CN109015340A - Wear-resistant grinder - Google Patents
Wear-resistant grinder Download PDFInfo
- Publication number
- CN109015340A CN109015340A CN201810880917.3A CN201810880917A CN109015340A CN 109015340 A CN109015340 A CN 109015340A CN 201810880917 A CN201810880917 A CN 201810880917A CN 109015340 A CN109015340 A CN 109015340A
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- China
- Prior art keywords
- wear
- average grain
- grain diameter
- resistant
- abrasive sheet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/12—Lapping plates for working plane surfaces
- B24B37/14—Lapping plates for working plane surfaces characterised by the composition or properties of the plate materials
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of wear-resistant grinders, abrasive sheet is provided in the shaft of this is wear-resistant grinder, the abrasive sheet is prepared by the following method and obtains: 1) tentatively melting lac resin, maleic anhydride, rosin calcium, be subsequently added into acetal resin and carry out second melting to obtain fusant；2) fusant is added in diamond, silica, Brown Alundum, magnesia, talcum powder to mix so that mixture is made, mixture is then laid in the surface of PET polyester film, then cooling, cutting is to be made wear-resistant abrasive sheet；Wherein, the average grain diameter of diamond is 0.2-0.3 μm, and the average grain diameter of silica is 10-15nm, and the average grain diameter of Brown Alundum is 0.02-0.05 μm, and the average grain diameter of magnesia is 8-12nm.The abrasive sheet of the grinder has excellent wear-resisting property.
Description
Technical field
The present invention relates to abrasive sheets, and in particular, to a kind of wear-resistant grinder.
Background technique
Abrasive sheet refers to using ultraprecise coating technique, and selected micron or nanoscale abrasive micropowder and high-performance are bonded
After agent is evenly dispersed, it is coated on high-strength PET polyester film (PET is polyethylene terephthalate) surface, is then passed through
High-precision cuts technique and is process.Abrasive sheet is very extensive with field, such as optical communication field, micromotor field, hard disk
Field etc..Below with regard to specific product application be described in detail: diamond lap piece be applied to optical fiber connector, hard disc magnetic head, disk,
Optical glass, optical crystal, LED, LCD, semiconductor material grinding and polishing；Silicon carbide abrasive sheet is applied to going for ceramic insertion core
The fine-grinding and polishing of glue corase grinding, the grinding and polishing of plastics lock pin, magnetic head；Alumina lap piece be applied to optical fiber connector grinding,
The grinding of silicon chip of solar cell, the removal of hard disk carbon-coating protrusion, the removal of ITO protrusion, optical material grinding and polishing；Oxidation
Cerium abrasive sheet is convex applied to the grinding of optical fiber connector, the grinding of silicon chip of solar cell, the removal of hard disk carbon-coating protrusion, ITO
The grinding and polishing of the removal, optical material that rise；Silica abrasive piece is applied to the final Ultraprecise polished of optical fiber connector.
Although existing abrasive sheet can satisfy in most production requirement, abrasive sheet is in grinding, polishing process
In then there is excessive temperature (or even can 1400 DEG C), but often heat dispersal situations are undesirable for existing abrasive sheet, cannot dissipate in time
It loses and then the hardness of abrasive sheet and mechanical strength is caused to reduce, eventually lead to abrasive sheet intolerant to abrasion.
Summary of the invention
The object of the present invention is to provide a kind of wear-resistant grinder, the abrasive sheet of the grinder has excellent wearability
Energy.
To achieve the goals above, the present invention provides a kind of wear-resistant grinder, in the shaft of this is wear-resistant grinder
It is provided with abrasive sheet, which is prepared by the following method and obtains:
1) lac resin, maleic anhydride, rosin calcium are tentatively melted, is subsequently added into acetal resin and carries out second melting to obtain
To fusant；
2) diamond, silica, Brown Alundum, magnesia, talcum powder are added fusant and mixed so that mixture is made, will then mixed
The surface that object is laid in PET polyester film is closed, then cooling, cutting is to be made wear-resistant abrasive sheet；
Wherein, the average grain diameter of diamond is 0.2-0.3 μm, and the average grain diameter of silica is 10-15nm, the average grain of Brown Alundum
Diameter is 0.02-0.05 μm, and the average grain diameter of magnesia is 8-12nm.
