CN104440599A - Brown fused alumina smoke composite base material for grinding wheel, manufacturing method and grinding wheel - Google Patents
Brown fused alumina smoke composite base material for grinding wheel, manufacturing method and grinding wheel Download PDFInfo
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- CN104440599A CN104440599A CN201410634921.3A CN201410634921A CN104440599A CN 104440599 A CN104440599 A CN 104440599A CN 201410634921 A CN201410634921 A CN 201410634921A CN 104440599 A CN104440599 A CN 104440599A
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- emery wheel
- flue dust
- brown alundum
- matrix material
- powder
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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
-
- 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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a brown fused alumina smoke composite base material for a grinding wheel, a manufacturing method and the grinding wheel. The brown fused alumina smoke composite base material comprises, by weight, 30% to 60% of brown fused alumina smoke, 25% to 55% of phenolic resin, 5% to 20% of metal powder and 0.2% to 2% of silane coupling agents. According to the brown fused alumina smoke composite base material, components of the base material comprise phenolic resin the same as or similar to a grinding material layer in component and smoke recycling objects generated in the brown fused alumina production process, the interfacial compatibility between the base material and the grinding material layer is good, interface bonding strength is high, and the grinding material layer is not prone to decyclizaiton or off-falling; the brown fused alumina smoke composite base material has the self-consumption function and can fall off like the grinding material layer under the grinding force action when making contact with a workpiece without damaging the workpiece, the utilization rate of the grinding wheel can be increased, and the grinding quality of the grinding wheel can be improved; the grinding wheel using phenolic resin bonding agents has the function of compression resistance, vibration reduction and improving the machining quality of the grinding wheel.
Description
Technical field
The invention belongs to emery wheel technical field, be specifically related to a kind of emery wheel Brown Alundum flue dust compound matrix material, also relate to a kind of preparation method of emery wheel Brown Alundum flue dust compound matrix material simultaneously and use the emery wheel of this matrix material.
Background technology
Emery wheel refers to the bonded abrasive tool having through hole with the central authorities that abrasive material and bonding agent etc. are made, and it is the one that in grinding tool, consumption is maximum, use face is the widest, High Rotation Speed during use, is applicable to process various metal and nonmetallic materials.Emery wheel of a great variety, different emery wheel can be roughly ground the cylindrical of workpiece, inner circle, plane and various profiles etc. respectively, half fine grinding and fine grinding, and cuts off and fluting etc.Emery wheel is different by abrasive material used, is divided into conventional abrasive material (corundum and carborundum etc.) emery wheel and super hard abrasive (diamond and cubic boron nitride) emery wheel two class.
Super-abrasive grinding wheel is the emery wheel made with diamond or cubic boron nitride abrasive materials, generally comprises matrix and abrasive material.The matrix material that traditional super-abrasive grinding wheel is conventional is aluminum substrate, steel matrix etc.Grinding wheel base body blank made by above-mentioned matrix material after preparatory processing, then carries out hot-forming together with abrasive material or bonded on matrix by abrasive material and prepare emery wheel.As patent CN202922423U discloses a kind of bowl-type resin diamond grinding wheel, comprise bowl-type aluminum substrate, bowl-type aluminum substrate bottom centre is provided with fixing hole, and the upper edge of bowl-type aluminum substrate is provided with annular working layer; Patent CN103600308A discloses a kind of preparation method of combined binder skive, its step 3) be that the steel matrix processed is inserted in mould, namely use steel matrix.The shortcoming of above-mentioned matrix is: (1) interface bond strength between abrasive material and matrix is low, the easy decylization of abrasive material or fall block; (2) matrix does not have from consumption effect in grinding process, meeting disfiguring workpiece, causes the surface quality of workpiece to be machined to reduce even emery wheel and cannot continue to use; (3) matrix rigid and abrasive material matching poor, reduce wheel grinding quality.
Summary of the invention
The object of this invention is to provide a kind of emery wheel Brown Alundum flue dust compound matrix material, solve existing super-abrasive grinding wheel matrix and abrasive material interface bond strength is low, without from consumption effect, easily processing work is produced to the problem of damage.
Second object of the present invention is to provide a kind of preparation method of emery wheel Brown Alundum flue dust compound matrix material.
