CN106670249B - The flanged squeezed manufacturing process of flange wheel rim - Google Patents
The flanged squeezed manufacturing process of flange wheel rim Download PDFInfo
- Publication number
- CN106670249B CN106670249B CN201710001036.5A CN201710001036A CN106670249B CN 106670249 B CN106670249 B CN 106670249B CN 201710001036 A CN201710001036 A CN 201710001036A CN 106670249 B CN106670249 B CN 106670249B
- Authority
- CN
- China
- Prior art keywords
- pin
- flange
- punch
- temperature
- wheel rim
- 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.)
- Active
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/03—Making uncoated products by both direct and backward extrusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C25/00—Profiling tools for metal extruding
- B21C25/02—Dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/003—Cooling or heating of work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/04—Cooling or heating of press heads, dies or mandrels
Abstract
A kind of flanged squeezed manufacturing process of flange wheel rim, it is characterised in that include the following steps：1. blanking procedure；2. heating process, to through blanking procedure bar and extrusion die be separately heated to out crowded temperature；3. two-way squeezed forming process.Compared with the prior art, the advantages of the present invention are as follows：Process is few, complete fixture for forming and equipment investment, is suitble to industrialized mass production；Forming period is shortened, forming efficiency is improved；Reduce manufacturing cost.
Description
Technical field
The present invention relates to a kind of forming method of wheel rim more particularly to a kind of flanged flange wheel rim extrusion process,
Belong to metal working technical area.
Background technology
Wheel rim is the component that tire is fixedly mounted in wheel, is the bearing configuration part of vehicle power output and brake load,
It such as subjects curved, pressure, turns round, draws at complicated alternate stress field action during being on active service, thus wheel rim military service mechanical property requirements compared with
It is high.
As shown in Figure 1, being a kind of wheel rim 10 of flanged flange, belong to flanged (FLGD) hollow semiaxis class revolving structure part,
Including flange portion 10a and by the flange part 10b outstanding that extends outwardly among flange portion 10a.Currently, the tradition of such band structure part
Manufacturing method is mainly multi-pass forging (Compound Extrusion or extruding+transverse rolling) blank+mechanical processing forming of big surplus or adopts
With cast form+mechanical processing forming.
Big surplus forging stock machine adds that manufacturing process is fine and close there are microstructure and consistency is preferable, but the process-cycle is long, material
Expect that utilization rate and forming efficiency are low；Mechanical processing, which destroys forging metal streamline, influences the military service performance and service life of such component
The deficiencies of.
Cast moulding method can realize the precision form of complex structural member, but cast form energy consumption is higher, while by
It is inevitable in stomata, segregation, loose casting flaw, thus its yield rate is relatively low, microstructure and mechanical property consistency are difficult
To reach requirement, especially for the wheel rim for bearing complicated alternate stress field action, there are security risks.Therefore, how this is realized
The forming of component high efficiency reduces cost and is the technical field urgent problem to be solved with preferable mechanical property.
By the retrieval discovery to the prior art, many improved moulding manufacture methods are disclosed in the prior art, such as
Application No. is 201510321975.9 Chinese invention patent applications to disclose《A kind of spy rolls axle tube technique》It is (public
The number of opening：CN104942540A), this application is to pass through the side of three-roll rolling on the basis of the tube body and ring flange independently shaped
Method realizes tube body deformation, and wherein ring flange is connected with tube body by welding method.
Application No. is 201510131467.4 Chinese invention patent applications to disclose《A kind of processing technology of axle tube》
(publication number：CN104741875A), that application discloses a kind of processing technology of axle tube, " multi-pass extruding+weldering is used
Connect+be machined " forming technology, wherein use four extrusion process realize axle tube forming.
Application No. is 201110442773.1 Chinese invention patent applications to disclose《A kind of Big Diameter Flange axle tube
Forming technique method》(publication number：CN102513791A), the specific forming process of this application includes that " blanking+heating+heading+pendulum is rolled over
Forming+forward extrusion+extrusion molding ".
Application No. is 200910019301.8 Chinese invention patent applications to disclose《Hot extrusion forming process of half-shaft casings and
Dedicated unit》(publication number：CN101690965A), that application discloses including " blanking+heating+forward extrusion jumping-up+backward extrusion is fixed
Position+shallow punching is preforming+deep punch finish forging " a kind of hot extrusion forming process of half-shaft casings including process.
