CN108032526A - For docking the method for laser welding of plastics part - Google Patents
For docking the method for laser welding of plastics part Download PDFInfo
- Publication number
- CN108032526A CN108032526A CN201711331379.4A CN201711331379A CN108032526A CN 108032526 A CN108032526 A CN 108032526A CN 201711331379 A CN201711331379 A CN 201711331379A CN 108032526 A CN108032526 A CN 108032526A
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- Prior art keywords
- plastics
- laser
- laser beam
- welded
- plastics part
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
- B29C65/1635—Laser beams characterised by the way of heating the interface at least passing through one of the parts to be joined, i.e. laser transmission welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
- B29C65/16—Laser beams
- B29C65/1629—Laser beams characterised by the way of heating the interface
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention relates to a kind of method for laser welding for being used to dock plastics part, two plastics parts to be welded are docked to form Contact welding junction, by reflecting element by laser beam by a wherein plastics part slanted transmission to the Contact welding junction, laser beam is moved along the abutment joint between two plastics parts to be welded, so that plastics part starts to melt after absorbing laser energy at Contact welding junction, and after being overpressurized cooling, two plastics parts are connected as a single entity.The method for laser welding of the present invention, using reflecting element by the inclined Contact welding junction that two plastics parts to be welded are transmitted to from a wherein plastics part of laser beam, realize the docking of plastics part and realize and side weldering is carried out to plastics part, avoid in plastic workpiece surface defective material weld mark so that plastics part is more smooth.
Description
Technical field
The present invention relates to laser welding technology field, more particularly to a kind of laser welding side for being used to dock plastics part
Method.
Background technology
Laser plastic welding cleans effective plastics welding manner, the resin less degradation in welding process, production as a kind of
Raw chip is few, and welding process is untouchable will not to produce secondary pollution, and use is increasingly extensive.
At present, common plastics welding point form is upper and lower stitch welding, by lower floor after the light-passing plastic on laser light upper strata
Extinction plastics are absorbed, while pressurization melts two interlayers, and welding section is formed in contact surface.But other joint form laser weldings
Using immature.Docking has substantial amounts of application in production as relatively conventional joint form.When material docks, light beam hangs down
Straight welding can make the light absorbing position fusing of plastic material and material links together, however, the one side back to light beam cannot
Absorb light well and welding section can not be formed, moreover, vertical welding is directly carried out to material, can be easily on the surface of material
Weld mark is formed, influences product appearance.
The content of the invention
Based on this, it is necessary to provide a kind of can guarantee that and dock the laser welding side that plastic workpiece surface flatness realizes side weldering
Method.
A kind of method for laser welding for being used to dock plastics part, two plastics parts to be welded are docked to form Contact welding
Junction, by reflecting element by laser beam by a wherein plastics part slanted transmission to the Contact welding junction, by laser beam edge
Abutment joint movement between two plastics parts to be welded so that plastics part is opened after absorbing laser energy at Contact welding junction
Begin to melt, and after being overpressurized cooling, two plastics parts are connected as a single entity.
In one of the embodiments, wherein a plastics part is by being made the transparent material of laser beam, another plastics
Workpiece is made of the material of absorption laser beam.
In one of the embodiments, two plastics parts to be welded are made by the transparent material of laser beam, and
An at least plastics part coats the material of absorbable laser emission at Contact welding junction, alternatively, being set between two plastics parts
Put the material layer opaque to laser beam.
In one of the embodiments, the reflecting element is by being made the transparent plate of laser beam, and in the plate
Side form scarf, be coated with laser total reflection film on the scarf.
In one of the embodiments, the reflecting element has first surface opposing upper and lower and second surface, described oblique
Section is formed between the first surface and the second surface, and the laser beam plastics part to be welded to two welds
When, second surface is pressed on plastics part and is moved along the abutment joint between two plastics parts to be welded.
In one of the embodiments, the laser total reflection film on the vertical incident scarf of the laser beam, with
The plastics part to be welded of laser beam oblique incidence two is docked into the Contact welding junction to be formed.
