CN102658606A - Manufacturing method of resin diamond wire - Google Patents
Manufacturing method of resin diamond wire Download PDFInfo
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- CN102658606A CN102658606A CN2012101455310A CN201210145531A CN102658606A CN 102658606 A CN102658606 A CN 102658606A CN 2012101455310 A CN2012101455310 A CN 2012101455310A CN 201210145531 A CN201210145531 A CN 201210145531A CN 102658606 A CN102658606 A CN 102658606A
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- resin
- buddha
- warrior attendant
- heart yearn
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/18—Sawing tools of special type, e.g. wire saw strands, saw blades or saw wire equipped with diamonds or other abrasive particles in selected individual positions
- B23D61/185—Saw wires; Saw cables; Twisted saw strips
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- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a manufacturing method of a resin diamond wire, relating to the field of photovoltaic technology. The manufacturing method of a resin diamond wire adopts viscose, carborundum and core wire and sequentially comprises the following steps of: preparing carborundum resin liquid including carborundum coated with metal, resin adhesive, organic solvent and SiC sand grain auxiliary, wherein the resin adhesive is soluble phenolic resin; mixing with a mixer until the phenolic resin is dissolved in the paste in dimethylformamide, and then injecting into a mould; in the mould, smearing the resin liquid on the steel wire; processing the steel wire with the resin liquid by a heating furnace to obtain a semi-hardened resin diamond wire; and collecting the wire to obtain a finished product of the resin diamond wire. The method disclosed by the invention has stable technology, short semi-hardening time and high production efficiency; and the production equipment can also be miniaturized.
Description
Technical field
The preparation method of a kind of resin Buddha's warrior attendant of the present invention line relates to the photovoltaic technology field.
Background technology
Photovoltaic (PV or photovoltaic) is the abbreviation of solar photovoltaic generation system (photovoltaic power system).Be a kind of photovoltaic effect of utilizing the solar cell semi-conducting material, can directly convert solar radiation a kind of new-generation system of electric energy into, independent operating is arranged and be incorporated into the power networks dual mode.
National governments along with the release of decline of skill upgrading cost and the positive photovoltaic policy in various countries, estimate that the photovoltaic industry is with fast development all at the develop actively clean energy resource at present.Predict that according to European photovoltaic industry association (EPIA) photovoltaic market will keep 30%～40% quick growth in 5 years from now on, the growth rate in 10 years also will reach 20%～30% thereafter.Silicon chip is exactly a substrate of making photovoltaic cell.The silicon chip cutting is the key component in the solar-energy photo-voltaic cell manufacturing process.This cutting technique is used to handle the solid silicon ingot of monocrystalline silicon or polysilicon, with the silicon ingot dice, is cut into the silicon chip of 200um then.
Silicon chip cutting technique all the time is cut to the master with traditional mortar, and still, because the technology limitation has an insoluble difficult problem: one of difficult problem: silica flour is difficult to thickization of effectively utilization and rapidoprint, makes silicon chip be difficult to cut thinlyyer, and cost is difficult to be reduced; Two of a difficult problem: easy generation causes the industrial waste of environmental pollution, and the pollution treatment cost is bigger.
In the photovoltaic field; In order to satisfy market for more low-cost and the more requirement of high productivity; The research of Buddha's warrior attendant line technology and industrialization with further dwindling silicon wafer thickness and reduced the spillage of material in the cutting process, thereby have reduced the silicon materials consumption of solar electric power.
At present, raw material have almost accounted for 1/3rd of crystal silicon solar energy battery cost, and therefore, the Buddha's warrior attendant line technology is for reducing every watt of cost of solar energy and finally impelling it to reach the electrical network par and played crucial effects.Up-to-date state-of-the-art Buddha's warrior attendant line technology has brought a lot of innovations, with increasing productivity and passing through the consumption that thinner silicon chip reduces silicon materials.The Buddha's warrior attendant line has carried out more deep research abroad, and domesticly also is in the starting stage in this research on the one hand.
