CN105666061B - A kind of radiator preparation technology of good seal performance - Google Patents
A kind of radiator preparation technology of good seal performance Download PDFInfo
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- CN105666061B CN105666061B CN201610164950.7A CN201610164950A CN105666061B CN 105666061 B CN105666061 B CN 105666061B CN 201610164950 A CN201610164950 A CN 201610164950A CN 105666061 B CN105666061 B CN 105666061B
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- rotating speed
- pack alloy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/10—Heat sinks
Abstract
The invention discloses a kind of radiator preparation technology of good seal performance, including preparing pack alloy and inserts, the horizontal contact face of pack alloy is provided with first annular groove on the inserts, vertical contact surface on inserts with pack alloy is provided with the second annular groove, pack alloy is provided with first annular projection with the position that first annular groove is adapted to, and pack alloy is provided with the second annular protrusion with the position that the second annular groove is adapted to；The preparation of pack alloy and inserts comprises the following steps：Raw material melting, die casting, machining, cleaned and packed again through leak-testing is qualified after completion of processing；The present invention carries out leak-testing No leakage under 0.2MPa air pressure conditions, solves the leakage problem for the part that inserts is studded with aluminium alloy compression casting industry；It disclosure satisfy that during use to sealing, radiating, the performance requirement such as mechanical strength, reduce maintenance maintenance cost, production efficiency is high, and the market competitiveness is extremely strong.
Description
Technical field
The present invention relates to radiator manufacturing technology field, the radiator preparation technology of specifically a kind of good seal performance.
Background technology
Radiator is mainly made up of main leaf, hydroecium, side plate, radiating tube, heat-radiation belt etc., and the slip of existing radiator reaches
40%, scrappage reaches 30%, greatly reduces qualification rate, influences to use；Up to now, closed in Die Casting Industry without using aluminium
Gold or red copper use the precedent in the die-cast product of seal request as inserts, as shown in Figure 1, at most simply aluminium alloy
Or red copper inserts is applied in the diecast parts of no sealing requirements, the difficult point of this technique is two kinds of materials in press casting procedure
In can not merge, cause die casting come out part can be leaked in lumen loading high-pressure medium；Prior art can not solve to seal
Problem, it is only used in the diecast parts of no sealing requirements, significantly limit the application and cost cutting of product,
Its basic reason is：First, the contact area of inserts and pack alloy is smaller；Second, aluminium alloy solution, mould in press casting procedure
Tool and inserts temperature are not high enough, cause inserts and pack alloy stickiness poor, exist and its small gap；3rd, die casting
When product mould remaining time it is short, mould causes the gap between inserts and pack alloy bigger to the traction force of part during die sinking；
For these reasons, it is necessary to propose new preparation technology to improve the sealing property of radiator, to meet use demand.
The content of the invention
It is an object of the invention to provide a kind of radiator preparation technology of good seal performance, to solve aluminium alloy compression casting row
The leakage problem of the part of aluminium alloy or red copper inserts is studded with industry, manufacturing cost is greatly reduced, improves production efficiency.
