CN104624894A - Method for manufacturing aluminum alloy thin-wall forge piece with plating layer - Google Patents
Method for manufacturing aluminum alloy thin-wall forge piece with plating layer Download PDFInfo
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- CN104624894A CN104624894A CN201310567244.3A CN201310567244A CN104624894A CN 104624894 A CN104624894 A CN 104624894A CN 201310567244 A CN201310567244 A CN 201310567244A CN 104624894 A CN104624894 A CN 104624894A
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- aluminium alloy
- forging
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- alloy
- layer
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- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 163
- 238000000034 method Methods 0.000 title claims abstract description 51
- 238000007747 plating Methods 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
- 238000005242 forging Methods 0.000 claims abstract description 76
- 239000000463 material Substances 0.000 claims abstract description 38
- 238000001125 extrusion Methods 0.000 claims description 38
- 238000002360 preparation method Methods 0.000 claims description 17
- 238000005096 rolling process Methods 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 2
- 230000001932 seasonal effect Effects 0.000 claims description 2
- 239000011162 core material Substances 0.000 abstract description 18
- 239000002131 composite material Substances 0.000 abstract description 9
- 238000003754 machining Methods 0.000 abstract description 4
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 229910000553 6063 aluminium alloy Inorganic materials 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- -1 A356 (silicon) alloy Chemical compound 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009975 flexible effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Forging (AREA)
Abstract
The invention relates to a method for manufacturing an aluminum alloy thin-wall force piece with a plating layer. The method includes the steps that the extruding step is conducted, a blank comprising an aluminum alloy core material and an aluminum alloy plating material is prepared, and the blank is arranged in and is extruded into a composite aluminum alloy extruded profile through an extruding device; the thinning machining step is conducted, the composite aluminum alloy extruded profile on which the extruding step is conducted is further thinned and preformed to be machined into a composite aluminum alloy preformed profile; the forging step is conducted, the composite aluminum alloy preformed profile on which the thinning machining step is conducted is arranged in a forging die, the composite aluminum alloy preformed profile is heated, and then a forging machine is used for forging and machining the composite aluminum alloy preformed profile into the composite aluminum alloy thin-wall force piece.
Description
Technical field
The present invention relates to a kind of preparation method of aluminum alloy forge piece, particularly relate to and a kind ofly there is plating put layer and the preparation method of the aluminum alloy forge piece of splendid slimming effect can be reached.
Background technology
Usually, general aluminum alloy forge piece, one of its industry application is the outer casing member as 3C Product, for the outer casing member of tablet PC, its width is greatly about below 200mm, its integrated inner member had is if the height of projection (boss) or limit rib (rib) is greatly about about 5mm, the thickness of slab of this outer casing member is greatly about below 2mm, current industry makes plate aluminum alloy forge piece, main through forging method, forging machine is utilized to give forging molding one aluminum alloy plate materials (aluminum alloy plate materials as 6xxx series), again to possess NC function (Numerical Control, Numerical Control) processing machine, be forged into thus shaped piece (with sheet material or section bar direct) turnning and milling inner thickness and projection, the inner members such as limit rib, the finished product of final aluminum alloy forge piece can be obtained, at this, this forging method, the detailed fabrication steps of forging machine and NC processing method, structure or operating principle are in this case art to possess to be known known by the knowledgeable usually, repeat no more in this,
Aforesaid NC processing method is due to too much consuming time, if can with the size of forging method making close to this thin-wall product, reduce NC machining period, important industry using value will be possessed, but, though conventional forging method can be used to make aluminum alloy forge piece, still there is following problem to be overcome: first, refer to and Figure 1 shows that an aluminium alloy thin-walled swaged forging part 1, it is when width W is 200mm, the thickness H of easy thinning is about about 4mm, if will forge further and be thinned to below 2mm, according to existing technical level, in equipment loading and die life will be the difficulty that cannot overcome at present, therefore be difficult to meet now 3C Product for compact requirement, secondly, forging method cannot directly be produced has the aluminum alloy forge piece that layer (cladding) or compound (layer) material are put in plating, cause product only can possess single physics or material behavior, the advantage (high strength of such as 7xxx series alloys or the corrosion resistance of 5xxx, 6xxx series alloys) of different materials cannot be taken into account, and then cause its practicality of the aluminum alloy forge piece made by conventional forging method and applicability limited, therefore, how to be improved for above-mentioned defect, be inventor for solve technical difficulties place.
