CN106931050A - A kind of clutch driven plate, damping disk(-isc) and window manufacture method - Google Patents
A kind of clutch driven plate, damping disk(-isc) and window manufacture method Download PDFInfo
- Publication number
- CN106931050A CN106931050A CN201710115462.1A CN201710115462A CN106931050A CN 106931050 A CN106931050 A CN 106931050A CN 201710115462 A CN201710115462 A CN 201710115462A CN 106931050 A CN106931050 A CN 106931050A
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- Prior art keywords
- window
- flange
- isc
- damping disk
- damping
- Prior art date
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- Pending
Links
- 238000013016 damping Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title abstract description 8
- 238000004519 manufacturing process Methods 0.000 title abstract description 5
- 238000000641 cold extrusion Methods 0.000 claims abstract description 9
- 238000005516 engineering process Methods 0.000 claims abstract description 9
- 238000013461 design Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 5
- 238000003672 processing method Methods 0.000 claims description 4
- PCTMTFRHKVHKIS-BMFZQQSSSA-N (1s,3r,4e,6e,8e,10e,12e,14e,16e,18s,19r,20r,21s,25r,27r,30r,31r,33s,35r,37s,38r)-3-[(2r,3s,4s,5s,6r)-4-amino-3,5-dihydroxy-6-methyloxan-2-yl]oxy-19,25,27,30,31,33,35,37-octahydroxy-18,20,21-trimethyl-23-oxo-22,39-dioxabicyclo[33.3.1]nonatriaconta-4,6,8,10 Chemical compound C1C=C2C[C@@H](OS(O)(=O)=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H]([C@H](C)CCCC(C)C)[C@@]1(C)CC2.O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C=C/C=C/C=C/[C@H](C)[C@@H](O)[C@@H](C)[C@H](C)OC(=O)C[C@H](O)C[C@H](O)CC[C@@H](O)[C@H](O)C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 PCTMTFRHKVHKIS-BMFZQQSSSA-N 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 201000004356 excessive tearing Diseases 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/60—Clutching elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/1203—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon characterised by manufacturing, e.g. assembling or testing procedures for the damper units
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
-
- 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
- F16D2250/0023—Shaping by pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
The invention discloses a kind of clutch driven plate, damping disk(-isc) and window manufacture method, a kind of clutch driven plate, damping disk(-isc), the window for setting damping spring is offered on clutch plate, damping disk(-isc), the edge of the window strikes out flange, flange is inclined towards window inner side, the flange of window adjacent edge is connected together, and adjacent flange is connected by arc.Linked together by arc by by adjacent flange, increased the intensity of flange, then avoided and occur the risk of tear at four angles of window.Need not at the four of window blank angles machining small, direct cold extrusion forms flange, reduces routine flange Sheet Metal Forming Technology hole, optimizes product sequence, reduces the Meteorological of mould.Flange is inclined towards window inner side, is easy to card to set damping spring, so to damping spring parcel more completely, more resistant, is conducive to transmitting the moment of torsion of big data.
Description
Technical field
The invention belongs to Clutch Technology field, and in particular to a kind of clutch driven plate, damping disk(-isc) and window processing side
Method.
Background technology
Due to clutch in use, clutch drived disk assy in order to provide moment of torsion and absorb automobile vibration, in clutch drived disk assy
Circumferentially symmetrical window 1, the edge of window is provided with flange, damping spring set for card.Current conventional clutch plate,
The shaping of damping disk(-isc) window is all to first pass through mould to carry out clutch plate, damping disk(-isc) local material punching press, forms window blank, then
3 are punched respectively at four angles of window blank, finally tear to form flange 4 by mould again, as shown in figure 1, in window blank
Four angles punch respectively be at four angles for causing window in order to prevent excessive tearing occur tear crackle.But it is current
This window form has the following disadvantages：1), occurs the risk of tear at four angles of window, then the capacity of transmitting torque is subject to
Great limitation, extreme case may occur fracture and fail from tear place.2), process complexity is, it is necessary in window
Four angles at process aperture.3), flange low intensity, the mutability of window.
