CN107552958A - A kind of welding method of electrokinetic cell sealing - Google Patents
A kind of welding method of electrokinetic cell sealing Download PDFInfo
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- CN107552958A CN107552958A CN201710657406.0A CN201710657406A CN107552958A CN 107552958 A CN107552958 A CN 107552958A CN 201710657406 A CN201710657406 A CN 201710657406A CN 107552958 A CN107552958 A CN 107552958A
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- plumb joint
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Abstract
The present invention proposes a kind of welding method of electrokinetic cell sealing, using continuous output laser as LASER Light Source, using swing type plumb joint as Laser output head, swing type plumb joint workpiece motion s relatively to be welded are driven using linear electric motors motion platform, to implement the welding of the housing of electrokinetic cell and cover plate；Wherein, swing type plumb joint is set to do one direction closed loop moving along axis of a weld, the laser action for being emitted swing type plumb joint follows axis of a weld in the hot spot of workpiece to be welded and does circular swing, so that the welding track of workpiece to be welded is the helix for following axis of a weld.Welding efficiency can be improved, improves welding quality.
Description
Technical field
The present invention relates to laser processing, more particularly to the welding method of the housing of electrokinetic cell and cover plate.
Background technology
Referring to Fig. 1, electrokinetic cell seal welding refers to be welded after combining the plate of lid 20 of electrokinetic cell and housing 10,
Welding line structure is Corner butt joint.The welding track of electrokinetic cell sealing is typically the rectangular path of fillet.Existing welding
Mode, welding efficiency is relatively low, if speed of welding is increased to greater than into 100mm/s, the direct irradiation metal of laser beam 50 melts
Change acutely, while setting rate is fast, welding process is easier to the impurity effect in by workpiece gap 40, so as to there is weld seam aperture etc.
Mass defect, and the open defect such as undercut, out-of-flatness.It can be seen that it is necessary to be improved in fact.
The content of the invention
The technical problem to be solved in the present invention is, for the drawbacks described above of prior art, proposes a kind of electrokinetic cell envelope
The welding method of mouth, it is possible to increase welding efficiency, improve welding quality.
The technical solution adopted for the present invention to solve the technical problems is：A kind of welding side of electrokinetic cell sealing is provided
Method, using continuous output laser as LASER Light Source, using swing type plumb joint as Laser output head, using linear electric motors
Motion platform drives swing type plumb joint workpiece motion s relatively to be welded, to implement the welding of the housing of electrokinetic cell and cover plate；
Wherein, swing type plumb joint is made to do one direction closed loop moving along axis of a weld, the laser action for being emitted swing type plumb joint
Axis of a weld is followed in the hot spot of workpiece to be welded and does circular swing, so that the welding track of workpiece to be welded is to follow in weld seam
The helix of heart line.
Wherein, the relatively low side of heat input of hot spot is made in the combination side of weld seam and cover plate；Make the heat input of hot spot higher
Side is in the combination side of weld seam and housing.
Wherein, the circular direction of rotation swung and the direction of rotation phase of the closed loop moving of swing type plumb joint of hot spot are made
Instead.
Wherein, the closed loop moving of swing type plumb joint is made to form a shape to match with electrokinetic cell sealing, if closed loop
Motion is clockwise, then the circular direction of rotation swung of hot spot is counterclockwise；If closed loop moving is counterclockwise, the circle of hot spot
The direction of rotation that shape is swung is clockwise.
Wherein, swing type plumb joint is included two oscillating motors, deflection eyeglass is housed on each oscillating motor, welded
When, make two oscillating motors drive deflection eyeglass to do regular swing, so that the hot spot of swing type plumb joint outgoing does circle
Shape is swung.
Wherein, swing type plumb joint is blown protection gas with the laser coaxial of outgoing, control the gas flow of protection gas
In 20-30L/min.
Wherein, the movement velocity of swing type plumb joint is made to control in 100-250mm/s.
Wherein, the hot spot for being emitted swing type plumb joint does the diameter control of circular swing in 0.2-1.5mm.
Wherein, the hot spot for being emitted swing type plumb joint does the FREQUENCY CONTROL of circular swing in 200-1000Hz.
