CN109262477A - A kind of ceramic metal composite bonding agent utilizes the preparation method of its obtained manufacture of diamond dressing roller and the idler wheel - Google Patents
A kind of ceramic metal composite bonding agent utilizes the preparation method of its obtained manufacture of diamond dressing roller and the idler wheel Download PDFInfo
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- CN109262477A CN109262477A CN201811330337.3A CN201811330337A CN109262477A CN 109262477 A CN109262477 A CN 109262477A CN 201811330337 A CN201811330337 A CN 201811330337A CN 109262477 A CN109262477 A CN 109262477A
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- bonding agent
- diamond
- metal composite
- ceramic metal
- composite bonding
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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
- B24D3/04—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 inorganic
- B24D3/06—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 inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
-
- 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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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
A kind of ceramic metal composite bonding agent utilizes the preparation method of its obtained manufacture of diamond dressing roller and the idler wheel, belong to crushing technical field, the finishing grinding wheel is composed of the following weight percentages of raw materials: 40-70% ceramic metal composite bonding agent, 10-15% diamond, 15-50% corundum powder；The wherein composition of ceramic metal composite bonding agent are as follows: 40 ~ 45wt%SiO2, 1 ~ 5wt%GeO2, 10 ~ 20wt%B2O3, 3 ~ 5wt%Al2O3, 5 ~ 8wt%ZnO, 10 ~ 13wt%Li2O, 1 ~ 5wt%Bi2O3, 0.5 ~ 1.5wt%ZrO2, 0.2 ~ 0.8wt%Y2O3, 5 ~ 10wt%Cu, 2 ~ 8wt%Bi, 1 ~ 2wt%Sn.
Description
Technical field
It is obtained the invention belongs to crushing technical field more particularly to a kind of ceramic metal composite bonding agent, using it
Manufacture of diamond dressing roller and the idler wheel preparation method.
Background technique
Manufacture of diamond dressing roller has an advantage that (1) high production efficiency: finishing grinding wheel and grinding workpiece or workpiece loading and unloading
It carries out, promptly the finishing of high-precision complicated surface can be duplicated onto grinding wheel outer surface simultaneously；(2) long service life: idler wheel is
Using artificial and natural gem grade diamond manufacture, the grinding wheel after finishing can keep for a long time workpiece size precision stability and compared with
The interchangeability of high workpiece's qualification rate, workpiece is good, and cost per unit is low.
The advantages that vitrified CBN wheel has thermo-chemical stability good, and grinding efficiency is high, and grinding accuracy is good, is widely used
In the grinding of ferrous metal.In use, due to grinding area high temperature, adherency the effects of, the mill on stone surface
Grain can be gradually passivated；Meanwhile the abrasive grain on stone surface can lose original geometry because of uneven wear；In addition,
Since the abrasive dust of high-speed grinding is very tiny, it is easy to block stone surface void.To make CBN grinding wheel remain good
Grinding status, grinding wheel must be modified in grinding process.
Currently, being mainly electroplated diamond idler wheel and sintered diamond idler wheel for modifying the idler wheel of vitrified CBN wheel.But
Electroplated diamond idler wheel only has one layer of diamond, and abrasion is very fast, and service life is limited；Bonding agent is to gold in sintered diamond idler wheel
Hard rock holding power is strong, long service life, but as the abrasion of idler wheel, diamond abrasive grain or cvd diamond item cannot go out again
Sword, the CBN grinding wheel sharpness modified can also reduce after idler wheel passivation, to cause the burn of workpiece and the overproof situation of roughness
Occur.
Summary of the invention
The purpose of the present invention is to provide a kind of ceramic metal composite bonding agents, the manufacture of diamond dressing roller obtained using it
And the preparation method of the idler wheel.
Based on above-mentioned purpose, the present invention is adopted the following technical scheme that:
A kind of ceramet bonding agent, is made of: 40 ~ 45wt%SiO following raw materials2, 1 ~ 5wt% GeO2, 10 ~ 20wt%B2O3, 3 ~
5wt%Al2O3, 5 ~ 8wt%ZnO, 10 ~ 13wt%Li2O, 1 ~ 5wt%Bi2O3, 0.5 ~ 1.5wt%ZrO2, 0.2 ~ 0.8wt%Y2O3, 5 ~
10wt%Cu, 2 ~ 8wt%Bi, 1 ~ 2wt%Sn.
