CN114367716A - Non-contact type soldering method for motor rotor - Google Patents
Non-contact type soldering method for motor rotor Download PDFInfo
- Publication number
- CN114367716A CN114367716A CN202210189228.4A CN202210189228A CN114367716A CN 114367716 A CN114367716 A CN 114367716A CN 202210189228 A CN202210189228 A CN 202210189228A CN 114367716 A CN114367716 A CN 114367716A
- Authority
- CN
- China
- Prior art keywords
- tin
- heating equipment
- motor rotor
- soldering
- rotor
- 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
- 238000005476 soldering Methods 0.000 title claims abstract description 77
- 238000000034 method Methods 0.000 title claims abstract description 46
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 95
- 238000010438 heat treatment Methods 0.000 claims abstract description 73
- 238000003466 welding Methods 0.000 claims abstract description 33
- 238000004093 laser heating Methods 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 7
- 230000035699 permeability Effects 0.000 claims description 5
- 229910000679 solder Inorganic materials 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 abstract description 7
- 239000010949 copper Substances 0.000 abstract description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011247 coating layer Substances 0.000 abstract description 6
- 229910052709 silver Inorganic materials 0.000 abstract description 6
- 239000004332 silver Substances 0.000 abstract description 6
- 230000002950 deficient Effects 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
-
- 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
- B23K3/00—Tools, devices, or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods
- B23K3/08—Auxiliary devices therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention provides a non-contact tin soldering method for a motor rotor, which solves the problem that poor tin soldering of the rotor is easy to cause due to constant output power in work when the tin soldering is carried out by the existing non-contact tin soldering method. The method comprises the following steps: feeding tin to the middle position of the rotor commutator and the piezoresistor, wherein the tin wire is not in contact with the piezoresistor and the rotor commutator leg; the ultrahigh frequency heating equipment or the laser heating equipment works to preheat the tin wire to the front end to be in a liquid state; reducing or increasing the power of the heating equipment, continuously feeding tin, and continuously melting the tin wire; stopping feeding tin, reducing the power of the heating equipment, and continuously working until the preheating time; the welding spot is in a liquid state, the heating equipment stops working, and the welding spot is gradually solidified; the input power of the ultrahigh frequency heating equipment or the laser heating equipment is controlled by the controller, so that the output power is controlled, the temperature required by different stages is adapted, the silver coating layer or the copper coating layer of the piezoresistor is prevented from falling off due to continuous temperature rise, and the defective rate of rotor soldering tin is reduced.
Description
Technical Field
The invention relates to the technical field of motor rotor soldering, in particular to a non-contact soldering method for a motor rotor.
Background
The existing motor rotor soldering mechanism which is put into use comprises an automatic tin wire feeding mechanism, a rotor feeding mechanism, a non-contact type soldering mechanism and a rotor positioning and rotating mechanism, wherein in the specific welding process, ultrahigh frequency heating equipment or laser heating equipment is used for outputting constant power to generate high-temperature molten tin wires to form welding spots.
The applicant has found that the prior art has at least the following technical problems: in the tin soldering process, the processes of preheating, tin dissolving, forming welding spots and the like are required, energy and power required by each process are different, the existing ultrahigh frequency heating equipment or laser heating equipment mainly utilizes constant output power to heat the tin soldering, the output power is unchanged, the existing ultrahigh frequency heating equipment or laser heating equipment cannot adapt to the tin soldering process in each stage, and the condition that a piezoresistor silver coating or a copper coating falls off is easily caused by continuous temperature rise during tin soldering, so that poor tin soldering of a rotor is caused.