Wherein, before implementing to weld, following preliminary activities are carried out：Calibrate the perpendicularity of swing type plumb joint；Positioning is swung
The focus of formula plumb joint；Adjust the hot spot swinging track of swing type plumb joint；And the operational factor of regulation swing type plumb joint.
The beneficial effects of the present invention are moved by continuous output laser, swing type plumb joint and linear electric motors
Platform, the welding track for making workpiece to be welded are the helix for following axis of a weld, it is possible to increase welding efficiency, improve welding matter
Amount.
Brief description of the drawings
Below in conjunction with drawings and Examples, the invention will be further described, in accompanying drawing：
Fig. 1 is the signal of electrokinetic cell enclosuring structure.
Fig. 2 is the signal of electrokinetic cell seal welding track of the present invention.
Fig. 3 is the signal of swing type welding header structure of the present invention.
Fig. 4 is the signal of spot motion track synthesis of the present invention.
Wherein, Main Reference Numerals are as follows：The swing type plumb joint of 10 housing, 20 cover plate, 30 movement locus, 50 laser 60
The colimated light system 63X axles of 301 axis of a weld, 305 direction of motion, 501 welding track, 505 direction of rotation, 61 optical fiber 62 are swung
The focusing system of motor 64Y axles oscillating motor 65.
Embodiment
In conjunction with accompanying drawing, presently preferred embodiments of the present invention is elaborated.
Referring to Fig. 2 to Fig. 4, Fig. 2 is the signal of electrokinetic cell seal welding track of the present invention.Fig. 3 is weave bead welding of the present invention
The signal of joint design.Fig. 4 is the signal of spot motion track synthesis of the present invention.The present invention proposes a kind of electrokinetic cell sealing
Welding method, it is to be used swing type plumb joint as LASER Light Source using continuous output laser as laser emitting head, used
Linear electric motors motion platform drives swing type plumb joint workpiece motion s relatively to be welded.Wherein, the motion rail of swing type plumb joint
Mark 30 is along axis of a weld 301, follows the direction of motion 305 and does formation one and the electrokinetic cell that one direction closed loop moving is formed
Seal the shape to match.The hot spot that the laser 50 that swing type plumb joint 60 is emitted acts on workpiece to be welded follows axis of a weld
301 do circular swing, so that the welding track 501 of workpiece to be welded is the helix for following axis of a weld 301.In this implementation
In example, rectangle is shaped as due to electrokinetic cell sealing, therefore movement locus 30 is rectangle；In other embodiments, if power
Battery seal is shaped as circle, then movement locus 30 is correspondingly circle.
Referring to Fig. 4, the swing type plumb joint 60 includes the optical fiber 61 being connected with LASER Light Source, colimated light system 62, and X-axis is swung
Motor 63, Y-axis oscillating motor 64 and focusing system 65.Wherein, X-axis oscillating motor 63 and Y-axis oscillating motor 64 can drive
(not shown) swing of deflection eyeglass inside plumb joint 60, so as to control hot spot to swing within the specific limits.
In addition, plumb joint 60 has the protection air-blowing device of air (not shown) coaxially exported with laser 50, protection gas leads to
It is often nitrogen or argon gas, gas flow is controlled in 20-30L/min.
When implementing to weld, plumb joint 60 is arranged on three axle linear electric motors motion platforms (not shown), workpiece (i.e. shell
Body 10 and cover plate 20) it is fixed on fixture (not shown).Plumb joint 60 is driven by linear electric motors motion platform, according to Fig. 2 institutes
The movement locus 30 shown is moved, and implements welding, and the movement velocity of plumb joint 60 is controlled in 100-250mm/s.
Also, in welding process, the deflection eyeglass inside plumb joint 60 is swung, and laser 50 is acted on workpiece to be welded
Hot spot follow axis of a weld 301 and do circular swing so that the welding track 501 of workpiece to be welded is follows axis of a weld
301 helix (referring to Fig. 3).In the present embodiment, hot spot, which follows axis of a weld 301 and does the diameter control of circular swing, exists
0.2-1.5mm, hunting frequency are controlled in 200-1000Hz.
