CN207709535U - A kind of rolling equipment of magnesium alloy plate - Google Patents
A kind of rolling equipment of magnesium alloy plate Download PDFInfo
- Publication number
- CN207709535U CN207709535U CN201820051040.2U CN201820051040U CN207709535U CN 207709535 U CN207709535 U CN 207709535U CN 201820051040 U CN201820051040 U CN 201820051040U CN 207709535 U CN207709535 U CN 207709535U
- Authority
- CN
- China
- Prior art keywords
- roll
- magnesium alloy
- incubator
- rolling equipment
- protective gas
- 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.)
- Expired - Fee Related
Links
- 229910000861 Mg alloy Inorganic materials 0.000 title claims abstract description 85
- 238000005096 rolling process Methods 0.000 title claims abstract description 43
- 230000001681 protective effect Effects 0.000 claims abstract description 38
- 238000003860 storage Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 238000005485 electric heating Methods 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 3
- 230000008520 organization Effects 0.000 abstract description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 7
- 229910052749 magnesium Inorganic materials 0.000 description 7
- 239000011777 magnesium Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002585 base Substances 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- 229910052684 Cerium Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- Metal Rolling (AREA)
Abstract
The utility model discloses a kind of rolling equipments of magnesium alloy plate; including first roll, second roll, incubator, protective gas storage tank and heater; first roll and second roll are symmetrical set; heater is connected with protective gas storage tank; protective gas storage tank is connected with incubator and can be passed through protective gas into incubator, and magnesium alloy blank is rolled by being transported between first roll and second roll after passing through in incubator.Before being rolled after the output of magnesium alloy blank self-heating stove; pass through in self-insurance incubator; at the same time; protective gas after being heated is passed through in incubator carries out heating and thermal insulation to magnesium alloy blank; avoid the problem that magnesium alloy blank leads to rolled plate nonuniform organization because of temperature decline; in such a way that heated protective gas keeps the temperature magnesium alloy blank, magnesium alloy blank can be made heated evenly, improve the Forming Quality of rolled plate.
Description
Technical field
The utility model is related to sheet metal rolling technical fields, are set more particularly to a kind of rolling of magnesium alloy plate
It is standby.
Background technology
Magnesium alloy is the alloy that other elements composition is added based on magnesium, its main feature is that：Density is small, and intensity is high, elasticity
Modulus is big, good heat dissipation, absorbs impact that load-carrying ability is bigger than aluminium alloy, and the corrosive nature of resistance to organic matter and alkali is good, major alloy member
It is known as aluminium, zinc, manganese, cerium, thorium and a small amount of zirconium or cadmium etc..Simultaneously as magnesium alloy has, electromagnetic wave shielding is good, damping shock absorption
The advantages that well and being easy to mechanical processing, has broad application prospects, China is in fields such as aerospace, automobile and electronic products
Magnesium resource big country, reserves and former magnesium export volume occupy first place in the world, but the life of magnesium alloy plate and proximate matter with high added value
Production technology relatively falls behind, and limits the application range of magnesium alloy.
Since the fusing point of magnesium alloy is relatively low, processability is poor under room temperature, and die casting performance is good, thus the processing of magnesium alloy with
Based on die casting, but the mechanical property of magnesium alloy die casting is undesirable, and surface quality is poor, and can not produce big and thin zero
Part.Preferably to utilize magnesium alloy, usually also need to carry out secondary operation to it using forging, rolling, extrusion etc..Magnesium alloy plate
One of the difficult point of material rolling technique is that rolling temperature range is relatively narrow, and magnesium alloy specific heat capacity is small, rapid heat dissipation, and Rolling Production magnesium closes
When golden plate, if roller surface temperature is too low, when magnesium plate and roll contact, magnesium plate temperature can reduce rapidly, and ductility is deteriorated,
Lead to roll plate to generate face crack and the different location of raw edges or even same blank there is also the temperature difference, the tissues of rolled plate
Uniformity is affected, and forms strong basal plane texture, and lumber recovery declines, and cost increases.