Disclosure of Invention
The invention aims to provide a non-contact soldering method for a motor rotor, which aims to solve the technical problem that poor soldering of the rotor is easily caused due to constant output power in work when the existing non-contact soldering method in the prior art is used for soldering; the technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a non-contact soldering method of a motor rotor, which comprises the following steps:
s1: feeding tin to the middle position of the rotor commutator and the piezoresistor, wherein the tin wire is not in contact with the piezoresistor and the rotor commutator leg;
s2: the ultrahigh frequency heating equipment or the laser heating equipment works to preheat the tin wire to the front end to be in a liquid state;
s3: reducing or increasing the power of the ultrahigh frequency heating equipment or the laser heating equipment, continuously feeding tin, and continuously melting a tin wire;
s4: stopping feeding tin, reducing the power of the ultrahigh frequency heating equipment or the laser heating equipment, and continuously working the power of the ultrahigh frequency heating equipment or the laser heating equipment to a preset time;
s5: the welding spot is in a liquid state, the ultrahigh frequency heating equipment or the laser heating equipment stops working, and the welding spot is gradually solidified.
Preferably, before the step S1, the method further includes a step S0: and placing the piezoresistor and the rotor with the welded wire pins on a welding piezoresistor jig.
Preferably, in step S2, when the heating copper ring of the uhf heating apparatus rises to a set gap from the welding pressure-sensitive jig, the uhf heating apparatus starts to operate.
Preferably, the ultrahigh frequency heating device is provided with magnetic conductive rods, the magnetic conductive rods are made of high-magnetic-permeability materials and are concentrically and uniformly arranged on the magnetic conductive rod mounting seat; and during welding, the magnetic conduction rod mounting seat is positioned at the lower part of the motor rotor welding pressure-sensitive jig.
Preferably, the pressure-sensitive jig is provided with a magnetic conduction rod avoiding hole, and during soldering, the magnetic conduction rod penetrates through the magnetic conduction rod avoiding hole.
Preferably, the number of each group of magnetic conduction rods is multiple, and the magnetic conduction rods ascend during soldering and are concentrically and uniformly distributed on the motor rotor welding pressure-sensitive jig through the magnetic conduction rods avoiding holes.
Preferably, in the steps S2, S3 and S4, the heating copper ring of the uhf heating device is a standard circular ring, and the heating copper ring is sleeved on the periphery of the magnetic rod.
Preferably, the number of the magnetic conduction rods is two, and the two magnetic conduction rods are alternately used during work.
Preferably, in step S1, the tin wire is delivered by a tin feed nozzle, and the number of the tin feed nozzle is plural, and the plural tin feed nozzles are arranged on the periphery of the varistor.
Preferably, in step S3 and/or step S4, the output power of the uhf heating device or the laser heating device is changed by controlling the uhf or laser output voltage to the 0-5V analog voltage by the controller PLC.
Compared with the prior art, the non-contact soldering method for the motor rotor has the following beneficial effects: the method breaks through the original non-contact type tin soldering constant power output mode, adopts the non-contact type tin soldering power conversion output mode, wherein the ultrahigh frequency heating equipment mainly utilizes the electromagnetic principle and the relation between the magnetic field intensity and the current and the frequency, and melts the tin wire through the electromagnetic heating principle to achieve the purpose of tin soldering; the input power of the ultrahigh frequency heating equipment or the laser heating equipment is controlled through the controller PLC, and then the output power of the ultrahigh frequency heating equipment or the laser heating equipment in the tin soldering process is controlled, so that the temperature required in different tin soldering stages of preheating, tin melting, forming of welding spots and the like is adapted, the condition that a silver coating layer or a copper coating layer of a piezoresistor falls off in the tin soldering process is reduced, and the tin soldering reject ratio of a motor rotor is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a process flow diagram of a non-contact soldering method for a motor rotor according to the present invention;
FIG. 2 is an overall schematic view of the ultrahigh frequency heating device for soldering tin on commutator pins and piezoresistors of the motor rotor;
FIG. 3 is an enlarged view of the circled portion of FIG. 2;
FIG. 4 is a schematic view of the structure of a heated copper ring;
in figure 1, a copper ring is heated; 2. a voltage dependent resistor; 3. welding a pressure-sensitive jig; 4. a tin feeding nozzle; 5. a mounting seat; 6. a magnetic conducting rod; 7. a motor rotor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the engineering of soldering tin of the ultrahigh frequency heating equipment and soldering tin of the laser heating equipment, the power requirements of all stages are inconsistent:
firstly, the required power in the preheating stage is higher, and the tin wire needs to be melted from the normal temperature;
secondly, in the tin melting stage, because a small section of tin wire is melted, when tin is fed, the required power is relatively increased or reduced according to the speed of tin feeding speed, and the power required for melting the tin wire cannot be the same due to the difference of the speed of tin feeding;
and thirdly, in the stage of forming the welding spot, the required temperature is low, in the stage of sending tin, the tin wire is completely melted into liquid, in the stage of forming the welding spot, only small energy needs to be continuously supplied, so that the tin spot is not solidified so fast, after the tin spot is completely paved, the tin spot is solidified again, and if the power in the stage is too high, the temperature of the welding spot is too high, so that the pressure-sensitive silver plating layer or the copper plating layer falls off.
