CN106623713A - Making method for aluminum-alloy T-type section die-forging parts - Google Patents
Making method for aluminum-alloy T-type section die-forging parts Download PDFInfo
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- CN106623713A CN106623713A CN201510735552.1A CN201510735552A CN106623713A CN 106623713 A CN106623713 A CN 106623713A CN 201510735552 A CN201510735552 A CN 201510735552A CN 106623713 A CN106623713 A CN 106623713A
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- China
- Prior art keywords
- shaped section
- section die
- aluminum alloy
- die forging
- alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/002—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working by rapid cooling or quenching; cooling agents used therefor
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
The embodiment of the invention discloses a making method for aluminum-alloy T-type section die-forging parts. The making method can be used for making aluminum-alloy T-type section die-forging parts, wherein the lengths of the aluminum-alloy T-type section die-forging parts are 6 meters or above, and projection areas can reach 4 square meters or above; and residual stress of the die-forging parts can be effectively eliminated, and the cost is low. Heated aluminum-alloy blanks are forged into long aluminum-alloy strips, sections of the long aluminum-alloy strips are subjected to die forging to be made into T-type sections, the long aluminum-alloy strips with the T-type sections are subjected to segmented bending, and then the needed arc-shaped aluminum-alloy T-type section die-forging parts are obtained; and the strength of the aluminum-alloy T-type section die-forging parts is improved by means of hardening operation, the residual stress of the aluminum-alloy T-type section die-forging parts is eliminated by means of cold compression operation, and shapes of the aluminum-alloy T-type section die-forging parts are reinforced.
Description
Technical field
The present invention relates to field of mechanical technique, more particularly to a kind of manufacture method of aluminum alloy T-shaped section die forging pieces.
Technical background
All trades and professions grow with each passing day to the demand of aluminum alloy die forgings, promote aluminum alloy die forgings to develop towards complex structure, maximization, the higher and higher direction of yardstick rigorous.Accordingly, it would be desirable to continuously improve the mould of production forging part, forging part production technology is improved.Wherein, the aluminum alloy die forgings of T-shaped section use wider.And in the prior art, camber is processed by extruding again the method for stretch bending into T-shaped section come die forging generally using upper and lower two pieces of moulds.But, process the mould of the forging part with different radians of same section difference radian, increasing number of molds will increase expense, the length limited of the forging part that can be processed, forging part of the projected area more than 2.0 square metres cannot be processed, and the residual stress of the forging part after processing is big so that processing radian gross distortion and distortion.
For drawbacks described above, embodiments provide a kind of manufacture method of aluminum alloy T-shaped section die forging pieces, can be with more than 6 meters of factory length, projected area up to more than 4 square metres of aluminum alloy T-shaped section die forging pieces, can also be the forging part of different arcs, and forging part residual stress can be effectively eliminated, cost is relatively low.
The content of the invention
A kind of manufacture method of aluminum alloy T-shaped section die forging pieces, including：
By the aluminium alloy blank forging after heating into aluminium alloy strip；
The aluminium alloy strip is heated, by the section die forging of the aluminium alloy strip into T-shaped；
The aluminium alloy strip segmentation of T-shaped section is bent, and then obtains the aluminum alloy T-shaped section die forging pieces of demand arc；
The aluminum alloy T-shaped section die forging pieces are carried out with hardening step, and then improves the intensity of the aluminum alloy T-shaped section die forging pieces；
The aluminum alloy T-shaped section die forging pieces are carried out with cold compression operation, and then eliminates the aluminum alloy T-shaped section die forging pieces residual stress, and reinforce the shape of the aluminum alloy T-shaped section die forging pieces；
The aluminum alloy T-shaped section die forging pieces are carried out with Ageing Treatment, performance, shape and the size of the aluminum alloy T-shaped section die forging pieces is reinforced.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
The present invention passes through first by aluminium alloy blank forging into aluminium alloy strip，Again by the section die forging of the aluminium alloy strip into T-shaped，Aluminium alloy segmentation to T-shaped section is bent，Do not affected by die length，The aluminum alloy T-shaped section die forging pieces of needs can be pressed into，Then again hardening step is carried out to the aluminum alloy T-shaped section die forging pieces，Improve the intensity of the aluminum alloy T-shaped section die forging pieces，Finally cold compression and Ageing Treatment are carried out to aluminum alloy T-shaped section die forging pieces，In cold compression，Residual stress can be eliminated，Further aluminum alloy T-shaped section die forging pieces are shaped，And Ageing Treatment reinforces again its performance、Shape and size etc.，By the way of being bent using segmentation，Can not limited with processing length、The aluminum alloy T-shaped section die forging pieces of different arcs，And cold compression is processed and can eliminated the residual stress of aluminum alloy T-shaped section die forging pieces，Its shape can also be reinforced，Cost is relatively low.