In one of the embodiments, the angle of inclination of the scarf with respect to the horizontal plane α at an acute angle, and α is more than
45°。
In one of the embodiments, the edge that the plastics part to be welded to two is connected to each other respectively is cut, so that
It is wedge shaped that two plastics parts to be welded are connected to each other place, and the wedge-shaped apex angle ss is equal to 2 times of α.
In one of the embodiments, reflecting element immigration laser beam is being changed laser beam incidence plastics part
Before, by laser beam focusing in the bottom surface of plastics part.
In one of the embodiments, in laser beam progress is moved along the abutment joint between two plastics parts to be welded
During welding, reflecting element is moved with laser beam along the abutment joint between two plastics parts to be welded, and described oblique using being close to
The calibration beam incidence plastics part of section simultaneously remains the docking that calibration beam passes through between two plastics parts to be welded
The bottom profile of seam, to ensure the angular bisector of apex angle ss wedge shaped on the plastics part of laser beam slanted transmission positioned at anti-
Penetrate the scarf of part so that the laser beam reflected by reflecting element remains focused on described connect during being moved along abutment joint
Touch on welding surface.
Method for laser welding provided by the present invention for docking plastics part, it is using reflecting element that laser beam is inclined
The Contact welding junction of two plastics parts to be welded is transmitted to from a wherein plastics part, realizes docking and the realization of plastics part
Side weldering is carried out to plastics part, is avoided in plastic workpiece surface defective material weld mark so that plastics part is more smooth.
Brief description of the drawings
Fig. 1 is schematic diagram when the method for laser welding that an embodiment provides docks two plastics parts；
The structure of reflecting element and laser beam are in reflecting element in the method for laser welding that Fig. 2 provides for an embodiment
Light path schematic diagram；
Fig. 3 is to carry out laser welding schematic diagram to two plastics parts in another embodiment.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure
Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " interior ", " outer ", "left", "right" and
For illustrative purposes only, it is unique embodiment to be not offered as similar statement.
Refering to Fig. 1, a kind of method for laser welding for being used to dock plastics part of present embodiment offer, with to be welded
Exemplified by two plastics parts 300,400, in the method for laser welding, after two plastics parts 300,400 to be welded are mutually butted, meeting
Contact welding junction b is formed in boundary, that is, in the method for laser welding, the incident region of laser beam.This implementation
In mode, the laser 100 for producing laser beam can be semiconductor laser or ultraviolet laser, be not limited thereto.
In the embodiment, by reflecting element 200 by laser beam by the two wherein plastics parts of plastics part 300,400
Slanted transmission is to Contact welding junction b, and specifically, laser beam can sideling enter after reflecting element 200 changes laser optical path
Contact welding junction b is mapped to, rather than implements welding from the top abutment joint of two plastics parts 300,400, and then effectively will place
Closely weld together in the region of two plastics parts 300,400 contacts side surfaces and realize that side is welded, improve the stability of connection, and
And also avoid leaving weld mark on the surface of two plastics parts 300,400 so that the surface of plastics part 300,400 is relatively flat
It is whole.
In the above embodiment, laser beam is reflected through reflecting element 200 and oblique incidence is to two plastics parts to be welded
300th, 400 be bordered Contact welding junction b when, the focus point of laser beam also can accordingly on Contact welding junction b and
A hot spot is formed, the region of hot spot irradiation will heat up, closely melt plastics part 300,400.By laser beam along two
When abutment joint between plastics part 300,400 to be welded moves, i.e. the hot spot moves on Contact welding junction b, and then will
Two plastics parts 300,400 are welded in one.
