CN115679171A - 7005 aluminum alloy section bar special for aviation lifesaving stretcher and manufacturing process thereof - Google Patents
7005 aluminum alloy section bar special for aviation lifesaving stretcher and manufacturing process thereof Download PDFInfo
- Publication number
- CN115679171A CN115679171A CN202211478772.7A CN202211478772A CN115679171A CN 115679171 A CN115679171 A CN 115679171A CN 202211478772 A CN202211478772 A CN 202211478772A CN 115679171 A CN115679171 A CN 115679171A
- Authority
- CN
- China
- Prior art keywords
- aluminum alloy
- section bar
- alloy section
- manufacturing process
- special
- 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
Images
Abstract
The invention discloses a 7005 aluminum alloy section special for an aviation lifesaving stretcher and a manufacturing process thereof, and relates to an aluminum alloy section, which comprises a section body, top symmetrical geometric branches, a bottom plate and two side plates, wherein the top end of the section body is the symmetrical geometric branches, and the middle part of the section body is a geometric hollow body enclosed by the bottom plate, the two side plates and an upper plate. 7005 the manufacturing process of the aluminum alloy section is as follows: burdening → casting → ingot homogenizing treatment → turning surface → sawing → ingot heating (heating temperature is 500-530 ℃ and heating time is 8.0 h) → extrusion molding → online quenching (heating temperature is 480-510 ℃ and quenching water temperature is 10-35 ℃) → straightening → aging → finished product detection → finished product sawing → packaging delivery. The 7005 aluminum alloy section special for the aviation lifesaving stretcher effectively reduces the weight of the material, thereby improving the effective load of an airplane; the rigidity of the selected material is moderate, so that the strength of the stretcher stand column is ensured, later-stage assembly is facilitated, the mechanical performance of the section bar is effectively improved, and the service life of the product is prolonged.
Description
Technical Field
The invention relates to the technical field of aluminum alloy sections, in particular to a 7005 aluminum alloy section special for an aviation lifesaving stretcher and a manufacturing process thereof.
Background
The stretcher for the aviation rescue in the prior art is manufactured by an aluminum tube processing method, on one hand, the bearing effect of the aluminum tube mechanical structure after being changed due to processing is poor, the whole stretcher is affected by use time limit and safety, and the influence on later use is large; and secondly, the alloy of the material is changed, so that the whole effective load of the aviation lifesaving stretcher is greatly improved, the strength of the stand column of the stretcher is ensured, and the later-stage assembly is facilitated.
In conclusion, the 7005 aluminum alloy section bar special for the aviation lifesaving stretcher, which can avoid the adverse effects, is designed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a 7005 aluminum alloy section bar special for an aviation lifesaving stretcher and a manufacturing process thereof, and aims to solve the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a7005 aluminum alloy section special for an aviation lifesaving stretcher and a manufacturing process thereof comprise symmetrical geometric branches at the top end of a section body, a bottom plate, two side plates and an upper plate;
the top end of the section bar body is provided with symmetrical geometric branches;
the middle part is a geometric hollow body which is formed by enclosing a bottom plate, two side plates and an upper plate.
Preferably, the section bar body is made of aluminum alloy and is 7005-T5 in state.
Preferably, the profile body consists of the following chemical components:
si is less than 0.35, fe is less than 0.40, cu is less than 0.10, mn0.20-0.7, mg1.0-1.8, cr0.06-0.20, zn4.0-5.0, ti0.01-0.06, zr0.08-0.20, other impurities are less than 0.15, and the rest is Al.
Preferably, the manufacturing process of the 7005 aluminum alloy section bar special for the aviation lifesaving stretcher comprises the following process flows of:
batching → casting → ingot homogenizing treatment → turning surface → sawing → ingot heating → extrusion molding → online quenching → straightening → aging → finished product detection → finished product sawing → packaging and delivery.
Preferably, the profile is quenched on-line and the article is immersed in water continuously at a speed of 1m/s until the extrusion is complete. After the quenched section is lifted out of the water tank, the section should be suspended in the air for more than 20 min.
The invention discloses a 7005 aluminum alloy section bar special for an aviation lifesaving stretcher and a manufacturing process thereof, and the 7005 aluminum alloy section bar has the following beneficial effects:
the 7005 aluminum alloy section bar special for the aviation lifesaving stretcher and the manufacturing process thereof have reasonable structural design, improve the yield of products, effectively reduce the self weight of the material on the basis of ensuring the strength and the performance of the material by using the 7005 aluminum alloy section bar special for the aviation lifesaving stretcher, reduce off-line quenching and shorten the delivery period.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the specific embodiments.
