CN107442589A - A kind of large-scale band lug magnesium alloy component shaping dies - Google Patents
A kind of large-scale band lug magnesium alloy component shaping dies Download PDFInfo
- Publication number
- CN107442589A CN107442589A CN201710858741.7A CN201710858741A CN107442589A CN 107442589 A CN107442589 A CN 107442589A CN 201710858741 A CN201710858741 A CN 201710858741A CN 107442589 A CN107442589 A CN 107442589A
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- plate
- elephants
- movements
- sphere
- cavity plate
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Classifications
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- 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
- B21C23/18—Making uncoated products by impact extrusion
- B21C23/183—Making uncoated products by impact extrusion by forward 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/18—Making uncoated products by impact extrusion
- B21C23/186—Making uncoated products by impact extrusion by 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
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/32—Lubrication of metal being extruded or of dies, or the like, e.g. physical state of lubricant, location where lubricant is applied
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Forging (AREA)
Abstract
The invention discloses a kind of large-scale band lug magnesium alloy component shaping dies, and it includes punch assemblies, lower die assembly and cavity plate component and the ejection linkage of entirety；Punch assemblies include the cope plate being connected with the sliding block of forcing press, the drift fixed the fixed plate of drift and be connected with cope plate；Cavity plate component includes irregular non-axis symmetry cavity plate and the sphere of movements for the elephants pintongs cavity plate inside irregular non-axis symmetry cavity plate；Lower die assembly includes lower template, " ten " the word fixed plate being connected with lower template, the special-shaped fixed plate being connected with " ten " word fixed plate；Overall ejection linkage includes cylindrical push rod, " ten " the font push rod inside " ten " word fixed plate and the sphere of movements for the elephants jacking block being engaged with sphere of movements for the elephants pintongs cavity plate；It reduces the percent defective of magnesium alloy large-sized component and improves stock utilization, forming technology is simple, drastically increases production efficiency and improves the performance of extrusion by reasonably distributing metal flow.
Description
Technical field
The present invention relates to metal material plastic working and forming technique field, and in particular to a kind of large-scale band lug magnesium alloy
Component forming mould.
Background technology
Large-scale component is one of representative structure type in fields such as space flight and aviation, defence and military, communications and transportation.
Often forming technology is complicated for it, it is difficult to and it is once-forming, production efficiency is both reduced, also increases production cost.It is compound to get into row
Big plastic deformation technology does not obtain the development of maturation yet so that the production of special-shaped large-scale component encounters bottleneck.And magnesium alloy
Forming property is poor, in forming process, easily produces defect, and these factors result in compound crowded big plastic deformation technology jointly
Slower development.But by controlling the flowing of metal, thus it is possible to vary these defects, can be with by reasonably distributing metal flow
Make magnesium alloy large-sized component reduce the number of rejects and seconds rate and improve stock utilization.This compound extrusion forming method perfectly make use of metal
Flowing law, make forming technology simple, production efficiency can be greatly improved and improve the performance of extrusion.
The content of the invention
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of large-scale band lug magnesium alloy component
Shaping dies, by reasonably distributing metal flow, reduce the percent defective of magnesium alloy large-sized component and improve stock utilization, into
Shape technique is simple, drastically increases production efficiency and improves the performance of extrusion.
To achieve the above object, the technical solution adopted by the present invention is：
A kind of large-scale band lug magnesium alloy component shaping dies, comprising the punch assemblies being connected with press ram, with pressing
The ejection linkage of connected lower die assembly and the cavity plate component of power machine substructure and entirety；Described punch assemblies bag
Containing cope plate, upper mounted plate, drift；Cope plate is fixedly connected by fastener with the top shoe of forcing press；Drift passes through upper solid
Fixed board and fastener are fixed on cope plate；Described cavity plate component includes irregular non-axis symmetry cavity plate and in irregular
Sphere of movements for the elephants pintongs cavity plate inside non-axis symmetry cavity plate；Described lower die assembly includes lower template, is connected with lower template
" ten " word fixed plate, the special-shaped fixed plate being connected with " ten " word fixed plate；Sphere of movements for the elephants pintongs cavity plate is by special-shaped fixed plate and not
Regular non-axis symmetry cavity plate connection；Special-shaped fixed plate is fixedly connected by fastener with " ten " word fixed plate；" ten " word fixed plate
It is fixedly connected by fastener with lower template；Lower template is by fastener and is assemblied on the lower table of forcing press；Described
Overall ejection linkage includes cylindrical push rod, " ten " font push rod and and sphere of movements for the elephants inside " ten " word fixed plate
The sphere of movements for the elephants jacking block that pintongs cavity plate is engaged；The end of cylindrical push rod and the liftout tank of forcing press connect；Cylindrical push rod
Top is connected through lower template with the end of " ten " font push rod；The top of " ten " font push rod is connected with sphere of movements for the elephants jacking block.
