CN108044019A - A kind of spindle vertical forging device and technique based on the pre- base of pneumatic hammer - Google Patents
A kind of spindle vertical forging device and technique based on the pre- base of pneumatic hammer Download PDFInfo
- Publication number
- CN108044019A CN108044019A CN201711333452.1A CN201711333452A CN108044019A CN 108044019 A CN108044019 A CN 108044019A CN 201711333452 A CN201711333452 A CN 201711333452A CN 108044019 A CN108044019 A CN 108044019A
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- hammer
- pneumatic hammer
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- 238000005242 forging Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000010273 cold forging Methods 0.000 claims abstract description 19
- 238000009966 trimming Methods 0.000 claims abstract description 11
- 229910052751 metal Inorganic materials 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009497 press forging Methods 0.000 description 1
- 238000012772 sequence design Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
- B21K1/00—Making machine elements
- B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/06—Hammers tups; Anvils; Anvil blocks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of spindle vertical forging devices and technique based on the pre- base of pneumatic hammer, including cold forging part, pre- base component and forge component；Its forging technology includes：Blanking → heating → pre- base → forges → trimming, its integrated artistic is based on the pre- base of pneumatic hammer, it is provided on hammer anvil and specially pulls out cavity to the taper of design for forging shape, round steel blank pulls out in conical die repeatedly to close to forging bar portion length, then aside the plane on hammer anvil claps homalocephalus portion, reasonable layout metal, its pre- blank process is suitable for the common forging equipments such as pneumatic hammer, One-time forging can be realized on conventional friction forcing press, stock utilization is high, with the advantages that at low cost, process is few, and forging quality is good.
Description
Technical field
The present invention relates to automobile metal parts to forge processing technique field, is specially a kind of vapour based on the pre- base of pneumatic hammer
Vehicle knuckle vertical forging device and technique.
Background technology
Knuckle is the key that important component on steering axle of automobile, it not only supports car body weight, but transfer steering moment and
Front wheel brake braking moment is born, under changeable shock loading, ensures traveling manipulation, straight line stability, therefore, knuckle requirement
With very high intensity and the accuracy of manufacture.
There are two types of current forging technology both domestic and external is basic, one kind is horizontal forging technology, the preforming of this technique
For clap it is flat → turn around to clap flat → split, the technique there are forging precision and stock utilization are low, labor strength is high, production effect
The problems such as rate is low；The streamline turbulence for causing forging part is also easy to, in ring flange and bar portion binding site concentration zones loaded
The problem of fracture failure easily occurs is unfavorable for the security of vehicle operation.Another kind is Closed Extrusion forging, and advantage is material profit
High with rate, shortcoming embodies a concentrated reflection of the craftsmanship of extrusion process, and poor (folding, fillibility are poor, deformation uniformity is poor, and streamline does not conform to
Reason) and Life of Die for Extruding Aluminium Alloy is lowly (excessive wear, plastic deformation are serious), die cost is high, and the service life is low, it is necessary to which special forging is set
It is standby, it is overall of high cost.
The content of the invention
It is an object of the invention to provide a kind of spindle vertical forging device and technique based on the pre- base of pneumatic hammer,
Have many advantages, such as that production cost is low, forging quality is good, can realize One-time forging, existing Closed Extrusion forged material utilization rate
Height, and can be adapted for common forging equipment, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides following technical solution：A kind of spindle based on the pre- base of pneumatic hammer
Vertical forging device including cold forging part, pre- base component and forges component；The cold forging part is by head, pan portion and bar portion three parts
Composition；The pre- base component includes upper hammer drill, lower hammer drill, claps flat horizontal surface, upper conical mould, inferior pyramidal mould and gap；The cold forging
In the taper pulling cavity that part clamping is formed in upper hammer drill and lower hammer drill, and processed by pre- base component and form pre- blank；The forging
Playing component includes upper die and lower die；Upper cavity is provided in the upper mold, the both sides of upper cavity are provided with convex lock；Under described
It is provided on mould and is provided with and the convex corresponding recessed lock of lock with the corresponding lower mode cavity of upper cavity, the both sides of lower mode cavity
Button；The pre- blank clamping is in lower mode cavity；Be additionally provided on the end face of the upper mold and lower die pressing flash gutters, choked flow ditch and
It passes a bridge.