It should be noted that two plastics parts 300,400 to be welded are that can absorb laser energy at Contact welding junction b
Amount, and then realize so that two plastics parts 300,400 to be welded melted at Contact welding junction b and after being overpressurized cooling
It is connected as a single entity.In present embodiment, at least one plastics part is by laser light in two plastics parts 300,400 to be welded
The transparent material of beam is made, so that reflecting element 200 can be by the inclined transmission plastics transparent to laser beam of laser beam
Workpiece and beat the Contact welding junction b in two plastics parts 300,400 to be welded, with realize side weld；And launch without adjustment
The welding posture of the laser 100 of laser beam, it is only necessary to laser 100 along two plastics parts 300,400 to be welded it
Between abutment joint movement, you can laser beam is reflexed to Contact welding junction b through reflecting element 200 so that during laser welding
Movement is simpler, it is not necessary to waits complex mechanism just can implement side weldering to two plastics parts 300,400 using multi-shaft interlocked.
In one of the embodiments, one of plastics part 300 and plastics part 400 are by transparent to laser beam
Material be made, the other is being made of the material of absorption laser beam.Such as shown in Fig. 1, plastics part 300 is using to laser
The material of beam transparent is made, and plastics part 400 is made of the material for absorbing laser beam.And then reflecting element 200 is by laser
When light beam transmits the plastics part 300, since plastics part 300 is transparent to laser beam, because without absorbing laser beam
Laser energy, and laser beam passes through the side that plastics part 400 is arrived in the oblique fire for almost having no to lose after plastics part 300.
Since plastics part 400 can absorb laser beam, the Contact welding junction b that plastics part 400 is irradiated in laser beam
Absorb laser energy and melt, be welded together after cooling with plastics part 300.In the present embodiment, due to laser light
Beam by reflecting element 200 reflection after, through plastics part 300 incide two plastics parts 300,400 boundarys contact weld
Face b, i.e. the energy of laser beam is focused on the side being connected to each other of plastics part 300,400, without in two plastics parts
300th, 400 surface forms weld mark；, can be by two plastics and this oblique incidence welds mode to the side of Contact welding junction b
The whole side that workpiece 300,400 is bordered is welded together, so as to avoid the problem that rosin joint and cause welding effect bad.
It should be noted that in other embodiments, two plastics parts 300,400 to be welded are by laser light
The transparent material of beam is made, and such laser beam, still can be with inclined incident two plastics part after the transmitting of reflecting element 200
300th, the Contact welding junction b of 400 boundarys, at this time, it is only necessary to which laser energy can be absorbed by being set at Contact welding junction b
Material layer or the material of the absorbable laser emission of coating, can both to absorb laser energy at the b of contact weld face and treat two
The plastics part 300,400 of welding is welded together.For example, in contact weld on two plastics parts 300,400 are at least one
The material of absorbable laser emission is coated at the b of face, therefore, when laser beam incides Contact welding junction b, Contact welding junction b
The material of coated absorbable laser emission can absorb laser energy, and then two plastics parts 300,400 weldings are existed
Together.It is of course also possible to set at Contact welding junction b between two plastics parts 300,400 opaque to laser beam
Material layer, and then when laser beam incides the material layer at Contact welding junction b, the material opaque to laser beam
Layer will absorb the emittance of laser and realize heating, and then two plastics parts 300,400 are welded together.
With reference to shown in Fig. 2, reflecting element 200 is formed tiltedly by the transparent plate of laser beam is made in the side of plate
Laser total reflection film is coated with section 200b, scarf 200b.It should be noted that reflecting element 200 is by the plate system of printing opacity
Into, such as PMMA plates；In this way, will not be absorbed after the incident reflecting element 200 of laser beam, and due to being formed at plate side
Scarf 200b on be coated with laser total reflection film, and then can will change the laser beam that incide on scarf 200b
Light path, specifically, by the laser beam after reflection it is inclined incide that two plastics parts 300,400 to be welded are bordered connect
Touch on welding surface b, to implement to weld.
Reflecting element 200 has first surface 200a opposing upper and lower and a second surface 200c, and scarf 200b is formed at the
Between one surface 200a and second surface 200c.When the laser beam plastics part 300,400 to be welded to two welds, the
Two surface 200c are pressed on plastics part 300,400 and are moved along the abutment joint between two plastics parts 300,400 to be welded.
