CN105458640B - A kind of aluminium alloy radiating fin of transformer clamp system and technological process - Google Patents
A kind of aluminium alloy radiating fin of transformer clamp system and technological process Download PDFInfo
- Publication number
- CN105458640B CN105458640B CN201610048590.4A CN201610048590A CN105458640B CN 105458640 B CN105458640 B CN 105458640B CN 201610048590 A CN201610048590 A CN 201610048590A CN 105458640 B CN105458640 B CN 105458640B
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- Prior art keywords
- transformer
- radiating fin
- cylinder
- fin
- clamping cylinder
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Classifications
-
- 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
- B23P15/26—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass heat exchangers or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Resistance Welding (AREA)
Abstract
The invention discloses a kind of clamp system of aluminium alloy radiating fin of transformer and technological process, including fixed support；Swinging mounting is installed on the fixed support；Swinging mounting is connected with switching mechanism；Radiating fin of transformer is installed on the swinging mounting；The radiating fin of transformer is threaded a pipe with main flow to be connected；The radiating fin of transformer is welded by six degree of freedom welding robot；The six degree of freedom welding robot welds to two groups of radiating fin of transformer simultaneously；By saving connecting plate, directly grease chamber is threaded a pipe with main flow and is connected, reduce the risk of grease chamber welding flexural deformation；By Design of Transformer fin clamp system, solves radiating fin of transformer grease chamber and/or fin flexural deformation caused by clamping and positioning is not good in welding process；By using six degree of freedom welding robot, the speed and precision of welding are improved；By the technological process of Design of Transformer fin, make the processing of radiating fin of transformer simpler reliable.
Description
Technical field
The present invention relates to radiating fin of transformer technical field, more particularly to a kind of aluminium alloy radiating fin of transformer clamp system
And technological process.
Background technology
With the rapid growth of national economy, various high pressures, the application of ultrahigh pressure large-scale transformer are more and more extensive, wherein
Oil-immersed power transformer reduces the temperature of transformer using radiating fin of transformer.
Although existing radiating fin of transformer can reduce the temperature of transformer, existing transformer radiating to a certain extent
Also there is many deficiencies in piece, be embodied in the following aspects in actual use：
(1) existing radiating fin of transformer is made of ferrous material mostly, and metallic iron chemical property is not sufficiently stable, and is held
It is oxidizable, while iron easily absorbs infrared ray, causes the radiating efficiency of fin to reduce；
(2) existing radiating fin of transformer is mostly connected grease chamber and fin using connecting plate, forms oil circuit, but even
Fishplate bar be connected with fin or threaded a pipe with main flow be connected when mostly using being welded to connect, this not only adds welding difficulty,
Grease chamber flexural deformation is also resulted in, or even oil leakage phenomenon occurs；
(3) existing radiating fin of transformer is adding man-hour requirement to use a variety of welding guns, such as rotary welding gun, seam welding gun, oil
Room welding gun etc., adds welding cost；Lack rational design for the clamping and positioning of fin in process simultaneously, lead
Cause the phenomenon of flexural deformation locally occur after the completion of fin welding.
The content of the invention
The purpose of the present invention is exactly to solve the above problems, it is proposed that a kind of novel aluminum alloy radiating fin of transformer clamps
Mechanism and technological process, many deficiencies in actual use be present for existing radiating fin of transformer, with Modern mechanical design
Theoretical and theory, is improved design to the structure of radiating fin of transformer first, folder when then being welded to grease chamber and fin
Tight detent mechanism is designed, and finally devises the processing process of radiating fin of transformer of the present invention.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of clamp system of aluminium alloy radiating fin of transformer, including fixed support；It is provided with and turns on the fixed support
Dynamic support；The swinging mounting is connected with switching mechanism；Radiating fin of transformer is installed on the swinging mounting；The transformer dissipates
Backing is threaded a pipe with main flow and is connected；
The radiating fin of transformer includes some fin units and grease chamber；The fin unit includes some T-shaped scattered
Hot fin and vertical passage；The both ends of the fin unit are connected with grease chamber respectively；The grease chamber is threaded a pipe with main flow to be connected；
The fin unit is welded with grease chamber junction by six degree of freedom welding robot.