Summary of the invention
Because existing forging method, the slimming limitation that it can reach, also cannot have in order to directly to produce the aluminum alloy forge piece that layer is put in plating, cause the practicality of product and applicability limited, therefore the object of the present invention is to provide and a kind ofly there is plating put layer and the preparation method of the aluminum alloy forge piece of splendid slimming effect can be reached.
For reaching the above object, the invention provides and a kind ofly there is plating put the preparation method of the aluminium alloy thin-walled forging of layer, its step comprises: extruding step, preparation one includes aluminium alloy core and aluminium alloy plates the stock putting material, then is inserted by this stock and extrude into an Al-alloy extrusion section bar through extrusion apparatus; Thinning procedure of processing, carries out further thinning by this Al-alloy extrusion section bar completing this extruding step and Al-alloy preform is processed in preformed; Forging step, is placed in forging mold by this Al-alloy preform completing this thinning procedure of processing, then is heated by this Al-alloy preform, and the forging of this Al-alloy preform is processed as Al-alloy thin-walled forging by recycling forging machine.
By in conjunction with this extruding step and this thinning procedure of processing, and the employing of this thinning procedure of processing is rolled Yan Fa or takes out method for making, thus make the present invention when last forging step, the 3C electronic product using this Al-alloy thin-walled forging can be realized, during typical width dimensions 200mm, further forging is thinned to below 2mm, make this Al-alloy thin-walled forging can have the advantage of different materials concurrently simultaneously, and housing or the mechanism member that pole needs light-weighted portable electronic product can be specially adapted to, and then make the present invention can reach effect of significantly the improving product scope of application and practicality.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of conventional aluminium alloy thin-walled swaged forging part;
Fig. 2 is steps flow chart block schematic diagram of the present invention;
Fig. 3 is the composition schematic diagram of stock in its extruding step of the present invention;
Fig. 3 A is the operation chart of its extruding step of the present invention;
Fig. 3 B is that the present invention adds a schematic diagram cutting operation after extruding step;
Fig. 4 is the operation chart of its thinning procedure of processing of the present invention;
Fig. 5 is the operation chart of its forging step of the present invention;
The partial cutaway schematic view of the aluminium alloy thin-walled forging of Fig. 6 made by the present invention;
The entity photo figure of the aluminium alloy thin-walled forging of Fig. 7 made by the present invention;
Fig. 8 is the structure figure after Fig. 7 part is amplified.
The aluminium alloy thin-walled swaged forging part of description of reference numerals: 1-; H-thickness; W-width; 3-extruding step; 31-aluminium alloy core; 311-R angular zone; Material is put in the plating of 32-aluminium alloy; 33-stock; 331-Al-alloy extrusion section bar; 332-Al-alloy preform; 333-Al-alloy thin-walled forging; 34-extrusion apparatus; 341-ingot-containing tube; 342-mould; 343-depression bar; 35-projection position; 4-thinning procedure of processing; 41-rolling mill; 5-forging step; 51-forging mold; 511 counterdies; 512-patrix.
Detailed description of the invention
Be below drawings and Examples etc., but content of the present invention is not limited to the scope of these embodiments.
Refer to shown in Fig. 2, the invention provides and a kind ofly have plating and put the preparation method of the aluminium alloy thin-walled forging of layer, its step comprises:
One extruding step 3, shown in Fig. 3, extruding step 3 prepares a stock 33, stock 33 includes aluminium alloy core 31 and plates with aluminium alloy and put material 32, in the present embodiment, aluminium alloy core 31 can be pole shape, aluminium alloy plating is put material 32 and be can be hollow round tubular, and aluminium alloy core 31 be sheathed on aluminium alloy plating put in material 32, the external diameter of aluminium alloy core 31 can be greater than the thickness that material 32 is put in aluminium alloy plating again, shown in Fig. 3 A, again stock 33 is placed in the ingot-containing tube 341 of extrusion apparatus 34, the heater of recycling extrusion apparatus 34 heats stock 33, stock 33 is made to be heated to state in easy plastic deformation, make its depression bar 343 of extrusion apparatus 34 towards pushing against mould 342 and the stock 33 in easy plastic deformation state near ingot-containing tube 341 direction again, thus make stock 33 be extruded by the nib of mould 342 and become Al-alloy extrusion section bar 331, Al-alloy extrusion section bar 331 is surface and has the aluminium alloy extrusion section bar that layer (material 32 is put in aluminium alloy plating) is put in plating, in the present embodiment, Al-alloy extrusion section bar 331 is a sheet material, in addition, according to shape or the style difference of its nib of mould 342, the present invention also can produce the Al-alloy extrusion section bar 331 of other kinds, such as bar or hollow tubular product,
