CN115228935A - Cold rolling process method for high-strength aluminum alloy ribbed thin-wall plate - Google Patents
Cold rolling process method for high-strength aluminum alloy ribbed thin-wall plate Download PDFInfo
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- CN115228935A CN115228935A CN202210795632.6A CN202210795632A CN115228935A CN 115228935 A CN115228935 A CN 115228935A CN 202210795632 A CN202210795632 A CN 202210795632A CN 115228935 A CN115228935 A CN 115228935A
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 83
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000005097 cold rolling Methods 0.000 title claims abstract description 21
- 238000005096 rolling process Methods 0.000 claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 55
- 239000010959 steel Substances 0.000 claims abstract description 55
- 238000010791 quenching Methods 0.000 claims abstract description 7
- 230000000171 quenching effect Effects 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000004140 cleaning Methods 0.000 claims abstract description 3
- 239000012535 impurity Substances 0.000 claims abstract description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000003483 aging Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000003825 pressing Methods 0.000 description 8
- 229910000760 Hardened steel Inorganic materials 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000009864 tensile test Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000001989 lithium alloy Substances 0.000 description 3
- JFBZPFYRPYOZCQ-UHFFFAOYSA-N [Li].[Al] Chemical compound [Li].[Al] JFBZPFYRPYOZCQ-UHFFFAOYSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- FCVHBUFELUXTLR-UHFFFAOYSA-N [Li].[AlH3] Chemical compound [Li].[AlH3] FCVHBUFELUXTLR-UHFFFAOYSA-N 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- WPPDFTBPZNZZRP-UHFFFAOYSA-N aluminum copper Chemical compound [Al].[Cu] WPPDFTBPZNZZRP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
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- 238000011161 development Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
- C21D1/60—Aqueous agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B2001/081—Roughening or texturing surfaces of structural sections, bars, rounds, wire rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
- B21B2001/386—Plates
Abstract
The invention discloses a cold rolling process method of a high-strength aluminum alloy ribbed thin-wall plate, which specifically comprises the following steps of: the method comprises the following steps: cleaning the surfaces of the aluminum alloy plate, the upper hard steel plate and the lower hard steel plate and removing surface impurities; step two: after carrying out solution treatment and water quenching on the aluminum alloy plate treated in the step one, placing the aluminum alloy plate between an upper hard steel plate and a lower hard steel plate, and fixing the aluminum alloy plate by using a fixing device; one side of the upper hard steel plate close to the aluminum alloy plate is provided with a groove, and the surface of the lower hard steel plate is flat; step three: and (4) rolling the aluminum alloy plate fixed in the second step along the original rolling direction at room temperature to obtain the aluminum alloy ribbed thin-wall plate. According to the method, the high-strength aluminum alloy plate is clamped between the two hard steel plates, the upper hard steel plate is a die with a groove, and then single-pass or multi-pass rolling is carried out at room temperature to roll the aluminum alloy into the thin-walled plate with the ribs.
Description
Technical Field
The invention relates to the technical field of nonferrous metal material processing engineering, in particular to a cold rolling process method of a high-strength aluminum alloy ribbed thin-wall plate.
Background
In the field of aerospace, the manufacturing technology of large-sized airplanes is always the key technology for the key development of our country. In order to meet the performance requirements of modern large-scale airplanes, the processing and forming of airplane parts are developed towards the manufacturing direction of structures with low stress, small deformation and long service life; from single part fabrication, advances are being made to monolithic structure fabrication techniques. The large-scale integral structural member represented by the large-scale integral ribbed thin-walled plate structure has very important influence on the service life, the structural efficiency, the cost and the period of the large-scale airplane. The large integral wallboard with the complex structure has the characteristics of thick skin, high ribs, gridding structure, high integral integration level, high structural rigidity, difficulty in forming and the like, so the manufacturing technology for the integral wallboard part with the complex shape and structure becomes one of the key manufacturing technologies of modern advanced airplanes.
