CN103231318A - Method for manufacturing bamboo charcoal bonded grinding wheel for precision grinding - Google Patents
Method for manufacturing bamboo charcoal bonded grinding wheel for precision grinding Download PDFInfo
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- CN103231318A CN103231318A CN2013101466860A CN201310146686A CN103231318A CN 103231318 A CN103231318 A CN 103231318A CN 2013101466860 A CN2013101466860 A CN 2013101466860A CN 201310146686 A CN201310146686 A CN 201310146686A CN 103231318 A CN103231318 A CN 103231318A
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- bamboo charcoal
- temperature
- abrasive material
- binding agent
- manufacture method
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Abstract
The invention discloses a method for manufacturing a bamboo charcoal bonded grinding wheel for precision grinding. Phenolic resin, grinding materials and bamboo charcoal powder are uniformly mixed, the mixed powder is placed into a mould and then hot-pressed to form the grinding wheel, and finally, the formed grinding wheel is charred at high temperature. Relative to the total mass of raw materials, the mass percents of the phenolic resin, the grinding materials and the bamboo charcoal powder are respectively 28-34%, 50-56% and 16-18%, the hot-pressing forming temperature is 175-190 DEG C, and the high-temperature charring temperature is 780-800 DEG C. The obtained grinding wheel has the advantages of fine abrasion resistance and high electric conductivity, and is applicable to electrolytic in-process dressing grinding.
Description
Technical field
The present invention relates to a kind of emery wheel manufacture method, more particularly, relate to a kind of manufacture method of the bamboo charcoal binding agent sand wheel for accurate grinding.
Background technology
In fields such as electronics and optics manufacturings, need be to carrying out Precision Machining to reach higher required precision as crisp hard materials such as monocrystalline silicon, online electrolysis grinding technology can satisfy such processing technology required precision, its use be to have the emery wheel of electric conductivity preferably, usually selected metal bonded wheel to process in the factor aspect integral stiffness, hardness and the electric conductivity in the past, but often made that surface of the work was subjected to metal pollution.In existing research, the bamboo charcoal binding agent sand wheel is a kind of environmental-friendly conductive emery wheel, can finish high-precision grinding process, is difficult for metal pollution is caused on the surface of the work surface.
Summary of the invention
Task of the present invention is to provide a kind of accurate grinding bamboo charcoal binding agent sand wheel manufacture method, and the emery wheel of acquisition has the advantages that wearability is good, electric conductivity is high.
Technical scheme of the present invention is such, a kind of accurate grinding is characterized in that with bamboo charcoal binding agent sand wheel manufacture method, phenolic resins, abrasive material and bamboo charcoal powder is evenly mixed, mixed-powder is put into behind the mould hot-forming, at last the emery wheel of moulding is carried out high temperature carbonization and handles; Described phenolic resins, abrasive material and bamboo charcoal powder account for raw material gross mass percentage and are respectively 28～34%, 50～56% and 16～18%, and described hot-forming temperature is 175～190 ℃, and described high temperature carbonization treatment temperature is 780～800 ℃.
Preferably, described when hot-forming, under 110 ℃ of temperature, be incubated 20min, be warming up to 180 ℃ of insulation 40min then.
Preferably, during described high temperature carbonization, retort furnace temperature programming rate is for to rise to carbonization temperature through 1～1.2h by room temperature.
Preferably, be that 1.5% formaldehyde mixes infiltration with abrasive material with accounting for the abrasive material mass ratio before described phenolic resins, abrasive material and bamboo charcoal powder are evenly mixed.
Preferably, described abrasive material is SiC.
Accurate grinding of the present invention has higher hardness and compression strength with the bamboo charcoal binding agent sand wheel that bamboo charcoal binding agent sand wheel manufacture method obtains, can not form metal pollution to the machining tool surface with bamboo charcoal as bond, has higher electric conductivity simultaneously to satisfy online electrolysis grinding arts demand, guaranteed good machining accuracy, emery wheel process engineering environmental pollution reduces manufacturing cost.
