CN106271108A - A kind of laser cutting method of non-crystaline amorphous metal part - Google Patents
A kind of laser cutting method of non-crystaline amorphous metal part Download PDFInfo
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- CN106271108A CN106271108A CN201610827150.9A CN201610827150A CN106271108A CN 106271108 A CN106271108 A CN 106271108A CN 201610827150 A CN201610827150 A CN 201610827150A CN 106271108 A CN106271108 A CN 106271108A
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- amorphous metal
- crystaline amorphous
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- metal part
- cutting
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Classifications
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- 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
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- 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
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Laser Beam Processing (AREA)
Abstract
The invention discloses the laser cutting method of a kind of non-crystaline amorphous metal part, its method includes: utilize laser to carry out cutting and not cutting through on non-crystaline amorphous metal part, utilizes external force two layers of material to be separated along cutting trace after cutting；Wherein, the cut degree of depth is more than 0.01mm, and non-crystaline amorphous metal part cut place thickness is 0.02 1.5mm.The laser cutting method being applicable to non-crystaline amorphous metal part provided in the present invention, not only technique is simple, precision is high, will not form new machined burrs, and the concordance processed is good, is suitable in industrialized production using.
Description
Technical field
The present invention relates to non-crystaline amorphous metal field, be specifically related to a kind of utilize laser technology that non-crystaline amorphous metal part is cut
Method.
Background technology
Non-crystaline amorphous metal is the novel alloy material that Recent study quickly grows, because the particularity of its microstructure is former
Sub-shortrange order longrange disorder, non-crystaline amorphous metal has mechanical performance and the physicochemical property of excellence, such as high intensity, high rigidity, high-elastic
The property limit and fracture toughness, possess the performances such as high superplasticity in supercooling liquid phase region.In prior art, non-crystaline amorphous metal is in consumption
All many-sides such as electron-like field, aerospace field, medical instruments field are widely used.
Just because of non-crystaline amorphous metal possesses high intensity, high rigidity and extremely strong rub resistance corrosion resistance, the machine of non-crystaline amorphous metal
The tool course of processing becomes the difficult point in the non-crystaline amorphous metal product course of processing, and therefore the cost of mechanical processing process occupies non-crystaline amorphous metal
A part the biggest in product cost.In the prior art of the most employings of the mechanical processing process of non-crystaline amorphous metal product at present often
Mechanical processing technique, such as line cutting, CNC processing etc..Owing to amorphous alloy material is harder than ordinary metallic material, institute
To use line cutting or CNC to add man-hour, the replacement frequency of cutting equipment cutter head and consumptive material is more frequent, thus also results in
The increase of cost.Further, due to machine cuts cutter material and the restriction of angle, the non-crystaline amorphous metal system of some special shapes
Part cannot use machining mode of the prior art to be processed.
As a example by the mouth of a river removing casting non-crystal alloy components and burr, produce currently for preparation or processing non-crystaline amorphous metal part
The raw mouth of a river and burr, still use the mode of traditional machine cut to be removed in most prior art, utilizes gold
Belong to cutter to be removed in the mouth of a river and burr under external force.The mouth of a river and the process of burr at actual treatment non-crystaline amorphous metal product
In, metal cutting process is not first-selection, even can not become a good selection, and its reason is: first, non-crystaline amorphous metal is hard
Degree and fragility are all big than common metal material, if using metal knife processing, then the damage to cutter is very big, causes cutting
The use cost of cutter remains high, and is easily caused the deformation of non-crystaline amorphous metal product；Secondly, machine cut precision is relatively low,
Poor to the disposal ability of precision component, generally require after machinery carries out cutting the mouth of a river or burr and spend the biggest energy to use
The produced vestige of cutting is covered in post processing；And, machine cut is blocked up, frequently can lead to a part of mouth of a river or burr is stagnant
Stay the positions such as the limit of non-crystaline amorphous metal product, angle, seamed edge and form new cutting burr.
