CN104786164A - Special large-diameter diamond grinding wheel for lapping silicon nitride ceramic ball and manufacturing method of diamond grinding wheel - Google Patents
Special large-diameter diamond grinding wheel for lapping silicon nitride ceramic ball and manufacturing method of diamond grinding wheel Download PDFInfo
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- CN104786164A CN104786164A CN201510254609.6A CN201510254609A CN104786164A CN 104786164 A CN104786164 A CN 104786164A CN 201510254609 A CN201510254609 A CN 201510254609A CN 104786164 A CN104786164 A CN 104786164A
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- base plate
- abrasive
- aluminum base
- bonding agent
- grinding wheel
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D7/00—Bonded abrasive wheels, or wheels with inserted abrasive blocks, designed for acting otherwise than only by their periphery, e.g. by the front face; Bushings or mountings therefor
-
- 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
Abstract
The invention discloses a special large-diameter diamond grinding wheel for lapping a silicon nitride ceramic ball and a manufacturing method of the diamond grinding wheel. A circular plate is used, and the grinding wheel comprises a base material and a grinding body, wherein a mounting hole is formed in the middle; the base material is an aluminum substrate; the grinding body is arranged in a groove of the aluminum substrate by heating, pressing, hardening and molding diamond and resins; the aluminum substrate and the grinding body are tightly combined together; the diameter of the product is 800-1000mm; the radial diameter of the ring end working face of the grinding body is 200-240mm; the porosity is 5 percent or below; the product surface is flat; a deformation phenomenon is avoided; and the grinding wheel is used for lapping a silicon nitride ceramic bearing ball. The diamond concentration of the grinding body is 75-200 percent, the volume of binding agents accounts for 50-81.25 percent of the grinding body part, the binding agents include phenolic resin, chromic oxide powder, magnesium oxide powder, copper powder, green silicon carbide micro powder and boron carbide micro powder. The grinding wheel is used for the lapping process of the silicon nitride ceramic bearing ball, the machined ball precision reaches G2 international standard, and the grinding wheel is environment-friendly and pollution-free during use.
Description
Technical field
The present invention relates to grinding-material, i.e. the special major diameter skive of a kind of silicon nitride ceramic ball lappingout and preparation method.
Background technology
In recent years, along with social progress and scientific and technical high speed development, environment for use and the condition of bearing are more and more diversified, require also more and more higher to the structure of bearing, material capability, the machinery worked under some high-tech areas and some particular surroundings, as industry such as Aero-Space, nuclear energy, metallurgy, chemical industry, oil, instrument, electronics, pharmacy, need at high temperature, at a high speed, high accuracy, vacuum, nonmagnetic, oil-free lubrication, strong acid, to work under the particular surroundings such as highly basic.Requirement new under these particular surroundings only relies on traditional metal bearing can not meet, and therefore silicon nitride ceramics bearing becomes the mark of machine work material technology revolution.
Silicon nitride ceramics bearing ball is the vital part of silicon nitride ceramics bearing.Its grinding is divided into slightly grinds and two stages of lappingout, because the hardness of silicon nitride ceramics bearing ball, abrasion resistance are very high, out-of-roundness is larger, the lappingout of silicon nitride ceramics bearing ball has the feature of its uniqueness, domestic existing processing mode many employings cast iron plate grinding, in process of lapping, add the abrasive materials such as grinding fluid, diadust, boron carbide, thus reach the grinding to silicon nitride ceramic ball, this method is relatively backward and seriously polluted.At present external advanced silicon nitride ceramic ball fine finishining all uses special diamond lap emery wheel, though its grinding quickening, precision higher, consume energy low, pollute little.But its grinding wheel diameter is little, only 200-300mm, and efficiency is low, ring end working face repeatedly shaping, be spliced, thus have impact on its grinding speed and precision.
Summary of the invention
The object of this invention is to provide the special major diameter skive of a kind of silicon nitride ceramic ball lappingout and preparation method.
The special major diameter skive of this silicon nitride ceramic ball lappingout, for circular sheet material, described emery wheel comprises base material and abrasive body, there is installing hole centre, base material is [shape, it is abrasive body in the groove of base material side, it is characterized in that, base material is aluminum base plate, abrasive body is that diamond and resin are through adding in the groove of hot pressing hardened forming at aluminum base plate, aluminum base plate and abrasive body are closely linked, product diameter 800-1000mm, the radial 200-240MM of abrasive body ring end working face, the porosity is below 5%, product surface is smooth, distortion free, for the lappingout operation of silicon nitride ceramics bearing ball.
