CN106914829A - A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel and preparation method thereof - Google Patents
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel and preparation method thereof Download PDFInfo
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- CN106914829A CN106914829A CN201710262883.7A CN201710262883A CN106914829A CN 106914829 A CN106914829 A CN 106914829A CN 201710262883 A CN201710262883 A CN 201710262883A CN 106914829 A CN106914829 A CN 106914829A
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- bonding agent
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- sharpening
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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
- 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
-
- 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
- B24D3/34—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)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, the abrasive material is prepared from by the raw material of following weight portion：15 25 parts of resin-oatmeal, 10 35 parts of micron order boron carbide powder, 45 65 parts of polycrystalline diamond abrasive, 15 parts of FeCrAl alloy fibers, 12 parts of wetting agent.The high self-sharpening resin bonding agent diamond coreless grinding wheel that the present invention is provided has the advantages that self-sharpening is high, crushing number of times is few, durability is high, improves processing efficiency compared with traditional resin bonding agent diamond coreless grinding wheel.In addition, improved mixing procedure efficiency high, batch mixing uniformity are good, it is capable of achieving to produce in enormous quantities, improves production efficiency.Mixing procedure of the invention using abrasive material and bonding agent respectively dry ball milling be further filled with wetting agent three-dimensional machine it is mixed by the way of, improve batch mixing efficiency and batch mixing uniformity effects.
Description
Technical field
The invention belongs to efficient precise grinding processing technique field, and in particular to a kind of high self-sharpening resinoid bond Buddha's warrior attendant
Stone coreless grinding wheel and preparation method thereof.
Background technology
With the continuous progress of precision processing technology, it is widely used to respectively using the grinding technique of skive
The corase grind and precision grinding process of class material, the grinding technique realize accurate and superfinishing in having become modern mechanical manufacturing field
Close processing is effective and widely used basic fundamental, is that high accuracy, the Ultra-precision Turning of great surface quality workpiece are laid a good foundation.
It is corresponding to be, high-performance, automation grinding machine equipment high to the performance requirement using grinding tools such as emery wheels also increasingly
It is high.
Skive is widely used to grinding hard alloy, pottery as the ideal tools of grinding hard brittle material
The materials such as porcelain, glass, stone material, semiconductor or field.Resin bonding agent diamond coreless grinding wheel is because possessing high accuracy, surface high
Quality and efficient processing characteristics and increasingly favored by client.
The resin bonding agent diamond coreless grinding wheel for using at present has the following disadvantages：
1）Emery wheel self-sharpening is poor；
2）Often, durability is low for crushing.
Usually the filler such as resin plus copper powder makes the resin anchoring agent diamond grinding wheel formula system that the country uses, especially
For major diameter, the coreless grinding wheel of thickness high, because the ductility of copper powder is good, easily emery wheel is blocked in grinding hard brittle material
Surface, causes the self-sharpening of emery wheel to be deteriorated, so that the grinding performance reduction of emery wheel.According to above-mentioned problem, in order to full
The process requirements of sufficient hard brittle material high, precision and frontier, are badly in need of a kind of high self-sharpening resin bonding agent diamond coreless grinding wheel of invention.
The content of the invention
Present invention aim to address current emery wheel self-sharpening difference and the low problem of durability, using certain formula and life
Production. art provides a kind of high self-sharpening resin bonding agent diamond coreless grinding wheel and preparation method thereof, improves processing efficiency, reaches
To the purpose for improving emery wheel self-sharpening and durability.
The purpose of the present invention is realized in the following manner：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, the abrasive material is by following
The raw material of weight portion is prepared from：Resin-oatmeal 15-25 parts, 10-35 parts of micron order boron carbide powder, polycrystalline diamond abrasive 45-65
Part, 1-5 parts, wetting agent 1-2 parts of FeCrAl alloy fibers.
The resin-oatmeal is imide resin powder or modified imide resin powder.
The wetting agent is cresols, polyvinyl alcohol or silane coupler.
6-10 μm of the diameter of the FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）Resin-oatmeal, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and wetting agent are entered in proportion
Row batch mixing, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 215-235 DEG C, hot pressing time 45-90min, pressure 2-15MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 95-105 DEG C, insulation through 1-1.5h
2-3h, 225-240 DEG C of holding temperature is warming up to through 2-3h, is incubated 10-12 hours, is taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
The step（1）First by polycrystalline diamond abrasive dry ball milling 1-2h, resin-oatmeal and micron order boron carbide powder dry method
Ball milling 2-3h, then the resin-oatmeal after FeCrAl alloy fibers and wetting agent, and ball milling, micron order boron carbide powder, polycrystalline is golden
Batch mixing 0.5-1h is that can obtain molding mass during hard rock abrasive material adds three-dimensional eddy current batch mixer.
