CN102886569A - Pre-treatment method and pre-treatment system for core wire of diamond wire saw - Google Patents
Pre-treatment method and pre-treatment system for core wire of diamond wire saw Download PDFInfo
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- CN102886569A CN102886569A CN2011102069224A CN201110206922A CN102886569A CN 102886569 A CN102886569 A CN 102886569A CN 2011102069224 A CN2011102069224 A CN 2011102069224A CN 201110206922 A CN201110206922 A CN 201110206922A CN 102886569 A CN102886569 A CN 102886569A
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- roughening
- diamond fretsaw
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 85
- 239000010432 diamond Substances 0.000 title claims abstract description 85
- 238000002203 pretreatment Methods 0.000 title abstract 5
- 238000000034 method Methods 0.000 claims abstract description 59
- 238000007788 roughening Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000004506 ultrasonic cleaning Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 33
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 230000004913 activation Effects 0.000 claims description 21
- 239000007822 coupling agent Substances 0.000 claims description 21
- 230000008569 process Effects 0.000 claims description 19
- 238000005238 degreasing Methods 0.000 claims description 18
- 238000005498 polishing Methods 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 9
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 7
- 229910000077 silane Inorganic materials 0.000 claims description 7
- 230000003213 activating effect Effects 0.000 claims description 6
- 239000004519 grease Substances 0.000 claims description 5
- 238000005520 cutting process Methods 0.000 abstract description 45
- 239000011347 resin Substances 0.000 abstract description 34
- 229920005989 resin Polymers 0.000 abstract description 34
- 239000000853 adhesive Substances 0.000 abstract description 13
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- 239000000463 material Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 9
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- 230000003247 decreasing effect Effects 0.000 abstract 2
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- 239000003795 chemical substances by application Substances 0.000 description 8
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 7
- 229910052710 silicon Inorganic materials 0.000 description 7
- 239000010703 silicon Substances 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 238000005237 degreasing agent Methods 0.000 description 6
- 239000013527 degreasing agent Substances 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 2
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- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 241001055071 Peperomia marmorata Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
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- 230000003749 cleanliness Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- CMMUKUYEPRGBFB-UHFFFAOYSA-L dichromic acid Chemical compound O[Cr](=O)(=O)O[Cr](O)(=O)=O CMMUKUYEPRGBFB-UHFFFAOYSA-L 0.000 description 1
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The embodiment of the invention discloses a pre-treatment method and a pre-treatment system for a core wire of a diamond wire saw. The pre-treatment method comprises the following steps of: 1) performing roughening treatment on the surface of the core wire; 2) performing ultrasonic cleaning on the core wire in pure water; and 3) performing drying treatment on the wire core. According to the method and the system, the surface roughening treatment is performed on the core wire of the diamond wire saw before the diamond wire saw is produced, so that the surface area of the core wire of the diamond wire saw is increased, and the roughness of the core wire of the diamond wire saw can be improved; and therefore, the adhesion force of a resin adhesive on the core wire of the diamond wire saw can be enhanced, the occurrence probability of the block-form falling-off phenomenon of diamond particles due to the insufficient adhesion force of the resin adhesive is decreased, and the occurrence probability of the wire breakage phenomenon of the diamond wire saw during a cutting process due to an insufficient cutting force is decreased, thus guaranteeing the cutting accuracy and the cutting efficiency of the diamond wire saw, prolonging the service life of the diamond wire saw, and avoiding the waste of cut materials.
Description
Technical field
The present invention relates to diamond fretsaw cutting technique field, more particularly, relate to a kind of preprocess method and pretreatment system of diamond fretsaw heart yearn.
Background technology
The world today; because day by day highlighting of energy crisis; promoted the development of solar energy industry; silicon chip is the carrier of solar cell, and the quality of Si wafer quality has directly determined the height of conversion efficiency of solar cell, and good cutting effect is the prerequisite that ensures Si wafer quality; if the cutting thickness inaccuracy of silicon chip; otch is undesirable, not only can cause the waste of raw material crystalline silicon, also can affect the quality of silicon chip.