Therefore, how to solve in the prior art, rapid heat dissipation causes plate rolling lumber recovery in the magnesium alloy plate operation of rolling
Low problem is that those skilled in the art are urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of rolling equipment of magnesium alloy plate, exists to solve the above-mentioned prior art
The problem of, the structural homogenity of rolled plate is improved, to improve the lumber recovery of rolled plate.
To achieve the above object, the utility model provides following scheme：The utility model provides a kind of magnesium alloy plate
Rolling equipment, including first roll, second roll, incubator, protective gas storage tank and heater, the first roll and
The second roll be symmetrical arranged, the heater is connected with the protective gas storage tank, the protective gas storage tank and
The incubator is connected and can be passed through protective gas into the incubator, and magnesium alloy blank in the incubator by passing through
After be transported between the first roll and the second roll and rolled.
Preferably, temperature sensor is also set up in the incubator, the quantity of the temperature sensor is two groups, two groups of institutes
State the top and bottom that temperature sensor is respectively arranged at the incubator.
Preferably, the rolling equipment of magnesium alloy plate further includes electric heating wire, the electric heating wire and the heater phase
Even, the electric heating wire is wrapped in the outer surface of the incubator along the direction of travel of magnesium alloy blank.
Preferably, the first roll and the second roll are hollow-core construction, the first roll and described second
The inside of roll is respectively provided with heating rod, and the heating rod is connected with the heater.
Preferably, the rolling equipment of magnesium alloy plate further includes the first sleeve, and the first set jacket casing is set to described first
The outside of roll, first sleeve and the first roll clearance fit.
Preferably, groove, protrusion or discontinuous engraved structure are set on first sleeve.
Preferably, the rolling equipment of magnesium alloy plate further includes sleeve fixed cylinder, and the quantity of the sleeve fixed cylinder is two
A, two sleeve fixed cylinders are sheathed on the outside at first sleeve both ends respectively.
Preferably, the rolling equipment of magnesium alloy plate further includes guider, and the guider is set to the heat preservation
Between case and the first roll, the second roll, between the width of the guider and two sleeve fixed cylinders
Equivalent width.
Preferably, the rolling equipment of magnesium alloy plate further includes control device, the first roll, the second roll,
The incubator, the protective gas storage tank and the heater are connected with the control device.
The utility model achieves following technique effect compared with the existing technology：The magnesium alloy plate of the utility model rolls
Control equipment, including first roll, second roll, incubator, protective gas storage tank and heater, first roll and second roll
It is symmetrical set, heater is connected with protective gas storage tank, and protective gas storage tank is connected with incubator and can be to guarantor
The protective gas being passed through in incubator after heating, magnesium alloy blank are rolled by being transported to first roll and second after passing through in incubator
It is rolled between roller.Before being rolled after the output of magnesium alloy blank self-heating stove, pass through in self-insurance incubator, at the same time,
Protective gas after being heated is passed through in incubator, is carried out heating and thermal insulation to magnesium alloy blank, is avoided magnesium alloy blank because of temperature
The problem of decline leads to rolled plate nonuniform organization can make in such a way that heated protective gas keeps the temperature magnesium alloy blank
Magnesium alloy blank is heated evenly, improves the Forming Quality of rolled plate.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without having to pay creative labor, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the rolling equipment of the magnesium alloy plate of the utility model；
Fig. 2 is the structural schematic diagram of the roll of the magnesium alloy plate of the utility model, sleeve and sleeve fixed cylinder；
Fig. 3 is the structural schematic diagram of the guider of the magnesium alloy plate of the utility model；
Wherein, 1 is first roll, and 2 be second roll, and 3 be incubator, and 4 be protective gas storage tank, and 5 be heater, 6
It is electric heating wire for magnesium alloy blank, 7,8 be the first sleeve, and 9 be sleeve fixed cylinder, and 10 be guider.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The purpose of this utility model is to provide a kind of rolling equipment of magnesium alloy plate, exists to solve the above-mentioned prior art
The problem of, the structural homogenity of rolled plate is improved, to improve the lumber recovery of rolled plate.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
It is the structural schematic diagram of the rolling equipment of the magnesium alloy plate of the utility model, Fig. 2 to please refer to Fig.1 to Fig. 3, Fig. 1
For the roll of the magnesium alloy plate of the utility model, the structural schematic diagram of sleeve and sleeve fixed cylinder, Fig. 3 is the utility model
The structural schematic diagram of the guider of magnesium alloy plate.