Aiming at the phenomena and problems in the soldering process, the output mode of the existing non-contact soldering constant power can not meet the requirements, so the invention provides a non-contact soldering method of a motor rotor, and referring to fig. 1, fig. 1 is a process flow chart of the non-contact soldering method of the motor rotor; which comprises the following steps:
s1: feeding tin to the middle position of the rotor commutator and the piezoresistor, wherein the tin wire is not in contact with the piezoresistor and the rotor commutator leg;
s2: the ultrahigh frequency heating equipment or the laser heating equipment works to preheat the tin wire to the front end to be in a liquid state;
s3: reducing or increasing the power of the ultrahigh frequency heating equipment or the laser preheating equipment, continuously feeding tin, and continuously melting the tin wire;
s4: stopping feeding tin, reducing the power of the ultrahigh frequency heating equipment or the laser heating equipment, and continuously working the power of the ultrahigh frequency heating equipment or the laser heating equipment to a preset time;
s5: the welding spot is in a liquid state, the ultrahigh frequency heating equipment or the laser heating equipment stops working, and the welding spot is gradually solidified.
It should be understood that the above-mentioned ultrahigh frequency heating device and the laser heating device are existing mature technologies, and the structures thereof are not described herein again, and those skilled in the art can select an appropriate type of existing ultrahigh frequency heating device for use according to actual situations.
When adjusting hyperfrequency heating equipment and laser heating equipment output, accessible controller PLC controls the input power of hyperfrequency induction heating equipment, and then control the output of hyperfrequency at the soldering tin in-process, and the piezo-resistor silvering layer or copper facing drop when reducing soldering tin, reduce the defective rate.
The non-contact soldering method for the motor rotor provided by the invention has the beneficial effects that: the method breaks through the original non-contact soldering mode and adopts a brand-new non-contact soldering mode, wherein the ultrahigh frequency heating equipment mainly utilizes the electromagnetic principle and the relation between the magnetic field intensity and the current and frequency to melt the solder wire through the electromagnetic heating principle so as to achieve the purpose of soldering; the input power of the ultrahigh frequency heating equipment or the laser heating equipment is controlled by the controller PLC, and then the output power of the ultrahigh frequency heating equipment or the laser heating equipment in the tin soldering process is controlled, so that the power required by different tin soldering stages such as preheating, tin melting, forming of welding spots and the like is adapted, the condition that a silver coating layer or a copper coating layer of the piezoresistor falls off in the tin soldering process is reduced, and the tin soldering defect rate of a motor rotor is reduced.
As an optional implementation manner, before the step S1, the method further includes the step S0: and placing the piezoresistor and the rotor with the welded wire legs on a welding pressure-sensitive jig.
As an alternative embodiment of the non-contact soldering method of the present invention, in step S2, when the heating copper ring of the uhf heating device rises to a predetermined distance from the soldering pressure-sensitive jig, the uhf heating device starts to operate. When the distance is kept within the range, the ultrahigh frequency heating equipment can heat the solder joint of the tin wire without influencing other parts.