Along with the development of science and technology, people require more and more higher to the cut quality of silicon chip, so require cutting tool in cutting process, not only to pollute little, material consumption is few, also will guarantee to have preferably cutting effect, and good cutting accuracy be arranged.Diamond fretsaw is as a kind of cutting effect cutting tool preferably, and joint-cutting is narrow, volume recovery is high because it has; The fragile materials such as cutting process is steady, cutting silicon wafer do not collapse the limit; Energy cutting large size workpiece; Cutting temperature is low, and cut surface is without the ablation vestige; Environmental pollution is little; The cutting accuracy advantages of higher is widely used in the process that the cutting of high hardness material, particularly crystalline silicon cut into silicon chip.
A kind of common diamond fretsaw is by resin binder very little diamond particles to be bonded on the diamond fretsaw metal core wire to be prepared from the prior art.Yet; in the process that diamond fretsaw cuts; the diamond fretsaw heart yearn is because the adhesive force of resin binder is inadequate; the phenomenon that the related diamond particles bulk of resin binder comes off usually can appear; so that the cutting force of diamond fretsaw descends; even the phenomenon that diamond fretsaw breaks owing to the cutting force deficiency in cutting process can appear, thus affect the service life of cutting accuracy, cutting efficiency and the diamond fretsaw of diamond fretsaw, cause the waste that is cut material.Simultaneously, be valuable raw material owing to being used for preparing the crystalline silicon of silicon chip of solar cell, the economic benefit that this phenomenon also can have a strong impact on enterprise appears.
Therefore, before diamond fretsaw is produced, need to carry out preferably preliminary treatment to the diamond fretsaw heart yearn, improving the adhesive force of resin binder, the cutting accuracy of ensuring funds diamond wire saw and cutting efficiency prolong service life of diamond fretsaw simultaneously.In the prior art before diamond fretsaw production the preliminary treatment to heart yearn just carry out simple ungrease treatment, can not the adhesive force of highly effective increase resin binder on heart yearn.
Summary of the invention
In view of this, the invention provides a kind of preprocess method and pretreatment system of diamond fretsaw heart yearn, this preprocess method can improve the adhesive force of resin binder effectively, thereby has ensured cutting accuracy and the cutting efficiency of diamond fretsaw, has prolonged the service life of diamond fretsaw.
For achieving the above object, the invention provides following technical scheme:
A kind of preprocess method of diamond fretsaw heart yearn, the method comprising the steps of:
1) roughening being carried out on the heart yearn surface processes;
2) heart yearn is placed pure water carry out ultrasonic cleaning;
3) heart yearn being carried out drying processes.
Preferably, in the said method, described step 1) comprising:
Adopt the polishing roller to be polished in the heart yearn surface; Perhaps,
Adopt acid solution that the heart yearn surface is corroded.
Preferably, in the said method, in step 3) also comprise afterwards:
4) activation processing is carried out on the heart yearn surface.
Preferably, in the said method, described step 4) comprising:
Place Phosphating Solution, passivating solution or metal coupling agent to carry out activation processing heart yearn.
Preferably, in the said method, described metal coupling agent comprises silane coupler.
Preferably, in the said method, described step 4) comprising:
It is that 14%～17% passivating solution carries out activation processing that heart yearn is placed concentration;
Heart yearn after the activation processing is cured in 30～90 ℃ baking oven.
Preferably, in the said method, in step 2) also comprise before:
Ultrasonic degreasing is carried out on the heart yearn surface to be processed.
The present invention also provides a kind of pretreatment system of diamond fretsaw heart yearn, and this system comprises:
Be used for the roughening device that roughening is processed is carried out on the heart yearn surface;
For the cleaning device that the heart yearn after the roughening processing is carried out the pure water ultrasonic cleaning;
Be used for the withering drying device of heart yearn after cleaning.
Preferably, said system also comprises:
Be used for removing the degreasing plant of heart yearn surface metal residue or grease;
Be used for dried heart yearn surface is carried out the activating apparatus of activation processing.
Preferably, in the said system, described activating apparatus comprises:
Phosphating Solution treating apparatus, passivating solution treating apparatus or metal coupling agent treating apparatus.