For the most significantly more efficient, non-crystaline amorphous metal product being carried out cutting processing, many researcheres are improved, relatively
Laser is ideally utilized to cut.Entitled " a kind of laser deburring technique " such as application number 201310299290.X
The technical scheme provided in Chinese patent: the light beam that laser instrument produces forms the laser of different-diameter after optical element focuses on
Hot spot, hot spot, under the effect of protective gas, cleans with continuous scan mode or pulse scan mode on straight-line displacement platform
Surface of the work, to remove the burr of surface of the work.Although the program proposes the method utilizing laser to flash removed, but works as
Laser cutting technique is applied to during the process of non-crystaline amorphous metal product make to have some limitations, and traces it to its cause or is
The macroscopic property different with common alloy that the non-crystaline amorphous metal microstructure different from common alloy is shown.
Summary of the invention
Cut is to utilize the high power density laser bundle focused on to irradiate workpiece, at the laser power density exceeding laser thresholding
On the premise of, the energy of laser beam and active gases auxiliary chemical reaction heat energy attached by cutting process are all inhaled by material
Receiving, thus cause the temperature of laser action point to steeply rise, after reaching boiling point, material begins to boil off, and forms hole, along with light
Bundle and the relative motion of workpiece, finally make material form joint-cutting, and the slag at joint-cutting is by the technique of certain auxiliary gas blasting
Process.
Thering is provided a kind of laser cutting method being applicable to non-crystaline amorphous metal part in the present invention, not only technique is simple, precision is high, no
New machined burrs can be formed, and the concordance processed is good, be suitable in industrialized production using.
The technical problem to be solved is achieved by the following technical programs:
Thering is provided the laser cutting method of a kind of non-crystaline amorphous metal part in the present invention, method includes: utilize laser on non-crystaline amorphous metal part
Carry out cutting and not cutting through, after cutting, utilize external force two layers of material to be separated along cutting trace；Wherein, the cut degree of depth is more than
0.01mm, non-crystaline amorphous metal part cut place thickness is 0.02-1.5mm.
The feature of amorphous alloy material is i.e. the microstructure of shortrange order longrange disorder, due to special microstructure
Existing causes it different with common crystal alloy, there is not crystal boundary face, and do not have metal in non-crystaline amorphous metal microstructure
The most specific slip system of crystalline material, so in macroscopic aspect, non-crystaline amorphous metal in fracture process with metallic crystal material edge
Intercrystalline cracking different, non-crystaline amorphous metal ruptures only along the direction of simple stress, and this character is similar to glass.
Difference based on above-mentioned non-crystaline amorphous metal Yu metallic crystal material, the present invention proposes above-mentioned non-crystaline amorphous metal part
Laser cutting method: do not use the cutting of common laser fusion directly to be excised in the mouth of a river or burr, but only at needs
Cutting local utilizes laser machine into similar similar cut not penetrate through cutting trace, then utilizes non-crystaline amorphous metal along single
The character of stress direction fracture directly breaks the cinder ladle of disconnected cut place as cutting-up glass.Owing to the precision of cut is high,
So new cutting burr will not be produced in cut place.The cutting that cutting method in the application present invention carries out non-crystaline amorphous metal part is right
Thickness in cut place has required, and cut place is the thinnest, uses laser to completely cut through, more convenient, and cut place is the thickest
Then can cause the difficulty during external force separately cutting trace two layers of material, find in practical operation, non-crystaline amorphous metal part cut place
Thickness is that 0.02-1.5mm is optimal.Corresponding, the cut degree of depth i.e. may utilize external force along cutting trace by two more than 0.01mm
Side material is separately, it is not necessary to expend more multi-energy and the time carries out the cutting of the more degree of depth or completely cuts through, lifting is added work efficiency
Rate and reduction power consumption of polymer processing have the biggest effect.