3rd object of the present invention is to provide a kind of emery wheel using above-mentioned Brown Alundum flue dust compound matrix material.
In order to realize above object, the technical solution adopted in the present invention is: a kind of emery wheel Brown Alundum flue dust compound matrix material, comprises the component of following mass percent: Brown Alundum flue dust 30% ~ 60%, phenolic resins 25% ~ 55%, metal powder 5% ~ 20%, silane coupler 0.2% ~ 2%.
Described Brown Alundum flue dust is the fume recovery thing discharged in Brown Alundum production process.
Described phenolic resins is thermosetting phenolic resin.
Described metal powder be in copper powder, iron powder, aluminium powder, glass putty, zinc powder any one or multiple.
Described iron powder is reduced iron powder.
Described silane coupler be in gamma-aminopropyl-triethoxy-silane (KH550), γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane (KH560), γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570) any one or multiple.
A preparation method for above-mentioned emery wheel Brown Alundum flue dust compound matrix material, comprises the following steps:
1) after getting silane coupler dilute with water, add Brown Alundum flue dust, mix rear drying, sieve, obtain mixed powder A;
2) phenol-formaldehyde resin powder, metal powder and step 1 is got) gained mixed powder A mixes, and obtains mixed powder B;
3) by step 2) gained mixed powder B is placed in mould, hot-forming, obtains described emery wheel Brown Alundum flue dust compound matrix material.
Step 1) in, described extension rate is not less than 100 times.
Step 1) in, the temperature of described drying is 80 ~ 100 DEG C, and drying time is 8 ~ 12h.
Step 3) in, described hot-forming temperature is 160 ~ 200 DEG C, insulation 30 ~ 120min.
Described Brown Alundum flue dust is the fume recovery material produced in Brown Alundum production process, and main component is Al
2o
3, SiO
2deng, its particle diameter distribute and dial gauge as shown in table 1 below.Carry out grading by after Brown Alundum fume recovery, corresponding grinding wheel base body prepared by the main abrasive size of Selection radio abrasive material little 50% and above Brown Alundum fume recovery material.
The grade of table 1 Brown Alundum flue dust is distributed and percentage table
| Particle diameter (μm) | Percentage (%) | Accumulative (%) |
| 0.00～1.00 | 32.29 | 32.29 |
| 1.00～3.00 | 20.68 | 52.97 |
| 3.00～6.00 | 9.68 | 62.65 |
| 6.00～10.00 | 2.98 | 65.54 |
| 10.00～15.00 | 1.93 | 64.47 |
| 15.00～20.00 | 3.34 | 70.81 |
| 20.00～25.00 | 2.33 | 73.14 |
| 25.00～30.00 | 2.86 | 76.00 |
| ≥30 | 33.91 | 100 |
Described phenol-formaldehyde resin powder is thermosetting phenol-formaldehyde resin powder.The technical conditions of described phenol-formaldehyde resin powder are as shown in table 2.
The technical conditions of table 2 thermosetting phenol-formaldehyde resin powder
| Project | Requirement |
| Outward appearance | Powdered |
| ≤ 30 μm of particle size content (%) | ≥95 |
| Fusing point (DEG C) | ≥85 |
| 150 DEG C of gel times (S) | 60～300 |
Particle diameter≤100 μm of described metal powder.
A kind of emery wheel, comprise matrix and the abrasive material being attached to matrix surface, described matrix is above-mentioned matrix material, and described abrasive material comprises abrasive material and bonding agent, and described bonding agent contains phenolic resins.
Wherein, described abrasive material comprises the component of following percent by volume: diamond 25% ~ 30%, phenolic resins 35% ~ 60%, copper powder 5% ~ 12%, Al
2o
310% ~ 28%.
Emery wheel Brown Alundum flue dust compound matrix material of the present invention, primarily of Brown Alundum flue dust, phenolic resins, metal powder, silane coupler composition, in described matrix material, Brown Alundum flue dust is as the inorganic phase in matrix material, has to fill to strengthen, participate in grinding and from consumption effect; Described phenol-formaldehyde resin powder, as the continuous phase in matrix material, mainly plays bonding effect, and has the effect strengthened with abrasive material interface cohesion; Described metal powder has effects such as filling enhancing, heat conduction; Described silane coupler has the effect improving each inter-phase forces.
