CN1027305C - Method for producing friction disk of multi-disk friction clutch - Google Patents
Method for producing friction disk of multi-disk friction clutch Download PDFInfo
- Publication number
- CN1027305C CN1027305C CN 93103228 CN93103228A CN1027305C CN 1027305 C CN1027305 C CN 1027305C CN 93103228 CN93103228 CN 93103228 CN 93103228 A CN93103228 A CN 93103228A CN 1027305 C CN1027305 C CN 1027305C
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- China
- Prior art keywords
- tubular body
- ring
- friction disk
- clutch
- annular portion
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- 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.)
- Expired - Fee Related
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 27
- 210000000078 claw Anatomy 0.000 claims abstract description 8
- 239000007769 metal material Substances 0.000 claims description 6
- 230000008602 contraction Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 13
- 238000005520 cutting process Methods 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000005452 bending Methods 0.000 abstract 1
- 238000003825 pressing Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 230000003872 anastomosis Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010665 pine oil Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Mechanical Operated Clutches (AREA)
Abstract
The invention provides a friction disc manufacturing method which has the advantages of high material utilization rate, less steps and low cost. The method comprises the following steps: extruding the extensible metal into a thin-wall seamless tubular body; cutting the tubular body into annular pieces according to a predetermined length; the ring is pressed into a flat ring and a claw is formed around the outer or inner periphery of the ring. Alternatively, the ring-shaped member may be formed by bending an end portion of the tubular body by a predetermined length to extend radially outward or contract radially inward to form a ring-shaped portion and cutting the ring-shaped member from the tubular body.
Description
The present invention relates to the manufacture method of the friction disk of multi-disc clutch.
In vehicle such as motorcycle, in the multi-disc clutch of extensive use, place part and cylindrical clutch internals outside the cylindrical clutch in radially relative mode along same axis.The outer circumferential face of part inner peripheral surface and the clutch internals installation outside clutch respectively of many annular friction dishes integrally is rotated with outer part of clutch or clutch internals, and axially can sliding.Friction disk and the friction disk around the clutch inboard around the clutch outside are staggeredly placed in the axial direction.These friction disks are in contact with one another by the proper device pressurized, thereby by in the frictional force that produces between friction disk transferring power between part and the clutch internals outside clutch, because the pine oil of above-mentioned pressure contact promptly disconnects transmission of power.
Once adopted that the whole bag of tricks is a large amount of produces above-mentioned friction disk, for example, casting (annotating), steel or aluminium sheet punching press, resin material molded etc. as aluminum dipping form.
Fig. 8 represents to use an example of ordinary casting method.At first with ingot 01 fusing and pour in the mould.After the curing, the foundry goods 03 that will have many friction disk materials 02 takes out from mould.Separate friction disk material 02 from foundry goods 03.Remove the many burrs 04 on each friction disk material 02, and two surfaces of fine finishing friction disk material 02.So just made a friction disk 05.
Above-mentioned casting process cost height is difficult to realize automation, and stock utilization is low.
Pressing is to extrude the annular friction dish from the sheet material upper punch.Therefore, on the sheet material of punching out ring part, can stay the large size clout, so stock utilization is lower.
In order to improve stock utilization, the Japan Patent open file has proposed a kind of technological scheme 3-244831 number, wherein, banded sheet material is curved annular, in the both ends of the surface of vertically docking sheet material; Thereby perhaps make the annular friction dish upwards docking two semi-circular end faces week.
In said method, the end face of butt joint must engage, and difficult very reliable and make a flat anastomosis part at low cost.
Consider above-mentioned situation, the purpose of this invention is to provide a kind of manufacture method of metal friction dish, this method stock utilization height is produced very saving of labor on automatic production line, and cost of production is low.
To achieve these goals, according to a first aspect of the present invention, a kind of manufacture method of multi-disc clutch friction disk has following steps; The ductile metal material is squeezed into thin-wall seamless tubulose body; With tubular body in accordance with regulations length be cut into ring-shaped article; Ring-shaped article is pressed into flat ring part; And make the claw type part around the outer periphery or the inner circumference edge of ring part.
