CN106623714A - Manufacturing method of magnesium alloy product - Google Patents
Manufacturing method of magnesium alloy product Download PDFInfo
- Publication number
- CN106623714A CN106623714A CN201610914001.6A CN201610914001A CN106623714A CN 106623714 A CN106623714 A CN 106623714A CN 201610914001 A CN201610914001 A CN 201610914001A CN 106623714 A CN106623714 A CN 106623714A
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- CN
- China
- Prior art keywords
- magnesium alloy
- mould
- die cavity
- alloy product
- manufacture method
- 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.)
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Classifications
-
- 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
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
-
- 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
- B21K29/00—Arrangements for heating or cooling during processing
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention relates to a manufacturing method of a magnesium alloy product. The manufacturing method comprises the steps of providing a mold, wherein the mold comprises an upper mold body and a lower mold body, the upper mold body is provided with a punch, the lower mold body is provided with a mold cavity, and the mold cavity is suitable for accommodating the punch; heating the mold, and making the temperature in the mold cavity increased to a preset temperature; placing a magnesium alloy blank into the heated mold cavity; pressing the upper mold body and the lower mold body, and making the punch located in the mold cavity, wherein the interval between the punch and the mold cavity is from 0.05 mm to 0.1 mm to make pressure exerted to the magnesium alloy blank in the mold cavity through the punch, so that the magnesium alloy blank forms the magnesium alloy product corresponding to the shape of the mold cavity in the mold cavity. Compared with the prior art, in the hot forging process, the preparing method of the magnesium alloy product makes the magnesium alloy blank placed in the almost sealed mold cavity for extrusion forming so as to avoid exceeding material overflow causing material waste, and the magnesium alloy product with precise size is prepared.
Description
Technical field
The invention relates to a kind of manufacture method of metallic article, and in particular to a kind of manufacturer of magnesium alloy product
Method.
Background technology
The material of common metal material is attached most importance to compared with plastics, but intensity is higher, if therefore using metal materials such as aluminum, magnesium, titaniums,
To can develop the product of light weight, high intensity.Also, due to magnesium alloy possess lightweight, thermal diffusivity it is good, can anti-electromagnetic interference, hard
The advantages of degree and plasticity are high, quickly emerged in the application of each industry already.
The processing of magnesium alloy materials had both been following very powerful and exceedingly arrogant industry, and the market of its outer casing member has great potentiality,
The various crucial molding process technology Jun You producer related to magnesium alloy materials launches research and development.In general, magnesium alloy
Forming technique has the technologies such as die casting, semi-solid-state shaping, forging, punching press.At present country's magnesium alloy product is shaped with die casting mostly,
But due to the die casting processing procedure workpiece thinner for thickness, its shaping difficulty is higher, and product fraction defective is relative to be lifted, and typically has heat
Split, aoxidize, the problem points that flow liner, intensity are not enough to be deformed with ejection occur, causing the follow-up work pole studied for a second time courses one has flunked, rebuild to expend people
Power, causes cost to improve.
On the other hand, because punching press processing procedure does the deformation and punching of local only for magnesium alloy sheet, it is impossible to by material
Deform to shape the section of change.That is, being limited in for stamping parts cannot form engaging portion, the undertaking of plastics must be coordinated
Part is glued or weld other components and just can be applied.
As for forging processing procedure, it can not only allow material to produce a large amount of deformations, make material local thinning or thickening, and then shape
Into the section of change, and the surface quality unusual light of forging, process sequent surface and be easy to operation.It follows that forging system
Journey is the value with actual development application, is worth being researched and developed.
Figure 1A is by the existing schematic diagram for carrying out the mould that warm and hot forging processing procedure is used.Figure 1B is existing use Figure 1A
The magnesium alloy product schematic diagram that forged of mould.Figure 1A is refer to, mould 100 includes upper mould 102 and lower mould
104, and it is existing to make the forging processing procedure of magnesium alloy product in, be that magnesium alloy stock 106 is placed in into lower mould 104
In die cavity 105, mould 102 is then made again, and down mould 104 is moved and bestows pressure to magnesium alloy stock 106, and magnesium is closed
Golden stock 106 is pressed into magnesium alloy product 110.In course of exerting pressure, sky can be left between upper mould 102 and lower mould 104
Between 108 allow unnecessary stock to overflow, therefore after pressure sizing, it is necessary to carry out trimming processing procedure to magnesium alloy product 110 again,
So that flash side 112 to be cut off.It follows that this kind of engineering method quite expends material cost and processing cost.