Silicon chip is a part the most expensive in the crystal silicon photovoltaic cell technology, so it is most important to the competitiveness of traditional energy for improving solar energy to reduce the manufacturing cost of this part.But our demand side mainly focuses on the productivity of photovoltaic industry Buddha's warrior attendant line to multinomial challenge in the silicon chip cutting technique, the silicon chip quantity of just producing in the unit interval.Productivity depends on following factor:
1) Buddha's warrior attendant linear diameter---thinner line of cut means lower loss, that is to say that same silico briquette can produce more silicon chip.Yet line of cut is fracture more easily more carefully.
2) load---the gross area of each cutting equals the silicon chip quantity that each each silico briquette of silico briquette quantity X that cuts of silicon area X is cut into.
3) cutting speed---cutting bed is through the speed of line of cut cutting net, and this depends on the line of cut movement velocity to a great extent, motor power and line of cut pulling force.
4) being easy to maintainability---the Buddha's warrior attendant line needs to change line of cut between cutting, and the speed of maintenance is fast more, and overall productivity is just high more.
The Buddha's warrior attendant line is compared with the process technology of being carried out the line cutting by free abrasive material, and its advantage embodies in the following areas:
1) compare with traditional silicon carbide abrasive cutting with the Buddha's warrior attendant line, efficient is high, the life-span is long, and cutting accuracy is high, and the silicon chip quality is good.
2) substitute silicon carbide abrasive with the Buddha's warrior attendant line, with the polysilicon in the easy recovery waste residue more.According to statistics, there is 40% polysilicon not obtain utilizing approximately, is wasted in the waste residue, be difficult to separate with carborundum.If adopt the cutting of diamond line, can rely on the mode of burning, separate and the recycle polysilicon.
3) can use water-soluble cooling fluid, be convenient to reclaim.
But the present production technology of Buddha's warrior attendant line defectiveness still, in the past, for the manufacturing of Buddha's warrior attendant line sand grains static line resin as adhesive, after the powder that will contain sand grains and adhesive was starched and is applied on the heart yearn, adhesive sclerosis needs were for a long time.The speed of production of existing equipment is 200～300mm/sec, produces 10 meters of the about lengthwises of line equipment.
Summary of the invention
The object of the present invention is to provide a kind of preparation method of resin Buddha's warrior attendant line.
The object of the invention realizes through following technical proposals:
The first step; Preparation diamond dust resin liquid; Comprise: diamond dust, resin system adhesive, organic solvent and SiC sand grains after metal (Ni, Ti, the Cu etc.) coating are supported by the arm material, and wherein, the resin system adhesive is novolak and/or bakelite; Be stirred to phenolic resins with mixer and be dissolved in the pastel in the dimethyl formamide, inject mould;
Second step, the fixedly diamond dust: heart yearn is installed earlier, heart yearn is connected to the line sending axle; Heart yearn transporting velocity: 1000～2000mm/sec lets heart yearn pass through mould, and resin liquid is evenly coated on the heart yearn; The coating amount of resin liquid is: 0.003～0.040g/m is provided with the diamond die at the line outlet of mould, through setting the steel wire of smearing resin liquid that the die size obtains required size; Wherein, described heart yearn is the cutting steel wire that uses on the slicer;
The 3rd step, the above-mentioned steel wire of smearing resin liquid is passed through heating furnace, heating furnace length: 500mm～1500mm, temperature is: 400～1000 ℃ of bakings, reach resin liquid and be semi-harden, obtain semi-harden resin Buddha's warrior attendant line;
In the 4th step, take-up is through the direct quill of the later half hardening resin Buddha's warrior attendant of heating furnace line quilt; The whole input in the constant temperature oven of bobbin is warming up to 180 ℃ in 10 hours gradually, then, is stabilized in 180 ℃ of deenergizations after 3 hours; Solidification temperature is: 160 ℃～240 ℃, be hardening time: 5～15 hours, till temperature natural is reduced to room temperature; Make resin liquid reach sclerosis fully, get resin Buddha's warrior attendant line finished product.