It is noted that plumb joint 60 is driven by linear electric motors motion platform, follow and counterclockwise form movement locus
30.Meanwhile the direction of rotation 505 of the swinging track of the hot spot of laser 50 as caused by plumb joint 60 is as one man using clockwise
Direction.In other embodiments, if plumb joint 60 is driven by linear electric motors motion platform, follow and form motion rail clockwise
Mark 30.So, the direction of rotation 505 of the swinging track of the hot spot of laser 50 as caused by plumb joint 60 is then as one man using inverse
Clockwise.That is, the direction of rotation of the direction of motion 305 is opposite with the direction of rotation 505 of the swinging track of hot spot.With
Under, the operation principle opposite with direction of rotation 505 to this direction of motion 305 of the present invention, it is described in detail.
Within an a diameter of 1mm circular hunting period, it is assumed that the circle swing speed of hot spot is V1, angular speed is
ω, the point-to-point speed of plumb joint 60 is V2, the movement velocity parametric equation of the hot spot of laser 50 in workpiece planarization is:
Vx=V1sin(wt)+V2 Vy=V1cos(wt)
Wherein, Vx, Vy are the component velocity of hot spot resultant motion.When the motion of the direction of motion 305 and swing type plumb joint 60
When direction is parallel, movement velocity of the hot spot in axis of a weld both sides about 301 is different, then in the unit interval, hot spot is in weld seam
Displacement on center line 301 is also different.Hot spot axis of a weld about 301 the arc length of the movement locus of both sides be respectively：
Wherein, L1Positioned at the faster side of spot motion, L2The side slower positioned at spot motion.Consequently, it is possible to it can cause
Axis of a weld unit length systemic laser energy difference in both sides about 301.Further, in single T hunting period,
Hot spot is rolled to each side in axis of a weld about 301, and its average heat input difference is E:
Wherein, P is laser power, and n is laser absorption percentage, and T is hunting period, L1And L2Respectively axis of a weld
The arc length of the spot motion track of about 301 both sides.
Enumerate one：Laser is all absorbed, i.e. n=1；Laser power P=3000W；Hunting period, T=0.00125s was (right
The frequency answered is 800Hz)；Swing diameter D=0.3mm；Platform movement velocity V2=200m/s；Then L1=0.5580mm, L2=
0.4006mm, average heat input difference E=1.32J/mm；Wherein, L1 sides correspond to average line ENERGY E 1=3.3602J/mm, L2 sides
Corresponding average line ENERGY E 2=4.6805J/mm, E1:E2=71.79%.
Enumerate two：Laser is all absorbed, n=1；Laser power P=3000W；Hunting period, T=0.005s was (corresponding
Frequency is 200Hz)；Swing diameter D=1mm；Platform movement velocity V2=200m/s；Then L1=1.9232mm, L2=
1.2969mm, average heat input difference E=1.88J/mm；Wherein, L1 sides correspond to average line ENERGY E 1=3.8998J/mm, L2 sides
Corresponding average line ENERGY E 2=5.7802J/mm, E1:E1=67.47%.
Enumerated from above-mentioned, if the direction of motion 305 is to be rotated counterclockwise, the rotation of the swinging track of hot spot
Direction 505 is should be clockwise；If the direction of motion 305 is is rotated clockwise, the direction of rotation 505 of hot spot swinging track
It should be counterclockwise.That is, remain that the relatively low side of heat input (upside of the axis of a weld 301 in L1 sides, i.e. Fig. 3) exists
The combination side (referring to Fig. 1) of weld seam 40 and cover plate 20, so as to reach the purpose for eliminating undercut.It can also ensure that heat input is higher simultaneously
Side (downside of the axis of a weld 301 in L2 sides, i.e. Fig. 3) in the combination side (referring to Fig. 1) of weld seam 40 and housing 10, from
And reach the effect of smooth and glossy bag edge.
Specifically, the welding method carries out following preliminary activities before implementing to weld：
Step 1, the perpendicularity of calibration swing type plumb joint 60.Specifically, the plumb joint 60 is swing type plumb joint, its
Equipped with two oscillating motors, deflection eyeglass is housed on oscillating motor.During spiral welded, two oscillating motors drive deflection eyeglass to do
Regular swing so that laser beam 50 forms a circular swinging track.In addition, the plumb joint 60 can coaxially blow protection
Gas.The coaxial uniformity blown protection gas and may insure welding effect.