Further, the composition of the ceramic metal composite bonding agent are as follows: 43wt%SiO2, 2wt% GeO2, 15wt%B2O3,
4wt%Al2O3, 6wt%ZnO, 11wt%Li2O, 3wt%Bi2O3, 1wt%ZrO2, 0.5wt%Y2O3, 8wt%Cu, 5wt%Bi, 1.5wt%
Sn。
A kind of ceramic metal composite bonding agent manufacture of diamond dressing roller, is composed of the following weight percentages of raw materials: 40-
70% ceramic metal composite bonding agent, 10-15% diamond, 15-50% corundum powder.
The diamond grit is 35/40-170/200.(diamond grit identification method is according to " GB_T in the application
6406-2016_ super hard abrasive granularity is examined " in diamond grit mark and test stone are identified).
Further, the corundum powder refer to white fused alumina, Brown Alundum, single alundum, microcrystal fused alumina, in fused alumina zirconia
One kind, particle size range W2.5-W40.
The preparation method of the ceramic metal composite bonding agent manufacture of diamond dressing roller, characterized in that including walking as follows
It is rapid:
(1) diamond particles are subjected to spraying wetting with atoleine, make diamond particles weight gain 5-8%；
(2) ceramic metal composite bonding agent and corundum powder are uniformly mixed, are crossed 80 mesh screen 3 ~ 5 times；
(3) the mixed material of step (2) is slowly added in step (1), is uniformly mixed；
(4) step (3) resulting mixture is added in graphite jig, using vacuum heating-press sintering, sintering curre are as follows: 10-
The speed of 15 DEG C/min is warming up to 500 DEG C, and pressurize 10-20MPa, heat-insulation pressure keeping 3-5min, and the speed of 15-20 DEG C/min is warming up to
750-800 DEG C, pressurize 20-40MPa, heat-insulation pressure keeping 10-20min；
(6) post-processing is carried out up to ceramic metal composite bonding agent diamond roller by drawing after cooling and demolding.
Beneficial effects of the present invention: (1) ceramic metal composite bonding agent containing high-content in the present invention, diamond roller
For flexural strength up to 180-220MPa, the porosity effectively improves the service life of idler wheel between 10-20%.
(2) a certain amount of corundum powder is added in the present invention, is on the one hand enhanced the intensity of bonding agent carcass, on the other hand may be used
To reduce the oxidation of diamond abrasive grain in idler wheel.
(3) present invention effectively reduces the sintering temperature of idler wheel, promotion finishes by adding metal in vitrified bond
Mixture has the advantage of continued sharpness while being kept for the high life to the holding power of diamond, the ceramic CBN modified with it
Grinding wheel has grinding accuracy and durability high, and service life can promote 30% or more.
Detailed description of the invention
Ceramic metal composite bonding agent diamond roller microscopic appearance figure prepared by Fig. 1 embodiment 1.
Specific embodiment
Further details of the technical solution of the present invention combined with specific embodiments below, but protection model of the invention
It encloses and is not limited thereto.
Embodiment 1
A kind of ceramic metal composite bonding agent manufacture of diamond dressing roller, is composed of the following weight percentages of raw materials: 40% ceramic metal
Belong to combined binder, 10% diamond, 50% corundum powder；The wherein composition of ceramic metal composite bonding agent are as follows: 43wt%SiO2,
2wt% GeO2, 15wt%B2O3, 4wt%Al2O3, 6wt%ZnO, 11wt%Li2O, 3wt%Bi2O3, 1wt%ZrO2, 0.5wt%Y2O3,
8wt%Cu, 5wt%Bi, 1.5wt%Sn.
The diamond grit is 170/200.
Further, the corundum powder refers to white fused alumina, granularity W40.
The preparation method of the ceramic metal composite bonding agent manufacture of diamond dressing roller, includes the following steps:
(1) diamond particles are subjected to spraying wetting with atoleine, make diamond particles weight gain 6%；
(2) ceramic metal composite bonding agent and corundum powder are uniformly mixed, are crossed 80 mesh screen 3 times；
(3) the mixed material of step (2) is slowly added in step (1), is uniformly mixed；
(4) step (3) resulting mixture is added in graphite jig, using vacuum heating-press sintering；Sintering curre are as follows: 15
DEG C/speed of min is warming up to 500 DEG C, pressurize 15MPa, heat-insulation pressure keeping 5min, and the speed of 20 DEG C/min is warming up to 800 DEG C, pressurization
20MPa, heat-insulation pressure keeping 10min.
