CN106938385A - The processing method and wheel spoke of a kind of wheel spoke - Google Patents
The processing method and wheel spoke of a kind of wheel spoke Download PDFInfo
- Publication number
- CN106938385A CN106938385A CN201710194757.2A CN201710194757A CN106938385A CN 106938385 A CN106938385 A CN 106938385A CN 201710194757 A CN201710194757 A CN 201710194757A CN 106938385 A CN106938385 A CN 106938385A
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- spoke
- necking
- processing method
- enlarging
- wheel spoke
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/14—Suspension elements of automobile vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
This application discloses a kind of processing method of wheel spoke, and a kind of wheel spoke.Wherein, the processing method of the wheel spoke includes：The seamless circular cylindrical blank one end for meeting predefined parameter is subjected to necking, the other end carries out enlarging；To carrying out shaping by product obtained by necking, enlarging, make the basic configuration of product formation spoke；Following process is carried out to the product after shaping, standard spoke is obtained.The method provided using the application, the problem of can effectively solving the low stock utilization in shearing blanking and centre bore process in existing processing method and poor Spoke Strength of caused by being welded into bar material edge rolling after cylinder material or cone cylinder material.
Description
Technical field
The application is related to automotive wheel manufacture field, specifically provides a kind of processing method of wheel spoke；The application is same
When a kind of wheel spoke is provided.
Background technology
Wheel spoke is one of key component of wheel, is the main support for connecting automotive hub and tire, is also to determine
Wheel critical component whether attractive in appearance, the cylindrical of it is connected with wheel rim, and centre bore and bolt hole are connected with vehicle bridge, and every spoke is held
By the fractional load of car, thus, there is higher requirement to the intensity of spoke.
In the prior art, wheel spoke manufacturing process is divided into two kinds of main processing modes according to method for fetching；It is processed
Technique difference is as shown in Figure 1 and Figure 2.
Fig. 1 shows the manufacturing procedure of spoke the most frequently used under prior art.The characteristics of manufacturing procedure is that feeding link is straight
It is connected on plate material and falls circular plate blank material, subsequent machining technology is generally by circular slab by rotary pressing processing into defined shape
Shape, is then repaired, the process such as punching, and its conventional process includes as shown in Figure 1：Blanking (circular plate blank material) --- rush technique
--- rotary press modelling --- rushes bolt hole and --- rushes centre bore --- breaking up hot hole --- Vehicle Processing in hole.
Another processing mode under prior art is as described in Figure 2.The characteristics of such a processing mode is that feeding link is
Plate material is cut into strip, after bar material is processed into cylinder material or cone cylinder material.It commonly uses manufacturing procedure：Blanking
(bar shaped blank) --- --- being rolled into cylinder (or conic tube), --- --- car adds plane groove for polishing --- shaping --- for welding
Work --- drilling.
However, there is certain lack in the feeding mode and following process mode of the processing technology that above prior art is provided
Fall into.
First, when processing spoke with circular plate blank material, more waste material can be produced in blanking and centre bore processing link, is caused
Make stock utilization relatively low.
Secondly, cylinder material or cone cylinder material are welded into bar material edge rolling to process during spoke, because there is weld seam inside it,
So easily being ftractureed in follow-up shaping link, cause Spoke Strength poor.
The content of the invention
The application provides a kind of wheel spoke processing method, to solve shearing blanking and the centre bore in existing processing method
Stock utilization in process is low and spoke of caused by being welded into bar material edge rolling after cylinder material or cone cylinder material is strong
The problem of spending poor.
This method includes：
The seamless circular cylindrical blank one end for meeting predefined parameter is subjected to necking, the other end carries out enlarging；
To carrying out shaping by product obtained by necking, enlarging, make the basic configuration of product formation spoke；
Following process is carried out to the product after shaping, standard spoke is obtained.
It is preferred that, the seamless circular cylindrical blank is from the seamless circular with predetermined diameter and predetermined thickness by predetermined length
Obtained on bobbin material.
It is preferred that, the necking, its mode is spinning necking.
It is preferred that, while the progress enlarging by the other end, also include：
The necking end of the product is flattened.
It is preferred that, the described pair of process for carrying out shaping by product obtained by necking, enlarging is realized using spinning process so that
The spoke side wall formation variable cross-section, strength structure.