The process of this calibration specifically includes：Plumb joint 60 is set to make a call to a point P on workpiece planarization in Z1 height light extractions,
Then the cross for adjusting the display in CCD overlaps with solder joint；The height of plumb joint 60 is transferred to Z2, observes the cross in CCD
Whether overlapped with solder joint P, if misaligned, illustrate the out of plumb of plumb joint 60, the angle of plumb joint 60 need to be adjusted, until in CCD
Cross overlaps with solder joint.Plumb joint perpendicularity can directly affect weld seam uniformity.
Step 2, the focus of positioning swing type plumb joint 60.Specifically, tilting one block of steel plate under plumb joint 60, with one
Constant speed degree and power welding straight line, then observe the molten wide and fusion penetration in straight bead, are Jiao in fusion penetration maximum
Point.
Step 3, the hot spot swinging track of adjustment swing type plumb joint 60.Specifically, movement locus 30 is closed type,
If the direction of motion 305 is counterclockwise, the direction of rotation 505 of hot spot keeps clockwise；If the direction of motion 305 is
Clockwise, the direction of rotation 505 of hot spot is kept counterclockwise.
Step 4, adjust the operational factor of swing type plumb joint.Specifically include：Laser power, speed of welding are (i.e. foregoing
Platform movement velocity V2), defocusing amount, protection air-flow amount, the parameter such as circle swing diameter and circle swing frequency.
For example, laser power 3500W, speed of welding 200mm/s, defocusing amount+3mm, protection gas is argon gas or nitrogen,
Flow is 30L/min, and the selection of circle swing diameter is 0.3mm, and the selection of circle swing frequency is 500Hz.Assuming that n=1, then L1=
0.5639mm, L2=0.3188mm, average heat input difference E=4.7720J/mm.Wherein, weld seam 40 is close to the flat of the side of cover plate 20
Equal heat input E1=6.2068J/mm, average line ENERGY E 2=10.9788J/mm, E1 of the weld seam 40 close to the side of housing 10:E2=
56.53%.
Beneficial effects of the present invention include：1st, (revolved by adjusting swing diameter, hunting frequency and the swaying direction of hot spot
Turn direction 505), the welding track 501 for making workpiece to be welded is the helix for following axis of a weld 301, can eliminate power electric
Seal the undercut of weld seam, smooth weld seam in pond.Swung further, since adding, molten bath depth-to-width ratio reduces, can by weld seam by V-shaped,
U-shaped is adjusted to, appearance of weld is better, and splatter will not be caused to enter inside battery container because weld seam is too deep, influences
Weld Performance, for this characteristic when battery container 10, cover plate 20 are thinner, effect is more obvious.2nd, swung by hot spot, weldering can be eliminated
Connect stomata, reduce the hole that splashed caused by impurity between workpiece (housing 10 and cover plate 20), improve welding yield.3rd, swing type is passed through
The coaxial output protection gas of plumb joint 60, can prevent the metal of workpiece from aoxidizing, and make weld appearance bright.
It should be appreciated that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations, to ability
For field technique personnel, the technical scheme described in above-described embodiment can be modified, or it is special to which part technology
Sign carries out equivalent substitution；And these are changed and are replaced, it should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of welding method of electrokinetic cell sealing, it is characterised in that using continuous output laser as LASER Light Source, adopt
By the use of swing type plumb joint as Laser output head, swing type plumb joint work relatively to be welded is driven using linear electric motors motion platform
Part moves, to implement the welding of the housing of electrokinetic cell and cover plate；Wherein, swing type plumb joint is made to make folk prescription along axis of a weld
To closed loop moving, the laser action for being emitted swing type plumb joint follows axis of a weld in the hot spot of workpiece to be welded and does circular pendulum
It is dynamic, so that the welding track of workpiece to be welded is the helix for following axis of a weld.
2. according to the method for claim 1, it is characterised in that：Make the relatively low side of heat input of hot spot in weld seam and cover plate
With reference to side；Make the higher side of the heat input of hot spot in the combination side of weld seam and housing.
