CN106216490A - A kind of diaphragm spring Sheet Metal Forming Technology - Google Patents
A kind of diaphragm spring Sheet Metal Forming Technology Download PDFInfo
- Publication number
- CN106216490A CN106216490A CN201610671534.6A CN201610671534A CN106216490A CN 106216490 A CN106216490 A CN 106216490A CN 201610671534 A CN201610671534 A CN 201610671534A CN 106216490 A CN106216490 A CN 106216490A
- Authority
- CN
- China
- Prior art keywords
- window
- diaphragm spring
- punching
- base material
- fillet
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The present invention relates to a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps: base, diaphragm spring raw material plate is provided, and segmentation obtains diaphragm spring base material;Rush window, utilize punch press that the diaphragm spring base material obtained by base is the most disposably punched even number window;Rush window channel, utilize the window channel punch press diaphragm spring base material after window that liquidates to carry out the punching of window channel, rush even number window channel every time;Extruding window fillet, window channel will be rushed after diaphragm spring base material be placed on window fillet mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the fillet of window;Heat treatment, to extruding window fillet after diaphragm spring base material carry out heat treatment.The invention has the beneficial effects as follows: it is good that the window's position degree ensures, extruding window fillet is uniform, facilitates the assembling of later stage clutch, improves the service life of diaphragm spring.
Description
Technical field
The present invention relates to diaphragm spring processing technique field, particularly relate to a kind of diaphragm spring Sheet Metal Forming Technology.
Background technology
Diaphragm spring is a strength member in the middle of clutch cover and plate assembly, and it is during clutch uses, Ji Yaoqi
Abundant to compressing (directly related with the load parameter of diaphragm spring) torsion pass, separate thoroughly, the most also to ensure to separate finger tip resistance to
Mill, during whole use, diaphragm spring can not rupture, it is often more important that ensure in clutch assembling process smooth and easy.
The main technique that diaphragm spring makes: punching press, heat treatment (quench, be tempered, finger tip high-frequency quenching), shot-peening, suppress
(include hot prestressing and cold suppress), Road test, all too many levels such as oil surface is antirust, pack, transport, and the conjunction of Sheet Metal Forming Technology
Reason arranges the good for delivery of part to be played vital effect.
At present, existing Sheet Metal Forming Technology process is that the drift using window trough of belt to be integrated carries out punching press, due to capacity of equipment
Restriction, the punching of window trough of belt operation needs to complete for two to three times.Multiple rotary positions, and can cause circumferentially positioned dividing equally not
Good, window fillet R-band can be squeezed to subsequent window and come uneven, affect service life.
Summary of the invention
The technical problem to be solved is to provide one and is able to ensure that subsequent window squeezes window fillet R uniformly, enters
And improve the diaphragm spring Sheet Metal Forming Technology in the service life of diaphragm spring.
The technical scheme is that a kind of diaphragm spring Sheet Metal Forming Technology, including walking as follows
Rapid:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain
Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window
The drift of perforating die the most disposably punches even number window to described diaphragm spring base material;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit
With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, rushes even number window every time
Mouthful groove, and by corresponding number of times, all windows are completed the punching of window channel according to the quantity of window;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet
On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window
Angle.
The invention has the beneficial effects as follows: by first punching of window being completed, recycling repeatedly carries out rushing of window channel
System, not only make that the window's position degree ensures is fine, but also the most highly beneficial, together to subsequent extrusion window fillet operation
Time be also convenient for the assembling of later stage clutch, install smooth and easy, effectively raise the service life of diaphragm spring.
On the basis of technique scheme, the present invention can also do following improvement.
Further, in step 2, the number of windows of punching is 24.
Further, step 3 is rushed when carrying out the punching of window channel 12 window channel every time, completes 24 windows in two times
The window channel punching of mouth.
Further, step 3 is rushed when carrying out the punching of window channel 8 window channel every time, completes 24 windows in three times
Window channel punching.
