CN106938384A - Thickness is less than the welding method of 0.3mm stainless steel plate - Google Patents
Thickness is less than the welding method of 0.3mm stainless steel plate Download PDFInfo
- Publication number
- CN106938384A CN106938384A CN201611268164.8A CN201611268164A CN106938384A CN 106938384 A CN106938384 A CN 106938384A CN 201611268164 A CN201611268164 A CN 201611268164A CN 106938384 A CN106938384 A CN 106938384A
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- China
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- sheet material
- stainless steel
- laser
- material conveying
- conveying roller
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/20—Bonding
- B23K26/21—Bonding by welding
- B23K26/24—Seam welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/60—Preliminary treatment
Abstract
A kind of thickness is less than the welding method of 0.3mm stainless steel plate, comprises the following steps：Stainless steel materials are cut on request, are made otch smooth, are removed flash removed；Two parts sheet material to be welded is respectively mounted and is fixed on fixture, the weld bond of two sheet materials to be welded is alignd；Using YAG pulsed laser welders, keep laser beam to be radiated at the corresponding weld bond position of two sheet materials, energy is exported by trapezoidal pulse；Keep the frequency and pulsewidth of sheet material translational speed and laser pulse to match, adjacent welds is mutually overlapped.The thin stainless steel plate of the small wide cut of stack pile can be combined by the present invention by laser welding, no solder skip, it is seamless, without hole, without trickling, heat affected area is without burn；Solder joint is continuous, solder joint scrap (bridge), it is overlapping be not less than 0.5 spot size, it is closely sealed, without hole；Weld strength is higher than strength of parent, with good yield strength, tensile break strength.
Description
Technical field
The present invention relates to the technical field of stainless steel plate welding, specifically a kind of thickness is less than 0.3mm stainless steel plate
Welding method.
Background technology
Thin stainless steel plate is widely used in saw blade, mud plate, putty knife, motor, band saw, hardware stamping part, spring shim/pad
Circle, stainless steel cladding pad, U-shaped spring leaf, clearance gauge, all kinds of springs, etc. various industries.
Because the calenderability of stainless steel itself is poor, cause stainless steel materials it is thin to a certain extent after, its thickness with
Wide cut can not be taken into account simultaneously, and the wide cut of stainless steel plate sheet material reduces with the reduction of its thickness, when the thickness of stainless steel plate exists
Between 0.1mm-0.3mm, stainless steel materials maximum wide cut is also no more than 1m.Thus many industries transfer to use other
The preferable metal material of calenderability, the missing of the big broad width stainless steel plate material of low thickness directly limit the product development of relevant industries
And specific diversity, also improve the production cost of Related product.And can not then to complete thickness small for traditional laser welding technology
In 0.3mm stainless steel plate non-destructive weld, the tensile strength after welding can not be guaranteed.In addition, using stainless steel materials as original
Substantial amounts of stainless steel plate offal can be produced in the production of material, and these offals are usually as waste disposal, no longer with life
Production value, causes the wastage of material of part.
The content of the invention
It is less than the welding method of 0.3mm stainless steel plate the technical problem to be solved in the present invention is to provide a kind of thickness.
The present invention is adopted the technical scheme that to solve technical problem present in known technology:
The thickness of the present invention is less than the welding method of 0.3mm stainless steel plate, comprises the following steps：
A, material are cut out, and stainless steel materials are cut on request, are made otch smooth, are removed flash removed；
B, two parts sheet material to be welded is respectively mounted and is fixed on fixture, the weld bond of two sheet materials to be welded alignd, weld bond gap is not
More than 1/5th of sheet metal thickness；
C, using YAG pulsed laser welders, and using inert gas as welding when protective gas, ensure weld part during welding
The air of position is excluded, and makes laser weld pools under protection air tube of bamboo in granary cover；Laser beam is kept to be radiated at the correspondence weldering of two sheet materials
Mouth position, the power of laser beam is the spot diameter 0.3-0.5mm on 50-60W, energy 2J, positive out of focus amount 1mm, workpiece, frequency
Not less than 50HZ, pulsewidth 3-5ms, laser-beam welding machine exports energy by trapezoidal pulse；
D, holding sheet material translational speed and laser pulse frequency and pulsewidth match, and adjacent welds is mutually overlapped.