The specific embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1: accurate grinding bamboo charcoal binding agent sand wheel manufacture method, to account for raw material gross mass percentage and be respectively 28%, 56% and 16% phenolic resins, abrasive material and bamboo charcoal powder and evenly mix, be that 1.5% formaldehyde mixes infiltration with abrasive material with accounting for the abrasive material mass ratio before even the mixing.Mixed-powder is put into behind the mould hot-forming, under 110 ℃ of temperature, be incubated 20min, be warming up to 175 ℃ of insulation 40min then, be placed on the high temperature carbonization stove behind the abrasive wheel forming and carry out the charing processing, retort furnace temperature programming rate is for rising to 795 ℃ of carbonization temperatures through 1h by room temperature.The emery wheel compression strength 21.33Mpa that obtains, specific insulation 230.2 Ω mm.
Embodiment 2: accurate grinding bamboo charcoal binding agent sand wheel manufacture method, to account for raw material gross mass percentage and be respectively 34%, 50% and 16% phenolic resins, abrasive material and bamboo charcoal powder and evenly mix, be that 1.5% formaldehyde mixes infiltration with abrasive material with accounting for the abrasive material mass ratio before even the mixing.Mixed-powder is put into behind the mould hot-forming, under 110 ℃ of temperature, be incubated 20min, be warming up to 180 ℃ of insulation 40min then, be placed on the high temperature carbonization stove behind the abrasive wheel forming and carry out the charing processing, retort furnace temperature programming rate is for rising to 780 ℃ of carbonization temperatures through 1h by room temperature.The emery wheel compression strength 23.02Mpa that obtains, specific insulation 291.6 Ω mm.
Embodiment 3: accurate grinding bamboo charcoal binding agent sand wheel manufacture method, to account for raw material gross mass percentage and be respectively 30%, 52% and 18% phenolic resins, abrasive material and bamboo charcoal powder and evenly mix, be that 1.5% formaldehyde mixes infiltration with abrasive material with accounting for the abrasive material mass ratio before even the mixing.Mixed-powder is put into behind the mould hot-forming, under 110 ℃ of temperature, be incubated 20min, be warming up to 190 ℃ of insulation 40min then, be placed on the high temperature carbonization stove behind the abrasive wheel forming and carry out the charing processing, retort furnace temperature programming rate is for rising to 790 ℃ of carbonization temperatures through 1.1h by room temperature.The emery wheel compression strength 22.36Mpa that obtains, specific insulation 279.2 Ω mm.
Embodiment 4: accurate grinding bamboo charcoal binding agent sand wheel manufacture method, to account for raw material gross mass percentage and be respectively 32%, 50% and 18% phenolic resins, abrasive material and bamboo charcoal powder and evenly mix, be that 1.5% formaldehyde mixes infiltration with abrasive material with accounting for the abrasive material mass ratio before even the mixing.Mixed-powder is put into behind the mould hot-forming, under 110 ℃ of temperature, be incubated 20min, be warming up to 185 ℃ of insulation 40min then, be placed on the high temperature carbonization stove behind the abrasive wheel forming and carry out the charing processing, retort furnace temperature programming rate is for rising to 800 ℃ of carbonization temperatures through 1.2h by room temperature.The emery wheel compression strength 24.52Mpa that obtains, specific insulation 255.7 Ω mm.
Claims (5)
1. an accurate grinding is characterized in that with bamboo charcoal binding agent sand wheel manufacture method, and phenolic resins, abrasive material and bamboo charcoal powder are evenly mixed, and mixed-powder is put into behind the mould hot-forming, at last the emery wheel of moulding is carried out high temperature carbonization and handles; Described phenolic resins, abrasive material and bamboo charcoal powder account for raw material gross mass percentage and are respectively 28～34%, 50～56% and 16～18%, and described hot-forming temperature is 175～190 ℃, and described high temperature carbonization treatment temperature is 780～800 ℃.