Wherein, the specification that the 3rd EOS can the semi-harden resin Buddha's warrior attendant of online detection line etc. also should have detection after resin hardens fully, with the quality homogeneous that guarantees finished product, reliable.
On the such scheme basis, in the first step, described mould is a powder slurry distributor, and resin liquid powder slurry is coated on the heart yearn.
On the such scheme basis, in second step, described installation heart yearn need clean through rinse bath; With on the heart yearn of removing impurity on bobbin; Wherein, said heart yearn specification is that φ 80 μ m～φ 110 μ m slicers are used heart yearn, and cleaning fluid mainly uses electrolytic salt.
After on the bobbin, adopt continuous wire-sending device, that is: the device of the heart yearn of quill being emitted continuously on the heart yearn.The preferable transporting velocity of described heart yearn is the continuous line sending of speed of 1200～2000 mm/second.
On the such scheme basis, in the 3rd step, described heating furnace is the heating furnace of perpendicular type, and with the heating furnace that heart yearn is from top to bottom walked or carried from lower to upper, mode of heating is that electrical heating, high-frequency are induced heating, heat reflection heating.The preferred heated temperature of described heating furnace is 680 ℃～750 ℃.
Terminal production line in the 3rd step is provided with online detection instrument, and gained Buddha's warrior attendant line is carried out online detection, measures the external diameter of Buddha's warrior attendant line, measures the Buddha's warrior attendant line and whether meets standard value, in time makes to the numerical value situation and judging and adjustment.
On the such scheme basis, in the 4th step, described constant temperature oven is a kind of thermostat, and each bobbin that is wound with semi-harden Buddha's warrior attendant line is heated and makes resin solidification.
In the 4th step, before rolling, resin Buddha's warrior attendant line sample is directed against the PE of contents such as intensity, ductility, outward appearance.Qualified then explanation is through OQC, and shipment, rolling are then prepared in approval.
Described resin liquid is to comprise: diamond dust, resin system adhesive, organic solvent and the SiC sand grains after metal (Ni, Ti or the Cu etc.) coating supported by the arm the pastel of material etc., and the percentage by weight of each component is:
Diamond dust 5～30wt%
Resin system adhesive 5～30wt%
SiC sand grains (1～5 μ m) 5～20wt%
Organic solvent 5～25wt%,
Wherein, the resin system adhesive is a bakelite; The particle diameter of described diamond dust is: 4 μ m～50 μ m; The particle diameter of described SiC sand is: 1 μ m～5 μ m.
In the described resin system adhesive, also can comprise the modifier as the resin system adhesive such as phenol, acrylic resin.
Described organic solvent is N, dinethylformamide.
Described diamond dust is the diamond dust of nickel coating, and the coating amount is 1～55wt%.
Technology of the present invention is advanced, and Buddha's warrior attendant line stable processing technique is to select special material and cooperation ratio through repeatedly experiment and basis, can let adhesive be in semi-harden state through after the heating of short time.The resin that the present invention selected for use is bakelite and rational formula system; Make the semi-harden time short; From the speed of production of existing equipment is 200～300mm/sec; The about lengthwise of product line equipment is improved to speed of production for 10 meters and reaches about 1200mm/min, and production equipment also can miniaturization arrive 2～3 meters of lengthwises, and production efficiency is high.
Figure of description
Accompanying drawing, process flow diagram of the present invention.
The specific embodiment
Like figure, shown in the process flow diagram of the present invention, step comprises emits heart yearn, steel wire cleaning, powder slurry distributor, the semi-harden processing of heating furnace, the take-up of acceptance line, constant temperature oven solidifying and setting continuously.