The present invention can also use following technical measures：
Two described sheet materials are set in the irradiation position of laser beam in " V " type, and the angle between two sheet materials is obtuse angle.
The fixture of described fixed plate includes the first plate material roller, the first sheet material conveying roller, the second plate material roller, second
Sheet material conveying roller and material receiving roller.
The axle center of first sheet material conveying roller and the axle center of the second sheet material conveying roller are arranged on perpendicular with sheet material direction of advance
Same plane in, it is V-shaped between two axle center to set, and between two axle center in obtuse angle；The welding job of laser-beam welding machine
Position corresponds to the centre position between the first sheet material conveying roller and the second sheet material conveying roller.
It is in -15 °~-5 ° between the axle center of first sheet material conveying roller and horizontal plane, the axle center of the second sheet material conveying roller and water
It is in 5 °~15 ° between plane.
The outer end edges of the relative separation of first sheet material conveying roller and the second sheet material conveying roller set spacing preiection respectively, together
When the first sheet material conveying roller and the second sheet material conveying roller close to inner top position the first contact roller and are set respectively
Two contact rollers, make two blocks of sheet materials to be welded be close to two sheet material conveying rollers respectively.
The present invention has the advantages and positive effects of:
The thickness of the present invention is less than in the welding method of 0.3mm stainless steel plate, by the thin stainless steel plate of the small wide cut of stack pile
Be combined by pulsed laser welding, no solder skip, it is seamless, without hole, without trickling, heat affected area is without burn；Weld strength is high
In strength of parent, with good yield strength and stretch-proof fracture strength.The stainless steel plate formed after solder bond can be made
Used for one piece of wide plate, overcome limitation of the breadth to production of thin stainless steel materials, opened up the application of relevant industries
Prospect.In addition, the offal of stainless steel materials can be also welded as into available sheet material again by the present invention, reduce in production
Wastage of material, reduce production cost.
Brief description of the drawings
Fig. 1 is that the thickness of the present invention is less than the schematic diagram of fixture employed in the welding method of 0.3mm stainless steel plate；
Fig. 2 is that the thickness of the present invention is less than the schematic diagram of welding job position in the welding method of 0.3mm stainless steel plate；
The thickness that Fig. 3 is the present invention is less than trapezoidal pulse schematic diagram in the welding method first embodiment of 0.3mm stainless steel plate；
The thickness that Fig. 4 is the present invention is less than trapezoidal pulse schematic diagram in the welding method second embodiment of 0.3mm stainless steel plate；
The thickness that Fig. 5 is the present invention is less than trapezoidal pulse schematic diagram in the welding method 3rd embodiment of 0.3mm stainless steel plate.
Embodiment
Technical scheme is described in detail below by way of specific embodiment.
The thickness of the present invention is less than the welding method of 0.3mm stainless steel plate, comprises the following steps：
A, material are cut out, and stainless steel materials are cut on request, are made otch smooth, are removed flash removed；
B, two parts sheet material to be welded is respectively mounted and is fixed on fixture, the weld bond of two sheet materials to be welded alignd, weld bond gap is not
More than 1/5th of sheet metal thickness；
C, using YAG pulsed laser welders, and with inert gas, such as helium, argon gas, nitrogen, be used as protection during welding
Gas, ensures that the air of welding position is excluded during welding, make laser weld pools under protection air tube of bamboo in granary cover；Keep laser beam
The corresponding weld bond position of two sheet materials is radiated at, the power of laser beam is the light on 50-60W, energy 2J, positive out of focus amount 1mm, workpiece
Spot diameter 0.3-0.5mm, frequency is not less than 50HZ, and pulsewidth 3-5ms, laser-beam welding machine exports energy by trapezoidal pulse；
D, holding sheet material translational speed and laser pulse frequency and pulsewidth match, and adjacent welds is mutually overlapped.
