WO2007046212A1 - 摩擦板の製造方法,並びに摩擦板における芯板の鋳造装置 - Google Patents
摩擦板の製造方法,並びに摩擦板における芯板の鋳造装置 Download PDFInfo
- Publication number
- WO2007046212A1 WO2007046212A1 PCT/JP2006/318690 JP2006318690W WO2007046212A1 WO 2007046212 A1 WO2007046212 A1 WO 2007046212A1 JP 2006318690 W JP2006318690 W JP 2006318690W WO 2007046212 A1 WO2007046212 A1 WO 2007046212A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- core plate
- plate
- mold
- lining
- cavity
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/002—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure using movable moulds
-
- 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
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
- F16D13/64—Clutch-plates; Clutch-lamellae
- F16D13/648—Clutch-plates; Clutch-lamellae for clutches with multiple lamellae
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
- F16D2069/0441—Mechanical interlocking, e.g. roughened lining carrier, mating profiles on friction material and lining carrier
-
- 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
- F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
- F16D69/04—Attachment of linings
- F16D2069/0425—Attachment methods or devices
- F16D2069/0491—Tools, machines, processes
-
- 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
Definitions
- the present invention relates to a core plate formed by integrally projecting a plurality of transmission claws that are thicker than the inner periphery or outer periphery of an annular core plate main body and arranged at equal intervals in the circumferential direction;
- the present invention relates to a method of manufacturing a friction plate comprising a lining made of a friction material bonded to a side surface of the core plate main body, and a core plate forging device in the friction plate.
- a friction plate composed of a friction material lining bonded to the side surface of the friction plate is already known as disclosed in Patent Document 1 below, and the core plate of this friction plate can be manufactured by die casting.
- Patent Document 2 below it is already known.
- Patent Document 1 Japanese Patent Laid-Open No. 11 269279
- Patent Document 2 Japanese Unexamined Patent Publication No. 7-98025
- the side of the core plate is pressed by the ejector pin in order to discharge the mold force when the core plate is manufactured.
- the ejector pin contact mark remained as a shallow recess on the side surface of the core plate, and the side surface of the core plate was cut smoothly to eliminate the recess, thereby improving the adhesion of the lining to the side surface.
- the above-described cutting process requires a lot of labor and time, which is an obstacle to reducing the friction plate manufacturing cost.
- the present invention has been made in view of the situation of force A.
- the side surface can be smoothly formed while suppressing the occurrence of warpage, and no cutting process is performed.
- the lining can be accurately bonded to the side surface, almost no force or trimming is required, and the yield of raw materials is improved, which can greatly contribute to the reduction of manufacturing costs.
- An object of the present invention is to provide a core plate forging apparatus for a friction plate.
- the present invention integrally projects a plurality of transmission claws that are thicker and arranged at equal intervals in the circumferential direction on the inner periphery or outer periphery of the annular core plate main body.
- a friction plate manufacturing method comprising: a core plate provided; and a friction material lining bonded to a side surface of the core plate main body, wherein the outer shape of the core plate is made unnecessary to perform trimming after molding.
- the core plate is formed by inserting the raw material into the cavity defined between the fixed mold and the movable mold in correspondence with the mold, and after this insertion process, the core plate is placed in one mold.
- the mold opening process for opening the two molds in the attached state, and after this mold opening process, the part of the one mold that touches the entire side surface of the core plate is moved relative to the other part.
- a discharging step for discharging the core plate, and after this discharging step, a lining is provided on the core plate main side surface of the core plate. To include a lining adhering step of adhering the first feature.
- the present invention further includes interposing a sand blasting process for performing a sand blasting process in which the surface of the core plate is a matte surface between the discharging process and the lining bonding process.
- the present invention provides a core plate forging apparatus for a friction plate of the first feature, comprising a fixed mold and a movable mold that are opposed to each other so as to define the cavity.
- the movable mold includes an inner movable block that forms the inner peripheral wall of the cavity, an outer movable block that surrounds the inner movable block and forms the outer peripheral wall of the cavity, and these inner and outer movable blocks. Placed between the blocks, the molding position to form one inner wall of the cavity, and the core plate outside the movable block inside and outside during mold opening after molding the core plate
- the third feature is that it consists of an intermediate movable block that can move between the discharge position and the discharge position.
