CN104440610A - High-precision drum-type resin binder diamond grinding wheel and manufacturing method thereof - Google Patents
High-precision drum-type resin binder diamond grinding wheel and manufacturing method thereof Download PDFInfo
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- CN104440610A CN104440610A CN201410644797.9A CN201410644797A CN104440610A CN 104440610 A CN104440610 A CN 104440610A CN 201410644797 A CN201410644797 A CN 201410644797A CN 104440610 A CN104440610 A CN 104440610A
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- diamond
- grinding wheel
- type resin
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- high accuracy
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Classifications
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- 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
-
- 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
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- 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
Abstract
The invention discloses a high-precision drum-type resin binder diamond grinding wheel and a manufacturing method of the high-precision drum-type resin binder diamond grinding wheel. The diamond grinding wheel comprises a base body and a work grinding material layer, and the work grinding material layer is composed of diamonds, resin binders, nanometer silica, nanometer zinc oxide, nanometer ferric oxide and nanometer magnesium oxide. Firstly, the resin binders, the nanometer silica, the nanometer zinc oxide, the nanometer ferric oxide and the nanometer magnesium oxide are mixed evenly, and composite resin binders are obtained. Then, the wetted diamonds are added to the composite resin binders to be mixed evenly, and forming materials are obtained. The forming materials are put into a segment mold for hot pressing forming, secondary curing is carried out after forming, a cured segment finished product is bonded to the base body, and the high-precision drum-type resin binder diamond grinding wheel is obtained through processing. The manufactured high-precision drum-type resin binder diamond grinding wheel has the advantages that few internal structural defects are adopted, density is even, surface precision of processed jewels is high, and no chatter mark or microcrack exists, and no pollution is caused to the environment.
Description
Technical field
The invention belongs to grinding materials and grinding tool grinding technique field, particularly relate to a kind of high accuracy drum-type resin anchoring agent diamond grinding wheel and preparation method thereof.
Background technology
The gem processing industry of China has a long history and effulgent culture.In recent years, along with the fast development of national economy and the rapid raising of people's material and cultural life, the jewel industry of whole China occurs flourishing as never before, and become jewel production and processing big country, be also jewel consumption, big export country.Different gemstone cuttings difference to some extent, but procedure is roughly the same, comprise and select materials, design, cut moulding, corase grind, fine grinding, fine grinding and polishing etc., wherein grinding and polishing occupy an important position, the planarization efficiency of decision jewel, fineness and added value.
In gem processing process, used polishing powder in the past, add some heavy metals in polishing powder, to reach the object presenting multiple color, also there is certain Leaching, these heavy metals flow into surrounding environment along with waste water, directly have influence on surface water quality, also very easily cause soil compaction, crops hypoxia death, the deterioration of the ecological environment, and directly have influence on health.In addition, the workman of the processing works such as long campaigns polishing, polishing often may suck dust, then likely suffer from lung hemachromatosis, and the efficiency of the manual processing gem of workman is very low.In order to address these problems, each manufacturer all starts the developmental research to gem processing field precision grinder, the precision grinder of gem processing is succeeded in developing, but need abrasive grain very tiny, organize very evenly, grinding tool that shape is comparatively complicated is supporting with it.Because Precision Machining quality requirement is very high, processing object surface requirements reaches mirror effect.Processing surface precision less than P-V150 μm, without burning, without chatter mark, no marking and non-microcracked.Therefore, for the cylinder grinding tool of more than a 650mm length, how to reduce grinding tool internal flaw, the uniformity of guarantee grinding tool tissue is a more crucial problem.
At present, the complexity of the precision grinder of gem processing configuration and the high electro-plating roller grinding tool of surface precision, and in existing electroplating technology, plating solution contains hypertoxic cyanide, waste water and the waste gas of discharge have harm to environment.And the jewel of electro-plating roller grinding tool grinding has chatter mark and micro-crack.There is no and utilize new material and have the producer that the good resinoid bond of polishing performance manufactures gem processing cylinder grinding tool, the present invention has carried out innovation and creation to the production of jewel cylinder grinding tool on the basis producing resinoid bond jewel polishing disk in this context.