The first step; Preparation diamond dust resin liquid; Comprise: diamond dust, resin system adhesive, organic solvent and SiC sand grains after metal (Ni, Ti or the Cu etc.) coating are supported by the arm material etc.; Be stirred to phenolic resins with mixer and be dissolved in the pastel in the dimethyl formamide, each components based on weight percentage is: (the coating amount is that 1～55wt%) diamond dust 5～30wt%, resin binder are bakelite (resole resin) to nickel coating, (C
6H
6O CH
2O)
x) 5～30wt%, SiC5～20wt%, organic solvent N, dinethylformamide ((CH
3) 2NCHO) 5～25wt%, each component is put into container, mixer stirs; Pulverous bakelite is dissolved in the organic solution; And mix diamond dust and obtain pasty state diamond dust resin liquid with SIC, injecting mould, present embodiment is to select for use powder to starch distributor; Wherein, organic solution plays the effect of regulating viscosity.
Wherein, diamond dust size: 4 μ m～50 μ m; The particle diameter of SiC sand is: 1 μ m～5 μ m.
Mixer is to add revolution formula rotation through rotation to produce centrifugal force, the foam that utilizes centrifugal force to remove to produce in the process of mixing, and make resin binder in being dissolved in the process of organic resin, the ratio of evenly distribute diamond dust and SIC.Reasonable viscosity is: 2.0～4.5Pa.S
Second step, the fixedly diamond dust: heart yearn is installed earlier, heart yearn is connected to the line sending axle; Heart yearn is the cutting steel wire that uses on the slicer, after steel wire is cleaned, carries heart yearn with the speed of 1200mm/sec; Let heart yearn pass through powder slurry distributor, resin liquid is evenly coated on the steel wire, the coating amount of resin liquid is: 0.003～0.040g/m; Line outlet at mould is provided with the diamond die that size is confirmed; The outside dimension of the steel wire of smearing resin liquid is met design requirement, and wherein, die need use diamond or superhard steel material; Heart yearn is connected to the line sending axle.
The 3rd step, the above-mentioned steel wire of smearing resin liquid is passed through heating furnace, heating furnace length: 1000mm, temperature is: 680 ℃～750 ℃, baking of resin liquid obtains semi-harden Buddha's warrior attendant line, and carries out online detection to semi-harden;
The 4th step is to detecting qualified semi-harden Buddha's warrior attendant line, direct quill; With bobbin whole drop into be warming up to gradually in 10 hours in the constant temperature oven 180 ℃ (programming rate be 18 ℃/h), then, be stabilized in 180 ℃ of deenergizations after 3 hours; Till temperature natural is reduced to room temperature; Make the resin liquid sclerosis fully, detect, get resin Buddha's warrior attendant line finished product.
Finished product is detected:
1), with the quantity and the overhang situation of electronic scanner microscope observation Buddha's warrior attendant line surface attachment diamond dust, whether check has unusual.
2), friction test: make the friction effect of Buddha's warrior attendant line with frictional testing machine, judge the cutting performance of Buddha's warrior attendant line with this at the material production certain pressure.
3), tension test: use tensile machine to measure the pulling force characteristic that bears of Buddha's warrior attendant line, meet international norm.
Claims (10)
1. the preparation method of a resin Buddha's warrior attendant line comprises viscose glue, diamond dust, heart yearn, it is characterized in that according to following step:
The first step; Preparation diamond dust resin liquid; Comprise: the diamond dust behind the metal coating, resin system adhesive, organic solvent and SiC sand grains are supported by the arm material, and wherein, the resin system adhesive is a bakelite; Be stirred to phenolic resins with mixer and be dissolved in the pastel in the dimethyl formamide, inject mould;
Second step, the fixedly diamond dust: heart yearn is installed earlier, heart yearn is connected to the line sending axle; Heart yearn transporting velocity: 1000～2000mm/sec lets heart yearn pass through mould, and resin liquid is evenly coated on the heart yearn; The coating amount of resin liquid is: 0.003～0.040g/m is provided with the diamond die at the line outlet of mould, through setting the steel wire of smearing resin liquid that the die size obtains required size; Wherein, described heart yearn is the cutting steel wire that uses on the slicer;
The 3rd step, the above-mentioned steel wire of smearing resin liquid is passed through heating furnace, heating furnace length: 500mm～1500mm, temperature is: 400～1000 ℃, baking reaches resin liquid and is semi-harden, obtains semi-harden resin Buddha's warrior attendant line;
In the 4th step, take-up is through the direct quill of the later half hardening resin Buddha's warrior attendant of heating furnace line quilt; The whole input in the constant temperature oven of bobbin is warming up to 180 ℃ in 10 hours gradually, then, is stabilized in 180 ℃ of deenergizations after 3 hours; Solidification temperature is: 160 ℃～240 ℃, be hardening time: 5～15 hours, till temperature natural is reduced to room temperature; Make resin liquid reach sclerosis fully, get resin Buddha's warrior attendant line finished product.