Description of the drawings
Fig. 1 is the basic flow sheet of the manufacture method of aluminum alloy T-shaped section die forging pieces provided in an embodiment of the present invention；
Fig. 2 is another flow chart of the manufacture method of aluminum alloy T-shaped section die forging pieces provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing of the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Embodiments provide the manufacture method of aluminum alloy T-shaped section die forging pieces, can more than 6 meters of factory length, projected area can effectively eliminate forging part residual stress up to more than 4 square metres of aluminum alloy T type section arc forging part, cost is relatively low.
Fig. 1～Fig. 2 is referred to, Fig. 1 is the basic flow sheet of the manufacture method of aluminum alloy T-shaped section die forging pieces provided in an embodiment of the present invention, and Fig. 2 is another flow chart of the manufacture method of aluminum alloy T-shaped section die forging pieces provided in an embodiment of the present invention.As shown in Fig. 1～Fig. 2, a kind of manufacture method of aluminum alloy T-shaped section die forging pieces, including：
110th, by the aluminium alloy blank forging after heating into aluminium alloy strip；
In the production technology of aluminum alloy T-shaped section die forging pieces, first the heating of aluminium alloy blank is made into its easily forging processing, then by the aluminium alloy blank forging into aluminium alloy strip.
120th, the aluminium alloy strip is heated, by the section die forging of the aluminium alloy strip into T-shaped；
With the processing mold of T-slot by the die forging of aluminium alloy strip into T-shaped section.
130th, the aluminium alloy strip segmentation of T-shaped section is bent, and then obtains the aluminum alloy T-shaped section die forging pieces of demand arc；
Requirement as needed and to arc precision, by the way of segmentation is bent, to aluminium alloy strip bent into shape is segmented.Bent using segmentation, the length of aluminium alloy strip is unrestricted, the accuracy of its length and radian can be controlled by being segmented buckling mode, produce into the arc of different radians, small mould is it is achieved that so as to reduce die cost.
140th, the aluminum alloy T-shaped section die forging pieces are carried out with hardening step, and then improves the intensity of the aluminum alloy T-shaped section die forging pieces；
Aluminum alloy T-shaped section die forging pieces after shaping are put in cold water so that the hurried decline of temperature, strengthen the intensity of aluminum alloy T-shaped section die forging pieces so as to do not allow to deform, distort.
150th, the aluminum alloy T-shaped section die forging pieces are carried out with cold compression operation, and then eliminates the aluminum alloy T-shaped section die forging pieces residual stress, and reinforce the shape of the aluminum alloy T-shaped section die forging pieces；
Again to aluminum alloy T-shaped section die forging pieces cold compression, its internal residual stress is eliminated, it is to avoid the arc of generation gross distortion in an impact, further the shape of fixed aluminum alloy T-shaped section die forging pieces.
160th, the aluminum alloy T-shaped section die forging pieces are carried out with Ageing Treatment, performance, shape and the size of the aluminum alloy T-shaped section die forging pieces is reinforced.
By the Ageing Treatment in later stage, keep its performance, shape and size etc. not with the time, place and change.
The embodiment of the present invention passes through first by aluminium alloy blank forging into aluminium alloy strip，Again by the section die forging of the aluminium alloy strip into T-shaped，Aluminium alloy segmentation to T-shaped section is bent，Do not affected by die length，The aluminum alloy T-shaped section die forging pieces of needs can be pressed into，Then again hardening step is carried out to the aluminum alloy T-shaped section die forging pieces，Improve the intensity of the aluminum alloy T-shaped section die forging pieces，Finally cold compression and Ageing Treatment are carried out to aluminum alloy T-shaped section die forging pieces，In cold compression，Residual stress can be eliminated，Further aluminum alloy T-shaped section die forging pieces are shaped，And Ageing Treatment reinforces again its performance、Shape and size etc.，By the way of being bent using segmentation，Can not limited with processing length、The aluminum alloy T-shaped section die forging pieces of different arcs，And cold compression is processed and can eliminated the residual stress of aluminum alloy T-shaped section die forging pieces，Its shape can also be reinforced，Cost is relatively low.
If detecting the quality of aluminum alloy T-shaped section die forging pieces, its production quality is improved, debug whether the parameter that links are arranged in production process is optimal, if can be produced in batches using same flow process, parameter, the later stage can also do following steps：
170th, detection process are carried out to the aluminum alloy T-shaped section die forging pieces, so as to detect the quality of the aluminum alloy T-shaped section die forging pieces.
It is preferred that, in process of production, can be by the rectangular aluminium alloy strip of aluminium alloy blank forging, and also the length of the aluminium alloy strip can be more than 6 meters, can produce the aluminum alloy T-shaped section die forging pieces that projected area reaches more than 4 square metres.