Some jacks are processed on the grease chamber end face；The jack is used to connect fin unit.
The opposite of the grease chamber end face is machined with arc groove；Threaded a pipe for connecting main flow.
Main flow one end of threading a pipe is closed by end cap, and the other end is provided with flange.
The main flow is machined with semicircle oil guiding hole on threading a pipe；For being connected with the arc groove on grease chamber.
Gap is left between the fin unit, is easily installed vertical clamping cylinder.
The fin unit uses extrusion forming of aluminum alloy materials.
The T-type structure mill off at the T-shaped radiating fin both ends, is easy to T-shaped radiating fin being installed in grease chamber jack.
The switching mechanism includes motor；The motor is connected with speed changer；The speed changer passes through rotating shaft
It is connected with swinging mounting.
The six degree of freedom welding robot is connected with PLC；The PLC controls six degree of freedom bonding machine
The space welding motion of device people.
The fixed support includes base and support base；The support base is vertically mounted on base；On the support base
Bearing block is installed.
The swinging mounting includes two rotation connection bars；The rotation connection bar is connected by rotating shaft with fixed support；
Two rotation connection bars are connected by two crossbeams；Guide rail is designed with the crossbeam；Movement is installed on the guide rail
Bar；Horizontal clamping cylinder is separately installed with the rotation connection bar and mobile bar；The horizontal clamping cylinder clamping transformer
Fin.
Some locating rods are installed between two crossbeams；Vertical clamping cylinder is installed in the locating rod；It is described
Vertical clamping cylinder in the vertical direction clamps radiating fin of transformer.
The locating rod both ends are separately installed with vertical clamping cylinder；The locating rod middle part is provided with n-type block；Institute
The both sides for stating n-type block are separately installed with vertical clamping cylinder；The top of the n-type block is provided with side locating piece, and fin is entered
Row positioning.
The vertical clamping cylinder includes vertical cylinder and rotates clamping bar；The rotation clamping bar and vertical rotational cylinder
Connection；For clamping fin unit.
Locating piece is also equipped with the locating rod；For ensureing the smooth of radiating fin of transformer bottom surface.
The mobile bar both ends are provided with lock-up cylinder, for fixing the position of mobile bar.
The horizontal clamping cylinder includes circular arc clamping cylinder and U-shaped clamping cylinder；The circular arc clamping cylinder and grease chamber
On arc groove connection；The tight cylinder clamping grease chamber of U-clamp.
The circular arc clamping cylinder includes circular arc cylinder and arc head；The arc head passes through axis connection with circular arc cylinder；
The circular arc cylinder drives arc head transverse shifting, so as to clamp radiating fin of transformer.
The U-shaped clamping cylinder includes U-shaped cylinder and U-shaped head；The U-shaped head passes through axis connection with U-shaped cylinder；The U
Type cylinder drives U-shaped head transverse movement, so as to clamp radiating fin of transformer.
The horizontal clamping cylinder, vertical clamping cylinder and lock-up cylinder are all connected with PLC；Controlled by PLC
Device controls the motion of horizontal clamping cylinder, vertical clamping cylinder and lock-up cylinder respectively.
