CN108817133A - A kind of magnesium alloy texture weakening apparatus and method - Google Patents
A kind of magnesium alloy texture weakening apparatus and method Download PDFInfo
- Publication number
- CN108817133A CN108817133A CN201810336644.6A CN201810336644A CN108817133A CN 108817133 A CN108817133 A CN 108817133A CN 201810336644 A CN201810336644 A CN 201810336644A CN 108817133 A CN108817133 A CN 108817133A
- Authority
- CN
- China
- Prior art keywords
- texture
- roller group
- magnesium alloy
- waveform
- aligning
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form
- B21D13/04—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form by rolling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to a kind of magnesium alloy texture weakening apparatus and method, which includes the components such as the identical upper roller group of roller diameter and lower roller group, and method includes initial aligning, waveform reduction texture and aligns three steps again.It specifically includes：Magnesium alloy sheet after hot rolling deformation is sent into aligning roller group parallel up and down first, the different degrees of bending that initial aligning is generated by rolling, the thin plate then moved forwards weakens texture area by waveform, obtains the straight magnesium alloy sheet with weak texture finally by aligning again.The device is by reasonably adjusting the position of upper and lower roller group, waveform space is formed between two groups of roll gap, it realizes magnesium alloy and rolls the undulation track of plate, so that (0002) basal plane texture is weakened, it is ingenious to solve the problems such as " following process deforms difficulty, using limited "；And the device and method simple process, reliable, application easy to spread.
Description
Technical field
The present invention relates to metal field, in particular to a kind of magnesium alloy texture weakening apparatus and method
Background technique
Magnesium alloy has specific strength height, specific stiffness height, electromagnetic shielding capability as most light engineering structure metal material
By force, the advantages that damping shock absorption is good, electrical and thermal conductivity is good and good recycling, in the fields such as automobile, space flight, communication light weight
All various aspects such as change, energy-saving and environmental protection obtain increasingly extensive application.However, passing through since magnesium alloy has close-packed hexagonal structure
After the plastic deformation such as rolling, crystal easily forms apparent preferred orientation, i.e. deformation texture.Especially magnesium alloy rolling plates,
Usually there is strong (0002) basal plane texture.Since this deformation texture is difficult to mitigate by rolling mill practice and annealing process
And elimination, cause following process deformation difficult, seriously limits the application prospect of magnesium alloy.Therefore, it is badly in need of developing a kind of operation
Simply, the device and method of the reduction magnesium alloy texture easily promoted and applied.The present invention horizontal straightener traditional by improvement,
Change crystallographic direction using sinusoidal, significantly weakens the deformation texture of magnesium alloy rolling plates；Also, apparatus of the present invention and
Method and process is simple, at low cost, is easy to produce in batches and promote and apply.
Summary of the invention
It is an object of the present invention to provide a kind of simple processes, reliable, and the magnesium alloy for being easy to produce in batches and promote and apply is knitted
Structure weakening apparatus and method.The device forms waveform space between two groups of roll gap by reasonably adjusting the position of upper and lower roller group,
It realizes magnesium alloy and rolls the undulation track of plate, so that (0002) basal plane texture is weakened, it is ingenious to solve " following process change
Shape is difficult, using limited " the problems such as.
The technical scheme is that：A kind of magnesium alloy texture weakening apparatus and method, it is characterised in that：The device is main
Constitute includes upper roller group, lower roller group；This method includes initial aligning, waveform reduction texture and aligns three steps again, preparation
Thin plate has weak texture, and specific step is as follows：
(1) initial aligning：Magnesium alloy sheet after hot rolling deformation is sent into aligning roller group parallel up and down, it is initial to rectify
Directly because of the different degrees of bending of rolling generation；
(2) waveform weakens texture：The position of roller group up and down is adjusted, waveform space is set, after step (1) initially aligning
Thin plate will realize texture attenuation by waveform space, form the thin plate with waveform；
(3) it aligns again：Step (2) thin plate after texture attenuation by parallel up and down aligns region again, is had
The straight magnesium alloy sheet of weak texture.