Wherein, aluminium alloy core 31 and aluminium alloy plate puts the aluminium alloy that material 32 can be selected from two kinds of unlike materials respectively, finished product so can be allowed to have different characteristics such as high strength and corrosion resistance concurrently simultaneously, similarly be 7075, 7050 its intensity such as aluminium alloy such as 7xxx such as grade are high, and 6063, 5052 6xxx such as grade and its corrosion resistance of 5xxx aluminium alloy good, as for the aluminium such as A356 (silicon) alloy, because the characteristics such as fusing point is low then can be beneficial to hard solder (brazing) operation, thus, more particularly, aluminium alloy core 31 can select 7xxx aluminium alloy or A356 aluminium alloy, aluminium alloy plating is put material 32 and then can be selected 6xxx or 5xxx aluminium alloy, more preferably, aluminium alloy plates the fusing point that the fusing point putting material 32 is greater than aluminium alloy core 31, in the present embodiment, A356 aluminium alloy more specifically selected by aluminium alloy core 31, aluminium alloy plating is put material 32 and is selected 6063 aluminium alloys of easy anode process (at this, namely the fusing point of 6063 aluminium alloys is greater than the fusing point of A356 aluminium alloy), extrusion apparatus 34 is one indirectly extrude (indirect extrusion) equipment again, whereby, can machine utilization be reduced and have and preferably extrude quality, also namely the extruding step 3 of the present embodiment adopts indirect extrustion process, but, in the embodiment that other are feasible, the present invention also can adopt direct extrustion process or common extrustion process (Co-extrusion) to make Al-alloy extrusion section bar 331, now only this indirect extrusion apparatus need be replaced to direct extrusion apparatus or common extrusion apparatus, the structure of aforementioned various extrustion process and relevant soft hardware equipment and operating procedure, all belong to prior art and non-this case technical characteristic, therefore will not describe in detail at this,
In addition, shown in Fig. 3 A and Fig. 3 B, due in the present embodiment, Al-alloy extrusion section bar 331 is sheet material, and can present, under all there is the three layers structure being coated with layer, can be found out that by its cross section material 32 variable thickness is put in the aluminium alloy plating on R angular zone 311 surface of aluminium alloy core 31, to this, the present invention still can after completing extruding step 3, before carrying out thinning procedure of processing 4, the part first its both sides of Al-alloy extrusion section bar 331 being comprised the R angular zone 311 of aluminium alloy core 31 is excised, so, a plating can be obtained and put the quite uniform aluminium alloy extrusion section bar of layer thickness, and then make the present invention can have effect of improving product practicality and reliability concurrently,
In addition, in the present embodiment, in order to coordinate the needs of product, Al-alloy extrusion section bar 331 is on it, lower two-layer plating is put in layer only to be needed to retain one deck, to this, the present invention can after completing extruding step 3, before carrying out thinning procedure of processing 4, first utilize turnning and milling or worn method, layer is put in one of them plating of Al-alloy extrusion section bar 331 removed, whereby, shown in Fig. 4, Al-alloy extrusion section bar 331 can become two-layer structure by three layers structure originally, and then make the present invention can have improving product application concurrently and process flexible effect,
One thinning procedure of processing 4, the Al-alloy extrusion section bar 331 completing extruding step 3 is carried out further thinning to thinning procedure of processing 4 and preformed is processed, more specifically, the method that this thinning and preformed are processed can be rolls Yan Fa or for taking out method for making (Drawing), in the present embodiment, this thinning and preformed are processed employing and are rolled the method for prolonging, shown in Fig. 4, Al-alloy extrusion section bar 331 is become an Al-alloy preform 332 by rolling mill 41 rotary rolling mill by it, so can reach the effect of further thinning and change Al-alloy extrusion section bar 331 shape, in addition, in the embodiment that other are feasible, take out method for making and also can reach similar effect of rolling the method for prolonging, and be specially adapted to the application scenario that Al-alloy preform 332 will be made into the seamless pipe of slimming, because its detailed step and operating principle also belong to known technology, repeat no more in this,