Can find out from technique scheme, the preprocess method of diamond fretsaw heart yearn provided by the present invention comprises: 1) roughening is carried out on the heart yearn surface and process; 2) heart yearn is placed pure water carry out ultrasonic cleaning; 3) heart yearn being carried out drying processes.By the present invention, before diamond fretsaw is produced, the diamond fretsaw heart yearn is carried out surface roughening to be processed, thereby the surface area of diamond fretsaw heart yearn and roughness are increased, therefore can increase the adhesive force of resin binder on the diamond fretsaw heart yearn, reduced resin binder because of the block obscission odds of the inadequate and related diamond particles of adhesive force, also reduced the diamond fretsaw phenomenon odds that in cutting process, breaks owing to cutting force is not enough, thereby ensured the cutting accuracy of diamond fretsaw, cutting efficiency, and prolonged service life of diamond fretsaw, reduced the waste that is cut material.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The schematic flow sheet of a kind of diamond fretsaw heart yearn preprocess method that Fig. 1 provides for the embodiment of the invention;
The schematic flow sheet of the another kind of diamond fretsaw heart yearn preprocess method that Fig. 2 provides for the embodiment of the invention;
The structural representation of a kind of diamond fretsaw heart yearn pretreatment system that Fig. 3 provides for the embodiment of the invention;
The course of work schematic diagram of a kind of diamond fretsaw heart yearn pretreatment system that Fig. 4 provides for the embodiment of the invention;
The course of work schematic diagram of the another kind of diamond fretsaw heart yearn pretreatment system that Fig. 5 provides for the embodiment of the invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment one
With reference to figure 1, the schematic flow sheet of a kind of diamond fretsaw heart yearn preprocess method that Fig. 1 provides for the embodiment of the invention, described method comprises step:
Step S1: roughening is carried out on the heart yearn surface process.
The roughening processing is carried out on the heart yearn surface two kinds of implementations can be arranged: the one, adopt the polishing roller to be polished in the heart yearn surface; Another is to adopt acid solution that the heart yearn surface is corroded.
For the first situation, can wrap sand paper (model for example is No. 1000) on polishing roller surface, and described heart yearn is entered between two polishing rollers along specific guide wheel, two polishing rollers rotate in opposite direction, and polishing roller velocity of rotation should be less than the speed of heart yearn along the guide wheel transmission, and the relative velocity that both can be set particularly is 0.05m/s.Heart yearn after the polishing of economy-combat grinding roller, its surface can be polished certain pit, and then has increased the roughness on heart yearn surface, has also increased the surface area of heart yearn simultaneously.
For the second situation, used acid solution can be bichromate solution, by acid liquid corrosion, can make equally the heart yearn surface certain pit occur, and then increase roughness and the surface area on heart yearn surface.
Step S2: heart yearn is carried out the pure water ultrasonic cleaning.
Place the pure water ultrasonic cleaning equipment to carry out the pure water ultrasonic cleaning heart yearn, described pure water ultrasonic cleaning equipment is with overflow device.Ultrasound intensity can be set in the cleaning process about 10, can remove metallic residue that the heart yearn surface produces or acid solution and other spots of heart yearn surface of adhesive tape by the pure water ultrasonic cleaning when roughening is processed.
Step S3: heart yearn is carried out drying process.
Make heart yearn after the cleaning by hot hair dryer, dry up the moisture on heart yearn surface.
As from the foregoing, diamond fretsaw heart yearn preprocess method provided by the present invention, process by the heart yearn surface being carried out roughening, can increase surface area and the roughness of diamond fretsaw heart yearn, compare the ungrease treatment in the existing technique, can increase the adhesive force of resin binder on the diamond fretsaw heart yearn, reduce resin binder because of the block obscission odds of the inadequate and related diamond particles of adhesive force, also can reduce the diamond fretsaw phenomenon odds that in cutting process, breaks owing to cutting force is not enough, thereby ensured the cutting accuracy of diamond fretsaw, cutting efficiency, and prolonged service life of diamond fretsaw, reduced the waste that is cut material.
