WO2003033930A1 - Corps rotatif de frein pour vehicule - Google Patents

Corps rotatif de frein pour vehicule Download PDF

Info

Publication number
WO2003033930A1
WO2003033930A1 PCT/JP2002/006759 JP0206759W WO03033930A1 WO 2003033930 A1 WO2003033930 A1 WO 2003033930A1 JP 0206759 W JP0206759 W JP 0206759W WO 03033930 A1 WO03033930 A1 WO 03033930A1
Authority
WO
WIPO (PCT)
Prior art keywords
molded body
brass
brake
metal
pressed
Prior art date
Application number
PCT/JP2002/006759
Other languages
English (en)
Japanese (ja)
Inventor
Itsurou Tao
Original Assignee
Daihatsu Motor Co., Ltd.
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 Daihatsu Motor Co., Ltd. filed Critical Daihatsu Motor Co., Ltd.
Publication of WO2003033930A1 publication Critical patent/WO2003033930A1/fr

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/14—Casting in, on, or around objects which form part of the product the objects being filamentary or particulate in form
    • 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
    • F16D65/10—Drums for externally- or internally-engaging brakes
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/1304—Structure
    • F16D2065/132—Structure layered
    • 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
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1344—Connection permanent, e.g. by casting
    • 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
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0004—Materials; Production methods therefor metallic
    • F16D2200/0026—Non-ferro
    • F16D2200/003—Light metals, e.g. aluminium
    • 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
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0034—Materials; Production methods therefor non-metallic
    • F16D2200/0039—Ceramics
    • 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
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0034—Materials; Production methods therefor non-metallic
    • F16D2200/0052—Carbon
    • 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
    • F16D2200/00—Materials; Production methods therefor
    • F16D2200/0078—Materials; Production methods therefor laminated
    • 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
    • F16D2250/00—Manufacturing; Assembly
    • 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
    • F16D2250/00—Manufacturing; Assembly
    • F16D2250/0092—Tools or machines for producing linings