Preferably, described drift is divided into whole forming punch and preform and rushes first two；
Preferably, described irregular non-axis symmetry cavity plate is provided with the type along the asymmetric similar ellipse of central shaft
Chamber；The die cavity of similar ellipse is provided with pattern draft；
Preferably, described sphere of movements for the elephants pintongs cavity plate is to form sphere of movements for the elephants shape cavity plate by the small cavity plate of pintongs；The small cavity plate of pintongs
Middle part formed " ten " font die cavity；" ten " font die cavity is provided with pattern draft；The edge of " ten " font die cavity has circle
Angle；
Preferably, described sphere of movements for the elephants jacking block is divided into two kinds of thin sphere of movements for the elephants jacking block and thick sphere of movements for the elephants jacking block；
Preferably, the upper end of described irregular non-axis symmetry cavity plate is provided with stop gauge；Described stop gauge includes
Bottom is provided with the cambered plate of rectangular through holes and the striker plate in rectangular through holes.
After such scheme, the present invention has the beneficial effect that：A kind of large-scale band lug magnesium alloy component of the present invention
Shaping dies, using irregular non-axis symmetry cavity plate, compound crowded smart structural design, good reliability, forming accuracy are high, are being molded
During, the preform stage reasonably controls the flowing of metal by preform drift, and the capacity distribution of metal is intact, so that
Whole shaping stage metal can perfectly flow, and get a desired effect, and form extrusion；And shaping side of the present invention
Method can effectively reduce forming technology, greatly improve production efficiency, cost-effective and improvement material structure performance.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the mould general assembly drawing of the present invention；
Fig. 2 mold work views that are blank when to be extruded；
Fig. 3 is blank mold work view in preform extrusion molding；
Fig. 4 is blank mold work view when whole contoured squeeze shapes；
Fig. 5 is the front view of preform drift；
Fig. 6 is Fig. 5 top view；
Fig. 7 is Fig. 5 left view；
Fig. 8 is the front view of whole forming punch；
Fig. 9 is Fig. 8 top view；
Figure 10 is Fig. 8 left view；
Figure 11 is the structural representation of irregular non-axis symmetry cavity plate；
Figure 12 is the sectional view in A-A directions in Figure 11；
Figure 13 is the front view of sphere of movements for the elephants pintongs cavity plate；
Figure 14 is the sectional view in B-B directions in Figure 13；
Figure 15 is the front view of special-shaped fixed plate；
Figure 16 is the sectional view in C-C directions in Figure 15；
Figure 17 is the sectional view in D-D directions in Figure 15；
Figure 18 is the front view of cambered plate；
Figure 19 is the sectional view in E-E directions in Figure 18.
Description of reference numerals：
1st, cope plate；2nd, fastener；3rd, upper mounted plate；4th, whole forming punch；5th, cambered plate；6th, striker plate；7th, it is irregular
Non-axis symmetry cavity plate；8th, special-shaped fixed plate；9th, ten " word fixed plate；10th, lower template；11st, cylindrical push rod；12nd, " ten " font top
Bar；13rd, thin sphere of movements for the elephants jacking block；14th, sphere of movements for the elephants pintongs cavity plate；15th, preform drift；16th, magnesium alloy blank；17th, thick sphere of movements for the elephants
Jacking block；18th, preform extrusion；19th, final extrusion；7-1, similar ellipse die cavity die cavity；14-1, " ten " font type
Chamber.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is further illustrated.