This compound matrix material compared with prior art has the following advantages:
1) this compound matrix material and abrasive material bond strength high, be particularly useful for phenolic resin binder super-abrasive grinding wheel; Containing the resin comparatively close with abrasive material performance and inorganic matter in matrix composition, phenolic resins in compound matrix material is identical or close with the phenolic resins composition in grinding wheel bond, interface compatibility between matrix and abrasive material is good, interface bond strength is high, abrasive material not easily decylization or fall block; Abrasive material decyclizing rate is made to drop to less than 5%;
2) this compound matrix material has from consumption effect, because the main component of the Brown Alundum flue dust in matrix material is identical with conventional abrasive material composition or close, can come off as abrasive material under grinding force effect with during absorption surface, can not disfiguring workpiece, and utilization rate and the grinding quality of emery wheel can be improved;
3) this compound matrix material is used for bakelite bonded wheel, has the effect of resistance to compression, vibration damping, raising emery wheel crudy.
Further, Brown Alundum flue dust in this compound matrix material adopts the fume recovery material in Brown Alundum production process, atmosphere pollution (flue dust) in Brown Alundum production process is recycled, energy-conserving and environment-protective, reach the object of waste reclamation and reduction matrix cost.
The preparation method of emery wheel Brown Alundum flue dust compound matrix material of the present invention, is the surface first silane coupler being sprayed at Brown Alundum flue dust, then mixes with phenol-formaldehyde resin powder, metal powder, die-filling hot-forming according to emery wheel specification; Silane coupler is attached to the surface of Brown Alundum flue dust uniformly, enhances the adhesion between each component powder, thus improves the intensity of matrix material; This preparation method can make matrix mould according to the shape of emery wheel and specification, thus regulates the shape and size of grinding wheel base body; Preparation method's technique is simple, and easy to operate, be easy to Automated condtrol, cost is low, is applicable to large-scale industrial production.
Emery wheel of the present invention, a kind of bakelite bonded wheel, with comprise Brown Alundum flue dust, phenolic resins, metal powder, silane coupler compound matrix material for matrix, matrix surface is attached with abrasive material, abrasive material comprises abrasive material and bonding agent, and described bonding agent contains phenolic resins; Matrix plays support and bonding effect, to complete grinding process to abrasive material in emery wheel; Phenolic resins in matrix is identical or close with the phenolic resins composition in grinding wheel bond, and the interface compatibility between matrix and abrasive material is good, and interface bond strength is high, abrasive material not easily decylization or fall block; Matrix has from consumption effect, and during this stone, matrix can come off under grinding force effect as abrasive material, can not disfiguring workpiece, and can improve utilization rate and the grinding quality of emery wheel; Meanwhile, resistance to compression, the damping effect of this emery wheel are strong, and crudy is high, has broad application prospects.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1 gained phenolic resin binder mill solid tool relief angle emery wheel;
Fig. 2 is the structural representation of a kind of phenolic resin binder mill of embodiment 2 gained PCB cutter emery wheel.
Fig. 3 is the structural representation of laboratory sample " 8 " block in experimental example 1;
Fig. 4 is the structural representation of laboratory sample oilstone bar in experimental example 1;
Fig. 5 is the structural representation of laboratory sample " 8 " block in experimental example 2;
Fig. 6 is the structural representation of laboratory sample oilstone bar in experimental example 2.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated.
Embodiment 1
The emery wheel Brown Alundum flue dust compound matrix material of the present embodiment, comprises the component of following mass percent:
Wherein, described copper powder is electrolytic copper powder, granularity 300 order, purity >=95%.
The emery wheel preparation method of Brown Alundum flue dust compound matrix material of the present embodiment, comprises the following steps:
1) get γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), after the dilution ratio dilute with water of 1:100, be sprayed onto Brown Alundum flue dust surface with vaporific, after mixing, be placed in 80 DEG C of dry 12h of convection oven, sieve, obtain mixed powder A;
2) thermosetting phenol-formaldehyde resin powder of formula ratio, copper powder and step 1 is got) gained mixed powder A, be placed in batch mixer, 2h is to mixing in mixing dispersion, obtains mixed powder B;
3) matrix mould is selected, by step 2 according to grinding wheel shape specification) gained mixed powder B is placed in mould, strikes off, be placed in hot press operating desk, flatten 170 DEG C of hot pressing, and make it shaping according to workpiece size insulation 100min, obtain emery wheel Brown Alundum flue dust compound matrix material.
