WO2002031376A1 - Separating brake disc - Google Patents

Separating brake disc Download PDF

Info

Publication number
WO2002031376A1
WO2002031376A1 PCT/KR2001/001521 KR0101521W WO0231376A1 WO 2002031376 A1 WO2002031376 A1 WO 2002031376A1 KR 0101521 W KR0101521 W KR 0101521W WO 0231376 A1 WO0231376 A1 WO 0231376A1
Authority
WO
WIPO (PCT)
Prior art keywords
disc
brake
plates
brake disc
bolts
Prior art date
Application number
PCT/KR2001/001521
Other languages
French (fr)
Inventor
Mun-Gu Song
Jeong-Hyun Sohn
Original Assignee
Song Mun Gu
Sohn Jeong Hyun
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
Priority to KR2000/0059970 priority Critical
Priority to KR1020000059970A priority patent/KR20010000668A/en
Priority to KR2001/0045024 priority
Priority to KR1020010045024A priority patent/KR100343068B1/en
Application filed by Song Mun Gu, Sohn Jeong Hyun filed Critical Song Mun Gu
Publication of WO2002031376A1 publication Critical patent/WO2002031376A1/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • F16D65/12Discs; Drums for disc brakes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • F16D2065/13Parts or details of discs or drums
    • F16D2065/1304Structure
    • F16D2065/132Structure layered
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • F16D2065/13Parts or details of discs or drums
    • F16D2065/1304Structure
    • F16D2065/1328Structure internal cavities, e.g. cooling channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • F16D2065/13Parts or details of discs or drums
    • F16D2065/134Connection
    • F16D2065/1392Connection elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D2069/004Profiled friction surfaces, e.g. grooves, dimples
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0004Materials; Production methods therefor metallic
    • F16D2200/0008Ferro
    • F16D2200/0013Cast iron
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D2200/00Materials; Production methods therefor
    • F16D2200/0004Materials; Production methods therefor metallic
    • F16D2200/0026Non-ferro
    • F16D2200/003Light metals, e.g. aluminium

Abstract

Disclosed is a brake disc for vehicle comprising; a disc body coupled to an axle and made of an aluminum alloy; and plates detachably fastened to said disc body at both sides for providing friction surfaces to brake pads. Therefore, the invention provides the detachable disc brake which simplifies repair and replacement in maintenance caused by abrasion and in which the disc body is made of the aluminum alloy that is light and excellent in radiation thereby obtaining stable brake power and mileage improvement.