Boron carbide hardness is high, and its Mohs' hardness is only second to super hard abrasive, the micron order boron carbide micro powder hardness in formula is high,
High-temperature stability and chemical stability are good, contain the sharp cutting basil, have certain assistant grinding to act on, while playing increasing
The effect of strong abrasive material bulk strength.
Polycrystalline diamond abrasive has rustic fold, and micro- sword is more, the features such as good toughness, this special construction and performance
The sharp ability and hardness of emery wheel can be improved, realized that emery wheel is certainly broken in Grinding Process, progressively exposed new sword, it is sustainable
From sharp, be conducive to improving the self-sharpening and durability of emery wheel, reduce the frequency of crushing.
Boron carbide powder and polycrystalline diamond abrasive can improve the sharp ability and hardness of emery wheel, be conducive to improving emery wheel
Self-sharpening and durability.
FeCrAl alloy fibers, 6-10 μm of diameter, length 0.5mm, with good conduction, heat conduction, magnetic conduction and high temperature resistant
Performance, with high resiliency and wearability, the present invention selects suitable draw ratio FeCrAl alloy fibers, can effectively increase emery wheel
Bonding agent intensity, is conducive to preferably being combined between bonding agent and each component, improves its holding intensity to abrasive material, improves emery wheel
Overall intensity.
Wetting agent is the temporary adhesive in resin abrasive tools molding mass, after it soaks abrasive surface, enables bonding agent
The uniform surface for being bonded at abrasive material, so as to the generation for preventing component to be layered.Wetting agent in the application can not only prevent component
Layering, and the cementitiousness of the face shape stability of resin abrasive tools, reinforcer and resin boundary surface can be improved.
Relative to prior art, the high self-sharpening resin bonding agent diamond coreless grinding wheel that the present invention is provided with it is traditional
Resin bonding agent diamond coreless grinding wheel is compared, and has the advantages that self-sharpening is high, crushing number of times is few, durability is high, is carried
Processing efficiency high.In addition, improved mixing procedure efficiency high, batch mixing uniformity are good, it is capable of achieving to produce in enormous quantities, improves life
Produce efficiency.Using abrasive material and bonding agent, dry ball milling is further filled with the mixed side of wetting agent three-dimensional machine to mixing procedure of the invention respectively
Formula, improves batch mixing efficiency and batch mixing uniformity effects.
Specific embodiment
Embodiment 1：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Resin-oatmeal 15-25 parts, 10-35 parts of micron order boron carbide powder, polycrystalline diamond abrasive 45-65 parts,
1-5 parts, wetting agent 1-2 parts of FeCrAl alloy fibers.
Resin-oatmeal is imide resin powder or modified imide resin powder.
Wetting agent is cresols, polyvinyl alcohol or silane coupler.
6-10 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）Resin-oatmeal, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and wetting agent are entered in proportion
Row batch mixing, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 215-235 DEG C, hot pressing time 45-90min, pressure 2-15MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 95-105 DEG C, insulation through 1-1.5h
2-3h, 225-240 DEG C of holding temperature is warming up to through 2-3h, is incubated 10-12 hours, is taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing etc.（Can not write, such as also have other operations detailed
Carefully enumerate）Operation, final inspection storage.
The step（1）First by polycrystalline diamond abrasive dry ball milling 1-2h, resin-oatmeal and micron order boron carbide powder dry method
Ball milling 2-3h, then the resin-oatmeal after FeCrAl alloy fibers and wetting agent, and ball milling, micron order boron carbide powder, polycrystalline is golden
Batch mixing 0.5-1h is that can obtain molding mass during hard rock abrasive material adds three-dimensional eddy current batch mixer.
Embodiment 2：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Polyimide resin powder 15kg, the kg of micron order boron carbide powder 10, the kg of polycrystalline diamond abrasive 45,
The kg of FeCrAl alloy fibers 1, the kg of cresols 1.