According to the forming requirements of emery wheel, by for subsequent use after the processing of gained emery wheel Brown Alundum flue dust compound matrix material.
The emery wheel of the present embodiment, as shown in Figure 1, be the emery wheel of a kind of phenolic resin binder mill solid tool relief angle, comprise bowl-type matrix 1, bowl-type base bottom center is provided with installing hole; Bowl-type matrix upper edge outer surface is provided with annular abrasive layer 2, and abrasive material 2 exceeds the upper edge of matrix 1; Described matrix 1 is the matrix material of the present embodiment gained, and described abrasive material 2 comprises abrasive material and bonding agent, and described bonding agent contains phenolic resins.
The abrasive material of the present embodiment, comprises the component of following percent by volume:
In the present embodiment, in matrix material, the particle diameter of Brown Alundum flue dust is less by more than 50% than the particle diameter of abrasive material in the grinding-wheel grinder bed of material, and concrete grade is distributed as shown in table 1.
Embodiment 2
The emery wheel Brown Alundum flue dust compound matrix material of the present embodiment, comprises the component of following mass percent:
Wherein, described copper powder is electrolytic copper powder, granularity 300 order, purity >=95%.
The emery wheel preparation method of Brown Alundum flue dust compound matrix material of the present embodiment, comprises the following steps:
1) γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane (KH560) is got, after the dilution ratio dilute with water of 1:120, be sprayed onto Brown Alundum flue dust surface with vaporific, after mixing, be placed in 100 DEG C of dry 8h of convection oven, sieve, obtain mixed powder A;
2) thermosetting phenol-formaldehyde resin powder of formula ratio, copper powder and step 1 is got) gained mixed powder A, be placed in batch mixer, 2h is to mixing in mixing dispersion, obtains mixed powder B;
3) matrix mould is selected, by step 2 according to grinding wheel shape specification) gained mixed powder B is placed in mould, strikes off, be placed in hot press operating desk, flatten 200 DEG C of hot pressing, and make it shaping according to workpiece size insulation 30min, obtain emery wheel Brown Alundum flue dust compound matrix material.
According to the forming requirements of emery wheel, by for subsequent use after the processing of gained emery wheel Brown Alundum flue dust compound matrix material.
The emery wheel of the present embodiment, as shown in Figure 2, be a kind of phenolic resin binder mill PCB cutter emery wheel, comprise collar plate shape matrix 1, the center of matrix 1 is provided with installing hole, and the outer peripheral face of collar plate shape matrix 1 is provided with annular abrasive layer 2; Described matrix 1 is the matrix material of the present embodiment gained, and described abrasive material 2 comprises abrasive material and bonding agent, and described bonding agent contains phenolic resins.
The abrasive material of the present embodiment, comprises the component of following percent by volume:
In the present embodiment, in matrix material, the particle diameter of Brown Alundum flue dust is less by more than 50% than the particle diameter of abrasive material in the grinding-wheel grinder bed of material, and concrete grade is distributed as shown in table 1.
Embodiment 3
The emery wheel Brown Alundum flue dust compound matrix material of the present embodiment, comprises the component of following mass percent:
The emery wheel preparation method of Brown Alundum flue dust compound matrix material of the present embodiment, comprises the following steps:
1) get gamma-aminopropyl-triethoxy-silane (KH550), after the dilution ratio dilute with water of 1:150, be sprayed onto Brown Alundum flue dust surface with vaporific, after mixing, be placed in 90 DEG C of dry 10h of convection oven, sieve, obtain mixed powder A;
2) thermosetting phenol-formaldehyde resin powder of formula ratio, iron powder and step 1 is got) gained mixed powder A, be placed in batch mixer, 2h is to mixing in mixing dispersion, obtains mixed powder B;
3) matrix mould is selected, by step 2 according to grinding wheel shape specification) gained mixed powder B is placed in mould, strikes off, be placed in hot press operating desk, flatten 160 DEG C of hot pressing, and make it shaping according to workpiece size insulation 120min, obtain emery wheel Brown Alundum flue dust compound matrix material.