And then reflecting element 200 is not only so that inclined incident two plastics part 300,400 of laser beam docks formed contact weld
Face b, further, it is also possible to when laser beam is in two plastics part 300,400 of welding, by the surface of two plastics parts 300,400
Flatten, so that two plastics parts 300,400 surface more smooths that weld together.
In the above embodiment, the laser beam laser total reflection film on incident scarf 200b vertically, by laser light
The Contact welding junction b that the docking of plastics part 300,400 to be welded of beam oblique incidence two is formed.It should be noted that this implementation
In mode, the angles of inclination of scarf 200b with respect to the horizontal plane α at an acute angle, and α is more than 45 °, so that laser beam erects
After the straight laser total reflection film incided on scarf 200b, the angle of emergent light and incident light is more than 90 °, that is to say, that warp
The second surface 200c that the laser beam after reflecting element 200 reflects is tilted towards reflecting element 200 is crossed to be emitted.In the present embodiment,
After the reflection of reflecting element 200, the focus point of laser beam is located at below the second surface 200c of reflecting element 200 laser beam
D1Place, that is to say, that laser beam can be emitted to Contact welding junction b from the second surface 200c of 200 bottom of reflecting element, with
Ensure that laser beam can be implemented to weld to two plastics parts 300,400.
With reference to shown in Fig. 3, since the laser beam in oblique incidence to Contact welding junction b is by the beveling of reflecting element 200
Laser total reflection film reflection on the 200b of face, therefore, the focus f of the laser beam before the change light path of reflecting element 2001And warp
Cross the focus f of the laser beam after the change light path of reflecting element 2002It is symmetrical as the plane of symmetry using plane where scarf 200b.
It is horizontal with respect to the scarf 200b of the reflecting element 200 in the case where the focal height of 100 relative reflection part 200 of laser is constant
To during translation (i.e. left and right directions in Fig. 3), i.e. the not reflected part 200 of laser beam reflects and makes focus f1Keep at a distance reflection
D below the second surface 200c of part 2002During place's translation, the focus f of the laser beam after reflecting element 200 changes light path2Meeting
Moved along an inclined track, that is to say, that do not change the scarf of the focal height of laser 100 and relative reflection part 200
During 200b transverse translations, between the second surface 200c of focus point and reflecting element 200 of the laser beam after the reflection of reflecting element 200
Distance d1Linearly change, therefore, can be laterally flat by the scarf 200b of 100 relative reflection part 200 of laser
Moving so that laser beam moves up and down in the Contact welding junction b that two plastics parts 300,400 to be welded are bordered, and then
Coordinate the laser beam of laser 100 to be moved along the abutment joint between two plastics parts 300,400 to be welded, realize to contact
Welding surface b full widths face laser welding, to improve the connective stability of two plastics parts 300,400.
It should be noted that in some embodiments, can be in the scarf of 100 relative reflection part 200 of laser
During 200b transverse translations, the focusing of laser 100 is adjusted so that Jiao of the laser beam after reflecting element 200 changes light path
Point f2It can be always positioned at when the second surface 200c of relative reflection part 200 is moved up and down on Contact welding junction b, and then ensure to swash
The energy of light light beam is more concentrated, and improves welding precision.For example, as illustrated in FIG. 1, two plastics parts 300,400 to be welded
Contact welding junction b in vertical edge-on state when, it is laterally flat with the scarf 200b of 100 relative reflection part 200 of laser
Move (i.e. left and right directions in Fig. 1) when, if do not focused to laser 100, laser beam by reflecting element 200 reflect after,
Will be as shown in figure 3, focus f2It can be moved along an inclined track.Correspondingly, when not moving the laser 100, Ke Yijing
Cross and laser 100 is adjusted so that laser beam focusing to Contact welding junction b, therefore, in 100 relative reflection of laser
The momentary status of each during the scarf 200b transverse translations of part 200, can be by adjusting the poly- of laser 100
Coke-like state so that laser beam focusing to Contact welding junction b.That is, in the beveling of 100 relative reflection part 200 of laser
During the 200b transverse translations of face, being can be by the Real-time Focusing to laser 100, the laser beam that will be reflected through reflecting element 200
Remain and focus on Contact welding junction b.