This silicon nitride ceramic ball lappingout special major diameter skive preparation method, it is characterized in that, step is as follows:
One, standby aluminum base plate:
According to the dimensioned aluminum base plate of customer demand product;
Two, standby abrasive and bonding agent:
A, abrasive: diadust, the diamond concentration of abrasive body is 75%-200%, and namely diadust volume accounts for the 18.75%-50% of abrasive body volume, and its particle size range is 1000 order-5000 orders;
B, bonding agent: its volume accounts for the 50%-81.25% of abrasive body part, the concrete composition of bonding agent and part by weight as follows:
Phenolic resins, weight accounts for the 45%-70% of bonding agent gross weight;
Chromium oxide powder, weight accounts for the 2%-10% of bonding agent gross weight;
Magnesia powder, weight accounts for the 6%-15% of bonding agent gross weight;
Copper powder, weight accounts for the 10%-15% of bonding agent gross weight;
Green silicon carbide powder, weight accounts for the 5%-10% of bonding agent gross weight;
Boron carbide micro powder, weight accounts for the 6-10% of bonding agent gross weight;
Three, batch mixing:
1, diadust and phenolic resins are added ball mill grinding, mixing 3 hours;
2, again chromium oxide, magnesia are added ball mill grinding, mixing 2 hours;
3, finally add copper powder, green silicon carbide, boron carbide, then grind, mix 1 hour;
4, grinding, mixed material ultrasonic wave vibratory sieve are sieved, the particle of conglomeration in raw material is fully disperseed, ensure the even and loose of raw material;
Four, die-filling:
1, clean aluminum base plate, ensure in aluminum base plate groove without oil stain, free from admixture;
2, getting mixed abrasive, join in the groove of aluminum base plate, with claw by even for raw material rake, then with scraping die craft equipment, material being struck off;
3, top board is covered within the groove filling abrasive;
Five, suppress:
1, the aluminum base plate installing abrasive is put into press;
2, will the aluminum base plate heating temperatures of abrasive be installed to 100 DEG C-120 DEG C, be incubated 8 hours, make the phenolic resins in abrasive completely softening, now use the pressurization of more than 3000T press, according to designing requirement, abrasive is pressed into specific thickness;
3, improve aluminum base plate temperature, when temperature rises to 150 DEG C-200 DEG C, phenolic resins starts to solidify and hardens, and heat-insulation pressure keeping makes its complete hardened forming for 10 hours;
Six, depanning: be cooled to after room temperature until aluminum base plate and top board is taken out;
Seven, machining, makes its profile reach client and enterprise's specified standard according to design processing;
Eight, by outward appearance, hardness, size, the depth of parallelism, axiality, planarity checking, qualified rear packaging, warehouse-in.
The demand of present silicon nitride ceramic ball is increasing, and the processing technology of silicon nitride ceramic ball requires higher, need the skive compared with large working area, silicon nitride ceramic ball lappingout of the present invention special major diameter boart boart wheel diameter can reach 1000MM, integral loop end working face radial direction can reach 240MM, processing ball precision reaches G2 international standard, environment friendly and pollution-free during use.
accompanying drawing illustrates:
Fig. 1: be grinding wheel structure schematic diagram of the present invention
In figure: 1. aluminum base plate, 2. abrasive body, 3. installing hole.
Detailed description of the invention
Be described as follows below in conjunction with specific embodiment:
Embodiment one, the special major diameter skive of this silicon nitride ceramic ball lappingout, for circular sheet material, described emery wheel comprises base material and abrasive body, there is installing hole centre, base material is [shape, it is abrasive body in the groove of base material side, base material is aluminum base plate, abrasive body is that diamond and resin are through adding in the groove of hot pressing hardened forming at aluminum base plate, aluminum base plate and abrasive body are closely linked, product diameter 800mm, the radial 200MM of abrasive body ring end working face, the porosity is 3%, product surface is smooth, distortion free, for the lappingout operation of silicon nitride ceramics bearing ball.