However, the ribbed thin-walled plate member is very difficult to manufacture because of strict performance requirements, high forming precision requirements and a complex structure. The ribbed thin-wall plate is usually assembled by riveting, gluing or spot welding of a skin and longitudinal and transverse reinforcing ribs, and the assembled wall plate has poor rigidity, strength and sealing property. The integral ribbed thin-wall plate structural member has the advantages of reducing the number of contained parts and fasteners such as bolts, rivets and the like, thereby reducing the weight of machine body parts, improving the strength and rigidity of the parts and improving the assembly quality of pneumatic surfaces and shapes. Although the integral thin-walled plate with the ribs has many advantages, compared with a riveted wallboard, the forming difficulty is multiplied due to the participation of the ribs, and the existing integral thin-walled plate with the ribs mainly has the following processes, but has obvious defects:
1. the thick plate milling manufacturing process has high processing precision, but has the defects of large machining amount, low material utilization rate and high manufacturing cost, so that the requirement of efficient and rapid manufacturing is difficult to meet, and the plate blank is directly processed by milling manufacturing, so that the performance is poor;
2. the extrusion forming has the defects of high extrusion difficulty and high volatility of the ribs, and the large ribbed thin-walled plate member cannot be processed, so the application is limited;
3. the cast forming component has limited application because of poor mechanical property;
4. although the traditional rolling process has low production cost and simple operation, the rolled components are mostly flat plate frameworks with simple structures, and the components with complex shapes, such as ribbed thin-wall plates, are difficult to manufacture.
Therefore, a forming method for a high-strength aluminum alloy ribbed thin-wall plate is needed, so that an excellent formed component is expected to be applied to aerospace equipment.
Disclosure of Invention
In view of the defects, the invention provides a high-strength aluminum alloy ribbed thin-wall plate cold-rolling process method, the high-strength aluminum alloy ribbed thin-wall plate is clamped between two hard steel plates, wherein the upper hard steel plate is a die with a groove, and then single-pass or multi-pass rolling is carried out at room temperature to roll the aluminum alloy into a ribbed thin-wall plate.
In order to achieve the aim, the invention provides a cold rolling process method of a high-strength aluminum alloy ribbed thin-wall plate, which is characterized by comprising the following steps:
the method comprises the following steps: cleaning the surfaces of the aluminum alloy plate, the upper hard steel plate and the lower hard steel plate and removing surface impurities;
step two: after carrying out solution treatment and water quenching on the aluminum alloy plate treated in the step one, placing the aluminum alloy plate between an upper hard steel plate and a lower hard steel plate, and fixing the aluminum alloy plate by using a fixing device; one side of the upper hard steel plate, which is in contact with the aluminum alloy plate, is provided with a groove, and the surface of the lower hard steel plate is flat;
step three: and (4) rolling the aluminum alloy plate fixed in the fixing mode in the second step along the original rolling direction at room temperature to obtain the aluminum alloy ribbed thin-wall plate.
According to one aspect of the invention, the rolling in the third step is multi-pass rolling, the rolling reduction of the first rolling in the multi-pass rolling is 40-60%, and the rolling reduction of the non-first rolling in the multi-pass rolling is 5-10%.
According to one aspect of the invention, the aluminum alloy thin-walled plate with ribs obtained in the third step comprises a plate and ribs integrally connected to the plate, and the thickness of the plate and the height of the ribs need to be measured after each rolling in the third step until the rolling is finished after the requirements are met.
According to one aspect of the present invention, the fixing means is a thin iron wire binding both ends of the upper and lower hard steel plates to hold the aluminum alloy plate material in the middle.
According to one aspect of the present invention, the width of the groove of the upper hard steel plate is 5 to 20mm, and the depth of the groove is 5 to 15mm.
According to one aspect of the invention, the upper hardened steel plate has a thickness of 10 to 15mm and the lower hardened steel plate has a thickness of 1 to 2mm.
According to one aspect of the invention, the temperature of the solution treatment in the second step is 400-600 ℃ and the time is 0.5-3h.
In accordance with one aspect of the present invention, the hardness of each of the upper and lower hard steel plates is greater than 50HRC.
According to one aspect of the invention, the groove of the upper hard steel plate is provided with a chamfer having a radius of 1-5mm.
In accordance with one aspect of the invention, the aluminum alloy sheet material is an age-hardening aluminum alloy.