As an alternative embodiment, referring to fig. 2 and 3, fig. 2 is an overall schematic diagram of the ultrahigh frequency heating device for soldering the commutator leg and the piezoresistor of the motor rotor; FIG. 3 is an enlarged view of the circled portion of FIG. 2; the ultrahigh frequency heating equipment is provided with a magnetic conducting rod 6, the magnetic conducting rod 6 is made of high magnetic permeability materials and is arranged on the mounting seat 5; during welding, the mounting seat 5 of the magnetic conduction rod 6 is positioned at the lower part of the motor rotor 7.
The carbon rod on the ultrahigh frequency heating equipment in the prior art is replaced by a magnetic conduction rod 6, and the magnetic conduction rod 6 is made of a high magnetic permeability material; high permeability material refers to ferrite magnetic material having a permeability of about 90% or more. The magnetic conducting rod made of the high-magnetic-permeability material has the advantages of high magnetic conductivity, high saturation magnetic induction intensity, low resistance, low loss and good stability.
As an alternative embodiment, referring to fig. 2 and 3, the pressure-sensitive welding jig 3 is provided with a magnetic conduction rod avoiding hole, and during soldering, the magnetic conduction rod 6 passes through the magnetic conduction rod avoiding hole.
As an alternative embodiment, referring to fig. 2 and 3, the number of each group of magnetic conductive rods 6 is multiple, and the magnetic conductive rods are concentrically distributed on the motor rotor welding pressure-sensitive jig through the magnetic conductive rod avoiding holes and uniformly distributed on the motor rotor welding pressure-sensitive jig.
The number of the magnetic conduction rods 6 corresponds to the number of poles of the annular piezoresistor 2, for example, the piezoresistor of the three-pole motor rotor has three poles, and three magnetic conduction rods 6 are arranged corresponding to each group.
In order to heat the solder wire better, as an alternative embodiment, referring to fig. 4, in step S2, step S3 and step S4, the heating copper ring 1 of the uhf heating device is in a standard circular ring shape, and the heating copper ring 1 is sleeved on the periphery of the magnetic conduction rod 6 (as shown in fig. 4, the front end portion of the heating copper ring located below the soldering pressure-sensitive jig is in a circular ring shape or a ring-shaped portion).
The structure of the annular heating copper ring 1 can ensure that the tin wire is heated more uniformly.
As an alternative embodiment, referring to fig. 3, the number of the magnetic conduction rods 6 is two, and in operation, the two magnetic conduction rods 6 are used alternately.
As an alternative embodiment, referring to fig. 2 and 3, in step S1, the tin wire is delivered by the tin feeding nozzle 4, and the number of the tin feeding nozzles 4 is plural, which is provided at the periphery of the varistor 2. The number of the tin feeding nozzles 4 is also corresponding to the number of poles of the annular piezoresistor 2, so that the tin wires can be more effectively welded with the piezoresistor 2.
Wherein, send the tin to chew for existing equipment, be ripe prior art in the motor rotor soldering tin technology, no longer repeated description to its structure here.
The working principle of the method is as follows: the ultrahigh frequency induction heating mainly applies the electromagnetic principle and the relationship between the magnetic field intensity and the current and the frequency; the high-permeability material is used as the magnetic conducting rod, the high-frequency magnetic field is led out, and the range of the magnetic field is controlled, so that the magnetic field cannot influence the parts except the welding points. In step S3 and/or step S4, the controller PLC controls the output voltage of the uhf heating device or the laser heating device for the 0-5V analog voltage, and further changes the output power of the uhf heating device or the laser heating device, so that the heating device does not operate at a constant power during operation.
In a specific embodiment of the invention, the process flow of the ultra-high frequency soldering of the piezoresistor comprises the following steps:
putting a piezoresistor 2 and a motor rotor 7 with welded wire legs on a welding piezoresistor jig;
secondly, pre-feeding tin, wherein the front end of a tin wire is opposite to the piezoresistor 2 and right above a commutator pin;
thirdly, the ultrahigh frequency induction equipment or the laser heating equipment works to preheat the tin wire to the front end to be in a liquid state;
continuously feeding tin, and continuously working the ultrahigh frequency induction heating equipment for a preset time;
and fifthly, after the commutator leg and the piezoresistor 2 are welded together by the tin point, the tin is removed when the size of the welding spot is proper, and the ultrahigh frequency induction equipment and the laser heating equipment stop working.
The non-contact tin soldering method of the motor rotor breaks through the original non-contact tin soldering mode, and the electromagnetic heating principle enables the tin wires to be welded, so that the purpose of tin soldering is achieved; the input power of the ultrahigh frequency induction heating equipment is controlled through the controller PLC, so that the output power of the ultrahigh frequency induction heating equipment in the tin soldering process is controlled, the shedding of a silver coating or a copper coating of the piezoresistor during tin soldering is reduced, and the defective rate of the tin soldering of the motor rotor is reduced.
The particular features, structures, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A non-contact soldering method for a motor rotor is characterized by comprising the following steps:
s1: feeding tin to the middle position of the rotor commutator and the piezoresistor, wherein the tin wire is not in contact with the piezoresistor and the rotor commutator leg;
s2: the ultrahigh frequency heating equipment or the laser heating equipment works to preheat the tin wire to the front end to be in a liquid state;
s3: reducing or increasing the power of the ultrahigh frequency heating equipment or the laser heating equipment, continuously feeding tin, and continuously melting a tin wire;
s4: stopping feeding tin, reducing the power of the ultrahigh frequency heating equipment or the laser heating equipment, and continuously working the power of the ultrahigh frequency heating equipment or the laser heating equipment to a preset time;
s5: the welding spot is in a liquid state, the ultrahigh frequency heating equipment or the laser heating equipment stops working, and the welding spot is gradually solidified.
2. The non-contact soldering method for a motor rotor as claimed in claim 1, further comprising step S0, before step S1: and placing the piezoresistor and the rotor with the welded wire pins on a welding piezoresistor jig.
3. The non-contact soldering method for motor rotor as claimed in claim 1, wherein in step S2, the UHF heating device starts to operate when the heating copper ring of the UHF heating device is raised to a set gap from the soldering pressure-sensitive jig.
4. A non-contact soldering method for a motor rotor as claimed in claim 1, wherein the UHF heating apparatus is provided with magnetic bars made of high permeability material and concentrically and uniformly arranged on the magnetic bar mounting seat; and during welding, the magnetic conduction rod mounting seat is positioned at the lower part of the motor rotor welding pressure-sensitive jig.
5. A non-contact soldering method according to claim 4, wherein the soldering jig is provided with a magnetic rod avoiding hole through which the magnetic rod passes during soldering.
6. A non-contact soldering method for motor rotor as claimed in claim 5 wherein there are more magnetic rods in each group, which are raised during soldering and are distributed concentrically and uniformly on the pressure-sensitive jig for soldering motor rotor through the magnetic rod avoiding holes.
7. The non-contact soldering method for motor rotor as claimed in claim 4, wherein in steps S2, S3 and S4, the heating copper ring of the UHF heating apparatus is a standard circular ring shape, and the heating copper ring is sleeved on the periphery of the magnetic conducting bar.
8. A non-contact soldering method for motor rotor as claimed in claim 4 wherein the number of bars is two, and the two bars are used alternatively during operation.
9. The non-contact soldering method of a motor rotor as claimed in claim 1, wherein in step S1, the solder wire is delivered by a plurality of solder feeding nozzles disposed on the outer periphery of the varistor.
10. The non-contact soldering method for motor rotor as claimed in claim 1, wherein the output power of the UHF heating device or the laser heating device is changed by controlling the UHF or laser output voltage to 0-5V analog voltage by the controller PLC at step S3 and/or step S4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210189228.4A CN114367716A (en) | 2022-02-28 | 2022-02-28 | Non-contact type soldering method for motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210189228.4A CN114367716A (en) | 2022-02-28 | 2022-02-28 | Non-contact type soldering method for motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114367716A true CN114367716A (en) | 2022-04-19 |
Family
ID=81145372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210189228.4A Pending CN114367716A (en) | 2022-02-28 | 2022-02-28 | Non-contact type soldering method for motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114367716A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060108356A1 (en) * | 2004-11-19 | 2006-05-25 | General Electric Company | Braze chamber and method for applying an isolation layer to a brazed end of a generator armature winding bar |
| CN102500855A (en) * | 2011-10-25 | 2012-06-20 | 深圳市联赢激光股份有限公司 | Tin welding method for semiconductor laser |
| CN105499738A (en) * | 2016-01-21 | 2016-04-20 | 深圳市科美达自动化设备有限公司 | Tin soldering method for commutator pin of carbon brush motor rotor |
| CN107414227A (en) * | 2017-07-06 | 2017-12-01 | 深圳云麟科技有限公司 | Method for laser welding and device |
| CN210548798U (en) * | 2019-08-14 | 2020-05-19 | 深圳市南湖顺通科技有限公司 | Welding device for motor rotor part |
| CN113275688A (en) * | 2021-05-13 | 2021-08-20 | 常州腾龙汽车零部件股份有限公司 | Induction heating aluminum brazing method with infrared temperature and image vision dual detection control |
-
2022
- 2022-02-28 CN CN202210189228.4A patent/CN114367716A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060108356A1 (en) * | 2004-11-19 | 2006-05-25 | General Electric Company | Braze chamber and method for applying an isolation layer to a brazed end of a generator armature winding bar |
| CN102500855A (en) * | 2011-10-25 | 2012-06-20 | 深圳市联赢激光股份有限公司 | Tin welding method for semiconductor laser |
| CN105499738A (en) * | 2016-01-21 | 2016-04-20 | 深圳市科美达自动化设备有限公司 | Tin soldering method for commutator pin of carbon brush motor rotor |
| CN107414227A (en) * | 2017-07-06 | 2017-12-01 | 深圳云麟科技有限公司 | Method for laser welding and device |
| CN210548798U (en) * | 2019-08-14 | 2020-05-19 | 深圳市南湖顺通科技有限公司 | Welding device for motor rotor part |
| CN113275688A (en) * | 2021-05-13 | 2021-08-20 | 常州腾龙汽车零部件股份有限公司 | Induction heating aluminum brazing method with infrared temperature and image vision dual detection control |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100493125B1 (en) | Short circuit arc welder and method of controlling same | |
| CN108555421A (en) | A kind of droplet transfer control device and its control method based on pulse matching electrode TIG | |
| CN108356270B (en) | Metal 3D printing method based on contact resistance heating | |
| CN114367716A (en) | Non-contact type soldering method for motor rotor | |
| CN107755868A (en) | A kind of welding technique of electric resistance welding | |
| CN104625299A (en) | Tin soldering jig and laser tin soldering method | |
| JPH03198975A (en) | Soldering method | |
| CN110216345A (en) | A kind of automatic laser tin soldering machine | |
| CN103706935B (en) | Method for manufacturing the starter armature through automatic starter armature wire feeding welding system | |
| US5313045A (en) | Method and apparatus for reducing energy consumption and minimizing martensite formations when joining a connecting piece of metal with a metal surface by pin brazing | |
| CN111215713A (en) | Laser heating tin wire feeding drag welding process | |
| CN111318793A (en) | Photovoltaic module cell welding device and method | |
| SE511463C2 (en) | Method of arc welding with melting electrode | |
| CN105274464A (en) | Wire core wire tinning device and method | |
| CN103934545A (en) | Control method for consumable electrode electric arc welding power system | |
| CN210451283U (en) | Automatic laser soldering machine | |
| CN212239515U (en) | Constant-temperature tin soldering system between metal pieces | |
| CN211915799U (en) | Photovoltaic module battery piece welding set | |
| US6008480A (en) | Induction heating apparatus and method for fusing battery cell terminals | |
| CN210359729U (en) | Welding current automatic regulating unit for gas shielded welding machine and welding machine thereof | |
| CN100409991C (en) | Welding wire and lead frame spot welding method | |
| CN210451343U (en) | Spot welding head | |
| JPH04137516A (en) | Method and device for connecting magnet wire with lead wire | |
| CN205133719U (en) | Wire rod heart yearn tinning stack | |
| CN220671421U (en) | Weldability test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220419 |