Embodiment one：Sheet material to be welded is 304 stainless steel plates that thickness is 0.3mm, is comprised the following steps during welding：
A, material are cut out, and stainless steel materials are cut on request, are made otch smooth, are removed flash removed；
B, two parts sheet material to be welded is respectively mounted and is fixed on fixture, the weld bond of two sheet materials to be welded alignd, weld bond gap is
0.06mm；
C, using YAG pulsed laser welders, and using inert gas as welding when protective gas, ensure weld part during welding
The air of position is excluded, and makes laser weld pools under protection air tube of bamboo in granary cover；Laser beam is kept to be radiated at the correspondence weldering of two sheet materials
Mouth position, the power of laser beam is the spot diameter 0.3mm on 50W, energy 2J, positive out of focus amount 1mm, workpiece, and frequency is 50HZ,
Pulsewidth 3ms, the trapezoidal pulse output energy of laser-beam welding machine as shown in Figure 3, between 0~0.5ms for laser export it is linear on
Exported between the stage of liter, 0.5~2.5ms for the laser of 100% power, the linear decline stage exported between 2.5~3ms for laser,
Laser stops output to 3ms；
D, holding sheet material translational speed and laser pulse frequency and pulsewidth match, and adjacent welds is mutually overlapped, so as to ensure
Solder joint is mutually continuous, improves the bond strength of bond pad locations.
The binding site of two piece of 304 stainless steel materials without solder skip, it is seamless, without hole, without trickling, heat affected area is without burning
Wound；Amplified by microscope and welding bead is observed under 20 times, solder joint is continuous, solder joint scrap (bridge), overlapping to be not less than 0.5 solder joint straight
It is footpath, closely sealed without hole.
Embodiment two：Sheet material to be welded is 301 stainless steel plates that thickness is 0.2mm, is comprised the following steps during welding：
A, material are cut out, and stainless steel materials are cut on request, are made otch smooth, are removed flash removed；
B, two parts sheet material to be welded is respectively mounted and is fixed on fixture, the weld bond of two sheet materials to be welded alignd, weld bond gap is
0.03mm；
C, using YAG pulsed laser welders, and using inert gas as welding when protective gas, ensure weld part during welding
The air of position is excluded, and makes laser weld pools under protection air tube of bamboo in granary cover；Laser beam is kept to be radiated at the correspondence weldering of two sheet materials
Mouth position, the power of laser beam is the spot diameter 0.5mm on 60W, energy 2J, positive out of focus amount 1mm, workpiece, and frequency is 55HZ,
The linear rise exported between pulsewidth 5ms, the trapezoidal pulse output energy of laser-beam welding machine as shown in Figure 4,0~1ms for laser
Exported between stage, 1~4ms for the laser of 100% power, the linear decline stage exported between 4~5ms for laser, to 5ms
Laser stops output；
D, holding sheet material translational speed and laser pulse frequency and pulsewidth match, and adjacent welds is mutually overlapped.
The binding site of two piece of 301 stainless steel materials without solder skip, it is seamless, without hole, without trickling, heat affected area is without burning
Wound；Amplified by microscope and welding bead is observed under 20 times, solder joint is continuous, solder joint scrap (bridge), overlapping to be not less than 0.5 solder joint straight
It is footpath, closely sealed without hole.
Embodiment three：Sheet material to be welded is 316 stainless steel plates that thickness is 0.1mm, is comprised the following steps during welding：
A, material are cut out, and stainless steel materials are cut on request, are made otch smooth, are removed flash removed；
B, two parts sheet material to be welded is respectively mounted and is fixed on fixture, the weld bond of two sheet materials to be welded alignd, weld bond gap is
0.015mm；
C, using YAG pulsed laser welders, and using inert gas as welding when protective gas, ensure weld part during welding
The air of position is excluded, and makes laser weld pools under protection air tube of bamboo in granary cover；Laser beam is kept to be radiated at the correspondence weldering of two sheet materials
Mouth position, the power of laser beam is the spot diameter 0.4mm on 55W, energy 2J, positive out of focus amount 1mm, workpiece, and frequency is 55HZ,
Pulsewidth 4ms, the trapezoidal pulse output energy of laser-beam welding machine as shown in Figure 5, between 0~0.5ms for laser export it is linear on
Exported between the stage of liter, 0.5~3.5ms for the laser of 100% power, the linear decline stage exported between 3.5~4ms for laser,
Laser stops output to 4ms；；
D, holding sheet material translational speed and laser pulse frequency and pulsewidth match, and adjacent welds is mutually overlapped.
