CN102513489A - Manufacture method for aluminum alloy T-shaped section die forging pieces - Google Patents

Manufacture method for aluminum alloy T-shaped section die forging pieces Download PDF

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Publication number
CN102513489A
CN102513489A CN2011104597681A CN201110459768A CN102513489A CN 102513489 A CN102513489 A CN 102513489A CN 2011104597681 A CN2011104597681 A CN 2011104597681A CN 201110459768 A CN201110459768 A CN 201110459768A CN 102513489 A CN102513489 A CN 102513489A
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CN
China
Prior art keywords
aluminum alloy
type section
forging part
aluminium alloy
shaped section
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CN2011104597681A
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Chinese (zh)
Inventor
方清万
阙基容
林海涛
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西南铝业(集团)有限责任公司
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Priority to CN2011104597681A priority Critical patent/CN102513489A/en
Publication of CN102513489A publication Critical patent/CN102513489A/en

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Abstract

The embodiment of the invention discloses a manufacture method for aluminum alloy T-shaped section die forging pieces, which can be used for manufacturing aluminum alloy T-shaped section die forging pieces with the lengths larger than 6 meters and projected areas reaching more than 4 centares, can effectively remove the residual stress of the aluminum alloy T-shaped section die forging pieces, and is low in cost. By forging heated aluminum alloy blank into aluminum alloy long strips, the sections of the aluminum alloy long strips are forged into T-shape, a sectional bending way is adopted for the T-shaped section aluminum alloy long strips so as to further obtain the required arc-shaped aluminum alloy T-shaped die forging pieces, the intensity of the aluminum alloy T-shaped section die forging pieces is enhanced through quenching operations, the residual stress of the aluminum alloy T-shaped section die forging pieces is eliminated through cold compression operation, and the shapes of the aluminum alloy T-shaped section die forging pieces can be firmed.

Description

The manufacturing approach of aluminum alloy T type section forging part

Technical field

The present invention relates to field of mechanical technique, relate in particular to a kind of manufacturing approach of aluminum alloy T type section forging part.

Background technology

All trades and professions grow with each passing day to the demand of aluminium alloy forging part, impel the aluminium alloy forging part to require increasingly high direction to develop towards complex structure, maximization, yardstick precision.Therefore, need constantly to improve the mould of producing forging part, improve the forging part production technology.Wherein, the aluminium alloy forging part of T type section uses wider.And in the prior art, two moulds come die forging to become T type section about adopting usually, are processed into arc through the method for pushing again stretch bending.But; Processing will be used the mould of different radians with the forging part of the different radians of a kind of section; Increase number of molds and will increase expense, the length limited of the forging part that can process can't be processed projected area greater than 2.0 square metres forging part; And the residual stress of the forging part after the processing is big, makes to process radian gross distortion and distortion.

Summary of the invention

To above-mentioned defective; The embodiment of the invention provides a kind of manufacturing approach of aluminum alloy T type section forging part; Can factory length more than 6 meters, projected area reaches the aluminum alloy T type section forging part more than 4 square metres; Can also be the forging part of different arcs, and can effectively eliminate the forging part residual stress, cost be lower.

A kind of manufacturing approach of aluminum alloy T type section forging part comprises:

Become aluminium alloy rectangular aluminium alloy blank forging after the heating;

To the rectangular heating of said aluminium alloy, the section die forging that said aluminium alloy is rectangular becomes the T type;

The rectangular segmentation of the aluminium alloy of T type section is bent, and then obtain the aluminum alloy T type section forging part of demand arc;

Said aluminum alloy T type section forging part is carried out hardening step, and then improve the intensity of said aluminum alloy T type section forging part;

Said aluminum alloy T type section forging part is carried out the cold compression operation, and then eliminate said aluminum alloy T type section forging part residual stress, and the shape of reinforcing said aluminum alloy T type section forging part;

Said aluminum alloy T type section forging part is carried out Ageing Treatment, reinforce performance, shape and the size of said aluminum alloy T type section forging part.

