CN101890565A - Intelligent electronic spot welder and spot welding method thereof - Google Patents
Intelligent electronic spot welder and spot welding method thereof Download PDFInfo
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- CN101890565A CN101890565A CN 201010213691 CN201010213691A CN101890565A CN 101890565 A CN101890565 A CN 101890565A CN 201010213691 CN201010213691 CN 201010213691 CN 201010213691 A CN201010213691 A CN 201010213691A CN 101890565 A CN101890565 A CN 101890565A
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Abstract
The invention relates to an intelligent electronic spot welder and a spot welding method thereof. The spot welder comprises a host machine provided with a singlechip and a welding database, and a machine head; the machine head comprises a driving device, a front shaft and a welding head; and a detector and a braking device are respectively connected with the front shaft. The detector transmits the acquired data to the singlechip so as to make the welding head automatically perform welding action through the host machine. The intelligent electronic spot welding method comprises the following steps of: (1) establishing a welding parameter database; (2) measuring the diameter of an enameled wire to be processed; (3) outputting a paint-removing pulse for paint removal; (4) outputting a welding pulse for welding; (5) and measuring or performing repair welding. The Intelligent electronic spot welder has real-time detection and repair welding function, namely synchronously welds and detects welding spot quality, and detects a welding spot once the welding spot is welded to form a closed-loop automatic detection system, solves the problems of no detection of the welding spot quality after welding, and insufficient welding and wire break during spot welding of the conventional spot welder, and improves the reliability of processing electronic components in the industries of communication, aviation and aerospace and advanced medical equipment.
Description
Technical field
The present invention relates to electronic spot welder and electronic spot-welding method, especially a kind of intelligent electronic spot welder and spot welding method thereof that is specifically designed to electronics industry, precision instrument and microelectronics industry.
Background technology
At present, along with developing rapidly of the communications industry, aerospace industry and senior Medical Devices industry electronic devices and components, people are to the production and the making of electronic devices and components industry, and particularly the microdot melting welding to electronic devices and components has proposed higher specification requirement.Electronic spot welder in the past, though also be microdot melting welding, main frame, grillage and pressure apparatus are also arranged, all belong to foot-operated manual spot-welding equipment, there is serious defective in this equipment in the welding process of electronic devices and components, i.e. only welding and do not detect the solder joint welding quality.This mode of operation is under the certain situation of welding parameter, the quality of solder joint depends primarily on the thickness of solder joint, if foot-operated welding pressure is too small, can cause solder joint thickness bigger than normal, the solder joint contact-making surface does not form the alloy face, thereby caused the rosin joint phenomenon of solder joint, caused the high temperature resistant and resistance to low temperature reduction of solder joint, caused the unreliable of electronic devices and components.If foot-operated welding pressure is excessive, can cause solder joint thickness less than normal, thereby cause the enamel-covered wire broken string phenomenon of solder joint, these electronic devices and components in Aero-Space industry and senior Medical Devices industry are serious day by day problems in making.As seen, the fast development of relevant industries is had higher requirement to the micro welding technique of electronic devices and components.
Summary of the invention
The objective of the invention is to overcome the above-mentioned defective of existing mash welder, a kind of intelligent electronic spot welder and electronic spot-welding method with real-time detection and repair welding function is provided.
The objective of the invention is by realizing by the following technical solutions:
Intelligent electronic spot welder, comprise main frame, head and control device, main frame is provided with power-control device and is connected with the head circuit by connecting line, control device can be controlled head motion and carry out the welding action, described control device comprises data processing and memory cell, and this unit is connected with the power-control device circuit of main frame;
Described head comprises executing agency, checkout gear and brake apparatus, and executing agency comprises drive unit, front axle and be located at the welding head holder of front axle lower end, and the front end of welding head holder is fastenedly connected a soldering tip, and checkout gear is connected with front axle respectively with brake apparatus;
Described drive unit, checkout gear and brake apparatus are connected with the control device circuit;
Described checkout gear is handled with data and is connected with storage unit circuit;
Described control device can make the spot welding head freely move up and down by drive unit, and checkout gear transfers to data with the gained data in real time and handles and memory cell, and makes a soldering tip automatically perform the welding action by main frame.