The invention has the beneficial effects that:
(1) According to the method, a large amount of dislocation is introduced by cold rolling the aluminum alloy plate at room temperature, so that the ribbed thin-walled plate with high dislocation density is obtained, and the integral performance of the wall plate is obviously improved compared with that of a hot rolled wall plate;
(2) According to the method, the aluminum alloy plate is fixed in the middle of the hard steel plate, the groove is formed in the hard steel plate above the aluminum alloy plate, when the aluminum alloy plate is thinned into the wall plate, the aluminum alloy plate flows to the groove by utilizing the extrusion effect of the rolling mill to be filled with ribs, so that the integral processing of the ribbed thin-walled plate is realized, the processing flow of a component is simplified, and the production efficiency is improved;
(3) According to the method, the upper hard steel plate, the lower hard steel plate and the aluminum alloy plate are combined for rolling, the shear stress along the rolling direction is converted into the normal compressive stress in the rolling process, and the cracking problem in the rolling process is reduced;
(4) The multi-pass rolling process combining large rolling reduction and small rolling reduction is adopted during rolling, the ribbed thin-walled plate is uniform in overall deformation and good in formability, and compared with the traditional multi-pass rolling, the multi-pass rolling method has the advantages of weakening texture and improving tissue uniformity, so that the mechanical property of the alloy is improved.
(5) Compared with mechanical processing, the material utilization rate is higher, and the cost is greatly reduced; compared with a welding process, the integral forming greatly improves the comprehensive performance of the obtained ribbed thin-walled plate; compared with casting technology, the wallboard has good formability, improved comprehensive performance and wide application range.
Drawings
FIG. 1 is a graph comparing the mechanical properties of the ribbed wallboard of examples 1-3;
FIG. 2 is a schematic view of a process for rolling an aluminum alloy plate thin-walled plate with ribs;
FIG. 3 is a schematic view of the combination rolling of the upper and lower hard steel plates and the aluminum alloy plate according to the present invention.
Description of the drawings: 1. mounting a hard steel plate; 2. an aluminum alloy thin-walled plate with ribs; 3. a lower hard steel plate; 4. aluminum alloy plate; 5. a groove; 6. a plate material; 7. ribs; 8. an upper roller; 9. and (5) rolling the lower roller.
Detailed Description
In order that the invention may be more readily understood, reference will now be made to the following examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention, and it should be understood that the described examples are only a portion of the examples of the present invention, rather than the entire scope of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention. Unless otherwise defined, the terms used hereinafter are consistent with the meaning understood by those skilled in the art; unless otherwise specified, the starting materials referred to herein may be purchased from commercial sources or prepared by well-known methods.
The invention discloses an integral ribbed thin-wall plate prepared by a method of overlapping and cold rolling of a hard steel plate with a groove, an aluminum alloy plate and a hard steel plate, wherein the rolling process is shown as a figure 2, and the schematic drawing of the combination rolling of an upper hard steel plate, a lower hard steel plate and an aluminum alloy plate is shown as a figure 3. Fixing the solution-quenched thin-walled aluminum alloy plate 4 with the ribs through an upper hard steel plate 1 and a lower hard steel plate 3, binding two ends of the upper hard steel plate 1 and the lower hard steel plate 3 through thin iron wires to clamp the middle aluminum alloy plate 4, designing a groove 5 on one side of the upper hard steel plate 1, which is in contact with the aluminum alloy plate 4, and arranging the groove 5 along the original rolling direction; the lower hard steel plate 3 has a smooth surface; rolling the fixed aluminum alloy plate 4, the upper hard steel plate 1 and the lower hard steel plate 3 as a whole by adopting a cold rolling mill, wherein the cold rolling mill is provided with an upper roller 8 and a lower roller 9 for rolling; the upper hardened steel plate 1, the aluminum alloy plate 4 and the lower hardened steel plate 3 are stacked in sequence and rolled as a whole and pass through the space between the upper roller 8 and the lower roller 9 so that the aluminum alloy plate 4 is rolled into the thin-walled plate 2 with ribs, and the part of the thin-walled plate which passes through the upper roller and the lower roller and is being rolled is not shown in fig. 2 (the upper hardened steel plate and the lower hardened steel plate are not interrupted before and after rolling).