The utility model provides a kind of rolling equipment of magnesium alloy plate, including first roll 1, second roll 2, incubator
3, protective gas storage tank 4 and heater 5, first roll 1 and second roll 2 are symmetrical arranged, and heater 5 is stored with protective gas
Tank 4 is connected, and protective gas storage tank 4 is connected with incubator 3 and can be passed through protective gas, magnesium alloy base into incubator 3
Material 6 is rolled by being transported between first roll 1 and second roll 2 after passing through in incubator 3.
Before being rolled after the output of 6 self-heating stove of magnesium alloy blank, pass through in self-insurance incubator 3, heater 5 and protection gas
Body storage tank 4 is connected, and protective gas storage tank 4 is connected with incubator 3, and the protective gas after being heated is passed through in incubator 3, right
Magnesium alloy blank 6 carries out heating and thermal insulation, and magnesium alloy blank 6 is avoided to lead to asking for rolled plate nonuniform organization because of temperature decline
Topic enables magnesium alloy blank 6 heated evenly, improves milled sheet in such a way that heated protective gas keeps the temperature magnesium alloy blank 6
The Forming Quality of material.In this embodiment, incubator 3 is flat box-like, and rear and front end respectively has opening for magnesium alloy base
Material 6 passes through, and protective gas storage tank 4 is connected with the inner cavity of incubator 3, and connectivity part is at the entrance of magnesium alloy blank 6, most
The heat transfer time that gas and magnesium alloy blank 6 after heating may be extended, improves working efficiency, heat is completed with magnesium alloy blank 6
The protective gas of exchange is flowed out by the exit of magnesium alloy blank 6, in order to energy saving, can be collected the gas of outflow again
It utilizes.
Specifically, temperature sensor is also set up in incubator 3, temperature sensor is used to perceive the internal temperature of incubator 3,
By the value that magnesium alloy blank 6 is calculated and absorbs heat to heat transfer, to reach the temperature of control magnesium alloy blank 6
Purpose, be its heating and thermal insulation, the quantity of temperature sensor is two groups, and two groups of temperature sensors are respectively arranged at incubator 3
Top and bottom judge whether temperature difference, can be used for calculating magnesium alloy for perceiving 3 inner cavity top and the bottom temperature of incubator
The upper and lower surface of blank 6 whether there is temperature difference and temperature gap.
In addition, the rolling equipment of magnesium alloy plate further includes electric heating wire 7, electric heating wire 7 is connected with heater 5, and electricity adds
Heated filament 7 is wrapped in the outer surface of incubator 3 along the direction of travel of magnesium alloy blank 6.The protective gas heated by heater 5 enters
When in incubator 3, hot transmission can be carried out therewith by encountering lower 3 inner wall of incubator of temperature, cause protective gas to magnesium alloy base
The control accuracy of material heating declines, in order to improve heating and thermal insulation efficiency of the protective gas to magnesium alloy blank 6, in incubator 3
Electric heating wire 7 is arranged in outer surface, and the shell of electric heating wire heater incubator 3 prevents incubator 3 from absorbing the heat of protective gas,
Improve the working efficiency of heat gas.