Embodiment two
Describe in detail among the embodiment one preprocess method that roughening is processed is carried out on diamond fretsaw heart yearn surface, on the basis of embodiment one, the present embodiment is described in detail in conjunction with degreasing and the activation processing preprocess method to the diamond fretsaw heart yearn again.
With reference to figure 2, the schematic flow sheet of the another kind of diamond fretsaw heart yearn preprocess method that Fig. 2 provides for the embodiment of the invention, the method comprises the steps:
Step S11: roughening is carried out on the heart yearn surface process.
As described in step S1 among the embodiment one, the roughening processing is carried out on the heart yearn surface.Need to prove, process if by acid solution roughening is carried out on the heart yearn surface, then also need after this step carry out the pure water ultrasonic cleaning to the heart yearn surface, removing the acid solution on heart yearn surface, and then carry out next step.
Step S12: heart yearn is carried out ultrasonic degreasing process.
It is about 1% alkaline defatting agent that heart yearn is placed concentration, and heart yearn is carried out ultrasonic degreasing, ultrasound intensity can be set about 10, with residues such as the metallic residue of removing the heart yearn surface, greases.The temperature of described alkaline defatting agent can be controlled between 55-60 ℃; The pH value can be controlled between the 10-12, if decrease in the pH value of heart yearn being carried out alkaline defatting agent described in the ungrease treatment process, then can add degreasing agent.By ultrasonic mode heart yearn is carried out ungrease treatment in this step, can increase molecular motion owing to ultrasonic, therefore can make the grease on heart yearn surface and impurity break away from fast the heart yearn surface, reach the purpose of rapid cleaning.
Step S13: heart yearn is carried out the pure water ultrasonic cleaning.
Heart yearn is carried out processing such as the described pure water ultrasonic cleaning of step S2 among the embodiment one, removing the degreasing agent on heart yearn surface, and the pH value on heart yearn surface is returned to about 7.
Step S14: heart yearn is carried out drying process.
With step S3 among the embodiment one.
Step S15: activation processing is carried out on the heart yearn surface.
Particularly, heart yearn can be placed Phosphating Solution, passivating solution or metal coupling agent to carry out activation processing.The below describes respectively heart yearn carries out activation processing in these three kinds of solution detailed process:
(1) heart yearn is placed Phosphating Solution about 55 ℃, acidity, total acidity and acid that the configuration of described Phosphating Solution all needs to require according to Phosphating Solution are than regulating.After finishing, phosphatization forms the layer of metal crystallizing layer on the heart yearn surface.
(2) passivating solution that heart yearn is placed concentration (decide according to the passivator active constituent content) between 14%-17%, the heart yearn after the passivation is at 30～90 ℃ curing oven.Both contain the ion that can form with heart yearn chemical bond in the described passivating solution, contained again the organic molecule chain that can be combined with resin binder, so that form chemical bond between heart yearn and the resin binder, strengthened the adhesive force of resin binder.
(3) heart yearn is placed the metal coupling agent of concentration about 1%, so that metal coupling agent on the heart yearn surface adhesion, make afterwards heart yearn that surface adhesion has a metal coupling agent at 70～110 ℃ curing oven.Described metal coupling agent can form chemical bond with metal core wire, again can be crosslinked with resin binder, therefore, by the heart yearn after the metal coupling agent activation processing, can greatly improve the bonding force between itself and the resin binder.Preferably, described metal coupling agent can be silane coupler.
Compare with embodiment one, the diamond fretsaw heart yearn preprocess method that the present embodiment provides, except diamond fretsaw heart yearn surface being carried out the roughening processing, also it degreasing and activation processing have been carried out, described ungrease treatment can be removed the grease on heart yearn surface and metallic particles etc. effectively, guarantee the cleanliness factor on heart yearn surface, thereby lay the first stone for the bonding force between follow-up raising heart yearn and the resin binder; By activation processing, take chemical reagent as medium, between resin binder and heart yearn, form chemical bond, thereby can strengthen resin binder at the adhesive force on heart yearn surface.
Need to prove, although the preliminary treatment to the diamond fretsaw heart yearn comprises roughening processing, degreasing and activation processing among the embodiment two,, also can only adopt the combination of wherein a kind of or two kinds among other embodiment.Certainly, preprocess method described in the embodiment two is a kind of more excellent embodiment.
In order to prove that diamond fretsaw heart yearn preprocess method provided by the present invention can improve the bonding force between heart yearn and the resin binder, describe below in conjunction with concrete test data.
Choose seven pairs of identical not pretreated diamond fretsaw heart yearns (heart yearn in this test is steel wire), make every a pair of following test of carrying out respectively:
Test example 1
Use degreasing agent that first pair of heart yearn carried out ultrasonic degreasing, then it is bonded together by resin binder, at 140 ℃ of lower precuring 10min, again at 150 ℃ of lower 20min that solidify, afterwards in omnipotent stretching aircraft measurements hot strength, characterize bonding force between resin binder and the heart yearn with the size of hot strength.
Test example 2
Make second pair of heart yearn carry out roughening by the polishing roller and process, described in the step S1, re-use the degreasing agent ultrasonic degreasing among polishing condition such as the embodiment one, subsequent treatment is identical with test example 1.
Test example 3
Make the 3rd pair with the 4th pair of heart yearn carry out with test example 2 in identical roughening process and ungrease treatment, then these two pairs of heart yearns are placed on respectively to contain and soak (concentration is 1%) in zirconium coupling agent and the silane coupler, 80 ℃ of lower oven dry, subsequent treatment is identical with test example 1 afterwards.
Test example 4
Make the 5th pair with the 6th pair of heart yearn carry out with test example 2 in identical roughening process and ungrease treatment, then apply respectively on these two pairs of heart yearn surfaces and contain chromium passivating agent and chrome-free tanning agent (concentration is 20%), 100 ℃ of lower oven dry, subsequent treatment is similar to test example 1 afterwards.
Test example 5
Make the 7th pair of heart yearn carry out with test example 2 in identical roughening process and ungrease treatment, then make this that heart yearn is soaked 2min in temperature is 55 ℃ Phosphating Solution, oven dry, subsequent treatment is identical with test example 1.
Above-mentioned seven pairs of heart yearns are through the bonding force between itself and the resin binder of test after the different preliminary treatment, and the data obtained sees Table 1.
Table 1
By test example in the table 12 and test example 1 Data Comparison as can be known, hot strength through the heart yearn after the polishing (roughening processing) increases, reason is: after the polishing, the contact area on heart yearn surface increases, roughness increases, thereby the bonding force between heart yearn and the resin binder is increased, final so that hot strength increases, therefore roughening is processed the bonding force that helps to strengthen between resin binder and the heart yearn; By test example 3-1 and test example 1 data as can be known, through containing the heart yearn after zirconium coupling agent is processed, its hot strength does not rise counter falling, and illustrates that this adhesion that contains between zirconium coupling agent and metal and the resin is bad; By test example 3-2 and test example 1 data as can be known, the heart yearn after silane coupler is processed, its hot strength raises, and illustrates that silane coupler can strengthen the bonding force between resin binder and the heart yearn; By test example 4 (comprising 4-1 and 4-2) and test example 1 Data Comparison as can be known, after the Passivation Treatment, hot strength raises, and illustrates that Passivation Treatment can strengthen the bonding force between resin binder and the heart yearn; By the data of test example 5, test example 3-2 and test example 4 as can be known, heart yearn after bonderite is processed, its hot strength rises few, this may be because the crystalline state of this bonderite on heart yearn is not good, but with respect to test example 1, heart yearn after bonderite is processed also can strengthen the bonding force between heart yearn and the resin binder effectively.
In summary, diamond fretsaw heart yearn preprocess method provided by the present invention, can effectively strengthen the bonding force between heart yearn and the resin binder, and then behind this diamond fretsaw of generate subsequent output, diamond particles is bonded on the described heart yearn securely by resin binder, thereby reduced the related diamond particles obscission of resin binder odds, also reduced in the cutting process because of the cutting force deficiency phenomenon odds that causes breaking, but the cutting accuracy of final ensuring funds diamond wire saw, cutting efficiency, and can prolong service life of diamond fretsaw, reduce the waste that is cut material.
