CN109290967B - Long-life resin bond abrasive and preparation method thereof - Google Patents
Long-life resin bond abrasive and preparation method thereof Download PDFInfo
- Publication number
- CN109290967B CN109290967B CN201811388108.7A CN201811388108A CN109290967B CN 109290967 B CN109290967 B CN 109290967B CN 201811388108 A CN201811388108 A CN 201811388108A CN 109290967 B CN109290967 B CN 109290967B
- Authority
- CN
- China
- Prior art keywords
- abrasive
- long
- life
- resin
- resin bond
- Prior art date
- 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.)
- Active
Links
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
Abstract
The invention discloses a long-life resin bond abrasive and a preparation method thereof, and relates to the technical field of grinding materials. The technical points are as follows: the long-life resin bond grinding material comprises the following components in percentage by weight: 3-8% of diamond; 10-15% of auxiliary abrasive; 5-15% of filling material; 1-3% of silicon oxide whisker; 5-10% of carbon fiber; 5-15% of metal fiber; 5-10% of phenolic resin; melamine resin to 100%. The abrasive material has the advantages of high strength, good heat resistance and wear resistance, long service life, difficult brittle fracture and good heat resistance.
Description
Technical Field
The invention relates to the technical field of grinding materials, in particular to a long-life resin bond grinding material and a preparation method thereof.
Background
The resin bond abrasive is prepared by mixing resin as a bonding material and metal powder, metal oxide and common abrasive as fillers. Mixing the grinding material and the bonding agent according to the concentration requirement to prepare a molding material, preparing a product blank body through hot pressing and curing, and preparing a finished product through subsequent processing.
The invention discloses an elastic abrasive material in the Chinese patent with the publication number of CN103949987A, which comprises a substrate and a viscose glue mixture adhered and covered on the substrate, wherein the substrate is fiber, and the viscose glue mixture comprises the following components in percentage by mass: 45 to 60 percent of epoxy resin, 13 to 25 percent of grinding material, 4.5 to 6 percent of filler, 15 to 20 percent of solvent, 3 to 5.5 percent of curing agent and 0.4 to 0.6 percent of coupling agent; the abrasive comprises diamond and silicon carbide, wherein the diamond accounts for 3% -10% of the total amount of the viscose mixture, and the silicon carbide accounts for 10% -15% of the total amount of the viscose mixture.
The elastic abrasive material in the patent adopts viscose to bond diamond, abrasive material and filler together, and the bonding force of the abrasive material is poor due to the fact that the abrasive material is naturally cured at room temperature and is not cured by hot-pressing crosslinking, so that the produced abrasive material is low in strength, poor in wear resistance and short in service life.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a long-life resin bond abrasive which has the advantages of high strength, good heat resistance and wear resistance and long service life.
The invention also aims to provide a preparation method of the long-life resin bond abrasive, and the abrasive prepared by the method has the advantages of high strength, good heat resistance and wear resistance and long service life.
In order to achieve the first purpose, the invention provides the following technical scheme:
the long-life resin bond abrasive comprises the following raw materials in percentage by weight:
3-8% of diamond;
10-15% of auxiliary abrasive;
5-15% of filling material;
1-3% of silicon oxide whisker;
5-10% of carbon fiber;
5-15% of metal fiber;
5-10% of phenolic resin;
melamine resin to 100%.
By adopting the technical scheme, diamond is used as a main grinding material and is used as a wear-resistant material together with an auxiliary grinding material; the silicon oxide whiskers and the carbon fibers are used for enhancing mechanical strength, meanwhile, the carbon fibers can also enhance wear resistance, and the metal fibers are used for enhancing bending strength and wear resistance. The filler can reduce the cost on the premise of not reducing the mechanical property of the abrasive. The phenolic resin has good compatibility with various organic and inorganic fillers, can provide the abrasive with required mechanical strength after crosslinking and curing, and has good heat resistance. After being cured, the melamine resin has compact structure, stronger hardness, difficult fracture and strong durability, the phenolic resin and the melamine resin are compounded for use, and the prepared abrasive has higher heat distortion temperature, stronger impact strength and bending strength.
More preferably, the auxiliary abrasive is at least one selected from alumina and silicon carbide.
By adopting the technical scheme, the aluminum oxide is suitable for various dry and wet treatment processes, can polish the rough surface of any workpiece finely, and has low price. It has hardness second to that of diamond, and is especially suitable for use in iron pollution.