2. the preparation method of resin Buddha's warrior attendant line according to claim 1 is characterized in that: in the first step, described mould is a powder slurry distributor, and resin liquid powder slurry is coated on the heart yearn.
3. the preparation method of resin Buddha's warrior attendant line according to claim 1; It is characterized in that: in second step, described installation heart yearn need clean through rinse bath, with on the heart yearn of removing impurity on bobbin; Wherein, said heart yearn specification is that φ 80 μ m～φ 110 μ m slicers are used heart yearn.
4. according to the preparation method of claim 1 or 3 described resin Buddha's warrior attendant lines, it is characterized in that: adopt continuous wire-sending device, the continuous line sending of speed that described heart yearn transporting velocity is 1200～2000 mm/second.
5. the preparation method of resin Buddha's warrior attendant line according to claim 1; It is characterized in that: in the 3rd step; Described heating furnace is the heating furnace of perpendicular type, and with the heating furnace that heart yearn is from top to bottom walked or carried from lower to upper, mode of heating is that electrical heating, high-frequency are induced heating, heat reflection heating.
6. the preparation method of resin Buddha's warrior attendant line according to claim 5 is characterized in that: the heating-up temperature of described heating furnace is 680 ℃～750 ℃.
7. the preparation method of resin Buddha's warrior attendant line according to claim 1 is characterized in that: in the 4th step, described constant temperature oven is a kind of thermostat, and each bobbin that is wound with semi-harden Buddha's warrior attendant line is heated and makes resin solidification.
8. the preparation method of resin Buddha's warrior attendant line according to claim 1; It is characterized in that: described resin liquid is to comprise: have diamond dust, resin system adhesive, organic solvent and SiC sand grains behind metallic nickel, titanium or the copper coating to support by the arm the pastel of material, the percentage by weight of each component is:
Diamond dust 5～30wt%
Resin system adhesive 5～30wt%
SiC sand grains 5～20wt%
Organic solvent 5～25wt%,
Wherein, the resin system adhesive is a bakelite; The particle diameter of described diamond dust is: 4 μ m～50 μ m; The particle diameter of described SiC sand is: 1 μ m～5 μ m.
9. according to the preparation method of claim 1 or 8 described resin Buddha's warrior attendant lines, it is characterized in that: in the described resin system adhesive, also can comprise phenol, acrylic resin.
