CN108425082A - A kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability - Google Patents
A kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability Download PDFInfo
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- CN108425082A CN108425082A CN201810341028.XA CN201810341028A CN108425082A CN 108425082 A CN108425082 A CN 108425082A CN 201810341028 A CN201810341028 A CN 201810341028A CN 108425082 A CN108425082 A CN 108425082A
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- laser
- alloy plate
- aluminium alloy
- heat treatment
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Classifications
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/06—Surface hardening
- C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
Abstract
A kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability, carries out according to the following steps：(1) laser beam is emitted by laser, forms the path-splitting one and path-splitting two of identical energy through spectroscope；(2) path-splitting one and path-splitting two are respectively transmitted to first laser head and second laser head, after the focussing force of laser head cohesion focus lens, focus on the two sides of aluminium alloy plate respectively, and Double-side Synchronous local laser heat treatment is carried out to aluminium alloy plate；(3) control aluminium alloy plate does relative motion with two laser heads, enables aluminum alloy to each section being heat-treated on plate and completes the heat treatment of Double-side Synchronous local laser.The method of the present invention can effectively reduce deformation and its internal stress of the aluminium alloy plate when local laser is heat-treated, and stable, reliable, consistency is good local laser heat-treatable aluminum alloy plate is provided for follow-up aluminium alloy plate shaping process.
Description
Technical field
The invention belongs to aluminium alloy plate molding field, a kind of specifically Double-side Synchronous improving aluminium alloy plate formability
Local laser heat treatment method.
Background technology
Aluminium alloy plate is a kind of industrial building materials, and industry-by-industry is used for according to the difference of material；Two typical application fields
It is aircraft and automotive field；Hyundai Motor is just towards lightweight, high speed, safety and comfort, low cost, low emission and energy-efficient direction
Development, and aluminium alloy is based on that density is small, specific strength is high, corrosion resistance is good, it is repeatable recycle, energy saving and environmentally friendly etc. itself is excellent
Point, is increasingly paid attention in the automotive industry；Aluminum alloy plate materials are on automobile mainly for the manufacture of vehicle body covers such as car door, luggage cases
Plate, bumper, hood, wheel external decorative casing, the protective cover of brake assembly, sound proof housing, heat exchanger, framework of body, seat,
The decorations such as the structural members such as carriage bottom plate and instrument board.
For the above-mentioned typical field of application of aluminium alloy plate and other application field, deep-draw or geometric shape Complex Aluminum Alloy
Sheet metal component, current main forming technology are by blank heating to being less than after recrystallization temperature stamping (warm working) or by base
Material is heated to above after recrystallization temperature stamping (hot forming), can lead to the asynchronous influence production in plank two sides to a certain extent
Quality.
Invention content
The purpose of the present invention is to provide a kind of Double-side Synchronous local laser heat treatment sides for improving aluminium alloy plate formability
Method enables aluminum alloy to plank in local laser by being heat-treated using Double-side Synchronous local laser to aluminum alloy plate materials target area
When heat treatment, target area is two-sided while synchronizing and is uniformly heated to set temperature.
The method of the present invention carries out according to the following steps：
1, laser beam is emitted by laser, which forms the synchronization laser point of two beam identical energies by spectroscope
Light path, i.e. path-splitting one and path-splitting two；
2, path-splitting one and path-splitting two are respectively transmitted to first laser head and second laser head, by laser head inner focusing
After the focussing force of lens, the two sides of aluminium alloy plate is focused on respectively, and aluminium alloy plate is carried out at Double-side Synchronous local laser heat
Reason；Wherein the axis of first laser head and second laser head overlaps, and the position of two focusing is located at the symmetrical of aluminium alloy plate two sides
Position；
3, it while carrying out the heat treatment of Double-side Synchronous local laser, controls aluminium alloy plate and two laser heads does opposite fortune
Dynamic, in the case where keeping the axis of two laser heads to overlap, each section for enabling aluminum alloy to be heat-treated on plate is complete
It is heat-treated at Double-side Synchronous local laser.
In the above method, axis and the aluminium alloy plate of two laser heads are vertically arranged.
In the above method, on the mobile device by aluminium alloy plate setting, aluminium alloy plate movement is controlled by mobile device, is made
Aluminium alloy plate and two laser heads form relative motion；Or it on the mobile device by two laser head settings, is filled by mobile
Control laser head movement is set, and then two laser heads is made to form relative motion with aluminium alloy plate.
Above-mentioned laser selects carbon dioxide laser or optical fiber laser；When using carbon dioxide laser, point
Light path two is transferred to laser head by speculum；When using optical fiber laser, path-splitting two is transferred to laser head by optical fiber.
Advantages of the present invention and advantageous effect are：Using Double-side Synchronous local laser heat treatment method to aluminium alloy plate part
It is modified, plate is enabled aluminum alloy to when local laser is heat-treated, it is two-sided while synchronizing and be uniformly heated to set temperature；Plate is enabled aluminum alloy to exist
It is two-sided while synchronizing and be uniformly heated to set temperature when local laser is heat-treated, aluminium alloy plate is effectively reduced in local laser heat
Deformation when processing and its internal stress provide stable, reliable, consistency is good laser for follow-up aluminium alloy plate shaping process
Local heat treatmet aluminium alloy plate；The production easy to automate of aluminium alloy plate Double-side Synchronous local laser heat treatment process.