Definitions

  • the present invention relates to a brake rotator in a vehicle, such as a disk type or a drum type brake.
  • a disk-shaped or drum-shaped brake rotating body is generally formed integrally with iron, stainless steel, or the like in many cases. .
  • An object of the present invention is to reduce the weight of a brake rotating body of a vehicle. Disclosure of the invention
  • the characteristic structure of the brake rotating body of the vehicle according to the present invention is as follows.
  • a non-metallic molded body (ceramic material or carbon fiber) having many small gaps and spaces as described above is generally sufficiently lighter than metal, but has strength comparable to that of metal.
  • the strength is increased by the impregnated metal.
  • the pressed part is formed by the molded body and the metal while securing the pressure. Therefore, as compared with a configuration in which the pressed portion is integrally formed of only metal, the weight of the pressed portion can be reduced by the amount occupied by the formed body, according to the feature of claim 1.
  • the metal impregnated in the molded body is set to aluminum, an aluminum alloy, a magnesium, a magnesium alloy, or brass.
  • the heat-resistant temperature (the temperature at which no abnormality occurs as the pressed portion) of the pressed portion in which the compact is impregnated with aluminum or an aluminum alloy or the pressed portion in which the compact is impregnated with magnesium or a magnesium alloy is The temperature is 500 to 550 ° C, and the heat resistant temperature (temperature at which no abnormalities occur in the pressed part) of the pressed part in which the molded body is impregnated with brass is about 700 ° C.
  • the heat resistant temperature of the pressed portion can be increased.
  • the vehicle brake rotator according to claim 2 is the vehicle brake rotator according to claim 1, further comprising a connecting portion connected to wheels, wherein the connecting portion has a small gap. Formed by impregnating a metal into a non-metallic molded body having a large number of spaces and spaces, wherein the molded body is made of a ceramic material or carbon fiber, and the metal is aluminum, an aluminum alloy, magnesium, a magnesium alloy, or It is characterized by being brass.
  • the brake rotator has a connecting portion connected to the wheel.
  • the connecting portion is connected to the wheel by being tightened with bolts and nuts. If the bolts and nuts are excessively tightened, the connecting portion may have indentations or cracks.
  • the connecting portion is formed by impregnating a metal into a nonmetal molded body having a large number of small gaps and spaces.
  • molded articles made of a ceramic material or carbon fiber are generally excellent in abrasion properties, so that the molded article is impregnated with metal as in the feature of claim 2.
  • the weight of the connecting portion is reduced by the amount occupied by the molded body, as compared with the configuration in which the connecting portion is integrally formed of only metal. Can be lighter.
  • the heat resistant temperature (abnormality of the connection part occurs at the connection part where the molded body is impregnated with aluminum or aluminum alloy or at the connection part where the molded body is impregnated with magnesium or magnesium alloy)
  • the temperature at which the molded part is impregnated with brass is 700 ° C. (the temperature at which no abnormalities occur as the pressed part). It will be around C.
  • the heat-resistant temperature of the connecting portion can be increased.
  • FIG. 1 is an overall perspective view of a disk-shaped solid-type brake rotator
  • FIG. 2 is a longitudinal sectional view of a disk-shaped solid-type brake rotator
  • FIG. 4 is a schematic view showing a state of manufacturing a brake rotor of a solid type in FIG.
  • FIG. 4 is a longitudinal sectional view of a disk-shaped, solid-type brake rotator according to the first alternative embodiment of the present invention
  • FIG. 5 is a longitudinal sectional view of a disc-shaped, ventilated brake rotator according to a second alternative embodiment of the present invention.
  • FIG. 6 is a vertical cross-sectional view of a drum-shaped brake rotator according to a third alternative embodiment of the present invention.
  • FIG. 7 is a diagram showing the results of the drag test (first time) in the examples.
  • FIG. 8 is a diagram showing the results of the drag test (second time) in the example, and
  • FIG. 9 is a diagram showing the results of the downhill test in the example.
  • FIG. 1 and 2 show a disk-shaped solid-type brake rotating body in a brake used in a vehicle.
  • the brake rotator is provided with a part 1 to which a brake pad (not shown) is pressed from both sides, and a flange 2 to be connected to wheels (not shown). 6 and a hole 3 for inserting a bolt (not shown) are provided in the flange 2.
  • the flange 2 is made of brass A (brass).
  • the mouth part 1 is formed by sandwiching one molded body 5 between two molded bodies 4 and superimposing them, and impregnating the molded bodies 4 and 5 with brass A.
  • the heat-resistant temperature of the rotor unit 1 (the temperature at which no abnormality occurs in the rotor unit 1) is around 700 ° C.
  • the compacts 4 and 5 are formed into a thin ring-shaped disk using ceramics material such as alumina fiber or silicon carbide particles (SiC particles) or carbon fiber. It has many small gaps and spaces.
  • the thickness of the molded body 4 is set to be smaller than the thickness of the molded body 5, and the volume ratio of the molded body 5 (the volume ratio of the molded body 5 itself to small gaps and spaces) is set to be large. (For example, 70 to 90%), and the volume ratio of the compact 4 (the volume ratio of the compact 4 itself to small gaps and spaces) is set to a small value (for example, 10 to 30%).
  • a small value for example, 10 to 30%.
  • an outer molded body 4 (2 sheets) and an intermediate molded body 5 (1 sheet) are prepared, and an intermediate molded body 4 is provided between the outer molded bodies 4.
  • the outer and middle molded bodies 4 and 5 are put into the female mold 6.
  • the brass A melted at a high temperature is poured into the female mold 6 and the male and female molds 7 press the outer and intermediate molded bodies 4 and 5 at high pressure.
  • the brass A is formed into the outer and intermediate molded bodies 4 and 5 at high temperature and pressure.