Can find out that from above technical scheme the embodiment of the invention has the following advantages:

The present invention is through becoming aluminium alloy rectangular the aluminium alloy blank forging earlier, and again that said aluminium alloy is rectangular section die forging becomes the T type, and the aluminium alloy segmentation of T type section is bent; Not influenced by die length, can be pressed into the aluminum alloy T type section forging part that needs, and then said aluminum alloy T type section forging part is carried out hardening step; Improve the intensity of said aluminum alloy T type section forging part, at last aluminum alloy T type section forging part is carried out cold compression and Ageing Treatment, in cold compression; Can eliminate residual stress; Further aluminum alloy T type section forging part is finalized the design, and Ageing Treatment is reinforced its performance, shape and size etc. once more, because the mode that adopts segmentation to bend; Can processing length do not limit, the aluminum alloy T type section forging part of different arcs; And cold compression is handled and can the residual stress of aluminum alloy T type section forging part be eliminated, and can also reinforce its shape, and cost is lower.

Description of drawings

In order to be illustrated more clearly in the technical scheme of the embodiment of the invention; To do to introduce simply to the accompanying drawing of required use in the embodiment of the invention below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.

The basic flow sheet of the manufacturing approach of the aluminum alloy T type section forging part that Fig. 1 provides for the embodiment of the invention;

Another flow chart of the manufacturing approach of the aluminum alloy T type section forging part that Fig. 2 provides for the embodiment of the invention.

The specific embodiment

The accompanying drawing that will combine the embodiment of the invention below carries out clear, intactly description to the technical scheme in the embodiment of the invention, and obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.

The embodiment of the invention provides the manufacturing approach of aluminum alloy T type section forging part, can factory length more than 6 meters, projected area reaches the aluminum alloy T type section arc forging part more than 4 square metres, and can effectively eliminate the forging part residual stress, cost is lower.

See also Fig. 1~Fig. 2, another flow chart of the manufacturing approach of the aluminum alloy T type section forging part that the basic flow sheet of the manufacturing approach of the aluminum alloy T type section forging part that Fig. 1 provides for the embodiment of the invention, Fig. 2 provide for the embodiment of the invention.Like Fig. 1~shown in Figure 2, a kind of manufacturing approach of aluminum alloy T type section forging part comprises:

110, the aluminium alloy blank forging after will heating becomes aluminium alloy rectangular;

In the production technology of aluminum alloy T type section forging part, make it forge processing easily the heating of aluminium alloy blank earlier, become aluminium alloy rectangular this aluminium alloy blank forging then.

120, to the rectangular heating of said aluminium alloy, the section die forging that said aluminium alloy is rectangular becomes the T type;

Processing mold with T type groove becomes T type section with the rectangular die forging of aluminium alloy.

130, the rectangular segmentation of the aluminium alloy of T type section is bent, and then obtain the aluminum alloy T type section forging part of demand arc;

As required with to the requirement of arc precision, the mode that adopts segmentation to bend is to the rectangular segmentation bent into shape of aluminium alloy.The employing segmentation is bent, and the rectangular length of aluminium alloy is unrestricted, can control the accuracy of its length and radian through segmentation press-bending mode, produces the arc of different radians, and small mould just can be realized, thereby reduce die cost.

140, said aluminum alloy T type section forging part is carried out hardening step, and then improve the intensity of said aluminum alloy T type section forging part;

Aluminum alloy T type section forging part after the moulding is put in the cold water, made the hurried decline of temperature, strengthen the intensity of aluminum alloy T type section forging part, make it not allow distortion, distortion.

150, said aluminum alloy T type section forging part is carried out the cold compression operation, and then eliminate said aluminum alloy T type section forging part residual stress, and the shape of reinforcing said aluminum alloy T type section forging part;

Again to the cold compression of aluminum alloy T type section forging part, its internal residual stress is eliminated, avoid arc gross distortion in collision of producing, further the fixing shape of aluminum alloy T type section forging part.