This silicon nitride ceramic ball lappingout special major diameter skive preparation method, it is characterized in that, step is as follows:
One, standby aluminum base plate:
According to the dimensioned aluminum base plate of customer demand product;
Two, standby abrasive and bonding agent:
A, abrasive: diadust, the diamond concentration of abrasive body is 80%, and namely diadust volume accounts for 20% of abrasive body volume, and its granularity is 1500 orders;
B, bonding agent: its volume accounts for 80% of abrasive body part, the concrete composition of bonding agent and part by weight as follows:
Phenolic resins, weight accounts for 57% of bonding agent gross weight;
Chromium oxide powder, weight accounts for 6% of bonding agent gross weight;
Magnesia powder, weight accounts for 10% of bonding agent gross weight;
Copper powder, weight accounts for 12% of bonding agent gross weight;
Green silicon carbide powder, weight accounts for 7% of bonding agent gross weight;
Boron carbide micro powder, weight accounts for 8% of bonding agent gross weight;
Three, batch mixing:
1, diadust and phenolic resins are added ball mill grinding, mixing 3 hours;
2, again chromium oxide, magnesia are added ball mill grinding, mixing 2 hours;
3, finally add copper powder, green silicon carbide, boron carbide, then grind, mix 1 hour;
4, grinding, mixed material ultrasonic wave vibratory sieve are sieved, the particle of conglomeration in raw material is fully disperseed, ensure the even and loose of raw material;
Four, die-filling:
1, clean aluminum base plate, ensure in aluminum base plate groove without oil stain, free from admixture;
2, getting mixed abrasive, join in the groove of aluminum base plate, with claw by even for raw material rake, then with scraping die craft equipment, material being struck off;
3, top board is covered within the groove filling abrasive;
Five, suppress:
1, the aluminum base plate installing abrasive is put into press;
2, will the aluminum base plate heating temperatures of abrasive be installed to 100 DEG C-120 DEG C, be incubated 8 hours, make the phenolic resins in abrasive completely softening, now use the pressurization of more than 3000T press, according to designing requirement, abrasive is pressed into specific thickness;
3, improve aluminum base plate temperature, when temperature rises to 150 DEG C-200 DEG C, phenolic resins starts to solidify and hardens, and heat-insulation pressure keeping makes its complete hardened forming for 10 hours;
Six, depanning: be cooled to after room temperature until aluminum base plate and top board is taken out;
Seven, machining, makes its profile reach client and enterprise's specified standard according to design processing;
Eight, by outward appearance, hardness, size, the depth of parallelism, axiality, planarity checking, qualified rear packaging, warehouse-in.
Embodiment two, the special major diameter skive of this silicon nitride ceramic ball lappingout, for circular sheet material, described emery wheel comprises base material and abrasive body, there is installing hole centre, base material is [shape, it is abrasive body in the groove of base material side, it is characterized in that, base material is aluminum base plate, abrasive body is that diamond and resin are through adding in the groove of hot pressing hardened forming at aluminum base plate, aluminum base plate and abrasive body are closely linked, product diameter 1000mm, the radial 240MM of abrasive body ring end working face, the porosity is below 4%, product surface is smooth, distortion free, for the lappingout operation of silicon nitride ceramics bearing ball.
This silicon nitride ceramic ball lappingout special major diameter skive preparation method, it is characterized in that, step is as follows:
One, standby aluminum base plate:
According to the dimensioned aluminum base plate of customer demand product;
Two, standby abrasive and bonding agent:
A, abrasive: diadust, the diamond concentration of abrasive body is 160%, and namely diadust volume accounts for 40% of abrasive body volume, and its granularity is 4000 orders;
B, bonding agent: its volume accounts for 60% of abrasive body part, the concrete composition of bonding agent and part by weight as follows:
Phenolic resins, weight accounts for 57% of bonding agent gross weight;
Chromium oxide powder, weight accounts for 6% of bonding agent gross weight;
Magnesia powder, weight accounts for 10% of bonding agent gross weight;
Copper powder, weight accounts for 12% of bonding agent gross weight;
Green silicon carbide powder, weight accounts for 7% of bonding agent gross weight;
Boron carbide micro powder, weight accounts for 8% of bonding agent gross weight;
Three, batch mixing:
1, diadust and phenolic resins are added ball mill grinding, mixing 3 hours;
2, again chromium oxide, magnesia are added ball mill grinding, mixing 2 hours;
3, finally add copper powder, green silicon carbide, boron carbide, then grind, mix 1 hour;
4, grinding, mixed material ultrasonic wave vibratory sieve are sieved, the particle of conglomeration in raw material is fully disperseed, ensure the even and loose of raw material;
Four, die-filling:
1, clean aluminum base plate, ensure in aluminum base plate groove without oil stain, free from admixture;
2, getting mixed abrasive, join in the groove of aluminum base plate, with claw by even for raw material rake, then with scraping die craft equipment, material being struck off;
3, top board is covered within the groove filling abrasive;
Five, suppress:
1, the aluminum base plate installing abrasive is put into press;
2, will the aluminum base plate heating temperatures of abrasive be installed to 100 DEG C-120 DEG C, be incubated 8 hours, make the phenolic resins in abrasive completely softening, now use the pressurization of more than 3000T press, according to designing requirement, abrasive is pressed into specific thickness;
3, improve aluminum base plate temperature, when temperature rises to 150 DEG C-200 DEG C, phenolic resins starts to solidify and hardens, and heat-insulation pressure keeping makes its complete hardened forming for 10 hours;
Six, depanning: be cooled to after room temperature until aluminum base plate and top board is taken out;
Seven, machining, makes its profile reach client and enterprise's specified standard according to design processing;
Eight, by outward appearance, hardness, size, the depth of parallelism, axiality, planarity checking, qualified rear packaging, warehouse-in.