Summary of the invention
The technical problem to be solved in the present invention is: have the defect of chatter mark and micro-crack and solve plating solution in electroplating technology contain the waste water of hypertoxic cyanide discharge and waste gas to the harm problem of environment to overcome plating grinding jewel.The invention provides a kind of high accuracy drum-type resin anchoring agent diamond grinding wheel and preparation method thereof.The high accuracy drum-type resin anchoring agent diamond grinding wheel utilizing technical solution of the present invention to prepare possesses that internal structural flaw is few, even density, processing jewel surface precision high, without the feature such as chatter mark and micro-crack, and environmentally safe.
In order to solve the problem, the technical solution used in the present invention is:
The invention provides a kind of high accuracy drum-type resin anchoring agent diamond grinding wheel, described skive comprises matrix and working abrasive layer, represent with weight percentage, the raw material of described working abrasive layer consists of diamond 10 ~ 20%, resinoid bond 30 ~ 40%, nanometer grade silica 10 ~ 25%, Nano-class zinc oxide 10 ~ 20%, nanometer ferro oxide 5 ~ 10% and nanoscale magnesium 1 ~ 6%.
The working abrasive layer of skive of the present invention is made up of multiple diamond block, and the regular dislocation ground of diamond block gathers and is bonded in matrix outer wall surrounding, fits tightly between adjacent diamond joint block both ends of the surface; The thickness of diamond block is 2 ~ 10cm.
According to above-mentioned high accuracy drum-type resin anchoring agent diamond grinding wheel, the raw material of described working abrasive layer consists of diamond 18%, resinoid bond 36%, nanometer grade silica 22%, Nano-class zinc oxide 10%, nanometer ferro oxide 8% and nanoscale magnesium 6%.
According to above-mentioned high accuracy drum-type resin anchoring agent diamond grinding wheel, described resinoid bond is phenolic resins or polyimides, and the granularity of described resinoid bond is 30 ~ 40 μm; Described diamond is polycrystalline self-sharpening diamond, and its granularity is 5 ~ 50 μm, and its diamond concentration is 30 ~ 100%.
According to above-mentioned high accuracy drum-type resin anchoring agent diamond grinding wheel, described polycrystalline self-sharpening diamond is copper coating or nickel plating polycrystalline self-sharpening diamond, and wherein weight ratio both non-plated with gold hard rock and plated with gold hard rock is 1:2 ~ 3:1.
In addition, provide a kind of preparation method of high accuracy drum-type resin anchoring agent diamond grinding wheel, described preparation method comprises the following steps:
A, first take various raw material according to the raw material composition and ratio ratio of above-mentioned high accuracy drum-type resin anchoring agent diamond grinding wheel working abrasive layer;
B, the resinoid bond taken, nanometer grade silica, Nano-class zinc oxide, nanometer ferro oxide and nanoscale magnesium to be mixed, obtain compound resin bonding agent;
C, phenol resin solution added in the diamond that takes and fully soak, the each raw material gross weight of every kg adds 1 ~ 5mL wetting agent liquid phenolic resin, diamond after wettability treatment adds in the compound resin bonding agent that step b obtains, and obtains molding mass after fully mixing;
D, the molding mass obtained by step c drop in the diamond cutting-into-cube mould assembled, then putting into four-column hydraulic press carries out hot-forming, first 2 ~ 9 times are exhausted under being warming up to 90 ± 5 DEG C of conditions, then 60min is incubated under being warming up to 185 ± 5 DEG C of conditions under 20 tons pressure, be cooled to less than 80 DEG C mould unloadings after insulation, obtain diamond block semi-finished product;
The diamond block semi-finished product obtained after e, steps d mould unloading are put into thermostatic drying chamber and are carried out regelate, and after solidification, products obtained therefrom is diamond block finished product;
F, step e gained diamond block finished product is bonded in matrix outer wall surrounding by the regular dislocation of epoxyn, then carries out lathe process, repair and do dynamic balancing, finally obtain high accuracy drum-type resin anchoring agent diamond grinding wheel.
According to the preparation method of above-mentioned high accuracy drum-type resin anchoring agent diamond grinding wheel, the compound method of phenol resin solution described in step c is: the ratio being first 3:2 according to phenol-formaldehyde resin powder and absolute ethyl alcohol mass ratio takes two kinds of raw materials, the phenol-formaldehyde resin powder taken is added in absolute ethyl alcohol, make it dissolve completely, finally obtain the phenol resin solution that solubility is 60%.