Referring to shown in Fig. 1-19, the technical scheme that present embodiment uses is：It is included is connected with press ram
Punch assemblies, the ejection linkage of lower die assembly and the cavity plate component that is connected with forcing press substructure and entirety；
Described punch assemblies include cope plate 1, upper mounted plate 3, drift；Cope plate 1 is consolidated by the top shoe of fastener 2 and forcing press
Fixed connection；Drift is fixed on cope plate 1 by upper mounted plate 3 and fastener 2；Described cavity plate component includes irregular non-axle
Symmetrical cavity plate 7 and the sphere of movements for the elephants pintongs cavity plate 14 inside irregular non-axis symmetry cavity plate；Described lower die assembly bag
" ten " the word fixed plate 9 being connected containing lower template 10, with lower template, the special-shaped fixed plate 8 being connected with " ten " word fixed plate；Sphere of movements for the elephants
Pintongs cavity plate 14 is connected by special-shaped fixed plate 8 with irregular non-axis symmetry cavity plate 7；Special-shaped fixed plate 8 by fastener 2 with
" ten " word fixed plate 9 is fixedly connected；" ten " word fixed plate 9 is fixedly connected by fastener 2 with lower template 10；Lower template 10 passes through
Fastener 2 is with being assemblied on the lower table of forcing press；Described overall ejection linkage includes cylindrical push rod 11, place
" ten " font push rod 12 inside " ten " word fixed plate and the sphere of movements for the elephants jacking block 13 being engaged with sphere of movements for the elephants pintongs cavity plate；Cylinder
The end of shape push rod 11 and the liftout tank of forcing press connect；The top of cylindrical push rod 11 passes through lower template and " ten " font push rod
12 end connection；The top of " ten " font push rod 12 is connected with sphere of movements for the elephants jacking block 13.
Referring to shown in Fig. 1-10, described drift is divided into whole 15 two kinds of forming punch 4 and preform drift；
Referring to shown in Figure 11-12, described irregular non-axis symmetry cavity plate 7 is provided with asymmetric similar ellipse along central shaft
Circular die cavity 7-1；The die cavity 7-1 of similar ellipse is provided with pattern draft；
Referring to shown in Figure 13-14, described sphere of movements for the elephants pintongs cavity plate 14 is to form sphere of movements for the elephants shape cavity plate by the small cavity plate of pintongs；
The middle part of the small cavity plate of pintongs forms " ten " font die cavity 14-1；" ten " font die cavity 14-1 is provided with pattern draft；" ten " font
Die cavity 14-1 edge is rounded down；
Referring to shown in Fig. 1-4, described sphere of movements for the elephants jacking block is divided into 17 two kinds of thin sphere of movements for the elephants jacking block 13 and thick sphere of movements for the elephants jacking block；
Referring to shown in Fig. 1-4,18-19, the upper end of described irregular non-axis symmetry cavity plate 7 is provided with stop gauge；It is described
Stop gauge include bottom be provided with rectangular through holes cambered plate 5 and the striker plate 6 in rectangular through holes.
The concrete operation step of present embodiment is：
1st, bar material baiting；
2nd, homogenization heat treatment, magnesium alloy blank 16 is formed；
3rd, magnesium alloy blank is heated to forming temperature and be incubated, and compound crowded shaping dies is integrally preheating to magnesium alloy
More than blank temperature and it is incubated；
4th, the shaping dies after preheating insulation is arranged on forcing press；To sphere of movements for the elephants pintongs cavity plate 14, irregular non-axle
Symmetrical cavity plate 7, sphere of movements for the elephants jacking block 13 and the organic graphitic lubricant of the even application of preform drift 15；Homogenization heat treatment will be passed through
Magnesium alloy blank 16 be put into the die cavity of irregular non-axis symmetry cavity plate 7 (referring to shown in Fig. 2)；
5th, forcing press drives preform punch assemblies to move downward, the die cavity for making magnesium alloy blank 16 be formed in cavity plate component
Internal shaping preform extrusion 18；Magnesium alloy blank 16 is just being extruded into shape axial direction first in the presence of the pressure of preform drift 15
Sphere of movements for the elephants cross bar and radial direction upset process, then shape the circumference of irregular non-axis symmetry cavity plate (referring to Fig. 3 institutes
Show)；After preform, the thick sphere of movements for the elephants jacking block 17 of preform punch assemblies and ejection is laid down, then by whole forming terrace die component
Fixed by fastener and press ram, the thin sphere of movements for the elephants jacking block 13 of preheating is put into the die cavity of cavity plate component, then pressed
Power machine sliding block drives whole forming terrace die component to move downward, the preform extrusion 18 of Extruding die assembly type intracavitary；Preform
Extrusion 18 is just being extruded into the remaining sphere of movements for the elephants cross bar part of shape and is being extruded into counter first in the presence of the whole pressure of forming punch 4
The both sides " ear " of a part of extrusion of shape, it is finally counter to be extruded into the final shape of extrusion 19 of shape (referring to shown in Fig. 4)；
6th, press ram drives the upward motion of punch assemblies；Forcing press liftout tank moves upwards, makes overall ejection
Linkage moves upwards, the bottom of final extrusion 19 is risen to the port of export of irregular non-axis symmetry cavity plate 7, then
Take out；By punch assemblies and cavity plate component matched moulds, the fastening bolt being connected with press ram and lower table is unscrewed, unloaded
Fall mould.