The aluminium alloy sheets used in the examples and comparative examples according to the invention have dimensions of 400mm x 300mm and a thickness of 10mm, and the aluminium alloys refer to age-hardening aluminium alloys, including aluminium-lithium alloys, 2 xxx-series, 6 xxx-series and 7 xxx-series. The upper hard steel plate is 400mm multiplied by 300mm in size, 15mm in thickness and provided with two grooves, the depth of each groove is 10mm, the width of each groove is 8mm, the edges of the grooves are provided with round chamfers with the radius of 2mm, the lower hard steel plate is 400mm multiplied by 300mm in size, and the thickness of each groove is 1mm. The rolling mill used for rolling is a two-roll cold rolling mill, the model diameter of which is 420 multiplied by 350mm, the rolling force is 1800KN, the rolling speed is 0.45m/s, the motor power is 185W, and the size of the finished product is 1 plus or minus 0.2mm.
The aluminum alloy ribbed thin-wall plate comprises a plate and ribs integrally connected to the plate, and the pressing amount of the aluminum alloy ribbed thin-wall plate is the pressing amount of the aluminum alloy ribbed thin-wall plate relative to the aluminum alloy plate.
Example 1
Carrying out solid solution treatment on a commercial AA2219 aluminum-copper alloy plate in an air circulation resistance furnace at 535 ℃ for 45min, and immediately carrying out water quenching to obtain a quenched aluminum alloy plate; then, carrying out multi-pass rolling along the original rolling direction at room temperature, setting the first pressing amount to be 6mm, setting the pressing amount to be 1mm each time, measuring the thickness and the rib height of the plate by using a vernier caliper after each time of rolling until the plate is thinned to 2mm, and then carrying out a tensile test experiment, wherein the tensile test adopts the standard: GB/T228-2002.
Example 2
Carrying out solution treatment on the 6xxx series aluminum alloy plate in an air circulation resistance furnace at 560 ℃ for 30min, and immediately carrying out water quenching to obtain a quenched aluminum alloy plate; then, carrying out multi-pass rolling along the original rolling direction at room temperature, setting the first pressing amount to be 6mm, setting the pressing amount to be 1mm each time, measuring the thickness and the rib height of the plate by using a vernier caliper after each time of rolling until the plate is thinned to 2mm, and then carrying out a tensile test experiment, wherein the tensile test adopts the standard: GB/T228-2002.
Example 3
2195 subjecting the Al-Li alloy plate to solution treatment in an air circulating resistance furnace at 510 deg.C for 30min, and immediately water quenching to obtain quenched Al-Li alloy plate; because the elongation of the aluminum lithium alloy after quenching at low temperature is more excellent, the plate is soaked for 30min by using liquid nitrogen, then the plate is rolled for multiple times along the original rolling direction at room temperature, the first pressing amount is 4mm, then the pressing amount is set to be 1mm every time, the thickness and the rib height of the plate are measured by using a vernier caliper after rolling is finished every time until the plate is thinned to 2mm, and after the rolling is finished every time, the aluminum lithium alloy plate is soaked in the liquid nitrogen for 2min, the tensile property test is carried out after the rolling is finished, and the tensile test adopts the standard that: GB/T228-2002.
