CN107520771A - A kind of preparation method of antidamping resin wheel - Google Patents
A kind of preparation method of antidamping resin wheel Download PDFInfo
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- CN107520771A CN107520771A CN201710810331.5A CN201710810331A CN107520771A CN 107520771 A CN107520771 A CN 107520771A CN 201710810331 A CN201710810331 A CN 201710810331A CN 107520771 A CN107520771 A CN 107520771A
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- China
- Prior art keywords
- mass parts
- resin
- hours
- fused alumina
- white fused
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/20—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/285—Reaction products obtained from aldehydes or ketones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The present invention provides a kind of preparation method of antidamping resin wheel, includes the liquid phenolic resin of 0.5 1.0 mass parts silane couplers, 8 12 mass parts, 50 80 mass parts 46# plating clothing white fused alumina, 20 40 mass parts 54# plating clothing white fused alumina, the carbon black of 0.5 1.0 mass parts, the potassium fluoroaluminate of 8 12 mass parts, the calcium sulfate crystal whiskers of 35 mass parts, the modified phenolic resin cosmetics of 18 23 mass parts;The present invention is by using plating clothing white fused alumina abrasive material, the abrasive surface has one layer of high temperature coating, the coating is favorably improved resin and abrasive material interface binding intensity, there is energy and inanimate matter material, chemically combined reactive group and the reactive group combined with organic matter materials chemistry in silane coupled agent molecule, it is bonded in inorganic formed with organic interface, promote interface fusion, strengthen performance;Secondly, phenol-formaldehyde resin modified employed in this method in phenolic resin its molecular structure compared to oxidizable group be free of, and free phenol content is low in this method, so as to effectively slow down harden after resin performance degradation.
Description
Technical field
The present invention relates to a kind of grinding tool technical field, especially a kind of preparation method of antidamping resin wheel.
Background technology
Emery wheel is the main tool of grinding, and it is the porous body being made up of abrasive material and bonding agent.Wherein abrasive material, binding agent
It is three underlying dimensions of emery wheel with hole, with the difference of abrasive material, bonding agent and emery wheel manufacturing process etc., grinding wheel characteristics
Possible difference is very big, has important influence to the precision, roughness and production efficiency of grinding, therefore, it is necessary to according to tool
Concrete conditions in the establishment of a specific crime selects suitable emery wheel.
Resin wheel is the emery wheel that bonding agent is resin, with grinding force is small, grinding temperature is low, self-sharpening is good, grinding effect
The advantages that rate is high, it is widely used in the grinding of the hard brittle materials such as hard alloy, ceramics, glass.
But the binding agent in resin wheel is high-molecular organic material, its product during long-time is deposited, easily by
Influence to environment produces aging, and cohesive strength declines, and causes grinding wheel performance to decay, while resinoid bond and mill in emery wheel
There is organic and inorganic combination interface in material, cleannes, moisture content and itself grain shape of abrasive surface can all reduce interface
Bond properties, and its performance degradation reduces by more than 20%.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of preparation method of antidamping resin wheel.
The technical scheme is that:A kind of preparation method of antidamping resin wheel, comprises the following steps:
S1 0.5-1.0 mass parts silane coupler), is taken, the phenolic resin that 8-12 mass parts viscosity is 800-1200mpa.s
Liquid is added in batch mixing pot A, and is uniformly mixed standby, and it is firm in vain then to add the plating clothing that 50-80 mass parts granularities is 46#
Beautiful and 20-40 mass parts granularity is 54# plating clothing white fused alumina, is stirred the charcoal of addition 0.5-1.0 mass parts after 3-5min
It is black, it is stirred 15-18min;
S2 the potassium fluoroaluminate, 3-5 mass parts calcium sulfate crystal whiskers, 18-23 matter that 8-12 mass parts fineness is 200-300 mesh), are taken
Amount part fineness is added in mixing kettle B for the modified phenolic resin cosmetics of 200-300 mesh and is well mixed;
S3), by step S1) batch mixing in mixing kettle A is added to step S2) in mixing kettle B, and be uniformly mixed;
S4), by step S3) in batch mixing pour into the mould for having laid glass screen cloth, then shakeout by scraper plate whole mixed
Close material, place into upper strata screen cloth and packing ring, add after die cap will mould be sent into it is compressing in press, obtain thickness for 1.3 ±
0.1mm emery wheel base substrate;
S5 it), will be separated between the every two panels of compressing emery wheel base substrate with Teflon cloth, use flat pattern between every 5 base substrates
Aluminium sheet separates, be put into after spring pressurization temperature be dried in 60 DEG C of resistance-type batch-type furnace 3-4h then solidification temperature from
80 DEG C are gradually heating under conditions of 190 DEG C, solidify 15-25h;
Wherein, 1-2 hours are incubated after solidification temperature is raised to 100 DEG C by 80 DEG C, wherein, the heating-up time is 2 hours;
Solidification temperature is incubated 1.5-2.5 hours after being warming up to 120 DEG C by 100 DEG C, wherein, the heating-up time is 2.5 hours;
Solidification temperature is incubated 7-10 hours after being warming up to 190 DEG C by 120 DEG C, wherein, 5 hours heating-up times, so as to obtain
Density is 2.34g/cm3Resin wheel.
