corner. ing.
  • the support base 41 is moved along the radial direction and the support arm 43 is moved.
  • the blade 22 of the rotary blade 2 is brought into contact with the corners of the side surface 15b and the outer peripheral surface 17 of the rotor 1 along the support 42.
  • the turning center 45p is separated from the rotor 1 in the radial direction and the axial direction, and the axis 21a of the rotary shaft 21 of the rotary blade 2 is within a range of 45 to 75 degrees with respect to the side surface 15b. Tilt at an angle of.
  • the pressing force against the corner of the rotary blade 2 via the urging means 46 is appropriately selected according to the amount of cutting to be performed on the outer peripheral surface of the rotor 1. Further, when the angle formed between the side surface 15b of the rotor 1 and the axis 21a of the rotating shaft 21 is smaller than 45 degrees, the side surface 15b of the rotor 1 serving as a sliding contact surface of the brake pad is scraped more than necessary. In addition, as will be described later, when the side surfaces 15a and 15b of the rotor 1 are subjected to plane cutting, the chamfered surface 18 may not be left, and when it exceeds 75 degrees, it is effective for removing the fractured surface 17c portion. Although there is an increase in the amount of cutting of the outer peripheral surface of the rotor 1, it is necessary to increase the pressing force of the rotary blade 2, leading to a large-sized complexity of the cutting device Cm.
  • the rotor 1 After the blade 22 of the rotary blade 2 is brought into contact with the corners of the side surface 15 b and the outer peripheral surface 17 of the rotor 1, the rotor 1 is rotated by rotating the chuck body 32 while rotating the rotary blade 2. Thereby, the fracture surface 17c part and the burr
  • the rotation direction of the rotary blade 2 at this time may be the same as or opposite to the rotation direction of the rotor 1 and is appropriately selected according to the cutting amount to be cut on the outer peripheral surface 17 of the rotor 1. .
  • the rotor 1 After performing the chamfering process, the rotor 1 is quenched, and deformations such as distortion and waviness generated in the punching process are removed. Then, the surface of the rotor 1 is painted. Finally, in order to further improve the flatness of the rotor 1, the side surfaces 15a and 15b of the rotor are plane-cut with a thickness of about several hundred ⁇ m using a known cutting machine.
  • the burr 17d and the fractured surface 17c portion generated by the punching process by one-time cutting on the corner portion of the side surface 15b and the outer peripheral surface 17 of the rotor 1 using the rotary blade 2 are efficiently removed.
  • a chamfered surface 18 is formed at the corner.
  • the rotor 1 can be excellent in aesthetics.
  • the rotary blade 2 can be used, and the finishing cutting process for removing the fractured surface 17c portion is not required, and the pressing force of the rotary blade 2 against the corner portion is increased so much. Therefore, the cutting device can be simplified and the manufacturing cost of the rotor 1 can be greatly reduced.
  • the rotary shaft 22 of the rotary blade 2 can be turned in the contact / separation direction of the rotary blade 2 with respect to the corner portion with a turning center 45p spaced apart from the rotor 1 in the radial direction and the axial direction as a fulcrum.
  • the rotary blade 2 is swung at an angle within the above range following the outer peripheral shape of the concavo-convex shape of the rotor 1 during the chamfering process. By doing so, the rotary blade 2 can always be brought into contact with the corner portion of the rotor 1 with a simple configuration, and the chamfered surface 18 can be formed with high accuracy.
  • the rotating shaft 22 is urged
  • the chamfering process can be performed by fixing the blade holder 45 to the mounting block 44 and moving the support base 41 forward and backward with respect to the work stage 3 following the outer circumferential shape of the concave and convex shape of the rotor 1.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Arrangements (AREA)
  • Milling Processes (AREA)

Abstract

La présente invention concerne un procédé pour produire des disques de frein dans lesquels des bavures ou des sections de surface fracturée qui se produisent dans une étape de poinçonnage de matériau en tôle peuvent être éliminées de façon efficace, qui présentent un excellent aspect, et présentent une forme périphérique extérieure avec des saillies et des évidements formés de manière répétée, des saillies et des évidements dans la direction radiale étant répétés dans la direction circonférentielle. Ce procédé comprend : une étape de poinçonnage, pour poinçonner des disques de frein qui présentent une forme périphérique extérieure qui est composée de saillies et d'évidements formés de manière répétée, à partir d'un matériau en tôle au moyen d'une presse ; et une étape de chanfreinage pour faire tourner le disque de frein pendant la coupe d'une section d'angle d'une surface latérale (15b) et d'une surface périphérique extérieure (17) du disque de frein (1) positionné à l'arrière de la direction de poinçonnage au moyen d'un outil de coupe rotatif (2) dont l'axe de rotation est incliné à un angle dans la plage de 45 degrés à 75 degrés par rapport à ladite surface latérale pour former une surface chanfreinée sur la section d'angle sur la périphérie entière du disque de frein.
PCT/JP2016/001164 2015-08-05 2016-03-03 Procédé pour produire des disques de frein WO2017022147A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015155020A JP6457902B2 (ja) 2015-08-05 2015-08-05 ブレーキディスクの製造方法
JP2015-155020 2015-08-05

Publications (1)

Publication Number Publication Date
WO2017022147A1 true WO2017022147A1 (fr) 2017-02-09

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PCT/JP2016/001164 WO2017022147A1 (fr) 2015-08-05 2016-03-03 Procédé pour produire des disques de frein

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JP (1) JP6457902B2 (fr)
WO (1) WO2017022147A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117774146A (zh) * 2024-02-28 2024-03-29 成都优拓优联科技有限公司 一种cnc铣削加工碳陶制动盘的装置及方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000084812A (ja) * 1998-09-08 2000-03-28 Ooga:Kk バリ取り装置
JP2009028824A (ja) * 2007-07-25 2009-02-12 Kabutoyama Works Co Ltd 自動面取り装置
JP2014104490A (ja) * 2012-11-28 2014-06-09 Yutaka Giken Co Ltd ブレーキディスクの製造方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008298094A (ja) * 2007-05-29 2008-12-11 Sunstar Engineering Inc ブレーキディスクの製造方法及びブレーキディスク

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000084812A (ja) * 1998-09-08 2000-03-28 Ooga:Kk バリ取り装置
JP2009028824A (ja) * 2007-07-25 2009-02-12 Kabutoyama Works Co Ltd 自動面取り装置
JP2014104490A (ja) * 2012-11-28 2014-06-09 Yutaka Giken Co Ltd ブレーキディスクの製造方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117774146A (zh) * 2024-02-28 2024-03-29 成都优拓优联科技有限公司 一种cnc铣削加工碳陶制动盘的装置及方法
CN117774146B (zh) * 2024-02-28 2024-05-03 成都优拓优联科技有限公司 一种cnc铣削加工碳陶制动盘的装置及方法

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Publication number Publication date
JP6457902B2 (ja) 2019-01-23
JP2017032116A (ja) 2017-02-09

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