It is preferred that, the product to after shaping carries out following process, obtains standard spoke, including：
Processing bolt hole；
Process heat emission hole；
Spoke centre hole, external diameter and termination are machined.
Compared with prior art, the application has advantages below：
First, in the processing method of the wheel spoke of the application, blanking is seamless circular tubular material, and this kind of method is in blanking
Circular plate blank material processing spoke is used under excess waste, with prior art with that will not be produced in follow-up centre bore processing link
Method is compared, and effectively increases stock utilization.
Secondly, seamless circular tubular material described herein is complete in structure, and its cylindrical wall wall thickness is identical, follow-up
Shaping link be less prone to crack, with prior art provide be welded into bar material edge rolling cylindrical shape or cone barrel plus
Work technique is compared, and Spoke Strength is significantly improved.
Brief description of the drawings
Fig. 1 is manufacturing process's schematic diagram with circular plate blank material processing cart wheel spoke；
Fig. 2 is manufacturing process's flow chart that post-processing wheel spoke is welded with bar material；
Fig. 3 is the processing method flow chart of the wheel spoke of the application；
Fig. 4 is the wheel spoke manufacturing process schematic diagram of the embodiment of the present application；
Fig. 5 is the spinning necking down process schematic diagram of the embodiment of the present application；
Fig. 6 is the enlarging process schematic representation of the embodiment of the present application；
Fig. 7 is the flow forming and molding process schematic diagram of the embodiment of the present application.
Embodiment
Many details are elaborated in the following description to fully understand the application.But the application can be with
Much it is different from other manner described here to implement, those skilled in the art can be in the situation without prejudice to the application intension
Under do similar popularization, therefore the application is not limited by following public specific implementation.
In this application there is provided a kind of processing method of wheel spoke, embodiment presented below is carried out to methods described
Explanation.
The present embodiment provides a kind of processing method of wheel spoke, refer to Fig. 3, its be in the application wheel spoke plus
Work method flow diagram.The embodiment is introduced below in conjunction with Fig. 3.
S101：The seamless circular cylindrical blank one end for meeting predefined parameter is subjected to necking, the other end carries out enlarging.
Hole, external diameter and end face centered on the composition structure of wheel spoke, centre bore are connected with wheel hub, and its periphery is uniformly distributed
There is bolt hole, external diameter is connected with wheel rim, and heat emission hole is evenly distributed with along centre bore on end face.
When spoke is processed, the material usage of the spoke, the spoke of the application are predefined by the specification of prefabricated spoke
The predetermined material source of processing method is cylindrical shape material, so, the predefined parameter is presented as the diameter of cylindrical shape blank, thickness
Degree and three aspects of length.In feeding link, it is necessary to take the blank of different length according to predetermined thickness and diameter.In this Shen
Please in, the seamless circular cylindrical blank of the predetermined diameter, predetermined length and predetermined thickness is referred to according to the prefabricated spoke
Material usage and the prefabricated spoke specification corresponding relation, with reference to the predetermined work flow of the prefabricated spoke and technique
Parameter request, by the pre- fixed length from the seamless cylinder tubing with above-mentioned predetermined material usage with same diameter and thickness
The obtained spoke turned blank of degree, the method for the acquisition spoke turned blank can be to pass through machine cuts, flame
Cutting, plasma cut or laser cutting etc. are cut from the seamless cylinder tubing to be obtained, can also be from seamless cylinder tubing
Meet the blank of the predetermined length of prefabricated spoke consumption described in production firm's directly order.
The seamless cylinder tubing is that there is one kind hollow section, periphery not to have seam, periphery upper tube wall thickness identical
And the cylindric tubing of pressure-bearing identical, originated as the blank of wheel spoke, its material can be aluminium alloy or steel, this implementation
The seamless cylinder tubing for being used to obtain spoke turned blank is used as using seamless steel pipe in example.