A kind of technological process of aluminium alloy radiating fin of transformer, comprises the following steps：
(1) making of grease chamber, the jack for connecting fin unit is milled out on the end face of grease chamber with CNC milling machine,
The arc groove threaded a pipe for connecting main flow is milled out in the opposite of grease chamber end face；
(2) making of fin unit, fin unit are with the disposable extrusion forming of aluminum alloy materials；Use CNC milling machine
By the T-type structure mill off at the T-shaped radiating fin both ends in fin unit, T-shaped radiating fin both ends are inserted to the jack of grease chamber
It is interior；
(3) radiating fin of transformer will be formed behind fin unit both ends and grease chamber insertion connection, radiating fin of transformer is pacified
It is by mobile bar, horizontal clamping cylinder and vertical clamping cylinder that radiating fin of transformer clamping and positioning is good on swinging mounting；
Six degree of freedom welding robot is controlled to weld radiating fin of transformer by PLC；
(4) processing that main flow is threaded a pipe, one end that main flow is threaded a pipe are closed by end cap, and the other end installs band through hole
Flange；Main flow is threaded a pipe fixation, milled out with CNC milling machine on main flow is threaded a pipe several be used to connecting grease chamber circular arc it is recessed
The semicircle oil guiding hole of groove；
(5) the radiating fin of transformer good main flow of milling threaded a pipe and is welded connects, and with six degree of freedom welding robot
People's firm welding.
The beneficial effects of the invention are as follows：
The present invention is a kind of aluminium alloy radiating fin of transformer clamp system and technological process, by saving connecting plate, directly
Grease chamber is threaded a pipe with main flow and is connected, reduces the number of welding, reduction grease chamber risk of flexural deformation because of welding；By setting
Radiating fin of transformer clamp system is counted, solves radiating fin of transformer in welding process caused by clamping and positioning is not good at
Grease chamber and/or fin flexural deformation phenomenon；By using existing six degree of freedom welding robot, improve welding speed and
Precision；Make the integral solder Quality advance of radiating fin of transformer；By the machining process of Design of Transformer fin, make change
The overall processing of depressor fin is simpler reliable.
Brief description of the drawings
Fig. 1 is the structural representation of clamp system of the present invention；
Fig. 2 is the scheme of installation that the present invention opens radiating fin of transformer；
Fig. 3 is the structural representation of radiating fin of transformer of the present invention；
Fig. 4 is the support bracket fastened structural representation of the present invention；
Fig. 5 is the structural representation of swinging mounting of the present invention；
Fig. 6 is the structural representation of the vertical clamping cylinder of the present invention；
Fig. 7 is the structural representation of circular arc clamping cylinder of the present invention；
Fig. 8 is the structural representation of the U-shaped clamping cylinder of the present invention；
Wherein：1. main flow is threaded a pipe, 11. end caps, 12. flanges, 13. semicircle oil guiding holes, 2. radiating fin of transformer, 21. oil
Room, 22. fin units, 23.T type radiating fins, 24. vertical passages, 25. arc grooves, 3. transformers, 4. switching mechanisms,
41. motor, 42. speed changers, 43. power transmission shafts, 5. fixed supports, 51. bases, 52. support bases, 53. bearing blocks, 54. turns
Axle, 6. swinging mountings, 61. rotation connection bars, 62. crossbeams, 63. mobile bars, 64. circular arc clamping cylinders, 641. circular arc cylinders,
642. axles, 643. arc heads, 65.U type clamping cylinders, 651.U type cylinders, 652.U type heads, 66. guide rails, 67. lock-up cylinders,
68. vertical clamping cylinder, 681. locating rods, 682. vertical cylinders, 683. rotate clamping bar, 684. side locating pieces, 685.n types
Block, 69. rotating shaft connecting seats, 7. six degree of freedom welding robots.
Embodiment
The present invention will be further described with embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of clamp system of aluminium alloy radiating fin of transformer, including fixed support 5；On fixed support 5
Swinging mounting 6 is installed；Swinging mounting 6 is connected with switching mechanism 4；Radiating fin of transformer 2 is installed on swinging mounting；Transformer dissipates
Backing 2 and main flow, which are threaded a pipe, 1 to be connected；Main flow is threaded a pipe 1 to be connected with transformer 3；Radiating fin of transformer 2 is welded by six degree of freedom
Robot 7 welds；Six degree of freedom welding robot 7 welds to two groups of radiating fin of transformer 2 simultaneously.
As shown in Figures 2 and 3, radiating fin of transformer 2 includes some fin units 22 and grease chamber 21；Fin unit 22
Including some T-shaped radiating fins 23 and vertical passage 24；The both ends of fin unit 22 are connected with grease chamber 21 respectively；Grease chamber 21 with
Main flow is threaded a pipe 1 connection.