One forging step 5, shown in Fig. 5, the Al-alloy preform 332 completing thinning procedure of processing 4 is placed in the counterdie 511 of a forging mold 51 by forging step 5, at this, counterdie 511 is the master mold with flat surfaces, preferably, there is in Al-alloy preform 332 aluminium alloy plating and put the side of material 32 towards counterdie 511, again the patrix 512 of forging mold 51 is covered above Al-alloy preform 332 and counterdie 511, wherein patrix 512 is the male model of shapeable product-forming, thus, there is the side of aluminium alloy core 31 then towards patrix 512 in Al-alloy preform 332, now, again Al-alloy preform 332 is heated, wherein, the temperature of this heating is preferably set in can put material 32 respectively in semisolid and solid-state temperature with seasonal aluminium alloy core material 31 and aluminium alloy plating, recycling forging machine pressurizes to forging mold 51, die sinking again after cooling, shown in Fig. 6, so Al-alloy preform 332 can be processed as the Al-alloy thin-walled forging 333 conformed to the shape of forging mold 51, Al-alloy thin-walled forging 333 is has the aluminium alloy thin-walled forging that layer is put in plating, at this, it is worth mentioning that, put material 32 due to aluminium alloy plating in the present embodiment and select 6063 aluminium alloys with low-alloy content and high-melting-point characteristic, therefore aluminium alloy plating put material 32 can solid-state, hot-forging forming under the state of low temperature and lazy flow, and relatively tiny crystal grain can be possessed after forging, and relatively careful anode appearance, simultaneously, because A356 aluminium alloy (having the characteristic of low melting point) selected by aluminium alloy core 31, and make it can in semisolid, hot-forging forming under the state of high temperature and high fluidity, namely also the present invention can under the condition allowing the top layer of composite aluminium alloy plates (namely putting 6063 aluminium alloys of layer as plating) at solid-state and Low Temperature Thermal forging molding, the core of this composite aluminium alloy plates (i.e. A356 aluminium alloy) can also be allowed to maintain semisolid hot-forging forming simultaneously, thus conventional forging can be broken through at one stroke cannot forge the difficult problem being thinned to below 2mm further when width 200mm, referring again to shown in Fig. 7 and Fig. 8, be respectively the entity photo figure of the Al-alloy thin-walled forging 333 produced by the present invention and the structure figure at its projection position 35 of Al-alloy thin-walled forging 333, the microstructure of putting material 32 is plated by aluminium alloy core 31 in this structure figure and aluminium alloy, can find out that both are really respectively at forging molding under semisolid and solid conditions, thus confirm feasibility of the present invention.
Refer to shown in Fig. 2, by present invention incorporates extruding step 3 and a thinning procedure of processing 4, and thinning procedure of processing 4 employing is rolled Yan Fa or takes out method for making, and first can make through extrustion process the aluminium alloy extrusion section bar having and plate and put layer, again through rolling Yan Fa or taking out this aluminium alloy extrusion section bar of the further thinning of method for making, thus make the present invention when last forging step 5, the 3C electronic product using Al-alloy thin-walled forging 333 can be realized, during typical width dimensions 200mm, further forging is thinned to below 2mm, thus make the present invention significantly can reduce follow-up required NC procedure and man-hour, make Al-alloy thin-walled forging 333 can have the advantage of different materials concurrently simultaneously, and housing or the mechanism member that pole needs light-weighted portable electronic product can be specially adapted to, and then make the present invention can reach effect of significantly the improving product scope of application and practicality.
Above-described embodiment is only be described the preferred embodiment of the present invention; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; the various distortion that those of ordinary skill in the art make technical scheme of the present invention and improvement, all should fall in protection domain that claims of the present invention determines.
Claims (10)
1. there is the preparation method that the aluminium alloy thin-walled forging of layer is put in plating, it is characterized in that comprising following steps:
Extruding step, prepare a stock, this stock includes aluminium alloy core and aluminium alloy and plates and put material, and this aluminium alloy core and this aluminium alloy plate and put the aluminium alloy that material is selected from unlike material respectively, then is inserted by this stock and extrude into Al-alloy extrusion section bar through extrusion apparatus;
Thinning procedure of processing, carries out further thinning by this Al-alloy extrusion section bar completing this extruding step and preformed is processed, and makes this Al-alloy extrusion section bar become Al-alloy preform;
Forging step, this Al-alloy preform completing this thinning procedure of processing is placed in forging mold, again this Al-alloy preform is heated, recycling forging machine pressurizes to this forging mold, die sinking again after cooling, so can be processed as Al-alloy thin-walled forging by this Al-alloy preform.
2. there is preparation method that the aluminium alloy thin-walled forging of layer is put in plating as claimed in claim 1, it is characterized in that: this aluminium alloy plates the fusing point that the fusing point putting material is greater than this aluminium alloy core, and the temperature heated in this forging step is set as to put material respectively in semisolid and solid-state temperature with this aluminium alloy core seasonal and aluminium alloy plating.