  • the brass A is impregnated into the outer and intermediate molded bodies 4 and 5 to form a part 1 over the mouth, and the flange 2 is formed by the brass A. .
  • the volume ratio of the brass A impregnated in the outer molded body 4 is, for example, 70 to 90%
  • the volume ratio of the brass A impregnated in the intermediate molded body 5 is, for example, 10 to 30%.
  • the part 1 and the flange 2 are formed as described above, it is cooled, and as shown in FIGS. 1 and 2, both sides of the part 1 (the surface of the outer molded body 4), The flange 2 is machined, and an opening 16 and a hole 3 are formed in the flange 2.
  • the thickness T1 of the outer molded body 4 in the part 1 of the mouth is set to, for example, about 1.5 mm to 4 mm, and the thickness of the outer molded body 4 in the part 1
  • the thickness T2 of the portion of the intermediate molded body 5 in the portion 1 of the mouth is larger.
  • one molded body 8 is impregnated with brass A to form the entire rotor section 1.
  • the volume ratio of the compact 8 (the volume ratio of the compact 8 itself to small gaps and spaces) is set to, for example, 40 to 80%, and the volume ratio of the brass A impregnated in the compact 8 is, for example, 2%. It becomes 0 to 60%.
  • a portion (upper portion of the flange portion 2 in FIG. 4) of the flange portion 2 connected to a wheel (not shown) is impregnated with brass A in one molded body 9.
  • the volume ratio of the compact 9 (the volume ratio of the compact 9 itself to small gaps and spaces) is set to, for example, 15 to 25%, and the volume ratio of brass A impregnated in the compact 9 is For example, it is 75-85%.
  • the brake rotor shown in FIG. 5 is a disc-shaped and bench-type, and has a single molded body 10 in which a plurality of openings 10a are radially arranged. A is impregnated to form the whole part of the mouth.
  • the volume ratio of the compact 10 (the volume ratio of the compact 10 itself to small gaps and spaces)
  • the volume ratio of brass A impregnated in the molded body 10 is, for example, 20 to 60%.
  • the opening 10a of the molded body 10 is filled with brass A.
  • the hole 10a is opened.
  • a spacer (not shown) is put in advance in the opening 10a of the molded body 10, and the spacer is removed after the brass A is impregnated.
  • the portion of the flange portion 2 that is connected to the wheel (not shown) is formed by impregnating a single molded body (not shown) with brass A. (See FIG. 4 of [Alternative Embodiment 1] described above).
  • FIG. 6 shows a drum-shaped brake rotating body, which is formed of brass A with a cylindrical ring portion 11 having a predetermined width and a flange portion 12 connected to wheels. A central opening 17 and a hole 13 for inserting a bolt (not shown) are provided in the flange 12.
  • a single molded body 14 is impregnated with brass A, and the inner surface of the ring portion 11 is Form.
  • the volume ratio of the molded body 14 (the volume ratio of the molded body 14 itself to small gaps and spaces) is set to, for example, 10 to 40%, and the volume of the brass A impregnated in the molded body 14 The rate becomes, for example, 60 to 90%.
  • not only the inner surface of the ring portion 11 but also one formed body 14 may be impregnated with brass to form the entire ring portion 11.
  • a portion (upper portion of the flange portion 12 in FIG. 6) of the flange portion 12 connected to a wheel (not shown) is formed into one molded body 15. It may be formed by impregnating brass A.
  • the volume ratio of the molded body 15 (the volume ratio of the molded body 15 itself to small gaps and spaces) is set to, for example, 15 to 25%, and the volume of brass A impregnated in the molded body 15 The rate becomes, for example, 75 to 85%.
  • prepare the compacts 4 and 5 impregnated with aluminum (aluminum alloy) perform a drag test in which the brake (brake rotating body) is operated while operating on the braking side, and check the temperature of the rotor 1
  • the measured results are shown in Fig. 7 (first time of drag test) and Fig. 8 (second time of drag test).
  • Fig. 9 shows the results of a downhill test in which a vehicle integrally formed of (magnesium alloy) was prepared, and the brake (brake rotating body) was operated on the braking side and the vehicle was driven downhill. .
  • the solid line B 1 shows the temperature of the low-speed part of the brake rotor (disk shape)
  • the dashed-dotted line B 2 shows the temperature of the brake pad that applies braking to the brake rotor (disk shape).
  • the solid line B 3 indicates the temperature of the inner surface (the surface on which the brake shoe is pressed) of the ring portion of the brake rotating body (drum shape)
  • the dashed line B 4 indicates the temperature of the ring portion of the brake rotating body (drum shape). The temperature of the outer surface is shown.
  • a brake rotating body of a vehicle configured to include a pressed part against which the friction brake is pressed and a connecting part connected to the wheel
  • the molded body is impregnated with metal.
  • the metal impregnated in the molded body to aluminum, aluminum alloy, magnesium, magnesium alloy, or brass, it is possible to increase the heat resistant temperature of the pressed portion.
  • the molded body and the metal are located on the surface of the pressed portion where the friction braking member is pressed, so that the abrasion resistance of the pressed portion can be improved. Was able to improve durability.
  • the connecting portion by forming the connecting portion by impregnating the molded body with a metal, the strength of the connecting portion can be increased, and the tightening by the bolt and the nut is too strong.
  • the condition that the connection part has indentations or cracks can be reduced, and the metal to be impregnated into the compact is set to aluminum, aluminum alloy, magnesium, magnesium alloy, or brass. By doing so, the heat resistance temperature of the connecting portion can be increased, thereby improving the durability of the brake rotating body.
  • the weight of the connecting portion can be reduced by the amount occupied by the molded body, and the unsprung weight of the vehicle suspension can be reduced, thereby improving the suspension performance.
  • the weight of the connecting portion can be reduced by the amount occupied by the molded body, and the unsprung weight of the vehicle suspension can be reduced, thereby improving the suspension performance.
  • the vehicle brake rotator of the present invention can be used as a brake rotator in a disk type or drum type brake in a vehicle.