Referring to 7005 aluminum alloy section, the following technical scheme is adopted in the specific embodiment: the 7005 aluminum alloy section bar special for the aviation lifesaving stretcher comprises a section bar body, top symmetrical geometric branches 1, a bottom plate 2, two side plates 3 and an upper plate 4.
The top end of the section bar body is provided with symmetrical geometric branches, and the middle part of the section bar body is a geometric hollow body which is surrounded by a bottom plate, two side plates and an upper plate.
It is worth noting that the profile body is divided into geometric branches and geometric hollow bodies.
It is worth noting that the profile body is made of aluminum alloy and is 7005-T5 in state.
The profile body comprises the following chemical components: si less than 0.35, fe less than 0.40, cu less than 0.10, mn 0.20-0.7, mg1.0-1.8, cr0.06-0.20, zn4.0-5.0, ti0.01-0.06, zr0.08-0.20, other impurities less than 0.15, and the balance of Al.
The manufacturing process of the 7005 aluminum alloy section special for the aviation lifesaving stretcher comprises the following steps: burdening → casting → ingot homogenizing treatment → turning surface → sawing → ingot heating (heating temperature is 500-530 ℃ and heating time is 8.0 h) → extrusion molding → online quenching (heating temperature is 480-510 ℃ and quenching water temperature is 10-35 ℃) → straightening → aging → finished product detection → finished product sawing → packaging delivery.
The longitudinal mechanical properties of the 7005 aluminum alloy section special for the aviation lifesaving stretcher in the specific embodiment are shown in the following table:
according to the specific embodiment, the 7005 aluminum alloy section with high strength is selected, the chemical component content proportion is accurately controlled, and the aluminum alloy section with higher strength is used as the 7005 aluminum alloy section special for the aviation lifesaving stretcher, so that the defects of low strength and long product traffic period of the aluminum pipe are overcome, and the design requirement of the 7005 aluminum alloy section special for the aviation lifesaving stretcher is met. The shape is ensured through the design of a die, the size requirement of the shape is realized through an extrusion mode, the technical requirement of the section is ensured through controlling the proportion of alloy components, the processing temperature and the heat treatment process, the higher strength of the section is ensured, the shape is designed to meet the use requirement, and the complete combination of the section and the connection is ensured.
The aluminum alloy section bar body is divided into the geometric branches and the geometric hollow bodies, so that the machining efficiency is improved, the yield of products is improved, and the 7005 aluminum alloy section bar special for the aviation lifesaving stretcher is effectively shortened by using the aluminum alloy section bar body.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A7005 aluminum alloy section special for an aviation lifesaving stretcher is characterized by comprising symmetrical geometric branches (1) at the top end of a section body, a bottom plate (2), two side plates (3) and an upper plate (4);
the top end of the section bar body is provided with symmetrical geometric branches;
the middle part is a geometric hollow body which is formed by enclosing a bottom plate, two side plates and an upper plate.
2. The 7005 aluminum alloy section bar special for the aviation lifesaving stretcher and the manufacturing process thereof as claimed in claim 1, wherein the aluminum alloy section bar is characterized in that: the section bar body is made of aluminum alloy and is 7005-T5 in state.
3. The 7005 aluminum alloy section bar special for the aviation lifesaving stretcher and the manufacturing process thereof as claimed in claim 1, wherein the aluminum alloy section bar is characterized in that: the profile body consists of the following chemical components:
si is less than 0.35, fe is less than 0.40, cu is less than 0.10, mn0.20-0.7, mg1.0-1.8, cr0.06-0.20, zn4.0-5.0, ti0.01-0.06, zr0.08-0.20, other impurities are less than 0.15, and the rest is Al.
4. The manufacturing process of the 7005 aluminum alloy section bar special for the aviation lifesaving stretcher according to claim 1 is characterized by comprising the following process flows:
batching → casting → ingot homogenizing treatment → turning surface → sawing → ingot heating → extrusion molding → online quenching → straightening → aging → finished product detection → finished product sawing → packaging and delivery.