In above-mentioned technical proposal, step S4), the briquetting pressure is 5-7Mpa, forming temperature is 40-60 DEG C, during compacting
Between be the 6-8 seconds.
Further, described glass screen cloth is the enhancement layer of emery wheel, and its specification is 13 mesh, 104mmx17mm, 130g.
Beneficial effects of the present invention are:This method has a floor height temperature by using plating clothing white fused alumina abrasive material, the abrasive surface
Coating, the coating are favorably improved resin and abrasive material interface binding intensity, and having in silane coupled agent molecule can be with inorganic material
Expect (such as glass, silica sand, metal) chemically combined reactive group and chemically combined with organic material (synthetic resin etc.)
Reactive group, it is bonded in inorganic formed with organic interface, promotes interface fusion, strengthen performance;Secondly, employed in this method
Phenol-formaldehyde resin modified can cause compared to oxidizable group is free of in phenolic resin its molecular structure after being hardened due to emery wheel
Molecular resin cracks, and reduces intensity, middle reaches are low from phenol content in this way for institute, less than 0.5%, so as to effectively slow down hardening
The performance degradation of resin afterwards.
Embodiment
The embodiment of the present invention is described further below:
Embodiment 1
A kind of preparation method of antidamping resin wheel, comprises the following steps:
S1 0.5 mass parts silane coupler), is taken, the liquid phenolic resin that 8 mass parts viscosity are 800mpa.s is added to batch mixing
In pot A, and it is uniformly mixed standby, then adding plating clothing white fused alumina, 40 mass parts granularities that 60 mass parts granularities are 46# is
54# plating clothing white fused alumina, the carbon black that 0.5 mass parts are added after 5min is stirred, is stirred 16min;
S2), to take 8 mass parts fineness be the potassium fluoroaluminate of 200 mesh, 3 mass parts calcium sulfate crystal whiskers, 18 mass parts fineness are
The modified phenolic resin cosmetics of 200 mesh is added in mixing kettle B and is well mixed;
S3), by step S1) batch mixing in mixing kettle A is added to step S2) in mixing kettle B, and be uniformly mixed;
S4), by step S3) in batch mixing pour into the mould for having laid glass screen cloth, then shakeout by scraper plate whole mixed
Close material, place into upper strata screen cloth and packing ring, add after die cap by mould be sent into press pressure be 5Mpa, forming temperature be 40 DEG C
Compressing, the press time is the 6-8 seconds, obtains the emery wheel base substrate that thickness is 1.3 ± 0.1mm;
S5 it), will be separated between the every two panels of compressing emery wheel base substrate with Teflon cloth, use flat pattern between every 5 base substrates
Aluminium sheet separates, and it is 4h to be dried in 60 DEG C of resistance-type batch-type furnace and then in solidification temperature from 80 that temperature is put into after spring pressurization
DEG C it is gradually heating under conditions of 190 DEG C, solidifies 19h;
Wherein, 1 hour is incubated after solidification temperature is raised to 100 DEG C by 80 DEG C, wherein, the heating-up time is 2 hours;
Solidification temperature is incubated 1.5 hours after being warming up to 120 DEG C by 100 DEG C, wherein, the heating-up time is 2.5 hours;
Solidification temperature is incubated 7 hours after being warming up to 190 DEG C by 120 DEG C, wherein, 5 hours heating-up times, so as to obtain density
For 2.34g/cm3Resin wheel.
