CN105880767A - Welding process for radiator - Google Patents
Welding process for radiator Download PDFInfo
- Publication number
- CN105880767A CN105880767A CN201410727608.4A CN201410727608A CN105880767A CN 105880767 A CN105880767 A CN 105880767A CN 201410727608 A CN201410727608 A CN 201410727608A CN 105880767 A CN105880767 A CN 105880767A
- Authority
- CN
- China
- Prior art keywords
- product
- radiator
- hydroecium
- main leaf
- brazing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Abstract
The invention relates to a welding process for a radiator. The welding process comprises the following steps of S1: straightening the bottom surface of a main sheet to make the main sheet contacted with the bottom plane of a water chamber through the surface; S2: setting the fit tolerance of four corners of the main sheet and the water chamber to be 0.04mm; S3: locking edges of the water chamber by adopting an edge locking clamp; and S4: soaking a product in a brazing flux, drying and carrying out brazing. The welding process has the beneficial effects that the welding process has the advantages of high accuracy of parts, firmness in the water chamber and the parts installed on the water chamber, little brazing flux crystals which cover the surface of the product after being welded, high welding qualified rate, low reject rate of the product and the like.
Description
Technical field
The present invention relates to the welding procedure of a kind of radiator.
Background technology
Radiator is the critical component of automobile cooling system.Aluminium radiator is divided into combined type and all-aluminium type
Two kinds.Combined radiator is mainly made up of radiator centre, left and right plastic water chamber and rubber gasket,
Its core is radiator centre.Radiator centre is by main leaf, side plate, radiating tube, heat-radiation belt 4
It is grouped into, by soldering tech, aluminium is welded together, then connect scattered by the way of machinery undercut
Hot device fuse and hydroecium, thus compressing rubber sealing gasket reaches the effect of sealing；All-aluminum type radiator is relatively
Combined radiator is structurally complicated many, and except having the parts of radiator centre, it distinguishes it
Place is to have employed blower with metallic water chamber, is assembled with hydroecium by radiator centre before brazing, more overall
Welding, reaches the effect sealed by the weld seam produced between part.
Radiator subject matter aborning is at present:
1, easily leak at hydroecium and main leaf；
2, soldering qualification rate of product is low, and the most only 67%；
3, product rejection rate is high, integral braze-welded owing to being employing, once produces at radiating tube and main leaf
Leakage, it is virtually impossible to carry out reprocessing repair welding, cause percent defective to be up to 18%；
4, all-aluminium type brazing product all has the parts such as installing plate, large and small ozzle on hydroecium, is producing
Product welding process is acted on by gravity, hydroecium can be caused to deviate from from main leaf, affect the outward appearance of product
Quality；
5, the brazing flux that product surface is covered is too much, and postwelding product surface can be caused to cover substantial amounts of pricker
Agent crystallizes, thus affects the presentation quality of product；
6, in the furnace brazing of continuous print tunnel it is the key of the whole production process of product, suitable soldering
Temperature and guipure speed are to ensure that the important step of brazing quality, and brazing temperature is the highest, and guipure speed is too
Slowly, the defects such as brazing filler metal erosion, corrode, fin bending are easily caused；Brazing temperature is the lowest, guipure speed
Too fast, product cannot obtain the brazing temperature of necessity, easily causes rosin joint, leakage, weld seam discontinuous etc.
Defect.
Summary of the invention
In view of the above-mentioned problems in the prior art, present invention is primarily targeted at the existing skill of solution
The defect of art, the present invention provides a kind of element precision high, the part secure that hydroecium and hydroecium are installed,
It is few that welding rear surface covers brazing flux crystallization, and solder yield is high, the weldering of the radiator that product rejection rate is low
Connect technique.
The invention provides the welding procedure of a kind of radiator, comprise the following steps:
S1: stretched the bottom surface of main leaf, makes main leaf carry out face with the baseplane of hydroecium and contacts；
S2: the fit tolerance of the four of main leaf corners Yu hydroecium is set to 0.04mm；
S3: use lock seaming fixture that hydroecium is lockstitched a border；
S4: carry out product in brazing flux soaking pricker, being dried and soldering.
Optionally, described lock seaming fixture is provided with stopping means, and corner respectively arranges a riveting alignment pin.
Optionally, the concentration of described brazing flux is 1.03～1.08kg/l.
Optionally, described dry temperature is 110 DEG C～240 DEG C.