3. according to the method for claim 2, it is characterised in that：The circular direction of rotation swung of hot spot is set to be welded with swing type
The direction of rotation of the closed loop moving of joint is opposite.
4. according to the method for claim 3, it is characterised in that：The closed loop moving of swing type plumb joint is set to form one and power
The shape that battery seal matches, if closed loop moving is clockwise, the circular direction of rotation swung of hot spot is counterclockwise；If
Closed loop moving is counterclockwise, then the circular direction of rotation swung of hot spot is clockwise.
5. according to the method for claim 1, it is characterised in that：Swing type plumb joint is set to include two oscillating motors, each
Equipped with deflection eyeglass on oscillating motor, in welding, two oscillating motors are made to drive deflection eyeglass to do regular swing, so as to
The hot spot for being emitted swing type plumb joint does circular swing.
6. according to the method for claim 5, it is characterised in that：Swing type plumb joint is set to blow guarantor with the laser coaxial of outgoing
Gas is protected, the gas flow of protection gas is controlled in 20-30L/min.
7. according to the method for claim 1, it is characterised in that：The movement velocity of swing type plumb joint is set to control in 100-
250mm/s。
8. according to the method for claim 1, it is characterised in that：The hot spot for being emitted swing type plumb joint does circular swing
Diameter control is in 0.2-1.5mm.
9. according to the method for claim 1, it is characterised in that：The hot spot for being emitted swing type plumb joint does circular swing
FREQUENCY CONTROL is in 200-1000Hz.
10. according to the method described in any one of claim 1 to 9, it is characterised in that：Before implementing to weld, following preparation is carried out
Action：Calibrate the perpendicularity of swing type plumb joint；Position the focus of swing type plumb joint；Adjust the hot spot pendulum of swing type plumb joint
Dynamic rail mark；And the operational factor of regulation swing type plumb joint.
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| CN201710657406.0A CN107552958A (en) | 2017-08-03 | 2017-08-03 | A kind of welding method of electrokinetic cell sealing |
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| CN201710657406.0A CN107552958A (en) | 2017-08-03 | 2017-08-03 | A kind of welding method of electrokinetic cell sealing |
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241301A (en) * | 1997-09-30 | 2000-01-12 | 松下电器产业株式会社 | Method of mfg. rectangular battery |
| JP2003017013A (en) * | 2001-06-29 | 2003-01-17 | Sanyo Electric Co Ltd | Sealing plate and weld-sealed battery using it |
| CN101224523A (en) * | 2007-01-19 | 2008-07-23 | 深圳市比克电池有限公司 | Laser welding method of metal parts and welding method of battery seal |
| JP2011224618A (en) * | 2010-04-20 | 2011-11-10 | Miyachi Technos Corp | Laser beam welding method |
| CN103056533A (en) * | 2012-12-20 | 2013-04-24 | 华中科技大学 | Oscillatory scanning laser beam-electric arc hybrid welding method and system |
| CN104999179A (en) * | 2015-08-04 | 2015-10-28 | 大族激光科技产业集团股份有限公司 | Laser welding method for large-gap weld |
| CN105108338A (en) * | 2015-09-30 | 2015-12-02 | 深圳市联赢激光股份有限公司 | Method for controlling laser welding |
| CN105304836A (en) * | 2014-06-27 | 2016-02-03 | 大族激光科技产业集团股份有限公司 | Power battery cover plate and power battery welding method |
| CN105555465A (en) * | 2014-02-25 | 2016-05-04 | 松下知识产权经营株式会社 | Laser welding method |
| CN105723542A (en) * | 2013-11-15 | 2016-06-29 | 日立汽车系统株式会社 | Prismatic battery |