Preferably, the bar portion on the cold forging part is elongated, and pan portion is approximate rectangular, and two pieces of head or so is like two cuboids.
Preferably, the lower hammer drill is fixed on pneumatic hammer pedestal.
Preferably, the upper die and lower die are separately fixed on die holder.
The present invention provides another technical solution：A kind of spindle vertical forging work based on the pre- base of pneumatic hammer
Skill comprises the following steps：
S1：Blanking：With sawing machine blanking；
S2：Heating：1150 DEG C are heated in intermediate frequency furnace, then the bar after heating is carried out on pneumatic hammer pre-
Base；
S3：Pre- base：It is gradually sent by bar and rotates blank repeatedly and strike compression pulling is carried out in pre- base component, then
Head bat is flat, and material volume is reasonably distributed before making forging, close to the shape of cold forging part, enables to be full of during elongated bar portion finish-forging, claps
Homalocephalus portion makes close to forging pan portion rectangular shape, and beneficial to capacity distribution and flowing, most bar is shaped to pre- blank at last；
S4：It forges：Pre- blank is inserted into lower mode cavity, when forging, upper mold pushes, and pre- blank contacts upper cavity, metal by
It is gradually flowed along die cavity, and overlap is generated in flash gutters, continue to push with upper mold, passed a bridge and generated with choked flow ditch and overlap
Resistance it is increasing, until die joint contacts, convex lock and recessed lock are closed, and metal is completely filled with upper and lower mould intracavitary；
S5：Trimming：Using hot trimming, overlap is cut off, while forging's block dimension is made to reach requirement, belongs to aided process, if
Meter is identical with ordinary hot trimming process.
Preferably, the pre- base specific methods of the step S3 are as follows：
S3.1：Bar is put into about 50mm in inferior pyramidal mould；
S3.2：Upper hammer anvil is hit downwards, and upper conical mould touches bar, and the part pressure that bar is put into is elongated；
S3.3：Upper hammer anvil lifts, and bar then is overturn 90 °, upper hammer anvil is hit downwards again, again contacts bar
The pressure of the part of conical die and inferior pyramidal mould is elongated；
S3.4：Bar is sent into 50mm into lower mode cavity by overturning again afterwards three times, is repeated the above steps, until bar pulls out
To the conical die other end, close to the bar portion length of cold forging part；
S3.5：The bar other end is positioned over and is clapped on flat horizontal surface, the strike downwards of upper hammer anvil is three times, flat by the bat of head bar,
Taper pulling mould is opened in the inclined one side of hammer anvil, and gap prevents that hammer anvil is encountered on bar head during pulling.
Compared with prior art, the beneficial effects of the invention are as follows：
It is based on the pre- base of pneumatic hammer, hammer anvil based on the spindle vertical forging device and technique of the pre- base of pneumatic hammer
On be provided with and specially pull out cavity to the taper of design for forging shape, round steel blank pulls out in conical die repeatedly to close to forging
Bar portion length, then aside the plane on hammer anvil claps homalocephalus portion, reasonable layout metal, and pre- blank process is suitable for pneumatic hammer etc.
Common forging equipment can realize One-time forging on conventional friction forcing press, and stock utilization is high, has at low cost, process
Less, the advantages that forging quality is good.
Description of the drawings
Fig. 1 is the pre- base component partial enlarged view of the present invention；
Fig. 2 is the A-A sectional views of Fig. 1 of the present invention；
Fig. 3 forges component planes figure for the present invention；
Fig. 4 is the B-B sectional views of Fig. 3 of the present invention；
Fig. 5 is cold forging part plan view of the present invention；
Fig. 6 is the sectional view of Fig. 5 of the present invention.