Preferably, the upper roller group and lower roller group are equal through roller, and the diameter range of roller is 50-300 millimeters；
Preferably, the step (1), step (2) and step (3) are completed on a platform of apparatus of the present invention, work
Skill process is convenient, fast；
Preferably, each roller of the upper roller group and lower roller group can be adjusted freely in upper and lower, left and right directions, and
Position is capable of fixing after adjustment；
Preferably, it is by raised portion upper roller respectively and to reduce under part that the step (2), which adjusts roller group position up and down,
Roller (as shown in Figure 1) sets waveform space；The waveform space is no less than 2 bend cycles；
Preferably, the roller group after the step (2) setting waveform space is with roller center point line (as shown in Figure 2 and Figure 3),
On four horizontal planes (1-4), the parallelogram angular range that roller group is formed is 60-90 degree；D12 is equal to d34, sizes values
It is related to the radius of roller group, if the range that setting roller diameter is R, d12 and d34 is R-1.732R, and the value of d23 by radius R and
Rolled plate thickness determines.
The present invention solves the problems, such as it there are possessed beneficial synergy：
(1) device is the improvement to common straightener parallel up and down, at low cost, energy conservation and environmental protection；
(2) present invention sets the waveform space of reduction texture by adjusting the position of upper and lower roller group, and due to each
Roller can be adjusted freely, what setting process was reversible and changed, and operation is simpler, controllable；
(3) compared to " by adjusting upper and lower roll revolving speed, predeformation amount and up-down rollers be staggered distance etc. parameters it is curved to set
The waveform space bending degree range of song deformation ", this method setting is wider, can set reasonable waveform arc according to plate thickness
Degree；
(4) present invention does not have the harm such as raw edges, pollution to the plate of initial roll forming in reduction texture deformation process；
(5) waveform of the present invention reduction texture and aligning again is completed on the same device, process flow simply, production efficiency
It is high；
Detailed description of the invention
Fig. 1 magnesium alloy texture weakening apparatus schematic diagram of the present invention
Label declaration：The upper roller group of 1-；Roller group under 2-；3- is initially aligned；4- waveform weakens texture；5- is aligned again；6- rolls plate
Traffic direction；7- alloy sheets.
Schematic diagram is arranged in Fig. 2 waveform space
Label declaration：1 layer of the upper roller group of 1-；2 layers of the upper roller group of 2-；3 layers of roller group under 3-；4 layers of roller group under 4-；5,6,7, tetra- layers of 8-
The parallelogram that roller center is formed；A- parallelogram angle；The spacing d12 of 1 layer and 2 layers of the upper roller group of 9-；The upper roller group 2 of 10-
The spacing d23 of 3 layers of layer and lower roller group；3 layers and 4 layers of roller group of spacing d34 under 11-.
One waveform space schematic diagram of Fig. 3 embodiment
Label declaration：It is identical as the label declaration of one waveform space schematic diagram of Fig. 2 embodiment.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing and according to figure embodiment.It is emphasized that following the description
It is only exemplary, the range and its application being not intended to be limiting of the invention.As shown in Figure 1, a kind of magnesium alloy of the present invention
Texture device and method is weakened, major part includes upper roller group (1) and lower roller group (2), and the radius of upper and lower roller group is identical, initially
State is parallel roller group up and down, i.e., common horizontal straightener state.Each roller in roller group can in upper and lower, left and right directions
Freely to adjust position, and can be fixed after adjusting.Fig. 2 is shown when magnesium alloy plate not being added, the wave that roller group fits closely
Schematic diagram is arranged in shape space.Roller radius is R, sets the distance between 1 layer and 2 layers of roller group d12 range as R-1.732R, lower roll
The distance between 3 layers and 4 layers of group d34 is identical as d12, and the distance of d23 depends on the thickness value d of d12 and alloy sheets, is (2R-
d12+d).Wherein, by 5-8 roller group at the angle of parallelogram be a, value range is 60-90 degree.
The present invention will initially align (3), waveform reduction texture (4) and align (5) three step designs again in a job
On platform, process is simple, convenient.When work, alloy sheets and upper and lower roller group are fitted closely.Magnesium alloy plate (7) by hot rolling
First by initially aligning (3) stage, the preliminary smooth arc deforming as caused by the operation of rolling, so that plate can smoothly enter into
Waveform space region；Then, the region by having set waveform space is bent by the alloy sheets moved forwards by traveling
Motion profile realizes that waveform weakens texture；Finally, obtaining the straight magnesium alloy plate with weak texture by aligning (5) again.