In the above-mentioned technical solutions, the present invention is preferred is modified lac resin by maleic anhydride, rosin calcium
The quantity of the hydroxyl on lac resin is reduced to improve it by hot property, while acetal resin is added and compound and then improves
The heat resistance of binder；In addition, screening is optimized by the partial size to diamond, silica, Brown Alundum, magnesia, from
And improve made of abrasive sheet heat conduction efficiency to improve its performance abrasive sheet, which is installed in the shaft of grinder
So that the grinder has excellent wear-resisting property.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Specific embodiment
Detailed description of the preferred embodiments below.It should be understood that described herein specific
Embodiment is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
The present invention provides a kind of wear-resistant grinder, it is provided with abrasive sheet in the shaft of this is wear-resistant grinder, this grinds
Grinding is prepared by the following method and obtains:
1) lac resin, maleic anhydride, rosin calcium are tentatively melted, is subsequently added into acetal resin and carries out second melting to obtain
To fusant；
2) diamond, silica, Brown Alundum, magnesia, talcum powder are added fusant and mixed so that mixture is made, will then mixed
The surface that object is laid in PET polyester film is closed, then cooling, cutting is to be made wear-resistant abrasive sheet；
Wherein, the average grain diameter of diamond is 0.2-0.3 μm, and the average grain diameter of silica is 10-15nm, the average grain of Brown Alundum
Diameter is 0.02-0.05 μm, and the average grain diameter of magnesia is 8-12nm.
In step 1) of the invention, the dosage of each material can select in a wide range, but in order to further increase
The grinding performance of grinder, it is preferable that in step 1), the weight ratio of lac resin, maleic anhydride, rosin calcium, acetal resin
For 10:1.2-1.6:0.7-1.1:2-5.
In step 1) of the invention, the condition tentatively merged can select in a wide range, but in order to further mention
The grinding performance of high grinder, it is preferable that in step 1), preliminary fusion meets the following conditions: melting temperature 180-195
DEG C, melting time 25-45min.
In step 1) of the invention, the condition of secondary fusion can select in a wide range, but in order to further mention
The grinding performance of high grinder, it is preferable that in step 1), two hyposynchronization fusions meet the following conditions: melting temperature 210-220
DEG C, melting time 25-35min.
In step 2) of the invention, the dosage of each material can select in a wide range, but in order to further increase
The grinding performance of grinder, it is preferable that in step 2, fusant, diamond, silica, Brown Alundum, magnesia, talcum powder
Weight ratio be 15:1-3:42-46:22-25:12-16:5-12.
In step 2) of the invention, the mixed time can select in a wide range, but grind to further increase
The grinding performance of grinding machine, it is preferable that in step 2, the mixed time is 15-25min.
In step 2) of the invention, cooling condition can select in a wide range, but grind to further increase
The grinding performance of grinding machine, it is preferable that cooling to meet the following conditions in step 2: first to be cooled down with the rate of 0.2-0.5 DEG C/min
To 75-80 DEG C and 40-60min is kept the temperature, be then cooled to 40-50 DEG C with the rate of 1.2-1.5 DEG C/min and keeps the temperature 2-4h, finally
Natural cooling.
The present invention will be described in detail by way of examples below.
Embodiment 1
1) lac resin, maleic anhydride, rosin calcium tentatively melted to (melting temperature is 185 DEG C, and the melting time is
35min), it is subsequently added into acetal resin and carries out second melting (melting temperature is 215 DEG C, melting time 30min) to be melted
Melt object (lac resin, maleic anhydride, rosin calcium, acetal resin weight ratio be 10:1.4:0.9:3)；
2) fusant mixing 20min is added in diamond, silica, Brown Alundum, magnesia, talcum powder (to melt so that mixture is made
Melt object, diamond, silica, Brown Alundum, magnesia, talcum powder weight ratio be 15:2:44:23:14:10), then will mixing
Object is laid in the surface of PET polyester film, is then first cooled to 78 DEG C with the rate of 0.4 DEG C/min and keeps the temperature 50min, then with
The rate of 1.4 DEG C/min is cooled to 45 DEG C and keeps the temperature 3h, and last natural cooling is cut so that wear-resistant abrasive sheet A1 is made；
Wherein, the average grain diameter of diamond is 0.25 μm, and the average grain diameter of silica is 13nm, and the average grain diameter of Brown Alundum is
0.04 μm, the average grain diameter of magnesia is 10nm.