In figure：Hammer drill on 1,2 times hammer drills, 3 clap flat horizontal surfaces, 4 upper conical moulds, 5 inferior pyramidal moulds, 6 gap, 7 upper molds, 8 lower dies,
9 pre- blanks, 10 upper cavities, 11 lower mode cavities, 12 convex locks, 13 recessed locks, 14 flash gutters, 15 choked flow ditches, 16 pass a bridge, are 17 cold
Forging, 171 heads, 172 pan portions, 173 bar portions, 18 pre- base components, 19 forge component.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
- 6 are please referred to Fig.1, in the embodiment of the present invention：A kind of spindle vertical forging dress based on the pre- base of pneumatic hammer
It puts, including cold forging part 17, pre- base component 18 and forges component 19；Cold forging part 17 is by head 171, pan portion 172 and bar portion 173 3
It is grouped into, bar portion 173 is elongated, and pan portion 172 is approximate rectangular, and 171 or so two pieces of head is like two cuboids；Pre- base component 18 includes
Upper hammer drill 1, lower hammer drill 2 clap flat horizontal surface 3, upper conical mould 4, inferior pyramidal mould 5 and gap 6；Lower hammer drill 2 is fixed on pneumatic hammer pedestal
On, in the taper pulling cavity that 17 clamping of cold forging part is formed in upper hammer drill 1 and lower hammer drill 2, and processed and formed by pre- base component 18
Pre- blank 9；Forging component 19 includes upper mold 7 and lower die 8, and upper mold 7 and lower die 8 are separately fixed on die holder；It is provided in upper mold 7
Upper cavity 10, the both sides of upper cavity 10 are provided with convex lock 12；It is provided in lower die 8 and 10 corresponding lower mode cavity of upper cavity
11, the both sides of lower mode cavity 11 are provided with and the corresponding recessed lock 13 of convex lock 12；Pre- 9 clamping of blank is in lower mode cavity 11
It is interior；Flash gutters 14, choked flow ditch 15 and gap bridge 16 are additionally provided on the end face that upper mold 7 is pressed with lower die 8.
Based on foregoing description, the present invention also provides a kind of spindle vertical forging technique based on the pre- base of pneumatic hammer,
Comprise the following steps：
The first step：Blanking：It is identical with conventional wrought processes to use sawing machine blanking；
Second step：Heating：It is identical with conventional wrought processes, 1150 DEG C are heated in intermediate frequency furnace, then to heating
Bar afterwards carries out pre- base on pneumatic hammer；
3rd step：Pre- base：Pre- base is the process of most critical in this forging technology, claps flat technique using swage block pulling, up and down
Hammer anvil is provided with specially pulls out cavity for this knuckle forging shape to the taper of design, and lower hammer anvil 2 is fixed on pneumatic hammer pedestal,
Bar is first put into about 50mm in inferior pyramidal mould 5, and then upper hammer anvil 1 is hit downwards, and upper conical mould 4 touches bar, bar is put
The part pressure entered is elongated, and then upper hammer anvil 1 lifts, and then bar overturns 90 °, upper hammer anvil 1 strike downwards again, again by stick
Material contacts upper conical mould 4 and the part pressure of inferior pyramidal mould 5 is elongated；Bar is sent by overturning again toward lower mode cavity 11 afterwards three times
50mm repeats the above steps, until bar is pulled out to the conical die other end, at this time close to 173 length of bar portion of cold forging part 17；
Then the bar other end is positioned over and clapped on flat horizontal surface 3, the strike downwards of upper hammer anvil 1 three times, 171 bar of head is clapped flat；Due to
Taper pulling mould is opened in the inclined one side of hammer anvil, so bar head 171 is encountered hammer anvil and opened when gap 6 is to prevent pulling；Entirely
Pre- blank process is gradually sent into hit compressing with rotation blank repeatedly by bar and be pulled out, then head bat is flat, makes material before forging
Volume distributed median is reasonable, close to forging shape, enables to be full of during elongated 173 finish-forging of bar portion, and clapping homalocephalus portion makes close to forging disk
Bar beneficial to capacity distribution and flowing, is finally configured to pre- blank 9 by 172 rectangular shape of portion under this process；
4th step：It forges：Pre- blank 9 is inserted into lower mode cavity 11, when forging, upper mold 7 pushes, and pre- blank 9 contacts upper mold
Chamber 10, metal is gradually flowed along die cavity, and generates overlap in flash gutters 14, continues to push with upper mold 7, pass a bridge 16 and resistance
It is increasing to flow the resistance that ditch 15 and overlap generate, until die joint contacts, convex lock 12 and recessed lock 13 are closed, gold
Category is completely filled with upper and lower mould intracavitary；
5th step：Trimming：Using hot trimming, overlap is cut off, while forging's block dimension is made to reach requirement, belongs to backman
Sequence designs identical with ordinary hot trimming process.