(5) post-processing is carried out up to ceramic metal composite bonding agent diamond roller by drawing after cooling and demolding.
The ceramic metal composite bonding agent manufacture of diamond dressing roller microstructure of above-mentioned preparation is as shown in Figure 1, the porosity
20%, pore opening is consistent, is evenly distributed, and idler wheel flexural strength is up to 180MPa.It is prepared into diameter 109mm, diamond layer thickness
The idler wheel of 1.5mm, for modifying the ceramic CBN inner circle grinding abrasive disk of diameter 4mm, durability is promoted after modifying compared with metal sintering idler wheel
60%, wheel life is up to 2650 or more.
Embodiment 2
A kind of ceramic metal composite bonding agent manufacture of diamond dressing roller, is composed of the following weight percentages of raw materials: 70% ceramic metal
Belong to combined binder, 15% diamond, 15% corundum powder；The wherein composition of ceramic metal composite bonding agent are as follows: 43wt%SiO2,
2wt% GeO2, 15wt%B2O3, 4wt%Al2O3, 6wt%ZnO, 11wt%Li2O, 3wt%Bi2O3, 1wt%ZrO2, 0.5wt%Y2O3,
8wt%Cu, 5wt%Bi, 1.5wt%Sn.
The diamond grit is 35/40.
Further, the corundum powder refers to Brown Alundum, granularity W2.5.
The preparation method of the ceramic metal composite bonding agent manufacture of diamond dressing roller, includes the following steps:
(1) diamond particles are subjected to spraying wetting with atoleine, make diamond particles weight gain 8%；
(2) ceramic metal composite bonding agent and corundum powder are uniformly mixed, are crossed 80 mesh screen 4 times；
(3) the mixed material of step (2) is slowly added in step (1), is uniformly mixed；
(4) the resulting mixture of step 3 is added in graphite jig, using vacuum heating-press sintering；Sintering curre are as follows: 10 DEG C/
The speed of min is warming up to 500 DEG C, and pressurize 20MPa, heat-insulation pressure keeping 5min, and the speed of 15 DEG C/min is warming up to 750 DEG C, pressurization
40MPa, heat-insulation pressure keeping 20min；
(5) post-processing is carried out up to ceramic metal composite bonding agent diamond roller by drawing after cooling and demolding.
The ceramic bond diamond contact roller for dressing porosity 10% of above-mentioned preparation, pore opening is consistent, is evenly distributed, rolling
Flexural strength is taken turns up to 220MPa.It is prepared into diameter 200mm, the idler wheel of diamond layer thickness 2mm, for modifying diameter 450mm
Ceramic CBN outer circle grinding abrasive disk, the reachable ± 0.005mm of workpiece accuracy, service life of roller compared with electroplated diamond idler wheel promoted 50%.
Embodiment 3
A kind of ceramic metal composite bonding agent manufacture of diamond dressing roller, is composed of the following weight percentages of raw materials: 50% ceramic metal
Belong to combined binder, 12% diamond, 38% corundum powder；The wherein composition of ceramic metal composite bonding agent are as follows: 40wt%SiO2,
5wt% GeO2, 10wt%B2O3, 5wt%Al2O3, 5wt%ZnO, 10wt%Li2O, 5wt%Bi2O3, 0.5wt%ZrO2, 0.5wt%Y2O3,
10wt%Cu, 8wt%Bi, 1wt%Sn.
The diamond grit is 50/60.
Further, the corundum powder refers to single alundum, range W10.
The preparation method of the ceramic metal composite bonding agent manufacture of diamond dressing roller, includes the following steps:
(1) diamond particles are subjected to spraying wetting with atoleine, make diamond particles weight gain 5%；
(2) ceramic metal composite bonding agent and corundum powder are uniformly mixed, are crossed 80 mesh screen 5 times；
(3) the mixed material of step (2) is slowly added in step (1), is uniformly mixed；
(4) step (3) resulting mixture is added in graphite jig, using vacuum heating-press sintering, sintering curre are as follows: 12
DEG C/speed of min is warming up to 500 DEG C, pressurize 15MPa, heat-insulation pressure keeping 4min, and the speed of 18 DEG C/min is warming up to 790 DEG C, pressurization
30MPa, heat-insulation pressure keeping 15min；
(5) post-processing is carried out up to ceramic metal composite bonding agent diamond roller by drawing after cooling and demolding.