Grease chamber 21 processes some jacks on end face；Jack is used to connect fin unit 22.
The opposite of the end face of grease chamber 21 is machined with arc groove 25；1 is threaded a pipe for connecting main flow.
Main flow 1 one end of threading a pipe is closed by end cap 11, and the other end is provided with flange 12.
Main flow is machined with semicircle oil guiding hole 13 on threading a pipe；For being connected with the arc groove 25 on grease chamber 21.
Gap is left between fin unit 22, is easily installed vertical clamping cylinder 68.
Fin unit 22 uses extrusion forming of aluminum alloy materials.
The T-type structure mill off at the T-shaped both ends of radiating fin 23, it is easy to T-shaped radiating fin 23 being installed in grease chamber jack 25.
As shown in Figure 4 and Figure 5, shown switching mechanism 4 includes motor 41；Motor 41 is connected with speed changer 42；
Speed changer is connected by power transmission shaft 43 with swinging mounting 6.
Six degree of freedom welding robot 7 is connected with PLC；PLC control six degree of freedom welding robot 7
Space welding motion.
Fixed support 5 includes base 51 and support base 52；Support base 52 is vertically mounted on base 51；Pacify on support base 52
Equipped with bearing block 53.
Swinging mounting 6 includes two rotation connection bars 61；Rotating shaft connecting seat 69 is designed with rotation connection bar 61；Rotating shaft connects
Joint chair 69 is connected 5 by rotating shaft 54 with fixed support；Two rotation connection bars 61 are connected by two crossbeams 62；Set on crossbeam 62
In respect of guide rail 66；Mobile bar 63 is installed on guide rail 66；Horizontal clamping is separately installed with rotation connection bar 61 and mobile bar 63
Cylinder；Horizontal clamping cylinder clamping radiating fin of transformer 2.
Some locating rods 681 are installed between two crossbeams 62；Vertical clamping cylinder 682 is installed in locating rod 681；It is perpendicular
Radiating fin of transformer 2 is clamped to the in the vertical direction of clamping cylinder 682.
As shown in fig. 6, the both ends of locating rod 681 are separately installed with vertical clamping cylinder 682；Pacify the middle part of locating rod 681
Equipped with n-type block 685；The both sides of n-type block 685 are separately installed with vertical clamping cylinder 682；The top of n-type block 685 is provided with side and determined
Position block 684, is positioned to fin.
Vertical clamping cylinder 68 includes vertical cylinder 682 and rotates clamping bar 683；Rotate clamping bar 683 and vertical cylinder
682 rotation connections；For clamping fin unit 22.
Locating piece is also equipped with locating rod 681；For ensureing the smooth of radiating fin of transformer bottom surface.
The both ends of mobile bar 63 are provided with lock-up cylinder 67, for fixing the position of mobile bar 63.
As shown in Figure 7 and Figure 8, horizontal clamping cylinder includes circular arc clamping cylinder 64 and U-shaped clamping cylinder 65；Circular arc clamps
Cylinder 64 is connected with the arc groove 25 on grease chamber 21；The U-shaped clamping cylinder 65 clamps grease chamber 21.
Circular arc clamping cylinder 64 includes circular arc cylinder 641 and arc head 643；Arc head 643 passes through axle with circular arc cylinder 641
642 connections；The circular arc cylinder 641 drives the transverse shifting of arc head 643, so as to clamp radiating fin of transformer 2.
U-shaped clamping cylinder 65 includes U-shaped cylinder 651 and U-shaped first 652；Described U-shaped first 652 pass through axle with U-shaped cylinder 651
642 connections；The U-shaped cylinder 651 drives U-shaped first 652 transverse movement, so as to clamp radiating fin of transformer 2.
Horizontal clamping cylinder, vertical clamping cylinder 68 and lock-up cylinder 67 are all connected with PLC；Controlled by PLC
Device controls the motion of horizontal clamping cylinder, vertical clamping cylinder 68 and lock-up cylinder 67 respectively.