Performance detection
The results of tensile property testing of examples 1-3 are shown in table 1 below:
TABLE 1 mechanical properties after treatment according to the procedures of examples 1 to 3 (strength unit: MPa elongation unit:%)
| Example 1 | Example 2 | Example 3 | |
| Tensile strength | 492 | 424 | 527 |
| Yield strength | 473 | 448 | 509 |
| Elongation percentage | 6.4 | 8.1 | 4.1 |
Table 1 shows the mechanical properties of the cold-rolled large pre-deformed thin-walled plate with ribs processed by the method of the present invention, and fig. 1 is a graph showing the mechanical property curves of the high-strength aluminum alloy thin-walled plates with ribs prepared in examples 1 to 3 of the present application; it can be seen from table 1 and fig. 1 that the high-strength aluminum alloy ribbed thin-walled plate with high dislocation density can be obtained by the rolling process method of the high-strength aluminum alloy ribbed thin-walled plate provided by the invention. The process rolls the rib structure on the thin-walled plate while forming the high-strength aluminum alloy thin-walled plate, has high material utilization rate and low energy consumption, and is a rolling process capable of realizing the integral forming of the light high-strength aluminum alloy ribbed thin-walled plate.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention disclosed herein should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A cold rolling process method for a high-strength aluminum alloy ribbed thin-wall plate is characterized by comprising the following steps:
the method comprises the following steps: cleaning the surfaces of the aluminum alloy plate, the upper hard steel plate and the lower hard steel plate and removing surface impurities;
step two: after carrying out solution treatment and water quenching on the aluminum alloy plate treated in the step one, placing the aluminum alloy plate between an upper hard steel plate and a lower hard steel plate, and fixing the aluminum alloy plate by using a fixing device; one side of the upper hard steel plate, which is in contact with the aluminum alloy plate, is provided with a groove, and the surface of the lower hard steel plate is flat;
step three: and (4) rolling the aluminum alloy plate fixed in the fixing mode in the second step along the original rolling direction at room temperature to obtain the aluminum alloy ribbed thin-wall plate.
2. The cold rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, wherein the rolling in the third step is multi-pass rolling, the rolling reduction of the first rolling in the multi-pass rolling is 40-60%, and the rolling reduction of the non-first rolling in the multi-pass rolling is 5-10%.
3. The cold rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, wherein the aluminum alloy ribbed thin-wall plate obtained in the third step comprises a plate and ribs integrally connected to the plate, and the thickness of the plate and the height of the ribs need to be measured after each rolling in the third step until the rolling is finished after the requirements are met.
4. The cold rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, wherein the fixing device is a thin iron wire, and the thin iron wire bundles two ends of the upper hard steel plate and the lower hard steel plate to clamp the aluminum alloy plate in the middle.
5. The cold rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, wherein the width of the groove of the upper hard steel plate is 5-20mm, and the depth of the groove is 5-15mm.
6. The cold rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, wherein the thickness of the upper hard steel plate is 10-15mm, and the thickness of the lower hard steel plate is 1-2mm.
7. The cold rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, wherein the temperature of the solution treatment in the second step is 400-600 ℃, and the time is 0.5-3h.
8. The cold-rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, characterized in that the hardness of the upper hard steel plate and the hardness of the lower hard steel plate are both greater than 50HRC.
9. The cold rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, wherein a chamfer is arranged on the groove of the upper hard steel plate, and the radius of the chamfer is 1-5mm.
10. The cold rolling process method for the high-strength aluminum alloy ribbed thin-wall plate according to claim 1, wherein the aluminum alloy plate is age-hardening aluminum alloy.
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| CN108474065A (en) * | 2016-01-08 | 2018-08-31 | 奥科宁克公司 | Novel 6xxx aluminium alloys and preparation method thereof |
| CN109435371A (en) * | 2018-10-10 | 2019-03-08 | 北京科技大学 | A kind of high-strength Cu-Al-Cu Cladding Plate and preparation process |
| CN109877154A (en) * | 2019-03-13 | 2019-06-14 | 河南省鼎鼎实业有限公司 | A kind of production system and production method of high ductility Ribbed Bar |
| CN110170520A (en) * | 2019-05-30 | 2019-08-27 | 武汉理工大学 | A kind of plate roll forming process with convex rib |
| CN110421000A (en) * | 2019-06-24 | 2019-11-08 | 太原理工大学 | A kind of method that the tandem rolling of dual damascene roller prepares composite metal plate |
| CN112718861A (en) * | 2020-12-14 | 2021-04-30 | 吉林大学 | Light alloy rolling composite forming process method capable of controlling edge crack |
| CN112981153A (en) * | 2021-02-09 | 2021-06-18 | 太原理工大学 | High-strength high-conductivity aluminum/aluminum alloy composite board and preparation method thereof |
| CN114263841A (en) * | 2021-12-24 | 2022-04-01 | 湖北航飞蜂窝复合材料有限公司 | Honeycomb core and manufacturing method thereof |
| CN114346611A (en) * | 2022-01-06 | 2022-04-15 | 中南大学 | Manufacturing method of multidirectional rib-containing aluminum alloy plate |
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