Further, step 3 is rushed when carrying out the punching of window channel 6 window channel every time, completes 24 windows in four times
Window channel punching.
Further, step 3 is rushed when carrying out the punching of window channel 4 window channel every time, completes 24 windows in six times
Window channel punching.
Further, step 3 is rushed when carrying out the punching of window channel 2 window channel every time, divide and complete 24 windows for 12 times
The window channel punching of mouth.
Use and above-mentioned further provide the benefit that: be easy to later stage extruding window fillet.
Further, in step 4 when carrying out extruding window fillet, the fillet scope of the window extruded is R2 ± 0.75.
Further, the fillet scope of the window extruded is R2 ± 0.5.
Further, the fillet scope of the window extruded is R2 ± 0.25.
Use and above-mentioned further provide the benefit that: be easy to the assembling of later stage clutch, it is ensured that installation smooth and easy.
Accompanying drawing explanation
Fig. 1 is that diaphragm spring of the present invention is carrying out the structural representation before extruding window fillet;
Fig. 2 is diaphragm spring of the present invention extrudes the structural representation after window fillet carrying out;
Fig. 3 is that diaphragm spring of the present invention is at the orientation diagram carrying out extruding window fillet;
What Fig. 4 was the quantity every time rushing window channel on diaphragm spring service life affects graph of a relation.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
Embodiment one: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain
Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window
Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit
With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 2 window channel,
By the punching of the window channel that 12 times complete 24 windows;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet
On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window
Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Embodiment two: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain
Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window
Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit
With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 12 windows
Groove, completes the punching of window channel to 24 windows by secondary;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet
On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window
Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Embodiment three: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain
Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window
Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit
With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 4 window channel,
By the punching of the window channel that six times complete 24 windows;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet
On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window
Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Embodiment four: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain
Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window
Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit
With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 6 window channel,
By the punching of the window channel that four times complete 24 windows;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet
On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window
Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Embodiment five: as shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of diaphragm spring Sheet Metal Forming Technology, comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain
Diaphragm spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window
Described diaphragm spring base material is the most disposably rushed 24 windows by the drift of perforating die;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and profit
With the drift of window channel perforating die, the window on described diaphragm spring base material is carried out the punching of window channel, each 8 window channel,
By the punching of the window channel that three times complete 24 windows;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet
On mould, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the circle of window
Angle, wherein, the fillet scope of the window extruded is R2 ± 0.25.
Machining mode is specially shearing machine processing, punch press processing, digital control processing or sawing machine processing.
Before diaphragm spring base material is carried out window punching, first diaphragm spring base material being carried out surface preparation, removing adds
The burr on its surface and impurity after work cutting, wherein remove surface spikes and impurity is specially and carries out diaphragm spring base material surface
Polishing or polishing.
The quantity of punching window channel is to there is certain impact, through the most repeatedly to the service life of diaphragm spring every time
Experiment draws, as shown in Figure 4, wherein, Y-axis represents the relation in the quantity of each punching window channel and the service life of diaphragm spring
Service life, X-axis represent the quantity of each punching window channel, and the horizontal horizontal line in figure represents making of diaphragm spring in prior art
With the life-span, as can be seen from the figure when the quantity of each punching window channel is about 8, the service life of diaphragm spring is
Long.When not representing 24 window channel of a punching in Fig. 4, in the service life of diaphragm spring, its main cause is affected by ability
The restriction of device within the domain ability, at present cannot disposable 24 window channel of punching.During the punching that this is external carries out window channel, use
Two alignment pins position, and prevent and circumferentially rotate, in FIG the distribution form of two alignment pins have been carried out table
State.