| CN105873714A (en) * | 2014-01-08 | 2016-08-17 | 松下知识产权经营株式会社 | Laser welding method |
| WO2016194322A1 (en) * | 2015-06-01 | 2016-12-08 | パナソニックＩｐマネジメント株式会社 | Laser welding method, laser welding conditions determining method, and laser welding system |
| CN106660171A (en) * | 2014-08-08 | 2017-05-10 | 本田技研工业株式会社 | Laser welding device and laser welding method |
-
2017
- 2017-08-03 CN CN201710657406.0A patent/CN107552958A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241301A (en) * | 1997-09-30 | 2000-01-12 | 松下电器产业株式会社 | Method of mfg. rectangular battery |
| JP2003017013A (en) * | 2001-06-29 | 2003-01-17 | Sanyo Electric Co Ltd | Sealing plate and weld-sealed battery using it |
| CN101224523A (en) * | 2007-01-19 | 2008-07-23 | 深圳市比克电池有限公司 | Laser welding method of metal parts and welding method of battery seal |
| JP2011224618A (en) * | 2010-04-20 | 2011-11-10 | Miyachi Technos Corp | Laser beam welding method |
| CN103056533A (en) * | 2012-12-20 | 2013-04-24 | 华中科技大学 | Oscillatory scanning laser beam-electric arc hybrid welding method and system |
| CN105723542A (en) * | 2013-11-15 | 2016-06-29 | 日立汽车系统株式会社 | Prismatic battery |
| CN105873714A (en) * | 2014-01-08 | 2016-08-17 | 松下知识产权经营株式会社 | Laser welding method |
| CN105555465A (en) * | 2014-02-25 | 2016-05-04 | 松下知识产权经营株式会社 | Laser welding method |
| CN105304836A (en) * | 2014-06-27 | 2016-02-03 | 大族激光科技产业集团股份有限公司 | Power battery cover plate and power battery welding method |
| CN106660171A (en) * | 2014-08-08 | 2017-05-10 | 本田技研工业株式会社 | Laser welding device and laser welding method |
| WO2016194322A1 (en) * | 2015-06-01 | 2016-12-08 | パナソニックＩｐマネジメント株式会社 | Laser welding method, laser welding conditions determining method, and laser welding system |
| CN104999179A (en) * | 2015-08-04 | 2015-10-28 | 大族激光科技产业集团股份有限公司 | Laser welding method for large-gap weld |
| CN105108338A (en) * | 2015-09-30 | 2015-12-02 | 深圳市联赢激光股份有限公司 | Method for controlling laser welding |
Cited By (20)
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|---|---|---|---|---|
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| US11691220B2 (en) | 2018-03-06 | 2023-07-04 | Sk On Co., Ltd. | Battery module and manufacturing method thereof |
| CN111069802B (en) * | 2018-10-19 | 2022-05-03 | 双叶产业株式会社 | Welding method |
| CN111069802A (en) * | 2018-10-19 | 2020-04-28 | 双叶产业株式会社 | Welding method |
| CN111069772A (en) * | 2018-10-19 | 2020-04-28 | 双叶产业株式会社 | Welding method |
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| CN113710406A (en) * | 2019-12-19 | 2021-11-26 | 株式会社Lg新能源 | Battery module and method of manufacturing the same |
| CN113710406B (en) * | 2019-12-19 | 2024-02-23 | 株式会社Lg新能源 | Battery module and method of manufacturing the same |
| CN111562311A (en) * | 2020-05-16 | 2020-08-21 | 山东远卓检测技术有限公司 | Ultrasonic flaw detection method, device and system |
| CN112605530A (en) * | 2020-12-02 | 2021-04-06 | 深圳市杰普特光电股份有限公司 | Laser welding method |
| CN112605530B (en) * | 2020-12-02 | 2023-02-03 | 深圳市杰普特光电股份有限公司 | Laser welding method |
| CN113751875A (en) * | 2021-11-05 | 2021-12-07 | 武汉逸飞激光股份有限公司 | Sealing welding method and device for battery shell cover |
| WO2023083008A1 (en) * | 2021-11-09 | 2023-05-19 | 宁德时代新能源科技股份有限公司 | Cell welding device |
| CN114393296A (en) * | 2022-03-14 | 2022-04-26 | 北京金橙子科技股份有限公司 | Power control method for laser repeated combination track |
| CN114393296B (en) * | 2022-03-14 | 2024-04-26 | 北京金橙子科技股份有限公司 | Power control method for laser repeated combination track |
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| CN114850673B (en) * | 2022-06-22 | 2024-04-09 | 歌尔股份有限公司 | Stainless steel laser welding method |
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Application publication date: 20180109 |