Description of the drawings
Fig. 1 is the Double-side Synchronous local laser annealing device structural schematic diagram in the embodiment of the present invention 1；
Fig. 2 is the Double-side Synchronous local laser annealing device structural schematic diagram in the embodiment of the present invention 2；
In figure, 1, carbon dioxide laser, 2, main optical path, 3, spectroscope, 4, path-splitting one, 5, mobile device, 6, second
Laser head, the 7, the 4th speculum；8, third speculum, 9, aluminium alloy plate, 10, first laser head, 11, path-splitting two, 12, second
Speculum, the 13, first speculum, 14, robot, 15, optical fiber laser.
Specific implementation mode
The artificial 6 axis robot (STAUBLI) of RX160 types of machine used in the embodiment of the present invention.
The optical fiber laser used in the embodiment of the present invention is YLS-2000 types optical fiber laser (IPG).
Carbon dioxide laser is used in the embodiment of the present invention.
The spectroscope used in the embodiment of the present invention is BS-0139 type semi-reflectives plane beam splitter (Japanese MIYACHI).
Aluminium alloy plate in the embodiment of the present invention selects 5A06 type cold rolling sketch plates, is commercial products.
When aluminium alloy plate is through Double-side Synchronous local heat treatmet in the embodiment of the present invention 2, control aluminium alloy plate connects with path-splitting
The temperature of contact selects 500 ± 15 DEG C.
In the embodiment of the present invention, the switch control of laser output laser beam and the motion control of two dimensional motion driving platform are equal
By industrial personal computer integrated control.
In the following, by specific embodiment, the present invention is described in more detail.
Embodiment 1：
The Double-side Synchronous local laser annealing device structure of aluminium alloy plate formability is improved as shown in Figure 1, carbon dioxide
Laser 1 is matched with the first speculum 13, and the first speculum 13 is matched with spectroscope 3, and 3 both sides of spectroscope are respectively with
One laser head 10 and the second speculum 12 are opposite, and the second speculum 12, third speculum 8 and the 4th speculum 7 match successively,
4th speculum 7 is opposite with second laser head 6；First laser head 10 and 6 axis of second laser head are opposite and are located at aluminium conjunction
The both sides of golden plate 9；Aluminium alloy plate 9 is securely fitted in mobile device 5；
Method is：
Emit the main optical path 2 of laser beam by carbon dioxide laser, the main optical path 2 of the laser beam is formed by spectroscope
The synchronization laser path-splitting of two beam identical energies, i.e. path-splitting 1 and path-splitting 2 11；
Path-splitting one is transferred to first laser head, and it is anti-that path-splitting two passes through the first speculum, the second speculum, third successively
It penetrates mirror and the 4th speculum is transferred to second laser head, two path-splittings pass through the focusing of two laser head cohesion focus lens respectively
After effect, the two sides of aluminium alloy plate is focused on respectively, and Double-side Synchronous local laser heat treatment is carried out to aluminium alloy plate；Two focusing
Position be located at the symmetric position on aluminium alloy plate two sides；
While carrying out the heat treatment of Double-side Synchronous local laser, aluminium alloy plate and two laser heads are controlled by mobile device
It does relative motion, enables aluminum alloy to each section being heat-treated on plate and complete the heat treatment of Double-side Synchronous local laser；
Aluminium alloy plate flexural deformation angle after heat treatment is less than 3 °, and when traditional single side local laser heat treatment, it is curved
Bent deformation angle is more than 10 °.
Embodiment 2
The Double-side Synchronous local laser annealing device structure of aluminium alloy plate formability is improved as shown in Fig. 2, optical-fiber laser
Device 15 is assembled together by optical fiber and spectroscope 3, and spectroscope 3 passes through two optical fiber and first laser head 10 and second respectively
Laser head 6 is assembled together；First laser head 10 and 6 axis of second laser head are opposite and are located at the two of aluminium alloy plate 9
Side；Aluminium alloy plate 9 is securely fitted in robot 14；
Method is：
Emit the main optical path 2 of laser beam by optical fiber laser, the main optical path 2 of the laser beam forms two beams by spectroscope
The synchronization laser path-splitting of identical energy, i.e. path-splitting 1 and path-splitting 2 11；
Path-splitting one is transmitted through the optical fiber to first laser head, and path-splitting two is transmitted through the optical fiber to second laser head, two points
Light path after the focussing force of two laser head cohesion focus lens, focuses on the two sides of aluminium alloy plate respectively respectively, is closed to aluminium
Golden plate carries out Double-side Synchronous local laser heat treatment；The position of two focusing is located at the symmetric position on aluminium alloy plate two sides；
While carrying out the heat treatment of Double-side Synchronous local laser, aluminium alloy plate is controlled by robot and is done with two laser heads
Relative motion enables aluminum alloy to each section being heat-treated on plate and completes the heat treatment of Double-side Synchronous local laser；
Aluminium alloy plate flexural deformation angle after heat treatment is less than 3 °.