According to the forming requirements of emery wheel, by for subsequent use after the processing of gained emery wheel Brown Alundum flue dust compound matrix material.
The emery wheel of the present embodiment, comprise matrix and the abrasive material being attached to matrix surface, described matrix is the matrix material of the present embodiment gained, and described abrasive material comprises abrasive material and bonding agent, and described bonding agent contains phenolic resins.
The abrasive material of the present embodiment, comprises the component of following percent by volume:
In the present embodiment, in matrix material, the particle diameter of Brown Alundum flue dust is less by more than 50% than the particle diameter of abrasive material in the grinding-wheel grinder bed of material, and concrete grade is distributed as shown in table 1.
Embodiment 4
The emery wheel Brown Alundum flue dust compound matrix material of the present embodiment, comprises the component of following mass percent:
The emery wheel preparation method of Brown Alundum flue dust compound matrix material of the present embodiment, comprises the following steps:
1) γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane (KH560) is got, after the dilution ratio dilute with water of 1:140, be sprayed onto Brown Alundum flue dust surface with vaporific, after mixing, be placed in 80 DEG C of dry 10h of convection oven, sieve, obtain mixed powder A;
2) thermosetting phenol-formaldehyde resin powder of formula ratio, aluminium powder and step 1 is got) gained mixed powder A, be placed in batch mixer, 2h is to mixing in mixing dispersion, obtains mixed powder B;
3) matrix mould is selected, by step 2 according to grinding wheel shape specification) gained mixed powder B is placed in mould, strikes off, be placed in hot press operating desk, flatten 180 DEG C of hot pressing, and make it shaping according to workpiece size insulation 80min, obtain emery wheel Brown Alundum flue dust compound matrix material.
According to the forming requirements of emery wheel, by for subsequent use after the processing of gained emery wheel Brown Alundum flue dust compound matrix material.
The emery wheel of the present embodiment, comprise matrix and the abrasive material being attached to matrix surface, described matrix is the matrix material of the present embodiment gained, and described abrasive material comprises abrasive material and bonding agent, and described bonding agent contains phenolic resins.
The abrasive material of the present embodiment, comprises the component of following percent by volume:
In the present embodiment, in matrix material, the particle diameter of Brown Alundum flue dust is less by more than 50% than the particle diameter of abrasive material in the grinding-wheel grinder bed of material, and concrete grade is distributed as shown in table 1.
Embodiment 5
The emery wheel Brown Alundum flue dust compound matrix material of the present embodiment, comprises the component of following mass percent:
The emery wheel preparation method of Brown Alundum flue dust compound matrix material of the present embodiment, comprises the following steps:
1) get γ-(methacryloxypropyl) propyl trimethoxy silicane (KH570), after the dilution ratio dilute with water of 1:160, be sprayed onto Brown Alundum flue dust surface with vaporific, after mixing, be placed in 100 DEG C of dry 8h of convection oven, sieve, obtain mixed powder A;
2) thermosetting phenol-formaldehyde resin powder of formula ratio, iron powder and step 1 is got) gained mixed powder A, be placed in batch mixer, 2h is to mixing in mixing dispersion, obtains mixed powder B;
3) matrix mould is selected, by step 2 according to grinding wheel shape specification) gained mixed powder B is placed in mould, strikes off, be placed in hot press operating desk, flatten 190 DEG C of hot pressing, and make it shaping according to workpiece size insulation 60min, obtain emery wheel Brown Alundum flue dust compound matrix material.
According to the forming requirements of emery wheel, by for subsequent use after the processing of gained emery wheel Brown Alundum flue dust compound matrix material.
The emery wheel of the present embodiment, comprise matrix and the abrasive material being attached to matrix surface, described matrix is the matrix material of the present embodiment gained, and described abrasive material comprises abrasive material and bonding agent, and described bonding agent contains phenolic resins.
The abrasive material of the present embodiment, comprises the component of following percent by volume:
In the present embodiment, in matrix material, the particle diameter of Brown Alundum flue dust is less by more than 50% than the particle diameter of abrasive material in the grinding-wheel grinder bed of material, and concrete grade is distributed as shown in table 1.