13rd interim 58-58 in 2013《Intermetallic composite coating:Hot-working》Outstanding written " forming of the ring flange semiaxis " article of peace
In describe manufacturing process using local forging (flat forging) the forming flange semiaxis of 5 procedures.
It 2013, is elaborated in winged written Master's thesis " axle tube ring flange Research of Forming Technology and emulation "
The manufacturing process of " jumping-up+pre-extrusion forming+end extrusion molding " 3 procedures.
The 2nd phases of volume 32 in 2007《Forging technology》In remaining light, Jiang Peng etc. is delivered, and " Forged Half Shaft Bushing and deep extrusion are multiple
" blanking+heating+heading+die forging flange shape+trimming+squeeze hole+shaping+heat is described in conjunction technique numerical simulation " paper
The manufacturing process of processing ".
The manufacturing process of flanged (FLGD) hollow semiaxis class revolving structure part involved in above patent document and article is universal
It is more that there are forming processes, and forming efficiency is low, and heating times are more, and energy consumption is higher；Completed forming die has tooling and equipment investment is big, method
The deficiencies of blue position forging surplus is big, and stock utilization is low, and machine adds the period long, causes manufacturing cost height.
Invention content
The technical problem to be solved by the present invention is to a kind of high efficiency, low cost are provided for the above-mentioned state of the art
The squeezed manufacturing process of flanged pin class wheel rim.
Technical solution is used by the present invention solves above-mentioned technical problem：The blanking procedure, bar (aluminium alloy,
Magnesium alloy) can be semicontinuous casting rod, can also be strand extruded bars.Blanking specification carries out isometric according to actual requirement
Blanking, and machined vehicle puts down the nose circle face of descended blank.
The heating process, to through blanking procedure bar and extrusion die be separately heated to out crowded temperature, the extruding
Mold includes cavity plate, flange punch-pin and semiaxle tube punch-pin, the axially hollow formation die cavity of cavity plate above-mentioned and one end is formed and wheel rim
The flaring of flange portion adaptation；Flange punch-pin above-mentioned corresponds to the setting of aforementioned cavity plate, which includes for being molded wheel rim
First noses of hollow cavity and the forming part that wheel rim flange portion is molded with aforementioned flaring cooperation, the first noses above-mentioned are prominent
It arises from the middle part of forming part, aforementioned axle pipe punch-pin corresponds to the other end setting of aforementioned cavity plate, and the front end of the semiaxle tube punch-pin has
The second lug boss and rear end for being projected on middle part are adapted to the inner wall of cavity plate.
The two-way squeezed forming process, the blank after heated process are incorporated cavity plate, and cavity plate is fixed, flange
Punch-pin and semiaxle tube punch-pin bi-directional synchronization are to squeezing.Flange punch-pin is out of service after running to its first stroke limit, and flange is convex
Mould forms with cavity plate and is closed cavity.Fold defect is generated when filling the cavity in order to avoid metal subsequent flowing, it is convex by flange
The relative position of mould and cavity plate realizes the position control of flange the first stroke limit of punch-pin, to which control is formed by closure cavity
Structural parameter control.Semiaxle tube punch-pin proceeds to process out of service after its stroke limit (being determined by Web thickness)
In, the deformable metal close to flange punch-pin end realizes that diameter extends out flowing, and flows into flange punch-pin and be formed by closure with cavity plate
Cavity；Flange punch-pin is out of service after being again turned at operation to its second stroke limit, wherein the second stroke of flange punch-pin
Limit is determined by the relative position of Web thickness and semiaxle tube punch-pin.At this point, net forming is realized in male flange end position, wheel rim at
Shape finishes.Finally, drip molding is taken out, air-cooled rear machine adds removal gross weight, is then heat-treated.
Preferably, step 1. described in bar select 7075 rodss and bars of aluminium alloy；The step 2. heating process item
Part is as follows：365 DEG C~375 DEG C of blank heating temperature keeps the temperature 2 hours after arriving temperature；Extrusion die is heated to 345 DEG C~355 DEG C, arrives
5 hours are kept the temperature after temperature；Step 3. in two-way feed 1~3mm/s of extrusion speed, semiaxle tube punch-pin continue feed speed be 1.5~
3mm/s, flange punch-pin are again turned on 0.5~2mm/s of operation feed speed.