The Mohs hardness of the silicon carbide is 9.5 grade, the chemical property is stable, the heat conductivity coefficient is high, the thermal expansion coefficient is small, the wear resistance is good, the self-sharpening property is good, and the silicon carbide is suitable for processing hard alloy, titanium alloy, optical glass, ceramic, stone, concrete and the like.
More preferably, the metal fibers are stainless steel fibers or copper fibers.
By adopting the technical scheme, the stainless steel fiber and the copper fiber have the advantages of high elastic modulus, high bending resistance, high tensile strength and the like, and after the stainless steel fiber or the copper fiber is added into the grinding material, the wear resistance and the service life of the grinding material are greatly improved.
More preferably, the filler is at least one selected from calcium carbonate, copper-clad iron powder and stainless steel powder.
By adopting the technical scheme, the calcium carbonate is cheap, and the cost can be reduced. The copper-coated iron powder has the copper content of 20 percent and the iron content of 80 percent, replaces expensive copper powder, can reduce the cost and ensure the wear resistance of the grinding material. The stainless steel powder is not easy to rust and can improve the heat resistance and the wear resistance of the grinding material.
More preferably, the raw material also comprises toner, and the weight percentage of the toner is 0.3-3%.
By adopting the technical scheme, different toners can be added for distinguishing according to the grinding materials with different meshes, so that confusion is avoided.
More preferably, the toner is at least one selected from the group consisting of oxidized complex green, titanium white, carbon black, fast red and fast yellow.
By adopting the technical scheme, the toner has good compatibility with the abrasive, and the mechanical property of the abrasive is not reduced; the proportion of various toner can be changed according to the requirement aiming at the abrasive materials with different meshes, and different colors can be modulated.
In order to achieve the second purpose, the invention provides the following technical scheme:
a preparation method of a long-life resin bond abrasive material comprises the following steps:
step one, uniformly mixing and stirring diamond, auxiliary abrasive, filler, silicon oxide whiskers, carbon fibers, metal fibers, phenolic resin and melamine resin in corresponding weight percentage to obtain a mixture;
putting the mixture into a lower die of a forming die, compacting by using a pressing block, and covering an upper die;
thirdly, putting the forming die into hot-pressing equipment for hot-pressing curing forming;
and step four, taking out the forming die, and demolding to obtain the long-life resin bond abrasive.
By adopting the technical scheme, the shape of the forming die can be changed according to the requirements of customers, so that the grinding materials in different shapes can be obtained, and the preparation method is simple and is easy for mass production.
More preferably, the temperature of the hot-pressing curing in the third step is 150-180 ℃, and the time is 15-35 min.
By adopting the technical scheme, the phenolic resin and the melamine resin are completely cured at the temperature and time, and other components are bonded together, so that the abrasive material with high strength, good wear resistance and long service life is obtained.
In summary, compared with the prior art, the invention has the following beneficial effects:
(1) the melamine resin and the phenolic resin are matched for use, so that the thermal deformation temperature, the impact strength and the bending strength of the abrasive are improved, the abrasive is not easy to crack, and the service life of the abrasive is prolonged;
(2) by adding the carbon fiber and the metal fiber, the wear resistance and the service life of the grinding material are greatly improved, and the heat resistance of the grinding material is improved;
(3) different toner can be added for different meshes of abrasive materials to distinguish, confusion is avoided, the added toner and the abrasive materials have good compatibility, and the mechanical property of the abrasive materials cannot be reduced.
Detailed Description
The present invention will now be described in detail with reference to examples.
Example 1: the long-life resin bond abrasive is prepared by the following steps of:
step one, uniformly mixing and stirring diamond, auxiliary abrasive, filler, silicon oxide whiskers, carbon fibers, metal fibers, phenolic resin and melamine resin in corresponding weight percentage, and obtaining a mixture by adopting a mixer or a stirrer through mixing equipment;
putting the mixture into a lower die of a forming die, compacting by using a pressing block, and covering an upper die;
step three, placing the forming die into hot-pressing equipment for hot-pressing curing forming, wherein the temperature of hot-pressing curing in the step three is 180 ℃, and the time is 15 min;
and step four, taking out the forming die, and demolding to obtain the long-life resin bond abrasive.
Wherein, the auxiliary abrasive material adopts alumina, the metal fiber is stainless steel fiber, and the filling material is calcium carbonate.