3. there is preparation method that the aluminium alloy thin-walled forging of layer is put in plating as claimed in claim 1, it is characterized in that: the method that the thinning of this thinning procedure of processing and preformed are processed is for rolling the method for prolonging.
4. there is preparation method that the aluminium alloy thin-walled forging of layer is put in plating as claimed in claim 1, it is characterized in that: the method that the thinning of this thinning procedure of processing and preformed are processed is for taking out method for making, and this Al-alloy preform is made into the seamless pipe of slimming.
5. have the preparation method that the aluminium alloy thin-walled forging of layer is put in plating as claimed in claim 1, it is characterized in that: this aluminium alloy core selects 7xxx aluminium alloy or A356 aluminium alloy, aluminium alloy plating is put material and is then selected 6xxx or 5xxx aluminium alloy.
6. the preparation method of the aluminium alloy thin-walled forging of layer is put in the plating that has according to any one of claim 1-5, it is characterized in that: this its forging mold of forging step includes a counterdie and a patrix, this counterdie is the master mold with flat surfaces, this patrix is the male model of shapeable product-forming, and there is the side that aluminium alloy plating puts material towards this counterdie in this Al-alloy preform, there is the side of aluminium alloy core then towards this patrix in this Al-alloy preform.
7. there is plating as described in claim 1 and put the preparation method of the aluminium alloy thin-walled forging of layer, it is characterized in that: this aluminium alloy core is pole shape, and the plating of this aluminium alloy to put material be hollow round tubular.
8. there is preparation method that the aluminium alloy thin-walled forging of layer is put in plating as claimed in claim 7, it is characterized in that: this Al-alloy extrusion section bar is sheet material.
9. there is preparation method that the aluminium alloy thin-walled forging of layer is put in plating as described in claim 8, it is characterized in that: after completing this extruding step, before carrying out this thinning procedure of processing, first the part that these its both sides of Al-alloy extrusion section bar comprise the R angular zone of aluminium alloy core is excised.
10. there is preparation method that the aluminium alloy thin-walled forging of layer is put in plating as described in claim 8, it is characterized in that: after completing this extruding step, before carrying out this thinning procedure of processing, first utilize turnning and milling or worn method, layer is put in one of them plating of this Al-alloy extrusion section bar and is removed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567244.3A CN104624894B (en) | 2013-11-13 | 2013-11-13 | There is the manufacture method that the aluminium alloy thin-walled forging of layer is put in plating |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310567244.3A CN104624894B (en) | 2013-11-13 | 2013-11-13 | There is the manufacture method that the aluminium alloy thin-walled forging of layer is put in plating |
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| Publication Number | Publication Date |
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| CN104624894A true CN104624894A (en) | 2015-05-20 |
| CN104624894B CN104624894B (en) | 2016-11-23 |
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| CN201310567244.3A Expired - Fee Related CN104624894B (en) | 2013-11-13 | 2013-11-13 | There is the manufacture method that the aluminium alloy thin-walled forging of layer is put in plating |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105772612A (en) * | 2016-05-13 | 2016-07-20 | 北京科技大学 | Preparation method for gold-cladding copper composite wire |
| CN107263018A (en) * | 2016-04-08 | 2017-10-20 | 杰出材料科技股份有限公司 | Cycle frame tubing preparation method |
| CN107716821A (en) * | 2017-10-11 | 2018-02-23 | 东莞盛翔精密金属有限公司 | The anti-oxidation progressive die hot forging process of stainless steel |
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| CN102248022A (en) * | 2011-06-14 | 2011-11-23 | 西安交通大学 | Process for manufacturing bimetal thin-wall composite pipe |
| DE102012000979A1 (en) * | 2012-01-20 | 2013-07-25 | Tox Pressotechnik Gmbh & Co. Kg | Method for connecting e.g. screw with metal sheet workpiece utilized in furniture industry, involves deforming component portion such that material of portion forms fixed connection between attachment element and component |
| CN103286150A (en) * | 2012-02-29 | 2013-09-11 | 冯一鸣 | Forming method of aluminum extrusion |
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- 2013-11-13 CN CN201310567244.3A patent/CN104624894B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101428302A (en) * | 2008-10-31 | 2009-05-13 | 长安汽车（集团）有限责任公司 | Aldural conical thin-wall member workblank extrusion forming process |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104624894B (en) | 2016-11-23 |
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