Claims (2)
1. the special major diameter skive of silicon nitride ceramic ball lappingout, for circular sheet material, described emery wheel comprises base material and abrasive body, there is installing hole centre, base material is [shape, it is abrasive body in the groove of base material side, it is characterized in that, base material is aluminum base plate, abrasive body is that diamond and resin are through adding in the groove of hot pressing hardened forming at aluminum base plate, aluminum base plate and abrasive body are closely linked, product diameter 800-1000mm, the radial 200-240MM of abrasive body ring end working face, the porosity is below 5%, product surface is smooth, distortion free, for the lappingout operation of silicon nitride ceramics bearing ball.
2. the preparation method of the special major diameter skive of a kind of silicon nitride ceramic ball lappingout according to claim 1, it is characterized in that, step is as follows:
One, standby aluminum base plate:
According to the dimensioned aluminum base plate of customer demand product;
Two, standby abrasive and bonding agent:
A, abrasive: diadust, the diamond concentration of abrasive body is 75%-200%, and namely diadust volume accounts for the 18.75%-50% of abrasive body volume, and its particle size range is 1000 order-5000 orders;
B, bonding agent: its volume accounts for the 50%-81.25% of abrasive body part, the concrete composition of bonding agent and part by weight as follows:
Phenolic resins, weight accounts for the 45%-70% of bonding agent gross weight;
Chromium oxide powder, weight accounts for the 2%-10% of bonding agent gross weight;
Magnesia powder, weight accounts for the 6%-15% of bonding agent gross weight;
Copper powder, weight accounts for the 10%-15% of bonding agent gross weight;
Green silicon carbide powder, weight accounts for the 5%-10% of bonding agent gross weight;
Boron carbide micro powder, weight accounts for the 6-10% of bonding agent gross weight;
Three, batch mixing:
A, diadust and phenolic resins added ball mill grinding, mixing 3 hours;
B, chromium oxide, magnesia are added ball mill grinding, mixing 2 hours again;
C, finally add copper powder, green silicon carbide, boron carbide, then grind, mix 1 hour;
D, by grinding, mixed material ultrasonic wave vibratory sieve sieves, and fully disperseed by the particle of conglomeration in raw material, ensure raw material evenly with loose;
Four, die-filling:
A, cleaning aluminum base plate, ensure in aluminum base plate groove without oil stain, free from admixture;
B, get mixed abrasive, join in the groove of aluminum base plate, with claw by raw material rake evenly, then with scraping die craft equipment, material is struck off;
C, top board covered fill abrasive groove within;
Five, suppress:
A, the aluminum base plate installing abrasive is put into press;
B, will the aluminum base plate heating temperatures of abrasive be installed to 100 DEG C-120 DEG C, be incubated 8 hours, make the phenolic resins in abrasive completely softening, now use the pressurization of more than 3000T press, according to designing requirement, abrasive is pressed into specific thickness;
C, improve aluminum base plate temperature, when temperature rises to 150 DEG C-200 DEG C, phenolic resins starts to solidify and hardens, and heat-insulation pressure keeping makes its complete hardened forming for 10 hours;
Six, depanning: be cooled to after room temperature until aluminum base plate and top board is taken out;
Seven, machining, makes its profile reach client and enterprise's specified standard according to design processing;
Eight, by outward appearance, hardness, size, the depth of parallelism, axiality, planarity checking, qualified rear packaging, warehouse-in.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510254609.6A CN104786164B (en) | 2015-05-19 | 2015-05-19 | Special large-diameter diamond grinding wheel for lapping silicon nitride ceramic ball and manufacturing method of diamond grinding wheel |