Preferably, step 1. described in bar select AZ80 magnesium alloy rods, the step 2. heating process item
Part is as follows：330 DEG C~340 DEG C of blank heating temperature keeps the temperature 2 hours after arriving temperature；Extrusion die is heated to 295 DEG C~305 DEG C, arrives
5 hours are kept the temperature after temperature；3. middle two-way feed extrusion speed 1.5mm/s, semiaxle tube punch-pin continue feed speed as 1.5mm/ to step
S, flange punch-pin are again turned on operation feed speed 1mm/s.
Compared with the prior art, the advantages of the present invention are as follows：1) heating process is few, can realize microstructure control at
Shape ensures the consistency of formed parts mechanical property；2) forming process is few, complete fixture for forming and equipment investment, is suitble to industry
Change batch production；Forming period is shortened, forming efficiency is improved；3) it realizes that wheel hub shapes only, avoids metal streamline by machinery
Processing destroys and influences the deficiency of service life, while improving stock utilization, shortens mechanical processing working hour, reduces and be manufactured into
This.
Description of the drawings
Fig. 1 is the rim structure schematic diagram of flanged flange in the prior art.
Fig. 2 is structure of extrusion schematic diagram.
Fig. 3 is that blank is molded original state figure.
Fig. 4 is state diagram after Bidirectional-squeezing.
Fig. 5 is that flange punch-pin stops and semiaxle tube punch-pin continues to feed state diagram.
Fig. 6 is the feeding of flange punch-pin and semiaxle tube punch-pin halted state figure.
Specific implementation mode
Below in conjunction with attached drawing embodiment, present invention is further described in detail.
Embodiment 1
(1) blanking
7075 Aluminium Alloy Extruded Bars of diameter 195mm, after vehicle puts down two nose circle faces of descended blank, length 327mm.
(2) it heats
370 DEG C ± 5 DEG C of aluminum alloy blank heating temperature keeps the temperature 2 hours after arriving temperature；Extrusion die is heated to 350 DEG C ± 5
DEG C, keep the temperature 5 hours after arriving temperature.As shown in Fig. 2, extrusion die includes cavity plate 3, flange punch-pin 1 and semiaxle tube punch-pin 4,3 axis of cavity plate
Simultaneously the flaring 32 being adapted to rim shoulder portion is formed to hollow formation die cavity 31 in one end；Flange punch-pin 1 corresponds to the setting of cavity plate 3,
The flange punch-pin 1 include the first noses 11 for being molded wheel rim hollow cavity and with 32 cooperation molding wheel rim flange portions of flaring
Forming part 12, the first noses 11 are projected on the middle part of forming part 12, and semiaxle tube punch-pin 4 corresponds to the other end setting of cavity plate 3, should
The front end of semiaxle tube punch-pin 4 has the second lug boss 41 for being projected on middle part and rear end is adapted to the inner wall of cavity plate 3.
(3) two-way squeezed forming
Blank 2 after heating process is fitted in cavity plate 3, as shown in Figure 3.Flange punch-pin 1 and semiaxle tube punch-pin 4 are same in the same direction
Step is to squeezing, two-way feed extrusion speed 3mm/s, and bi-directional synchronization displacement difference Collaborative Control sets 0.2mm.After contacting blank, flange
Punch-pin 1 squeezes the flow of metal amount of feeding to be out of service after 78mm, as shown in Figure 4.Semiaxle tube punch-pin 4 continues (speed 3mm/s)
Operation is to limit (Web thickness 18mm) is formed, as shown in Figure 5.Flange punch-pin 1 is again turned on operation (speed 2mm/s) to its row
It is out of service after the second spacing place of journey, as shown in fig. 6, further the full flange punch-pin 1 of filling is formed by closure to metal with cavity plate 3
Cavity, male flange end position realize that net forming, wheel rim forming finish.
Drip molding is taken out, air-cooled rear machine adds removal gross weight 10c (as shown in Figure 6), is then heat-treated.After heat treatment
7075 aluminium alloy wheel rim semiaxis pipe portion axial force performances are shown in Table 1.