Embodiment 2
A kind of preparation method of antidamping resin wheel, comprises the following steps:
S1 0.7 mass parts silane coupler, 10 mass parts viscosity), is taken to be added to for 1000mpa.s liquid phenolic resin mixed
Expect in pot A, and be uniformly mixed standby, it is 46# plating clothing white fused alumina, 30 mass parts granularities then to add 70 mass parts granularities
For 54# plating clothing white fused alumina, the carbon black that 0.8 mass parts are added after 5min is stirred, is stirred 18min;
S2), to take 10 mass parts fineness be the potassium fluoroaluminate of 200 mesh, 4 mass parts calcium sulfate crystal whiskers, 20 mass parts fineness are
The modified phenolic resin cosmetics of 200 mesh is added in mixing kettle B and is well mixed;
S3), by step S1) batch mixing in mixing kettle A is added to step S2) in mixing kettle B, and be uniformly mixed;
S4), by step S3) in batch mixing pour into the mould for having laid glass screen cloth, then shakeout by scraper plate whole mixed
Close material, place into upper strata screen cloth and packing ring, add after die cap by mould be sent into press pressure be 6Mpa, forming temperature be 50 DEG C
Compressing, the press time is the 6-8 seconds, obtains the emery wheel base substrate that thickness is 1.3 ± 0.1mm;
S5 it), will be separated between the every two panels of compressing emery wheel base substrate with Teflon cloth, use flat pattern between every 5 base substrates
Aluminium sheet separates, be put into after spring pressurization temperature be dried in 60 DEG C of resistance-type batch-type furnace 3-4h then solidification temperature from
80 DEG C are gradually heating under conditions of 190 DEG C, solidify 21h;
Wherein, 1.5 hours are incubated after solidification temperature is raised to 100 DEG C by 80 DEG C, wherein, the heating-up time is 2 hours;
Solidification temperature is incubated 2 hours after being warming up to 120 DEG C by 100 DEG C, wherein, the heating-up time is 2.5 hours;
Solidification temperature is incubated 8 hours after being warming up to 190 DEG C by 120 DEG C, wherein, 5 hours heating-up times, so as to obtain density
For 2.34g/cm3Resin wheel.
Embodiment 3
A kind of preparation method of antidamping resin wheel, comprises the following steps:
S1 1 mass parts silane coupler), is taken, the liquid phenolic resin that 12 mass parts viscosity are 1200mpa.s is added to batch mixing
In pot A, and it is uniformly mixed standby, then adding plating clothing white fused alumina, 20 mass parts granularities that 50 mass parts granularities are 46# is
54# plating clothing white fused alumina, the carbon black that 1 mass parts are added after 5min is stirred, is stirred 18min;
S2), to take 12 mass parts fineness be the potassium fluoroaluminate of 200 mesh, 5 mass parts calcium sulfate crystal whiskers, 23 mass parts fineness are
The modified phenolic resin cosmetics of 200 mesh is added in mixing kettle B and is well mixed;
S3), by step S1) batch mixing in mixing kettle A is added to step S2) in mixing kettle B, and be uniformly mixed;
S4), by step S3) in batch mixing pour into the mould for having laid glass screen cloth, then shakeout by scraper plate whole mixed
Close material, place into upper strata screen cloth and packing ring, add after die cap by mould be sent into press pressure be 7Mpa, forming temperature be 60 DEG C
Compressing, the press time is the 6-8 seconds, obtains the emery wheel base substrate that thickness is 1.3 ± 0.1mm;
S5 it), will be separated between the every two panels of compressing emery wheel base substrate with Teflon cloth, use flat pattern between every 5 base substrates
Aluminium sheet separates, be put into after spring pressurization temperature be dried in 60 DEG C of resistance-type batch-type furnace 3-4h then solidification temperature from
80 DEG C are gradually heating under conditions of 190 DEG C, solidify 23h;
Wherein, 2 hours are incubated after solidification temperature is raised to 100 DEG C by 80 DEG C, wherein, the heating-up time is 2 hours;
Solidification temperature is incubated 2.5 hours after being warming up to 120 DEG C by 100 DEG C, wherein, the heating-up time is 2.5 hours;
Solidification temperature is incubated 9 hours after being warming up to 190 DEG C by 120 DEG C, wherein, 5 hours heating-up times, so as to obtain density
For 2.34g/cm3Resin wheel.
Merely illustrating the principles of the invention described in above-described embodiment and specification and most preferred embodiment, this is not being departed from
On the premise of spirit and scope, various changes and modifications of the present invention are possible, and these changes and improvements both fall within requirement and protected
In the scope of the invention of shield.