Embodiment 3
Device is the same as embodiment 2；
Method is with embodiment 2, and wherein the thickness of aluminium alloy plate is 1mm, laser power 2KW, after laser head focuses, bear from
Coke amount is 10mm, and the spot diameter being applied on aluminium alloy plate is 3mm, and the movement speed of robot control aluminium alloy plate is
15mm/s, sweep span 4mm；
Aluminium alloy plate flexural deformation angle after heat treatment is less than 3 °.
Above example, only specific 3 embodiments of the invention；In addition to this, the metallic sheet material of different materials, no
With laser type and its power, different light paths transmission mode, different motion drive system, different relative motion modes, exist
Within protection domain.
Claims (4)
1. a kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability, it is characterised in that according to the following steps
It carries out：
(1) laser beam is emitted by laser, the synchronization laser which forms two beam identical energies by spectroscope is divided
Road, i.e. path-splitting one and path-splitting two；
(2) path-splitting one and path-splitting two are respectively transmitted to first laser head and second laser head, saturating by laser head inner focusing
After the focussing force of mirror, the two sides of aluminium alloy plate is focused on respectively, and Double-side Synchronous local laser heat treatment is carried out to aluminium alloy plate；
Wherein the axis of first laser head and second laser head overlaps, and the position of two focusing is located at the symmetrical position on aluminium alloy plate two sides
It sets；
(3) while carrying out the heat treatment of Double-side Synchronous local laser, control aluminium alloy plate does relative motion with two laser heads,
In the case of keeping the axis of two laser heads to overlap, enable aluminum alloy to each section being heat-treated on plate complete it is two-sided
Synchronous local laser heat treatment.
2. a kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability according to claim 1,
It is characterized in that the axis of two laser heads is vertically arranged with aluminium alloy plate.
3. a kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability according to claim 1,
It is characterized in that on the mobile device by the aluminium alloy plate setting, controlling aluminium alloy plate movement by mobile device, making aluminium
Sheet alloy and two laser heads form relative motion；Or it on the mobile device by two laser head settings, is filled by mobile
Control laser head movement is set, and then two laser heads is made to form relative motion with aluminum alloy plate materials.
4. a kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability according to claim 1,
It is characterized in that the laser selects carbon dioxide laser or optical fiber laser；When using carbon dioxide laser,
Path-splitting two is transferred to laser head by speculum；When using optical fiber laser, path-splitting two is transferred to laser by optical fiber
Head.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810341028.XA CN108425082A (en) | 2018-04-17 | 2018-04-17 | A kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability |
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| CN201810341028.XA CN108425082A (en) | 2018-04-17 | 2018-04-17 | A kind of Double-side Synchronous local laser heat treatment method improving aluminium alloy plate formability |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872300A (en) * | 2018-09-21 | 2018-11-23 | 华北水利水电大学 | A kind of full laser type material thermal expansion coefficient measuring quickly and automatically device |
| CN111992903A (en) * | 2020-08-24 | 2020-11-27 | 松山湖材料实验室 | Method for synchronously peeling wafer by laser |
| CN114891963A (en) * | 2022-05-09 | 2022-08-12 | 西安必盛激光科技有限公司 | Guide rail laser quenching method |
| CN116377176A (en) * | 2023-04-19 | 2023-07-04 | 广州泰格激光技术有限公司 | Laser quenching method for reducing and compensating deformation |
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| CN101658979A (en) * | 2009-10-09 | 2010-03-03 | 廊坊昊博金刚石有限公司 | Laser double-faced synchronous machining system and machining method thereof |
| CN107641776A (en) * | 2017-09-26 | 2018-01-30 | 中国科学院金属研究所 | A kind of method that local laser heat treatment improves aluminium alloy plate formability |
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2018
- 2018-04-17 CN CN201810341028.XA patent/CN108425082A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101658979A (en) * | 2009-10-09 | 2010-03-03 | 廊坊昊博金刚石有限公司 | Laser double-faced synchronous machining system and machining method thereof |
| CN107641776A (en) * | 2017-09-26 | 2018-01-30 | 中国科学院金属研究所 | A kind of method that local laser heat treatment improves aluminium alloy plate formability |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108872300A (en) * | 2018-09-21 | 2018-11-23 | 华北水利水电大学 | A kind of full laser type material thermal expansion coefficient measuring quickly and automatically device |
| CN111992903A (en) * | 2020-08-24 | 2020-11-27 | 松山湖材料实验室 | Method for synchronously peeling wafer by laser |
| CN114891963A (en) * | 2022-05-09 | 2022-08-12 | 西安必盛激光科技有限公司 | Guide rail laser quenching method |
| CN114891963B (en) * | 2022-05-09 | 2024-04-30 | 西安必盛激光科技有限公司 | Guide rail laser quenching method |
| CN116377176A (en) * | 2023-04-19 | 2023-07-04 | 广州泰格激光技术有限公司 | Laser quenching method for reducing and compensating deformation |
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Application publication date: 20180821 |