The content of the invention
It is an object of the invention to provide a kind of clutch driven plate, damping disk(-isc) and window manufacture method, existing skill is solved
Occur the risk of tear, and process complexity, flange low intensity, the technical problem of mutability in art at four angles of window.
In order to solve the above-mentioned technical problem the present invention, adopts the following technical scheme that：
A kind of clutch driven plate, damping disk(-isc), offer the window for setting damping spring on clutch plate, damping disk(-isc),
The edge of the window strikes out flange, and flange is inclined towards window inner side, and the flange of window adjacent edge connects together, and adjacent turns over
While being connected by arc.Linked together by arc by by adjacent flange, increased the intensity of flange, then avoid window
Four angles at occur tear risk.Need not at the four of window blank angles machining small, direct cold extrusion forms and turns over
Side, reduces conventional flange Sheet Metal Forming Technology hole, optimizes product sequence, reduces the Meteorological of mould.Flange is towards window
Inner side inclines, and is easy to card to set damping spring, so to damping spring parcel more completely, more resistant, is conducive to transmitting big data
Moment of torsion.
Further improve, the flange is 30-60 degree towards the inclined angle of window inner side, is easy to card to set damping spring, is prevented
When only hub relatively rotates with clutch plate, damping disk(-isc), damping spring comes off.
Further improve, the window is quadrangle, is easy to be equipped with spring.
Further improve, the quadrangular window is designated as ABCD, AB sides are close to clutch plate, vibration damping center hole side, its
The corresponding flange in middle BC, DA side is V-shaped.V-arrangement is designed, and the middle protruding end of the corresponding flange in BC, DA side is inserted damping spring
Centre bore, be easy to more consolidate damping spring.
Further improve, the quantity of window is four, five, six, seven or eight on the clutch plate, damping disk(-isc), and multiple windows
Around the circumferential uniform centre bore of mouth, the number of windows on correspondence clutch plate, damping disk(-isc) is identical.Multiple window correspondence multiple damping bullets
Spring, multiple windows are in around circumferential uniform centre bore, it is ensured that the weight balancing of clutch, while reaching good damping effect.
The processing method of above-mentioned clutch plate, damping disk(-isc) window, comprises the following steps：
Step one, multiple windows are stamped out on clutch plate, damping disk(-isc), the quantity of window is four, five, six, seven or eight,
And around multiple circumferential uniform centre bores of window；
Step 2, extruding is carried out to the edge of each window using punch-pin form flange, fillet is used at the cutting edge of punch-pin
Design.Ensure that turning over for window adjacent edge is connected by arc, compared with prior art, be prevented from tear.
Further improve, flange made using cold-extrusion technology, using cold extrusion, reach the effect of processing hardening, it is ensured that
The intensity of flange.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, at the cutting edge of punch-pin using R angles design, wedge angle cutting edge during punching is not used, can so keep clutch plate,
Damping disk(-isc) window forms the R angles wanted of design in shaping, and both sides allow the side to have vertical flange by cold extrusion, increase
Intensity at shaping, it is so to spring parcel more completely, more resistant, be conducive to transmitting the moment of torsion of big data.
2nd, by such window design, in heat treatment step, clutch plate damping disk(-isc) is less susceptible to deform, and reduces
Heat smoothing operation, thrifty time and product cost.
3rd, by the optimization of product forming mould, reduce conventional hole flanging and rush fabrication hole, optimize product sequence, reduce mould
The Meteorological of tool.
4th, by Product Windows design optimization, do not increase miscellaneous part and reached lifting in properties of product, transmitting torque is more
It is big, reduce the failure conditions of clutch drived disk assy under extreme case.
Brief description of the drawings
Fig. 1 is the structural representation of clutch plate, damping disk(-isc) in the prior art.
Fig. 2 is the structural representation of clutch plate of the present invention, damping disk(-isc).