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| CN201510254609.6A CN104786164B (en) | 2015-05-19 | 2015-05-19 | Special large-diameter diamond grinding wheel for lapping silicon nitride ceramic ball and manufacturing method of diamond grinding wheel |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106041758A (en) * | 2016-07-20 | 2016-10-26 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel matrix for casting molded grinding wheel and preparation method of casting molded grinding wheel |
| CN106810265A (en) * | 2015-11-27 | 2017-06-09 | 衡阳凯新特种材料科技有限公司 | A kind of preparation method of silicon nitride protecting tube |
| CN109277955A (en) * | 2018-08-30 | 2019-01-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of grinding wheel, preparation method and application for the grinding of QFN semiconductor sealing material |
| TWI723044B (en) * | 2015-09-08 | 2021-04-01 | 美商3M新設資產公司 | Abrasive rotary tool with abrasive agglomerates |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112141A (en) * | 1994-05-19 | 1995-11-22 | 戴延平 | Method for mfg diamond-resin grinding wheel |
| JP2003048162A (en) * | 2001-08-08 | 2003-02-18 | Dainippon Printing Co Ltd | Polishing sheet having patternlike polishing layer |
| CN2768971Y (en) * | 2004-04-21 | 2006-04-05 | 南通建华磨具有限公司 | Sector diamond grinding wheel |
| CN101695822A (en) * | 2009-10-30 | 2010-04-21 | 西安泽豪实业有限责任公司 | Formula of diamond super-thin cutting disc for cutting of magnetic materials and production technology thereof |
| CN101829960A (en) * | 2010-04-30 | 2010-09-15 | 邬伟光 | Diamond resin grinding tool for stones and ceramics |
| CN202910745U (en) * | 2012-11-20 | 2013-05-01 | 河南万克钻石工具有限公司 | Diamond grinding wheel |
| CN103273417A (en) * | 2013-06-18 | 2013-09-04 | 山东泰广奕砂轮有限公司 | Diamond resin grinding plate and manufacturing method thereof |
-
2015
- 2015-05-19 CN CN201510254609.6A patent/CN104786164B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112141A (en) * | 1994-05-19 | 1995-11-22 | 戴延平 | Method for mfg diamond-resin grinding wheel |
| JP2003048162A (en) * | 2001-08-08 | 2003-02-18 | Dainippon Printing Co Ltd | Polishing sheet having patternlike polishing layer |
| CN2768971Y (en) * | 2004-04-21 | 2006-04-05 | 南通建华磨具有限公司 | Sector diamond grinding wheel |
| CN101695822A (en) * | 2009-10-30 | 2010-04-21 | 西安泽豪实业有限责任公司 | Formula of diamond super-thin cutting disc for cutting of magnetic materials and production technology thereof |
| CN101829960A (en) * | 2010-04-30 | 2010-09-15 | 邬伟光 | Diamond resin grinding tool for stones and ceramics |
| CN202910745U (en) * | 2012-11-20 | 2013-05-01 | 河南万克钻石工具有限公司 | Diamond grinding wheel |
| CN103273417A (en) * | 2013-06-18 | 2013-09-04 | 山东泰广奕砂轮有限公司 | Diamond resin grinding plate and manufacturing method thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI723044B (en) * | 2015-09-08 | 2021-04-01 | 美商3M新設資產公司 | Abrasive rotary tool with abrasive agglomerates |
| US11040429B2 (en) | 2015-09-08 | 2021-06-22 | 3M Innovative Properties Company | Abrasive rotary tool with abrasive agglomerates |
| CN106810265A (en) * | 2015-11-27 | 2017-06-09 | 衡阳凯新特种材料科技有限公司 | A kind of preparation method of silicon nitride protecting tube |
| CN106041758A (en) * | 2016-07-20 | 2016-10-26 | 郑州磨料磨具磨削研究所有限公司 | Grinding wheel matrix for casting molded grinding wheel and preparation method of casting molded grinding wheel |
| CN109277955A (en) * | 2018-08-30 | 2019-01-29 | 郑州磨料磨具磨削研究所有限公司 | A kind of grinding wheel, preparation method and application for the grinding of QFN semiconductor sealing material |
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Address after: No. 198 Run Avenue, Zibo High-tech Industrial Development Zone, Shandong Province Patentee after: Shandong Taiyu Grinding Technology Co., Ltd. Address before: 255088 No. 198 Run Avenue, Zibo High-tech Zone, Shandong Province Patentee before: The wide benefit in Shandong reaches grinding Science and Technology Ltd. |