1 7075 aluminium alloy wheel rim semiaxis pipe portion mechanical property of table
| Number | Tensile strength (Mpa) | Elongation after fracture (%) |
| 7075-1 | 582 | 11.0 |
| 7075-2 | 585 | 13.0 |
| 7075-3 | 574 | 11.5 |
Embodiment 2
(1) blanking
The AZ80 extruded bar from magnesium alloy of diameter 195mm, after vehicle puts down two nose circle faces of descended blank, length 329mm.
(2) it heats
335 DEG C ± 5 DEG C of magnesium alloy blank heating temperature keeps the temperature 2 hours after arriving temperature；Extrusion die is heated to 300 DEG C ± 5
DEG C, keep the temperature 5 hours after arriving temperature.The structural reference embodiment 1 of extrusion die.
(3) two-way squeezed forming
Blank 2 after heating process is fitted in cavity plate 3；Flange punch-pin 1 is synchronous to squeezing in the same direction with semiaxle tube punch-pin 4, double
To feeding extrusion speed 1.5mm/s, bi-directional synchronization displacement difference Collaborative Control sets 0.2mm.After contacting blank, flange punch-pin 1 squeezes
Press the flow of metal amount of feeding to be out of service after 75mm, the continuation of semiaxle tube punch-pin 4 (speed 1.5mm/s) operation, which is extremely formed, to be limited
(Web thickness 20mm).Flange punch-pin 1 be again turned on it is out of service after operation (speed 1mm/s) to its second spacing place of stroke,
Further the full flange punch-pin 1 of filling is formed by closure cavity to metal with cavity plate 3, and net forming, wheel are realized in male flange end position
Rim forming finishes.
Drip molding is taken out, air-cooled rear machine adds removal gross weight, is then heat-treated.AZ80 magnesium alloy wheel rims after heat treatment
Semiaxis pipe portion axial force performance is shown in Table 2.
The mechanical property of 2 AZ80 magnesium alloy wheel rim semiaxis pipe portions of table
| Number | Tensile strength (Mpa) | Elongation after fracture (%) |
| AZ80-1 | 372 | 9.0 |
| AZ80-2 | 370 | 10.0 |
| AZ80-3 | 374 | 9.5 |
Embodiment 3
(1) blanking
The AZ91 extruded bar from magnesium alloy of diameter 195mm, after vehicle puts down two nose circle faces of descended blank, length 330mm.
(2) it heats
300 DEG C ± 5 DEG C of magnesium alloy blank heating temperature keeps the temperature 4 hours after arriving temperature；Mold is heated to 300 DEG C ± 5 DEG C, arrives
5 hours are kept the temperature after temperature.
(3) two-way squeezed forming
Blank 2 after heating process is fitted in cavity plate 3；Flange punch-pin 1 is synchronous to squeezing in the same direction with semiaxle tube punch-pin 4, double
To feeding extrusion speed 1mm/s, bi-directional synchronization displacement difference Collaborative Control sets 0.2mm.After contacting blank, flange punch-pin 1 squeezes
The flow of metal amount of feeding is out of service after being 80mm, and semiaxle tube punch-pin 4 continues (speed 1.5mm/s) operation and extremely forms limit (even
Skin thickness 21mm).Flange punch-pin 1 is again turned on out of service, gold after operation (speed 0.5mm/s) to its second spacing place of stroke
Belong to the full flange punch-pin 1 of further filling and be formed by closure cavity with cavity plate 3, net forming, wheel rim are realized in male flange end position
Forming finishes.
Drip molding is taken out, air-cooled rear machine adds removal gross weight, is then heat-treated.AZ91 magnesium alloy wheel rims after heat treatment
Semiaxis pipe portion axial force performance is shown in Table 3.