Embodiment one
A kind of magnesium alloy of the present invention is weakened into texture device and method, is rolled applied to a thickness of 2 millimeters of AZ31 magnesium alloy
Texture attenuation after system.The distance between 1 layer and 2 layers of roller group 100 millimeters of d12 range in setting, while 3 layers and 4 layers of lower roller group
The distance between d34 be also 100 millimeters.When AZ31 alloy sheets not being added, the waveform space setting of roller group is as shown in Figure 3.At this point,
Each roller fits closely, and 5-8 roller forms equilateral parallelogram, and side length is 200 millimeters, and parallelogram angle is at this time
60 degree, the value of d23 is 102 ± 0.2 millimeters.AZ31 alloy sheets by hot rolling are successively knitted by initial aligning, waveform reduction
Structure and three steps are aligned again, form the straight alloy sheets with weak texture.At room temperature before and after test waveform reduction texture
Basal plane texture intensity, discovery AZ31 plate basal plane maximum intensity be down to 6.5 by 19.2, texture attenuation is significant.
Embodiment two
A kind of magnesium alloy of the present invention is weakened into texture device and method, is rolled applied to a thickness of 3 millimeters of AZ61 magnesium alloy
Texture attenuation after system.The distance between 1 layer and 2 layers of roller group d12 is set as 150 millimeters, at the same 3 layers and 4 layers of lower roller group it
Between distance d34 be also 150 millimeters, the value of d23 is 53 ± 0.2 millimeters.AZ61 alloy sheets by hot rolling are successively passed through just
Beginning aligning, waveform weaken texture and align three steps again, form the straight alloy sheets with weak texture.It tests at room temperature
Waveform weakens the basal plane texture intensity before and after texture, and the basal plane maximum intensity of discovery AZ61 plate is down to 7.0 by 18.6, texture attenuation
Significantly.
Embodiment three
A kind of magnesium alloy of the present invention is weakened into texture device and method, applied to the AZ31 magnesium alloy with a thickness of 2.8 millimeters
Texture attenuation after rolling.The distance between 1 layer and 2 layers of roller group d12 is set as 150 millimeters, while 3 layers and 4 layers of lower roller group
The distance between d34 be also 150 millimeters, the value of d23 is 52.8 ± 0.2 millimeters.AZ31 alloy sheets by hot rolling successively pass through
It crosses initial aligning, waveform reduction texture and aligns three steps again, form the straight alloy sheets with weak texture.At room temperature
Test waveform weakens the basal plane texture intensity before and after texture, and the basal plane maximum intensity of discovery AZ31 plate is down to 11.3 by 19.8, is knitted
Structure reduction is significant.
Example IV
Texture device and method is weakened using a kind of magnesium alloy of the present invention, it is more to pure Mg, AZ31, AZ61, AZ80, AZ91 etc.
The magnesium alloy rolling plates of the kind trade mark and multi-thickness carry out texture attenuation, and the magnesium alloy plate basal plane texture of acquisition is significantly weak
Change, and sheet edge is good, surface is completely pollution-free.
The main preparation parameter of 1 example IV of table
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Mode, technical field those of ordinary skill within the scope of knowledge, present inventive concept can also not departed from
Under the premise of various changes can be made.
Claims (5)
1. a kind of magnesium alloy texture weakening apparatus and method, it is characterised in that：The device main composition include upper roller group (1), under
Roller group (2) forms waveform space between two groups of roll gap, realizes magnesium alloy and roll by reasonably adjusting the position of upper and lower roller group
(0002) basal plane texture is weakened in the undulation track of plate, ingenious to solve " following process deforms difficulty, using limited " etc.
Problem；This method includes initial aligning (3), waveform reduction texture (4) and aligns (5) three steps again, and the thin plate of preparation has
Weak texture, specific step is as follows：
(1) initial aligning：Magnesium alloy sheet after hot rolling deformation is sent into parallel aligning roller group up and down, initially align because
Roll the different degrees of bending generated；
(2) waveform weakens texture：The position of roller group up and down is adjusted, waveform space is set, it is thin after step (1) initially aligning
Plate will realize texture attenuation by waveform space, form the thin plate with waveform；
(3) it aligns again：Step (2) thin plate after texture attenuation by parallel up and down aligns region again, and obtaining has weak knit
The straight magnesium alloy sheet of structure.