Description

SEPARATING BRAKE DISC
BACKGROUND OF THE INVENTION
Field of the Invention
The present invention relates to a brake disc for a vehicle, and more particularly,
to a detachable brake disc having a brake disc body made of an aluminum alloy being
detachable from plates.
Description of the Related Art
In general, a brake installed in a vehicle has a configuration for compressing a
circular brake disc at one side and/or both sides to obtain brake power using a brake pad
or brake pads. This brake is generally called a disc-type brake, in which the speed of a
moving vehicle is decelerated by compression of the disc and the pads and at the same
time a portion of kinetic energy of the vehicle is converted into heat.
The disc-type brake like this is required to have the brake disc as light as possible
to improve running performance, mileage and heat radiation. For the purpose of this, the
brake disc body generally fixed to a hub is made of a light alloy such as aluminum alloy.
However, when the brake disc body is made of the aluminum alloy, in order to
resist friction, doughnut-shaped cast-iron plates are bonded to the surfaces of the disc
contacting to the pads using a welding such as the friction compression and the alfin
process so that the pad may have a friction against the cast-iron plate.
However, when the cast-iron plates are bonded to such a brake disc body, abrasion is accumulated to the cast iron plates due to the contact with the pad as the brake
is operated to fracture the cast-iron plates. When heavily worn, the cast-iron plates are
necessarily replaced regularly. However, since the cast-iron plates are welded to the
brake disc body, the brake disc should be replaced itself.
Further, in order to bond the cast-iron plates to the brake disc body using the
friction compression or the alfin process, a high price special apparatus is required and the
manufacturing cost of the brake disc is raised as a problem.
SUMMARY OF THE INVENTION
Accordingly, the present invention has been proposed to solve the
foregoing problems and it is therefore an object of the invention to provide a detachable
brake disc divided into a disc body and plates, by which only the worn plates can be
replaced without replacing the brake disc itself when replacement thereof is required due
to accumulated abrasion, and by which excess expense due to replacement of the brake
disc itself is saved and a semi-permanent brake disc can be obtained.
It is another object of the invention to provide a brake disc which shows excellent
heat radiation and mileage by using a disc body made of an aluminum alloy which is light
and excellent in thermal conductivity.
According to an embodiment of the invention to obtain the foregoing objects, it is
provided a brake disc for a vehicle comprising: a disc body coupled to an axle and made
of an aluminum alloy; and plates detachably fastened to the disc body at both sides for providing friction surfaces to brake pads.
In the brake disc, the disc body includes a core with recesses and projections and
facings for surrounding both sides of the core, in which the core has the recesses and the
projections to improve heat radiation.
In another aspect, the detachable brake disc of the invention is comprised of a
brake disc body and plates, in which the disc body has recesses and projections
alternatively formed in a radial manner in the surface to reduce self- weight and accelerate
the flow of heat created by friction thereby improving heat radiation performance.
Preferably, the disc body and the plates are coupled with bolts.
Further, when the disc body and the plates are coupled with bolts, the disc body
has bolt fixing portions with a thickness in the surface where the bolts penetrate so that
the bolts can be stably fastened to the disc body.
Further, in the brake disc of the invention, the disc body and/or the plates have a
number of pores to enhance heat radiation for friction heat created by compression of the
pads.
Further, in the brake disc of the invention, the disc body has a number of pin
holes and the plates have grooves mutually opposed to the pin holes so that both ends of
fixing pins penetrating the pin holes in the brake disc body are inserted into the grooves,
thereby to obtain an additional fastening force preventing slip between the disc body and
the plates. BRIEF DESCRIPTION OF THE DRAWINGS
The above object, and other features and advantages of the present invention will become more apparent after a reading of the following detailed description when taken in conjunction with the drawings, in which:
Fig. 1 is a perspective exploded view for showing a brake disc according to an
embodiment of the invention;
Fig. 2 is a perspective exploded view for showing a brake disc according to
another embodiment of the invention;
Fig. 3 is a perspective view of the disc shown in Fig. 2 assembled according to
the embodiment of the invention; and
Fig. 4 is a schematic sectional view of a disc-type brake employing a detachable
brake disc of the invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Hereinafter, description will be made in reference to the accompanying
drawings for more profound understanding of the invention, whereas it should be
understood apparent by those skilled in the art that the invention can be implemented
without those drawings and detailed description. Addition of numerals and description
to those known features which may unnecessarily malce the concept of the invention
ambiguous will be omitted. Those well-known components and systems will be shown
as blocks so as to avoid that the disclosure of the invention may be made unnecessarily
ambiguous. Fig. 1 is a perspective exploded view for showing a brake disc according to an
embodiment of the invention.
As shown in Fig. 1, a detachable brake disc 1 comprises a brake disc body 10
coupled to an axle and made of a light alloy such as aluminum alloy and left and right
plates 20a and 20b detachably fastened to the disc body 10 at both of right and left sides
thereof and made of cast iron or non-ferrous metal.
The disc body 10 is divided into a core 11 having recesses and projections and
facings 12 surrounding both sides of the core 11, in which the core 11 and the facings 12
are integrally made of an aluminum alloy.
The core 11 with the recesses and the projections has a structure which decreases
the weight of the disc body as well as assists radiation of friction heat created by contact
with pads B (refer to Fig. 4).
Also, the disc body 10 is constituted by the aluminum alloy as a light metal so as
to reduce the weight of the whole brake disc in a great amount thereby obtaining an
excellent effect for mileage.
The disc, body 10 is provided with a number of fastening holes 15 in the surface
thereof, and the left and right plates 20a and 20b are provided with fastening holes 25 in
positions corresponding to the fastening holes 15 of the disc body 10. The reference
numeral 30 designates bolts, and 35 designates nuts.
The fastening holes 25 in the plate surfaces have diameters larger than those of
the bolts 30 and the nuts 35 in order to prevent the bolts 30 and the nuts 35 from projecting out of the surfaces of the plates 20a and 20b.
Also, the dept of insertion of the bolts 30 and the nuts 35 into the plates 20a and
20b is determined under a suitable magnitude when the disc body 10 and the plates 20a
and 20b are fastened by the bolts 30 and the nuts 35, thereby preventing the bolts 30 or the
nuts 35 from projecting over the surfaces of the plates 20a and 20b even if the plates 20a
and 20b are worn at a certain thickness due to friction with the pads.
Another embodiment according to the detachable brake disc of the invention is
described in reference to Figs. 2 and 3.
Fig. 2 is a perspective exploded view for showing a brake disc according to
another embodiment of the invention, and Fig. 3 is a perspective view of the disc shown
in Fig. 2 assembled according to the embodiment of the invention.
As shown in Figs. 2 and 3, the detachable brake 1 comprises a brake disc body
100 made of a light alloy such as aluminum alloy and left and right plates 20a and 20b
made of cast iron or non-ferrous metal.
The brake disc body 100 has recesses 110 and projections 120 alternatively
formed radial from the center, in which the projections 110 have bolt holes 115 through
which bolts 300 pass.
Also, the rear sides of the projections 110 are provided with bolt holding portions
125 at the periphery of the disc body 100 at a uniform thickness for supporting the
inserted bolts 300 to be stably fastened.
The projections 110 and the recesses 120 are alternatively formed to maximize utilization of the surface of the body 100.
The projections 110 or the recesses 120 are used as guide passages of friction heat,
and the left and right plates 200a and 200b are preferably provided in the surfaces thereof
with a number of pores 220, so that friction heat created in contact of the plates 200a and
200b to the pads B (refer to Fig. 4) is discharged through the pores 200 and the
projections 110 or the recesses 120 to promote an effect of heat radiation.
According to positions of the projections 110 where the bolt holes 115 are formed,
the plates 200a and 200b are provided in the surfaces thereof with a number of fastening
holes 210 into which the bolts 300 are inserted to be fastened with the disc body 100.
The fastening holes 210 in the plate surfaces have diameters slightly larger than
those of heads of the bolts in order to prevent that the heads of the bolts 300 project over
the surfaces of the plates 200a and 200b and contact with the pads B.
Also, the bolts 300 are inserted into the plates 200a and 200b less than a suitable
depth so that the heads may not project over the surfaces of the plates 200a and 200b even
if the plates 200a and 200b are worn at a certain thickness.
Further, the disc body 100 has a number of pin holes 150 and the plates 200a and
200b have grooves 250 opposed to the pin holes 150 so that both ends of fixing pins 400
are inserted into the grooves 250 after penetrating the pin holes 150 of the disc body 100.
The fixing pins 400 are additionally and optionally inserted to incur a strong
compression by the pads B (refer to Fig. 4) thereby preventing the disc body 100 and the
plates 200a and 200b from slipping from each other. In other words, this is proposed to decrease a moment applied to the bolts 300 by
mutually opposed inertia forces of the disc body 100 which tends to continuously move as
connected to the axle (not shown) and the plates 200a and 200b which tend to be stopped
by the pads.
The fixing pins 400 primarily penetrate the pin holes 150 of the disc body 100
before fastening by the bolts 300, and the both ends of the fixing pins 400 are inserted into
the grooves 250 in the plates 200a and 200b.
As described hereinbefore, the invention provides the detachable disc brake
which simplifies repair and replacement in maintenance caused by abrasion and in which
the disc body is made of the aluminum alloy that is light and excellent in radiation thereby
obtaining stable brake power and mileage improvement.
The invention as described hereinbefore is not restricted by the embodiments and
the accompanying drawings, but it will be apparent to those skilled in the art that various
substitutions, modifications and changes can be made without departing from the
technical scope of the invention.