According to a second aspect of the present invention, a kind of manufacture method of multi-disc clutch friction disk has following steps: the ductile metal material is squeezed into thin-wall seamless tubulose body; An end sections of bent tube form body on the length of regulation extends radially outwardly it or radially inside the contraction so that form a flat annular portion, downcuts this annular portion from tubular body; And make the claw type part around the outer periphery or the inner circumference edge of annular portion.
In addition, according to a third aspect of the present invention, a kind of manufacture method of multi-disc clutch friction disk has following steps: ductile metal is squeezed into thin-wall seamless tubulose body; Make the claw type part in the end of tubular body; The above-mentioned end of crooked way shape body makes its radially outward or extends internally or shrink so that form a flat annular portion on the length of regulation; And from the above-mentioned annular portion of tubular body cutting-out.
In above-mentioned all methods, the manufacture method of friction disk is, the thin seamless tubular shaped body that is squeezed into the length cutting of regulation, and ring-shaped article is pressed into flat ring part; Or with above-mentioned tubulose end of body curved expansion or be shrunk to flat annular portion, and downcut above-mentioned annular portion from tubular body.Therefore, above-mentioned all methods are waste material hardly, and stock utilization is high.
In addition, in the process of dish that creates friction, need not engagement step, thereby simplify manufacture process, reduced operation, reduced cost, and owing to do not had anastomosis part, the friction disk reliability height of making.
Making the claw type that engages with part or clutch internals outside the clutch on the outer periphery of ring part or inner circumference edge partly is to adopt pressure processing, thereby very easy.
Therefore, can on automatic production line, produce friction disk, saving of labor and further reduced cost of production according to the present invention.
Contrast the following drawings is described the present invention in detail now.
Fig. 1 is the axial sectional view of one of multi-disc clutch example;
Fig. 2 is the planimetric map according to one of the friction disk of the present invention's production example;
Fig. 3 is along II among Fig. 1-II sectional view;
Fig. 4 (a) sequentially represents manufacture method according to a first aspect of the present invention to reflect the variation of material shape to each view of Fig. 4 (g);
Fig. 5 (a) sequentially represents according to a embodiment that will the invention second aspect to each view of Fig. 5 (c);
Fig. 6 (a) sequentially represents another embodiment according to second aspect present invention to each view of Fig. 6 (f);
Fig. 7 (1) is to the embodiment of Fig. 7 (2) expression according to third aspect present invention;
Fig. 8 sequentially represent to create friction in prior art production process of dish.
Fig. 1 is the axial sectional view of one of the multi-disc clutch of motorcycle use example.Outer part 11 of clutch and clutch internals 12 all are the band cylindrical shape at the end, radially place along an axis relatively.The inner peripheral surface of many annular friction dishes 1 and 1 ' respectively part 11 outside clutch and the outer circumferential face of clutch internals 12 are installed.
A driven gear 13 that is contained on the bottom of the outer part 11 of clutch is meshed with a driving gear on the engine crankshaft (drawing), thus make clutch outward part 11 be subjected to crank-driven.Simultaneously, clutch internals 12 are rigidly connected to the main shaft (not drawing) of a speed change gear at its hub portion 14, rotatory force outside bent axle is delivered to clutch on the part 11 by friction disk 1 and 1 ' between the frictional force that produces be sent to clutch internals 12, thereby be passed to above-mentioned main shaft.
Outside being installed on clutch on the friction disk 1 of part 11 1 sides.Many pawls 2 are projection on the outer periphery of circumferential body 1a, and (see figure 2) is spacedly distributed on circumferentially.Friction disk 1 is installed on the outer part 11 of clutch and integrally rotates with it because pawl 2 is bonded in the axial groove 15 on outer part 1 inner peripheral surface of clutch, so friction disk 1 can slide in the axial direction.Pawl 2 makes thicker, as shown in Figure 3, be suitable for that rotatory force reached the outer part of clutch and outside clutch part accept rotatory force.