Diaphragm spring Sheet Metal Forming Technology of the present invention, by completing the punching of 24 windows so that the window's position
It is fine that degree ensures, the most highly beneficial to subsequent extrusion window fillet operation, simultaneously because clutch is during assembling,
Window needs supporting rivet to be passed through, and so to installing smooth and easy playing a good role, improves the use longevity of diaphragm spring
Life.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be that machinery connects
Connect, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. a diaphragm spring Sheet Metal Forming Technology, it is characterised in that comprise the steps:
Step one, base, offer diaphragm spring raw material plate, split by machining mode or cut mode and obtain diaphragm
Spring base material;
Step 2, rush window, made for the step one diaphragm spring base material obtained is placed on window punch press, and utilize window punching
The drift of mould the most disposably punches even number window to described diaphragm spring base material;
Step 3, rush window channel, the diaphragm spring base material of window made in step 2 is placed on window channel punch press, and utilize window
The drift of mouth groove perforating die carries out the punching of window channel to the window on described diaphragm spring base material, rushes even number window every time
Groove, and by corresponding number of times, all windows are completed the punching of window channel according to the quantity of window;
Step 4, extruding window fillet, the diaphragm spring base material of window channel made in step 3 is placed into window fillet mould
On, and utilize window fillet mould that all windows of described diaphragm spring base material are extruded simultaneously, complete the fillet of window.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 1, it is characterised in that the window of punching in described step 2
Mouth quantity is 24.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3
Rush 12 window channel, the window channel punching of 24 windows that make two bites at a cherry during the punching of mouthful groove every time.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3
Rush 8 window channel during the punching of mouthful groove every time, complete the window channel punching of 24 windows in three times.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3
Rush 6 window channel during the punching of mouthful groove every time, complete the window channel punching of 24 windows in four times.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3
Rush 4 window channel during the punching of mouthful groove every time, complete the window channel punching of 24 windows in six times.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 2, it is characterised in that carrying out window in described step 3
Rush 2 window channel during the punching of mouthful groove every time, point complete the window channel punching of 24 windows for 12 times.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 1, it is characterised in that squeezing in described step 4
During pressure window fillet, the fillet scope of the window extruded is R2 ± 0.75.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 8, it is characterised in that the fillet model of the window extruded
Enclose for R2 ± 0.5.
A kind of diaphragm spring Sheet Metal Forming Technology the most according to claim 9, it is characterised in that the fillet of the window extruded
Scope is R2 ± 0.25.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610671534.6A CN106216490A (en) | 2016-08-16 | 2016-08-16 | A kind of diaphragm spring Sheet Metal Forming Technology |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610671534.6A CN106216490A (en) | 2016-08-16 | 2016-08-16 | A kind of diaphragm spring Sheet Metal Forming Technology |
Publications (1)
Publication Number | Publication Date |
---|---|
CN106216490A true CN106216490A (en) | 2016-12-14 |
Family
ID=57547536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610671534.6A Pending CN106216490A (en) | 2016-08-16 | 2016-08-16 | A kind of diaphragm spring Sheet Metal Forming Technology |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106216490A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107413986A (en) * | 2017-07-31 | 2017-12-01 | 桂林福达重工锻造有限公司 | A kind of automotive driven slice processing method |
CN108176763A (en) * | 2017-12-22 | 2018-06-19 | 湖北大帆汽车零部件有限公司 | A kind of technique for persistently reducing diaphragm spring load attenuation rate |