A kind of technological process of novel aluminum alloy radiating fin of transformer, comprises the following steps：
(1) making of grease chamber 21, milled out with CNC milling machine on the end face of grease chamber 21 for connecting inserting for fin unit
Hole, the arc groove 25 threaded a pipe for connecting main flow is milled out in the opposite of the end face of grease chamber 21；
(2) making of fin unit 22, fin unit 22 are with the disposable extrusion forming of aluminum alloy materials；Use numerical control
Milling machine inserts grease chamber by the T-type structure mill off at the T-shaped radiating fin both ends in fin unit, by the T-shaped both ends of radiating fin 22
In 21 jack；
(3) both ends of fin unit 22 are inserted to composition radiating fin of transformer 2 after being connected with grease chamber 21, transformer is radiated
Piece 2 is arranged on swinging mounting 6, by mobile bar 63, horizontal clamping cylinder and vertical clamping cylinder 68 by radiating fin of transformer 2
Clamping and positioning is good；Six degree of freedom welding robot 7 is controlled to weld radiating fin of transformer 2 by PLC；
(4) main flow is threaded a pipe 1 processing, thread a pipe 1 one end of main flow is closed by end cap 11, the other end installs band
The flange 12 of through hole；Main flow is threaded a pipe 1 fixation, is threaded a pipe with CNC milling machine in main flow and is milled out several on 1 and be used to connect oil
The semicircle oil guiding hole 13 of room arc groove 25；
(5) the good main flow of milling is threaded a pipe and 1 be connected with the radiating fin of transformer 2 being welded, and with six degree of freedom bonding machine
The firm welding of device people 7.
Although above-mentioned the embodiment of the present invention is described with reference to accompanying drawing, model not is protected to the present invention
The limitation enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme those skilled in the art are not
Need to pay various modifications or deformation that creative work can make still within protection scope of the present invention.
Claims (8)
1. a kind of clamp system of aluminium alloy radiating fin of transformer, it is characterized in that, including fixed support；Pacify on the fixed support
Equipped with swinging mounting；The swinging mounting is connected with switching mechanism；Radiating fin of transformer is installed on the swinging mounting；The change
Depressor fin is threaded a pipe with main flow to be connected；
The radiating fin of transformer includes some fin units and grease chamber；The fin unit includes some T-shaped radiating fins
Piece and vertical passage；The both ends of the fin unit are connected with grease chamber respectively；The grease chamber is threaded a pipe with main flow to be connected；It is described
Some jacks are processed on grease chamber end face；The opposite of the grease chamber end face is machined with arc groove；The fin unit and oil
Room junction carries out welded seal by six degree of freedom welding robot；
The swinging mounting includes two rotation connection bars；The rotation connection bar is connected by rotating shaft with fixed support；It is described
Two rotation connection bars are connected by two crossbeams；Guide rail is designed with the crossbeam；Mobile bar is installed on the guide rail；Institute
State and be separately installed with horizontal clamping cylinder in rotation connection bar and mobile bar；The mobile bar both ends are provided with lock-up cylinder.
2. a kind of clamp system of aluminium alloy radiating fin of transformer as claimed in claim 1, it is characterized in that, the main flow siphunculus
Road one end is closed by end cap, and the other end is provided with flange；The main flow is machined with semicircle oil guiding hole on threading a pipe.
3. a kind of clamp system of aluminium alloy radiating fin of transformer as claimed in claim 1, it is characterized in that, the fin list
Gap is left between member；The fin unit uses extrusion forming of aluminum alloy materials.
4. a kind of clamp system of aluminium alloy radiating fin of transformer as claimed in claim 1, it is characterized in that, the switching mechanism
Including motor；The motor is connected with speed changer；The speed changer is connected by rotating shaft with swinging mounting.
5. a kind of clamp system of aluminium alloy radiating fin of transformer as claimed in claim 1, it is characterized in that, described two crossbeams
Between some locating rods are installed；Vertical clamping cylinder is installed in the locating rod；The vertical clamping cylinder is in vertical side
Radiating fin of transformer is clamped upwards.