6 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）Polyimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and cresols are pressed
Ratio carries out batch mixing, obtains molding mass；
（2）Matrix and required molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, heat
Molded temperature is 215 DEG C, hot pressing time 45min, pressure 2MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 95 DEG C through 1h, 2h is incubated, through 2h
225 DEG C of holding temperature is warming up to, 10 hours are incubated, taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1h, polyimide resin powder and micron order boron carbide dried bean noodles
Method ball milling 2h, then by the polyimide resin powder after FeCrAl alloy fibers and cresols, and ball milling, micron order boron carbide powder,
Batch mixing 0.5h is that can obtain molding mass during polycrystalline diamond abrasive adds three-dimensional eddy current batch mixer.
Embodiment 3：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Bimaleimide resin powder 16kg, the kg of micron order boron carbide powder 12, polycrystalline diamond abrasive 47
The kg of kg, FeCrAl alloy fiber 1.5, the kg of polyvinyl alcohol 1.1.
7 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By bimaleimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and poly-
Vinyl alcohol carries out batch mixing in proportion, obtains molding mass；
（2）Matrix and required molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, heat
Molded temperature is 217 DEG C, hot pressing time 50min, pressure 4MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 96 DEG C through 1.05h, is incubated 2.1h,
226 DEG C of holding temperature is warming up to through 2.1h, 10.2 hours are incubated, taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.1h, bimaleimide resin powder and micron order are carbonized
Boron powder dry ball milling 2.1h, then by the bimaleimide resin powder after FeCrAl alloy fibers and polyvinyl alcohol, and ball milling,
Batch mixing 0.6h is that can obtain molding mass during micron order boron carbide powder, polycrystalline diamond abrasive add three-dimensional eddy current batch mixer.
Embodiment 4：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Organic-silicon-modified polyimide resin powder 17kg, the kg of micron order boron carbide powder 15, polycrystalline diamond
Stone mill material 49kg, FeCrAl alloy fiber 2 kg, the kg of cresols 1.2.
8 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By organic-silicon-modified polyimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloys
Fiber and cresols carry out batch mixing in proportion, obtain molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 219 DEG C, hot pressing time 55min, pressure 5MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 97 DEG C through 1.1h, is incubated 2.2h,
228 DEG C of holding temperature is warming up to through 2.2h, 10.4 hours are incubated, taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.2h, organic-silicon-modified polyimide resin powder and micro-
Meter level boron carbide powder dry ball milling 2.2h, then by FeCrAl alloy fibers and cresols, and ball milling after it is organic-silicon-modified poly-
Batch mixing 0.7h can be obtained during imide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive add three-dimensional eddy current batch mixer
To molding mass.
Embodiment 5：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Study of Epoxy-Imide Resin powder 18kg, micron order boron carbide powder 18 kg, polycrystalline diamond abrasive 50kg,
The kg of FeCrAl alloy fibers 2.5, the kg of silane coupler 1.3.
9 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By Study of Epoxy-Imide Resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and silane idol
Connection agent carries out batch mixing in proportion, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 220 DEG C, hot pressing time 60min, pressure 6MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 98 DEG C through 1.15h, is incubated 2.3h,
230 DEG C of holding temperature is warming up to through 2.3h, 10.6 hours are incubated, taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.3h, Study of Epoxy-Imide Resin powder and micron order boron carbide powder
Dry ball milling 2.3h, then by Study of Epoxy-Imide Resin powder, the micron after FeCrAl alloy fibers and silane coupler, and ball milling
Batch mixing 0.8h is that can obtain molding mass in level boron carbide powder, polycrystalline diamond abrasive addition three-dimensional eddy current batch mixer.
Embodiment 6：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Polyimide resin powder 19kg, micron order boron carbide powder 20 kg, polycrystalline diamond abrasive 52kg,
The kg of FeCrAl alloy fibers 3, the kg of silane coupler 1.4.
10 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By polyimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and silane idol
Connection agent carries out batch mixing in proportion, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 222 DEG C, hot pressing time 65min, pressure 7MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 99 DEG C through 1.2h, is incubated 2.4h,
232 DEG C of holding temperature is warming up to through 2.4h, 10.8 hours are incubated, taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.4h, polyimide resin powder and micron order boron carbide powder
Dry ball milling 2.4h, then by the polyimide resin powder after FeCrAl alloy fibers and silane coupler, and ball milling, micron order
Batch mixing 0.9h is that can obtain molding mass during boron carbide powder, polycrystalline diamond abrasive add three-dimensional eddy current batch mixer.
Embodiment 7：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Bimaleimide resin powder 20kg, the kg of micron order boron carbide powder 22, polycrystalline diamond abrasive
The kg of 54kg, FeCrAl alloy fiber 3.2, the kg of cresols 1.5.