More specifically, first roll 1 and second roll 2 are hollow-core construction, the inside of first roll 1 and second roll 2
It is respectively provided with heating rod, heating rod is connected with heater 5, and (in this embodiment, heating rod can be by conducting wire and heating
Device 5 is connected, and should be noted and installs rotating element, such as collector ring between conducting wire and heater 5 additional, prevents first roll 1 and second from rolling
Occurs the chaotic problem of conducting wire torsion in 2 rotation process of roller).Set first roll 1 and second roll 2 to hollow roll,
The inside of first roll 1 and second roll 2 is put into heating rod, and heating rod is controlled by heater 5 and heated, and avoids magnesium alloy blank
6 occur hot transmission in the lower roll of Contact Temperature with it, influence the rolling quality of magnesium alloy blank 6, lead to rolled plate
Surface forming is of poor quality.
Wherein, the rolling equipment of magnesium alloy plate further includes the first sleeve 8, and the first sleeve 8 is sheathed on the outer of first roll
Portion, the first sleeve 8 and 1 clearance fit of first roll, the first sleeve 8 play the role of protecting first roll 1, extend first and roll
The service life of roller 1；Groove, protrusion are set in other specific implementation modes of the utility model, on the first sleeve 8 or do not connected
Continuous engraved structure (semilune is the hollow out shape on the first sleeve 8 in Fig. 3), the first sleeve 8 and 1 removable load of first roll
It connects, the planks such as diamond plate can be rolled out using the first sleeve 8.
Further, the rolling equipment of magnesium alloy plate further includes sleeve fixed cylinder 9, and the quantity of sleeve fixed cylinder 9 is two
A, two sleeve fixed cylinders 9 are sheathed on the outside at 8 both ends of the first sleeve respectively.Sleeve fixed cylinder 9 can prevent the first sleeve 8
It loosens or the first sleeve 8, while preventing to cause plate rolling to fail because generating relative displacement between first roll 1, improve good
Product rate.Importantly, the width of width, that is, rolled plate between two sleeve fixed cylinders 9, reduces rolled plate edge and lacks
It falls into, ensures the wide rolling of plank.
Matched with sleeve fixed cylinder, the rolling equipment of magnesium alloy plate further includes guider 10, guider 10
It is set between incubator 3 and first roll 1, second roll 2, between the width of guider 10 and two sleeve fixed cylinders
Equivalent width, guider 10 are located at supplied materials side, and guider 10 is oriented to the traveling process of magnesium alloy blank 6, ensures plate
The wide rolling of material matches with sleeve fixed cylinder 9 and solves the problems, such as that plank side is split.
Further, the rolling equipment of magnesium alloy plate further includes control device, and first roll 1, is protected at second roll 2
Incubator 3, protective gas storage tank 4 and heater 5 are connected with control device, and control device can monitor, parse acquisition magnesium conjunction
The temperature and state of golden blank 6, the setting personnel easy to operation of control device know the as-rolled condition of magnesium alloy blank 6 in time,
Mitigate operating personnel's work load.
The rolling equipment of the magnesium alloy plate of the utility model, including first roll 1, second roll 2, incubator 3, protection
Gas storage tanks 4 and heater 5, first roll 1 and second roll 2 are symmetrical arranged, heater 5 and 4 phase of protective gas storage tank
Even, protective gas storage tank 4 is connected with incubator 3 and can be passed through protective gas into incubator 3, magnesium alloy blank 6 by
It is transported between first roll 1 and second roll 2 and is rolled after passing through in incubator 3, avoid aluminum alloy blank 6 due to dissipating
Hot too fast the problem of causing the structural homogenity of rolled plate to reduce, the outside of first roll 1 is arranged first set cylinder 8, and first rolls
The 8 dismantled and assembled connection of roller 1 and the first sleeve, can be with the proximate matters such as rolled diamond plate, two end caps of the first sleeve 8 using the first sleeve 8
If sleeve fixed cylinder 9, the width between two sleeve fixed cylinders 9 is matched with guider 10, completes the wide rolling of plank,
It solves plank side to split, improves the Forming Quality of rolled plate comprehensively.