Referring to shown in Fig. 1-4, present embodiment devises preform and two stages of shaping, combined die knot eventually
Structure and overall ejection linkage：By changing the thickness of sphere of movements for the elephants jacking block, " field " cross bar of interim contoured squeeze part
Part, make its shaping completely, streamline distribution is uniform, and formability is good, zero defect；Squeezed by preform and the shaping of whole shaping stage
It the circumference of casting die and the both sides " ear " of extrusion, can be good at controlling the flowing of metal, make two " ears " by uniformly anti-
Certain height is extruded into, the defects of not producing wrinkle, just differ；By the ejection linkage of entirety, make exchange thickness
Sphere of movements for the elephants jacking block becomes simple with feeding, simplifies overall operation；By reasonably designing irregular non-axis symmetry cavity plate
Pattern draft and the pattern draft and fillet of sphere of movements for the elephants pintongs cavity plate, the flowing of metal can be reasonably distributed, produced perfect
Streamline, defect is not caused, easy contoured squeeze part and pickup are easy；During extrusion shapes, blank experienced three changes
The shape stage：First, during preform, blank carries out the positive axially composite deformation with radial direction simultaneously；Second, when shaping the starting stage eventually,
Blank carry out simultaneously radially, positive axial direction and rotary-inversion axis to composite deformation；Third, when shaping ending phase eventually, blank carries out single
Backward extrusion deforms.After composite deformation of the blank by entirety, the crystal grain of its extrusion has substantially obtained mechanical refinement and performance obtains
Significant raising is arrived.
After such scheme, the present invention has the beneficial effect that：A kind of large-scale band lug magnesium alloy component of the present invention
Shaping dies, using irregular non-axis symmetry cavity plate, compound crowded smart structural design, good reliability, forming accuracy are high, are being molded
During, the preform stage reasonably controls the flowing of metal by preform drift, and the capacity distribution of metal is intact, so that
Whole shaping stage metal can perfectly flow, and get a desired effect, and form extrusion；And shaping side of the present invention
Method can effectively reduce forming technology, greatly improve production efficiency, cost-effective and improvement material structure performance.
It is described above, it is merely illustrative of the technical solution of the present invention and unrestricted, those of ordinary skill in the art are to this hair
The other modifications or equivalent substitution that bright technical scheme is made, without departing from the spirit and scope of technical solution of the present invention,
It all should cover among scope of the presently claimed invention.
Claims (7)
1. a kind of large-scale band lug magnesium alloy component shaping dies, it is characterised in that it includes the punch-pin being connected with press ram
The ejection linkage of component, lower die assembly and the cavity plate component being connected with forcing press substructure and entirety；Described
Punch assemblies include cope plate, upper mounted plate, drift；Cope plate is fixedly connected by fastener with the top shoe of forcing press；Punching
Head is fixed on cope plate by upper mounted plate and fastener；Described cavity plate component include irregular non-axis symmetry cavity plate and
Sphere of movements for the elephants pintongs cavity plate inside irregular non-axis symmetry cavity plate；Described lower die assembly includes lower template and lower mould
Connected " ten " the word fixed plate of plate, the special-shaped fixed plate being connected with " ten " word fixed plate；Sphere of movements for the elephants pintongs cavity plate is solid by abnormity
Fixed board is connected with irregular non-axis symmetry cavity plate；Special-shaped fixed plate is fixedly connected by fastener with " ten " word fixed plate；" ten "
Word fixed plate is fixedly connected by fastener with lower template；Lower template passes through fastener and the lower table for being assemblied in forcing press
On；Described overall ejection linkage includes cylindrical push rod, " ten " font push rod inside " ten " word fixed plate
And the sphere of movements for the elephants jacking block being engaged with sphere of movements for the elephants pintongs cavity plate；The end of cylindrical push rod and the liftout tank of forcing press connect；Circle
The top of cylindricality push rod is connected through lower template with the end of " ten " font push rod；The top of " ten " font push rod and sphere of movements for the elephants top
Block connects.
It is a kind of large-scale to be characterized in that described rush with lug magnesium alloy component shaping dies 2. according to claim 1
Head is divided into whole forming punch and preform and rushes first two.
A kind of 3. large-scale band lug magnesium alloy component shaping dies according to claim 1, it is characterised in that it is described not
Regular non-axis symmetry cavity plate is provided with the die cavity along the asymmetric similar ellipse of central shaft；The die cavity of similar ellipse is provided with
Pattern draft.