Embodiment three
The above describes the preprocess method of diamond fretsaw heart yearn provided by the present invention in detail, and lower mask body is introduced the pretreatment system of diamond fretsaw heart yearn provided by the present invention.
With reference to figure 3, Fig. 3 is the pretreatment system structural representation of a kind of diamond fretsaw heart yearn provided by the present invention, and this pretreatment system comprises: be used for the roughening device 101 that roughening is processed is carried out on the heart yearn surface; Be used for removing the degreasing plant 102 of heart yearn surface metal residue or grease; For the cleaning device 103 that the heart yearn after the roughening processing is carried out the pure water ultrasonic cleaning; Be used for the withering drying device 104 of heart yearn after cleaning; Be used for dried heart yearn surface is carried out the activating apparatus 105 of activation processing.
Wherein, described roughening device 101 can be polishing roller or acid liquid corrosion device; Described drying device 104 can be air-heater; Described activating apparatus 105 can comprise: each chemical processing device such as Phosphating Solution treating apparatus, passivating solution treating apparatus or metal coupling agent treating apparatus.
Describe the course of work of diamond fretsaw heart yearn pretreatment system provided by the present invention in detail below in conjunction with object lesson.
With reference to figure 4, the heart yearn 2 that payoff reel 1 has been shown among Fig. 4 and has been released by payoff reel 1, described heart yearn 2 is being transferred under the effect of guide wheel 3 between two polishing rollers 4, heart yearn 2 economy-combat grinding rollers 4 enter the degreasing bath 5 that is provided with ultrasonic generator 6 along guide wheel 3 after polishing, heart yearn 2 carries out entering pure water potcher 7 along guide wheel 3 behind the ultrasonic degreasing in degreasing bath 5, heart yearn 2 after the pure water rinsing is along the process of direction shown in the guide wheel 3 air-heater 8, enter chemical treating tank 9 through air-heater 8 dried heart yearns 2 along guide wheel 3, heart yearn 2 carries out activation processing and enters baking oven 10 by guide wheel 3 and be cured in chemical treating tank 9, from baking oven 10 out, finish preprocessing process afterwards.
Can be surrounded by No. 1000 sand paper on the polishing roller 4, the speed of polishing roller 4 will be slower than the transmission speed of heart yearn 2, and the relative velocity that can make both is 0.05m/s.
Degreasing bath 5 is interior can splendid attire concentration to be 1% alkaline defatting agent, the temperature that can control described alkaline defatting agent between 55-60 ℃, the pH value between 10-12, after the pH of alkaline defatting agent value reduces, can add degreasing agent; Control degreasing bath 5 interior ultrasound intensities are about 10.
Chemical treating tank 9 interior can the splendid attire Phosphating Solution, passivating solution or metal coupling agent etc.; During the splendid attire Phosphating Solution, acidity, total acidity and acid that the configuration of described Phosphating Solution all needs to require according to Phosphating Solution are than regulating, and phosphatization temperature can be controlled in about 55 ℃; During the splendid attire passivating solution, the configuration concentration of passivating solution can be between 14%-17%, and the heart yearn after the passivation must be cured at 30～90 ℃ baking oven; During splendid attire metal coupling agent, the concentration of metal coupling agent can be about 1%, and the heart yearn that is stained with the metal coupling agent should be cured at 70～110 ℃ baking oven.
With reference to figure 5, Fig. 5 is another course of work schematic diagram of diamond fretsaw heart yearn pretreatment system provided by the present invention.Compare with Fig. 4, heart yearn 2 among this figure is not out polished afterwards by payoff reel 1, but enter acid corrosion groove 11 through guide wheel 3, heart yearn 2 behind acid liquid corrosion enters pure water potcher 12 along guide wheel 3, to rinse the acid solution on heart yearn 2 surfaces, enter successively degreasing bath 5, pure water potcher 7, air-heater 8, chemical treating tank 9 and the baking oven 10 that is provided with ultrasonic generator 6 along guide wheel 3 afterwards.