Laser cutting processing technique in the present invention can be carried out in laser equipment, cuts at non-crystaline amorphous metal part before cutting
Make marks on face and contribute to utilizing the CCD of coordinative composition of equipments to position the position needing to cut fast and accurately.Further preferably, described
Labelling can use the mode arranging labelling pattern at mould inner surface, and the most preferably, described labelling is optional to be used simply
Significantly cross shape marks.
Above-mentioned cutting method carries out blasting treatment, sandblasting procedures one side to non-crystaline amorphous metal part facet before also including cutting
Face can be cleared up the small burr of non-crystaline amorphous metal article surface, make article surface more smooth, the most reasonably roughness
Be conducive to the positioning capturing of follow-up CCD, it is, in general, that roughness should not be excessive in order to avoid causing obvious surface defect, at sandblasting
Facet roughness Ra after reason need to control no more than 20 μm.Sandblasting procedures preferably employs zirconium oxide, silicon oxide or plastic cement
Sandblasting material, on the one hand is because processing without using hardness other sandblasting material higher herein, only need to reach to remove small burr
Function, on the other hand, zirconium oxide, silicon oxide or plastic cement sandblasting material hardness are low, at non-crystaline amorphous metal in sandblasting procedures
Article surface will not produce shear band and impact follow-up cutting technique.
Cut step in the present invention preferably employs optical fiber laser and is vaporized cut.Vaporization cutting technique
Being to utilize laser beam heats workpiece to temperature more than boiling point, portion of material escapes in vapour form, its required cut
Energy is fusing cutting 10 times.Cut used in prior art mostly is laser fusion cutting, and laser fusion cuts
Haveing a problem in that when being cut to bottom greatly, at joint-cutting lowermost end, material is difficult to melt, thus is easily formed bigger machined burrs,
Gasification cutting then can perfectly avoid this situation to produce.Further, gasification cutting process does not use fusing cutting process
The mode of the blowing inert gas of middle use, it is to avoid laser focusing progress is impacted by blowing inert gas.
Further, the laser used in preferred fiber laser instrument in the present invention is continuously adjustabe laser, and laser power is
10W-50KW。
Further, the cut speed controlling being applied in the present invention is 10-2000mm/s.
Method in the present invention can be used for zirconium-base amorphous alloy, Fe-based amorphous alloy, cu-based amorphous alloys, the conjunction of Ni-based amorphous
The alloy product of the different system such as gold, cobalt base amorphous alloy, magnesium base amorphous alloy, al based amorphous alloy, rare-earth-base amorphous alloy
The course of processing in.Method in the present invention be applicable to electronic devices and components, integrated circuit (IC), electrical engineering and electric apparatus, mobile communication, five
Gold goods, tool fitting, precision instruments, glasses clock and watch, jewelry ornaments, auto parts machinery, plastic press key, building materials, PVC, doctor
Treat the field of the processing and manufacturing non-crystaline amorphous metals such as apparatus, be especially suitable for mark depths, smoothness, fineness are required higher high-end
Product.
There is advantages that
1, the present invention utilizes the characteristic of non-crystaline amorphous metal product, it is provided that a kind of cut side being applicable to non-crystaline amorphous metal product
Method, owing to employing laser fine cut, this process is simple, precision is high.
2, the method that the method provided in the present invention does not use laser cutting, but use laser gasification cutting to close at amorphous
What gold product cut place processed together similar cut does not penetrates through cutting trace, then utilizes non-crystaline amorphous metal disconnected along simple stress direction
The character split directly separately cuts the material of trace both sides as cutting-up glass, the most easy and simple to handle, and will not be formed new
Machined burrs, the concordance of processing is the best, is suitable for useful industrially.
Accompanying drawing explanation
Fig. 1 is non-crystaline amorphous metal part surface markers schematic diagram in the present invention；
Fig. 2 is the non-crystaline amorphous metal logo goods schematic diagram that in the present invention, non-crystaline amorphous metal part laser cutting method processes.
Detailed description of the invention
In embodiments of the invention, employing zirconium-base amorphous alloy makes non-crystaline amorphous metal product as the raw material of non-crystaline amorphous metal.