Described to carry out necking to standard compliant seamless circular cylindrical blank one end, its object is to preliminarily form spoke spoke
Bottom, the spoke bottom refers to the plane domain containing centre bore and bolt hole.Common necking down process is stamping necking and spinning
Necking, if using stamping necking technique, spoke bottom surface material thickness difference is larger, maximum close to central hole material thickness, wheel
Spoke bottom surface need to be by subsequent turning processing, also, the slightly larger stamping necking of deformation needs progress heat after cylinder type embryo material is heated
Molded (cold stamping, but simply minority can be carried out by also having deformation to be relatively easy to product certainly), therefore, in the present embodiment
In, the necking is as a part for the preforming process of spoke, and its necking down process used is conventional spinning necking.The process
For (as shown in Figure 5)：Before spinning, under the effect of the downward pressure of taper push rod 1, insert 5 (one group three, uniform) is clamped outwards
Clamping workpiece 4 is opened, spinning roller 2 is carried out according to the shape of core 3 to workpiece 4 after the completion of spinning, spinning, and taper push rod 1 is moved back upwards
Return, clamp insert 5 and unclamp workpiece 4 to contract under the effect of extension spring 6, stripper 7 is moved upwards under cylinder action, ejects work
Part 4.In this process, in order to ensure the prefabricated spoke only completes necking by a spinning, the spinning necking needs to meet：
Mouth diameters ÷ embryo material external diameters ＞ 0.6 (coupling barrel forming limit ratio), otherwise needs to carry out multiple spinning after necking.
After above-mentioned conventional spinning necking, the product keeps embryo material thickness constant or a little reduction, can keep the spoke bottom each substantially
The thickness for locating material is uniform.
Described to carry out enlarging to the standard compliant seamless circular cylindrical blank other end, the flared end will be used as the pre- ratch
The external diameter of spoke, and spoke spoke baseplane is flattened while enlarging.The process uses punch forming enlarging technique, makes
Flaring die is coordinated to machine with hydraulic press, its technique is as shown in fig. 6, it is enlarging process schematic representation, and the process is：Enlarging
Before, cavity plate 3 carries out coarse positioning to workpiece 2, and punch-pin 1 is descending, and its small end plays correcting into workpiece, and punch-pin 1 is continued traveling downwardly, work
Part 2 is flared, and when enlarging is completed, punch-pin 1 strongly flattens workpiece baseplane.In the flaring process, in order to avoid enlarging is ftractureed,
Actual elongation percentage is taken to be less than the theoretical elongation percentage of workpiece material, i.e.,：(spoke external diameter-embryo material external diameter) ÷ embryo material external diameter ＜ workpiece materials
Theoretical elongation percentage.After enlarging, the maximum outside diameter of flared end need to be more than or equal to the maximum outside diameter of prefabricated spoke.It is described to spoke
Spoke baseplane is flattened, and is met the requirements its object is to the flatness for ensureing the inside and outside plane in spoke spoke bottom.
In spoke processing link, the selection of blank specification and the predetermined processing method of prefabricated spoke have more close pass
In system, such as the present embodiment, the material of prefabricated spoke is 380CL wheel steels, and its theoretical elongation percentage is 35%, it is known that the pre- ratch
Maximum gauge, spoke spoke base thickness degree and the spoke centre bore dia of spoke, can according to spoke specification and spoke cross sectional shape
The volume of steel needed for producing the spoke is tried to achieve, the wheel can determine that by the process and predetermined processing method of above-mentioned spoke
The billet size of spoke and corresponding technological parameter, for example, because the spoke spoke bottom is the blank through conventional spinning (thickness
It is basically unchanged) by pressing gained, so, sotck thinkness value should be slightly bigger than spoke spoke base thickness degree in the present embodiment；Outside blank
During the value of footpath, the reentrant diameter value need to be predefined, it is straight that reentrant diameter value described in the present embodiment should be less than centre bore
Footpath so as to be follow-up Vehicle Processing reserve machining allowance；Spinning of process in the necking link completes spoke necking
The regulation of required coupling barrel forming limit ratio, i.e.,：Reentrant diameter ÷ blank external diameters ＞ 0.6, and according to enlarging
In order to prevent the theoretical elongation percentage of the required actual elongation percentage ＜ of enlarging cracking in link, i.e.,：(spoke external diameter-embryo material external diameter) ÷
Embryo material external diameter ＜ 35%, it may be determined that the span of the blank external diameter, the value of blank external diameter described in the present embodiment is the model
Enclose interior arbitrary value；After the steel volume for determining the embryo material external diameter, thickness and spoke, material before and after being shaped according to spoke
Material volume equal principle can try to achieve the theoretical length value of required embryo material, it is considered to the machining allowance that following process link is likely to occur,
The embryo material physical length value is slightly over tried to achieve theoretical length value.