6 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By bimaleimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and wet
Profit agent carries out batch mixing in proportion, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 225 DEG C, hot pressing time 70min, pressure 8MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 100 DEG C, insulation through 1.25h
2.5h, 233 DEG C of holding temperature is warming up to through 2.5h, is incubated 11 hours, is taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.5h, bimaleimide resin powder and micron order are carbonized
Boron powder dry ball milling 2.5h, then by bimaleimide resin powder, the micron after FeCrAl alloy fibers and cresols, and ball milling
Batch mixing 1h is that can obtain molding mass in level boron carbide powder, polycrystalline diamond abrasive addition three-dimensional eddy current batch mixer.
Embodiment 8：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Organic-silicon-modified polyimide resin powder 21kg, the kg of micron order boron carbide powder 25, polycrystalline diamond
Stone mill material 56kg, FeCrAl alloy fiber 3.5 kg, polyvinyl alcohol 1.6kg.
7 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By organic-silicon-modified polyimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloys
Fiber and polyvinyl alcohol carry out batch mixing in proportion, obtain molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 228 DEG C, hot pressing time 75min, pressure 10MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 101 DEG C through 1.3h, is incubated 2.6h,
235 DEG C of holding temperature is warming up to through 2.6h, 11.2 hours are incubated, taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.6h, organic-silicon-modified polyimide resin powder and micro-
Meter level boron carbide powder dry ball milling 2.6h, then by FeCrAl alloy fibers and polyvinyl alcohol, and ball milling after it is organic-silicon-modified
Polyimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive add three-dimensional eddy current batch mixer in batch mixing 0.5h be
Can obtain molding mass.
Embodiment 9：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Study of Epoxy-Imide Resin powder 22kg, micron order boron carbide powder 28 kg, polycrystalline diamond abrasive 58kg,
FeCrAl alloy fibers 3.8 kg, polyvinyl alcohol 1.7kg.
8 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By Study of Epoxy-Imide Resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and polyethylene
Alcohol carries out batch mixing in proportion, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 230 DEG C, hot pressing time 80min, pressure 11MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 102 DEG C, insulation through 1.35h
2.7h, 236 DEG C of holding temperature is warming up to through 2.7h, is incubated 11.5 hours, is taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.7h, Study of Epoxy-Imide Resin powder and micron order boron carbide powder
Dry ball milling 2.7h, then by Study of Epoxy-Imide Resin powder, the micron order after FeCrAl alloy fibers and polyvinyl alcohol, and ball milling
Batch mixing 0.6h is that can obtain molding mass during boron carbide powder, polycrystalline diamond abrasive add three-dimensional eddy current batch mixer.
Embodiment 10：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Cycloalkane modified polyimide resin powder 23kg, the kg of micron order boron carbide powder 30, polycrystalline diamond
Stone mill material 60kg, FeCrAl alloy fiber 4 kg, cresols 1.8kg.
9 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）Polyimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, the FeCrAl alloys that cycloalkane is modified
Fiber and cresols carry out batch mixing in proportion, obtain molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 232 DEG C, hot pressing time 85min, pressure 12MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 103 DEG C through 1.4h, is incubated 2.8h,
238 DEG C of holding temperature is warming up to through 2.8h, 11.6 hours are incubated, taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.8h, the modified polyimide resin powder of cycloalkane and micro-
Meter level boron carbide powder dry ball milling 2.8h, then by modified poly- of the cycloalkane after FeCrAl alloy fibers and cresols, and ball milling
Batch mixing 0.7h can be obtained during imide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive add three-dimensional eddy current batch mixer
To molding mass.
Embodiment 11：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Bimaleimide resin powder 24kg, the kg of micron order boron carbide powder 32, polycrystalline diamond abrasive
62kg, FeCrAl alloy fiber 4 .5kg, silane coupler 1.9kg.
10 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By bimaleimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and silicon
Alkane coupling agent carries out batch mixing in proportion, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 234 DEG C, hot pressing time 90min, pressure 14MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 104 DEG C, insulation through 1.45h
2.9h, 239 DEG C of holding temperature is warming up to through 2.9h, is incubated 11.8 hours, is taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 1.9h, bimaleimide resin powder and micron order are carbonized
Boron powder dry ball milling 2.9h, then by the bimaleimide resin after FeCrAl alloy fibers and silane coupler, and ball milling
Batch mixing 0.8h is that can obtain molding mass during powder, micron order boron carbide powder, polycrystalline diamond abrasive add three-dimensional eddy current batch mixer.