According to the preparation method of above-mentioned high accuracy drum-type resin anchoring agent diamond grinding wheel, the specific operation process of regelate described in step e is: after the diamond block semi-finished product after mould unloading put into thermostatic drying chamber, first 100 DEG C of insulation 30 ~ 60min are warming up to by room temperature through 30min, then 120 DEG C of insulation 30 ~ 60min are warming up to through 20min, then 140 DEG C of insulation 30 ~ 60min are warming up to through 20min, then be warming up to 160 DEG C of insulation 30 ~ 60min through 20min, be then warming up to 185 DEG C of insulations 4 ~ 8 hours through 30min.
positive beneficial effect of the present invention:
1, the high accuracy drum-type resin anchoring agent diamond grinding wheel utilizing technical solution of the present invention to prepare possesses that internal structural flaw is few, even density, processing jewel surface precision high, without the feature such as chatter mark and micro-crack, and environmentally safe; Therefore, the present invention has significant economic benefit and social benefit.
2, the high accuracy drum-type resin anchoring agent diamond grinding wheel external diameter utilizing technical solution of the present invention to prepare is 230mm, length is 650mm, and be made up of matrix and working abrasive layer two parts, abrasive material is made up of 65 diamond blocks.Utilize high accuracy drum-type resin anchoring agent diamond grinding wheel grinding of the present invention and the various jewel of polishing to have higher wearability, heat endurance and good pliability, and the grinding sharp life-span is long.
3, in the high accuracy drum-type resin anchoring agent diamond grinding wheel interior tissue prepared of the present invention, diamond abrasive, resinoid bond and filler distribution are even, without obvious segregation phenomenon, each jewel that whole aluminium is arranged has the version position of formed objects, identical brightness.
4, high accuracy drum-type resin anchoring agent diamond grinding wheel of the present invention is compared with existing use electro-plating roller formula skive, has the following advantages, refers to table 1.
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accompanying drawing illustrates:
The electron microscope scanning figure of Fig. 1 high accuracy drum-type of the present invention resin anchoring agent diamond grinding wheel section.
detailed description of the invention:
Set forth the present invention further below in conjunction with embodiment, but do not limit content of the present invention.
Embodiment 1:
High accuracy drum-type resin anchoring agent diamond grinding wheel of the present invention, comprise matrix and working abrasive layer, represent with weight percentage, the raw material of described working abrasive layer consists of diamond 18%, phenolic resins 36%, nanometer grade silica 22%, Nano-class zinc oxide 10%, nanometer ferro oxide 8% and nanoscale magnesium 6%.
The diamond adopted is polycrystalline self-sharpening diamond, and its granularity is 5 ~ 50 μm, and diamond concentration is 30 ~ 100%; The granularity of phenolic resins is 30 ~ 40 μm.
Embodiment 2: substantially the same manner as Example 1, difference is:
High accuracy drum-type resin anchoring agent diamond grinding wheel of the present invention, comprise matrix and working abrasive layer, represent with weight percentage, the raw material of described working abrasive layer consists of diamond 20%, phenolic resins 30%, nanometer grade silica 25%, Nano-class zinc oxide 15%, nanometer ferro oxide 6% and nanoscale magnesium 4%.
Embodiment 3: substantially the same manner as Example 1, difference is:
High accuracy drum-type resin anchoring agent diamond grinding wheel of the present invention, comprise matrix and working abrasive layer, represent with weight percentage, the raw material of described working abrasive layer consists of diamond 17%, phenolic resins 40%, nanometer grade silica 18%, Nano-class zinc oxide 12%, nanometer ferro oxide 10% and nanoscale magnesium 3%.
Embodiment 4: substantially the same manner as Example 1, difference is:
High accuracy drum-type resin anchoring agent diamond grinding wheel of the present invention, comprise matrix and working abrasive layer, represent with weight percentage, the raw material of described working abrasive layer consists of diamond 15%, phenolic resins 34%, nanometer grade silica 21%, Nano-class zinc oxide 20%, nanometer ferro oxide 5% and nanoscale magnesium 5%.
The diamond adopted is the copper coating of polycrystalline self-sharpening diamond, polycrystalline self-sharpening diamond, and wherein the diamond of non-plated copper and both diamonds weight ratio of plated copper are 2:1.
Embodiment 5: substantially the same manner as Example 1, difference is:
High accuracy drum-type resin anchoring agent diamond grinding wheel of the present invention, comprise matrix and working abrasive layer, represent with weight percentage, the raw material of described working abrasive layer consists of diamond 10%, polyimides 38%, nanometer grade silica 23%, Nano-class zinc oxide 18%, nanometer ferro oxide 8% and nanoscale magnesium 3%.