By examples detailed above, in this application, the diameter, thickness and length for taking blank are not uniquely, only
The blank value that the requirement of the processing technology of the application can be met all is reasonable value, so, can root in actual production
According to being actually needed flexible variation.
This step is allowed to be formed the profile of spoke, in order to rear by carrying out necking and enlarging to seamless circular cylindrical blank
Continuous processing, necking end will will be used as spoke side wall as spoke spoke bottom, flared end.Why using " first necking, rear enlarging "
Process, is deformed all without the limit reduction beyond material its purpose is to the material of every procedure, if using only contracting
Mouth technique or enlarging technique make the profile of the spoke blank formation spoke, then are unable to reach the ultimate deformation journey for meeting material
Degree and expected technological effect.For example, in the above-described example, if only making the wheel of the blank formation spoke with enlarging technique
Wide, it is assumed that to be 400mm at maximum gauge after above-mentioned enlarging, reentrant diameter (diameter before centre bore turning) is 255mm, sotck thinkness
For 10mm, then embryo material largest outside diameter can only take 275mm or so (value principle is：Blank external diameter is subtracted after sotck thinkness, should
It is 255mm or so to ensure reentrant diameter), actual elongation percentage when thus can try to achieve enlarging is 45%, and the actual elongation percentage is more than
Theoretical elongation percentage 35%, so enlarging cracking will be caused can not to realize the technique；If only using necking in the above-described example
Technique makes the profile of the blank formation spoke, because the diameter difference of its centre bore and maximum outside diameter is larger, so having to pass through
Twice or more spinning necking, its technique is comparatively complex.
S102：To carrying out shaping by product obtained by necking, enlarging, make the basic configuration of product formation spoke.
The shaping, refers to being processed product according to prespecified shape, makes up to predetermined technological requirement.
The shaping methods of spoke mainly have punch forming and rotary press modelling, such as common flange shaping is exactly stamping forming one kind.
In the present embodiment, the shaping refers to passing through the product that the first step is formed after necking and enlarging
Basic configuration of the rotary pressing processing into spoke.The spoke radially on everywhere material thickness be different from, for loss of weight
Ensure to use in the intensity of spoke, the present embodiment simultaneously and disclosure satisfy that the equal strength strength rotation that equal thickness is required in spoke side wall
Pressure technique, the technique as shown in fig. 7, its be the present embodiment in using spinning machine by it is above-mentioned after enlarging and necking obtained by system
The side wall of part carries out shear spinning and makes the process schematic representation of moulding of spoke, and the process is：Workpiece after necking and enlarging falls
It is buckled on core 3, spoke baseplane and filleted corner positioning within workpiece 4, jacking block 1 move downward workpiece pressing, and spinning roller 2 is to workpiece
4 carry out spinning.Spoke inner mold face and the corresponding position of core 3 are basically identical；Spoke outer mold surface depends on the movement locus of spinning roller 2, should
Movement locus can be such that the spoke side wall is thinned successively from center to edge.The movement locus of the spinning roller 2 can pass through numerical control
Realize or realized using template profiling.The maximum outside diameter of the flared end after enlarging described in above-mentioned S101 is more than or equal to pre- ratch
The maximum outside diameter of spoke, its purpose is that during the rotary press modelling that disclosure satisfy that this step that the workpiece material can be smooth
At the maximum gauge for flowing to the prefabricated spoke.
In the present embodiment, the flow forming and molding process is the necking and the extension of enlarging technique, and its object is to will complete
Pre-formed workpieces after necking and enlarging are further shaped to the shape of spoke, and the process is system with the necking and enlarging technique
One entirety.Rotary press modelling directly is carried out to the cylindrical blank if omitting the necking and enlarging technique, at least needed
By three spinning.Such as prefabricated spoke in the present embodiment, if only with spinning process, embryo material external diameter should take this pre-
The maximum gauge of ratch spoke, such embryo material need to pass through spinning necking twice and a rotary press modelling, however, material in spinning process
It is much greater when the hardenability of material is than punching press, if carrying out multiple spinning to the material of the same area, cause the hard of material
Change degree increased dramatically, so that work pieces process difficulty increases.