The ceramic bond diamond contact roller for dressing porosity 15% of above-mentioned preparation, pore opening is consistent, is evenly distributed, rolling
Flexural strength is taken turns up to 190MPa.It is prepared into diameter 400mm, the idler wheel of diamond layer thickness 2mm, for modifying diameter 32mm's
Ceramic CBN inner circle grinding abrasive disk, durability promote 90% after modifying compared with metal sintering idler wheel, and wheel life is up to 5300 or more.
Embodiment 4
A kind of ceramic metal composite bonding agent manufacture of diamond dressing roller, is composed of the following weight percentages of raw materials: 55% ceramic metal
Belong to combined binder, 13% diamond, 32% corundum powder；The wherein composition of ceramic metal composite bonding agent are as follows: 45wt%SiO2,
1wt% GeO2, 20wt%B2O3, 5wt%Al2O3, 5wt%ZnO, 10wt%Li2O, 5wt%Bi2O3, 0.5wt%ZrO2, 0.5wt%Y2O3,
5wt%Cu, 2wt%Bi, 1wt%Sn.
The diamond grit is 80/100.
Further, the corundum powder refers to microcrystal fused alumina, granularity W20.
The preparation method of the ceramic metal composite bonding agent manufacture of diamond dressing roller, includes the following steps:
(1) diamond particles are subjected to spraying wetting with atoleine, make diamond particles weight gain 6%；
(2) ceramic metal composite bonding agent and corundum powder are uniformly mixed, are crossed 80 mesh screen 3 times；
(3) the mixed material of step (2) is slowly added in step (1), is uniformly mixed；
(4) step (3) resulting mixture is added in graphite jig, using vacuum heating-press sintering；Sintering curre are as follows: 12
DEG C/speed of min is warming up to 500 DEG C, pressurize 18MPa, heat-insulation pressure keeping 4min, and the speed of 17 DEG C/min is warming up to 780 DEG C, pressurization
36MPa, heat-insulation pressure keeping 17min；
(5) post-processing is carried out up to ceramic metal composite bonding agent diamond roller by drawing after cooling and demolding.
The ceramic bond diamond contact roller for dressing porosity 13% of above-mentioned preparation, pore opening is consistent, is evenly distributed, rolling
Flexural strength is taken turns up to 200MPa.It is prepared into diameter 150mm, the idler wheel of diamond layer thickness 1.4mm, for modifying diameter
The ceramic end face the CBN grinding abrasive disk of 450mm, the reachable ± 0.007mm of workpiece accuracy, service life of roller are promoted compared with electroplated diamond idler wheel
50%.Wheel life is up to 15000 or more.
Embodiment 5
A kind of ceramic metal composite bonding agent manufacture of diamond dressing roller, is composed of the following weight percentages of raw materials: 60% ceramic metal
Belong to combined binder, 14% diamond, 26% corundum powder；The wherein composition of ceramic metal composite bonding agent are as follows: 42wt%SiO2,
3wt% GeO2, 15wt%B2O3, 3wt%Al2O3, 7wt%ZnO, 13wt%Li2O, 2wt%Bi2O3, 1.5wt%ZrO2, 0.8wt%Y2O3,
5.2wt%Cu, 6wt%Bi, 1.5wt%Sn.
The diamond grit is 120/140.
Further, the corundum powder refers to fused alumina zirconia, granularity W28.
The preparation method of the ceramic metal composite bonding agent manufacture of diamond dressing roller, includes the following steps:
(1) diamond particles are subjected to spraying wetting with atoleine, make diamond particles weight gain 6%；
(2) ceramic metal composite bonding agent and corundum powder are uniformly mixed, are crossed 80 mesh screen 3 times；
(3) the mixed material of step (2) is slowly added in step (1), is uniformly mixed；
(4) step (3) resulting mixture is added in graphite jig, using vacuum heating-press sintering, sintering curre are as follows: 11
DEG C/speed of min is warming up to 500 DEG C, pressurize 15MPa, heat-insulation pressure keeping 5min, and the speed of 18 DEG C/min is warming up to 770 DEG C, pressurization
30MPa, heat-insulation pressure keeping 16min；
(5) post-processing is carried out up to ceramic metal composite bonding agent diamond roller by drawing after cooling and demolding.
