CN102335885A - Diamond grinding wheel for ceramic grinding and preparation method thereof - Google Patents
Diamond grinding wheel for ceramic grinding and preparation method thereof Download PDFInfo
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- CN102335885A CN102335885A CN2011102958717A CN201110295871A CN102335885A CN 102335885 A CN102335885 A CN 102335885A CN 2011102958717 A CN2011102958717 A CN 2011102958717A CN 201110295871 A CN201110295871 A CN 201110295871A CN 102335885 A CN102335885 A CN 102335885A
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Abstract
The invention discloses a diamond grinding wheel for ceramic grinding and a preparation method thereof. The diamond grinding wheel consists of the following components in percentage by weight: 18.7 to 27 percent of diamond abrasive, 14 to 20 percent of polyimide resin, 8 to 13 percent of Cu powder, 9 to 14 percent of Co powder, 3 to 8 percent of Al2O3, 3 to 6 percent of rare earth, 0.7 to 1.2 percent of carbon black and the balance of Cr2O3. The preparation process for the diamond grinding wheel comprises the following steps of: (1) fully mixing the components; and (2) putting the mixture into a mold, heating, pressing, curing, and machining. The diamond grinding wheel can effectively overcome the defects of the conventional diamond grinding wheel, improving feed amount to 0.1-0.8mm each time during grinding, is difficult to block, has wear resistance of a grinding wheel, improves the production efficiency of zirconium oxide structural ceramic grinding, and greatly reduces the machining cost of zirconium oxide structural ceramic.
Description
Technical field
The present invention relates to skive manufacturing technology field, skive is used in the grinding of especially a kind of suitable production zirconia ceramics.
Background technology
The zirconia structural ceramics has high rigidity, high strength, high tenacity, high excellent comprehensive performances such as wearability, just progressively replaces a lot of materials, and its application more and more widely.At present; Conventional skive is still adopted in the grinding of zirconia ceramics; Because the characteristic of zirconia ceramics makes conventional skive when the grinding zirconia ceramics, have following problem always: be out of shape greatly when type is fired in the processing of first zirconia ceramics, thereby cause back grinding difficulty; And zirconia ceramics hardness is high, and diamond wheel grinding adds that the man-hour bite is little, and the each depth of cut of general closed planar grinding is 0.02～0.04 millimeter, leans on repeatedly grinding repeatedly just can finish the work, and operating efficiency is very low; Its zirconium dioxide structural ceramics good toughness, diamond wheel grinding add man-hour very easily with the emery wheel obstruction, need often to shut down, and trimming wheel is wasted time and energy, thereby has seriously restricted the application and the development of zirconium oxide structure ceramic material.This is the weak point of prior art existence just.
Summary of the invention
The objective of the invention is to have the above-mentioned defective that skive exists now when the grinding zirconia ceramics; The grinding of a kind of zirconia structural ceramics is proposed with skive and preparation method thereof; Can adopt the big depth of cut when adopting ceramic grinding of the present invention with the diamond wheel grinding ceramic product; And be difficult for stopping up, can increase substantially production efficiency, cut down finished cost.
Task of the present invention realizes by this way:
A kind of ceramic grinding is used skive, it is characterized in that diamond abrasive 18.7～27%, polyimide resin 14～20%, Cu powder 8～13%, Co powder 9～14%, Al by following weight percentage
2O
33～8%, rare earth 3～6%, carbon black 0.7～1.2%, surplus are Cr
2O
3Form.
The object of the invention can also be further perfect through following scheme:
Described diamond abrasive is made up of diamond broken material 60～70%, diamond three moulding mixtures 30～40% of following weight percentage, and diamond concentration is 75～100%.
The percentage by weight of diamond abrasive is suitable with 18.7～27% in the constituent element of described skive, and too high then to be prone to make powder to mix inhomogeneous, conglomeration occurs, and machined surface is prone to the scuffing phenomenon, crosses that low loss then to occur too fast, and wheel life reduces.Its optimum ratio is 20～25%.
Described resinoid bond is a polyimide resin, its Heat stability is good, and the heatproof temperature is high, and mechanical strength is good, is fit to roughing feed amount and grinding at a high speed.The content of polyimide resin is that 14～20% (weight is amassed percentage) are suitable in the powder of emery wheel, and its optimum ratio is 15～18%.