Embodiment 6: substantially the same manner as Example 1, difference is:
High accuracy drum-type resin anchoring agent diamond grinding wheel of the present invention, comprise matrix and working abrasive layer, represent with weight percentage, the raw material of described working abrasive layer consists of diamond 19%, polyimides 40%, nanometer grade silica 10%, Nano-class zinc oxide 20%, nanometer ferro oxide 10% and nanoscale magnesium 1%.
Embodiment 7: substantially the same manner as Example 1, difference is:
High accuracy drum-type resin anchoring agent diamond grinding wheel of the present invention, comprise matrix and working abrasive layer, represent with weight percentage, the raw material of described working abrasive layer consists of diamond 18%, phenolic resins 36%, nanometer grade silica 15%, Nano-class zinc oxide 16%, nanometer ferro oxide 9% and nanoscale magnesium 6%.
The diamond adopted is the plating nickel on surface of polycrystalline self-sharpening diamond, polycrystalline self-sharpening diamond, and wherein the diamond of non-plated nickel and both diamonds weight ratio of plated nickel are 1:1.
The preparation method of above-described embodiment 1-7 high accuracy drum-type of the present invention resin anchoring agent diamond grinding wheel, the detailed step of this preparation method is as follows:
A, first take various raw material according to the raw material composition and ratio ratio of the high accuracy drum-type resin anchoring agent diamond grinding wheel working abrasive layer described in any embodiment;
B, the resinoid bond taken (phenolic resins or polyimides), nanometer grade silica, Nano-class zinc oxide, nanometer ferro oxide and nanoscale magnesium to be mixed, obtain compound resin bonding agent;
C, phenol resin solution added in the diamond that takes and fully soak, the each raw material gross weight of every kg adds 4mL wetting agent liquid phenolic resin, diamond after wettability treatment adds in the compound resin bonding agent that step b obtains, and obtains molding mass after fully mixing;
The compound method of phenol resin solution for: first take two kinds of raw materials according to the ratio of both phenol-formaldehyde resin powder and absolute ethyl alcohol mass ratio 3:2, phenol-formaldehyde resin powder is added in absolute ethyl alcohol, makes it dissolve completely, finally obtaining solubility is 60% liquid phenolic resin;
D, the molding mass obtained by step c drop in the diamond cutting-into-cube mould assembled, then putting into four-column hydraulic press carries out hot-forming, first 6 times are exhausted under being warming up to 90 ± 5 DEG C of conditions, then 60min is incubated under being warming up to 185 ± 5 DEG C of conditions under 20 tons pressure, be cooled to less than 80 DEG C mould unloadings after insulation, obtain diamond block semi-finished product;
The diamond block semi-finished product obtained after e, steps d mould unloading are put into thermostatic drying chamber and are carried out regelate, and after solidification, products obtained therefrom is diamond block finished product;
The specific operation process of described regelate is: after the diamond block semi-finished product after mould unloading put into thermostatic drying chamber, first 100 DEG C of insulation 40min are warming up to by room temperature through 30min, then 120 DEG C of insulation 60min are warming up to through 20min, then 140 DEG C of insulation 30min are warming up to through 20min, then be warming up to 160 DEG C of insulation 30min through 20min, be then warming up to 185 DEG C of insulations 6 hours through 30min;
F, step e gained diamond block finished product is bonded in matrix outer wall surrounding by the regular dislocation of epoxyn, then carries out lathe process, repair and do dynamic balancing, finally obtain high accuracy drum-type resin anchoring agent diamond grinding wheel.
Claims (7)
1. a high accuracy drum-type resin anchoring agent diamond grinding wheel, described skive comprises matrix and working abrasive layer, it is characterized in that: represent with weight percentage, the raw material of described working abrasive layer consists of diamond 10 ~ 20%, resinoid bond 30 ~ 40%, nanometer grade silica 10 ~ 25%, Nano-class zinc oxide 10 ~ 20%, nanometer ferro oxide 5 ~ 10% and nanoscale magnesium 1 ~ 6%.
2. high accuracy drum-type resin anchoring agent diamond grinding wheel according to claim 1, is characterized in that: the raw material of described working abrasive layer consists of diamond 18%, resinoid bond 36%, nanometer grade silica 22%, Nano-class zinc oxide 10%, nanometer ferro oxide 8% and nanoscale magnesium 6%.