Examples 2 to 5: a long-life resin bond abrasive was different from example 1 in that each component and the corresponding weight percentage thereof are shown in table 1.
TABLE 1 Components and weight percentages of the raw materials in examples 1-5
Example 6: the difference between the long-life resin bond abrasive and the embodiment 1 is that the temperature of hot-pressing curing in the third step is 150 ℃ and the time is 35 min.
Example 7: the difference between the long-life resin bond abrasive and the embodiment 1 is that the temperature of hot-pressing curing in the third step is 165 ℃ and the time is 25 min.
Example 8: the long-life resin bond abrasive is different from the abrasive in example 1 in that the temperature of hot-pressing curing in the third step is 185 ℃ and the time is 20 min.
Example 9: the difference between the long-life resin bond abrasive and the example 1 is that the auxiliary abrasive is silicon carbide.
Example 10: the difference between the long-life resin bond abrasive and the embodiment 1 is that the filler is stainless steel powder.
Example 11: the long-life resin bond abrasive is different from the abrasive in example 1 in that the auxiliary abrasive is composed of 7.5% by weight of silicon carbide and 7.5% by weight of alumina.
Example 12: a long-life resin bond abrasive, which is different from example 1 in that the metal fibers are copper fibers.
Example 13: the difference between the long-life resin bond abrasive and the embodiment 1 is that copper-clad iron powder is adopted as a filler.
Example 14: the difference between the long-life resin bond abrasive and the embodiment 13 is that the filler adopts copper-clad iron powder and calcium carbonate, and the weight ratio of the copper-clad iron powder to the calcium carbonate is 1: 1.
Example 15: the difference between the long-life resin bond abrasive and the embodiment 13 is that calcium carbonate and stainless steel powder are adopted as filling materials, and the weight ratio of the calcium carbonate to the stainless steel powder is 1: 1.
Example 16: the difference between the long-life resin bond abrasive and the embodiment 1 is that the raw materials further comprise 3% of toner by weight, the toner is oxidized complex green, and the toner is added during mixing in the step one.
Example 17: the long-life resin bond abrasive is different from that in example 16 in that the weight percentage of the toner is 1.5%, and the toner is titanium dioxide.
Example 18: a long-life resin bond abrasive material, which is different from that in example 16 in that the weight percentage of the toner is 1%, and the toner is carbon black.
Example 19: a long-life resin binder abrasive differs from example 16 in that the weight percentage of the toner is 0.3%, and the toner is fast red.
Example 20: the long-life resin bond abrasive is different from that in example 16 in that the weight percentage of the toner is 0.5%, and the toner is light fast yellow.
Comparative example 1: a long-life resin bond abrasive is different from that in example 1 in that melamine resin, carbon fiber and stainless steel fiber are not added.
Comparative example 2: a long-life resin bond abrasive is different from that in example 1 in that carbon fibers and stainless steel fibers are not added.
Comparative example 3: a long-life resin bond abrasive is different from that of example 1 in that no metal fiber is added.
Comparative example 4: a long-life resin bond abrasive is different from that of example 1 in that carbon fibers are not added.
Test-grinding test
Test sample (1): the raw materials and methods of examples 1 to 20 were used to prepare 400-mesh resin bonded abrasives as test samples 1 to 20, the raw materials and methods of comparative examples 1 to 4 were used to prepare 400-mesh resin bonded abrasives as control samples 1 to 4, and example one of Chinese patent application publication No. CN103949987A was used to prepare 400-mesh elastic abrasives as control sample 5, and the test samples 1 to 19 and the control samples 1 to 5 had a thickness of 33mm, a length of 164mm, and a width of 54 mm.
Test method (1): the ceramic material was polished using test samples 1-20 and control samples 1-5 and the total life was recorded in hours for 6 groups.
Test sample (2): 50-mesh resin bonded abrasives were prepared by using the raw materials and methods of examples 1 to 20 as test samples 1 to 20, 50-mesh resin bonded abrasives were prepared by using the raw materials and methods of comparative examples 1 to 4 as control samples 1 to 4, 50-mesh elastic abrasives were prepared by using example one of the chinese patent publication No. CN103949987A as control sample 5, and the test samples 1 to 19 and the control samples 1 to 5 had a thickness of 2.5mm and a diameter of 100 mm.