5. The manufacturing process of the 7005 aluminum alloy profile special for the aviation lifesaving stretcher according to claim 4, wherein when the profile is quenched on line, the product is immersed into water continuously at a speed of 1m/s until the extrusion is completed;
after the quenched section is lifted out of the water tank, the section should be suspended in the air for more than 20 min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211478772.7A CN115679171A (en) | 2022-11-23 | 2022-11-23 | 7005 aluminum alloy section bar special for aviation lifesaving stretcher and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211478772.7A CN115679171A (en) | 2022-11-23 | 2022-11-23 | 7005 aluminum alloy section bar special for aviation lifesaving stretcher and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115679171A true CN115679171A (en) | 2023-02-03 |
Family
ID=85056088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211478772.7A Pending CN115679171A (en) | 2022-11-23 | 2022-11-23 | 7005 aluminum alloy section bar special for aviation lifesaving stretcher and manufacturing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115679171A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080283163A1 (en) * | 2007-05-14 | 2008-11-20 | Bray Gary H | Aluminum Alloy Products Having Improved Property Combinations and Method for Artificially Aging Same |
| CN104624684A (en) * | 2015-01-09 | 2015-05-20 | 广西南南铝加工有限公司 | Extrusion production process of Al-Zn-Mg alloy profile for high-speed rail car body |
| CN108239714A (en) * | 2018-02-02 | 2018-07-03 | 广西南南铝加工有限公司 | The production method of high speed motor car Al-Zn-Mg aluminum alloy hollow sections |
| CN114313113A (en) * | 2021-11-04 | 2022-04-12 | 哈尔滨东轻金属材料加工有限公司 | Ship vehicle-mounted mooring track section and manufacturing process thereof |
-
2022
- 2022-11-23 CN CN202211478772.7A patent/CN115679171A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080283163A1 (en) * | 2007-05-14 | 2008-11-20 | Bray Gary H | Aluminum Alloy Products Having Improved Property Combinations and Method for Artificially Aging Same |
| CN104624684A (en) * | 2015-01-09 | 2015-05-20 | 广西南南铝加工有限公司 | Extrusion production process of Al-Zn-Mg alloy profile for high-speed rail car body |
| CN108239714A (en) * | 2018-02-02 | 2018-07-03 | 广西南南铝加工有限公司 | The production method of high speed motor car Al-Zn-Mg aluminum alloy hollow sections |
| CN114313113A (en) * | 2021-11-04 | 2022-04-12 | 哈尔滨东轻金属材料加工有限公司 | Ship vehicle-mounted mooring track section and manufacturing process thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘静安: "《轻合金挤压工模具手册》", 冶金工业出版社, pages: 610 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES2768771T3 (en) | Build and forge method to prepare homogeneous forgings | |
| CN104711468B (en) | High strength and high heat resistant aluminum alloy material and preparation method thereof | |
| CN111996426B (en) | High-strength Al-Cu-Mg-Mn aluminum alloy and preparation method thereof | |
| CN102505087B (en) | Method for manufacturing aluminum alloy section material for floor of rail transport car body | |
| CN112226657B (en) | Preparation method of motor shell aluminum profile, motor shell and motor | |
| CN107326227A (en) | Rail transit vehicle body skirtboard aluminium alloy extrusions and its manufacture method | |
| CN106448924B (en) | A kind of magnesium oxide mineral insulation cable production method | |
| CN102505086B (en) | Method for manufacturing aluminum alloy profiles for side walls of rail transit vehicles | |
| CN108239714A (en) | The production method of high speed motor car Al-Zn-Mg aluminum alloy hollow sections | |
| CN108277378B (en) | A kind of high-strength highly-conductive Cu-Cr-Ag alloy short flow process | |
| CN105057354B (en) | Production technology for rolled copper foil for lithium battery | |
| CN106378591A (en) | Processing method for small-size and high-strength niobium-hafnium alloy bar | |
| CN105112746B (en) | High-strength Al-Zn-Mg-Cu-Ce-Y-Er-La-Sc wrought aluminum alloy and manufacturing method thereof | |
| CN108950291A (en) | A kind of preparation method of the high beryllium beallon band short route of photomultiplier tube dynode | |
| CN108998704A (en) | A kind of production technology of aluminum-magnesium alloy wire | |
| CN111996425A (en) | High-strength Al-Zn-Mg-Cu aluminum alloy and preparation method thereof | |
| CN104099498B (en) | A kind of super capacity of equipment produces the method for train freight damp car body ultra-wide aluminium alloy extrusions | |
| CN115679171A (en) | 7005 aluminum alloy section bar special for aviation lifesaving stretcher and manufacturing process thereof | |
| CN106967906A (en) | A kind of high speed motor car Al Mg Si alloy profile preparation methods | |
| CN111621666B (en) | Rolling method of Cu-Cr series alloy plate strip | |
| CN109652666A (en) | A kind of resistance to compression is burst aluminium alloy and its processing technology | |
| CN109261739A (en) | A kind of short route production wide cut is greater than 630mm transformer copper strip technique | |
| CN1161199C (en) | Technology for manufacturing seamless Al-alloy pipe | |
| CN103993210B (en) | A kind of aluminium lithium alloy material and the preparation method of improvement vacuum melting technique thereof | |
| US3266945A (en) | Aluminum working procedure |
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 |