Experimental example 1
The emery wheel Brown Alundum flue dust compound matrix material of this experimental example to embodiment 1 ~ 5 carries out mechanical performance detection.Detection method is: prepare test oilstone bar and " 8 " block (as shown in Figure 3,4) according to the formula of embodiment 1 ~ 5 and preparation method respectively, utilize universal testing machine and Rockwell apparatus to carry out measuring mechanical property to the oilstone bar of preparation and " 8 " block, test result is as shown in table 3.
Wherein, the matrix material of comparative example 1, comprises the component of following mass percent: phenol-formaldehyde resin powder 20%, copper powder 58%, glass putty 20%, liquid phenolic resin 2%.
The mechanical performance testing result of table 3 compound matrix material
| Object | Tensile strength/Mpa | Rupture strength/Mpa | Hardness/HRB |
| Embodiment 1 | 22.5 | 89.5 | 28 |
| Embodiment 2 | 24.7 | 92.3 | 30 |
| Embodiment 3 | 29.2 | 99.6 | 33 |
| Embodiment 4 | 21.5 | 87.2 | 31 |
| Embodiment 5 | 27.6 | 89.6 | 29 |
| Comparative example 1 | 16.7 | 69.8 | 31 |
As can be seen from Table 3, the emery wheel Brown Alundum flue dust compound matrix material of embodiment 1 ~ 5 is when hardness is substantially close with comparative example, and tensile strength and rupture strength are all much larger than comparative example.Experimental result shows, emery wheel Brown Alundum flue dust compound matrix material of the present invention has higher mechanical performance.
Experimental example 2
The interface bond strength of this experimental example to the matrix in embodiment 1 ~ 5 and comparative example emery wheel and abrasive material detects.Detection method is: prepare test oilstone bar and " 8 " block according to the formula of embodiment 1 ~ 5 and preparation method respectively, as shown in Figure 5,6, abrasive material 4 is attached on the working face of matrix 3; Utilize universal testing machine to carry out Mechanics Performance Testing to above-mentioned sample, test result is as shown in table 4.
Wherein, the matrix material of comparative example 1 is with experimental example 1, and abrasive material is with embodiment 2; The matrix of comparative example 2 is alloy matrix aluminum material, and abrasive material is with embodiment 2; The matrix of comparative example 3 is firm basic material, and abrasive material is with embodiment 2.
The interface bond strength testing result of table 4 matrices of composite material and abrasive material
| Object | Tensile strength/Mpa | Rupture strength/Mpa |
| Embodiment 1 | 19.2 | 76.2 |
| Embodiment 2 | 21.3 | 79.5 |
| Embodiment 3 | 22.8 | 82.6 |
| Embodiment 4 | 18.5 | 74.3 |
| Embodiment 5 | 21.6 | 75.8 |
| Comparative example 1 | 16.5 | 69.6 |
| Comparative example 2 | 14.3 | 59.7 |
| Comparative example 3 | 12.8 | 55.4 |
As can be seen from Table 4, in the emery wheel of embodiment 1 ~ 5, the interface bond strength of matrix and abrasive material is all higher than comparative example 1,2 and 3.Experimental result shows, after Brown Alundum flue dust compound matrix material of the present invention makes emery wheel, the bond strength of matrix and abrasive material is all better than aluminium alloy of the prior art, steel matrix emery wheel.
Experimental example 3
This experimental example detects the surface quality of workpiece after the serviceability of the emery wheel of embodiment 1 ~ 5 and processing.Detection method is: detect the workpiece surface roughness after the wheel grinding of employing embodiment 1 ~ 5 respectively, and add up the decyclizing rate in abrasive wheel forming and use procedure, result is as shown in table 5.
Wherein, comparative example is with experimental example 2.
The serviceability of the emery wheel of table 5 embodiment 1 ~ 5 and quality measurements
| Object | Roughness/Ra (um) | Decyclizing rate |
| Embodiment 1 | 0.07 | 5％ |
| Embodiment 2 | 0.06 | 0 |
| Embodiment 3 | 0.06 | 2％ |
| Embodiment 4 | 0.05 | 0 |
| Embodiment 5 | 0.05 | 0 |
| Comparative example 1 | 0.10 | 15％ |
| Comparative example 2 | 0.12 | 18％ |
| Comparative example 3 | 0.14 | 25％ |
Note: institute's processing work is carbide alloy, HRA92.