Operation principle：Spindle vertical forging device and technique provided by the invention based on the pre- base of pneumatic hammer, if
Meter principle is under the limited conditions of pneumatic hammer base, and hammer anvil one side is outputed and specially pulls out cavity to the taper of design, reserves and claps
Flat space makes material reasonable distribution before forging, qualified forging is finally forged in finish-forging process；It includes preforming, forges work
Sequence, hot trimming process, wherein preforming are that using the pulling of pneumatic hammer hammer anvil, simultaneously head bat is flat by initial round steel blank, on hammer anvil
It is provided with the conical cavity for the design of knuckle shape；It is that prefabricated blank bar portion is put into forging die lower impressions to forge process, forcing press
Forging and molding obtains qualified forging；Edger is finally putting into, overlap is cut off, while forging's block dimension is made to reach requirement.
In summary：Spindle vertical forging device and technique provided by the invention based on the pre- base of pneumatic hammer are
Based on the pre- base of pneumatic hammer, it is provided on hammer anvil and specially pulls out cavity to the taper of design for forging shape, round steel blank is in conical die
In pulled out repeatedly to close to forging bar portion length, then aside the plane on hammer anvil claps homalocephalus portion, reasonable layout metal,
Its pre- blank process is suitable for the common forging equipments such as pneumatic hammer, and One-time forging, material can be realized on conventional friction forcing press
Utilization rate is high, has the advantages that at low cost, process is few, and forging quality is good.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of spindle vertical forging device based on the pre- base of pneumatic hammer, which is characterized in that including cold forging part (17), in advance
Base component (18) and forge component (19)；The cold forging part (17) is by head (171), pan portion (172) and bar portion (173) three parts
Composition；The pre- base component (18) includes upper hammer drill (1), lower hammer drill (2), claps flat horizontal surface (3), upper conical mould (4), inferior pyramidal mould
(5) and gap (6)；In the taper pulling cavity that cold forging part (17) clamping is formed in upper hammer drill (1) and lower hammer drill (2), and
Pre- blank (9) is formed by the processing of pre- base component (18)；The component (19) that forges includes upper mold (7) and lower die (8)；The upper mold
(7) upper cavity (10) is provided on, the both sides of upper cavity (10) are provided with convex lock (12)；It is provided on the lower die (8)
With upper cavity (10) corresponding lower mode cavity (11), the both sides of lower mode cavity (11) be provided with convex lock (12) it is corresponding under
Recessed lock (13)；Pre- blank (9) clamping is in lower mode cavity (11)；The upper mold (7) on the end face of lower die (8) pressing with going back
It is provided with flash gutters (14), choked flow ditch (15) and passes a bridge (16).
2. a kind of spindle vertical forging device based on the pre- base of pneumatic hammer as described in claim 1, it is characterised in that：
Bar portion (173) on the cold forging part (17) is elongated, and pan portion (172) is approximate rectangular, and two pieces of head (171) left and right is rectangular like two
Body.
3. a kind of spindle vertical forging device based on the pre- base of pneumatic hammer as described in claim 1, it is characterised in that：
The lower hammer drill (2) is fixed on pneumatic hammer pedestal.
4. a kind of spindle vertical forging device based on the pre- base of pneumatic hammer as described in claim 1, it is characterised in that：
The upper mold (7) and lower die (8) are separately fixed on die holder.
5. a kind of spindle vertical forging technique based on the pre- base of pneumatic hammer as described in claim 1, it is characterised in that：
Comprise the following steps：
S1：Blanking：With sawing machine blanking；
S2：Heating：1150 DEG C are heated in intermediate frequency furnace, pre- base is then carried out on pneumatic hammer to the bar after heating；
S3：Pre- base：It is gradually sent by bar and rotates blank repeatedly and strike compression pulling is carried out in pre- base component (18), then
Head (171) bat is flat, and material volume is reasonably distributed before making forging, close to the shape of cold forging part (17), makes elongated bar portion (173) energy
It is full of during finish-forging, clapping homalocephalus portion (171) makes close to forging pan portion (172) rectangular shape, beneficial to capacity distribution and flowing, most
Bar is shaped to pre- blank (9) at last；
S4：It forges：By in pre- blank (9) insertion lower mode cavity (11), when forging, upper mold (7) pushes, and pre- blank (9) contacts upper mold
Chamber (10), metal are gradually flowed along die cavity, and overlap is generated in flash gutters (14), continue to push with upper mold (7), are passed a bridge
(16) and the resistance that generates of choked flow ditch (15) and overlap is increasing, until die joint contacts, convex lock is (12) and recessed
It latches (13) to be closed, metal is completely filled with upper and lower mould intracavitary；
S5：Trimming：Using hot trimming, overlap is cut off, while forging's block dimension is made to reach requirement, belongs to aided process, design is same
Ordinary hot trimming process is identical.