Fig. 3 is that Fig. 2 is E-E sectional views.
Specific embodiment
To make the purpose of the present invention and technical scheme clearer, below in conjunction with the embodiment of the present invention to skill of the invention
Art scheme is clearly and completely described.
Embodiment one：
As shown in Fig. 2 a kind of clutch driven plate, damping disk(-isc), offer on clutch plate, damping disk(-isc) for setting damping bullet
The window 1 of spring, the edge of the window 1 strikes out flange 4, and flange 4 is inclined towards window inner side, and the flange 4 of window adjacent edge connects
Together, and adjacent flange by arc connect.Linked together by arc by by adjacent flange, increased the strong of flange
Degree, then avoid and occur the risk of tear at four angles of window.Need not at the four of window blank angles machining small, directly
Connect cold extrusion and form flange, reduce conventional flange Sheet Metal Forming Technology hole, optimize product sequence, reduce the input expense of mould
With.Flange is inclined towards window inner side, is easy to card to set damping spring, so to damping spring parcel more completely, more resistant, is conducive to
Transmit the moment of torsion of big data.
In the present embodiment, the flange is 45 degree towards the inclined angle of window inner side, is easy to card to set damping spring, is prevented
When hub relatively rotates with clutch plate, damping disk(-isc), damping spring comes off.
In the present embodiment, the window is quadrangle, is easy to be equipped with spring.
In the present embodiment, the quadrangular window is designated as ABCD, and AB sides are close to clutch plate, the side of vibration damping center hole 2,
The wherein corresponding flange in BC, DA side is V-shaped, as shown in Figure 3.V-arrangement is designed, and makes the middle protruding end of the corresponding flange in BC, DA side
Insertion damping spring centre bore, is easy to more consolidate damping spring.
In the present embodiment, the quantity of the window is four, and four windows are circumferentially distributed in clutch plate, damping disk(-isc)
Around heart hole 2, the number of windows on correspondence clutch plate, damping disk(-isc) is identical.In four windows, wherein relative two is one group,
Every group of two window shapes are identical, size according to damping spring and to clutch plate, the requirement of damping disk(-isc) weight, different
Two group windows shape it is different.Multiple window correspondence multiple damping springs, multiple windows are in around circumferential uniform centre bore, to protect
The weight balancing of clutch is demonstrate,proved, while reaching good damping effect.
Embodiment two：
The processing method of above-mentioned clutch plate, damping disk(-isc) window, comprises the following steps：
Step one, multiple windows are stamped out on clutch plate, damping disk(-isc), the quantity of window is four, and four window weeks
Around uniform centre bore；
Step 2, extruding is carried out to the edge of each window using punch-pin form flange, fillet is used at the cutting edge of punch-pin
Design.Ensure that turning over for window adjacent edge is connected by arc, compared with prior art, be prevented from tear.
In the present embodiment, flange is made using cold-extrusion technology, using cold extrusion, reaches the effect of processing hardening, protected
Demonstrate,prove the intensity of flange.
Do not done in the present invention illustrate be prior art or be capable of achieving by prior art, and the present invention
Described in specific implementation case be only preferable case study on implementation of the invention, not for limiting practical range of the invention.
The equivalence changes that i.e. all contents according to scope of the present invention patent are made and modification, all should be used as technology category of the invention.
Claims (7)
1. a kind of clutch driven plate, damping disk(-isc), it is characterised in that offered on clutch plate, damping disk(-isc) for setting damping bullet
The window of spring, the edge of the window strikes out flange, and flange is inclined towards window inner side, and the flange of window adjacent edge is connected in one
Rise, and adjacent flange is connected by arc.
2. clutch driven plate according to claim 1, damping disk(-isc), it is characterised in that the flange inclines towards window inner side
Oblique angle is 30-60 degree.
3. clutch driven plate according to claim 1 and 2, damping disk(-isc), it is characterised in that the window is quadrangle.