Embodiment 2
1) lac resin, maleic anhydride, rosin calcium tentatively melted to (melting temperature is 180 DEG C, and the melting time is
45min), it is subsequently added into acetal resin and carries out second melting (melting temperature is 210 DEG C, melting time 35min) to be melted
Melt object (lac resin, maleic anhydride, rosin calcium, acetal resin weight ratio be 10:1.2:0.7:2)；
2) fusant mixing 15min is added in diamond, silica, Brown Alundum, magnesia, talcum powder (to melt so that mixture is made
Melt object, diamond, silica, Brown Alundum, magnesia, talcum powder weight ratio be 15:1:42:22:12:5), then will mixing
Object is laid in the surface of PET polyester film, is then first cooled to 75 DEG C with the rate of 0.2 DEG C/min and keeps the temperature 40min, then with
The rate of 1.2 DEG C/min is cooled to 40 DEG C and keeps the temperature 2h, and last natural cooling is cut so that wear-resistant abrasive sheet A2 is made；
Wherein, the average grain diameter of diamond is 0.2 μm, and the average grain diameter of silica is 10nm, and the average grain diameter of Brown Alundum is
0.02 μm, the average grain diameter of magnesia is 8nm.
Embodiment 3
1) lac resin, maleic anhydride, rosin calcium tentatively melted to (melting temperature is 195 DEG C, and the melting time is
25min), it is subsequently added into acetal resin and carries out second melting (melting temperature is 220 DEG C, melting time 25min) to be melted
Melt object (lac resin, maleic anhydride, rosin calcium, acetal resin weight ratio be 10:1.6:1.1:5)；
2) fusant mixing 25min is added in diamond, silica, Brown Alundum, magnesia, talcum powder (to melt so that mixture is made
Melt object, diamond, silica, Brown Alundum, magnesia, talcum powder weight ratio be 15:3:46:25:16:12), then will mixing
Object is laid in the surface of PET polyester film, is then first cooled to 80 DEG C with the rate of 0.5 DEG C/min and keeps the temperature 60min, then with
The rate of 1.5 DEG C/min is cooled to 50 DEG C and keeps the temperature 4h, and last natural cooling is cut so that wear-resistant abrasive sheet A3 is made；
Wherein, the average grain diameter of diamond is 0.3 μm, and the average grain diameter of silica is 15nm, and the average grain diameter of Brown Alundum is
0.05 μm, the average grain diameter of magnesia is 12nm.
Comparative example 1
It carries out that abrasive sheet B1 is made according to the method for embodiment 1, unlike, maleic anhydride, rosin calcium are not used in step 1).
Comparative example 2
It carries out abrasive sheet B2 is made according to the method for embodiment 1, unlike, silica in step 1), Brown Alundum, magnesia
Average grain diameter is 10-15nm.
Comparative example 3
It carries out abrasive sheet B3 is made according to the method for embodiment 1, unlike, silica in step 1), Brown Alundum, magnesia
Average grain diameter is 0.02-0.05 μm.
Comparative example 4
It carries out abrasive sheet B4 is made according to the method for embodiment 1, unlike, silica in step 1), Brown Alundum, magnesia
Average grain diameter is 8-12nm.
Detect example 1
Above-mentioned abrasive sheet is installed in the shaft of grinder, machine is then opened and grinds 1h, then detect the weight of abrasive sheet
Change rate, concrete outcome are shown in Table 1.
Table 1
| A1 | A2 | A3 | B1 | B2 | B3 | B4 | |
| Weight rate/% | -0.98 | -1.01 | -0.95 | -3.6 | -1.98 | -1.75 | -2.11 |
The preferred embodiment of the present invention has been described above in detail, still, the tool during present invention is not limited to the embodiments described above
Body details within the scope of the technical concept of the present invention can be with various simple variants of the technical solution of the present invention are made, these letters
Monotropic type all belongs to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, can be combined in any appropriate way, in order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (5)
1. a kind of wear-resistant grinder, which is characterized in that it is provided with abrasive sheet in the shaft of the wear-resistant grinder, it is described to grind
Grinding is prepared by the following method and obtains:
1) lac resin, maleic anhydride, rosin calcium are tentatively melted, is subsequently added into acetal resin and carries out second melting to obtain
To fusant；
2) diamond, silica, Brown Alundum, magnesia, talcum powder are added the fusant and mixed mixture is made, then
The mixture is laid in the surface of the PET polyester film, then cooling, cutting is to be made the wear-resistant abrasive sheet；
Wherein, the average grain diameter of the diamond is 0.2-0.3 μm, and the average grain diameter of the silica is 10-15nm, the palm fibre
The average grain diameter of corundum is 0.02-0.05 μm, and the average grain diameter of the magnesia is 8-12nm.