Described acid corrosion groove 11 is interior can the splendid attire bichromate solution, and heart yearn 2 surfaces will be etched into rough structure after the bichromate solution corrosion, thereby increase its surface area; Carry out afterwards ultrasonic cleaning in pure water potcher 12, can control ultrasound intensity about 10, to remove the dichromic acid on heart yearn 2 surfaces, the processing procedure of back is same as shown in Figure 4, repeats no more.
Heart yearn after diamond fretsaw heart yearn pretreatment system provided by the present invention is processed, can improve the bonding force between heart yearn and the resin binder, and then can be behind generate subsequent output diamond fretsaw, can strengthen diamond particles and be attached to adhesive force on the heart yearn, thereby reduced the generation of diamond particles obscission, reduced in the cutting process generation because of the not enough phenomenon that breaks of cutting force, cutting accuracy, the cutting efficiency of diamond fretsaw have been improved, prolong the service life of diamond fretsaw, reduced the waste that is cut material.
Technical scheme of the present invention has proposed by surface roughening processing and/or ungrease treatment and/or activation processing preliminary treatment to be carried out on diamond fretsaw heart yearn surface; so for arbitrary mode in these three kinds of processing modes or arbitrarily both combination or three's combination and the heart yearn pretreating scheme that forms all belongs to protection scope of the present invention; various chemical reagent mentioned in the while technique scheme are including, but not limited to described degreasing agent; silane coupler; bichromate solution; Phosphating Solution; passivating solution, other can replace described chemical reagent to realize that the chemical reagent of described function is all within technical scheme protection domain of the present invention.
Description to each embodiment among the present invention emphasizes particularly on different fields a little, relevant, mutually reference of similarity.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, in other embodiments realization.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. the preprocess method of a diamond fretsaw heart yearn is characterized in that, comprises step:
1) roughening being carried out on the heart yearn surface processes;
2) heart yearn is placed pure water carry out ultrasonic cleaning;
3) heart yearn being carried out drying processes.
2. method according to claim 1 is characterized in that, described step 1) comprising:
Adopt the polishing roller to be polished in the heart yearn surface; Perhaps,
Adopt acid solution that the heart yearn surface is corroded.
3. method according to claim 1 is characterized in that, in step 3) also comprise afterwards:
4) activation processing is carried out on the heart yearn surface.
4. method according to claim 3 is characterized in that, described step 4) comprising:
Place Phosphating Solution, passivating solution or metal coupling agent to carry out activation processing heart yearn.
5. method according to claim 4 is characterized in that, described metal coupling agent comprises silane coupler.
6. method according to claim 4 is characterized in that, described step 4) comprising:
It is that 14%～17% passivating solution carries out activation processing that heart yearn is placed concentration;
Heart yearn after the activation processing is cured in 30～90 ℃ baking oven.
7. method according to claim 1 is characterized in that, in step 2) also comprise before:
Ultrasonic degreasing is carried out on the heart yearn surface to be processed.
8. the pretreatment system of a diamond fretsaw heart yearn is characterized in that, comprising:
Be used for the roughening device that roughening is processed is carried out on the heart yearn surface;
For the cleaning device that the heart yearn after the roughening processing is carried out the pure water ultrasonic cleaning;
Be used for the withering drying device of heart yearn after cleaning.
9. system according to claim 8 is characterized in that, described system also comprises:
Be used for removing the degreasing plant of heart yearn surface metal residue or grease;
Be used for dried heart yearn surface is carried out the activating apparatus of activation processing.
10. system according to claim 9 is characterized in that, described activating apparatus comprises:
Phosphating Solution treating apparatus, passivating solution treating apparatus or metal coupling agent treating apparatus.
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| CN201110206922.4A CN102886569B (en) | 2011-07-22 | 2011-07-22 | Pre-treatment method and pre-treatment system for core wire of diamond wire saw |
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| CN201110206922.4A CN102886569B (en) | 2011-07-22 | 2011-07-22 | Pre-treatment method and pre-treatment system for core wire of diamond wire saw |
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| CN102886569B (en) | 2014-10-29 |
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