Embodiment 12：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Organic-silicon-modified polyimide resin powder 25kg, the kg of micron order boron carbide powder 35, polycrystalline diamond
Stone mill material 65kg, FeCrAl alloy fiber 5kg, polyvinyl alcohol 2kg.
6 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
The preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel described above, comprises the following steps that：
（1）By organic-silicon-modified polyimide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloys
Fiber and polyvinyl alcohol carry out batch mixing in proportion, obtain molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 235 DEG C, hot pressing time 90min, pressure 15MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 105 DEG C through 1.5h, is incubated 3h, warp
3h is warming up to 240 DEG C of holding temperature, is incubated 12 hours, is taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by polycrystalline diamond abrasive dry ball milling 2h, organic-silicon-modified polyimide resin powder and micron
Level boron carbide powder dry ball milling 2h, then by FeCrAl alloy fibers and polyvinyl alcohol, and ball milling after it is organic-silicon-modified poly-
Batch mixing 1h is that can obtain during imide resin powder, micron order boron carbide powder, polycrystalline diamond abrasive add three-dimensional eddy current batch mixer
Molding mass.
Embodiment 13：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Polyimide resin powder 22kg, a diameter of 1.5 μm of the kg of boron carbide powder 10, polycrystalline diamond abrasive
65kg, FeCrAl alloy fiber 3kg, polyvinyl alcohol 2kg.
6 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
215 DEG C of hot-forming temperature, hot pressing time 50min hardens 220 DEG C of holding temperature, and other are with embodiment 10.
Embodiment 14：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Bimaleimide resin powder 15kg, a diameter of 0.5 μm of the kg of boron carbide powder 35, polycrystalline diamond
Abrasive material 45kg, FeCrAl alloy fiber 5kg, cresols 1kg.
10 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
225 DEG C of hot-forming temperature, hot pressing 50min hardens 230 DEG C of holding temperature, and other are with embodiment 10.
Embodiment 15：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Organic-silicon-modified polyimide resin powder 25kg, a diameter of 5 μm of the kg of boron carbide powder 20, polycrystalline
Diamond abrasive 50kg, FeCrAl alloy fiber 5kg, silane coupler 1kg.
10 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
235 DEG C of hot-forming temperature, hot pressing 90min hardens 245 DEG C of holding temperature, and other are with embodiment 10.
Embodiment 16：
A kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight
The raw material of part is prepared from：Polyimide resin powder 21kg, a diameter of 3.5 μm of the kg of boron carbide powder 22, polycrystalline diamond abrasive
55kg, FeCrAl alloy fiber 2kg, silane coupler 1kg.
6 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
235 DEG C of hot-forming temperature, hot pressing 90min hardens 245 DEG C of holding temperature, and other are with embodiment 10.
Comparative example：
A kind of general resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, abrasive material is by following weight portion
Raw material be prepared from：The kg of the kg of phenol-formaldehyde resin powder 20, the kg of copper powder 15, carborundum 15 kg, RVD diamond abrasive 45, oxidation
The kg of calcium 4, the kg of cresols wetting agent 1.
The preparation method of comparative example, it is specific as follows：
（1）Phenol-formaldehyde resin powder, copper powder, carborundum, RVD diamond abrasives, calcium oxide, cresols wetting agent raw material are carried out in proportion
Batch mixing, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 185 DEG C, hot pressing time 60min, pressure 12MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 105 DEG C through 1,2h is incubated, through 2h
185 DEG C of holding temperature is warming up to, 8 hours are incubated, taken out after being naturally cooling to 60 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
Step（1）First by hand lapping 30min in cresols wetting agent addition RVD diamond abrasives, then unclassified stores is added
Enter, batch mixing 1h can obtain molding mass in being put into three-dimensional eddy current batch mixer.
For grinding YG12 bars, high self-sharpening resin bonding agent diamond coreless grinding wheel prepared by embodiment 13-16
Grinding test Comparative result with comparative example is shown in Table 1.
High self-sharpening resin bonding agent diamond coreless grinding wheel prepared by embodiment 13-16 is right with what traditional handicraft made
Show than embodiment wheel grinding result of the test：
1）High self-sharpening resin bonding agent diamond coreless grinding wheel grinding spindle power prepared by embodiment 13- 16 is below
Comparative example's emery wheel, finishing number of times reduces more than half, and the grinding performance of emery wheel is better than comparative example, emery wheel self-sharpening
Good, finishing number of times is few, and durability is high；
2）The spindle power of embodiment 16, finishing number of times, emery wheel radial direction waste and volume grinding ratio are superior to other embodiments,
Combination property is best；
3）The emery wheel radial direction waste of embodiment 13 is higher than comparative example, and volume grinding ratio is less than embodiment, illustrates its emery wheel
Life-span be slightly below embodiment emery wheel, but its spindle power, finishing number of times are superior to comparative example, the self-sharpening of emery wheel and plus
Work efficiency rate remains above comparative example's emery wheel.