4. clutch driven plate according to claim 4, damping disk(-isc), it is characterised in that the quadrangular window is designated as
ABCD, AB side are near clutch plate, vibration damping center hole side, and the wherein corresponding flange in BC, DA side is V-shaped.
5. clutch driven plate according to claim 1, damping disk(-isc), it is characterised in that window on the clutch plate, damping disk(-isc)
The quantity of mouth is four, five, six, seven or eight, and around the circumferential uniform centre bore of multiple windows, on corresponding clutch plate, damping disk(-isc)
Number of windows it is identical.
6. clutch plate, the processing method of damping disk(-isc) window any one of claim 1-5, it is characterised in that including as follows
Step：
Step one, multiple windows are stamped out on clutch plate, damping disk(-isc), the quantity of window is four, five, six, seven or eight, and many
Around the circumferential uniform centre bore of individual window；
Step 2, extruding is carried out to the edge of each window using punch-pin form flange, fillet design is used at the cutting edge of punch-pin.
7. processing method according to claim 6, it is characterised in that flange is made using cold-extrusion technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115462.1A CN106931050A (en) | 2017-02-28 | 2017-02-28 | A kind of clutch driven plate, damping disk(-isc) and window manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115462.1A CN106931050A (en) | 2017-02-28 | 2017-02-28 | A kind of clutch driven plate, damping disk(-isc) and window manufacture method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106931050A true CN106931050A (en) | 2017-07-07 |
Family
ID=59424321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710115462.1A Pending CN106931050A (en) | 2017-02-28 | 2017-02-28 | A kind of clutch driven plate, damping disk(-isc) and window manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106931050A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107243576A (en) * | 2017-07-31 | 2017-10-13 | 桂林福达重工锻造有限公司 | A kind of processing method of automobile clutch damping disk(-isc) |
| CN107252855A (en) * | 2017-07-28 | 2017-10-17 | 桂林福达重工锻造有限公司 | A kind of automobile clutch support plate processing method |
| CN112588995A (en) * | 2020-11-11 | 2021-04-02 | 长春一东离合器股份有限公司 | Method for improving contact between damping spring and stamping part in clutch |
| CN112909607A (en) * | 2021-02-20 | 2021-06-04 | 中航光电科技股份有限公司 | Connector, shielding sheet, grounding contact piece and jack forming method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094395A (en) * | 1976-09-02 | 1978-06-13 | Borg-Warner Corporation | Two piece driven plate assembly |
| CN2576533Y (en) * | 2002-09-30 | 2003-10-01 | 湖北三环离合器有限公司 | Fanlight shock-damping disc, hub disc |
| CN2658471Y (en) * | 2003-09-25 | 2004-11-24 | 大丰市云马汽车零部件有限公司 | Tiger tail type spring-wrapped reinforced clutch driven disc assembly |
| CN2699047Y (en) * | 2004-05-25 | 2005-05-11 | 湖北三环离合器有限公司 | Driven disc assembly with wide torsion angle for heavy-duty vehicle |
| CN2783028Y (en) * | 2004-12-13 | 2006-05-24 | 湖北三环离合器有限公司 | Side edge turning over slave disk |
| CN101545514A (en) * | 2009-05-09 | 2009-09-30 | 桂林福达股份有限公司 | Method for stiffening the structure strength of clutch driven disk vibration reduction disk and making reasonable distribution of the strength |