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

Abstract

Cette invention concerne un corps rotatif de frein pour véhicule. Pour la fabrication d'une pièce (1) serrée par un corps de freinage par frottement, on imprègne un métal fait d'aluminium ou d'alliage d'aluminium, de magnésium ou d'alliage de magnésium, ou bien de laiton (A), dans des corps non métalliques formés (4, 5) comportant un grand nombre de dégagements et d'espaces obtenus au moyen d'un matériau céramique et de fibres de carbone.
PCT/JP2002/006759 2001-10-15 2002-07-03 Corps rotatif de frein pour vehicule WO2003033930A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001316650A JP2003120733A (ja) 2001-10-15 2001-10-15 車両のブレーキ回転体
JP2001-316650 2001-10-15

Publications (1)

Publication Number Publication Date
WO2003033930A1 true WO2003033930A1 (fr) 2003-04-24

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ID=19134633

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2002/006759 WO2003033930A1 (fr) 2001-10-15 2002-07-03 Corps rotatif de frein pour vehicule

Country Status (2)

Country Link
JP (1) JP2003120733A (fr)
WO (1) WO2003033930A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20152386A1 (it) * 2015-07-22 2017-01-22 Freni Brembo Spa Materiale sagomato e procedimento di fabbricazione
CN107100949A (zh) * 2017-04-17 2017-08-29 湖南锴博新材料科技有限公司 一种组合式复合材料制动盘及制备方法和应用

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5438288B2 (ja) * 2008-06-17 2014-03-12 株式会社 エマージー ディスクブレーキ用のディスク素材と、その製造方法
KR101491167B1 (ko) 2009-04-06 2015-02-06 현대자동차주식회사 브레이크 디스크 및 그 제조방법

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524270A (en) * 1978-08-11 1980-02-21 Honda Motor Co Ltd Brake disc
JPH0575536U (ja) * 1992-03-17 1993-10-15 曙ブレーキ工業株式会社 ドラムブレーキの軽量ドラム
JPH06341472A (ja) * 1993-06-03 1994-12-13 Mazda Motor Corp 複合材製ブレ−キロ−タ及びその製造方法
JPH08326802A (ja) * 1995-05-30 1996-12-10 Gkn Sankey Ltd ブレーキディスク及びその製造方法
JPH10147826A (ja) * 1996-11-15 1998-06-02 Nippon Cement Co Ltd 金属−セラミックス複合材料の製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5524270A (en) * 1978-08-11 1980-02-21 Honda Motor Co Ltd Brake disc
JPH0575536U (ja) * 1992-03-17 1993-10-15 曙ブレーキ工業株式会社 ドラムブレーキの軽量ドラム
JPH06341472A (ja) * 1993-06-03 1994-12-13 Mazda Motor Corp 複合材製ブレ−キロ−タ及びその製造方法
JPH08326802A (ja) * 1995-05-30 1996-12-10 Gkn Sankey Ltd ブレーキディスク及びその製造方法
JPH10147826A (ja) * 1996-11-15 1998-06-02 Nippon Cement Co Ltd 金属−セラミックス複合材料の製造方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITUB20152386A1 (it) * 2015-07-22 2017-01-22 Freni Brembo Spa Materiale sagomato e procedimento di fabbricazione
WO2017013626A1 (fr) * 2015-07-22 2017-01-26 Freni Brembo S.P.A. Matériau formé et procédé de fabrication
CN107850155A (zh) * 2015-07-22 2018-03-27 福乐尼·乐姆宝公开有限公司 成型材料和制造方法
EP3325839B1 (fr) 2015-07-22 2021-06-09 Freni Brembo S.p.A. Materiau forme et procede de manufacture d'un tel materiau
CN107850155B (zh) * 2015-07-22 2021-06-25 福乐尼·乐姆宝公开有限公司 成型材料和制造方法
US11649865B2 (en) 2015-07-22 2023-05-16 Brembo S.P.A. Shaped material and manufacturing method
CN107100949A (zh) * 2017-04-17 2017-08-29 湖南锴博新材料科技有限公司 一种组合式复合材料制动盘及制备方法和应用
CN107100949B (zh) * 2017-04-17 2019-01-29 湖南世鑫新材料有限公司 一种组合式复合材料制动盘及制备方法和应用

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