The binding site of two piece of 316 stainless steel materials without solder skip, it is seamless, without hole, without trickling, heat affected area is without burning
Wound；Amplified by microscope and welding bead is observed under 20 times, solder joint is continuous, solder joint scrap (bridge), overlapping to be not less than 0.5 solder joint straight
It is footpath, closely sealed without hole.
Two sheet materials are set in the irradiation position of laser beam in " V " type in welding process, and the angle between two sheet materials is
Obtuse angle, consequently facilitating the welding seam distance between two stainless steel materials is kept.
As depicted in figs. 1 and 2, the fixture of fixed plate includes the first plate material roller 1, the first sheet material conveying roller 2, the second plate
Material roller 3, the second sheet material conveying roller 4 and material receiving roller 5, so as to realize that feed, feeding, welding and rewinding are same in laser beam welding
Shi Jinhang, it is ensured that the continuity of sheet material welding job, improves production efficiency.
The axle center of first sheet material conveying roller 2 and the axle center of the second sheet material conveying roller 4 are arranged on mutually hangs down with the direction of advance of sheet material 6
It is V-shaped between two axle center to set in straight same plane, and between two axle center in obtuse angle；The Welder of laser-beam welding machine
It is that laser head 7 corresponds to the centre position between the first sheet material conveying roller and the second sheet material conveying roller as position.
It is in -15 °~-5 ° between the axle center of first sheet material conveying roller and horizontal plane, the axle center of the second sheet material conveying roller and water
It is in 5 °~15 ° between plane, the first sheet material conveying roller and the second sheet material conveying roller angled sum of institute between horizontal plane respectively
It is zero.
The outer end edges of the relative separation of first sheet material conveying roller and the second sheet material conveying roller set spacing preiection 8 respectively,
Simultaneously the first sheet material conveying roller and the second sheet material conveying roller close to inner top position the He of the first contact roller 9 is set respectively
Second contact roller 10, makes two blocks of sheet materials to be welded be close to two sheet material conveying rollers respectively, thus ensure in welding process two plates it
Between will not be subjected to displacement.
The above, is only presently preferred embodiments of the present invention, not makees any formal limitation to the present invention, though
So the present invention is disclosed as above with preferred embodiment, however, the present invention is not limited to, it is any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, can make a little change or modification a using the technology contents disclosed certainly,
Equivalent embodiments as equivalent variations, as long as being the content without departing from technical solution of the present invention, the technology according to the present invention is real
Any simple modification, equivalent variations and modification that confrontation above example is made, are belonged in the range of technical solution of the present invention.
Claims (6)
1. a kind of thickness is less than the welding method of 0.3mm stainless steel plate, it is characterised in that comprise the following steps：
A, material are cut out, and stainless steel materials are cut on request, are made otch smooth, are removed flash removed；
B, two parts sheet material to be welded is respectively mounted and is fixed on fixture, the weld bond of two sheet materials to be welded alignd, weld bond gap is not
More than 1/5th of sheet metal thickness；
C, using YAG pulsed laser welders, and using inert gas as welding when protective gas, ensure weld part during welding
The air of position is excluded, and makes laser weld pools under protection air tube of bamboo in granary cover；Laser beam is kept to be radiated at the correspondence weldering of two sheet materials
Mouth position, the power of laser beam is the spot diameter 0.3-0.5mm on 50-60W, energy 2J, positive out of focus amount 1mm, workpiece, frequency
Not less than 50HZ, pulsewidth 3-5ms, laser-beam welding machine exports energy by trapezoidal pulse；
D, holding sheet material translational speed and laser pulse frequency and pulsewidth match, and adjacent welds is mutually overlapped.
2. thickness according to claim 1 is less than the welding method of 0.3mm stainless steel plate, it is characterised in that：Two sheet materials
Set in the irradiation position of laser beam in " V " type, and the angle between two sheet materials is obtuse angle.
3. thickness according to claim 1 or 2 is less than the welding method of 0.3mm stainless steel plate, it is characterised in that：It is fixed
The fixture of sheet material includes the first plate material roller, the first sheet material conveying roller, the second plate material roller, the second sheet material conveying roller and rewinding
Roller.