For the emery wheel of embodiment 1 ~ 5 and comparative example 1 ~ 3, by carrying out grinding experiment and following the tracks of process of manufacture, obtain grinding quality as shown in table 5 and emery wheel decyclizing rate.As can be seen from Table 5, compare with comparative example 1,2 and 3, adopt the emery wheel of fused alumina smoke dust compound matrix material of the present invention, the surface roughness value processing workpiece is little, and emery wheel finished product decyclizing rate is in use low.Experimental result shows, the emery wheel adopting fused alumina smoke dust compound matrix material of the present invention to prepare has higher grinding quality and excellent serviceability.
Claims (10)
1. an emery wheel Brown Alundum flue dust compound matrix material, is characterized in that: the component comprising following mass percent: Brown Alundum flue dust 30% ~ 60%, phenolic resins 25% ~ 55%, metal powder 5% ~ 20%, silane coupler 0.2% ~ 2%.
2. emery wheel Brown Alundum flue dust compound matrix material according to claim 1, is characterized in that: described Brown Alundum flue dust is the fume recovery thing discharged in Brown Alundum production process.
3. emery wheel Brown Alundum flue dust compound matrix material according to claim 1 and 2, is characterized in that: described metal powder be in copper powder, iron powder, aluminium powder, glass putty, zinc powder any one or multiple.
4. emery wheel Brown Alundum flue dust compound matrix material according to claim 3, is characterized in that: described iron powder is reduced iron powder.
5. emery wheel Brown Alundum flue dust compound matrix material according to claim 1 and 2, it is characterized in that: described silane coupler be in gamma-aminopropyl-triethoxy-silane, γ-(2,3-epoxy third oxygen) propyl trimethoxy silicane, γ-(methacryloxypropyl) propyl trimethoxy silicane any one or multiple.
6. a preparation method for emery wheel Brown Alundum flue dust compound matrix material as claimed in claim 1, is characterized in that: comprise the following steps:
1) after getting silane coupler dilute with water, add Brown Alundum flue dust, mix rear drying, sieve, obtain mixed powder A;
2) phenol-formaldehyde resin powder, metal powder and step 1 is got) gained mixed powder A mixes, and obtains mixed powder B;
3) by step 2) gained mixed powder B is placed in mould, hot-forming, obtains described emery wheel Brown Alundum flue dust compound matrix material.
7. the preparation method of emery wheel Brown Alundum flue dust compound matrix material according to claim 6, is characterized in that: step 1) in, described extension rate is not less than 100 times.
8. the preparation method of emery wheel Brown Alundum flue dust compound matrix material according to claim 6, is characterized in that: step 1) in, the temperature of described drying is 80 ~ 100 DEG C, and drying time is 8 ~ 12h.
9. the preparation method of emery wheel Brown Alundum flue dust compound matrix material according to claim 6, is characterized in that: step 3) in, described hot-forming temperature is 160 ~ 200 DEG C, insulation 30 ~ 120min.