The ceramic bond diamond contact roller for dressing porosity 11.5% of above-mentioned preparation, pore opening is consistent, is evenly distributed,
Idler wheel flexural strength is up to 210MPa.It is prepared into diameter 110mm, the idler wheel of diamond layer thickness 1.6mm, for modifying diameter
The ceramic CBN inner circle grinding abrasive disk of 45mm, durability promote 120% after modifying compared with metal sintering idler wheel, and wheel life is up to 22000
It is more than part.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (7)
1. a kind of ceramet bonding agent, characterized in that be made of following raw materials: 40 ~ 45wt%SiO2, 1 ~ 5wt% GeO2, 10 ~
20wt%B2O3, 3 ~ 5wt%Al2O3, 5 ~ 8wt%ZnO, 10 ~ 13wt%Li2O, 1 ~ 5wt%Bi2O3, 0.5 ~ 1.5wt%ZrO2, 0.2 ~
0.8wt%Y2O3, 5 ~ 10wt%Cu, 2 ~ 8wt%Bi, 1 ~ 2wt%Sn.
2. ceramet bonding agent according to claim 1, characterized in that be made of following raw materials: 43wt%SiO2, 2wt%
GeO2, 15wt%B2O3, 4wt%Al2O3, 6wt%ZnO, 11wt%Li2O, 3wt%Bi2O3, 1wt%ZrO2, 0.5wt%Y2O3, 8wt%Cu,
5wt%Bi, 1.5wt%Sn.
3. the ceramic metal composite bonding agent manufacture of diamond dressing roller obtained using the ceramet bonding agent of claims 1 or 22,
It is characterized in that being composed of the following weight percentages of raw materials: 40-70% ceramic metal composite bonding agent, 10-15% diamond, 15-
50% corundum powder.
4. ceramic metal composite bonding agent manufacture of diamond dressing roller according to claim 3, characterized in that the diamond grain
Degree is 35/40 to 170/200.
5. ceramic metal composite bonding agent manufacture of diamond dressing roller according to claim 3, characterized in that the corundum powder
Refer to that white fused alumina, Brown Alundum, single alundum, microcrystal fused alumina, fused alumina zirconia one of are worked as, particle size range W2.5-W40.
6. the preparation method of ceramic metal composite bonding agent manufacture of diamond dressing roller as claimed in claim 3, characterized in that including
Following steps:
(1) diamond particles are subjected to spraying wetting with atoleine, make diamond particles weight gain 5-8%；
(2) ceramic metal composite bonding agent and corundum powder are uniformly mixed, are crossed 80 mesh screen 3 ~ 5 times；
(3) the mixed material of step (2) is added in step (1), is uniformly mixed；
(4) step (3) resulting mixture is added in graphite jig, using vacuum heating-press sintering；
(5) post-processing is carried out up to ceramic metal composite bonding agent diamond roller by drawing after cooling and demolding.
7. the preparation method of ceramic metal composite bonding agent manufacture of diamond dressing roller according to claim 6, characterized in that institute
Stating step (4) vacuum heating-press sintering, detailed process is as follows: the speed of 10-15 DEG C/min is warming up to 500 DEG C, and pressurize 10-
20MPa, heat-insulation pressure keeping 3-5min, the speed of 15-20 DEG C/min are warming up to 750-800 DEG C, and pressurize 20-40MPa, heat-insulation pressure keeping
10-20min。
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| CN201811330337.3A CN109262477B (en) | 2018-11-09 | 2018-11-09 | Ceramic-metal composite bonding agent, diamond dressing roller obtained by using same and preparation method of roller |
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| CN111993297A (en) * | 2020-08-13 | 2020-11-27 | 武汉理工大学 | Preparation method of ceramic-metal composite diamond dresser |
| CN112548881A (en) * | 2020-12-03 | 2021-03-26 | 西安博奥达金刚石工磨具有限公司 | Preparation method of diamond roller for efficiently finishing CBN grinding wheel |
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