- the first feature of the present invention it is possible to obtain a core plate that is smooth on both sides and does not have an extra pressure receiving portion and has no warping force. There is no need for post-processing such as cutting or trimming, and the yield of raw materials is high, so manufacturing costs can be greatly reduced.
- the lining can be securely bonded to both sides of the core plate. Furthermore, since the entire surface of the core plate is free, it is chilly and has high hardness, and the durability of the core plate can be improved.
- the textured surface formed on the surface of the core plate by sandblasting can promote the anchor effect of the adhesive and increase the adhesion of the lining.
- the core plate can be obtained easily and surely without both sides being smooth and having no extra pressure-receiving portion.
- FIG. 1 is a longitudinal sectional view of a multi-plate clutch provided with a friction plate manufactured according to the present invention.
- FIG. 2 is a partially broken plan view of the friction plate. (First example)
- FIG. 3 is a cross-sectional view taken along line 3—3 of FIG. (First example)
- FIG. 4 is a longitudinal sectional view of a forging device used for forming a core plate in the friction plate. (First example)
- FIG. 5 is an enlarged view of part 5 of FIG. 4 (showing the state when the core plate is formed).
- FIG. 6 is a view corresponding to FIG. 6 and showing a discharge state after forming the core plate.
- FIG. 7 is a plan view of the core plate immediately after the forging device force is taken out.
- Friction plate drive friction plate
- a multi-plate clutch or a bottomed cylindrical clutch counter 2 to which the input gear 1 is coupled, a clutch inner 3 disposed in the clutch counter 2 so as to be rotatable relative thereto, a clutch counter 2 and a plurality of drive friction plates 4, 4 ..., which are spline-fitted to be axially slidable, and these drive friction plates 4, 4 ... are alternately stacked to enable axial sliding on the clutch inner 3
- a plurality of driven friction plates 5, 5... which are spline-fitted, and a pressure receiving plate 6 which is integrally connected to one end of the clutch inner 3 and faces the outer surface of the drive friction plates 4, 4.
- a pressure plate 7 facing the outer surface of the drive friction plate 4 at the innermost position.
- the pressure plate 7 is connected to the clutch inner 3 so as to be axially slidable and rotatable integrally therewith. Is done.
- the pressure plate 7 is integrally provided with a plurality of support arms 8 (only one of them is shown in the figure) that penetrates the side wall of the clutch inner 3 and protrudes outward.
- a release plate 9 is fixed to the tip of the arm 8 with a bolt 12, and a clutch spring 10 that urges the pressure plate 7 toward the pressure receiving plate 6 via the release plate 9 between the release plate 9 and the clutch inner 3. It will be reduced.
- An output shaft 11 that passes through the central portion of the clutch outer 2 is splined to the hub 3 a formed at the central portion of the clutch inner 3.
- the pressure plate 7 cooperates with the pressure receiving plate 6 to drive and drive the friction plates 4, 5. Because of the pinching, the multi-plate clutch C is in the connected state, enabling power transmission between the input gear 1 and the output shaft 11.
- the release plate 9 is pressed against the urging force of the clutch spring 10
- the pressure plate 7 is driven and retracted from the driven friction plates 4 and 5, and the clamping pressure on the drive and driven friction plates 4 and 5 is reduced. Since it is released, the multi-plate clutch C is disengaged and the transmission of power between the input gear 1 and the output shaft 11 can be interrupted.
- the drive friction plate 4 is composed of a core plate 15 made of a light alloy such as an A1 alloy and a lining 16 made of a friction material bonded to both side surfaces thereof.
- the lining 16 is composed of a large number of strip-shaped lining pieces 16a, 16a ... arranged at equal intervals in the circumferential direction of the core plate 15, and adjacent lining pieces 16a, 16a ...
- the groove 17 defined between them serves as a cooling oil passage.
- the core plate 15 includes an annular core plate main body 15a and a plurality of transmission claws 15b, 15b that are integrally projected on the outer periphery of the core plate main body 15a so as to be arranged at equal intervals in the circumferential direction.
- Each transmission claw 15b is thicker than that of the core plate main body 15a.
- These transmission claws 15b, 15b ... are slidably fitted into the spline grooves of the clutch outer 2 and receive the driving torque of the clutch outer 2.
- the thickening of each transmission pawl 15b This is effective in reducing the surface pressure of the torque transmission surface against the clutch counter 2 and improving its durability.