Described Cu powder fusing point is high, and thermal conductivity is good; But Cu ductility is big, and consumption is too much, the emery wheel easy blocking.Its addition is suitable with 8～13%, and optimum ratio is 8～10%.
Described Co powder has wearability, can form very high cast setting power, and its content is suitable with 9～14%, and optimum ratio is 10～12%.
Described Al
2O
3Hardness is high, can play the effect of skeleton, and its addition is suitable with 3～8%, and optimum ratio is 5～8%.
Described rare earth can select for use a kind of in lanthanum (La), the cerium (Ce), its effect to strengthen matrix, improves carcass material to adamantine adhesion strength.Improve the adhesion effect of diamond and carcass.Lanthanum (La) preferably, its optimum ratio amount is 3～5%.
In sum, ceramic grinding of the present invention with the optimal components (percentage by weight) of skive is: diamond abrasive 20～25%, polyimide resin 15～18%, Cu powder 8～10%, Co powder 10～12%, Al
2O
35～8%, rare earth La 3～5%, carbon black 0.7～1.2%, Cr
2O
3The powder surplus.
Ceramic grinding of the present invention with the manufacturing approach of skive formulation skive is: include: 1, the ceramic grinding for preparing was packed in the batch mixer mixed 1～2 hour with each constituent element of skive, make it full and uniform; 2, compound is evenly put in the mould cavity of regulation; Again mould is put into the press compacting, the while heating mould, its heating and pressurizing technology is following: adding precompression earlier is 3～5 MPas; Setting press upper and lower plates heating-up temperature is 250 ℃; Release when mold temperature reaches 110～120 ℃, exhaust 1 time is proceeded heating and pressurizing then and is handled; 3, hot pressing finishes, and takes out the emery wheel workpiece.After the emery wheel workpiece put into baking oven and be cured processing, naturally cool to room temperature with stove and come out of the stove; Carry out machining by the finished product dimensional requirement again and process product; It is characterized in that it is 230～240 ℃ that described compound continues the heating and pressurizing treatment temperature, pressure is 6～10 MPas, pressurize 1～5 minute; Described cured temperature is 230～240 ℃, is incubated 2～5 hours.
Beneficial effect of the present invention is: the present invention prepares the grinding of zirconia structural ceramics can overcome existing conventional skive effectively with skive defective; Each depth of cut when improving grinding reaches to 0.1～0.8 millimeter; And be difficult for stopping up; And take into account the wearability of emery wheel, and improve the production efficiency of zirconia structural ceramics grinding, reduce the processing cost of zirconia structural ceramics greatly.
The specific embodiment
Through specific embodiment the present invention is further described below,
Embodiment 1
The embodiment of the invention 1 may further comprise the steps:
1. each component weighs up material by following percentage by weight preparation: 18.7% diamond abrasive, 20% polyimide resin, 13%Cu powder, 9%Co powder, 8% Al
2O
3, 3% Rare Earth Lanthanum (La), 0.7% carbon black, 27.6% Cr
2O
3
2. the powder for preparing is packed into and mixed 1 hour in the batch mixer, make it full and uniform;
3. compound is evenly put in the mould cavity that model is SDC150#, again mould is put into press and suppress; The while heating mould;
4. mold heated pressing technology: adding precompression earlier is 5 MPas, and setting press upper and lower plates heating-up temperature is 250 ℃, release when mold temperature reaches 110 ℃; Exhaust 1 time; Continue heating then, be forced into 8 MPas, when mold temperature reaches 230 ℃, pressurize release after 2 minutes;
5. hot pressing finishes, and adopts the hot demoulding, takes out the emery wheel workpiece.The emery wheel workpiece is put into baking oven be cured processing, the heating-up temperature of cured is 235 ℃, is incubated after 4 hours, naturally cools to room temperature with stove and comes out of the stove; Carry out machining by the finished product dimensional requirement again and process the emery wheel product that model is SDC150#.