As the preferred technical solution of the present invention, described checkout gear comprises pressure sensor and displacement transducer, and described drive unit is connected with the rear end of pressure sensor, and the front end of pressure sensor is connected with described front axle;
The upper end of described front axle is provided with displacement transducer.
As the preferred technical solution of the present invention, described displacement transducer comprises electrical grating chi or round grating sensor.
As the preferred technical solution of the present invention, described drive unit comprises driving cylinder or servomotor;
Described driving cylinder is connected with pressure sensor by connecting rod, and the top of pressure sensor is provided with the electrical grating chi;
Described servomotor is provided with round grating sensor, and the kinematic axis of servomotor is equipped with ring flange, and the rear end of ring flange and pressure sensor links to each other, and the front end of pressure sensor links to each other with front axle.
As the preferred technical solution of the present invention, described brake apparatus comprises electro-magnetic braking device, and electro-magnetic braking device is located at the mid portion of described front axle.
As the preferred technical solution of the present invention, described data are handled and memory cell comprises single-chip microcomputer, and single-chip microcomputer is located in the main frame, and is connected with single chip machine controlling circuit, current feedback circuit and the power switch circuit of main frame;
Described single chip machine controlling circuit connects power switch circuit through current feedback circuit.
As the preferred technical solution of the present invention, described main frame is provided with display and control button, and display can show voltage, electric current and welding pressure in real time;
Two electrodes that described some soldering tip made by refractory metal material constitute, the terminal Ohmic contact mutually of described electrode or directly connect, and remainder insulate.
A kind of smart electronics spot welding method, this method may further comprise the steps:
(1) sets up database with some welding parameters;
(2) measure the diameter of enamel-covered wire to be processed, find out the parameter of other paint removal pulse of respective sets and welding pressure according to gained line footpath in the above-mentioned database;
(3) the some soldering tip acts on pressure on the enamel-covered wire when reaching setting value, and main frame is exported the paint removal pulse automatically and finished paint removal;
(4) kinematic axis of the automatic locking point soldering tip of brake apparatus, main frame is measured automatically by the thickness of enamel-covered wire solder joint after the paint removal, thickness determines to call the parameter of other weld pulse of respective sets and welding pressure in the database thus, the kinematic axis of some soldering tip continues down motion, when reaching the welding pressure of setting, main frame output weld pulse is finished welding;
(5) kinematic axis of the automatic locking point soldering tip of brake apparatus, solder joint thickness after the soldered impulsed spot welding of automatic once more measurement, thickness determines whether main frame needs to export the 3rd repair welding pulse thus, if quality of welding spot is good, reach predetermined parameter, main frame is not exported the repair welding pulse, finishes a whole set of welding process;
(6) if quality of welding spot is bad, do not reach predetermined parameter, main frame continues to call repair welding pulse and the welding pressure data in the database, continues output repair welding pulse by main frame and carries out process of patch weld, finishes a whole set of welding process.
As the preferred technical solution of the present invention, the 3rd repair welding pulse of described step (6) is greater than second weld pulse, and the welding pressure of the 3rd repair welding pulse is less than the welding pressure of second weld pulse.
As the preferred technical solution of the present invention, store the welding parameter more than 1000 kinds in the described welding parameter database.