- the lining 16 is bonded to both side surfaces of the core plate main body 15a via an adhesive 18.
- the forging apparatus D includes a machine base 20, a fixed mold holder 21 supported by the machine base 20, a moving base 22 that is opposed to the machine base 20 along the direction of arrow S, and an intermediate base 23. And a movable mold holder 24 supported via the.
- a fixed mold 25 is attached to the fixed mold holder 21, and a movable mold 27 that defines a cavity 26 corresponding to the outer shape of the core plate 15 in cooperation with the fixed mold 25 is a movable mold.
- Mounted on holder 24. Giving the cavity 26 a shape corresponding to the outer shape of the core plate 15 means that the core plate 15 formed with the cavity 26 is not provided with an extra pressure receiving portion that requires trimming.
- the movable mold 27 includes an inner movable block 28 that forms the inner peripheral wall 26a of the cavity 26, and a main portion of the outer peripheral wall 26b of the cavity 26 that surrounds the inner movable block 28.
- the outer movable block 29 to be formed and the intermediate movable block 30 disposed between the inner and outer movable blocks 28 and 29 to form one inner wall 26c of the cavity 26 are formed.
- the other inner wall 26 d of the cavity 26 is formed by a fixed mold 25.
- the inner and outer movable blocks 28 and 29 are fixed to a common mounting substrate 31 that is attached to the movable mold holder 24.
- the intermediate movable block 30 is fitted to the inner and outer movable blocks 28 and 29 so as to slide along the arrow S direction.
- the intermediate movable block 30 is connected to an operating plate 32 disposed in the hollow portion 23a of the intermediate base 23 via a plurality of connecting rods 33, 33 penetrating the movable mold holder 24.
- the actuating plate 32 is provided with a plurality of sleeves 35, 35 fixed to the movable mold holder 24 and slidably fitted to a plurality of guide shafts 34, 34 extending in the arrow S direction.
- the actuating plate 32 can be moved back and forth along the shafts 34 and 34.
- the retracted position of the operating plate 32 is regulated by the back surface of the operating plate 32 coming into contact with the enormous heads 34a of the guide shafts 34, 34, and the forward position of the operating plate 32 is controlled by the front surface of the operating plate 32. It is regulated by coming into contact with a stagger member 36 fixed to the back surface of the movable mold holder 24. In this way, the actuating plate 32 is given a certain forward / backward stroke.
- the intermediate movable block 30 When the actuating plate 32 occupies the retracted position, the intermediate movable block 30 is held at the molding position A where the front surface of the intermediate movable block 30 recedes from the front surfaces of the inner and outer movable blocks 28, 29, and the actuating plate 32 moves to the advanced position.
- the hollow movable mold 27 When occupying, the hollow movable mold 27 has its front side inside and And the outer movable blocks 28 and 29 are held at a discharge position B protruding from the front surface.
- An actuator 40 provided on the moving base 22 is connected to the operating plate 32 via an operating rod 41 so as to advance and retract the operating plate 32.
- a gate 42 is formed that opens at the outer periphery of the cavity 26 corresponding to the valley between the transmission claws 15b, 15b ... of the core plate 15. Is done.
- the moving plate 22 is moved in a state where the actuating plate 32 is moved backward by the actuator 40 and the intermediate movable block 30 is moved back and held at the forming position A.
- the pedestal 20 is moved forward by force, and the inner and outer movable blocks 28 and 29 of the movable mold 27 are brought into close contact with the fixed mold 25.
- a cavity 26 corresponding to the outer shape of the core plate 15 is defined between the movable mold 27 and the fixed part. Therefore, a melt of light alloy as a raw material for the core plate 15 is injected and filled into the cavity 26 from the gate. Mold the core plate 15.
- the moving base 22 is moved backward to open the mold. That is, the movable mold 27 is separated from the fixed mold 25.
- the inner peripheral wall 26a and the outer peripheral wall 26b of the cavity 26 are formed by the inner movable block 28 and the outer movable block 29, respectively. Therefore, when the mold is opened, the molded core plate 15 Also, move away from the fixed mold 25 while staying on the movable mold 27 side.