160, said aluminum alloy T type section forging part is carried out Ageing Treatment, reinforce performance, shape and the size of said aluminum alloy T type section forging part.

Through the Ageing Treatment in later stage, keep its performance, shape and size etc. not in time, place and change.

The embodiment of the invention is through becoming aluminium alloy rectangular the aluminium alloy blank forging earlier, and again that said aluminium alloy is rectangular section die forging becomes the T type, and the aluminium alloy segmentation of T type section is bent; Not influenced by die length, can be pressed into the aluminum alloy T type section forging part that needs, and then said aluminum alloy T type section forging part is carried out hardening step; Improve the intensity of said aluminum alloy T type section forging part, at last aluminum alloy T type section forging part is carried out cold compression and Ageing Treatment, in cold compression; Can eliminate residual stress; Further aluminum alloy T type section forging part is finalized the design, and Ageing Treatment is reinforced its performance, shape and size etc. once more, because the mode that adopts segmentation to bend; Can processing length do not limit, the aluminum alloy T type section forging part of different arcs; And cold compression is handled and can the residual stress of aluminum alloy T type section forging part be eliminated, and can also reinforce its shape, and cost is lower.

If detect the quality of aluminum alloy T type section forging part, improve its production quality, whether whether the parameter of each link setting reaches optimum in the debugging production process, can adopt same flow process, parameter to produce in batches, and the later stage can also be done following steps:

170, said aluminum alloy T type section forging part is detected processing, thereby detect the quality of said aluminum alloy T type section forging part.

As optimal way, in process of production, can become the aluminium alloy of rectangle rectangular the aluminium alloy blank forging, and the rectangular length of this aluminium alloy can the production projected area reach the aluminum alloy T type section forging part more than 4 square metres greater than 6 meters.

As optimal way; The aluminium alloy blank of selecting for use can be 2000 be aluminium alloy and 7000 aluminium alloy that is etc.; And the T type section among the present invention can be T6 section, T652 section and T7452 section etc., and the aluminum alloy T type section forging part of producing satisfies the requirement of standards such as the world, national military standard, AMS.Adopt segmentation press-bending camber; Can satisfy the demand to different arcs flexibly, and need not increase other mould, segmentation also can be satisfied the requirement of small mould production than the aluminum alloy T type section forging part of length; Not only improve the flexibility of producing, cost is also lower.

The invention provides a kind of manufacturing approach of aluminum alloy T type section forging part; Can will be processed into the rectangular aluminum alloy T type section forging part that bends into different arcs of aluminium alloy of T type section according to demand; And aluminum alloy T type section forging part put into cold water by its hurried decline, and improve the intensity of aluminum alloy T type section forging part, make it not yielding; The processing of cold compression can also be eliminated the inner residual stress of aluminum alloy T type section forging part; Further reinforce the shape of aluminum alloy T type section forging part, again aluminum alloy T type section forging part is done Ageing Treatment, can keep its performance etc. for a long time.

More than the manufacturing approach of a kind of aluminum alloy T type section forging part provided by the present invention has been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on the specific embodiment and range of application, all can change, in sum, this description should not be construed as limitation of the present invention.

Claims (6)