Punch forming process can also be used in the shaping methods of the step, but in the present embodiment, compared to preferred rotation
It is molded, the drawbacks of punch forming process has certain, it is main reason is that using the punch forming, it is impossible to obtain
Variable cross-section, equal strength spoke, it is impossible to realize the lightweight requirements of spoke.
S103：Following process is carried out to the product after shaping, standard spoke is obtained.
After above-mentioned shaping step terminates, following process carried out to the product, make spoke standard component, the mistake
Journey includes processing bolt hole, processing heat emission hole and product is machined.
The mode in the processing bolt hole is rushed in bolt hole, auger shell keyhole or crowded bolt hole, the present embodiment, when above-mentioned system
Part is shaped to after the basic configuration of spoke by shear spinning, and bolt hole is gone out in spoke centre hole periphery using forcing press,
Then it is punched out using forcing press in spoke section along the uniform heat emission hole in center.
After bolt hole and heat emission hole are machined, lathe will be used to machine the product, car will be specifically included
Centre bore, wheel spoke external diameter and wheel spoke termination.
In above-mentioned process, Vehicle Processing link is also considered in the selection of some processes parameter in advance, so in the link
Above-mentioned work flow need to be combined, for example, above-mentioned spinning necking will cause centre bore to form irregular angular circle, need to be to this
Center circle carries out the centre bore that turning is allowed to be formed given size.For another example the spoke bottom is containing centre bore and bolt hole
In plane domain, the present embodiment, it passes through spinning necking down process so that the spoke base thickness degree is highly uniform, then by enlarging work
After sequence is flattened, its flatness has met technological requirement, so inside and outside plane that need not be again to the spoke bottom carries out turning, such as
Fruit uses stamping necking technique, then spoke bottom surface is thicker close to central hole material, small away from central hole material thickness, so
Must the inside and outside plane in turning spoke spoke bottom could solve the problem of spoke spoke baseplane degree is poor.And the application uses spinning necking
Technique is flattened with enlarging, while the intensity of central bore region is enhanced, material consumption and energy resource consumption is also effectively saved
(compared to hot-forming).
The external diameter refers to the straight flange fitted at spoke maximum gauge with wheel rim, and the purpose of the turning part is to be allowed to
Reach the size requirement that can coordinate with wheel rim.The termination referred at the opening of spoke maximum gauge, the turning position
Purpose is to put down wedge angle car produced after spinning, and spoke front and back end is reached specified altitude.Due to the rotation of the application
Molded link make it that the finish in the type face of the spoke has reached spoke requirement, so in spoke side wall part, except external diameter
Outside termination, other mould surface portions need not be machined.
The present embodiment has so far completed all manufacturing procedures of the spoke, and the manufacturing procedure can refer to Fig. 4, and it is this
The wheel spoke manufacturing process process schematic diagram of embodiment.
The application provides the wheel spoke that a kind of processing method by above-mentioned wheel spoke is processed, the vehicle wheel simultaneously
The processing method for the wheel spoke that all work flows and process details of spoke are provided in strict accordance with above-described embodiment is added
Work, because above-described embodiment has been made more sufficiently to illustrate to this method, therefore not to repeat here.
Although the application is disclosed as above with preferred embodiment, it is not for limiting the application, any this area skill
Art personnel without departing from the spirit and scope of the present invention, can make possible variation and modification, therefore the guarantor of the application
The scope that shield scope should be defined by the application claim is defined.
Claims (7)
1. a kind of processing method of wheel spoke, it is characterised in that methods described includes：
The seamless circular cylindrical blank one end for meeting predefined parameter is subjected to necking, the other end carries out enlarging；
To carrying out shaping by product obtained by necking, enlarging, make the basic configuration of product formation spoke；
Following process is carried out to the product after shaping, standard spoke is obtained.
2. the processing method of wheel spoke according to claim 1, it is characterised in that the seamless circular cylindrical blank be by
What predetermined length was obtained from the seamless cylinder tubing with predetermined diameter and predetermined thickness.
3. the processing method of wheel spoke according to claim 1, it is characterised in that the necking, its mode is spinning
Necking.
4. the processing method of wheel spoke according to claim 1, it is characterised in that described that the other end is subjected to enlarging
Meanwhile, also include：
The necking end of the product is flattened.
5. the processing method of wheel spoke according to claim 1, it is characterised in that described pair by necking, enlarging institute
Obtain product and carry out the process of shaping using spinning process realization so that the spoke side wall formation variable cross-section, strength structure.