2. a kind of magnesium alloy texture weakening apparatus and method according to claim 1, it is characterised in that：The upper roller group (1)
It is to wait through roller with lower roller group (2), the diameter range of roller is 50-300 millimeters.
3. according to a kind of magnesium alloy texture weakening apparatus and method according to claim 1, it is characterised in that：The step
(1), step (2) and step (3) are completed on a platform of apparatus of the present invention, and process flow is convenient, fast.
4. a kind of magnesium alloy texture weakening apparatus and method according to claim 1, it is characterised in that：The upper roller group (1)
It can freely be adjusted with each roller of lower roller group (2) in upper and lower, left and right directions, and be capable of fixing position after adjusting.
5. a kind of magnesium alloy texture weakening apparatus and method according to claim 1, it is characterised in that：The step (2) is adjusted
Whole roller group position up and down is to set waveform space by raised portion upper roller respectively and reduction part lower roll (as shown in Figure 1)；
The waveform space is no less than 2 bend cycles.
A kind of magnesium alloy texture weakening apparatus and method according to claim 1, it is characterised in that：Step (2) setting
Roller group after waveform space is with roller center point line (as shown in Figure 2 and Figure 3), on four horizontal planes (1-4), what roller group was formed
Parallelogram angular range is 60-90 degree；D12 is equal to d34, and sizes values are related to the radius of roller group, if setting roller diameter is
R, then the range of d12 and d34 is R-1.732R, and the value of d23 is determined by radius R and rolled plate thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336644.6A CN108817133A (en) | 2018-04-17 | 2018-04-17 | A kind of magnesium alloy texture weakening apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810336644.6A CN108817133A (en) | 2018-04-17 | 2018-04-17 | A kind of magnesium alloy texture weakening apparatus and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108817133A true CN108817133A (en) | 2018-11-16 |
Family
ID=64154381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810336644.6A Pending CN108817133A (en) | 2018-04-17 | 2018-04-17 | A kind of magnesium alloy texture weakening apparatus and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108817133A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508617A (en) * | 2019-08-06 | 2019-11-29 | 太原理工大学 | The wrinkle rolling thinning device and processing method of weak basal plane texture magnesium alloy plate and belt |
| CN110860559A (en) * | 2019-11-25 | 2020-03-06 | 重庆理工大学 | Device for changing texture of magnesium alloy plate |
| CN112899455A (en) * | 2021-01-18 | 2021-06-04 | 中国兵器工业第五九研究所 | Novel metal sheet modification system and method based on current energy field assistance |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070079913A1 (en) * | 2005-10-07 | 2007-04-12 | Krajewski Paul E | Method for improving formability of hexagonal close packed metals |
| CN102127724A (en) * | 2010-11-11 | 2011-07-20 | 中南大学 | Method for preparing magnesium alloy plate strip with grain size in symmetric gradient distribution along plate thickness direction |
| CN102154597A (en) * | 2011-02-22 | 2011-08-17 | 中南大学 | Processing method for refining crystal grains and improving texture of double surface layers of magnesium alloy plate strip |
| CN102744902A (en) * | 2012-05-07 | 2012-10-24 | 罗凯 | Soft and hard roller continuous cyclic bending method and device |
| DE102011056560A1 (en) * | 2011-12-16 | 2013-06-20 | Mgf Magnesium Flachprodukte Gmbh | Producing low basal textured magnesium tape or magnesium sheet having improved cold formability, comprises rolling magnesium castable roll tape, rolling rolled tape or sheet in final rolling pass, heat treating, and bending |
| CN105290108A (en) * | 2015-11-30 | 2016-02-03 | 太原科技大学 | Magnesium alloy sheet strip coupling and deformation combined rolling system and rolling method thereof |
| CN105755411A (en) * | 2016-04-25 | 2016-07-13 | 重庆科技学院 | Method for weakening magnesium alloy plate texture |
-
2018