Specific case is applied in the utility model to be expounded the principles of the present invention and embodiment, it is above
The explanation of embodiment is merely used to help understand the method and its core concept of the utility model；Meanwhile for the one of this field
As technical staff, according to the utility model thought, there will be changes in the specific implementation manner and application range.To sum up
Described, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. a kind of rolling equipment of magnesium alloy plate, it is characterised in that：Including first roll, second roll, incubator, protection gas
Body storage tank and heater, the first roll and the second roll are symmetrical arranged, the heater and the protective gas
Storage tank is connected, and the protective gas storage tank is connected with the incubator and can be passed through protection gas into the incubator
Body, magnesium alloy blank are rolled by being transported between the first roll and the second roll after passing through in the incubator
System.
2. the rolling equipment of magnesium alloy plate according to claim 1, it is characterised in that：Temperature is also set up in the incubator
Sensor is spent, the quantity of the temperature sensor is two groups, and temperature sensor described in two groups is respectively arranged at the incubator
Top and bottom.
3. the rolling equipment of magnesium alloy plate according to claim 2, it is characterised in that：Further include electric heating wire, it is described
Electric heating wire is connected with the heater, and the electric heating wire is wrapped in the incubator along the direction of travel of magnesium alloy blank
Outer surface.
4. the rolling equipment of magnesium alloy plate according to claim 1, it is characterised in that：The first roll and described
Two rolls are hollow-core construction, and the inside of the first roll and the second roll is respectively provided with heating rod, the heating rod with
The heater is connected.
5. the rolling equipment of magnesium alloy plate according to claim 1, it is characterised in that：Further include the first sleeve, it is described
First set jacket casing is set to the outside of the first roll, first sleeve and the first roll clearance fit.
6. the rolling equipment of magnesium alloy plate according to claim 5, it is characterised in that：It is arranged on first sleeve recessed
Slot, protrusion or discontinuous engraved structure.
7. the rolling equipment of magnesium alloy plate according to claim 5, it is characterised in that：Further include sleeve fixed cylinder, institute
The quantity for stating sleeve fixed cylinder is two, and two sleeve fixed cylinders are sheathed on the outside at first sleeve both ends respectively.
8. the rolling equipment of magnesium alloy plate according to claim 7, it is characterised in that：Further include guider, it is described
Guider is set between the incubator and the first roll, the second roll, the width of the guider with
Equivalent width between two sleeve fixed cylinders.
9. according to the rolling equipment of claim 1-8 any one of them magnesium alloy plates, it is characterised in that：It further include control dress
It sets, the first roll, the second roll, the incubator, the protective gas storage tank and the heater are and institute
Control device is stated to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820051040.2U CN207709535U (en) | 2018-01-12 | 2018-01-12 | A kind of rolling equipment of magnesium alloy plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820051040.2U CN207709535U (en) | 2018-01-12 | 2018-01-12 | A kind of rolling equipment of magnesium alloy plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207709535U true CN207709535U (en) | 2018-08-10 |
Family
ID=63051734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820051040.2U Expired - Fee Related CN207709535U (en) | 2018-01-12 | 2018-01-12 | A kind of rolling equipment of magnesium alloy plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207709535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857253A (en) * | 2021-11-11 | 2021-12-31 | 太原理工大学 | Equipment and method for rolling magnesium/aluminum composite plate to inhibit edge cracking of magnesium alloy |
-
2018
- 2018-01-12 CN CN201820051040.2U patent/CN207709535U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113857253A (en) * | 2021-11-11 | 2021-12-31 | 太原理工大学 | Equipment and method for rolling magnesium/aluminum composite plate to inhibit edge cracking of magnesium alloy |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20180810 |