The mechanical property of 3 AZ91 magnesium alloy wheel rim semiaxis pipe portions of table
| Number | Tensile strength (Mpa) | Elongation after fracture (%) |
| AZ91-1 | 267 | 8.0 |
| AZ91-2 | 270 | 7.0 |
| AZ91-3 | 268 | 7.0 |
Claims (3)
1. a kind of flanged squeezed manufacturing process of flange wheel rim, it is characterised in that include the following steps：
1. blanking procedure, using aluminium alloy or magnesium alloy rod, blanking specification carries out isometric blanking according to actual requirement, and
Machined vehicle puts down the nose circle face of descended blank；
2. heating process, to through blanking procedure bar and extrusion die be separately heated to out crowded temperature, which includes
Cavity plate, flange punch-pin and semiaxle tube punch-pin, the axially hollow formation die cavity of cavity plate above-mentioned and one end form suitable with rim shoulder portion
The flaring matched；Flange punch-pin above-mentioned corresponds to the setting of aforementioned cavity plate, which includes for being molded wheel rim hollow cavity
The first noses and forming part with aforementioned flaring cooperation molding wheel rim flange portion, the first noses above-mentioned are projected on molding
In the middle part of portion, aforementioned axle pipe punch-pin corresponds to the other end setting of aforementioned cavity plate, and the front end of the semiaxle tube punch-pin is in being projected on
Second lug boss in portion is simultaneously adapted to rear end with the inner wall of cavity plate；
3. two-way squeezed forming process, the die cavity of the blank supplying cavity plate after heated process, cavity plate is fixed, and flange is convex
Mould and semiaxle tube punch-pin bi-directional synchronization are to squeezing；Flange punch-pin is out of service after running to the first stroke limit, flange punch-pin with
Formed between cavity plate and be closed cavity, semiaxle tube punch-pin proceed to it is out of service after stroke limit during, close to flange
The blank at punch-pin end realizes that diameter extends out flowing, and flows into the closure cavity between flange punch-pin and cavity plate；Flange punch-pin is again
Out of service after opening at operation to the second stroke limit, the blank of male flange end position realizes that net forming, wheel rim have shaped
Finish；
4. taking out drip molding, air-cooled rear machine adds removal gross weight, is then heat-treated.
2. the flanged squeezed manufacturing process of flange wheel rim according to claim 1, it is characterised in that step 1. described in
Bar selects 7075 rodss and bars of aluminium alloy；2. the described heating process condition is as follows for step：365 DEG C~375 DEG C of blank heating temperature,
2 hours are kept the temperature after to temperature；Extrusion die is heated to 345 DEG C~355 DEG C, and 5 hours are kept the temperature after arriving temperature；3. middle two-way feed squeezes step
1~3mm/s of speed is pressed, it is 1.5~3mm/s that semiaxle tube punch-pin, which continues feed speed, and flange punch-pin is again turned on operation feeding speed
Spend 0.5~2mm/s.
3. the flanged squeezed manufacturing process of flange wheel rim according to claim 1, it is characterised in that step 1. described in
Bar selects AZ80 magnesium alloy rods, and 2. the described heating process condition is as follows for step：330 DEG C~340 DEG C of blank heating temperature,
2 hours are kept the temperature after to temperature；Extrusion die is heated to 295 DEG C~305 DEG C, and 5 hours are kept the temperature after arriving temperature；3. middle two-way feed squeezes step
Speed 1.5mm/s is pressed, it is 1.5mm/s that semiaxle tube punch-pin, which continues feed speed, and flange punch-pin is again turned on operation feed speed
1mm/s。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710001036.5A CN106670249B (en) | 2017-01-03 | 2017-01-03 | The flanged squeezed manufacturing process of flange wheel rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710001036.5A CN106670249B (en) | 2017-01-03 | 2017-01-03 | The flanged squeezed manufacturing process of flange wheel rim |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106670249A CN106670249A (en) | 2017-05-17 |
| CN106670249B true CN106670249B (en) | 2018-08-28 |
Family
ID=58850072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710001036.5A Active CN106670249B (en) | 2017-01-03 | 2017-01-03 | The flanged squeezed manufacturing process of flange wheel rim |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106670249B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109261802B (en) * | 2018-11-15 | 2024-03-12 | 北京科技大学设计研究院有限公司 | Die for stamping and forming flange by rolling steel plate and processing method |