2. accurate grinding according to claim 1 is characterized in that with bamboo charcoal binding agent sand wheel manufacture method: described when hot-forming, under 110 ℃ of temperature, be incubated 20min, and be warming up to 180 ℃ of insulation 40min then.
3. accurate grinding according to claim 1 is characterized in that with bamboo charcoal binding agent sand wheel manufacture method: during described high temperature carbonization, retort furnace temperature programming rate is for to rise to carbonization temperature through 1～1.2h by room temperature.
4. accurate grinding according to claim 1 is characterized in that with bamboo charcoal binding agent sand wheel manufacture method: be that 1.5% formaldehyde mixes infiltration with abrasive material with accounting for the abrasive material mass ratio before described phenolic resins, abrasive material and bamboo charcoal powder are evenly mixed.
5. accurate grinding according to claim 1 is with bamboo charcoal binding agent sand wheel manufacture method, and it is characterized in that: described abrasive material is SiC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101466860A CN103231318A (en) | 2013-04-24 | 2013-04-24 | Method for manufacturing bamboo charcoal bonded grinding wheel for precision grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101466860A CN103231318A (en) | 2013-04-24 | 2013-04-24 | Method for manufacturing bamboo charcoal bonded grinding wheel for precision grinding |
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| Publication Number | Publication Date |
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| CN103231318A true CN103231318A (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013101466860A Pending CN103231318A (en) | 2013-04-24 | 2013-04-24 | Method for manufacturing bamboo charcoal bonded grinding wheel for precision grinding |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447974A (en) * | 2013-09-13 | 2013-12-18 | 常熟市巨力砂轮有限责任公司 | Method for preparing rubber grinding wheel |
| CN103600311A (en) * | 2013-11-26 | 2014-02-26 | 常熟市巨力砂轮有限责任公司 | Production method for bamboo-charcoal binding agent grinding wheel |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB434402A (en) * | 1934-04-27 | 1935-08-30 | Philippe Voegeli Jaggi | Improvements in manufacturing abrasive bodies |
| CN2164342Y (en) * | 1993-05-24 | 1994-05-11 | 陈建志 | Structure of abrasive wheel |
| JP2004209616A (en) * | 2003-01-08 | 2004-07-29 | Ricoh Co Ltd | Tool and method for polishing |
| JP2005111232A (en) * | 2003-10-10 | 2005-04-28 | Seiko:Kk | Grinding material |
| CN101386538A (en) * | 2008-10-28 | 2009-03-18 | 中国林业科学研究院木材工业研究所 | Method for preparing silicon carbide ceramic |
| CN101590626B (en) * | 2009-06-25 | 2011-08-31 | 浙江工业大学 | Bamboo ceramic grinding wheel, preparation method and application thereof |
-
2013
- 2013-04-24 CN CN2013101466860A patent/CN103231318A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB434402A (en) * | 1934-04-27 | 1935-08-30 | Philippe Voegeli Jaggi | Improvements in manufacturing abrasive bodies |
| CN2164342Y (en) * | 1993-05-24 | 1994-05-11 | 陈建志 | Structure of abrasive wheel |
| JP2004209616A (en) * | 2003-01-08 | 2004-07-29 | Ricoh Co Ltd | Tool and method for polishing |
| JP2005111232A (en) * | 2003-10-10 | 2005-04-28 | Seiko:Kk | Grinding material |
| CN101386538A (en) * | 2008-10-28 | 2009-03-18 | 中国林业科学研究院木材工业研究所 | Method for preparing silicon carbide ceramic |
| CN101590626B (en) * | 2009-06-25 | 2011-08-31 | 浙江工业大学 | Bamboo ceramic grinding wheel, preparation method and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103447974A (en) * | 2013-09-13 | 2013-12-18 | 常熟市巨力砂轮有限责任公司 | Method for preparing rubber grinding wheel |
| CN103600311A (en) * | 2013-11-26 | 2014-02-26 | 常熟市巨力砂轮有限责任公司 | Production method for bamboo-charcoal binding agent grinding wheel |
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Application publication date: 20130807 |