The content of the invention
The present invention provides a kind of manufacture method of magnesium alloy product, and with reduces cost, and accurately magnesium is closed to produce size
Golden product.
The present invention proposes a kind of manufacture method of magnesium alloy product, and the mould for including mould and lower mould is provided first, wherein
Mold has drift, and lower mould then has die cavity, to the drift for housing upper mould.Then, to this mould heating, so that in die cavity
Temperature is increased to preset temperature.Come again, magnesium alloy stock is inserted in die cavity.Then, upper mould is closed with lower molding, makes above-mentioned punching
Head is located in die cavity, and the gap between drift and die cavity inwall is between the mm of 0.05 mm to 0.1, thus by punching
Head presses the magnesium alloy stock to die cavity, so that magnesium alloy stock forms the magnesium alloy of the shape corresponding to die cavity in die cavity
Product.
In one embodiment of this invention, before heating to above-mentioned mould, the temperature of detecting mould is further included, and foundation is detectd
Result obtained by survey is heated to mould.
In one embodiment of this invention, above-mentioned mould is embedded with heating tube, and mould is carried out by this heating tube
Heating.
In one embodiment of this invention, above-mentioned magnesium alloy stock is crowded type magnesium alloy stock.
In one embodiment of this invention, before above-mentioned magnesium alloy stock is put into into die cavity, further include magnesium alloy embryo
Material is heated between 300 degree Celsius to 500 degree Celsius.Preferably, magnesium alloy stock is heated to into 350 degree Celsius to taking the photograph
Between 450 degree of family name.
In one embodiment of this invention, above-mentioned preset temperature is between 150 degree Celsius to 300 degree Celsius.
Preferably, above-mentioned preset temperature is between 180 degree to 250 degree Celsius.
In one embodiment of this invention, it is above-mentioned by upper mould with it is lower molding close the step of be pressed by hydraulic press it is supreme
Mould.
In one embodiment of this invention, the pressure speed of above-mentioned hydraulic press is between the mm/ of 10 mm/sec to 15
Between sec.
The manufacture method of the magnesium alloy product of the present invention is in the processing procedure of warm and hot forging, to make magnesium alloy stock be placed in almost close
Extrusion forming is carried out in the die cavity for closing, to avoid flash excessive and waste of materials, and size accurately magnesium alloy product is made.And
And, because the magnesium alloy product produced by the processing procedure by the present invention does not have flash side, process to cut without trimming is carried out again
Except flash, therefore except can further save processing cost, continuous forging flow lines can also be kept, and then with preferably
Tensile strength.
Description of the drawings
Figure 1A is by the existing schematic diagram for carrying out the mould that warm and hot forging processing procedure is used.
The magnesium alloy product schematic diagram that Figure 1B is forged by the mould of existing use Figure 1A.
Fig. 2 is the manufacturing process block chart of magnesium alloy product in one embodiment of the invention.
Fig. 3 A are the schematic diagram of the mould in one embodiment of the invention used in the manufacture method of magnesium alloy product.
Fig. 3 B are the schematic diagram of the magnesium alloy product made by the mould using Fig. 3 A.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, specific embodiment, structure to the manufacture method according to magnesium alloy product proposed by the present invention, spy
Levy and effect, describe in detail as after.
Fig. 2 is the manufacturing process block chart of magnesium alloy product in one embodiment of the invention, and Fig. 3 A are then the present invention one
Mould schematic diagram in embodiment used in the manufacture method of magnesium alloy product.Referring to Fig. 2 and Fig. 3 A, first
As described in step S210, there is provided mould 310.Specifically, the mould 310 of the present embodiment is by upper mould 312 and lower mould
314 are constituted, and mold has drift 311, and lower mould 314 then has die cavity 313, and die cavity 313 can house drift
311。
Then, as described in step S220, mould 310 is heated, is increased to the temperature in die cavity 313 default
Temperature.Specifically, this preset temperature is ranged approximately between 150 degree Celsius to 300 degree Celsius.Preferably, in this enforcement
Example, preset temperature is between 180 degree to 250 degree Celsius.