A kind of 4. large-scale band lug magnesium alloy component shaping dies according to claim 3, it is characterised in that it is described not
The upper end of regular non-axis symmetry cavity plate is provided with stop gauge；Described stop gauge includes the arch that bottom is provided with rectangular through holes
Plate and the striker plate in rectangular through holes.
5. a kind of large-scale band lug magnesium alloy component shaping dies according to claim 1, it is characterised in that described
Sphere of movements for the elephants pintongs cavity plate is to form sphere of movements for the elephants shape cavity plate by the small cavity plate of pintongs；The middle part of the small cavity plate of pintongs forms " ten " font type
Chamber；" ten " font die cavity is provided with pattern draft；The edge of " ten " font die cavity is rounded down.
6. a kind of large-scale band lug magnesium alloy component shaping dies according to claim 1, it is characterised in that described
Sphere of movements for the elephants jacking block is divided into two kinds of thin sphere of movements for the elephants jacking block and thick sphere of movements for the elephants jacking block.
A kind of 7. large-scale band lug magnesium alloy component shaping dies according to claim 1, it is characterised in that it is described not
The upper end of regular non-axis symmetry cavity plate is provided with stop gauge；Described stop gauge includes the arch that bottom is provided with rectangular through holes
Plate and the striker plate in rectangular through holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858741.7A CN107442589B (en) | 2017-09-13 | 2017-09-13 | A kind of large-scale band lug magnesium alloy component shaping dies |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710858741.7A CN107442589B (en) | 2017-09-13 | 2017-09-13 | A kind of large-scale band lug magnesium alloy component shaping dies |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107442589A true CN107442589A (en) | 2017-12-08 |
| CN107442589B CN107442589B (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710858741.7A Active CN107442589B (en) | 2017-09-13 | 2017-09-13 | A kind of large-scale band lug magnesium alloy component shaping dies |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600633A (en) * | 2021-08-04 | 2021-11-05 | 中北大学 | Extrusion forming die for cylindrical part with boss in appearance |
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| US5732586A (en) * | 1996-09-19 | 1998-03-31 | Ford Global Technologies, Inc. | Cold extrusion for helical gear teeth |
| CN1864881A (en) * | 2006-06-13 | 2006-11-22 | 中北大学 | Integral extrusion forming method for asymmetrical assembly parts and apparatus thereof |
| CN101474642A (en) * | 2008-10-24 | 2009-07-08 | 中北大学 | Multiway shaping method of magnesium alloy wheel and mold |
| CN102319757A (en) * | 2011-08-18 | 2012-01-18 | 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 |
| CN102527763A (en) * | 2010-12-08 | 2012-07-04 | 高雄应用科技大学 | Construction and design method of asymmetric product extrusion die of high-strength aluminum alloy |
| CN104588428A (en) * | 2014-12-16 | 2015-05-06 | 中北大学 | Circular channel and corner based extruding and moulding mold and circular channel and corner based extruding and moulding method of magnesium alloy cup-shaped component |
| CN106825098A (en) * | 2017-01-07 | 2017-06-13 | 中北大学 | A kind of differential-velocity extrusion shaping dies of magnesium alloy high-performance cup shell |
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2017
- 2017-09-13 CN CN201710858741.7A patent/CN107442589B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5732586A (en) * | 1996-09-19 | 1998-03-31 | Ford Global Technologies, Inc. | Cold extrusion for helical gear teeth |
| CN1864881A (en) * | 2006-06-13 | 2006-11-22 | 中北大学 | Integral extrusion forming method for asymmetrical assembly parts and apparatus thereof |
| CN101474642A (en) * | 2008-10-24 | 2009-07-08 | 中北大学 | Multiway shaping method of magnesium alloy wheel and mold |
| CN102527763A (en) * | 2010-12-08 | 2012-07-04 | 高雄应用科技大学 | Construction and design method of asymmetric product extrusion die of high-strength aluminum alloy |
| CN102319757A (en) * | 2011-08-18 | 2012-01-18 | 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 |
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| CN106825098A (en) * | 2017-01-07 | 2017-06-13 | 中北大学 | A kind of differential-velocity extrusion shaping dies of magnesium alloy high-performance cup shell |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113600633A (en) * | 2021-08-04 | 2021-11-05 | 中北大学 | Extrusion forming die for cylindrical part with boss in appearance |
| CN113600633B (en) * | 2021-08-04 | 2023-08-25 | 中北大学 | Extrusion forming die for cylindrical part with boss on appearance |
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| Publication number | Publication date |
|---|---|
| CN107442589B (en) | 2018-11-23 |
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