Claims (2)
1. a kind of preparation method of antidamping resin wheel, it is characterised in that comprise the following steps:
S1 0.5-1.0 mass parts silane coupler), is taken, the liquid phenolic resin that 8-12 mass parts viscosity is 800-1200mpa.s adds
Enter into batch mixing pot A, and be uniformly mixed it is standby, then add plating clothing white fused alumina that 50-80 mass parts granularities is 46#, with
And the plating clothing white fused alumina that 20-40 mass parts granularity is 54#, the carbon black of addition 0.5-1.0 mass parts after 3-5min is stirred, is stirred
Mix mixing 15-18min;
S2 the potassium fluoroaluminate, 3-5 mass parts calcium sulfate crystal whiskers, 18-23 mass parts that 8-12 mass parts fineness is 200-300 mesh), are taken
Fineness is added in mixing kettle B for the modified phenolic resin cosmetics of 200-300 mesh and is well mixed;
S3), by step S1) batch mixing in mixing kettle A is added to step S2) in mixing kettle B, and be uniformly mixed;
S4), by step S3) in batch mixing pour into the mould for having laid glass screen cloth, whole compound is then shakeout by scraper plate,
Upper strata screen cloth and packing ring are placed into, adds after die cap and mould is sent into compressing in press, it is 1.3 ± 0.1mm's to obtain thickness
Emery wheel base substrate;
S5 it), will be separated between the every two panels of compressing emery wheel base substrate with Teflon cloth, flat pattern aluminium sheet used between every 5 base substrates
Separate, be put into after spring pressurization in the resistance-type batch-type furnace that temperature is 60 DEG C and dry 3-4h and then in solidification temperature from 80 DEG C
It is gradually heating under conditions of 190 DEG C, solidifies 15-25h;
Wherein, 1-2 hours are incubated after solidification temperature is raised to 100 DEG C by 80 DEG C, wherein, the heating-up time is 2 hours;
Solidification temperature is incubated 1.5-2.5 hours after being warming up to 120 DEG C by 100 DEG C, wherein, the heating-up time is 2.5 hours;
Solidification temperature is incubated 7-10 hours after being warming up to 190 DEG C by 120 DEG C, wherein, 5 hours heating-up times, so as to obtain density
For 2.34g/cm3Resin wheel.
A kind of 2. preparation method of antidamping resin wheel according to claim 1, it is characterised in that:Step S4), it is described
Briquetting pressure is 5-7Mpa, forming temperature is 40-60 DEG C, and the press time is the 6-8 seconds.
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108890542A (en) * | 2018-05-30 | 2018-11-27 | 安徽佑开科技有限公司 | A kind of anti-attenuation resin wheel formula |
CN110340814A (en) * | 2019-07-02 | 2019-10-18 | 惠州市淀金研磨科技有限公司 | A kind of preparation method of grinding wheel |
CN110450061A (en) * | 2019-07-15 | 2019-11-15 | 郑州磨料磨具磨削研究所有限公司 | Surface modifying method, the resinoid bonded grinding tool of a kind of modified abrasion resistant material and wear-resistant material |
CN110509195A (en) * | 2019-07-15 | 2019-11-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of resin abrasive tools and preparation method thereof |
CN111168589A (en) * | 2020-01-09 | 2020-05-19 | 石家庄福澈研磨科技有限公司 | Cutting and grinding dual-purpose grinding wheel and preparation method thereof |
CN111761514A (en) * | 2020-07-02 | 2020-10-13 | 长沙理工大学 | Method for monitoring wear state of ordered microgroove multilayer abrasive grinding wheel based on radiation signals |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108890542A (en) * | 2018-05-30 | 2018-11-27 | 安徽佑开科技有限公司 | A kind of anti-attenuation resin wheel formula |
CN110340814A (en) * | 2019-07-02 | 2019-10-18 | 惠州市淀金研磨科技有限公司 | A kind of preparation method of grinding wheel |
CN110450061A (en) * | 2019-07-15 | 2019-11-15 | 郑州磨料磨具磨削研究所有限公司 | Surface modifying method, the resinoid bonded grinding tool of a kind of modified abrasion resistant material and wear-resistant material |
CN110509195A (en) * | 2019-07-15 | 2019-11-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of resin abrasive tools and preparation method thereof |
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CN111168589A (en) * | 2020-01-09 | 2020-05-19 | 石家庄福澈研磨科技有限公司 | Cutting and grinding dual-purpose grinding wheel and preparation method thereof |
CN111761514A (en) * | 2020-07-02 | 2020-10-13 | 长沙理工大学 | Method for monitoring wear state of ordered microgroove multilayer abrasive grinding wheel based on radiation signals |
CN111761514B (en) * | 2020-07-02 | 2022-02-01 | 长沙理工大学 | Method for monitoring wear state of ordered microgroove multilayer abrasive grinding wheel based on radiation signals |
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