Claims

WHAT IS CLAIMED IS:
1. A brake disc for a vehicle comprising:
a disc body coupled to an axle and made of an aluminum alloy; and
plates detachably fastened to said disc body at both sides for providing friction
surfaces to brake pads.
2. The brake disc according to claim 1, wherein said disc body includes a core with
recesses and projections and facings for surrounding both sides of said core, wherein said
core and said facings are integrally provided.
3. The brake disc according to claim 1, wherein said disc body has recesses and
projections alternatively formed in a radial manner in the surface.
4. The brake disc according to claim 1, wherein said disc body and said plates are
coupled with bolts.
5. The brake disc according to claim 4, wherein said disc body has bolt fixing
portions in the surface, said bolt fixing portions having a thickness so that bolts inserted
after penetrating said plates are stably fastened to said disc body.
6. The brake disc according to claim 1, wherein said disc body and/or said plates
have a number of pores.
7. The brake disc according to claim 1, wherein said disc body has a number of pin
holes and said plates have grooves mutually opposed to said pin holes so that both ends of
fixing pins penetrating said pin holes in said brake disc body are inserted into said grooves.
PCT/KR2001/001521 2000-10-12 2001-09-08 Separating brake disc WO2002031376A1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR2000/0059970 2000-10-12
KR1020000059970A KR20010000668A (en) 2000-10-12 2000-10-12 A Break Disc For An Automobile
KR2001/0045024 2001-07-26
KR1020010045024A KR100343068B1 (en) 2000-10-12 2001-07-26 Separating brake disc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU8630701A AU8630701A (en) 2000-10-12 2001-09-08 Separating brake disc