10. an emery wheel, comprises matrix and the abrasive material being attached to matrix surface, it is characterized in that: described matrix is matrix material according to claim 1, and described abrasive material comprises abrasive material and bonding agent, and described bonding agent contains phenolic resins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410634921.3A CN104440599B (en) | 2014-11-12 | 2014-11-12 | A kind of emery wheel Brown Alundum flue dust compound matrix material, preparation method and emery wheel |
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Cited By (11)
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| CN108296993A (en) * | 2017-12-21 | 2018-07-20 | 白鸽磨料磨具有限公司 | A kind of heavy duty grinding wheel combined binder, heavy duty grinding wheel and preparation method thereof |
| CN108890543A (en) * | 2018-07-18 | 2018-11-27 | 佛山市鼎和超硬材料制品有限公司 | A kind of energy-saving and environment-friendly metal chamfering wheel and preparation method thereof |
| CN108972923A (en) * | 2018-08-23 | 2018-12-11 | 沈阳中科超硬磨具磨削研究所 | A kind of ultra-thin cast-cutting saw slice of high-precision resin |
| CN109159034A (en) * | 2018-07-31 | 2019-01-08 | 秦皇岛道天精密磨具有限公司 | Plastic substrate grinding tool, the manufacturing method of tool matrix and material used |
| CN109609087A (en) * | 2018-12-29 | 2019-04-12 | 江苏华东砂轮有限公司 | A kind of high heat dissipation abrasive material and preparation method thereof |
| CN109693173A (en) * | 2017-10-24 | 2019-04-30 | 扬州五亭桥缸套有限公司 | A kind of honing stone |
| CN109794862A (en) * | 2019-03-11 | 2019-05-24 | 江苏赛扬精工科技有限责任公司 | Stainless steel pulp cavity reamer combined binder CBN grinding wheel and its application |
| CN112677060A (en) * | 2020-12-15 | 2021-04-20 | 珠海市巨海科技有限公司 | Resin binder superhard grinding wheel and manufacturing method thereof |
| CN114105616A (en) * | 2021-11-30 | 2022-03-01 | 中钢集团洛阳耐火材料研究院有限公司 | Novel low-loss protective material for rocket launching platform |
| CN114478036A (en) * | 2022-02-24 | 2022-05-13 | 重庆市赛特刚玉有限公司 | Foam mud and production method thereof |
| CN115338785A (en) * | 2022-08-19 | 2022-11-15 | 安徽凯耐德研磨制品有限公司 | Manufacturing method of KF powerful polishing piece |
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| CN109693173A (en) * | 2017-10-24 | 2019-04-30 | 扬州五亭桥缸套有限公司 | A kind of honing stone |
| CN108296993A (en) * | 2017-12-21 | 2018-07-20 | 白鸽磨料磨具有限公司 | A kind of heavy duty grinding wheel combined binder, heavy duty grinding wheel and preparation method thereof |
| CN108890543A (en) * | 2018-07-18 | 2018-11-27 | 佛山市鼎和超硬材料制品有限公司 | A kind of energy-saving and environment-friendly metal chamfering wheel and preparation method thereof |
| CN109159034B (en) * | 2018-07-31 | 2024-10-15 | 秦皇岛道天精密磨具有限公司 | Plastic matrix grinding tool, manufacturing method of grinding tool matrix and used material |
| CN109159034A (en) * | 2018-07-31 | 2019-01-08 | 秦皇岛道天精密磨具有限公司 | Plastic substrate grinding tool, the manufacturing method of tool matrix and material used |
| CN108972923A (en) * | 2018-08-23 | 2018-12-11 | 沈阳中科超硬磨具磨削研究所 | A kind of ultra-thin cast-cutting saw slice of high-precision resin |
| CN109609087A (en) * | 2018-12-29 | 2019-04-12 | 江苏华东砂轮有限公司 | A kind of high heat dissipation abrasive material and preparation method thereof |
| CN109794862A (en) * | 2019-03-11 | 2019-05-24 | 江苏赛扬精工科技有限责任公司 | Stainless steel pulp cavity reamer combined binder CBN grinding wheel and its application |
| CN109794862B (en) * | 2019-03-11 | 2020-04-24 | 江苏赛扬精工科技有限责任公司 | Composite binder CBN grinding wheel for stainless steel medullary cavity reamer and application thereof |
| CN112677060A (en) * | 2020-12-15 | 2021-04-20 | 珠海市巨海科技有限公司 | Resin binder superhard grinding wheel and manufacturing method thereof |
| CN114105616A (en) * | 2021-11-30 | 2022-03-01 | 中钢集团洛阳耐火材料研究院有限公司 | Novel low-loss protective material for rocket launching platform |
| CN114105616B (en) * | 2021-11-30 | 2023-11-14 | 中钢集团洛阳耐火材料研究院有限公司 | Rocket launching platform low-loss protective material |
| CN114478036A (en) * | 2022-02-24 | 2022-05-13 | 重庆市赛特刚玉有限公司 | Foam mud and production method thereof |
| CN115338785A (en) * | 2022-08-19 | 2022-11-15 | 安徽凯耐德研磨制品有限公司 | Manufacturing method of KF powerful polishing piece |
| CN115338785B (en) * | 2022-08-19 | 2024-09-27 | 安徽凯耐德研磨制品有限公司 | Manufacturing method of KF (KF) powerful polishing sheet |
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