- 2018-04-17 CN CN201810336644.6A patent/CN108817133A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070079913A1 (en) * | 2005-10-07 | 2007-04-12 | Krajewski Paul E | Method for improving formability of hexagonal close packed metals |
| CN102127724A (en) * | 2010-11-11 | 2011-07-20 | 中南大学 | Method for preparing magnesium alloy plate strip with grain size in symmetric gradient distribution along plate thickness direction |
| CN102154597A (en) * | 2011-02-22 | 2011-08-17 | 中南大学 | Processing method for refining crystal grains and improving texture of double surface layers of magnesium alloy plate strip |
| DE102011056560A1 (en) * | 2011-12-16 | 2013-06-20 | Mgf Magnesium Flachprodukte Gmbh | Producing low basal textured magnesium tape or magnesium sheet having improved cold formability, comprises rolling magnesium castable roll tape, rolling rolled tape or sheet in final rolling pass, heat treating, and bending |
| CN102744902A (en) * | 2012-05-07 | 2012-10-24 | 罗凯 | Soft and hard roller continuous cyclic bending method and device |
| CN105290108A (en) * | 2015-11-30 | 2016-02-03 | 太原科技大学 | Magnesium alloy sheet strip coupling and deformation combined rolling system and rolling method thereof |
| CN105755411A (en) * | 2016-04-25 | 2016-07-13 | 重庆科技学院 | Method for weakening magnesium alloy plate texture |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110508617A (en) * | 2019-08-06 | 2019-11-29 | 太原理工大学 | The wrinkle rolling thinning device and processing method of weak basal plane texture magnesium alloy plate and belt |
| CN110860559A (en) * | 2019-11-25 | 2020-03-06 | 重庆理工大学 | Device for changing texture of magnesium alloy plate |
| CN112899455A (en) * | 2021-01-18 | 2021-06-04 | 中国兵器工业第五九研究所 | Novel metal sheet modification system and method based on current energy field assistance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108817133A (en) | A kind of magnesium alloy texture weakening apparatus and method | |
| CN107962075A (en) | The cold rolling process of high grade non-oriented silicon steel hot rolling acid-cleaning not cutting edge | |
| CN114226461B (en) | Magnesium alloy plate strip different-temperature different-speed coordinated rolling device and application | |
| CN102699023A (en) | Plate shape control method of hot-rolling and coiled-rolling steel plate of single-rack steekle mill | |
| CN104438355A (en) | Hot rolling flattening technology for eliminating strip steel wave shape defects | |
| CN105290108A (en) | Magnesium alloy sheet strip coupling and deformation combined rolling system and rolling method thereof | |
| CN109280871B (en) | Method for controlling spangle size of galvanized sheet | |
| CN105132653A (en) | Method for reinforcing metal through roll bending and combined deformation | |
| CN102806234B (en) | Control method for angular rolling biting inclination angle | |
| CN102000695B (en) | Rolling method of sheet metal | |
| CN103230943B (en) | Improve the method for Warping Phenomenon in Plate Rolling Process | |
| Su et al. | Research on roll forming process based on five-boundary condition forming angle distribution function | |
| CN2863738Y (en) | Reverse screw thread rolling shaft | |
| CN206015022U (en) | A kind of device for preventing quenched rail bending from upwarping | |
| CN108637015A (en) | A kind of high efficiency environmental protection asynchronous rolling machine | |
| CN209217587U (en) | Cable pavement guide device for rotation angle well | |
| CN203110232U (en) | Blade coating calender | |
| CN206925819U (en) | Electric screwdriver fixing tool | |
| CN106623440B (en) | A kind of Varied section cold-reduced sheet milling method and device | |
| CN109127781B (en) | Flattening plate type process for cold rolling titanium coil | |
| CN206607152U (en) | Additional locking devices | |
| CN206240936U (en) | A kind of Varied section cold-reduced sheet rolling device | |
| CN202543296U (en) | Galvalume plate continuous production line | |
| CN206199909U (en) | A kind of device for loading cold rolled steel coil | |
| CN206262975U (en) | A kind of hot-rolling mill leveling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181116 |
|
| RJ01 | Rejection of invention patent application after publication |