Embodiment 2
The embodiment of the invention 2 may further comprise the steps:
1. each component weighs up material by following percentage by weight preparation: 27% diamond abrasive, 14% polyimide resin, 8%Cu powder, 14%Co powder, 3% Al
2O
3, 6% Rare Earth Lanthanum (La), 1.2% carbon black, 26.8% Cr
2O
3
2. the powder for preparing is packed into and mixed 1 hour in the batch mixer, make it full and uniform;
3. compound is evenly put in the mould cavity that model is SDC240#, again mould is put into press and suppress; The while heating mould;
4. mold heated pressing technology: adding precompression earlier is 3 MPas, and setting press upper and lower plates heating-up temperature is 250 ℃, release when mold temperature reaches 115 ℃; Exhaust 1 time; Continue heating then, be forced into 6 MPas, when mold temperature reaches 235 ℃, pressurize release after 4 minutes;
5. hot pressing finishes, and adopts the hot demoulding, takes out the emery wheel workpiece.The emery wheel workpiece is put into baking oven be cured processing, the heating-up temperature of cured is 230 ℃, is incubated after 5 hours, naturally cools to room temperature with stove and comes out of the stove; Carry out machining by the finished product dimensional requirement again and process the emery wheel product that model is SDC240#.
Embodiment 3
The embodiment of the invention 3 may further comprise the steps:
1. each component weighs up material by following percentage by weight preparation: 23% diamond abrasive, 18% polyimide resin, 10%Cu powder, 11% Co powder, 6.5% Al
2O
3, 5% rare earth cerium (Ce), 1% carbon black, 25.5% Cr
2O
3
2. the powder for preparing is packed into and mixed 1 hour in the batch mixer, make it full and uniform;
3. compound is evenly put in the mould cavity that model is SDC80#, again mould is put into press and suppress; The while heating mould;
4. mold heated pressing technology: adding precompression earlier is 4 MPas, and setting press upper and lower plates heating-up temperature is 250 ℃, release when mold temperature reaches 110 ℃; Exhaust 1 time; Continue heating then, be forced into 6 MPas, when mold temperature reaches 240 ℃, pressurize release after 3 minutes;
5. hot pressing finishes, and adopts the hot demoulding, takes out the emery wheel workpiece.The emery wheel workpiece is put into baking oven be cured processing, the heating-up temperature of cured is 240 ℃, is incubated after 3 hours, naturally cools to room temperature with stove and comes out of the stove; Carry out machining by the finished product dimensional requirement again and process the emery wheel product that model is SDC80#.
Claims (6)
1. a ceramic grinding is used skive, it is characterized in that diamond abrasive 18.7～27%, polyimide resin 14～20%, Cu powder 8～13%, Co powder 9～14%, Al by percentage by weight
2O
33～8%, rare earth 3～6%, carbon black 0.7～1.2%, surplus are Cr
2O
3Form.
2. ceramic grinding according to claim 1 is used skive, it is characterized in that described diamond abrasive is made up of diamond broken material 60～70%, diamond three moulding mixtures 30～40% of percentage by weight, and diamond concentration is 75～100%.
3. ceramic grinding according to claim 1 is used skive, it is characterized in that described rare earth is a kind of in lanthanum (La), the cerium (Ce).
4. ceramic grinding according to claim 1 is used skive, it is characterized in that wherein the optimum ratio of each composition (percentage by weight) is diamond abrasive 20～25%, polyimide resin 15～18%, Cu powder 8～10%, Co powder 10～12%, Al
2O
35～8%, rare earth La 3～5%, carbon black 0.7～1.2%, Cr
2O
3The powder surplus.
5. ceramic grinding according to claim 1 includes with the preparation method of skive: 1, the ceramic grinding for preparing was packed in the batch mixer mixed 1～2 hour with each constituent element of skive, make it full and uniform; 2, compound is evenly put in the mould cavity of regulation; Again mould is put into the press compacting, the while heating mould, its heating and pressurizing technology is following: adding precompression earlier is 3～5 MPas; Setting press upper and lower plates heating-up temperature is 250 ℃; Release when mold temperature reaches 110～120 ℃, exhaust 1 time is proceeded heating and pressurizing then and is handled; 3, hot pressing finishes, and takes out the emery wheel workpiece.
6. after the emery wheel workpiece being put into baking oven and is cured processing, naturally cool to room temperature with stove and come out of the stove; Carry out machining by the finished product dimensional requirement again and process product; It is characterized in that described compound heating and pressurizing treatment temperature is 230～240 ℃, pressure is 6～10 MPas, pressurize 1～5 minute; Described cured temperature is 230～240 ℃, is incubated 2～5 hours.
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|---|---|---|---|
| CN2011102958717A CN102335885B (en) | 2011-10-08 | 2011-10-08 | Diamond grinding wheel for ceramic grinding and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102958717A CN102335885B (en) | 2011-10-08 | 2011-10-08 | Diamond grinding wheel for ceramic grinding and preparation method thereof |
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|---|---|
| CN102335885A true CN102335885A (en) | 2012-02-01 |
| CN102335885B CN102335885B (en) | 2013-11-20 |
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| CN102814758A (en) * | 2012-07-31 | 2012-12-12 | 安徽威铭耐磨材料有限公司 | Brown corundum resin grinding wheel and preparation method thereof |
| CN102814763A (en) * | 2012-07-31 | 2012-12-12 | 安徽威铭耐磨材料有限公司 | Polyimide resin diamond grinding wheel and preparation method thereof |
| CN102814753A (en) * | 2012-07-31 | 2012-12-12 | 安徽威铭耐磨材料有限公司 | Iron-powder doped ceramic diamond grinding wheel |
| CN102825560A (en) * | 2012-07-31 | 2012-12-19 | 安徽威铭耐磨材料有限公司 | Ceramic diamond grinding wheel |
| CN103600308A (en) * | 2013-11-26 | 2014-02-26 | 常熟市巨力砂轮有限责任公司 | Preparation method of composite binding agent diamond grinding wheel |
| CN103770029A (en) * | 2014-01-10 | 2014-05-07 | 当涂县南方红月磨具磨料有限公司 | Diamond grinding wheel with graphene oxide |
| CN104493731A (en) * | 2014-12-18 | 2015-04-08 | 广东奔朗新材料股份有限公司 | Super-hard material grinding apparatus using calcium sulfate whisker as binding agent and preparation method thereof |
| CN104493734A (en) * | 2014-12-23 | 2015-04-08 | 广东奔朗新材料股份有限公司 | Latent curing epoxy resin binder diamond grinding tool and preparation method thereof |
| CN105773450A (en) * | 2016-03-14 | 2016-07-20 | 宁波江东索雷斯电子科技有限公司 | Method for preparing heat-resistant polyimide-diamond combined grinding wheel |
| CN102814758B (en) * | 2012-07-31 | 2016-11-30 | 六安市我罗生农业科技有限公司 | A kind of Brown Alundum resin wheel and preparation method thereof |
| CN107160297A (en) * | 2016-03-07 | 2017-09-15 | 河源市树熊超硬磨具有限公司 | A kind of touch-screen glass grinding diamond grinding head and preparation method thereof |
| CN107650032A (en) * | 2017-10-31 | 2018-02-02 | 郑州磨料磨具磨削研究所有限公司 | A kind of abrasive grinding wheel applied to ceramic lock pin based on zirconium oxide PC spheres and preparation method thereof |
| CN107791163A (en) * | 2017-11-21 | 2018-03-13 | 常州市好利莱光电科技有限公司 | A kind of preparation method of the durable porous skive of high intensity |
| CN110153910A (en) * | 2018-12-29 | 2019-08-23 | 柳州凯通新材料科技有限公司 | A kind of processing technology of ultrahard diamond grinding wheel |
| CN110193787A (en) * | 2019-06-27 | 2019-09-03 | 郑州宏拓精密工具有限公司 | A kind of 5G mobile phone pottery backboard diamond grinding head and preparation method thereof |
| CN110900473A (en) * | 2019-12-11 | 2020-03-24 | 郑州磨料磨具磨削研究所有限公司 | Conductive resin binder grinding wheel and preparation process thereof |
| CN111451948A (en) * | 2020-03-07 | 2020-07-28 | 佛山市钻镁金刚石工具有限公司 | High-definition new material grinding block and preparation method thereof |