Optionally, the temperature of described soldering is 550 DEG C～680 DEG C, and the time of soldering is 3～6 minutes.
The present invention has the following advantages and beneficial effect: 1, improve element precision；2, reinforce hydroecium and
The part installed on hydroecium；3, the brazing flux crystallization that postwelding product surface covers is reduced；4, soldering is improved
Qualification rate, reduces product rejection rate.
Accompanying drawing explanation
Fig. 1 is the attachment structure schematic diagram of existing hydroecium and main leaf；
Fig. 2 is the attachment structure schematic diagram of hydroecium of the present invention and main leaf；
Fig. 3 is the structural representation of radiator of the present invention.
Detailed description of the invention
The present invention is further illustrated with specific embodiment below with reference to accompanying drawings.
As shown in Figure 1 to Figure 3: the welding procedure of a kind of radiator of the embodiment of the present invention, including with
Lower step:
S1: stretched the bottom surface of main leaf 1, makes main leaf 1 carry out face with the baseplane of hydroecium 2 and contacts；
S2: the fit tolerance of four corners of main leaf 1 Yu hydroecium is set to 0.04mm；
S3: use lock seaming fixture that hydroecium is lockstitched a border；
S4: carry out product in brazing flux soaking pricker, being dried and soldering.
As the preferred embodiment of the invention, described lock seaming fixture is provided with stopping means, and corner respectively sets
Put a riveting alignment pin.
As the preferred embodiment of the invention, the concentration of described brazing flux is 1.03～1.08kg/l.
As the preferred embodiment of the invention, described dry temperature is 110 DEG C～240 DEG C.
As the preferred embodiment of the invention, the temperature of described soldering is 550 DEG C～680 DEG C, soldering
Time be 3～6 minutes.
In above-mentioned technique, improvement is as follows:
1. change main leaf part stretch die scheme one.Purpose is to be stretched by R0.8 on main leaf bottom surface
For R0, so it is beneficial to hydroecium assembling and puts in place, and the horn shape of main leaf oral area can be reduced, with
Improve the welding of element precision, beneficially product.
The improvement that facts have proved the program is fruitful.From the point of view of the part of punching, precision is the best,
Reach the size that figure two requires, it is ensured that after assembling, the baseplane of hydroecium contacts with main leaf face, welding
Time be easily formed weld seam herein, improve further the welding quality of product.
2. change main leaf part stretch die scheme two.Improve main leaf, hydroecium precision further,
Purpose is to improve the coordinating, by the tolerance range of fit dimension by 0.1mm of four corner R of main leaf and hydroecium
Change 0.04mm into.
By the dimensional tolerance of main leaf and hydroecium part is changed, improve the precision of part, it is ensured that produce
The cooperation of corner after product assembling.
3. change lock seaming fixture.Increase stopping means, corner on lock seaming fixture and respectively increase a riveting
After alignment pin, it is ensured that the width dimensions of main leaf after lock seaming, and play the effect reinforcing hydroecium riveting intensity.
Implemented by the program, it was demonstrated that highly effective can avoid weldering before, the hydroecium of postwelding stays and comes off existing
As, test proves that improvement is effective, improves at every product overcaster dress and promotes the most successively.
Lock seaming fixture after simultaneously improving is placed on vice lockstitches a border to product, and effect becomes apparent from.
Owing to brazing product all has the parts such as installing plate, large and small ozzle on hydroecium, at Product jointing
During acted on by gravity, hydroecium can be caused to deviate from from main leaf, affect the presentation quality of product.
For preventing the generation of above-mentioned failure mode, on hydroecium direction, tie up galvanized wire again after lock seaming, pass through
Test of many times all achieves preferable effect, has the most been generalized on whole brazing product.
4. change the leaching pricker concentration of product.The brazing flux that product surface is covered is too much, can cause postwelding
Product surface covers the crystallization of substantial amounts of brazing flux, thus affects the presentation quality of product.By product is existed
Carrying out in the brazing flux of variable concentrations soaking pricker, being dried and soldering, the brazing flux concentration of room of soaking the most at last is fixed
For 7～9% (1.05～1.06kg/1000ml), the brazing flux concentration of leaching core component is set to: 8.5～
11% (1.06～1.07kg/1000ml).
5. change the solder composite bed thickness of radiating tube, original 8～10% bring up to 12%,
Guarantee that radiating tube is full with the soldered seam of main leaf.