Test method (2): the soft rough concrete floor was sanded using test samples 1-20 and control samples 1-5, and the total sanded area was recorded in units of square meters for a group of 12 sheets.
Test results and analysis: the results of the sanding tests for test samples 1-20 and control samples 1-5 are shown in Table 2. As can be seen from Table 2, the time for polishing the ceramic was more than 176h for each of the test samples 1-20, while the time for polishing the concrete was only 49h for the control sample 1, and the area for polishing the concrete was more than 36m for each of the test samples 1-20 2 While control sample 1 was only 7m 2 (ii) a The buffed area of control samples 2-4 was from 15m after addition of melamine resin, melamine resin and carbon fiber, melamine resin and stainless steel fiber, respectively 2 Lifting the pieces to 28m 2 The melamine resin, the phenolic resin, the carbon fiber and the metal fiber are used in a matching way, so that the synergistic effect is achieved, and the wear resistance and the service life of the grinding material are greatly improved.
TABLE 2 sanding test results for test samples 1-20 and control samples 1-5
Test two mechanical Strength test
The test method comprises the following steps: the flexural strength and compressive strength of the test samples 1 to 20 and the control samples 1 to 5 in the test sample (1) were measured by a conventional method.
And (3) test results: the results of the mechanical strength tests of the test samples 1 to 20 and the control samples 1 to 5 are shown in Table 3. As can be seen from Table 3, the flexural strength and compressive strength of the test samples 1-20 are much greater than those of the control samples 1-5, and after the melamine resin, the carbon fiber, the melamine resin and the stainless steel fiber are added respectively, the flexural strength of the control samples 2-4 is increased from 18.5MPa to 35.5MPa, and the compressive strength of the control samples 2-4 is increased from 16.5MPa to 26.5MPa, which indicates that the flexural strength and compressive strength of the abrasive are greatly improved by using the melamine resin, the phenolic resin, the carbon fiber and the metal fiber in a matched manner, so that the synergistic effect is achieved.
TABLE 3 results of mechanical Strength test of test samples 1 to 20 and control samples 1 to 5
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and adaptations to those skilled in the art without departing from the principles of the present invention should also be considered as within the scope of the present invention.
Claims (1)
1. The long-life resin bond abrasive is characterized by being prepared by the following steps:
step one, uniformly mixing and stirring 3% of diamond, 15% of auxiliary abrasive, 5% of filler, 1% of silicon oxide whisker, 5% of carbon fiber, 15% of metal fiber, 5% of phenolic resin and 41% of melamine resin according to the weight percentage, and obtaining a mixture by adopting a mixer or a stirrer;
putting the mixture into a lower die of a forming die, compacting by using a pressing block, and covering an upper die;
step three, placing the forming die into hot-pressing equipment for hot-pressing curing forming, wherein the temperature of hot-pressing curing in the step three is 180 ℃, and the time is 15 min;
taking out the forming die, and demolding to obtain the long-life resin bond abrasive;
wherein, the auxiliary abrasive material adopts alumina, the metal fiber is stainless steel fiber, and the filling material is calcium carbonate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388108.7A CN109290967B (en) | 2018-11-21 | 2018-11-21 | Long-life resin bond abrasive and preparation method thereof |
| CN202210741617.3A CN115582783A (en) | 2018-11-21 | 2018-11-21 | Resin bond abrasive with high strength, good heat resistance and wear resistance and long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388108.7A CN109290967B (en) | 2018-11-21 | 2018-11-21 | Long-life resin bond abrasive and preparation method thereof |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210741617.3A Division CN115582783A (en) | 2018-11-21 | 2018-11-21 | Resin bond abrasive with high strength, good heat resistance and wear resistance and long service life |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109290967A CN109290967A (en) | 2019-02-01 |
| CN109290967B true CN109290967B (en) | 2022-07-26 |
Family
ID=65143478
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811388108.7A Active CN109290967B (en) | 2018-11-21 | 2018-11-21 | Long-life resin bond abrasive and preparation method thereof |