2. wear-resistant grinder according to claim 1, wherein in step 1):
The lac resin, maleic anhydride, rosin calcium, acetal resin weight ratio be 10:1.2-1.6:0.7-1.1:2-5；
The preliminary fusion meets the following conditions: melting temperature is 180-195 DEG C, melting time 25-45min；
The two hyposynchronization fusion meets the following conditions: melting temperature is 210-220 DEG C, melting time 25-35min.
3. wear-resistant grinder according to claim 1, wherein in step 2, the fusant, diamond, oxidation
Silicon, Brown Alundum, magnesia, talcum powder weight ratio be 15:1-3:42-46:22-25:12-16:5-12.
4. wear-resistant grinder according to claim 1, wherein in step 2, the mixed time is 15-
25min。
5. wear-resistant grinder according to claim 1, wherein in step 2, the cooling meets the following conditions: first
75-80 DEG C is cooled to the rate of 0.2-0.5 DEG C/min and keeps the temperature 40-60min, is then dropped with the rate of 1.2-1.5 DEG C/min
Temperature is to 40-50 DEG C and keeps the temperature 2-4h, last natural cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880917.3A CN109015340A (en) | 2018-08-04 | 2018-08-04 | Wear-resistant grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810880917.3A CN109015340A (en) | 2018-08-04 | 2018-08-04 | Wear-resistant grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109015340A true CN109015340A (en) | 2018-12-18 |
Family
ID=64648580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810880917.3A Withdrawn CN109015340A (en) | 2018-08-04 | 2018-08-04 | Wear-resistant grinder |
Country Status (1)
| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376726A (en) * | 2001-03-22 | 2002-10-30 | 王振国 | Polishing film and its preparing process |
| CA2471487A1 (en) * | 2001-12-28 | 2003-07-17 | 3M Innovative Properties Company | Backing and abrasive product made with the backing and method of making and using the backing and abrasive product |
| CN101219530A (en) * | 2008-02-03 | 2008-07-16 | 北京国瑞升科技有限公司 | Granulation type pouncing paper, preparation method and application thereof |
| US20080248726A1 (en) * | 2004-01-23 | 2008-10-09 | Bando Chemical Industries, Ltd. | Polishing Method and Polishing Film Used in Such Polishing Method |
| CN104275651A (en) * | 2014-09-26 | 2015-01-14 | 河南省联合磨料磨具有限公司 | Diamond polishing film production method |
| CN105415211A (en) * | 2015-12-25 | 2016-03-23 | 江苏锋芒复合材料科技集团有限公司 | Waterproof emery cloth for grinding of car industry and manufacturing method thereof |
-
2018
- 2018-08-04 CN CN201810880917.3A patent/CN109015340A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1376726A (en) * | 2001-03-22 | 2002-10-30 | 王振国 | Polishing film and its preparing process |
| CA2471487A1 (en) * | 2001-12-28 | 2003-07-17 | 3M Innovative Properties Company | Backing and abrasive product made with the backing and method of making and using the backing and abrasive product |
| US20080248726A1 (en) * | 2004-01-23 | 2008-10-09 | Bando Chemical Industries, Ltd. | Polishing Method and Polishing Film Used in Such Polishing Method |
| CN101219530A (en) * | 2008-02-03 | 2008-07-16 | 北京国瑞升科技有限公司 | Granulation type pouncing paper, preparation method and application thereof |
| CN104275651A (en) * | 2014-09-26 | 2015-01-14 | 河南省联合磨料磨具有限公司 | Diamond polishing film production method |
| CN105415211A (en) * | 2015-12-25 | 2016-03-23 | 江苏锋芒复合材料科技集团有限公司 | Waterproof emery cloth for grinding of car industry and manufacturing method thereof |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181218 |
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| WW01 | Invention patent application withdrawn after publication |