3. high accuracy drum-type resin anchoring agent diamond grinding wheel according to claim 1 and 2, is characterized in that: described resinoid bond is phenolic resins or polyimides, the granularity of described resinoid bond is 30 ~ 40 μm; Described diamond is polycrystalline self-sharpening diamond, and its granularity is 5 ~ 50 μm, and its diamond concentration is 30 ~ 100%.
4. high accuracy drum-type resin anchoring agent diamond grinding wheel according to claim 3, it is characterized in that: described polycrystalline self-sharpening diamond is copper coating or nickel plating polycrystalline self-sharpening diamond, wherein weight ratio both non-plated with gold hard rock and plated with gold hard rock is 1:2 ~ 3:1.
5. a preparation method for high accuracy drum-type resin anchoring agent diamond grinding wheel, is characterized in that, described preparation method comprises the following steps:
A, first take various raw material according to the raw material composition and ratio ratio of the high accuracy drum-type resin anchoring agent diamond grinding wheel working abrasive layer described in claim 1 or 2;
B, the resinoid bond taken, nanometer grade silica, Nano-class zinc oxide, nanometer ferro oxide and nanoscale magnesium to be mixed, obtain compound resin bonding agent;
C, phenol resin solution added in the diamond that takes and fully soak, the each raw material gross weight of every kg adds 1 ~ 5mL wetting agent liquid phenolic resin, diamond after wettability treatment adds in the compound resin bonding agent that step b obtains, and obtains molding mass after fully mixing;
D, the molding mass obtained by step c drop in the diamond cutting-into-cube mould assembled, then putting into four-column hydraulic press carries out hot-forming, first 2 ~ 9 times are exhausted under being warming up to 90 ± 5 DEG C of conditions, then 60min is incubated under being warming up to 185 ± 5 DEG C of conditions under 20 tons pressure, be cooled to less than 80 DEG C mould unloadings after insulation, obtain diamond block semi-finished product;
The diamond block semi-finished product obtained after e, steps d mould unloading are put into thermostatic drying chamber and are carried out regelate, and after solidification, products obtained therefrom is diamond block finished product;
F, step e gained diamond block finished product is bonded in matrix outer wall surrounding by the regular dislocation of epoxyn, then carries out lathe process, repair and do dynamic balancing, finally obtain high accuracy drum-type resin anchoring agent diamond grinding wheel.
6. the preparation method of high accuracy drum-type resin anchoring agent diamond grinding wheel according to claim 5, it is characterized in that, the compound method of phenol resin solution described in step c is: the ratio being first 3:2 according to phenol-formaldehyde resin powder and absolute ethyl alcohol mass ratio takes two kinds of raw materials, the phenol-formaldehyde resin powder taken is added in absolute ethyl alcohol, make it dissolve completely, finally obtain the phenol resin solution that solubility is 60%.
7. the preparation method of high accuracy drum-type resin anchoring agent diamond grinding wheel according to claim 5, it is characterized in that, the specific operation process of regelate described in step e is: after the diamond block semi-finished product after mould unloading put into thermostatic drying chamber, first 100 DEG C of insulation 30 ~ 60min are warming up to by room temperature through 30min, then 120 DEG C of insulation 30 ~ 60min are warming up to through 20min, then 140 DEG C of insulation 30 ~ 60min are warming up to through 20min, then be warming up to 160 DEG C of insulation 30 ~ 60min through 20min, be then warming up to 185 DEG C of insulations 4 ~ 8 hours through 30min.
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| CN109571288A (en) * | 2018-12-20 | 2019-04-05 | 山东华锐超硬工具有限公司 | A kind of super hard abrasive tool and preparation method thereof |
| CN109750192A (en) * | 2019-03-08 | 2019-05-14 | 王泰峰 | A kind of no-spark super abrasive braking brake disk and preparation method thereof |
| CN111360707A (en) * | 2020-03-23 | 2020-07-03 | 泉州市冠升新材料科技有限公司 | Preparation method of sharp epoxy resin binder diamond grinding tool |
| CN111975659A (en) * | 2018-07-24 | 2020-11-24 | 江苏赛扬精工科技有限责任公司 | Method for preparing cold saw grinding wheel with single bevel edge structure |
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| CN104440610B (en) | 2017-09-19 |
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