The invention has the beneficial effects as follows: with respect to prior art, the invention provides a kind of intelligent electronic spot welder with real-time detection and repair welding function, promptly weld and check that quality of welding spot carries out synchronously, weld what a solder joint and just check one, formed the automatic inspection system of a closed loop, solved a mash welder spot welding in the past and do not detect the problem of quality of welding spot.Use this intelligent electronic spot welder, solved rosin joint and the broken string problem of mash welder in pinpoint welding procedure, improved the reliability that communications industry, aerospace industry and senior Medical Devices industry electronic devices and components are made.Automaticity of the present invention is higher, uses convenient, reliable.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing and specific embodiment:
Fig. 1 is the schematic diagram of intelligent electronic spot welder of the present invention;
Fig. 2 is the key control circuit figure of intelligent electronic spot welder of the present invention;
Fig. 3 is the structural representation (containing main frame, head, cylinder, electro-magnetic braking device, electrical grating chi, welding head holder and some soldering tip) of intelligent electronic spot welder of the present invention;
Fig. 4 is the structural representation (containing main frame, head, servomotor, welding head holder and some soldering tip) of intelligent electronic spot welder head of the present invention.
Among Fig. 1: U2 be ATMEGE128 single chip machine controlling circuit, 74LS164 be 160*160 also the display module drive circuit, 485 for RS485 telecommunication circuit, MCP4725 be that DA change-over circuit, OP07 pressure sensor amplifying circuit, J7 pressure sensor sample circuit, J6 current sampling circuit, CN4 are that PLC interface or RS232 interface circuit, CON7 are that key scanning circuit, U30A, U30B, U30C, U30D and Q5, Q6, Q7, Q10 form electronic spot welder and drive and power amplification circuit.
Among Fig. 2: J1 is the electronic spot welder button inputting circuits.
Among Fig. 3 and Fig. 4: 1 is that main frame, 2 is that head, 3 is that cylinder, 4 is that pressure sensor, 5 is that front axle, 6 is that electro-magnetic braking device, 7 is that welding head holder, 8 is that electrical grating chi, 9 is that a soldering tip, 10 is that workbench, 11 welded pieces, 12 are servomotor.
The specific embodiment
Intelligent electronic spot welder of the present invention comprises the head of a soldering tip, main frame, band pressure detecting and electro-magnetic braking device, the single-chip microcomputer of main frame is equipped with the welding data library manager, built-in welding parameter and data, be convenient to the size of Based Intelligent Control output weld pulse, and the variation of real-time inspection outside weldings voltage, electric current and welding pressure.
On the execution bar of head electrical grating, cylinder or servomotor are housed, two electrodes that described some soldering tip made by refractory metal material constitute, the terminal Ohmic contact mutually of described electrode or directly connect, and remainder insulate.Described main frame comprises single chip machine controlling circuit, current feedback circuit and power switch circuit, and its annexation is: single chip machine controlling circuit connects power switch circuit behind current feedback circuit.
During welding, main frame produces three pulses by the single-chip microcomputer internal database, and first is the paint removal pulse, is used for paint removal; Second is weld pulse, is used for finishing welding, and the 3rd is the repair welding pulse.Three pulses are by the single-chip microcomputer internal database, the enamel-covered wire line footpath of welding and whether need repair welding and produce automatically as required, the enamel-covered wire line footpath of welding is different with the thickness of solder joint, thereby the weld pulse that is determined is also just different with welding pressure, and each pulsion phase is every 1ms～10ms.
So design, can detect the size in the enamel-covered wire line footpath of each welding in advance, thereby determine to call other paint removal pulse and welding pressure of respective sets in the single-chip data storehouse, this pulse and welding pressure meeting automatism are on enamel-covered wire, in case after reaching the welding pressure of setting, main frame output paint removal pulse is automatically finished paint removal, the kinematic axis of the automatic locking head of electro-magnetic braking device then, at this moment single-chip microcomputer is measured automatically by the thickness of enamel-covered wire solder joint after the paint removal, thickness determines to call other weld pulse of respective sets and welding pressure in the single-chip data storehouse thus, at this moment cylinder or servomotor can continue down to move, behind the welding pressure that reaches setting, main frame output weld pulse is finished welding.Then, the kinematic axis of the automatic locking head of electro-magnetic braking device, automatically measure the thickness of solder joint after the soldered impulsed spot welding once more by single-chip microcomputer, thickness determines whether main frame needs to export the 3rd repair welding pulse thus, if quality of welding spot is good, reach predetermined parameter, main frame is not then exported the repair welding pulse, finishes a whole set of welding process automatically.If quality of welding spot is bad, main frame continues to call repair welding pulse and the welding pressure in the single-chip data storehouse, the 3rd repair welding pulse is bigger than second weld pulse automatically, the welding pressure of the 3rd repair welding pulse is littler than the welding pressure of second weld pulse automatically, continue output repair welding pulse by main frame and carry out process of patch weld, finish a whole set of welding process.
This intelligent electronic spot welder has solved rosin joint and the broken string problem of mash welder in pinpoint welding procedure, has improved the reliability that aerospace industry and senior Medical Devices industry electronic devices and components are made.
Head of the present invention upper end is equipped with cylinder or servomotor, carries out bar, pressure sensor and front axle, and wherein grating is equipped with in the front axle of head upper end, and mid portion is equipped with electro-magnetic braking device, and welding head holder is equipped with in the lower end, and welding head holder is used for the fastening point soldering tip.The hypervisor of host SCM inside is the core of this intelligent electronic spot welder, and the output of the management of welding parameter database, three intelligent pulses and the detection of external feedback signal realize by it.
As optimizing embodiment, described head executing agency is divided into two parts, is respectively cylinder or servomotor, is used for providing power for the axially-movable up and down of head.When using cylinder, provide axially-movable power, need assist with the electrical grating chi and measure move distance by compressed gas source; When using servomotor, provide axially-movable power, directly read the pulse output number of servomotor and convert move distance to by single-chip microcomputer by direct current.
As optimizing embodiment, cylinder or servomotor link to each other with pressure sensor by carrying out bar, pressure sensor is used for detecting in real time welding pressure, single-chip microcomputer by main frame read in real time data and and database in the welding pressure parameter contrast in real time, export corresponding pulse with definite main frame.The electrical grating chi is equipped with in the upper end of head front axle, reads the data of electrical grating chi by single-chip microcomputer, to measure move distance.The mid portion of head front axle is equipped with electro-magnetic braking device, directly controls the axially-movable of front axle.Welding head holder is equipped with in the lower end of head front axle, is used for the fastening point soldering tip.The point soldering tip is connected by the pulse output cable of welding head holder and main frame, provides welding energy by main frame to a soldering tip.Main frame is provided with LCD display, shows data and three data that pulse is exported of measuring in real time.Be solidified with 2000 kinds of welding parameters in the storage chip of main frame of the present invention, can satisfy the needs of precise electronic spot welding.
Specific embodiments of the invention are as follows:
Embodiment one: as shown in Figure 1 to Figure 3, intelligent electronic spot welder of the present invention comprises main frame 1, head 2 and cylinder 3, be provided with single chip machine controlling circuit and welding parameter data base administrator in the main frame 1, the connecting rod that cylinder 3 is provided with links to each other with the rear end of pressure sensor 4, electrical grating chi 8 is equipped with in the top of pressure sensor 4, the front end of pressure sensor 4 and front axle 5 links, front axle 5 mid portions are equipped with electro-magnetic braking device 6, welding head holder 7 is contained in the lower end of front axle 5, the front end of welding head holder 7 is fixed with a soldering tip 9, and some soldering tip 9 belows are workbench 10 and welded piece 11.
Main frame 1 is by the real-time control cylinder 3 of control cable, pressure sensor 4, electro-magnetic braking device 6 and electrical grating chi 8.When opening main frame 1 for the first time, electrical grating chi 8 automatic clears, press the startup button, under not by the situation of welding lacquered wire or welded article body, front axle 5 is under the drive of cylinder 3, make welding head holder 7 and the slowly down motion of some soldering tip 9, when soldering tip move to workbench 10 above the time, pressure has increase a little, the SCM program of main frame 1 can detect the welding pressure of soldering tip automatically by pressure sensor 4, the SCM program of main frame 1 reads in move distance at this moment automatically by electrical grating chi 8 simultaneously, and this distance is for measuring total distance of solder joint thickness.Then, front axle 5 automatically resets under the drive of cylinder 3 and makes zero, when needing welding, once more by starting button, at this moment this intelligent electronic spot welder just can start welding procedure automatically, down move by cylinder 3 control point soldering tips 9, when a soldering tip 9 during near enamel-covered wire on the welded part 11 or soldered object, welding pressure can increase rapidly, main frame 1 is output paint removal pulse automatically, simultaneously, the host SCM control circuit is by control electro-magnetic braking device 6 locked front axles 5, main frame 1 reads in the move distance of this moment simultaneously in real time by electrical grating chi 8, the total distance of the motion of soldering tip first deducts this distance, it promptly is the solder joint thickness after the paint removal pulse output, this thickness is the size of solder joint just, the size of solder joint thus, do contrast by data, the size of decision main frame 1 output weld pulse, at this moment main frame 1 can discharge electro-magnetic braking device 6 rapidly, and make front axle 5 continue down motion by cylinder 3, export weld pulse in real time, locked front axle 5 of while, measure the size of solder joint thickness once more in real time, the size of solder joint need to judge whether repair welding thus, the size of this solder joint and the parameter in the database are compared, if do not need repair welding, then front axle automatically resets under the drive of cylinder and makes zero repair welding if desired, at this moment main frame 1 can discharge electro-magnetic braking device 6 rapidly, and making front axle 5 continue down motion by cylinder 3, main frame 1 is exported a repair welding pulse than weld pulse big 10% simultaneously, finishes repair welding, and locked front axle 5, soldering tip is pressed on the solder joint, discharges cylinder 3 behind the time-delay 2-10ms and front axle 5 is resetted make zero, thereby finish the whether firm process of automatic spot and automatic inspection quality of welding spot.
Embodiment two: as Fig. 1, Fig. 2 and shown in Figure 4, intelligent electronic spot welder of the present invention comprises main frame 1, head 2 and servomotor 12, be provided with single chip machine controlling circuit and welding parameter data base administrator in the main frame 1, the collar plate shape grating sensor is housed on the servomotor 12, the main shaft of servomotor 12 links to each other by the rear end of ring flange with pressure sensor 4, the front end of pressure sensor 4 links to each other with front axle 5, welding head holder 7 is equipped with in front axle 5 lower ends, the front end fixing point soldering tip 9 of welding head holder 7, store 2000 kinds of welding parameters in the storage chip of main frame 1, export the paint removal pulse according to the data that detection obtains, weld pulse and repair welding pulse, liquid crystal display interface by main frame 1 shows measurement in real time, weldingvoltage, the data of electric current and welding pressure, and by control cable control servomotor 12 in real time, pressure sensor 4, other embodiment is identical with embodiment one.Concrete use is as follows:
When opening main frame 1 for the first time, main frame 1 automatic clear, press the startup button, under not by the situation of enamel-covered wire or welded article body, front axle 5 is under the drive of servomotor 12, make welding head holder 7 and the slowly at the uniform velocity down motion of some soldering tip 9, when soldering tip move to workbench above the time, pressure has increase a little, the SCM program of main frame can detect the welding pressure of soldering tip automatically by pressure sensor, and simultaneously the SCM program in the main frame can read in the move distance of this moment automatically by the disk grating sensor on the servomotor 12, with this apart from total length as the measurement solder joint thickness, then, front axle 5 automatically resets.When needing welding, once more by starting button, at this moment this intelligent electronic spot welder just can start welding procedure automatically, down move by servomotor 12 control point soldering tips 7, when a soldering tip 7 during near enamel-covered wire on the welded part 11 or soldered object, at this moment welding pressure can increase rapidly, main frame 1 is output paint removal pulse automatically, simultaneously, the host SCM control circuit is by control servomotor 12 locked front axles 5, main frame 1 reads in the move distance of this moment simultaneously in real time by the disk grating sensor on the servomotor 12, the move distance of soldering tip deducts this distance first, it is the solder joint thickness of removing after pulse is exported, this thickness is the size of solder joint just, the size of solder joint thus, by with database in parameter comparison, decide the size of main frame 1 output weld pulse, at this moment main frame 1 can be controlled servomotor 12 rapidly and make down motion of front axle 5 continuation, and exports weld pulse in real time, simultaneously, by servomotor 12 locked front axles 5, measure the size of solder joint thickness once more in real time, the thickness of soldering tip need to judge whether repair welding thus, with the parameter in this solder joint thickness and the database relatively, if do not need repair welding, then servomotor 12 automatically resets; Repair welding if desired, at this moment main frame 1 can be controlled servomotor 12 rapidly and make down motion of front axle 5 continuation, main frame 1 is exported a repair welding pulse than weld pulse big 10% simultaneously, finish repair welding, and locked front axle 5, soldering tip is pressed on the solder joint, and servomotor 12 resets and makes zero behind the time-delay 2-10ms, thereby finishes the process of automatic spot and automatic inspection quality of welding spot and repair welding.
Claims (10)
1. intelligent electronic spot welder, comprise main frame, head and control device, main frame is provided with power-control device and is connected with the head circuit by connecting line, control device can be controlled head motion and carry out the welding action, it is characterized in that: described control device comprises data processing and memory cell, and this unit is connected with the power-control device circuit of main frame;
Described head comprises executing agency, checkout gear and brake apparatus, and executing agency comprises drive unit, front axle and be located at the welding head holder of front axle lower end, and the front end of welding head holder is fastenedly connected a soldering tip, and checkout gear is connected with front axle respectively with brake apparatus;
Described drive unit, checkout gear and brake apparatus are connected with the control device circuit;
Described checkout gear is handled with data and is connected with storage unit circuit;
Described control device can make the spot welding head freely move up and down by drive unit, and checkout gear transfers to data with the gained data in real time and handles and memory cell, and makes a soldering tip automatically perform the welding action by main frame.
2. intelligent electronic spot welder according to claim 1 is characterized in that: described checkout gear comprises pressure sensor and displacement transducer, and described drive unit is connected with the rear end of pressure sensor, and the front end of pressure sensor is connected with described front axle;
The upper end of described front axle is provided with displacement transducer.
3. intelligent electronic spot welder according to claim 2 is characterized in that: described displacement transducer comprises electrical grating chi or round grating sensor.
4. intelligent electronic spot welder according to claim 1 and 2 is characterized in that: described drive unit comprises driving cylinder or servomotor;
Described driving cylinder is connected with pressure sensor by connecting rod, and the top of pressure sensor is provided with the electrical grating chi;
Described servomotor is provided with round grating sensor, and the kinematic axis of servomotor is equipped with ring flange, and the rear end of ring flange and pressure sensor links to each other, and the front end of pressure sensor links to each other with front axle.
5. intelligent electronic spot welder according to claim 1 and 2 is characterized in that: described brake apparatus comprises electro-magnetic braking device, and electro-magnetic braking device is located at the mid portion of described front axle.
6. intelligent electronic spot welder according to claim 1 and 2 is characterized in that: described data are handled and memory cell comprises single-chip microcomputer, and single-chip microcomputer is located in the main frame, and is connected with single chip machine controlling circuit, current feedback circuit and the power switch circuit of main frame;
Described single chip machine controlling circuit connects power switch circuit through current feedback circuit.