| CN201368149Y (en) * | 2009-02-13 | 2009-12-23 | 中国重汽集团济南动力有限公司 | Damping spring holding plate of clutch driven plate |
| CN201588887U (en) * | 2010-01-01 | 2010-09-22 | 湖北三环离合器有限公司 | Damping tray |
| CN201786967U (en) * | 2010-09-13 | 2011-04-06 | 北汽福田汽车股份有限公司 | Torsion damping disk |
| CN102588459A (en) * | 2012-03-21 | 2012-07-18 | 江苏名豪汽车零部件有限公司 | Structure of damping disc for automobile clutch driven disc assembly |
| CN202707849U (en) * | 2012-08-03 | 2013-01-30 | 江苏名豪汽车零部件有限公司 | Damping disk for driven disk assembly of clutch |
| CN205478983U (en) * | 2016-04-18 | 2016-08-17 | 杭州金马离合器有限公司 | Take shock -absorbing structure's clutch driven plate |
| CN206668792U (en) * | 2017-02-28 | 2017-11-24 | 芜湖大捷离合器有限公司 | A kind of clutch driven disc assembly |
-
2017
- 2017-02-28 CN CN201710115462.1A patent/CN106931050A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1082622A (en) * | 1976-09-02 | 1980-07-29 | William L. Brown | Two piece driven plate assembly |
| US4094395A (en) * | 1976-09-02 | 1978-06-13 | Borg-Warner Corporation | Two piece driven plate assembly |
| CN2576533Y (en) * | 2002-09-30 | 2003-10-01 | 湖北三环离合器有限公司 | Fanlight shock-damping disc, hub disc |
| CN2658471Y (en) * | 2003-09-25 | 2004-11-24 | 大丰市云马汽车零部件有限公司 | Tiger tail type spring-wrapped reinforced clutch driven disc assembly |
| CN2699047Y (en) * | 2004-05-25 | 2005-05-11 | 湖北三环离合器有限公司 | Driven disc assembly with wide torsion angle for heavy-duty vehicle |
| CN2783028Y (en) * | 2004-12-13 | 2006-05-24 | 湖北三环离合器有限公司 | Side edge turning over slave disk |
| CN201368149Y (en) * | 2009-02-13 | 2009-12-23 | 中国重汽集团济南动力有限公司 | Damping spring holding plate of clutch driven plate |
| CN101545514A (en) * | 2009-05-09 | 2009-09-30 | 桂林福达股份有限公司 | Method for stiffening the structure strength of clutch driven disk vibration reduction disk and making reasonable distribution of the strength |
| CN201588887U (en) * | 2010-01-01 | 2010-09-22 | 湖北三环离合器有限公司 | Damping tray |
| CN201786967U (en) * | 2010-09-13 | 2011-04-06 | 北汽福田汽车股份有限公司 | Torsion damping disk |
| CN102588459A (en) * | 2012-03-21 | 2012-07-18 | 江苏名豪汽车零部件有限公司 | Structure of damping disc for automobile clutch driven disc assembly |
| CN202707849U (en) * | 2012-08-03 | 2013-01-30 | 江苏名豪汽车零部件有限公司 | Damping disk for driven disk assembly of clutch |
| CN205478983U (en) * | 2016-04-18 | 2016-08-17 | 杭州金马离合器有限公司 | Take shock -absorbing structure's clutch driven plate |
| CN206668792U (en) * | 2017-02-28 | 2017-11-24 | 芜湖大捷离合器有限公司 | A kind of clutch driven disc assembly |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252855A (en) * | 2017-07-28 | 2017-10-17 | 桂林福达重工锻造有限公司 | A kind of automobile clutch support plate processing method |
| CN107243576A (en) * | 2017-07-31 | 2017-10-13 | 桂林福达重工锻造有限公司 | A kind of processing method of automobile clutch damping disk(-isc) |
| CN112588995A (en) * | 2020-11-11 | 2021-04-02 | 长春一东离合器股份有限公司 | Method for improving contact between damping spring and stamping part in clutch |
| CN112588995B (en) * | 2020-11-11 | 2022-07-08 | 长春一东离合器股份有限公司 | Method for improving contact between damping spring and stamping part in clutch |
| CN112909607A (en) * | 2021-02-20 | 2021-06-04 | 中航光电科技股份有限公司 | Connector, shielding sheet, grounding contact piece and jack forming method |
| CN112909607B (en) * | 2021-02-20 | 2023-09-01 | 中航光电科技股份有限公司 | Connector, shielding sheet, grounding contact and jack forming method |
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