- the actuating plate 32 is moved forward by the actuator 40 to move the intermediate movable block 30 forward to the discharge position B as shown in FIG. . Since the intermediate movable block 30 is involved in the formation of the entire one side surface of the cavity 26, the intermediate movable block 30 presses the entire one side surface of the core plate 15 while it reaches the advanced position. Can be discharged to the outside of the inner and outer movable blocks 28 and 29 without causing deformation and without causing a pressing mark on the core plate 15. The core plate 15 can be naturally dropped from the intermediate movable block 30 or can be easily discharged by air pressure.
- the core plate 15 thus fabricated is a small runner in which both sides of the core plate 15 are smooth, have no extrusion traces, no force and warp, and the gate 42 is buried. Since there is no extra pressure receiving part other than 45, there is no need for post-processing such as cutting and trimming, as the raw material yield is good! / ⁇ .
- the surface of the core plate 15 is sandblasted to form a pear ground 44 (see Fig. 3), and then adhesive 18 is applied to the pear ground on both sides of the core plate main body 15a.
- the lining 16 is bonded to both side surfaces of the core plate main body 15a through the adhesive 18.
- the pear ground 44 promotes the anchor effect of the adhesive 18 and contributes to the strengthening of the adhesive force of the lining 16.
- the core plate 15 can be obtained as a core plate with both sides smooth and free of excessive pressure-receiving portions and free of warping force. Since post-processing such as trimming is hardly required and the yield of raw materials is good, the manufacturing cost can be greatly reduced.
- the lining 16 can be securely attached to both side surfaces of the core plate main body 15a. Furthermore, since the entire surface of the core plate 15 is loose, it is chilled and has high hardness, and the durability of the core plate 15 can be improved.
- the present invention is not limited to the above-described embodiments, and various design changes can be made without departing from the scope of the invention.
- the present invention can be applied to the manufacture of the driven friction plate 5 having a plurality of transmission claws on the inner periphery. It can also be applied to the production of friction plates for brakes.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Operated Clutches (AREA)
- Braking Arrangements (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0617661-5A BRPI0617661A2 (pt) | 2005-10-20 | 2006-09-21 | processo para a produção de placa de fricção e sistema para fundição de placa núcleo da placa de fricção |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005306300A JP2007111746A (ja) | 2005-10-20 | 2005-10-20 | 摩擦板の製造方法,並びに摩擦板における芯板の鋳造装置 |
JP2005-306300 | 2005-10-20 |
Publications (1)
Publication Number | Publication Date |
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WO2007046212A1 true WO2007046212A1 (ja) | 2007-04-26 |
Family
ID=37962310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/318690 WO2007046212A1 (ja) | 2005-10-20 | 2006-09-21 | 摩擦板の製造方法,並びに摩擦板における芯板の鋳造装置 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2007111746A (ja) |
CN (1) | CN101291760A (ja) |
BR (1) | BRPI0617661A2 (ja) |
WO (1) | WO2007046212A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106141139A (zh) * | 2015-04-24 | 2016-11-23 | 重庆吉科阳机械配件有限公司 | 一种压铸模具 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0798025A (ja) * | 1992-08-06 | 1995-04-11 | Honda Motor Co Ltd | 多板摩擦クラッチにおける摩擦板の製造方法 |
JP2000314399A (ja) * | 1999-03-03 | 2000-11-14 | Mitsubishi Electric Corp | プロペラファン、プロペラファンの溶融金属成形方法、プロペラファンの溶融金属成形装置 |
-
2005
- 2005-10-20 JP JP2005306300A patent/JP2007111746A/ja active Pending
-
2006
- 2006-09-21 BR BRPI0617661-5A patent/BRPI0617661A2/pt not_active IP Right Cessation
- 2006-09-21 WO PCT/JP2006/318690 patent/WO2007046212A1/ja active Application Filing
- 2006-09-21 CN CNA2006800392891A patent/CN101291760A/zh active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0798025A (ja) * | 1992-08-06 | 1995-04-11 | Honda Motor Co Ltd | 多板摩擦クラッチにおける摩擦板の製造方法 |
JP2000314399A (ja) * | 1999-03-03 | 2000-11-14 | Mitsubishi Electric Corp | プロペラファン、プロペラファンの溶融金属成形方法、プロペラファンの溶融金属成形装置 |
Also Published As
Publication number | Publication date |
---|---|
CN101291760A (zh) | 2008-10-22 |
JP2007111746A (ja) | 2007-05-10 |
BRPI0617661A2 (pt) | 2011-08-02 |
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