1. the manufacturing approach of an aluminum alloy T type section forging part is characterized in that, comprising:
Become aluminium alloy rectangular aluminium alloy blank forging after the heating;
To the rectangular heating of said aluminium alloy, the section die forging that said aluminium alloy is rectangular becomes the T type;
The rectangular segmentation of the aluminium alloy of T type section is bent, and then obtain the aluminum alloy T type section forging part of demand arc;
Said aluminum alloy T type section forging part is carried out hardening step, and then improve the intensity of said aluminum alloy T type section forging part;
Said aluminum alloy T type section forging part is carried out the cold compression operation, and then eliminate said aluminum alloy T type section forging part residual stress, and the shape of reinforcing said aluminum alloy T type section forging part;
Said aluminum alloy T type section forging part is carried out Ageing Treatment, reinforce performance, shape and the size of said aluminum alloy T type section forging part.
2. manufacturing approach according to claim 1 is characterized in that, said said aluminum alloy T type section forging part is carried out Ageing Treatment, reinforces performance, shape and the size of said aluminum alloy T type section forging part, comprises step afterwards:
Said aluminum alloy T type section forging part is detected processing, thereby detect the quality of said aluminum alloy T type section forging part.
3. manufacturing approach according to claim 1 and 2 is characterized in that, the rectangular shape of said aluminium alloy is specially rectangle.
4. manufacturing approach according to claim 3 is characterized in that, the rectangular length of said aluminium alloy can be greater than 6 meters.
5. manufacturing approach according to claim 1 and 2 is characterized in that, the material of said aluminium alloy blank can be 2000 be aluminium alloy or 7000 aluminium alloy that is.
6. manufacturing approach according to claim 1 and 2 is characterized in that, said T type section specifically is T6 section or T652 section or T7452 section.
CN2011104597681A 2011-12-31 2011-12-31 Manufacture method for aluminum alloy T-shaped section die forging pieces CN102513489A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104715086A (en) * 2013-12-12 2015-06-17 陕西宏远航空锻造有限责任公司 Method for designing, forging and heat-treating ultrahigh-strength aluminum alloy die forging part
CN104707927B (en) * 2013-12-12 2016-09-14 陕西宏远航空锻造有限责任公司 A kind of improve variable cross-section aluminum alloy die forgings tissue and the hot-working method of performance
CN108380722A (en) * 2018-04-27 2018-08-10 武汉理工大学 A kind of hot press-formed method of lightweight car body of aluminum alloy component
CN108405773A (en) * 2018-04-04 2018-08-17 武汉理工大学 A kind of lightweight aluminum alloy chassis part processing method
CN109732023A (en) * 2018-12-27 2019-05-10 桂林理工大学 A method of control Al-alloy casing isothermal precision forging process size rebound

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CN101537466A (en) * 2009-04-30 2009-09-23 西南铝业(集团)有限责任公司 Method for manufacturing aluminium alloy rings with high performance and low residual stress

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SU554014A1 (en) * 1973-12-10 1977-04-15 Предприятие П/Я М-5616 The method of manufacture of Tauris
US5732591A (en) * 1996-09-09 1998-03-31 Johnson; James Floyd Anvil and method of making same
US20020050157A1 (en) * 2000-09-08 2002-05-02 Nmf Canada Inc. Shaped metal panels and forming same by shot peening
CN1489637A (en) * 2000-12-21 2004-04-14 阿尔科公司 Aluminum alloy products and artificial aging method
CN101537466A (en) * 2009-04-30 2009-09-23 西南铝业(集团)有限责任公司 Method for manufacturing aluminium alloy rings with high performance and low residual stress

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104715086A (en) * 2013-12-12 2015-06-17 陕西宏远航空锻造有限责任公司 Method for designing, forging and heat-treating ultrahigh-strength aluminum alloy die forging part
CN104707927B (en) * 2013-12-12 2016-09-14 陕西宏远航空锻造有限责任公司 A kind of improve variable cross-section aluminum alloy die forgings tissue and the hot-working method of performance
CN104715086B (en) * 2013-12-12 2017-12-19 陕西宏远航空锻造有限责任公司 A kind of design, forging and the heat treatment method of ultrahigh-strength aluminum alloy forging part
CN108405773A (en) * 2018-04-04 2018-08-17 武汉理工大学 A kind of lightweight aluminum alloy chassis part processing method
CN108380722A (en) * 2018-04-27 2018-08-10 武汉理工大学 A kind of hot press-formed method of lightweight car body of aluminum alloy component
CN109732023A (en) * 2018-12-27 2019-05-10 桂林理工大学 A method of control Al-alloy casing isothermal precision forging process size rebound

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