With continued reference to shown in Fig. 3, change the focus f of the laser beam before light path due to reflecting element 2001With by reflecting element
The focus f of laser beam after 200 change light paths2It is symmetrical as the plane of symmetry using plane where scarf 200b, therefore, not
When changing the optically focused focus of laser 100 and making the scarf 200b transverse translations of 100 relative reflection part 200 of laser, focus
f1Motion track and focus f2Motion track be also using plane where scarf 200b for the plane of symmetry symmetrically, also
It is to say, at the angles of inclination of scarf 200b with respect to the horizontal plane during α at an acute angle, focus f1Motion track institute is online and focus
f2Motion track it is online between angle be 2 times of α angles.In some embodiments, the plastics work to be welded to two respectively
The edge that part 300,400 is connected to each other is cut so that two plastics parts 300,400 to be welded be connected to each other place it is wedge shaped, and
The wedge-shaped apex angle ss is equal to 2 times of α, that is to say, that focus f2Motion track online with two plastics parts to be welded
300th, the 400 Contact welding junction b being bordered are parallel, and then reflecting element 200 and 100 level of laser are moved to certain position
When, it can cause focus f2Motion track be located on Contact welding junction b, i.e. the beveling of 100 relative reflection part 200 of laser
During the 200b transverse translations of face, the vertical focusing all the time of the laser beam after mirror reflection can be made without focusing to laser 100
To Contact welding junction b, with preferable laser welding effect.
In some embodiments, laser beam incidence plastics part is changed reflecting element 200 is moved into laser beam
300th, before 400, by laser beam focusing in thickness d=d of the bottom surface of plastics part 300,400, i.e. plastics part 300,4002。
And then efficiently the laser beam that laser 100 is launched can be focused to the laser light after reflecting element 200 reflects
Beam just focuses on Contact welding junction b, that is to say, that is moved into by reflecting element 200 in the light path of laser beam and in weld
When the bottom profile of abutment joint between two plastics parts 300,400 to be welded is located at the scarf 200b of reflecting element 200, swash
Light light beam focuses on upper Contact welding junction b after the reflection of reflecting element 200.
It should be noted that laser beam along the abutment joint between two plastics parts 300,400 to be welded move into
During row welding, reflecting element 200 is moved with laser beam along the abutment joint between two plastics parts 300,400 to be welded, and profit
With the calibration beam incidence plastics part 300,400 for being close to scarf 200b and remain that calibration beam is to be welded by two
The bottom profile of abutment joint between plastics part 300,400, to ensure the plastics part 300,400 of laser beam slanted transmission
The angular bisector of upper wedge shaped apex angle ss is located at the scarf 200b of reflecting element 200 so that swashs by what reflecting element 200 reflected
Light light beam is remained focused on during being moved along abutment joint on Contact welding junction b, to two plastics parts 300,400 boundarys
Contact welding junction b carries out accurate welding.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of method for laser welding for being used to dock plastics part, it is characterised in that dock two plastics parts to be welded
Contact welding junction is formed, will by reflecting element by laser beam by a wherein plastics part slanted transmission to the Contact welding junction
Laser beam is moved along the abutment joint between two plastics parts to be welded so that plastics part absorbs at Contact welding junction to swash
Start to melt after light energy, and after being overpressurized cooling, two plastics parts are connected as a single entity.
2. method for laser welding according to claim 1 a, it is characterised in that wherein plastics part is by saturating to laser beam
Bright material is made, and another plastics part is made of the material of absorption laser beam.