| CN112222294B (en) * | 2020-09-22 | 2022-08-05 | 厦门捷讯传动轮机械有限公司 | Bidirectional flanging forming process for inner hole of material slice |
| CN113798430A (en) * | 2021-08-11 | 2021-12-17 | 广东华昌集团有限公司 | Preparation method of steel-aluminum conductor rail based on co-extrusion and conductor rail |
| CN113909379B (en) * | 2021-10-11 | 2023-10-13 | 中北大学 | Precise extrusion forming die for anchoring flange |
| CN114433777B (en) * | 2022-02-09 | 2023-09-19 | 通裕重工股份有限公司 | Wind power hollow main shaft inner hole extrusion-expansion forming process |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1112344A (en) * | 1953-11-12 | 1956-03-13 | Kabel U Metallwerke Neumeyer A | Method and device for press-stamping, in particular cold, flanged-shaped parts made of metal, preferably steel |
| DE1627665A1 (en) * | 1967-04-13 | 1971-08-05 | Aluminium U Metallwerke Soeren | Process and device for the production of sleeves and technical extrusion parts made of light metal |
| US4416141A (en) * | 1982-01-11 | 1983-11-22 | The Nippert Company | Method and apparatus for forming an electrical connector |
| CN1014684B (en) * | 1989-08-01 | 1991-11-13 | 邯郸市自行车飞轮车 | Technology for thermoset extrusion of a bicycle fly wheel |
| CN1654138A (en) * | 2005-01-28 | 2005-08-17 | 陈波 | Cold extrusion molding technique for direct blank accomplishment of motorcycle initiating drive gear wheel bar |
| CN101829697A (en) * | 2010-05-06 | 2010-09-15 | 胡杰 | One-die double-top extrusion forming technology for automotive axle housing tube or engineering mechanical supporting axle |
| CN102319757B (en) * | 2011-08-18 | 2013-11-20 | 中国兵器工业第五二研究所 | Preparation method of magnesium alloy variable-section cylindrical member by composite extrusion deformation |
| CN102357645B (en) * | 2011-08-23 | 2015-08-26 | 江苏大学 | The devices and methods therefor of round bar one step multidirectional combined shaping central flange pipe joint |
| CN104889186B (en) * | 2015-06-18 | 2017-09-22 | 燕山大学 | A kind of positive and negative Compound Extrusion manufacturing process of ZrTiAlV alloys electric field-assisted |
-
2017
- 2017-01-03 CN CN201710001036.5A patent/CN106670249B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106670249A (en) | 2017-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106670249B (en) | The flanged squeezed manufacturing process of flange wheel rim | |
| CN101234401B (en) | Magnesium alloy automobile wheel extrusion molding method and mold | |
| CN100475429C (en) | A labor-saving automobile hub forming method and device thereof | |
| CN111112526A (en) | Manufacturing method of IN718 alloy axial asymmetric multi-flange casing ring piece | |
| CN100484696C (en) | Forging and rolling technology and hot rolling and forging apparatus for making large pulley | |
| CN110508737B (en) | Wheel hub extrusion forming method | |
| CN101376141B (en) | Press forming method of automobile hub and matched forming mold thereof | |
| CN105014321A (en) | Magnesium alloy wheel forging forming method | |
| CN105436350A (en) | Forming method for banjo axle housing | |
| CN112589021B (en) | Manufacturing method of IN718 alloy double-flange high-cylinder casing ring piece | |
| CN104874626A (en) | Process and device for forming magnesium alloy loading wheel disc through combined extruding in radial direction and reverse direction | |
| CN103302220B (en) | A kind of automotive hub one step forge forming device and method | |
| CN101733304A (en) | TiNi base shape memory alloy tube hydraulic extrusion moulding method | |
| CN109648029A (en) | The forging die set and its forging method of large thin-wall cylinder class ring flange | |
| CN103111482B (en) | Preparation method of magnesium alloy seamless pipe and extrusion die thereof | |
| CN110153264A (en) | The integral forming method of coaxial-type electric automobile drive axle axle housing | |
| CN109365700A (en) | Complicated arc variable cross-section forging closes forging rolloff manufacturing process | |
| CN105057529A (en) | Extrusion forming method for hollow shaft forged piece with variable cross section | |
| CN112692519A (en) | Forming method of GH4169 alloy large-size special-shaped section outer casing forged piece | |
| CN103567338A (en) | Metal element manufacturing method | |
| CN107159831A (en) | A kind of forging method of cross forging part | |
| CN109719249A (en) | A kind of expansion forming method of the high cylinder part of Ta1 material thin wall | |
| CN112475180A (en) | Forging die and method for step shaft type forge piece | |
| CN108213845B (en) | Manufacturing method of TA12A special-shaped casing forging | |
| CN102658304A (en) | Closed-extrusion and molding method of flange |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |