CN102814747B - A kind of CBN resin wheel and preparation method thereof - Google Patents
A kind of CBN resin wheel and preparation method thereof Download PDFInfo
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- CN102814747B CN102814747B CN201210267162.2A CN201210267162A CN102814747B CN 102814747 B CN102814747 B CN 102814747B CN 201210267162 A CN201210267162 A CN 201210267162A CN 102814747 B CN102814747 B CN 102814747B
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Abstract
The present invention discloses a kind of CBN resin wheel and preparation method thereof, and it is made up of the CBN abrasive material 50-60 of following weight portion, white fused alumina abrasive material 5-10, carborundum powder 5-10, phenol-formaldehyde resin powder 5-15, liquid phenolic resin 2-6, n-BMA 1-2, Nano dolomite powder 5-10, nano quartz sand powder 5-10, polyamide wax micropowder 2-5, steel scrap powder 2-5.The present invention with the addition of ceramic material in filler, and its adhesive property is good, makes abrasive material difficult drop-off, and improves heat resistance and the hardness of resin wheel, reduces the crackle that rigidity grinding is formed, thus improves service efficiency and the life-span of resin wheel; Also added comminuted steel shot metal dust in addition, rapid heat dissipation, be conducive to dissipating fast the amount of heat that emery wheel is released in cutting process, play the effect reducing cutting temperature.
Description
Technical field
The present invention relates to a kind of CBN resin wheel and preparation method thereof, belong to finishing technical field.
Background technology
Emery wheel is a topmost class grinding tool in grinding.Emery wheel adds bonding agent in abrasive material, the porous body made through pressed compact, drying and roasting.Emery wheel is the one that in grinding tool, consumption is maximum, use face is the widest, High Rotation Speed during use, can roughly grind, half fine grinding and fine grinding and fluting and cut-out etc. to the cylindrical of metal or non-metal workpiece, inner circle, plane and various profiles etc.Material in order to bonded abrasive in emery wheel claims bonding agent, and the performance of bonding agent determines the intensity of emery wheel, impact resistance, heat resistance and resistance to corrosion.Current bonding agent is mainly divided into four kinds, pottery, resin, rubber and metal, and wherein resinoid bond intensity is high, elasticity is large, shock-resistant, is applicable to the high-speed grinding of v>50m/s, can be made into disc wheel, for slot grinding, cutting etc.Resin wheel is referred to as the emery wheel of bonding agent with resin.
Resin wheel divides by abrasive material and is generally divided into ordinary resin emery wheel and superhard resin wheel.Ordinary resin emery wheel take conventional abrasive materials such as white fused alumina, Brown Alundum, carborundum as the emery wheel of main grinding composition, and superhard resin wheel take diamond or CBN as the emery wheel of main grinding composition.Resin wheel has that grinding force is little, grinding temperature is low, self-sharpening is good, grinding efficiency advantages of higher, is widely used in the grinding of the hard brittle materials such as carbide alloy, pottery, glass.We know, up to now the ratio that CBN abrasive material participates in ablation in resin wheel only has an appointment 10%, major part CBN abrasive material is because of poor with its adhesion, be heated in grinding process, or too early the coming off by the impact of external force, thus constrain service efficiency and the life-span of resin wheel to a great extent.
Summary of the invention
The invention provides a kind of CBN resin wheel and preparation method thereof, in filler, with the addition of ceramic material, its adhesive property is good, makes abrasive material difficult drop-off, and improves heat resistance and the hardness of resin wheel, reduces the crackle that rigidity grinding is formed.
The present invention adopts following technical scheme:
A kind of CBN resin wheel, it is characterized in that, it is made up of the raw material of following weight portion:
CBN abrasive material 50-60, white fused alumina abrasive material 5-10, carborundum powder 5-10, phenol-formaldehyde resin powder 5-15, liquid phenolic resin 2-6, n-BMA 1-2, Nano dolomite powder 5-10, nano quartz sand powder 5-10, polyamide wax micropowder 2-5, steel scrap powder 2-5.
The weight portion of the described each raw material components of CBN resin wheel is as one of formula each in following table:
| Raw material | CBN abrasive material | White fused alumina abrasive material | Carborundum powder | Phenol-formaldehyde resin powder | Liquid phenolic resin | N-BMA | Nano dolomite powder | Nano quartz sand powder | Polyamide wax micropowder | Steel scrap powder |
| Formula 1 | 50 | 5 | 6 | 5 | 2 | 1.2 | 5 | 5 | 2 | 2 |
| Formula 2 | 54 | 8 | 9 | 8 | 4 | 1.6 | 7 | 6 | 3 | 4 |
| Formula 3 | 58 | 10 | 11 | 12 | 6 | 1.8 | 8 | 9 | 4 | 4 |
| Formula 4 | 60 | 11 | 12 | 15 | 6 | 2.0 | 10 | 10 | 5 | 5 |
The preparation method of described CBN resin wheel, is characterized in that comprising the following steps:
(1) mixing material
Raw material is taken by said ratio, then CBN abrasive material and carborundum powder are put into liquid phenolic resin to infiltrate, abrasive material and liquid phenolic resin will be mixed even, add phenol-formaldehyde resin powder, n-BMA, Nano dolomite powder, nano quartz sand powder, polyamide wax micropowder, steel scrap powder again, be mixed rapidly discharging;
(2) sieve
Being screened 1-2 time by the sieve of mixed material particles by 8-12 mesh sieve hole, is as being used for shaping molding mass by the particle of sieve;
(3) compressing
Take the molding mass of approrpiate wts, be poured in mould and shakeout, make molding mass thickness even, and in molding mass, add reinforced sheet make reinforced sheet flatly completely in burying forming material, adopt the shaping low temperature and pressure temperature of low temperature and pressure to control at 80-90 DEG C, be inverted on glass plate by mould after pressing and scraping and carry out the demoulding;
(4) solidify
The emery wheel base demoulding obtained moves into heating in curing oven makes it solidify.80 DEG C are played temperature, with the speed of intensification per hour 10 DEG C, rise to 180-190 DEG C, are incubated after 4-5 hour and naturally cool, be down to room temperature and namely obtain required emery wheel goods.
Described mould should spread one deck nylon paper at die cavity and be beneficial to the demoulding before putting into molding mass.
Described reinforced sheet is 20-40 stock yarn, 6-8 object fiberglass gridding cloth, and grid cloth two sides scribbles phenolic resins, to increase the caking property with goods.
The present invention has following beneficial effect:
(1) the present invention with the addition of ceramic material in filler, and its adhesive property is good, makes abrasive material difficult drop-off, and improves heat resistance and the hardness of resin wheel, reduces the crackle that rigidity grinding is formed, thus improves service efficiency and the life-span of resin wheel;
(2) also added comminuted steel shot metal dust, rapid heat dissipation in filler of the present invention, be conducive to dissipating fast the amount of heat that emery wheel is released in cutting process, play the effect reducing cutting temperature.
Detailed description of the invention
It is following that by specific embodiment, the present invention is further illustrated.
Embodiment 1
CBN resin wheel is made up of the raw material of following weight portion: CBN abrasive material 50, white fused alumina abrasive material 5, carborundum powder 6, phenol-formaldehyde resin powder 5, liquid phenolic resin 2, n-BMA 1.2, Nano dolomite powder 5, nano quartz sand powder 5, polyamide wax micropowder 2, steel scrap powder 2.
The preparation method of CBN resin wheel comprises the following steps:
(1) mixing material
Raw material is taken by said ratio, then CBN abrasive material and carborundum powder are put into liquid phenolic resin to infiltrate, abrasive material and liquid phenolic resin will be mixed even, add phenol-formaldehyde resin powder, n-BMA, Nano dolomite powder, nano quartz sand powder, polyamide wax micropowder, steel scrap powder again, be mixed rapidly discharging;
(2) sieve
Being screened 1-2 time by the sieve of mixed material particles by 8-12 mesh sieve hole, is as being used for shaping molding mass by the particle of sieve;
(3) compressing
Take the molding mass of approrpiate wts, be poured in mould and shakeout, make molding mass thickness even, and in molding mass, add reinforced sheet make reinforced sheet flatly completely in burying forming material, adopt the shaping low temperature and pressure temperature of low temperature and pressure to control at 80-90 DEG C, be inverted on glass plate by mould after pressing and scraping and carry out the demoulding;
(4) solidify
The emery wheel base demoulding obtained moves into heating in curing oven makes it solidify.80 DEG C are played temperature, with the speed of intensification per hour 10 DEG C, rise to 180-190 DEG C, are incubated after 4-5 hour and naturally cool, be down to room temperature and namely obtain required emery wheel goods.
Described mould should spread one deck nylon paper at die cavity and be beneficial to the demoulding before putting into molding mass.
Described reinforced sheet is 20-40 stock yarn, 6-8 object fiberglass gridding cloth, and grid cloth two sides scribbles phenolic resins, to increase the caking property with goods.
Embodiment 2
CBN resin wheel is made up of the raw material of following weight portion: CBN abrasive material 54, white fused alumina abrasive material 8, carborundum powder 9, phenol-formaldehyde resin powder 8, liquid phenolic resin 4, n-BMA 1.6, Nano dolomite powder 7, nano quartz sand powder 6, polyamide wax micropowder 3, steel scrap powder 4.
The preparation method of CBN resin wheel is with embodiment 1.
Embodiment 3
CBN resin wheel is made up of the raw material of following weight portion: CBN abrasive material 58, white fused alumina abrasive material 10, carborundum powder 11, phenol-formaldehyde resin powder 12, liquid phenolic resin 6, n-BMA 1.8, Nano dolomite powder 8, nano quartz sand powder 9, polyamide wax micropowder 4, steel scrap powder 4.
The preparation method of CBN resin wheel is with embodiment 1.
Embodiment 4
CBN resin wheel is made up of the raw material of following weight portion: CBN abrasive material 60, white fused alumina abrasive material 11, carborundum powder 12, phenol-formaldehyde resin powder 15, liquid phenolic resin 6, n-BMA 2.0, Nano dolomite powder 10, nano quartz sand powder 10, polyamide wax micropowder 5, steel scrap powder 5.
The preparation method of CBN resin wheel is with embodiment 1.
Claims (4)
1. a CBN resin wheel, is characterized in that, it is made up of the raw material of following weight portion:
CBN abrasive material 50-60, white fused alumina abrasive material 5-10, carborundum powder 5-10, phenol-formaldehyde resin powder 5-15, liquid phenolic resin 2-6, n-BMA 1-2, Nano dolomite powder 5-10, nano quartz sand powder 5-10, polyamide wax micropowder 2-5, steel scrap powder 2-5.
2. a preparation method for CBN resin wheel as claimed in claim 1, is characterized in that comprising the following steps:
(1) mixing material
Raw material is taken by said ratio, then CBN abrasive material and carborundum powder are put into liquid phenolic resin to infiltrate, abrasive material and liquid phenolic resin will be mixed even, add phenol-formaldehyde resin powder, n-BMA, Nano dolomite powder, nano quartz sand powder, polyamide wax micropowder, steel scrap powder again, mix discharging rapidly;
(2) sieve
Being screened 1-2 time by the sieve of mixed material particles by 8-12 mesh sieve hole, is as being used for shaping molding mass by the particle of sieve;
(3) compressing
Take the molding mass of approrpiate wts, be poured in mould and shakeout, make molding mass thickness even, and in molding mass, add reinforced sheet make reinforced sheet flatly completely in burying forming material, adopt the shaping low temperature and pressure temperature of low temperature and pressure to control at 80-90 DEG C, be inverted on glass plate by mould after pressing and scraping and carry out the demoulding;
(4) solidify
The emery wheel base demoulding obtained moves into heating in curing oven makes it solidify, and 80 DEG C are played temperature, with the speed of intensification per hour 10 DEG C, rise to 180-190 DEG C, are incubated after 4-5 hour and naturally cool, be down to room temperature and namely obtain required emery wheel goods.
3. the preparation method of CBN resin wheel according to claim 2, is characterized in that, described mould should spread one deck nylon paper at die cavity and be beneficial to the demoulding before putting into molding mass.
4. the preparation method of CBN resin wheel according to claim 2, is characterized in that, described reinforced sheet is 20-40 stock yarn, 6-8 object fiberglass gridding cloth, and grid cloth two sides scribbles phenolic resins, to increase the caking property with goods.
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| CN111906702A (en) * | 2018-11-16 | 2020-11-10 | 江苏赛扬精工科技有限责任公司 | Preparation method of environment-friendly double-end-face grinding disc for processing piston ring |
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| CN109290966A (en) * | 2018-11-16 | 2019-02-01 | 安徽砥钻砂轮有限公司 | A kind of high temperature resistant explosion-proof grinding wheel |
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