Embodiment 1 uses the burr on the process excision product provided in the present invention and the mouth of a river
Step one: the preparation of non-crystaline amorphous metal product and labelling
Utilize die casting machine and mould to carry out the die casting of zirconium-base amorphous alloy product product, after die casting cools down completely, obtain amorphous
Alloy product and the integrated die-casting blank in the mouth of a river.
Labeling method:
1. etching a cross labelling in above-mentioned non-crystaline amorphous metal casting molds, the non-crystaline amorphous metal article surface cast out (should
Surface is facet) i.e. there is a cross labelling.
2. removable marking pen is utilized to do cross shape marks at non-crystaline amorphous metal article surface, as shown in Figure 1.
1. labeling method is applicable to make marks on the mouth of a river, burr of needs excision, and labeling method is the most then applicable to not
The article surface needing any damage makes marks, wiped clean after end to be cut.
Step 2: blasting treatment
Carry out sandblasting with plastic cement sand face to be cut to non-crystaline amorphous metal product, remove the obvious burr in surface, make the cross on product
What labelling became apparent from shows especially out, and surface roughness Ra is 15 μm after tested.
Step 3: cut
Embodiment use laser marking machine as laser cutting device.
Amorphous alloy die-casting product good for blasting treatment is positioned in laser marking machine and carries out CCD seizure, find the mouth of a river/
Burr cut place carries out cut, and cutting process uses optical fiber laser, the exportable ripple of laser used in optical fiber laser
A length of continuously adjustabe laser, laser power is 210W, and cutting speed is 1800mm/s, cutting part (mouth of a river/burr cut place)
Thickness be 0.8mm, depth of cut is 0.01mm.
Step 4: post processing
The cutting vestige produced in above-mentioned steps is manual to be broken except cinder ladle at the mouth of a river/burr, and by the amorphous after removal cinder ladle
Alloy product is ground processing.
Comparison of production: CNC process velocity is 200PCS/h, the method process velocity in the present embodiment is 2000PCS/h, if
Promoting certain cut speed, working (machining) efficiency can be higher；To specific energy consumption, CNC power is 5000W, is laser power
More than 20 times of 210W, the method in the present embodiment can be greatly saved the consumption of the energy, and economy is more preferably.
During actual production find, in the present invention provide processing step for thickness at 0.02-1.5mm model
The removal effect enclosing the interior mouth of a river/burr is best, and once the mouth of a river/burr thickness is less than 0.02mm, directly employing forceps inlet or
Other tool scissors remove the mouth of a river/burr, with the laser treatment difference in appearance utilized in the present invention inconspicuous；And once water
Mouth/burr thickness is more than 1.5mm, when using the method in the present invention, exists for bigger risk in the step breaking slagging-off bag,
And once the mouth of a river/burr thickness is excessive, time and the energy consumption of cut are the most excessive, and economy can reduce.
Finding during practical operation, the degree of depth ＞ 0.01mm of cut can realize breaking the process of slagging-off bag,
The cut degree of depth of concrete goods is relevant with non-crystaline amorphous metal material system, and such as the zirconium-base amorphous alloy in embodiment, cutting is deep
Degree is optimal for 0.01mm-0.05mm, can either effectively break slagging-off bag it is also contemplated that economy, it is to avoid excessive use cutting sets
Standby.The amorphous alloy product of other systems, such as Fe-based amorphous alloy, cu-based amorphous alloys, ni-based amorphous alloy, cobalt base amorphous conjunction
Gold, magnesium base amorphous alloy, al based amorphous alloy, rare-earth-base amorphous alloy etc., refer to the hardness of different amorphous alloy product, be subject to
Power situation carries out the setting of depth of cut and cutting speed.
The cutting processing of embodiment 2 non-crystaline amorphous metal logo goods
Amorphous alloy material in embodiment 2 is consistent with embodiment 1, the processing step used and equipment also with embodiment 1
In consistent.In this embodiment, utilize laser to need the place of excision to carry out laser in logo product surrounding and " rule " and (i.e. cut
Cut), then utilize the fixture suitable with logo product to utilize the mode of punching press to be removed by the corner parts outside line.