6. a kind of clamp system of aluminium alloy radiating fin of transformer as claimed in claim 5, it is characterized in that, the locating rod two
End is separately installed with vertical clamping cylinder；The locating rod middle part is provided with n-type block；Pacify respectively the both sides of the n-type block
Equipped with vertical clamping cylinder；The top of the n-type block is provided with side locating piece；The vertical clamping cylinder include vertical cylinder and
Rotate clamping bar；The rotation clamping bar is connected with vertical rotational cylinder；Locating piece is also equipped with the locating rod.
7. a kind of clamp system of aluminium alloy radiating fin of transformer as claimed in claim 1, it is characterized in that, the horizontal clamping
Cylinder includes circular arc clamping cylinder and U-shaped clamping cylinder；The circular arc clamping cylinder is connected with the arc groove on grease chamber；It is described
The tight cylinder clamping grease chamber of U-clamp；
The circular arc clamping cylinder includes circular arc cylinder and arc head；The arc head passes through axis connection with circular arc cylinder；It is described
Circular arc cylinder drives arc head transverse shifting；
The U-shaped clamping cylinder includes U-shaped cylinder and U-shaped head；The U-shaped head passes through axis connection with U-shaped cylinder；The U-shaped gas
Cylinder drives U-shaped head transverse movement.
8. a kind of clamp system of aluminium alloy radiating fin of transformer as claimed in claim 7, it is characterized in that, the six degree of freedom
Welding robot, horizontal clamping cylinder, vertical clamping cylinder and lock-up cylinder are all connected with PLC；PLC is distinguished
Control the motion of six degree of freedom welding robot, horizontal clamping cylinder, vertical clamping cylinder and lock-up cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048590.4A CN105458640B (en) | 2016-01-25 | 2016-01-25 | A kind of aluminium alloy radiating fin of transformer clamp system and technological process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610048590.4A CN105458640B (en) | 2016-01-25 | 2016-01-25 | A kind of aluminium alloy radiating fin of transformer clamp system and technological process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105458640A CN105458640A (en) | 2016-04-06 |
| CN105458640B true CN105458640B (en) | 2018-03-02 |
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| CN201610048590.4A Expired - Fee Related CN105458640B (en) | 2016-01-25 | 2016-01-25 | A kind of aluminium alloy radiating fin of transformer clamp system and technological process |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106736215B (en) * | 2017-01-03 | 2018-07-31 | 上海林佳医疗设备有限公司 | Oil tank of transformer cooling fin welder |
| CN107127518B (en) * | 2017-04-01 | 2019-01-01 | 李俊坚 | A kind of automatic overturning clamping apparatus |
| CN109290729B (en) * | 2018-09-13 | 2020-09-15 | 襄阳市众兴和汽配有限公司 | Positioning device for welding automobile oil tank bracket |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4109444B2 (en) * | 2001-11-09 | 2008-07-02 | Ｇａｃ株式会社 | Heat exchanger and manufacturing method thereof |
| CN2517087Y (en) * | 2001-12-20 | 2002-10-16 | 朱得文 | Cooling device for transformer |
| US9816761B2 (en) * | 2012-06-29 | 2017-11-14 | Mitsubishi Electric Corporation | Method for manufacturing heat exchanger |
| CN103128519B (en) * | 2013-03-14 | 2015-05-27 | 上海交通大学 | Manufacture method of micro-channel heat exchanger and device |
| CN104916405B (en) * | 2015-06-16 | 2017-01-18 | 常熟市友邦散热器有限责任公司 | Sleeve-type manifold transformer radiator |
| CN104889781B (en) * | 2015-06-25 | 2018-02-02 | 佛山市普拉迪数控科技有限公司 | A kind of frock clamp of high-precision clamping fin |
| CN105185518B (en) * | 2015-08-31 | 2018-03-23 | 淄博鹏太电力设备有限公司 | Transformer heat sink and its production technology |
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