Come again, as described in step S230, in the die cavity 313 that magnesium alloy stock 302 is inserted after heating.In the present embodiment
In, magnesium alloy stock 302 is to squeeze type magnesium alloy stock.And, then magnesium alloy stock 302 is inserted before die cavity 313,
First magnesium alloy stock 302 can also be heated, so that its molecular structure becomes big and becomes the solid of softening.For example, magnesium
Alloy stock 302 was heated between 400 degree Celsius to 500 degree Celsius, and preferably before die cavity 313 is inserted
Be to be heated between 350 degree Celsius to 450 degree Celsius.
Then, as described in step S240, the supreme mould 312 of pressure is bestowed so as to press with lower mould 314, that is, pass through
Bestow makes drift 311 be moved in die cavity 313 in the pressure of upper mould 312, and is pressed to positioned at die cavity by drift 311
Magnesium alloy stock 302 in 313, so that it forms the magnesium alloy product of the shape of correspondence die cavity 313 in die cavity 313
304, as shown in Fig. 3 B.Specifically, when drift 311 is moved in die cavity 313, drift 311 and die cavity 313
There is the about clearance D of the mm of 0.05 mm to 0.1, the gas being beneficial in die cavity 313 is discharged since then between inwall.
Specifically, this enforcement utilizes hydraulic press（It is not shown）Bestowing the supreme mould 312 of pressure makes it be pressed on lower mould
On 314, and magnesium alloy stock 302 is to be fixed to and the shape identical magnesium alloy of die cavity 313 in die cavity 313
Product 304.
Afterwards, upper mould 312 is separated with lower mould 314, to take out integrally formed magnesium alloy product 304.In this reality
In applying example, hydraulic press is pressurizeed with the speed of the mm/sec of 10 mm/sec to 15 to magnesium alloy stock 302.
It is noted that due to die cavity 313 it is several during pressure sizing is carried out to magnesium alloy stock 302
Nearly confined space, only has the clearance D for discharging gas between upper mould 312 and lower mould 314, have no space be available for it is unnecessary
Magnesium alloy stock 302 overflow.And, to avoid the volume of magnesium alloy stock 302 and the volume error of die cavity 313 excessive
The thickness deviation of the magnesium alloy product 304 that impact is eventually fabricated, the present embodiment first calculates depanning in the way of Computer Simulation
The open ended stock amount in cave 313, to produce size precisely and there is the magnesium alloy product 304 of good mechanical strength.According to
This, after the magnesium alloy product 304 shaped is taken out from die cavity 313, it is only necessary to carry out burr removal procedure, will be trickle
Burr 304a excisions, and make the outward appearance of magnesium alloy product 304 more exquisite.
In sum, the present invention is in the processing procedure of warm and hot forging, to make magnesium alloy stock be placed in almost closed die cavity
Row extrusion forming, to avoid flash excessive and waste of materials, and makes size accurately magnesium alloy product.It is additionally, since and passes through
Magnesium alloy product produced by the processing procedure of the present invention does not have flash side, without the processing procedure for carrying out excision flash again, therefore except
Processing cost can be further saved, continuous forging flow lines can also be kept, and then with preferably tensile strength.
Additionally, the present invention is in one embodiment first magnesium alloy stock to be heated to about into 400 degree to Celsius 500 Celsius
Between degree, then it is placed in die cavity and carries out pressurization sizing, therefore made magnesium alloy product can have mechanical strength uniformly closely knit
Characteristic.
The above, is only embodiments of the invention, and any pro forma restriction is not made to the present invention, although this
Invention is disclosed above with embodiment, but is not limited to the present invention, any those skilled in the art, is not taking off
In the range of technical solution of the present invention, when making a little change using the technology contents of the disclosure above or be modified to equivalent variations
Equivalent embodiments, as long as being without departing from technical solution of the present invention content, according to the technical spirit of the present invention to above example
Any simple modification, equivalent variations and the modification made, still falls within the range of technical solution of the present invention.
Claims (10)
1. a kind of manufacture method of magnesium alloy product, including：
A mould is provided, the mould includes mould and once mould on one, the wherein mold has a drift, and the lower mould has a mould
Cave, and the die cavity is suitable to the accommodating drift；To the mould heating, the temperature in the die cavity is set to be increased to a preset temperature；By one
In the die cavity that magnesium alloy stock is inserted after heating；Mould on this and the lower molding are closed, the drift is located in the die cavity, and
Gap between the drift and the die cavity inwall between the mm of 0.05 mm to 0.1, to be pressed to this by the drift
Magnesium alloy stock in die cavity, so that the magnesium that the magnesium alloy stock forms the shape corresponding to the die cavity in the die cavity is closed
Golden product.