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Cited By (21)
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|---|---|---|---|---|
| CN102814763A (en) * | 2012-07-31 | 2012-12-12 | 安徽威铭耐磨材料有限公司 | Polyimide resin diamond grinding wheel and preparation method thereof |
| CN102814753A (en) * | 2012-07-31 | 2012-12-12 | 安徽威铭耐磨材料有限公司 | Iron-powder doped ceramic diamond grinding wheel |
| CN102825560A (en) * | 2012-07-31 | 2012-12-19 | 安徽威铭耐磨材料有限公司 | Ceramic diamond grinding wheel |
| CN102814758A (en) * | 2012-07-31 | 2012-12-12 | 安徽威铭耐磨材料有限公司 | Brown corundum resin grinding wheel and preparation method thereof |
| CN102814753B (en) * | 2012-07-31 | 2015-04-01 | 安徽威铭耐磨材料有限公司 | Iron-powder doped ceramic diamond grinding wheel |
| CN102814758B (en) * | 2012-07-31 | 2016-11-30 | 六安市我罗生农业科技有限公司 | A kind of Brown Alundum resin wheel and preparation method thereof |
| CN102814763B (en) * | 2012-07-31 | 2016-04-13 | 安徽威铭耐磨材料有限公司 | A kind of Polyimide Resin Bonded Diamond Grinding Wheel and preparation method thereof |
| CN103600308B (en) * | 2013-11-26 | 2016-03-02 | 常熟市巨力砂轮有限责任公司 | The preparation method of combined binder skive |
| CN103600308A (en) * | 2013-11-26 | 2014-02-26 | 常熟市巨力砂轮有限责任公司 | Preparation method of composite binding agent diamond grinding wheel |
| CN103770029A (en) * | 2014-01-10 | 2014-05-07 | 当涂县南方红月磨具磨料有限公司 | Diamond grinding wheel with graphene oxide |
| CN104493731A (en) * | 2014-12-18 | 2015-04-08 | 广东奔朗新材料股份有限公司 | Super-hard material grinding apparatus using calcium sulfate whisker as binding agent and preparation method thereof |
| CN104493734A (en) * | 2014-12-23 | 2015-04-08 | 广东奔朗新材料股份有限公司 | Latent curing epoxy resin binder diamond grinding tool and preparation method thereof |
| CN107160297A (en) * | 2016-03-07 | 2017-09-15 | 河源市树熊超硬磨具有限公司 | A kind of touch-screen glass grinding diamond grinding head and preparation method thereof |
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| CN105773450A (en) * | 2016-03-14 | 2016-07-20 | 宁波江东索雷斯电子科技有限公司 | Method for preparing heat-resistant polyimide-diamond combined grinding wheel |
| CN107650032A (en) * | 2017-10-31 | 2018-02-02 | 郑州磨料磨具磨削研究所有限公司 | A kind of abrasive grinding wheel applied to ceramic lock pin based on zirconium oxide PC spheres and preparation method thereof |
| CN107791163A (en) * | 2017-11-21 | 2018-03-13 | 常州市好利莱光电科技有限公司 | A kind of preparation method of the durable porous skive of high intensity |
| CN110153910A (en) * | 2018-12-29 | 2019-08-23 | 柳州凯通新材料科技有限公司 | A kind of processing technology of ultrahard diamond grinding wheel |
| CN110193787A (en) * | 2019-06-27 | 2019-09-03 | 郑州宏拓精密工具有限公司 | A kind of 5G mobile phone pottery backboard diamond grinding head and preparation method thereof |
| CN110900473A (en) * | 2019-12-11 | 2020-03-24 | 郑州磨料磨具磨削研究所有限公司 | Conductive resin binder grinding wheel and preparation process thereof |
| CN111451948A (en) * | 2020-03-07 | 2020-07-28 | 佛山市钻镁金刚石工具有限公司 | High-definition new material grinding block and preparation method thereof |
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Address after: Scenery Industrial Park 517000 Guangdong province Heyuan City Patentee after: Shuxiong new material technology (Heyuan) Co., Ltd Address before: Scenery Industrial Park 517000 Guangdong province Heyuan City Patentee before: HEYUAN SHUXIONG SUPERHARD ABRASIVES Co.,Ltd. |