It is preferred that, from aluminium alloy blank can be 2000 aluminium alloys for being and 7000 aluminium alloys for being etc., and the T-shaped section in the present invention can be T6 sections, T652 sections and T7452 sections etc., the aluminum alloy T-shaped section die forging pieces produced meet the requirement of the specifications such as the world, national military standard, AMS.Using segmentation press-bending camber, the demand to different arcs can be flexibly met, and be increased without other moulds, segmentation can also meet the requirement that small mould produces the aluminum alloy T-shaped section die forging pieces compared with length, not only improve the flexibility of production, and cost is also relatively low.
The invention provides a kind of manufacture method of aluminum alloy T-shaped section die forging pieces, according to demand the aluminium alloy strip for being processed into T-shaped section can be bent into into the aluminum alloy T-shaped section die forging pieces of different arcs, and aluminum alloy T-shaped section die forging pieces are put into into cold water by its hurried decline, improve the intensity of aluminum alloy T-shaped section die forging pieces, it is unlikely to deform it, the process of cold compression can also eliminate the residual stress inside aluminum alloy T-shaped section die forging pieces, further reinforce the shape of aluminum alloy T-shaped section die forging pieces, again Ageing Treatment is done to aluminum alloy T-shaped section die forging pieces, its performance etc. can for a long time be kept.
A kind of manufacture method of aluminum alloy T-shaped section die forging pieces provided by the present invention is described in detail above, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, will change in specific embodiments and applications, in sum, this specification content should not be construed as limiting the invention.
Claims (6)
1. a kind of manufacture method of aluminum alloy T-shaped section die forging pieces, it is characterised in that include：
By the aluminium alloy blank forging after heating into aluminium alloy strip；
The aluminium alloy strip is heated, by the section die forging of the aluminium alloy strip into T-shaped；
The aluminium alloy strip segmentation of T-shaped section is bent, and then obtains the aluminum alloy T-shaped section die forging pieces of demand arc；
The aluminum alloy T-shaped section die forging pieces are carried out with hardening step, and then improves the intensity of the aluminum alloy T-shaped section die forging pieces；
The aluminum alloy T-shaped section die forging pieces are carried out with cold compression operation, and then eliminates the aluminum alloy T-shaped section die forging pieces residual stress, and reinforce the shape of the aluminum alloy T-shaped section die forging pieces；
The aluminum alloy T-shaped section die forging pieces are carried out with Ageing Treatment, performance, shape and the size of the aluminum alloy T-shaped section die forging pieces is reinforced.
2. manufacture method according to claim 1, it is characterised in that described that the aluminum alloy T-shaped section die forging pieces are carried out with Ageing Treatment, reinforces performance, shape and the size of the aluminum alloy T-shaped section die forging pieces, afterwards including step：
Detection process are carried out to the aluminum alloy T-shaped section die forging pieces, so as to detect the quality of the aluminum alloy T-shaped section die forging pieces.
3. manufacture method according to claim 1 and 2, it is characterised in that the shape of the aluminium alloy strip is specially rectangle.
4. manufacture method according to claim 3, it is characterised in that the length of the aluminium alloy strip can be more than 6 meters.
5. manufacture method according to claim 1 and 2, it is characterised in that the material of the aluminium alloy blank can be 2000 aluminium alloys for being or 7000 aluminium alloys for being.
6. manufacture method according to claim 1 and 2, it is characterised in that the T-shaped section specifically T6 sections or T652 sections or T7452 sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510735552.1A CN106623713A (en) | 2015-11-03 | 2015-11-03 | Making method for aluminum-alloy T-type section die-forging parts |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510735552.1A CN106623713A (en) | 2015-11-03 | 2015-11-03 | Making method for aluminum-alloy T-type section die-forging parts |
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| CN106623713A true CN106623713A (en) | 2017-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510735552.1A Withdrawn CN106623713A (en) | 2015-11-03 | 2015-11-03 | Making method for aluminum-alloy T-type section die-forging parts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234653A (en) * | 2018-10-23 | 2019-01-18 | 湖南大学 | A method of cutting down large complicated aluminum alloy die forgings residual stress |
| CN109530590A (en) * | 2018-12-05 | 2019-03-29 | 西南铝业（集团）有限责任公司 | A kind of aircraft central wing front-axle beam frame forging part production technology |
-
2015
- 2015-11-03 CN CN201510735552.1A patent/CN106623713A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109234653A (en) * | 2018-10-23 | 2019-01-18 | 湖南大学 | A method of cutting down large complicated aluminum alloy die forgings residual stress |
| CN109234653B (en) * | 2018-10-23 | 2020-07-07 | 湖南大学 | Method for reducing residual stress of large complex aluminum alloy die forging |
| CN109530590A (en) * | 2018-12-05 | 2019-03-29 | 西南铝业（集团）有限责任公司 | A kind of aircraft central wing front-axle beam frame forging part production technology |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |
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| WW01 | Invention patent application withdrawn after publication |