On the friction disk that is installed on clutch internals 12 1 sides, pawl 2 ' on circumferential body part inner circumference edge, form, identical with above-mentioned pawl 2 shapes, and be suitable for being bonded on the axial groove 15 that forms on the outer circumferential face of clutch internals 12 ' in.
Be contained in the friction disk 1 and 1 ' alternately placement in the axial direction of outer part one side of clutch and clutch internals one side respectively, their main body is faced mutually, and is maintained between the pressing plate 17 of flange portion 16 and clutch internals 12.Pressing plate be from outer cover on the hub portion 14 of clutch internals 12, in the axial direction can free displacement, spring 18 makes its trend flange 16 1 sides.Therefore, the pressure of pressing plate 17 touches friction disk 1 and 1 ' mutual pressure.Therefore because friction disk 1 and 1 ' frictional force, power can be outside clutch transmits between part and the clutch internals.
The undercarriage 19 that links to each other with pressing plate 17 is return the power of pressing plate resistance spring 18, the friction disk 1 and 1 that causes because of pressure ' pressure touch and unclamp, transmission of power is cut off.
Consult accompanying drawing 4(a below) to 4(g) manufacture method according to the above-mentioned friction disk of first aspect present invention described.Fig. 4 (a) is to 4(g) be the description schematic representation that material shape changes when each step in proper order.
Shown in Fig. 4 (d), length cutting tubular body 5 is cut into ring-shaped article 6 in accordance with regulations then.A ring-shaped article 6 is pressed into friction disk 1, that is to say, axially suppress ring-shaped article 6 with suitable press, face enlarged-diameter at one end, thus form Frusto-conical central ring body 7, shown in Fig. 4 (e).On vertical, further central ring body 7 is flattened the flat ring part 8 shown in formation Fig. 4 (f).Therefore, the outer periphery 8a of flat ring part 8 is that the upper limb 6a by ring-shaped article 6 forms, and forms and the inner circumference edge 8b of flat ring part 8 is lower edge 6b by ring-shaped article 6.Aluminium has enough ductility, can bear above-mentioned plastic working and problem does not take place.
In addition, when middle annular solid 7 is driven plain when being pressed into ring part, form thick wall part 9 around the periphery of ring part 8.With press the main body of thick wall part is washed into thick pawl illustrated in figures 1 and 2 then, so just makes the friction disk 1 shown in Fig. 4 (g).
Except downcutting ring-shaped article 6, all be plastic working from Fig. 4 (b) to the manufacture process shown in Fig. 4 (g) from tubular body 5.In addition, the quantity of material of being wasted when making pawl in the stage in the end is minimum, thereby has significantly improved stock utilization.
Since do not need steps such as joint, the operation decreased number, and cost descends, and can make the high friction disk of reliability.
In addition, above-mentioned manufacturing step can carry out on the high production line of automaticity continuously, has improved productivity.
In the above-described embodiments, the periphery around ring part 8 forms thick wall part 9 earlier, and suitably punching out thick wall part 9 forms pawl 2 again.Yet, also can adopt another kind of method, the periphery around the identical ring part 8 of general thickness forms pawl earlier, then pawl is pressed thick from the outer periphery direction.
Described above have the friction disk 1 of pawl according to what first aspect present invention was made around outer periphery.Yet, the present invention also be suitable for inner circumference edge and have the friction disk 1 of pawl ' manufacture method.
Fig. 5 (a) to Fig. 5 (e) corresponding to Fig. 4 (a) to Fig. 4 (g), expression is according to dish 1 the method that creates friction of second aspect present invention.In this method, will insert in the hole 22 of a molding 21 with the tubular body 5 that the said method same way as is made, make end 5a stretch out the length (seeing Fig. 5 (a)) of a regulation from forming die 21 end faces.On the end face of forming die 21, form a ring surface 23 corresponding to a surface of friction disk 1 in the mode of surrounding hole 22.