7. intelligent electronic spot welder according to claim 1 is characterized in that: described main frame is provided with display and control button, and display can show voltage, electric current and welding pressure in real time;
Two electrodes that described some soldering tip made by refractory metal material constitute, the terminal Ohmic contact mutually of described electrode or directly connect, and remainder insulate.
8. smart electronics spot welding method is characterized in that this method may further comprise the steps:
(1) sets up database with some welding parameters;
(2) measure the diameter of enamel-covered wire to be processed, find out the parameter of other paint removal pulse of respective sets and welding pressure according to gained line footpath in the above-mentioned database;
(3) the some soldering tip acts on pressure on the enamel-covered wire when reaching setting value, and main frame is exported the paint removal pulse automatically and finished paint removal;
(4) kinematic axis of the automatic locking point soldering tip of brake apparatus, main frame is measured automatically by the thickness of enamel-covered wire solder joint after the paint removal, thickness determines to call the parameter of other weld pulse of respective sets and welding pressure in the database thus, the kinematic axis of some soldering tip continues down motion, when reaching the welding pressure of setting, main frame output weld pulse is finished welding;
(5) kinematic axis of the automatic locking point soldering tip of brake apparatus, solder joint thickness after the soldered impulsed spot welding of automatic once more measurement, thickness determines whether main frame needs to export the 3rd repair welding pulse thus, if quality of welding spot is good, reach predetermined parameter, main frame is not exported the repair welding pulse, finishes a whole set of welding process;
(6) if quality of welding spot is bad, do not reach predetermined parameter, main frame continues to call repair welding pulse and the welding pressure data in the database, continues output repair welding pulse by main frame and carries out process of patch weld, finishes a whole set of welding process.
9. smart electronics spot welding method according to claim 8 is characterized in that: the 3rd repair welding pulse of described step (6) is greater than second weld pulse, and the welding pressure of the 3rd repair welding pulse is less than the welding pressure of second weld pulse.
10. smart electronics spot welding method according to claim 8 is characterized in that: store the welding parameter more than 1000 kinds in the described welding parameter database.
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| CN111906426A (en) * | 2019-06-04 | 2020-11-10 | 中车大同电力机车有限公司 | Manual single-side single-point resistance spot welding device |
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| CN102962627A (en) * | 2012-10-30 | 2013-03-13 | 西安航空动力股份有限公司 | Repair method for aero-engine fan casing borescope base |
| CN102962627B (en) * | 2012-10-30 | 2015-04-08 | 西安航空动力股份有限公司 | Repair method for aero-engine fan casing borescope base |
| CN104439669B (en) * | 2013-09-13 | 2019-10-25 | 罗伯特·博世有限公司 | For running the device of welding system |
| CN104439669A (en) * | 2013-09-13 | 2015-03-25 | 罗伯特·博世有限公司 | Arrangement for operation of welding system |
| WO2015081644A1 (en) * | 2013-12-03 | 2015-06-11 | 广州微点焊设备有限公司 | Automatic welding manufacture equipment for electronic elements |
| CN104201122A (en) * | 2014-08-13 | 2014-12-10 | 南通富士通微电子股份有限公司 | Method for horizontal adjustment of hot-pressure welding head |
| CN104201122B (en) * | 2014-08-13 | 2017-08-11 | 通富微电子股份有限公司 | The method of hot-pressing welding head Level tune |
| CN104722878B (en) * | 2015-03-27 | 2017-06-27 | 常州铭赛机器人科技股份有限公司 | Automatic spot head |
| CN104722878A (en) * | 2015-03-27 | 2015-06-24 | 常州铭赛机器人科技股份有限公司 | Automatic spot welding machine head |
| CN111906426A (en) * | 2019-06-04 | 2020-11-10 | 中车大同电力机车有限公司 | Manual single-side single-point resistance spot welding device |
| CN111906426B (en) * | 2019-06-04 | 2022-03-08 | 中车大同电力机车有限公司 | Manual single-side single-point resistance spot welding device |
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