2. the manufacture method of the magnesium alloy product as described in claim 1, it is characterised in that：The mould is being heated
Before, the temperature for detecting the mould is further included, and the mould is heated according to the result obtained by detecting.
3. the manufacture method of the magnesium alloy product as described in claim 1, it is characterised in that：The mould is embedded with a heating
Pipe, and the mould is heated by the heating tube.
4. the manufacture method of the magnesium alloy product as described in claim 1, it is characterised in that：The magnesium alloy stock is crowded type magnesium
Alloy stock.
5. the manufacture method of the magnesium alloy product as described in claim 1, it is characterised in that：The magnesium alloy stock is being put into
Before the die cavity, further include and the magnesium alloy stock is heated between 300 degree Celsius to 500 degree Celsius.
6. the manufacture method of the magnesium alloy product as described in claim 5, it is characterised in that：The magnesium alloy stock is being put into
Before the die cavity, further include and the magnesium alloy stock is heated between 350 degree Celsius to 450 degree Celsius.
7. the manufacture method of the magnesium alloy product as described in claim 1, it is characterised in that：The preset temperature is between Celsius 150
Spend between 300 degree Celsius.
8. the manufacture method of the magnesium alloy product as described in claim 7, it is characterised in that：The preset temperature is between Celsius 180
Spend between 250 degree Celsius.
9. the manufacture method of the magnesium alloy product as described in claim 1, it is characterised in that：By mould on this and the lower molding
In the step of conjunction, pressed on this mould by a hydraulic press.
10. the manufacture method of the magnesium alloy product as described in claim 9, it is characterised in that：The pressure speed of the hydraulic press
It is situated between
Between the mm/sec of 10 mm/sec to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914001.6A CN106623714A (en) | 2016-10-20 | 2016-10-20 | Manufacturing method of magnesium alloy product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914001.6A CN106623714A (en) | 2016-10-20 | 2016-10-20 | Manufacturing method of magnesium alloy product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106623714A true CN106623714A (en) | 2017-05-10 |
Family
ID=58857012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914001.6A Withdrawn CN106623714A (en) | 2016-10-20 | 2016-10-20 | Manufacturing method of magnesium alloy product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106623714A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL441962A1 (en) * | 2022-08-08 | 2023-10-09 | Politechnika Warszawska | Method of forging a magnesium alloy forging with a hammer, in particular the stabilizer connector |
| PL441961A1 (en) * | 2022-08-08 | 2023-10-09 | Politechnika Warszawska | Method of shaping a forging made of magnesium alloys, in particular an automotive connector, using a hydraulic press |
| PL441964A1 (en) * | 2022-08-08 | 2023-10-09 | Politechnika Warszawska | Method of shaping a forging made of magnesium alloys, in particular a stabilizer connector, using a hammer |
| PL441963A1 (en) * | 2022-08-08 | 2023-10-09 | Politechnika Warszawska | Method of forging a shaped casting on a hydraulic press, especially for producing a forging of an automotive connector from magnesium alloys |
-
2016
- 2016-10-20 CN CN201610914001.6A patent/CN106623714A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL441962A1 (en) * | 2022-08-08 | 2023-10-09 | Politechnika Warszawska | Method of forging a magnesium alloy forging with a hammer, in particular the stabilizer connector |
| PL441961A1 (en) * | 2022-08-08 | 2023-10-09 | Politechnika Warszawska | Method of shaping a forging made of magnesium alloys, in particular an automotive connector, using a hydraulic press |
| PL441964A1 (en) * | 2022-08-08 | 2023-10-09 | Politechnika Warszawska | Method of shaping a forging made of magnesium alloys, in particular a stabilizer connector, using a hammer |
| PL441963A1 (en) * | 2022-08-08 | 2023-10-09 | Politechnika Warszawska | Method of forging a shaped casting on a hydraulic press, especially for producing a forging of an automotive connector from magnesium alloys |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |
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| WW01 | Invention patent application withdrawn after publication |