Publications (1)

Publication Number Publication Date
WO2002031376A1 true WO2002031376A1 (en) 2002-04-18

Family

ID=26638466

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2001/001521 WO2002031376A1 (en) 2000-10-12 2001-09-08 Separating brake disc

Country Status (3)

Country Link
KR (1) KR100343068B1 (en)
AU (1) AU8630701A (en)
WO (1) WO2002031376A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007096371A1 (en) * 2006-02-21 2007-08-30 Mako Shark S.R.L. Brake disc
DE102010060197A1 (en) * 2010-10-27 2012-05-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Brake disc used for brake assembly of motor vehicle e.g. car, has acoustic-decoupling unit that is inserted into brake disc, for reducing vibration-induced noises
US8522931B2 (en) 2010-03-30 2013-09-03 Shimano Inc. Disk brake rotor
CN106870606A (en) * 2015-12-11 2017-06-20 Posco公司 Attached type potassium steel brake disc
DE102016119773A1 (en) * 2016-10-18 2018-04-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Composite brake disc and disc brake
CN111559356A (en) * 2020-07-16 2020-08-21 莱州三力汽车配件有限公司 Double-disc brake disc of high-performance vehicle

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100543685B1 (en) * 2002-05-15 2006-01-20 손정현 Brake device
KR101035886B1 (en) * 2009-07-03 2011-05-19 주식회사 대성엔지니어링 Supporter of brake disk rotor of separation type for a car and mounting structure thereof
KR101439141B1 (en) * 2012-12-27 2014-09-11 현대자동차주식회사 Light type disk brake being triple jointing
KR101352498B1 (en) * 2013-03-24 2014-01-24 강대협 Break disk rotor with hybrid sealing material for vehicle
KR101532731B1 (en) * 2013-04-22 2015-07-06 이종만 Brake Disc and the manufacturing methods, and the manufacturing device
KR101928912B1 (en) * 2017-04-13 2019-03-14 주식회사 한양정밀 Manufacturing Method of The Brake Disc And Brake Disc by the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635690U (en) * 1992-10-16 1994-05-13 株式会社アンクラフト Assembled brake disc
KR0120176Y1 (en) * 1995-11-29 1998-07-01 김태구 Disk rotor cooling device
KR19990073423A (en) * 1999-07-12 1999-10-05 김영수 Lightweight disc for disc type brake

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0635690U (en) * 1992-10-16 1994-05-13 株式会社アンクラフト Assembled brake disc
KR0120176Y1 (en) * 1995-11-29 1998-07-01 김태구 Disk rotor cooling device
KR19990073423A (en) * 1999-07-12 1999-10-05 김영수 Lightweight disc for disc type brake

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007096371A1 (en) * 2006-02-21 2007-08-30 Mako Shark S.R.L. Brake disc
US8522931B2 (en) 2010-03-30 2013-09-03 Shimano Inc. Disk brake rotor
DE102011001504B4 (en) * 2010-03-30 2017-02-23 Shimano Inc. Bicycle disc brake rotor
DE102010060197A1 (en) * 2010-10-27 2012-05-03 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Brake disc used for brake assembly of motor vehicle e.g. car, has acoustic-decoupling unit that is inserted into brake disc, for reducing vibration-induced noises
CN106870606A (en) * 2015-12-11 2017-06-20 Posco公司 Attached type potassium steel brake disc
US10018236B2 (en) 2015-12-11 2018-07-10 Posco Attachable high-Mn steel brake disk
CN106870606B (en) * 2015-12-11 2019-02-22 Posco公司 Attached type potassium steel brake disc
DE102016119773A1 (en) * 2016-10-18 2018-04-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Composite brake disc and disc brake
CN111559356A (en) * 2020-07-16 2020-08-21 莱州三力汽车配件有限公司 Double-disc brake disc of high-performance vehicle

Also Published As

Publication number Publication date
KR100343068B1 (en) 2002-07-05
KR20010082476A (en) 2001-08-30
AU8630701A (en) 2002-04-22

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