10. according to the preparation method of claim 1 or 8 described resin Buddha's warrior attendant lines, it is characterized in that: described organic solvent is N, and dinethylformamide, described diamond dust are the diamond dust of nickel coating, and the coating amount is 1～55wt%.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101455310A CN102658606A (en) | 2012-05-11 | 2012-05-11 | Manufacturing method of resin diamond wire |
| PCT/CN2013/075388 WO2013166976A1 (en) | 2012-05-11 | 2013-05-09 | Method for manufacturing resin diamond wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101455310A CN102658606A (en) | 2012-05-11 | 2012-05-11 | Manufacturing method of resin diamond wire |
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| CN102658606A true CN102658606A (en) | 2012-09-12 |
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| CN2012101455310A Pending CN102658606A (en) | 2012-05-11 | 2012-05-11 | Manufacturing method of resin diamond wire |
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| WO (1) | WO2013166976A1 (en) |
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| WO2013166976A1 (en) * | 2012-05-11 | 2013-11-14 | 香港雅诚国际有限公司 | Method for manufacturing resin diamond wire |
| CN103737730A (en) * | 2014-01-24 | 2014-04-23 | 华晶精密制造有限公司 | Magnet positioning mechanism for diamond cutting line production equipment |
| CN103753720A (en) * | 2014-01-21 | 2014-04-30 | 开封恒锐新金刚石制品有限公司 | Method for manufacturing resin diamond line by non-plating diamond |
| CN103753721A (en) * | 2014-01-21 | 2014-04-30 | 开封恒锐新金刚石制品有限公司 | Method for producing resin diamond wire through metal powder doped with resin sizing agent |
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| CN103753720A (en) * | 2014-01-21 | 2014-04-30 | 开封恒锐新金刚石制品有限公司 | Method for manufacturing resin diamond line by non-plating diamond |
| CN103753721A (en) * | 2014-01-21 | 2014-04-30 | 开封恒锐新金刚石制品有限公司 | Method for producing resin diamond wire through metal powder doped with resin sizing agent |
| CN103753720B (en) * | 2014-01-21 | 2016-04-27 | 开封恒锐新金刚石制品有限公司 | By the method for non-plating diamond fabrication resin diamond wire |
| CN103737730A (en) * | 2014-01-24 | 2014-04-23 | 华晶精密制造有限公司 | Magnet positioning mechanism for diamond cutting line production equipment |
| CN103737730B (en) * | 2014-01-24 | 2015-12-02 | 华晶精密制造股份有限公司 | A kind of diamond cutting secant production equipment magnet detent mechanism |
| CN104118066A (en) * | 2014-08-29 | 2014-10-29 | 河南新大新材料股份有限公司 | Method for manufacturing nano hybrid resin diamond lines |
| CN104118066B (en) * | 2014-08-29 | 2016-07-27 | 河南易成新能源股份有限公司 | The manufacture method of nano hybridization resin-diamond line |
| CN104328372B (en) * | 2014-10-10 | 2016-08-24 | 河南优克电子材料有限公司 | A kind of micro-fine wire surface direct coated metal layer equipment and processing method |
| CN105507047A (en) * | 2016-01-10 | 2016-04-20 | 盛利维尔（中国）新材料技术有限公司 | Resin consolidated abrasive diamond wire and production process thereof |
| CN106826597A (en) * | 2016-12-21 | 2017-06-13 | 河南易成新能源股份有限公司 | The production method of continuous long range resin-diamond scroll saw |
| CN106826598A (en) * | 2016-12-21 | 2017-06-13 | 河南易成新能源股份有限公司 | Resinous coat diamond wire and preparation method thereof |
| CN107234739A (en) * | 2017-06-27 | 2017-10-10 | 盛利维尔（中国）新材料技术股份有限公司 | A kind of antifriction resin diamond rope and its production method |
| CN109159311A (en) * | 2017-09-11 | 2019-01-08 | 湖南七纬科技有限公司 | A kind of high-performance diamond line |
| CN109159311B (en) * | 2017-09-11 | 2020-08-18 | 湖南七纬科技有限公司 | High-performance diamond wire |
| CN108044818A (en) * | 2017-12-07 | 2018-05-18 | 浙江瑞翌新材料科技股份有限公司 | A kind of processing method of resin diamond wire busbar |
| CN108645340A (en) * | 2018-05-15 | 2018-10-12 | 江苏亿荣新材料科技有限公司 | It is a kind of that there is the diamond wire production technology for quantitatively adding sand and on-line monitoring function |
| CN109283027A (en) * | 2018-11-05 | 2019-01-29 | 长沙岱勒新材料科技股份有限公司 | Diamond wire metallographic specimen producing device and method |
| CN109283027B (en) * | 2018-11-05 | 2023-10-13 | 长沙岱勒新材料科技股份有限公司 | Diamond wire metallographic specimen manufacturing device and method |
| CN109794865A (en) * | 2019-01-30 | 2019-05-24 | 无锡中环应用材料有限公司 | A kind of production technology of carborundum line |
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Application publication date: 20120912 |