6. pay close attention to the dryer section quality of product.Setting dryer section parameter (temperature and belt speed) must basis
Every product size, the difference of thickness are set, it is therefore intended that be dried thoroughly by fuse, generally may be used
Use weighing method to carry out weight ratio pair, to judge that fuse is dried thoroughly the most, the most both can affect product
The welding of product, also can affect furnace atmosphere.In drying course, temperature to be paid special attention to should not surpass
Crossing 250 DEG C, in order to avoid forming high-temperature oxide, affecting product brazing quality.
7. pay close attention to the welding of product.It is the whole production process of product in the furnace brazing of continuous print tunnel
Key, formulates suitable brazing temperature and guipure speed is to ensure that the important step of brazing quality, soldering
Temperature is the highest, and guipure speed is too slow, easily causes the defects such as brazing filler metal erosion, corrode, fin bending；Pricker
Weldering temperature is the lowest, and guipure speed is too fast, and product cannot obtain the brazing temperature of necessity, easily cause rosin joint,
The defects such as leakage, weld seam are discontinuous.Therefore we are real through coming frequently with high temperature and high speed in practical operation
The welding of existing product.Generally using AA4045 material, each district temperature control is at 590～610 DEG C；
Using AA4343 material, each district temperature control is at 600～640 DEG C.And utilize temperature tracker pair
The welding situation of product is monitored, to ensure that the welding temperature of product each position part is from being warmed up to pricker
Weldering temperature is also incubated 3～6 minutes.
The radiator obtained as shown in Figure 3 mainly by hydroecium 1, main leaf 2, side plate 3, radiating tube 4,
Heat-radiation belt 5 forms.
It is last it is noted that above-described each embodiment is merely to illustrate the technical side of the present invention
Case, is not intended to limit；Although the present invention being described in detail with reference to previous embodiment, this
The those of ordinary skill in field is it is understood that it still can be to the technical side described in previous embodiment
Case is modified, or wherein part or all of technical characteristic is carried out equivalent；And these amendments
Or replace, do not make the essence of appropriate technical solution depart from the model of various embodiments of the present invention technical scheme
Enclose.
Claims (5)
1. the welding procedure of a radiator, it is characterised in that: comprise the following steps:
S1: stretched the bottom surface of main leaf, makes main leaf carry out face with the baseplane of hydroecium and contacts；
S2: the fit tolerance of the four of main leaf corners Yu hydroecium is set to 0.04mm；
S3: use lock seaming fixture that hydroecium is lockstitched a border；
S4: carry out product in brazing flux soaking pricker, being dried and soldering.
The welding procedure of radiator the most according to claim 1, it is characterised in that described lock seaming
Fixture is provided with stopping means, and corner respectively arranges a riveting alignment pin.
The welding procedure of radiator the most according to claim 1, it is characterised in that described brazing flux
Concentration be 1.03～1.08kg/l.
The welding procedure of radiator the most according to claim 1, it is characterised in that described dry
Temperature be 110 DEG C～240 DEG C.
The welding procedure of radiator the most according to claim 1, it is characterised in that described soldering
Temperature be 550 DEG C～680 DEG C, the time of soldering is 3～6 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727608.4A CN105880767A (en) | 2014-12-04 | 2014-12-04 | Welding process for radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727608.4A CN105880767A (en) | 2014-12-04 | 2014-12-04 | Welding process for radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105880767A true CN105880767A (en) | 2016-08-24 |
Family
ID=56699423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410727608.4A Pending CN105880767A (en) | 2014-12-04 | 2014-12-04 | Welding process for radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105880767A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210783A (en) * | 2021-05-19 | 2021-08-06 | 扬州威特科技有限公司 | Brazing process for seal type radiator |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB733934A (en) * | 1951-12-06 | 1955-07-20 | Chausson Usines Sa | Improvements in or relating to a device for the automatic soldering of tube bases onradiator water boxes and the like applications |