4. thickness according to claim 3 is less than the welding method of 0.3mm stainless steel plate, it is characterised in that：First plate
The axle center of material conveying roller and the axle center of the second sheet material conveying roller are arranged in the same plane perpendicular with sheet material direction of advance, and two
It is V-shaped between axle center to set, and between two axle center in obtuse angle；The welding job position of laser-beam welding machine corresponds to the first plate
Centre position between material conveying roller and the second sheet material conveying roller.
5. thickness according to claim 3 is less than the welding method of 0.3mm stainless steel plate, it is characterised in that：First plate
Between the axle center of material conveying roller and horizontal plane be in -15 °~-5 °, between the axle center of the second sheet material conveying roller and horizontal plane in 5 °~
15°。
6. thickness according to claim 5 is less than the welding method of 0.3mm stainless steel plate, it is characterised in that：First plate
The outer end edges of the relative separation of material conveying roller and the second sheet material conveying roller set spacing preiection respectively, while the first sheet material is conveyed
Roller and the second sheet material conveying roller close to inner top position the first contact roller and the second contact roller are set respectively, make two pieces
Sheet material to be welded is close to two sheet material conveying rollers respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268164.8A CN106938384B (en) | 2016-12-31 | 2016-12-31 | Welding method of stainless steel plate with thickness less than 0.3mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611268164.8A CN106938384B (en) | 2016-12-31 | 2016-12-31 | Welding method of stainless steel plate with thickness less than 0.3mm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106938384A true CN106938384A (en) | 2017-07-11 |
| CN106938384B CN106938384B (en) | 2020-07-14 |
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ID=59468894
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611268164.8A Active CN106938384B (en) | 2016-12-31 | 2016-12-31 | Welding method of stainless steel plate with thickness less than 0.3mm |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107378248A (en) * | 2017-09-11 | 2017-11-24 | 西安交通大学 | The pulse laser welding method of molybdenum and molybdenum alloy banjo fixing butt jointing based on waveform modulated |
| CN107914092A (en) * | 2017-12-04 | 2018-04-17 | 上海思客琦自动化工程有限公司 | A kind of welding procedure of oil heater heat sink stainless steel |
| CN108274121A (en) * | 2017-12-26 | 2018-07-13 | 大族激光科技产业集团股份有限公司 | Dual-beam laser welding machine and its welding method |
| CN109048052A (en) * | 2018-08-09 | 2018-12-21 | 江苏大学 | A kind of scan method inhibiting the deformation of laser welding thin plate bending |
| CN110539076A (en) * | 2019-09-19 | 2019-12-06 | 天津玛斯特车身装备技术有限公司 | protective gas for laser welding and laser welding method using same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107378248A (en) * | 2017-09-11 | 2017-11-24 | 西安交通大学 | The pulse laser welding method of molybdenum and molybdenum alloy banjo fixing butt jointing based on waveform modulated |
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| CN107914092A (en) * | 2017-12-04 | 2018-04-17 | 上海思客琦自动化工程有限公司 | A kind of welding procedure of oil heater heat sink stainless steel |
| CN108274121A (en) * | 2017-12-26 | 2018-07-13 | 大族激光科技产业集团股份有限公司 | Dual-beam laser welding machine and its welding method |
| CN108274121B (en) * | 2017-12-26 | 2020-03-31 | 大族激光科技产业集团股份有限公司 | Double-beam laser welding machine and welding method thereof |
| CN109048052A (en) * | 2018-08-09 | 2018-12-21 | 江苏大学 | A kind of scan method inhibiting the deformation of laser welding thin plate bending |
| CN110539076A (en) * | 2019-09-19 | 2019-12-06 | 天津玛斯特车身装备技术有限公司 | protective gas for laser welding and laser welding method using same |
| CN110539076B (en) * | 2019-09-19 | 2022-03-22 | 玛斯特轻量化科技(天津)有限公司 | Protective gas for laser welding and laser welding method using same |
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| Publication number | Publication date |
|---|---|
| CN106938384B (en) | 2020-07-14 |
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