6. a kind of spindle vertical forging technique based on the pre- base of pneumatic hammer as claimed in claim 5, which is characterized in that
The pre- base specific methods of step S3 are as follows：
S3.1：Bar is put into about 50mm in inferior pyramidal mould (5)；
S3.2：Upper hammer anvil (1) is hit downwards, and upper conical mould (4) touches bar, and the part pressure that bar is put into is elongated；
S3.3：Upper hammer anvil (1) lifts, and bar then is overturn 90 °, and the strike downwards again of upper hammer anvil (1) again contacts bar
The pressure of the part of upper conical mould (4) and inferior pyramidal mould (5) is elongated；
S3.4：Bar is sent into 50mm by overturning again into lower mode cavity (11) afterwards three times, is repeated the above steps, until bar pulls out
To the conical die other end, close to bar portion (173) length of cold forging part (17)；
S3.5：The bar other end is positioned over and is clapped on flat horizontal surface (3), upper hammer anvil (1) is hit downwards three times, by head (171) stick
Material bat is flat, and taper pulling mould is opened in the inclined one side of hammer anvil, and gap (6) prevents that hammer anvil is encountered on bar head during pulling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333452.1A CN108044019A (en) | 2017-11-30 | 2017-11-30 | A kind of spindle vertical forging device and technique based on the pre- base of pneumatic hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711333452.1A CN108044019A (en) | 2017-11-30 | 2017-11-30 | A kind of spindle vertical forging device and technique based on the pre- base of pneumatic hammer |
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| Publication Number | Publication Date |
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| CN108044019A true CN108044019A (en) | 2018-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711333452.1A Pending CN108044019A (en) | 2017-11-30 | 2017-11-30 | A kind of spindle vertical forging device and technique based on the pre- base of pneumatic hammer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756723A (en) * | 2019-11-22 | 2020-02-07 | 湖南高致精工机械有限公司 | Transmission shaft forge piece forming process and forging die |
| CN110877091A (en) * | 2019-12-04 | 2020-03-13 | 湖北三环锻造有限公司 | Hot forging forming process method of steering knuckle arm |
| CN110883293A (en) * | 2019-12-02 | 2020-03-17 | 山东恒泰车桥有限公司 | Knuckle one-die multi-cavity die and die forging process |
| CN111761017A (en) * | 2020-06-12 | 2020-10-13 | 中国航发北京航空材料研究院 | Blank making and forming method for forging blank mould with upper and lower lug boss discs |
| CN116810319A (en) * | 2023-08-30 | 2023-09-29 | 苏州罗克莱科技有限公司 | Processing technology and application of high-pressure clamp |
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| CN110756723A (en) * | 2019-11-22 | 2020-02-07 | 湖南高致精工机械有限公司 | Transmission shaft forge piece forming process and forging die |
| CN110883293A (en) * | 2019-12-02 | 2020-03-17 | 山东恒泰车桥有限公司 | Knuckle one-die multi-cavity die and die forging process |
| CN110877091A (en) * | 2019-12-04 | 2020-03-13 | 湖北三环锻造有限公司 | Hot forging forming process method of steering knuckle arm |
| CN111761017A (en) * | 2020-06-12 | 2020-10-13 | 中国航发北京航空材料研究院 | Blank making and forming method for forging blank mould with upper and lower lug boss discs |
| CN116810319A (en) * | 2023-08-30 | 2023-09-29 | 苏州罗克莱科技有限公司 | Processing technology and application of high-pressure clamp |
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