| US4901907A (en) * | 1987-02-27 | 1990-02-20 | Nihon Radiator Co. Ltd. | Heat exchanger core made of aluminum and method for application of flux during process of soldering thereof |
| CN101362452A (en) * | 2008-09-05 | 2009-02-11 | 无锡优萌汽车部件制造有限公司 | Connecting structure between water chamber and main slices of novel vehicle radiator |
| CN101596631A (en) * | 2008-06-06 | 2009-12-09 | 上海德朗汽车零部件制造有限公司 | Cold extrusion pipe uses process exploitation at steam air heater |
| CN201731776U (en) * | 2010-07-08 | 2011-02-02 | 上海德朗汽车零部件制造有限公司 | Automobile radiator with good sealing performance |
| CN201811639U (en) * | 2010-07-12 | 2011-04-27 | 上海德朗汽车零部件制造有限公司 | All-aluminum type radiator |
| CN102328139A (en) * | 2010-07-12 | 2012-01-25 | 上海德朗汽车零部件制造有限公司 | Welding process of total aluminum radiator |
-
2014
- 2014-12-04 CN CN201410727608.4A patent/CN105880767A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB733934A (en) * | 1951-12-06 | 1955-07-20 | Chausson Usines Sa | Improvements in or relating to a device for the automatic soldering of tube bases onradiator water boxes and the like applications |
| US4901907A (en) * | 1987-02-27 | 1990-02-20 | Nihon Radiator Co. Ltd. | Heat exchanger core made of aluminum and method for application of flux during process of soldering thereof |
| CN101596631A (en) * | 2008-06-06 | 2009-12-09 | 上海德朗汽车零部件制造有限公司 | Cold extrusion pipe uses process exploitation at steam air heater |
| CN101362452A (en) * | 2008-09-05 | 2009-02-11 | 无锡优萌汽车部件制造有限公司 | Connecting structure between water chamber and main slices of novel vehicle radiator |
| CN201731776U (en) * | 2010-07-08 | 2011-02-02 | 上海德朗汽车零部件制造有限公司 | Automobile radiator with good sealing performance |
| CN201811639U (en) * | 2010-07-12 | 2011-04-27 | 上海德朗汽车零部件制造有限公司 | All-aluminum type radiator |
| CN102328139A (en) * | 2010-07-12 | 2012-01-25 | 上海德朗汽车零部件制造有限公司 | Welding process of total aluminum radiator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210783A (en) * | 2021-05-19 | 2021-08-06 | 扬州威特科技有限公司 | Brazing process for seal type radiator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS597446A (en) | Manufacture of heat exchanger | |
| CN1572406A (en) | Process for repairing turbine components | |
| CN107297598B (en) | Preparation process without glue aluminum honeycomb plate | |
| CN103659184B (en) | A kind of welding method of radiating bottom plate | |
| KR101166534B1 (en) | Manufacturing thereof for oil cooler of automatic transmission | |
| CN102974946A (en) | Method for controlling deformation of sheet bar honeycomb during vacuum soldering and brazing | |
| CN108515263A (en) | A kind of burst disk method for laser welding of battery cover board of aluminum shell | |
| US4327800A (en) | Method of manufacturing heat exchanger core and assembly therefor | |
| CN104526162B (en) | In a kind of Laser seal welding, large cover is from spacing method | |
| CN102328139B (en) | Welding process of total aluminum radiator | |
| CN105880767A (en) | Welding process for radiator | |
| CN107790885A (en) | A kind of welding method applied to heat exchanger plate | |
| CN201811639U (en) | All-aluminum type radiator | |
| CN106112264B (en) | A kind of V-type silk plain net laser welding frock and its installation and application method | |
| KR101780735B1 (en) | Cooling plate producing method for battery stack of electric vehicle and cooling plate by the same | |
| CN206912561U (en) | A kind of thin plate butt welding tooling fixture device | |
| Shabtay et al. | New brazing processes using anneal-resistant copper and brass alloys | |
| CN111014938A (en) | Friction stir welding implementation process for car roof or car underframe | |
| CN104439665A (en) | Ultrathin cold air flow guide pipe precise welding method | |
| CN102284801A (en) | Bimetal strip welding method | |
| CN116060641A (en) | Nickel-based superalloy selective laser melting forming simulation and structure optimization method | |
| CN112743250A (en) | Non-standard H-shaped steel manufacturing method and special tool | |
| CN109574479A (en) | Electromagnetic shielding glass laser welding structure and manufacture craft | |
| CN115555681A (en) | Pre-deformation connection method for thin-wall corner joint structure with different thicknesses | |
| KR20180010301A (en) | Cooling plate producing method for battery stack of electric vehicle and cooling plate by the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| DD01 | Delivery of document by public notice |
Addressee: Chongqing Puzhi Automobile Parts Co., Ltd. Document name: Notification of Publication and of Entering the Substantive Examination Stage of the Application for Invention |
|
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160824 |