The thickness of non-crystaline amorphous metal logo goods is 0.3mm, and the cut degree of depth is 0.02mm, and cutting speed is 1000mm/
s.End product is as shown in Figure 2, from accompanying drawing 2, smooth at this product edges, has no any machined burrs, and
The concordance of processing is the best, and for split requirement the most careful, that cutting amplitude is little, the cutting method in the present invention is the suitableeest
With.
It is last it should be noted that it is only entered by above example in order to the technical scheme of the embodiment of the present invention to be described
Row limits, although the embodiment of the present invention being described in detail with reference to preferred embodiment, and those of ordinary skill in the art
Be to be understood that and still the technical scheme of the embodiment of the present invention can be modified or equivalent, and these amendment or etc.
Also amended technical scheme can not be made the scope of embodiment of the present invention technical scheme is departed from replacement.
Claims (10)
1. the laser cutting method of a non-crystaline amorphous metal part, it is characterised in that: utilize laser to cut on non-crystaline amorphous metal part
And do not cut through, utilize external force two layers of material to be separated along cutting trace after cutting；Wherein, the cut degree of depth is more than 0.01mm, non-
Peritectic alloy part cut place thickness is 0.02-1.5mm.
2. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 1, it is characterised in that: described cutting method also includes cutting
Make marks on non-crystaline amorphous metal part facet before cutting.
3. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 2, it is characterised in that: described cutting method also includes profit
Carry out CCD seizure with the labelling of facet, thus cut place is accurately positioned.
4. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 2, it is characterised in that: described labelling uses in mould
The mode of surface configuration labelling pattern.
5. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 2, it is characterised in that be labeled as cross mark described in:
Note.
6. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 1, it is characterised in that: described cutting method also includes cutting
Before cutting, non-crystaline amorphous metal part facet being carried out blasting treatment, the facet roughness Ra after blasting treatment is not more than 20 μm.
7. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 6, it is characterised in that: described blasting treatment uses
Sandblasting material is zirconium oxide, silicon oxide or plastic cement sandblasting material.
8. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 1, it is characterised in that: described cut uses
Optical fiber laser is vaporized cut.
9. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 8, it is characterised in that: described optical fiber laser uses
Laser be continuously adjustabe laser, laser power is 10W-50KW.
10. the laser cutting method of non-crystaline amorphous metal part as claimed in claim 1, it is characterised in that: the cutting of described cut
Speed is 10-2000mm/s.
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| CN201610827150.9A CN106271108A (en) | 2016-09-14 | 2016-09-14 | A kind of laser cutting method of non-crystaline amorphous metal part |
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| CN201610827150.9A CN106271108A (en) | 2016-09-14 | 2016-09-14 | A kind of laser cutting method of non-crystaline amorphous metal part |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108067749A (en) * | 2017-12-06 | 2018-05-25 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of laser cutting method and system for amorphous thin ribbon |
| CN109773429A (en) * | 2019-03-01 | 2019-05-21 | 东莞市逸昊金属材料科技有限公司 | A kind of amorphous alloy accurate cutting technique |
| CN110052725A (en) * | 2019-04-30 | 2019-07-26 | 常州世竟液态金属有限公司 | A kind of amorphous alloy quasi-continuous lasing punch-cuts technique |
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| CN108067749A (en) * | 2017-12-06 | 2018-05-25 | 广东省焊接技术研究所（广东省中乌研究院） | A kind of laser cutting method and system for amorphous thin ribbon |
| CN109773429A (en) * | 2019-03-01 | 2019-05-21 | 东莞市逸昊金属材料科技有限公司 | A kind of amorphous alloy accurate cutting technique |
| CN110052725A (en) * | 2019-04-30 | 2019-07-26 | 常州世竟液态金属有限公司 | A kind of amorphous alloy quasi-continuous lasing punch-cuts technique |
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