| CN202210741617.3A Pending CN115582783A (en) | 2018-11-21 | 2018-11-21 | Resin bond abrasive with high strength, good heat resistance and wear resistance and long service life |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210741617.3A Pending CN115582783A (en) | 2018-11-21 | 2018-11-21 | Resin bond abrasive with high strength, good heat resistance and wear resistance and long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN109290967B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111015529B (en) * | 2020-01-09 | 2021-06-18 | 王健 | Resin grinding wheel |
| CN111451948A (en) * | 2020-03-07 | 2020-07-28 | 佛山市钻镁金刚石工具有限公司 | High-definition new material grinding block and preparation method thereof |
| CN112936118B (en) * | 2021-01-21 | 2022-07-05 | 泉州众志新材料科技有限公司 | Special grinding block for rock plate and production method thereof |
| CN113770927A (en) * | 2021-09-18 | 2021-12-10 | 北京利研科技有限公司 | Long-life stamping grinding belt and preparation method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5203884A (en) * | 1992-06-04 | 1993-04-20 | Minnesota Mining And Manufacturing Company | Abrasive article having vanadium oxide incorporated therein |
| CN101722478A (en) * | 2010-01-21 | 2010-06-09 | 厦门致力金刚石工具有限公司 | Diamond dry grinding disc and manufacturing method thereof |
| CN102581780B (en) * | 2012-03-22 | 2015-10-28 | 厦门致力金刚石科技股份有限公司 | A kind of flexible polishing sheet and manufacture method thereof |
| CN104669128B (en) * | 2015-03-17 | 2017-05-24 | 河南工业大学 | Super-hard grinding tool of inorganic and organic composite binder |
| CN106078540A (en) * | 2016-08-18 | 2016-11-09 | 泉州众志新材料科技有限公司 | A kind of Polished crystal tile glazing abrasive disc and preparation method thereof |
| CN107378805A (en) * | 2017-08-09 | 2017-11-24 | 安徽昌悌进出口贸易有限公司 | A kind of heat-resistant impacts emery wheel material |
| CN108621038A (en) * | 2018-05-03 | 2018-10-09 | 威海南海碳材料有限公司 | A kind of resin wheel of fibre reinforced and preparation method thereof |
-
2018
- 2018-11-21 CN CN201811388108.7A patent/CN109290967B/en active Active
- 2018-11-21 CN CN202210741617.3A patent/CN115582783A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CN115582783A (en) | 2023-01-10 |
| CN109290967A (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109290967B (en) | Long-life resin bond abrasive and preparation method thereof | |
| CN106737255B (en) | A kind of vitrified bond, vitrified bond mill and preparation method thereof | |
| CN105538174B (en) | A kind of emery wheel block and preparation method thereof, buffing wheel | |
| CN104669131A (en) | Calcium sulfate whisker reinforced resin grinding wheel and preparation method thereof | |
| CN102114615B (en) | Rare earth polishing disc | |
| CN105111673A (en) | Material of phenolic resin diamond grinding tool and preparation method of grinding tool | |
| KR20110024506A (en) | Composition for cutting wheel and cutting wheel by using the same | |
| CN108747852A (en) | A kind of diamond abrasive tool and preparation method thereof | |
| CN112521165A (en) | Ceramic bonding agent, preparation method thereof and grinding tool | |
| CN114523429A (en) | Non-woven fabric grinding block for stone polishing and manufacturing method thereof | |
| CN111875923A (en) | Motor train unit grinding wheel without metal inserts and with good shape correction effect | |
| CN113547459B (en) | Modified PA-66 composite resin diamond grinding tool and preparation method thereof | |
| CN105690240A (en) | Flexible polishing pad | |
| CN108555783B (en) | Preparation method of artificial stone chamfering wheel | |
| CN110181417B (en) | Diamond soft abrasive disc and preparation method thereof | |
| CN110270939B (en) | Diamond soft abrasive disc and preparation method thereof | |
| CN106903619A (en) | A kind of grinding tool for jewel polishing and preparation method thereof | |
| CN109867487B (en) | Abrasive material and method for producing abrasive | |
| JP2004142085A (en) | Vitrified grinding wheel and method for manufacturing the same | |
| CN111590478A (en) | Manufacturing process of composite material superhard grinding wheel grinding tool | |
| RU2366676C2 (en) | Compositional ferroabrasive powder and method for obtaining same | |
| CN113524053B (en) | Basalt fiber reinforced high-speed steel rail grinding stone and preparation method thereof | |
| CN113492365B (en) | Two-dimensional material-fiber composite modifier, resin composite bonding agent, grinding material, grinding tool, preparation method and application thereof | |
| JP2783714B2 (en) | Hardened grinding abrasive and manufacturing method | |
| CN112936118B (en) | Special grinding block for rock plate and production method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |