CN102886569B - 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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- CN102886569B CN102886569B CN201110206922.4A CN201110206922A CN102886569B CN 102886569 B CN102886569 B CN 102886569B CN 201110206922 A CN201110206922 A CN 201110206922A CN 102886569 B CN102886569 B CN 102886569B
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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 50
- 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 5
- 238000012545 processing Methods 0.000 claims description 50
- 229910052751 metal Inorganic materials 0.000 claims description 27
- 239000002184 metal Substances 0.000 claims description 27
- 230000004913 activation Effects 0.000 claims description 21
- 239000007822 coupling agent Substances 0.000 claims description 21
- 238000005238 degreasing Methods 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 16
- 238000005498 polishing Methods 0.000 claims description 16
- 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 6
- 238000005520 cutting process Methods 0.000 abstract description 46
- 239000011347 resin Substances 0.000 abstract description 34
- 229920005989 resin Polymers 0.000 abstract description 34
- 239000000853 adhesive Substances 0.000 abstract description 13
- 230000001070 adhesive effect Effects 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 9
- 239000002245 particle Substances 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000003247 decreasing effect Effects 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 description 31
- 238000012360 testing method Methods 0.000 description 27
- 238000001994 activation Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 11
- 239000003795 chemical substances by application Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 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
- 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
- 244000137852 Petrea volubilis Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 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
- 238000010009 beating Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 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
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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- 150000002500 ions Chemical class 0.000 description 1
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- 238000011084 recovery Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004575 stone Substances 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; due to 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 scientific and technological development, 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 good cutting effect, have good cutting accuracy.Diamond fretsaw is as the good cutting tool of a kind of cutting effect, and because it has, joint-cutting is narrow, volume recovery is high; The fragile materials such as cutting process is steady, cutting silicon wafer do not collapse limit; Energy cutting large size workpiece; Cutting temperature is low, and cut surface is without ablation vestige; Environmental pollution is little; Cutting accuracy advantages of higher is widely used in process that the cutting of high hardness material, particularly crystalline silicon cut into silicon chip.
In prior art, a kind of common diamond fretsaw is by resin binder, very little diamond particles to be bonded in diamond fretsaw metal core wire and to be prepared from.Yet; in the process of cutting at diamond fretsaw; diamond fretsaw heart yearn is because the adhesive force of resin binder is inadequate; the phenomenon that usually there will be the related diamond particles bulk of resin binder to come off; the cutting force of diamond fretsaw is declined; the phenomenon that even there will be diamond fretsaw break because cutting force is not enough in cutting process, thus service life of cutting accuracy, cutting efficiency and the diamond fretsaw of diamond fretsaw affected, cause the waste that is cut material.Meanwhile, owing to being used for preparing the crystalline silicon of silicon chip of solar cell, be valuable raw material, occur that this phenomenon also can have a strong impact on the economic benefit of enterprise.
Therefore, before diamond fretsaw is produced, need to carry out good pretreatment to diamond fretsaw heart yearn, to improve the adhesive force of resin binder, the cutting accuracy of ensuring funds diamond wire saw and cutting efficiency extend service life of diamond fretsaw simultaneously.In prior art, before diamond fretsaw is produced, the pretreatment of heart yearn is just carried out to 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 extended the service life of diamond fretsaw.
For achieving the above object, the invention provides following technical scheme:
A preprocess method for diamond fretsaw heart yearn, the method comprising the steps of:
1) roughening processing is carried out in heart yearn surface;
2) heart yearn is placed in to pure water and carries out ultrasonic cleaning;
3) heart yearn is dried to processing.
Preferably, in said method, described step 1) comprising:
Adopt polishing roller to polish to heart yearn surface; Or,
Adopt acid solution to corrode heart yearn surface.
Preferably, in said method, in step 3) also comprise afterwards:
4) activation processing is carried out in heart yearn surface.
Preferably, in said method, described step 4) comprising:
Heart yearn is placed in to Phosphating Solution, passivating solution or metal coupling agent and carries out activation processing.
Preferably, in said method, described metal coupling agent comprises silane coupler.
Preferably, in said method, described step 4) comprising:
It is that 14%～17% passivating solution carries out activation processing that heart yearn is placed in to concentration;
Heart yearn after activation processing is cured in the baking oven of 30～90 ℃.
Preferably, in said method, in step 2) also comprise before:
Ultrasonic degreasing processing is carried out in heart yearn surface.
The present invention also provides a kind of pretreatment system of diamond fretsaw heart yearn, and this system comprises:
For the roughening device that roughening processing is carried out in heart yearn surface;
The cleaning device that carries out pure water ultrasonic cleaning for the heart yearn after roughening is processed;
For the withering drying device of heart yearn to after cleaning.
Preferably, said system also comprises:
For removing the degreasing plant of heart yearn surface metal residue or grease;
For dried heart yearn surface being carried out to the activating apparatus of activation processing.
Preferably, in said system, described activating apparatus comprises:
Phosphating Solution treating apparatus, passivating solution treating apparatus or metal coupling agent treating apparatus.
From technique scheme, can find out, the preprocess method of diamond fretsaw heart yearn provided by the present invention comprises: 1) roughening processing is carried out in heart yearn surface; 2) heart yearn is placed in to pure water and carries out ultrasonic cleaning; 3) heart yearn is dried to processing.By the present invention, before diamond fretsaw is produced, diamond fretsaw heart yearn is carried out to surface roughening processing, thereby can make the surface area of diamond fretsaw heart yearn and roughness increase, therefore can increase the adhesive force of resin binder on 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 breaks because cutting force is not enough in cutting process, thereby ensured the cutting accuracy of diamond fretsaw, cutting efficiency, and extended service life of diamond fretsaw, reduced the waste of cut material.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of 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 present 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 present invention;
The structural representation of a kind of diamond fretsaw heart yearn pretreatment system that Fig. 3 provides for the embodiment of the present 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 present 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 present invention.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment mono-
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 present invention, described method comprises step:
Step S1: roughening processing is carried out in heart yearn surface.
Roughening processing is carried out in heart yearn surface and can have two kinds of implementations: the one, adopt polishing roller to polish to heart yearn surface; Another is to adopt acid solution to corrode heart yearn surface.
For the first situation, can wrap sand paper (model is for example No. 1000) beating 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 heart yearn along the speed of guide wheel transmission, and the relative velocity that both can be set is particularly 0.05m/s.Heart yearn after the polishing of economy-combat grinding roller, its surface can be polished out 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, acid solution used can be bichromate solution, by acid liquid corrosion, can make equally heart yearn surface occur certain pit, and then increase roughness and the surface area on heart yearn surface.
Step S2: heart yearn is carried out to pure water ultrasonic cleaning.
Heart yearn is placed in to pure water ultrasonic cleaning equipment and carries out pure water ultrasonic cleaning, described pure water ultrasonic cleaning equipment is with overflow device.Ultrasound intensity can be set in 10 left and right in cleaning process, by pure water ultrasonic cleaning, can remove metallic residue that heart yearn surface produces when roughening is processed or acid solution and other spots of heart yearn surface of adhesive tape.
Step S3: heart yearn is dried to processing.
Make the heart yearn after cleaning pass through 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, by roughening processing is carried out in heart yearn surface, can increase surface area and the roughness of diamond fretsaw heart yearn, compare the ungrease treatment in existing technique, can increase the adhesive force of resin binder on 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 breaks because cutting force is not enough in cutting process, thereby ensured the cutting accuracy of diamond fretsaw, cutting efficiency, and extended service life of diamond fretsaw, reduced the waste of cut material.
Embodiment bis-
In embodiment mono-, describe the preprocess method that roughening processing is carried out in diamond fretsaw heart yearn surface in detail, on the basis of embodiment mono-, the present embodiment is described in detail the preprocess method of diamond fretsaw heart yearn in conjunction with degreasing and activation processing 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 present invention, the method comprises the steps:
Step S11: roughening processing is carried out in heart yearn surface.
As described in step S1 in embodiment mono-, roughening processing is carried out in heart yearn surface.It should be noted that, if roughening processing is carried out in heart yearn surface by acid solution, after this step, also need heart yearn surface to carry out pure water ultrasonic cleaning, to remove the acid solution on heart yearn surface, and then carry out next step.
Step S12: heart yearn is carried out to ultrasonic degreasing processing.
Heart yearn is placed in to the alkaline defatting agent that concentration is 1% left and right, heart yearn is carried out to ultrasonic degreasing, ultrasound intensity can be set in 10 left and right, to remove the residue such as metallic residue, grease on heart yearn surface.The temperature of described alkaline defatting agent can be controlled between 55-60 ℃; PH value can be controlled between 10-12, if decrease in the pH value of heart yearn being carried out to alkaline defatting agent described in ungrease treatment process, can add degreasing agent.In this step, by ultrasonic mode, heart yearn is carried out to ungrease treatment, due to ultrasonic, can increase molecular motion, therefore can make the grease on heart yearn surface and impurity depart from fast heart yearn surface, reach the object of rapid cleaning.
Step S13: heart yearn is carried out to pure water ultrasonic cleaning.
The pure water ultrasonic cleaning that heart yearn is carried out as described in step S2 in embodiment mono-is processed, and to remove the degreasing agent on heart yearn surface, and the pH value on heart yearn surface is returned to 7 left and right.
Step S14: heart yearn is dried to processing.
With step S3 in embodiment mono-.
Step S15: activation processing is carried out in heart yearn surface.
Particularly, heart yearn can be placed in to Phosphating Solution, passivating solution or metal coupling agent and carry out activation processing.Describe respectively heart yearn below and in these three kinds of solution, carry out the detailed process of activation processing:
(1) heart yearn is placed in to the Phosphating Solution of 55 ℃ of left and right, the acidity that the configuration of described Phosphating Solution all need require according to Phosphating Solution, total acidity and acid are than regulating.After finishing, phosphatization forms layer of metal crystallizing layer on heart yearn surface.
(2) heart yearn is placed in to the passivating solution that concentration (is determined according to passivator active constituent content) between 14%-17%, the heart yearn after passivation is at the curing oven of 30～90 ℃.In described passivating solution, both contained and can form the ion of chemical bond with heart yearn, contained again the organic molecule chain that can be combined with resin binder, and made to form chemical bond between heart yearn and resin binder, strengthened the adhesive force of resin binder.
(3) heart yearn is placed in to concentration at the metal coupling agent of 1% left and right, makes metal coupling agent in heart yearn surface adhesion, make afterwards heart yearn that surface adhesion has a metal coupling agent at the curing oven of 70～110 ℃.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 metal coupling agent activation processing, can greatly improve the bonding force between itself and resin binder.Preferably, described metal coupling agent can be silane coupler.
Compare with embodiment mono-, the diamond fretsaw heart yearn preprocess method that the present embodiment provides, except diamond fretsaw heart yearn surface is carried out roughening processing, also it has been carried out to degreasing and activation processing, 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 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.
It should be noted that, although in embodiment bis-, the pretreatment of diamond fretsaw heart yearn is comprised to roughening processing, degreasing and activation processing,, in other embodiment, also can only adopt the combination of wherein a kind of or two kinds.Certainly, preprocess method described in embodiment bis-is a kind of preferably 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 resin binder, below in conjunction with concrete test data, describe.
Choose seven pairs of identical not pretreated diamond fretsaw heart yearns (heart yearn in this test is steel wire), make every a pair ofly test as follows respectively:
Test example 1
Use degreasing agent to carry out ultrasonic degreasing to first pair of heart yearn, then it is bonded together by resin binder, precuring 10min at 140 ℃, at 150 ℃, solidify again 20min, in omnipotent stretching aircraft measurements hot strength, by the size of hot strength, characterize the bonding force between resin binder and heart yearn afterwards.
Test example 2
Make second pair of heart yearn carry out roughening processing by polishing roller, polishing condition, described in step S1 in embodiment mono-, re-uses degreasing agent ultrasonic degreasing, and subsequent treatment is identical with test example 1.
Test example 3
Make the 3rd pair and 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 containing soaking (concentration is 1%) in zirconium coupling agent and silane coupler, at 80 ℃, dry afterwards, subsequent treatment is identical with test example 1.
Test example 4
Make the 5th pair and the 6th pair of heart yearn carry out with test example 2 in identical roughening process and ungrease treatment, then on these two pairs of heart yearn surfaces, apply respectively containing chromium passivating agent and chrome-free tanning agent (concentration is 20%), at 100 ℃, dry afterwards, subsequent treatment is similar to test example 1.
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 to heart yearn, in temperature is the Phosphating Solution of 55 ℃, soak 2min, dry, subsequent treatment is identical with test example 1.
Above-mentioned seven pairs of heart yearns are tested the bonding force between itself and resin binder after different pretreatment, and the data obtained is in Table 1.
Table 1
Known by test example in table 12 and test example 1 Data Comparison, the hot strength of the heart yearn after polishing (roughening processing) increases, reason is: after polishing, the contact area on heart yearn surface increases, roughness increases, thereby can make the bonding force between heart yearn and resin binder increase, finally make hot strength increase, therefore roughening is processed, contribute to strengthen the bonding force between resin binder and heart yearn; From test example 3-1 and test example 1 data, the heart yearn after processing containing zirconium coupling agent, its hot strength does not rise counter falling, and illustrates that this adhesion containing between zirconium coupling agent and metal and resin is bad; From test example 3-2 and test example 1 data, 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 heart yearn; From test example 4 (comprising 4-1 and 4-2) and test example 1 Data Comparison, after Passivation Treatment, hot strength raises, and illustrates that Passivation Treatment can strengthen the bonding force between resin binder and heart yearn; Data from test example 5, test example 3-2 and test example 4, heart yearn after bonderite is processed, its hot strength rises few, this may be because the crystalline state of bonderite on heart yearn is not good for this reason, but with respect to test example 1, heart yearn after bonderite is processed, also can strengthen the bonding force between heart yearn and 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 resin binder, and then after this diamond fretsaw of generate subsequent output, can make diamond particles be bonded in securely on described heart yearn by resin binder, thereby reduced the related diamond particles obscission of resin binder odds, also reduced in cutting process because of the cutting force deficiency phenomenon odds that causes breaking, cutting accuracy that finally can ensuring funds diamond wire saw, cutting efficiency, and can extend service life of diamond fretsaw, reduce the waste of cut material.
Embodiment tri-
Describe the preprocess method of diamond fretsaw heart yearn provided by the present invention above in detail, 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: for heart yearn surface being carried out to the roughening device 101 of roughening processing; For removing the degreasing plant 102 of heart yearn surface metal residue or grease; The cleaning device 103 that carries out pure water ultrasonic cleaning for the heart yearn after roughening is processed; For the withering drying device 104 of heart yearn to after cleaning; For dried heart yearn surface being carried out to 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 devices such as Phosphating Solution treating apparatus, passivating solution treating apparatus or metal coupling agent treating apparatus.
Below in conjunction with object lesson, describe the course of work of diamond fretsaw heart yearn pretreatment system provided by the present invention in detail.
With reference to figure 4, the heart yearn 2 that payoff reel 1 has been shown in Fig. 4 and has been released by payoff reel 1, described heart yearn 2 is transferred between two polishing rollers 4 under the effect of guide wheel 3, heart yearn 2 economy-combat grinding rollers 4 are polished the rear degreasing bath 5 that is provided with ultrasonic generator 6 that enters along guide wheel 3, heart yearn 2 carries out along guide wheel 3, entering pure water potcher 7 after ultrasonic degreasing in degreasing bath 5, heart yearn 2 after pure water rinsing is along the process of direction shown in guide wheel 3 air-heater 8, through the dried heart yearn 2 of air-heater 8, along guide wheel 3, enter chemical treating tank 9, heart yearn 2 carries out activation processing and by guide wheel 3, enters baking oven 10 and be cured in chemical treating tank 9, afterwards from baking oven 10 out, complete preprocessing process.
On polishing roller 4, can be surrounded by the sand paper of No. 1000, 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 interior can splendid attire concentration the alkaline defatting agent that is 1%, the temperature that can control described alkaline defatting agent between 55-60 ℃, pH value between 10-12, after the pH of alkaline defatting agent value reduces, can add degreasing agent; Control the interior ultrasound intensity of degreasing bath 5 in 10 left and right.
Chemical treating tank 9 interior can splendid attire Phosphating Solution, passivating solution or metal coupling agent etc.; During splendid attire Phosphating Solution, the acidity that the configuration of described Phosphating Solution all need require according to Phosphating Solution, total acidity and acid are than regulating, and phosphatization temperature can be controlled in 55 ℃ of left and right; During splendid attire passivating solution, the configuration concentration of passivating solution can be between 14%-17%, and the heart yearn after passivation must be cured at the baking oven of 30～90 ℃; During splendid attire metal coupling agent, the concentration of metal coupling agent can be in 1% left and right, and the heart yearn that is stained with metal coupling agent should be cured at the baking oven of 70～110 ℃.
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 in this figure is not out polished afterwards by payoff reel 1, but enter acid corrosion groove 11 through guide wheel 3, heart yearn 2 after acid liquid corrosion enters pure water potcher 12 along guide wheel 3, to rinse the acid solution on heart yearn 2 surfaces, along guide wheel 3, 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 afterwards.
Described acid corrosion groove 11 is interior can splendid attire bichromate solution, and after bichromate solution corrosion, heart yearn 2 surfaces will be etched into rough structure, thereby increase its surface area; In pure water potcher 12, carry out afterwards ultrasonic cleaning, can control ultrasound intensity in 10 left and right, to remove the dichromic acid on heart yearn 2 surfaces, processing procedure is below 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 resin binder, and then can be after generate subsequent output diamond fretsaw, can strengthen diamond particles and be attached to the adhesive force on heart yearn, thereby reduced the generation of diamond particles obscission, reduced in cutting process the generation because of the not enough phenomenon that breaks of cutting force, cutting accuracy, the cutting efficiency of diamond fretsaw have been improved, extend the service life of diamond fretsaw, reduced the waste of cut material.
Technical scheme of the present invention has proposed to process and/or ungrease treatment and/or activation processing are carried out pretreatment to diamond fretsaw heart yearn surface by surface roughening, so for either type in these three kinds of processing modes or both combination or three's combination and the heart yearn pretreating scheme that forms all belongs to protection scope of the present invention arbitrarily, various chemical reagent mentioned in while technique scheme are including, but not limited to described degreasing agent, silane coupler, bichromate solution, Phosphating Solution, passivating solution, other can replace chemical reagent that described chemical reagent realizes described function all within technical scheme protection domain of the present invention.
In the present invention, the description of each embodiment is emphasized particularly on different fields a little, relevant, similarity reference mutually.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.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 (9)
1. a preprocess method for diamond fretsaw heart yearn, is characterized in that, comprises step:
1) roughening processing is carried out in heart yearn surface;
Comprise:
Adopt polishing roller to polish to heart yearn surface;
Or,
Adopt acid solution to corrode heart yearn surface;
2) heart yearn is placed in to pure water and carries out ultrasonic cleaning;
3) heart yearn is dried to processing;
Described heart yearn is metal core wire.
2. method according to claim 1, is characterized in that, in step 3) also comprise afterwards:
4) activation processing is carried out in heart yearn surface.
3. method according to claim 2, is characterized in that, described step 4) comprising:
Heart yearn is placed in to Phosphating Solution, passivating solution or metal coupling agent and carries out activation processing.
4. method according to claim 3, is characterized in that, described metal coupling agent comprises silane coupler.
5. method according to claim 3, is characterized in that, described step 4) comprising:
It is that 14%～17% passivating solution carries out activation processing that heart yearn is placed in to concentration;
Heart yearn after activation processing is cured in the baking oven of 30～90 ℃.
6. method according to claim 1, is characterized in that, in step 2) also comprise before:
Ultrasonic degreasing processing is carried out in heart yearn surface.
7. a pretreatment system for diamond fretsaw heart yearn, is characterized in that, comprising:
For the roughening device that roughening processing is carried out in heart yearn surface;
Comprise:
Adopt polishing roller to polish to heart yearn surface;
Or,
Adopt acid solution to corrode heart yearn surface;
The cleaning device that carries out pure water ultrasonic cleaning for the heart yearn after roughening is processed;
For the withering drying device of heart yearn to after cleaning;
Described heart yearn is metal core wire.
8. system according to claim 7, is characterized in that, described system also comprises:
For removing the degreasing plant of heart yearn surface metal residue or grease;
For dried heart yearn surface being carried out to the activating apparatus of activation processing.
9. system according to claim 8, 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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| CN107297690B (en) * | 2017-07-13 | 2019-05-03 | 张家港市舜辰机械有限公司 | The photochemical method for preparation of heat-resistant antifriction type diamond dust cutting line |
| CN115637475B (en) * | 2022-10-14 | 2023-05-12 | 浙江零轴智能装备有限公司 | Raw wire plating pretreatment process and device for semiconductor parting line |
| CN116160061A (en) * | 2023-02-27 | 2023-05-26 | 唐山博科晶汇科技有限公司 | Manufacturing method of diamond improved wire |
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