3. method for laser welding according to claim 1, it is characterised in that two plastics parts to be welded are by laser
The material of beam transparent is made, and an at least plastics part coats the material of absorbable laser emission at Contact welding junction, or
Person, sets the material layer opaque to laser beam between two plastics parts.
4. method for laser welding according to claim 1, it is characterised in that the reflecting element is by transparent to laser beam
Plate is made, and forms scarf in the side of the plate, and laser total reflection film is coated with the scarf.
5. method for laser welding according to claim 4, it is characterised in that the reflecting element has opposing upper and lower first
Surface and second surface, the scarf are formed between the first surface and the second surface, and laser beam is treated to two
When the plastics part of welding is welded, second surface is pressed on plastics part and along pair between two plastics parts to be welded
Seam moves.
6. method for laser welding according to claim 5, it is characterised in that the vertical incident beveling of the laser beam
Laser total reflection film on face, the contact weld to be formed is docked by the plastics part to be welded of laser beam oblique incidence two
Face.
7. method for laser welding according to claim 6, it is characterised in that the inclination of the scarf with respect to the horizontal plane
Angle α at an acute angle, and α is more than 45 °.
8. method for laser welding according to claim 7, it is characterised in that the plastics part to be welded to two is opposite respectively
The edge connect is cut so that two plastics parts to be welded be connected to each other place it is wedge shaped, and the wedge-shaped apex angle ss be equal to 2 times
α.
9. method for laser welding according to claim 8, it is characterised in that changed by reflecting element immigration laser beam
Before becoming laser beam incidence plastics part, by laser beam focusing in the bottom surface of plastics part.
10. method for laser welding according to claim 9, it is characterised in that in laser beam along two plastics to be welded
Abutment joint movement between workpiece is when being welded, and reflecting element is with laser beam along the docking between two plastics parts to be welded
Seam movement, and using the calibration beam incidence plastics part for being close to the scarf and remain that calibration beam is to be welded by two
The bottom profile of abutment joint between the plastics part connect, it is wedge shaped on the plastics part of laser beam slanted transmission to ensure
The angular bisector of apex angle ss is located at the scarf of reflecting element so that what the laser beam reflected by reflecting element was moved along abutment joint
During remain focused in the Contact welding junction.
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| CN201711331379.4A CN108032526B (en) | 2017-12-13 | 2017-12-13 | Laser welding method for butt-jointed plastic workpieces |
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| CN201711331379.4A CN108032526B (en) | 2017-12-13 | 2017-12-13 | Laser welding method for butt-jointed plastic workpieces |
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| CN108032526B CN108032526B (en) | 2020-09-04 |
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| CN109353012A (en) * | 2018-10-30 | 2019-02-19 | 大族激光科技产业集团股份有限公司 | The method and plastic products of plastic welding laser |
| CN110625950A (en) * | 2019-10-25 | 2019-12-31 | 苏州卡利肯新光讯科技有限公司 | Laser welding method for butt-joint plastic workpiece |
| CN114571080A (en) * | 2022-04-14 | 2022-06-03 | 常州世竟液态金属有限公司 | Oblique angle double-sided laser welding method for bulk amorphous alloy and plate |
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| CN109353012A (en) * | 2018-10-30 | 2019-02-19 | 大族激光科技产业集团股份有限公司 | The method and plastic products of plastic welding laser |
| CN109353012B (en) * | 2018-10-30 | 2021-03-30 | 大族激光科技产业集团股份有限公司 | Method for laser welding plastic and plastic product |
| CN110625950A (en) * | 2019-10-25 | 2019-12-31 | 苏州卡利肯新光讯科技有限公司 | Laser welding method for butt-joint plastic workpiece |
| CN114571080A (en) * | 2022-04-14 | 2022-06-03 | 常州世竟液态金属有限公司 | Oblique angle double-sided laser welding method for bulk amorphous alloy and plate |
| CN114571080B (en) * | 2022-04-14 | 2024-03-22 | 常州世竟液态金属有限公司 | Oblique angle double-sided laser welding method for bulk amorphous alloy and plate |
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