Then, when around the axis unitary rotation forming die 21 of tubular body 5 and tubular body 5, shown in Fig. 5 (b), the end 5a that stretches out of tubular body 5 is bent and the radially outward expansion, by the forming rolls 25 that is installed in rotation on the free sloping shaft 24, make its forming face 23 that reclines.Forming rolls 25 is pressed on the outer surface of end 5a of expansion, radially moves back and forth shown in arrow (a).Like this, this end promptly forms an annular portion 5b.At this moment, by the shape of profiled surface 23 and the motion of forming rolls 25, form thick wall part 9 simultaneously around the peripheral part of annular portion 5b.
The above-mentioned annular portion 5b that forms in tubular body 5 ends is downcut from the curved part office near tubular body 5 by the cutter 27 shown in the roller cutter 26 shown in Fig. 5 (c) or Fig. 5 (c) bottom, sees Fig. 5 (d) thereby form to ring part 8(similar shown in Fig. 4 (f)).Main body with the thick wall part 9 of press punching press ring part 8 forms thick pawl then, thereby makes the friction disk 1 shown in Fig. 5 (e).
Fig. 6 (a) is to 6(f) expression according to second aspect present invention produce the friction disk 1 of clutch internals one side ' step.To the manufacturing of the tubular body 5 shown in Fig. 5 (e), its external diameter approaches the internal diameter of made friction disk 1 at Fig. 5 (a).Yet, Fig. 6 (a) to tubular body 5 shown in Fig. 6 (g) ' manufacturing in, its external diameter approach made friction disk 1 ' external diameter.Tubular body 5 ' be enclosed within from the outside on the outer surface of cylindrical forming die 28, its end 5 ' a stretch out the length (seeing Fig. 6 (a)) of regulation from the end face of forming die 28.
In identical mode shown in Fig. 5 a to Fig. 5 (e), with forming rolls 25 crooked ends 5 ' a.Yet to situation shown in Fig. 6 (f), end 5 ' a radially inwardly shrinks and forms an annular portion 5 ' b(and see Fig. 6 (b) at Fig. 6 (a)).In addition, to situation shown in Fig. 6 (f),, on two surfaces of annular portion 5 ' b, make a large amount of shrinkage pools with fuel feeding (seeing Fig. 6 c) at Fig. 6 (a) with the star profile cutting tool before tubular body 5 ' cutting-out.
Other step is identical to Fig. 5 (e) with Fig. 5 (a).In Fig. 6 (d) and Fig. 6 (e), from the ring part 8 of tubular body 5 ' cutting-out ' inner circumference edge compacting pawl 2 ' with form the friction disk 1 shown in Fig. 6 (f) '.
At Fig. 5 (a) to 5(e) and Fig. 6 (a) to 6(f) shown in a second aspect of the present invention in, suppress in pawl 2 and 2 ' stage in the end.Yet in a third aspect of the present invention, pawl at first is shaped.Fig. 7 (1) and 7(2) expression according to third aspect present invention one embodiment's pawl forming step.
At first carry out step shown in Fig. 5 (a) or Fig. 6 (a), shown in Fig. 7 (1) with suitable heating equipment heating tubular body 5(5 ') the end, then as Fig. 7 (2) shown in, with in a supporting member 32a or the 32b insertion end or be enclosed within outside the end.With a pawl forming tool 33 that rotates from axially near holding the end that supporting member 32a or 32b stretch out slightly, carry out plastic working like this and form pawl 2(2 ').In addition, the manufacturing situation of the friction disk 1 of outer part one side of clutch is represented on the top of Fig. 7 (2), and the bottom of Fig. 7 (2) represent the friction disk 1 of clutch internals one side ' manufacture method.
Therefore, at first form pawl 2(2 ' at end face) tubular body 5(5 ') according to Fig. 5 (a) to Fig. 5 (d) and figure (6a) to 6(e) process, omit last shaping pawl 2(2 ') step.