Above-described is only the preferred embodiment of the present invention, it is noted that for a person skilled in the art,
Under the premise of general idea of the present invention is not departed from, some changes and improvements can also be made, these should also be considered as of the invention
Protection domain.
Claims (6)
1. a kind of high self-sharpening resin bonding agent diamond coreless grinding wheel, including matrix and abrasive material, it is characterised in that：It is described
Abrasive material is prepared from by the raw material of following weight portion：Resin-oatmeal 15-25 parts, 10-35 parts of micron order boron carbide powder, polycrystalline diamond
45-65 parts of stone mill material, 1-5 parts, wetting agent 1-2 parts of FeCrAl alloy fibers.
2. high self-sharpening resin bonding agent diamond coreless grinding wheel according to claim 1, it is characterised in that：The tree
Cosmetics is imide resin powder or modified imide resin powder.
3. high self-sharpening resin bonding agent diamond coreless grinding wheel according to claim 1, it is characterised in that：It is described wet
Profit agent is cresols, polyvinyl alcohol or silane coupler.
4. high self-sharpening resin bonding agent diamond coreless grinding wheel according to claim 1, it is characterised in that：It is described
6-10 μm of the diameter of FeCrAl alloy fibers, length 0.5mm.
5. the preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel as claimed in claim 1, its feature exists
In：Comprise the following steps that：
（1）Resin-oatmeal, micron order boron carbide powder, polycrystalline diamond abrasive, FeCrAl alloy fibers and wetting agent are entered in proportion
Row batch mixing, obtains molding mass；
（2）Matrix and molding mass are loaded in mould, emery wheel blank is prepared by certain moulding process on hot press, be hot pressed into
Type temperature is 215-235 DEG C, hot pressing time 45-90min, pressure 2-15MPa；
（3）Emery wheel blank after hot pressing is positioned in hardening baking oven, oven temperature rises to 95-105 DEG C, insulation through 1-1.5h
2-3h, 225-240 DEG C of holding temperature is warming up to through 2-3h, is incubated 10-12 hours, is taken out after being naturally cooling to 40 DEG C；
（4）Emery wheel blank after hardening is bonded assembling, rough turn matrix, matrix smart car, determines matrix datum level, matrix by multi-disc
Aperture smart car, emery wheel abrasive material end face and cylindrical finishing put the first edge on a knife or a pair of scissors, do dynamic balancing operation, final inspection storage.
6. the preparation method of high self-sharpening resin bonding agent diamond coreless grinding wheel according to claim 1, its feature
It is：The step（1）First by polycrystalline diamond abrasive dry ball milling 1-2h, resin-oatmeal and micron order boron carbide powder dry ball milling
2-3h, then by the resin-oatmeal after FeCrAl alloy fibers and wetting agent, and ball milling, micron order boron carbide powder, polycrystalline diamond
Batch mixing 0.5-1h is that can obtain molding mass during abrasive material adds three-dimensional eddy current batch mixer.
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| CN108129067A (en) * | 2017-12-30 | 2018-06-08 | 苏州赛尔科技有限公司 | A kind of ceramic substrate segmentation diamond scribing knife and preparation method thereof |
| CN108838910A (en) * | 2018-06-21 | 2018-11-20 | 江苏赛扬精工科技有限责任公司 | A kind of resin base coreless grinding wheel and preparation method thereof |
| CN109015425A (en) * | 2018-06-26 | 2018-12-18 | 郑州磨料磨具磨削研究所有限公司 | A kind of resin bond wheel and preparation method thereof |
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| CN109551381A (en) * | 2018-12-29 | 2019-04-02 | 柳州凯通新材料科技有限公司 | A kind of processing technology of metal anchoring agent diamond wheel |
| CN112428163A (en) * | 2020-11-17 | 2021-03-02 | 东莞市晶菱磨料磨具科技有限公司 | Production formula and production process of resin polishing wheel |
| CN114131520A (en) * | 2021-12-09 | 2022-03-04 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel for highlight cutter machining, and preparation method and application thereof |
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