To achieve the above object, the present invention provides following technical scheme：
The radiator preparation technology of a kind of good seal performance, including prepare pack alloy and inserts, on the inserts with
The horizontal contact face of pack alloy is provided with first annular groove, and the vertical contact surface on inserts with pack alloy is provided with
Second annular groove, pack alloy are provided with first annular projection, pack alloy with the position that first annular groove is adapted to
The position being adapted to the second annular groove is provided with the second annular protrusion；The preparation of pack alloy and inserts includes following step
Suddenly：
(1) raw material melting：Raw material are AlSi12Fe, aluminium ingot uses 100% virgin material, after feeding intake, igniting stirring, adds
Slagging agent and smelting agent, aluminium coolant-temperature gage are controlled at 720 DEG C -760 DEG C, after examining chemical composition qualified, are gone out aluminium water, are transported to degasification
Equipment carries out degassing processing, and sampling examines degassing effect with hydrogen meter, and cloth Le die casting machine holding furnace is transported to after qualified and is protected
Temperature；
(2) die casting：Die casting machine is strangled from 340T cloth and carries out die casting, and active and inactive mold is heated using die heater, controls mould
It is 300 ± 5 DEG C to have temperature, and aluminium coolant-temperature gage is controlled at 705 ± 5 DEG C, carries out die casting from φ 70 drift, while inserts is carried out
100 DEG C of the pre-heat treatments, die casting step include：Low speed die casting, high speed die casting and supercharging die casting；
(3) machine：From four axle Mazak machining centers, cutting fluid concentration control is machined out in 6%-10%,
Including following procedure of processing：
3.1) the big plane A reference planes in milling upper end：Rough mill useFace milling cutters, rotating speed S7000, drilling feeding F4000；Essence
Milling usesFace milling cutters, rotating speed S7000, drilling feeding F1000；
3.2) milling upper end M4 screwed holes：Bottom outlet is bored to useDrilling reamer, rotating speed S360, drilling feeding F150；Tapping
Using M4 screw taps, rotating speed S1000, drilling feeding F0.7；
3.3) milling side NPT screw threads：Thread milling end face usesMilling cutter, rotating speed S6000, drilling feeding F800；Attack NPT
Screw thread uses NPT milling cutters, rotating speed S3500, drilling feeding F500；
3.4) milling B reference planes：UsingMilling cutter, rotating speed S2000, drilling feeding F600；
3.5) milling C reference planes：UsingMilling cutter, rotating speed S2000, drilling feeding F600；
3.6) milling bottom surface cross convex portion：UsingMilling cutter, rotating speed S6000, drilling feeding F600；
3.7) milling bottom surface M4 screwed holes：Bottom outlet is bored to useDrilling reamer, rotating speed S360, drilling feeding F150；Attack spiral shell
Line uses M4 screw taps, rotating speed S1000, drilling feeding F0.7；
3.8) milling bottom surface boss：Bottom surface boss is provided with 8, rough mills useMilling cutter, rotating speed S8000, drill into
To F1800；Finish-milling usesMilling cutter, rotating speed S8000, drilling feeding F450；
(4) leak-testing：First annular groove on inserts is engaged with first annular projection on pack alloy, the second ring
Connected in star engages with the second annular protrusion realizes that the sealing of inserts and pack alloy is fixed, in 0.2MPa air pressure conditions, pressurize
Under the conditions of time >=1min, enter water-filling pressure testing leak-testing, bubble-free is qualified；
(5) clean：Qualified products are cleaned using supersonic wave cleaning machine, spray temperature and cleaning temperature control 50
± 15 DEG C, at 75 ± 15 DEG C, cleaning fluid uses PWC-001 for drying tunnel temperature control, and concentration control is 0.5%-2%, and pH value controls
For 7-9；
(6) pack：Product after cleaning carries out outward appearance detection under incandescent lamp irradiation, is entered after detection is qualified using bubble bags
Row packaging.
As the further scheme of the present invention：Casting pressure is 850bar in the step 2, and barrel effective length is
441mm, material handle thickness is 20 ± 5mm, mould remaining time 6s.
As further scheme of the invention：In the step 2, low speed die casting comprises the following steps：
A. punch stroke is to 100mm, speed 0.1m/s；
B. punch stroke is to 190mm, speed 0.25m/s；
C. punch stroke is to 320mm, speed 0.3m/s.
As further scheme of the invention：In the step 2, high speed total kilometres are 65mm, high speed die casting include with
Lower step：
A. punch stroke is to 355mm, speed 3.5m/s；
B. punch stroke is braked to 400mm, and speed reduces to 2.0m/s.
As further scheme of the invention：In the step 2, it is die cast as when punch stroke starts to 401mm
Pressurization control switches, and is pressurized 180bar, supercharging time delay is 0.02s.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is in press casting procedure aluminium alloy or red copper
Inserts is embedded into pack alloy, in order to increase the contact area of inserts and pack alloy, is let out and for extending
Test leakage tries the distance of media flow, reduces the possibility of leakage, 2 annular grooves are added on inserts, respectively first annular
Groove and the second annular groove, first annular groove are arranged on the horizontal contact face of inserts and pack alloy, the second annular
Groove is arranged on the vertical contact surface of inserts and pack alloy；In order to improve the amalgamation of inserts and pack alloy, adopt
Following measures are taken：Die casting is heated with die heater, temperature control is at 300 ± 5 DEG C；Control die casting temperature of aluminum liquid exists
Between 700-710 DEG C；Mould remaining time was extended to 6 seconds from 3 seconds；100 DEG C of the pre-heat treatments are carried out to inserts, then inserts is put into pressure
In cast aluminium alloy；Product prepared by the present invention carries out leak-testing No leakage under 0.2MPa air pressure conditions, solves aluminium alloy
The leakage problem of the part of inserts is studded with Die Casting Industry；It disclosure satisfy that sealing during radiator use, radiating, machinery are strong
The performance requirements such as degree；Radiator scrappage can be substantially reduced, reduces the manufacturing cost of radiator, and production efficiency is high, market is competing
It is extremely strong to strive power.
Brief description of the drawings
Fig. 1 is the mounting structure sectional view of inserts and pack alloy in the prior art.
Fig. 2 is the mounting structure sectional view of inserts and pack alloy in the present invention.
Fig. 3 is the mplifying structure schematic diagram of part A in Fig. 2.
Fig. 4 is the dimensional structure diagram of inserts in the present invention.
Fig. 5 is the positive dimensional structure diagram of the present invention.
Fig. 6 is the back side dimensional structure diagram of the present invention.
Wherein, the big plane A reference planes in 1- upper ends；2- upper ends M4 screwed holes；3- sides NPT screw threads；4-B reference planes；5-C bases
Quasi- face；6- bottom surface cross convex portion；7- bottom surface M4 screwed holes；8- bottom surface boss；11- pack alloys；22- inserts；
The first annular grooves of 33-；The annular grooves of 44- second；The first annular projections of 55-；The annular protrusions of 66- second.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1~6, in the embodiment of the present invention, a kind of radiator preparation technology of good seal performance, including prepare pressure
Cast aluminium alloy 11 and inserts 22, the horizontal contact face on inserts 22 with pack alloy 11 are provided with first annular groove 33, erect
Direct contacting surface is provided with the second annular groove 44, and the position that pack alloy 11 is adapted to first annular groove 33 is provided with first
Annular protrusion 55, pack alloy 11 are provided with the second annular protrusion 66 with the position that the second annular groove 44 is adapted to；Die casting aluminium
The preparation of alloy 11 and inserts 22 comprises the following steps：
(1) raw material melting：The raw material are AlSi12Fe, aluminium ingot uses 100% virgin material, after feeding intake, igniting stirring,
Slagging agent and smelting agent are added, aluminium coolant-temperature gage is controlled at 720 DEG C -760 DEG C, after examining chemical composition qualified, is gone out aluminium water, is transported to
Degassing apparatus carries out degassing processing, and sampling examines degassing effect with hydrogen meter, and cloth Le die casting machine holding furnace is transported to after qualified and is entered
Row insulation；
(2) die casting：Die casting machine is strangled from 340T cloth and carries out die casting, and active and inactive mold is heated using die heater, controls mould
It is 300 ± 5 DEG C to have temperature, and aluminium coolant-temperature gage is controlled at 705 ± 5 DEG C, carries out die casting from φ 70 drift, while inserts is carried out
100 DEG C of the pre-heat treatments, casting pressure 850bar, barrel effective length are 441mm, and material handle thickness is 20 ± 5mm, mould remaining time
For 6s, die casting step includes：
2.1) low speed die casting：
A. punch stroke is to 100mm, speed 0.1m/s；
B. punch stroke is to 190mm, speed 0.25m/s；
C. punch stroke is to 320mm, speed 0.3m/s；
2.2) high speed die casting：
A. punch stroke is to 355mm, speed 3.5m/s；
B. punch stroke is braked to 400mm, and speed reduces to 2.0m/s；
C. high speed total kilometres：65mm；
2.3) it is pressurized die casting：When punch stroke to 401mm starts pressurization control switching, supercharging 180bar, when supercharging postpones
Between be 0.02s；
(3) machine：From four axle Mazak machining centers, cutting fluid concentration control is machined out in 6%-10%,
Including following procedure of processing：
3.1) the big plane A reference planes 1 in milling upper end：Rough mill useFace milling cutters, rotating speed S7000, drilling feeding F4000；
Finish-milling usesFace milling cutters, rotating speed S7000, drilling feeding F1000；
3.2) milling upper end M4 screwed holes 2：Bottom outlet is bored to useDrilling reamer, rotating speed S360, drilling feeding F150；Attack spiral shell
Line uses M4 screw taps, rotating speed S1000, drilling feeding F0.7；
3.3) milling side NPT screw threads 3：Thread milling end face usesMilling cutter, rotating speed S6000, drilling feeding F800；Attack
NPT screw threads use NPT milling cutters, rotating speed S3500, drilling feeding F500；
3.4) milling B reference planes 4：UsingMilling cutter, rotating speed S2000, drilling feeding F600；
3.5) milling C reference planes 5：UsingMilling cutter, rotating speed S2000, drilling feeding F600；
3.6) milling bottom surface cross convex portion 6：UsingMilling cutter, rotating speed S6000, drilling feeding F600；
3.7) milling bottom surface M4 screwed holes 7：Bottom outlet is bored to useDrilling reamer, rotating speed S360, drilling feeding F150；Attack
Screw thread uses M4 screw taps, rotating speed S1000, drilling feeding F0.7；
3.8) milling bottom surface boss 8：Bottom surface boss 8 is provided with 8, rough mills useMilling cutter, rotating speed S8000, drilling
Feed F1800；Finish-milling usesMilling cutter, rotating speed S8000, drilling feeding F450；
(4) leak-testing：By first annular raised 55 card on first annular groove 33 on inserts 22 and pack alloy 11
Closing, the second annular groove 44 engages with the second annular protrusion 66 realizes that the sealing of inserts 22 and pack alloy 11 is fixed,
0.2MPa air pressure conditions, under the conditions of dwell time >=1min, enter water-filling pressure testing leak-testing, bubble-free is qualified；
(5) clean：Qualified products are cleaned using supersonic wave cleaning machine, spray temperature and cleaning temperature control 50
± 15 DEG C, at 75 ± 15 DEG C, cleaning fluid uses PWC-001 for drying tunnel temperature control, and concentration control is 0.5%-2%, and pH value controls
For 7-9；
(6) pack：Product after cleaning carries out outward appearance detection under incandescent lamp irradiation, is entered after detection is qualified using bubble bags
Row packaging.
The present invention sets about in terms of following two, and aluminium alloy or red copper inserts 22 are embedded into die casting in press casting procedure
In aluminium alloy 11, the purpose that product does not leak under 0.2MPa air pressure conditions can be met：
1. in order to increase the contact area of inserts 22 and pack alloy 11, and for extending leak-testing medium
The distance of flowing, the possibility of leakage is reduced, 2 annular grooves are added on inserts 11, the respectively first annular He of groove 33
Second annular groove 44, first annular groove 33 are arranged on the horizontal contact face of inserts 22 and pack alloy 11, the second ring
Connected in star 44 is arranged on the vertical contact surface of inserts 22 and pack alloy 11；
2. in order to improve the amalgamation of inserts 22 and pack alloy 11, following measures are taken：
2.1 are heated with die heater to die casting, and temperature control is at 300 ± 5 DEG C；
2.2 control die casting temperature of aluminum liquid are between 700-710 DEG C；
2.3 extended to mould remaining time 6 seconds from 3 seconds；
2.4 pairs of inserts 22 carry out 100 DEG C of the pre-heat treatments, then inserts 22 is put into pack alloy 11.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that those skilled in the art should for clarity
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It is appreciated that other embodiment.
Claims (5)
1. a kind of radiator preparation technology of good seal performance, including prepare pack alloy (11) and inserts (22), its feature
It is：Horizontal contact face on the inserts (22) with pack alloy (11) is provided with first annular groove (33), inserts
(22) the second annular groove (44), pack alloy (11) and first are provided with the vertical contact surface of pack alloy (11)
The position of annular groove (33) adaptation is provided with first annular raised (55), pack alloy (11) and the second annular groove (44)
The position of adaptation is provided with the second annular protrusion (66)；The preparation of pack alloy (11) and inserts (22) comprises the following steps：
(1) raw material melting：Raw material are AlSi12Fe, aluminium ingot uses 100% virgin material, after feeding intake, igniting stirring, adds slag hitting
Agent and smelting agent, aluminium coolant-temperature gage are controlled at 720 DEG C -760 DEG C, after examining chemical composition qualified, are gone out aluminium water, are transported to degassing apparatus
Degassing processing is carried out, sampling examines degassing effect with hydrogen meter, and cloth Le die casting machine holding furnace is transported to after qualified and is incubated；
(2) die casting：Die casting machine is strangled from 340T cloth and carries out die casting, and active and inactive mold is heated using die heater, controls mould temperature
Spend for 300 ± 5 DEG C, aluminium coolant-temperature gage is controlled at 705 ± 5 DEG C, carries out die casting from φ 70 drift, while carry out 100 to inserts
DEG C the pre-heat treatment, die casting step include：Low speed die casting, high speed die casting and supercharging die casting；
(3) machine：From four axle Mazak machining centers, cutting fluid concentration control is machined out in 6%-10%, including
Following procedure of processing：
3.1) the big plane A reference planes (1) in milling upper end：Rough mill useFace milling cutters, rotating speed S7000, drilling feeding F4000；Essence
Milling usesFace milling cutters, rotating speed S7000, drilling feeding F1000；
3.2) milling upper end M4 screwed holes (2)：Bottom outlet is bored to useDrilling reamer, rotating speed S360, drilling feeding F150；Tapping
Using M4 screw taps, rotating speed S1000, drilling feeding F0.7；
3.3) milling side NPT screw threads (3)：Thread milling end face usesMilling cutter, rotating speed S6000, drilling feeding F800；Attack NPT
Screw thread uses NPT milling cutters, rotating speed S3500, drilling feeding F500；
3.4) milling B reference planes (4)：UsingMilling cutter, rotating speed S2000, drilling feeding F600；
3.5) milling C reference planes (5)：UsingMilling cutter, rotating speed S2000, drilling feeding F600；
3.6) milling bottom surface cross convex portion (6)：UsingMilling cutter, rotating speed S6000, drilling feeding F600；
3.7) milling bottom surface M4 screwed holes (7)：Bottom outlet is bored to useDrilling reamer, rotating speed S360, drilling feeding F150；Attack spiral shell
Line uses M4 screw taps, rotating speed S1000, drilling feeding F0.7；
3.8) milling bottom surface boss (8)：Bottom surface boss (8) is provided with 8, rough mills useMilling cutter, rotating speed S8000, drilling
Feed F1800；Finish-milling usesMilling cutter, rotating speed S8000, drilling feeding F450；
(4) leak-testing：By first annular projection on first annular groove (33) on inserts (22) and pack alloy (11)
(55) engage, the second annular groove (44) engages with the second annular protrusion (66) realizes inserts (22) and pack alloy (11)
Sealing is fixed, and under the conditions of 0.2MPa air pressure conditions, dwell time >=1min, enters water-filling pressure testing leak-testing, bubble-free is conjunction
Lattice；
(5) clean：Qualified products are cleaned using supersonic wave cleaning machine, spray temperature and cleaning temperature control 50 ± 15
DEG C, at 75 ± 15 DEG C, cleaning fluid uses PWC-001 for drying tunnel temperature control, and concentration control is 0.5%-2%, and pH value control is 7-
9；
(6) pack：Product after cleaning carries out outward appearance detection under incandescent lamp irradiation, is wrapped after detection is qualified using bubble bags
Dress.
2. the radiator preparation technology of good seal performance according to claim 1, it is characterised in that cast in the step 2
It is 850bar to make pressure, and barrel effective length is 441mm, and material handle thickness is 20 ± 5mm, mould remaining time 6s.
3. the radiator preparation technology of good seal performance according to claim 1, it is characterised in that low in the step 2
Ram compression casting comprises the following steps：
A. punch stroke is to 100mm, speed 0.1m/s；
B. punch stroke is to 190mm, speed 0.25m/s；
C. punch stroke is to 320mm, speed 0.3m/s.
4. the radiator preparation technology of good seal performance according to claim 1, it is characterised in that high in the step 2
Fast total kilometres are 65mm, and high speed die casting comprises the following steps：
A. punch stroke is to 355mm, speed 3.5m/s；
B. punch stroke is braked to 400mm, and speed reduces to 2.0m/s.
5. the radiator preparation technology of good seal performance according to claim 1, it is characterised in that in the step 2, increase
It is die cast as when punch stroke to 401mm starts pressurization control switching, supercharging 180bar, supercharging time delay is 0.02s.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610164950.7A CN105666061B (en) | 2016-03-22 | 2016-03-22 | A kind of radiator preparation technology of good seal performance |
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|---|---|---|---|
| CN201610164950.7A CN105666061B (en) | 2016-03-22 | 2016-03-22 | A kind of radiator preparation technology of good seal performance |
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| CN105666061B true CN105666061B (en) | 2018-04-06 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181251B (en) * | 2016-08-04 | 2018-08-17 | 东莞宜安科技股份有限公司 | The threaded hole manufacturing method of block terminal metal shell |
| CN109696661A (en) * | 2018-12-18 | 2019-04-30 | 宁波泛德压铸有限公司 | Radar aluminium die casting shell and its production method |
| CN109531165A (en) * | 2018-12-29 | 2019-03-29 | 苏州莱易精密机电有限公司 | A kind of dentist's chair shaped piece brill thread milling device |
| CN109877289B (en) * | 2019-01-29 | 2021-08-24 | 东莞捷荣技术股份有限公司 | Seven-series aluminum alloy small part and die casting method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538668A (en) * | 2009-04-28 | 2009-09-23 | 中铝河南铝业有限公司 | Production process of aluminum alloy hot rolling medium plate |
| CN102111983A (en) * | 2009-12-25 | 2011-06-29 | 苏州春兴精工股份有限公司 | Adhered radiator and production method thereof |
| CN103836719A (en) * | 2014-02-28 | 2014-06-04 | 赵铎 | Aluminum alloy radiator and manufacture technology thereof |
| CN105112736A (en) * | 2015-09-07 | 2015-12-02 | 苏州凯宥电子科技有限公司 | Die-cast aluminum alloy and preparing method thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007093025A (en) * | 2005-09-27 | 2007-04-12 | Showa Denko Kk | Heat exchanger and its manufacturing method |
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- 2016-03-22 CN CN201610164950.7A patent/CN105666061B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538668A (en) * | 2009-04-28 | 2009-09-23 | 中铝河南铝业有限公司 | Production process of aluminum alloy hot rolling medium plate |
| CN102111983A (en) * | 2009-12-25 | 2011-06-29 | 苏州春兴精工股份有限公司 | Adhered radiator and production method thereof |
| CN103836719A (en) * | 2014-02-28 | 2014-06-04 | 赵铎 | Aluminum alloy radiator and manufacture technology thereof |
| CN105112736A (en) * | 2015-09-07 | 2015-12-02 | 苏州凯宥电子科技有限公司 | Die-cast aluminum alloy and preparing method thereof |
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