Use contrast Fig. 5 (a) to 5(e), those advantages that Fig. 6 (a) to (f) and Fig. 7 (1) and a second aspect of the present invention of 7(2) describing and the third aspect also can obtain first aspect present invention, that is to say, make the friction disk of multi-disc clutch according to the present invention, the stock utilization height, step is simple, the friction disk reliable performance of making, cost of production is low, and the productivity height.
Claims (3)
1, a kind of manufacture method of multi-disc clutch friction disk may further comprise the steps:
The ductile metal material is squeezed into thin-wall seamless tubulose body;
Length is cut into ring bodies with described tubular body in accordance with regulations;
Described ring-shaped article is pressed into flat ring part; And
Outer periphery or inner circumference edge around described flat ring part are made the claw type part.
2, a kind of manufacture method of multi-disc clutch friction disk may further comprise the steps:
The ductile metal material is squeezed into thin-wall seamless tubulose body;
End sections at the described tubular body of stipulating of curved in length extends radially outwardly it or radially inside the contraction to form a flat annular portion;
Downcut described flat annular portion from described tubular body; And
Outer periphery or inner circumference edge around described flat annular portion are made the claw type part.
3, a kind of manufacture method of multi-disc clutch friction disk may further comprise the steps:
The ductile metal material is squeezed into thin-wall seamless tubulose body; Make the claw type part in the end of described tubular body;
In the end of the described body of curved in length of regulation, it is extended radially outwardly or radially inwardly be shrunk to a flat annular portion; And
Downcut described flat annular portion from described tubular body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4144954A JP3071559B2 (en) | 1992-05-12 | 1992-05-12 | Method of manufacturing friction plate in multi-plate friction clutch |
| JP144954/92 | 1992-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1078775A CN1078775A (en) | 1993-11-24 |
| CN1027305C true CN1027305C (en) | 1995-01-04 |
Family
ID=15374060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93103228 Expired - Fee Related CN1027305C (en) | 1992-05-12 | 1993-04-07 | Method for producing friction disk of multi-disk friction clutch |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3071559B2 (en) |
| CN (1) | CN1027305C (en) |
| TW (1) | TW212777B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001032854A (en) * | 1999-07-19 | 2001-02-06 | Exedy Corp | Multiple disc clutch and manufacturing method of core plate of multiple disc clutch |
| KR100435756B1 (en) * | 2001-12-18 | 2004-06-10 | 현대자동차주식회사 | disc manufacturing method for multi plate clutch |
| US7226696B2 (en) | 2002-02-27 | 2007-06-05 | Rayovac Corporation | Alkaline cell with performance enhancing additives |
| CN101626851A (en) * | 2007-03-12 | 2010-01-13 | 株式会社金光 | The manufacture method of annular component |
| WO2008111122A1 (en) * | 2007-03-12 | 2008-09-18 | Kanemitsu Corporation | Process for manufacturing ring-shaped member |
| JP5097769B2 (en) * | 2007-03-12 | 2012-12-12 | 株式会社カネミツ | Method for manufacturing ring-shaped member |
| WO2008111123A1 (en) * | 2007-03-12 | 2008-09-18 | Kanemitsu Corporation | Process for manufacturing ring-shaped member |
| JP5669788B2 (en) * | 2012-07-12 | 2015-02-18 | ジヤトコ株式会社 | Manufacturing method of clutch plate |
| JP2015085384A (en) * | 2013-10-31 | 2015-05-07 | 太陽工業株式会社 | Hollow disk-like metal component production method |
| JP7429484B2 (en) * | 2019-06-06 | 2024-02-08 | 株式会社エフ・シー・シー | clutch device |
-
1992
- 1992-05-12 JP JP4144954A patent/JP3071559B2/en not_active Expired - Fee Related
-
1993
- 1993-01-28 TW TW82100479A patent/TW212777B/en active
- 1993-04-07 CN CN 93103228 patent/CN1027305C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW212777B (en) | 1993-09-11 |
| JP3071559B2 (en) | 2000-07-31 |
| CN1078775A (en) | 1993-11-24 |
| JPH05318010A (en) | 1993-12-03 |
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