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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4020937A (en) * | 1975-12-10 | 1977-05-03 | Borg-Warner Corporation | Fabricated clutch pressure plate |
JPH01164828A (en) * | 1987-12-17 | 1989-06-28 | Daikin Mfg Co Ltd | Manufacture of diaphragm spring |
CN201511079U (en) * | 2009-09-21 | 2010-06-23 | 湖北大帆汽车零部件有限公司 | Stamping die for processing clutch diaphragm spring |
CN101966541A (en) * | 2010-08-17 | 2011-02-09 | 浙江龙华汽配制造有限公司 | Reinforcing structure of punching die for diaphragm spring |
CN102284606A (en) * | 2011-08-05 | 2011-12-21 | 桂林福达股份有限公司 | Optimized stamping process for diaphragm spring with DST (direct solution treatment) structure |
CN103527659A (en) * | 2013-10-24 | 2014-01-22 | 中国重汽集团济南动力有限公司 | Diaphragm spring for clutch |
-
2016
- 2016-08-16 CN CN201610671534.6A patent/CN106216490A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4020937A (en) * | 1975-12-10 | 1977-05-03 | Borg-Warner Corporation | Fabricated clutch pressure plate |
JPH01164828A (en) * | 1987-12-17 | 1989-06-28 | Daikin Mfg Co Ltd | Manufacture of diaphragm spring |
CN201511079U (en) * | 2009-09-21 | 2010-06-23 | 湖北大帆汽车零部件有限公司 | Stamping die for processing clutch diaphragm spring |
CN101966541A (en) * | 2010-08-17 | 2011-02-09 | 浙江龙华汽配制造有限公司 | Reinforcing structure of punching die for diaphragm spring |
CN102284606A (en) * | 2011-08-05 | 2011-12-21 | 桂林福达股份有限公司 | Optimized stamping process for diaphragm spring with DST (direct solution treatment) structure |
CN103527659A (en) * | 2013-10-24 | 2014-01-22 | 中国重汽集团济南动力有限公司 | Diaphragm spring for clutch |
Non-Patent Citations (1)
Title |
---|
董小华: ""关于膜片弹簧冷加工工艺技术的研究"", 《科技风》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107413986A (en) * | 2017-07-31 | 2017-12-01 | 桂林福达重工锻造有限公司 | A kind of automotive driven slice processing method |
CN108176763A (en) * | 2017-12-22 | 2018-06-19 | 湖北大帆汽车零部件有限公司 | A kind of technique for persistently reducing diaphragm spring load attenuation rate |
CN108176763B (en) * | 2017-12-22 | 2022-09-06 | 湖北大帆汽车零部件有限公司 | Process for continuously reducing load attenuation rate of diaphragm spring |
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 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106271405A (en) | A kind of diaphragm spring processing technique | |
CN106216490A (en) | A kind of diaphragm spring Sheet Metal Forming Technology | |
EP2583767B1 (en) | Method for producing saw blades by stamping | |
CN1694316A (en) | Manufacturing method of commutator and its product | |
CN104249108A (en) | Thick material punching burr preventing equipment | |
CH696194A5 (en) | A process for producing cards of plastics material, identity card or credit card produced by the method and card punching machine for performing the method | |
CN202316872U (en) | Automatic nail bending machine | |
CN104338848B (en) | Cracking-free stamping die for hole flanging of stainless steel thick plate | |
CN205732504U (en) | A kind of automobile has the Press Tools for Automobiles of Wave cutter | |
CN103522064B (en) | Plate bead cutter and Sheet Metal Processing method | |
CN202591353U (en) | Hot forging trimming and punching die | |
CN106031969A (en) | Processing technology for eccentric body of three-in-one connecting piece | |
CN107931419A (en) | One kind of multiple gauge material continuous stamping process | |
CN208461168U (en) | A kind of material-strap structure for commutator processing | |
CN207026240U (en) | The replaceable blanking die of alignment pin | |
DE102010061991A1 (en) | Method for stamping fiber mat made of e.g. knitted fabric during manufacturing fiber reinforced plastic part, involves pressing stamping edge obtuse against planar steel plate after separation of fiber mat | |
CN108772466A (en) | A kind of transformer core axis pin cover board punching die | |
EP2436456A3 (en) | Spacer washer for a transmission and method for its production | |
CN105880369A (en) | Full-automatic production system of metal filter screen | |
CN207127101U (en) | One kind hook diel | |
CN206216828U (en) | A kind of New blanking mould | |
CN206632209U (en) | A kind of diel that can complete multiple processes simultaneously | |
CN203853490U (en) | Automatic needle feeding mechanism | |
CN108296398A (en) | A kind of device for manufacturing multi-anchor fixed point steel wire fibre | |
CN217044216U (en) | High-speed fin mould punching press trimming mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
|
RJ01 | Rejection of invention patent application after publication |