6. the processing method of wheel spoke according to claim 1, it is characterised in that the product to after shaping is carried out
Following process, obtains standard spoke, including：
Processing bolt hole；
Process heat emission hole；
Spoke centre hole, external diameter and termination are machined.
7. a kind of wheel spoke, it is characterised in that the wheel spoke is using any one of claim 1-6 wheel spoke
Processing method is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194757.2A CN106938385A (en) | 2017-03-28 | 2017-03-28 | The processing method and wheel spoke of a kind of wheel spoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710194757.2A CN106938385A (en) | 2017-03-28 | 2017-03-28 | The processing method and wheel spoke of a kind of wheel spoke |
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| Publication Number | Publication Date |
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| CN106938385A true CN106938385A (en) | 2017-07-11 |
Family
ID=59463968
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710194757.2A Pending CN106938385A (en) | 2017-03-28 | 2017-03-28 | The processing method and wheel spoke of a kind of wheel spoke |
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| Country | Link |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515321A (en) * | 2018-04-23 | 2018-09-11 | 胡鹏飞 | It is a kind of to be rolled into pipe with rectangle steel plate or pipe material manufactures wheel spoke new method |
| CN109940352A (en) * | 2019-04-18 | 2019-06-28 | 宏源精工车轮股份有限公司 | A kind of engineering wheel disc processing technology |
| CN112872742A (en) * | 2021-03-25 | 2021-06-01 | 宏源精工车轮股份有限公司 | Machining process of bent spoke plate for mine car wheel |
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| US5575539A (en) * | 1991-11-23 | 1996-11-19 | Dr. Ing. H.C.F. Porsche Ag | Wheel rim for a motor vehicle and process for making same |
| DE69712191T2 (en) * | 1996-03-01 | 2002-11-07 | Dimitri Fotij | ALLOY WHEEL RIM AND METHOD FOR THE PRODUCTION THEREOF |
| CN101269456A (en) * | 2008-04-16 | 2008-09-24 | 嘉兴市四通车轮制造有限公司 | Process for manufacturing steel spoke |
| CN101797611A (en) * | 2010-03-16 | 2010-08-11 | 买联合 | Spoke molding method and device |
| US20160158907A1 (en) * | 2014-12-05 | 2016-06-09 | Factory Automation Technology CO.,LTD. | Wheel Rim Processing Machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5575539A (en) * | 1991-11-23 | 1996-11-19 | Dr. Ing. H.C.F. Porsche Ag | Wheel rim for a motor vehicle and process for making same |
| DE69712191T2 (en) * | 1996-03-01 | 2002-11-07 | Dimitri Fotij | ALLOY WHEEL RIM AND METHOD FOR THE PRODUCTION THEREOF |
| CN101269456A (en) * | 2008-04-16 | 2008-09-24 | 嘉兴市四通车轮制造有限公司 | Process for manufacturing steel spoke |
| CN101797611A (en) * | 2010-03-16 | 2010-08-11 | 买联合 | Spoke molding method and device |
| US20160158907A1 (en) * | 2014-12-05 | 2016-06-09 | Factory Automation Technology CO.,LTD. | Wheel Rim Processing Machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108515321A (en) * | 2018-04-23 | 2018-09-11 | 胡鹏飞 | It is a kind of to be rolled into pipe with rectangle steel plate or pipe material manufactures wheel spoke new method |
| CN109940352A (en) * | 2019-04-18 | 2019-06-28 | 宏源精工车轮股份有限公司 | A kind of engineering wheel disc processing technology |
| CN112872742A (en) * | 2021-03-25 | 2021-06-01 | 宏源精工车轮股份有限公司 | Machining process of bent spoke plate for mine car wheel |
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Effective date of registration: 20190108 Address after: 441300 No. 16 Jiliang Avenue, Suizhou High-tech Industrial Park, Hubei Province Applicant after: DONGFENG AUTOMOTIVE WHEEL SUIZHOU CO.,LTD. Address before: 442042 Guangdong Road, Zhangwan District, Shiyan City, Hubei Province Applicant before: DONGFENG AUTOMOTIVE WHEEL Co.,Ltd. |
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Application publication date: 20170711 |
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| RJ01 | Rejection of invention patent application after publication |