CN105922144A - Pore-forming agent of superhard material grinding tool and preparing method of pore-forming agent - Google Patents
Pore-forming agent of superhard material grinding tool and preparing method of pore-forming agent Download PDFInfo
- Publication number
- CN105922144A CN105922144A CN201610314891.7A CN201610314891A CN105922144A CN 105922144 A CN105922144 A CN 105922144A CN 201610314891 A CN201610314891 A CN 201610314891A CN 105922144 A CN105922144 A CN 105922144A
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- Prior art keywords
- pore
- emery wheel
- pore creating
- creating material
- diamond
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Classifications
-
- 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
- B24D3/10—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 for porous or cellular structure, e.g. for use with diamonds as abrasives
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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
- B24D3/14—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 ceramic, i.e. vitrified bondings
- B24D3/18—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 ceramic, i.e. vitrified bondings for porous or cellular structure
-
- 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
- B24D3/20—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 organic
- B24D3/28—Resins or natural or synthetic macromolecular compounds
- B24D3/32—Resins or natural or synthetic macromolecular compounds for porous or cellular structure
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
Disclosed are a pore-forming agent of a superhard grinding tool and a preparing method of the pore-forming agent. The superhard grinding tool comprises metal binding agent diamond or a CBN grinding wheel, ceramic binding agent diamond or the CBN grinding wheel and a resin binding agent diamond or the CBN grinding wheel; a certain amount of pore-forming agent is added to the grinding tool, the pore-forming agent accounts for 0.5 % to 50% of the grinding wheel grinding tool by volume percent, and the pore-forming agent is a hollow glass micro ball, is made of an inorganic material, and is a closed micro ball body with the interior filled with carbon dioxide gas; commonly, the granularity ranges from 10 micrometers to 250 micrometers, the thickness ranges from 1 micrometer to 2 micrometers, and the chemical component is alkaline borosilicate glass; according to the traditional raw material formula of a grinding wheel saw blade, the pore-forming agent of the hollow glass micro ball is added, air bubbles are generated in the grinding wheel grinding tool, sharpness of the grinding wheel saw grinding tool can be effectively improved, wear resistance is ensured, meanwhile, the weight of the grinding wheel is reduced, and raw material cost is saved; and the adopted pore-forming agent is the hollow glass micro ball, and is non-poisonous, free of harm to the human body, uniform in pore forming and ideal in effect.
Description
Technical field
The present invention relates to the grinding tool class field of superhard material, be specifically related to metal-to-metal adhesive diamond or CBN emery wheel, ceramic bond diamond or CBN emery wheel, the pore creating material of the super-hard abrasive tool of resin bonding agent diamond or CBN emery wheel and manufacture method thereof.
Background technology
The application industrially of emery wheel, grinding tool is quite varied; it is mainly used in polishing, polishes, cuts; the sharpness of emery wheel and abrasion resistance are always the factor of two mutual restrictions, and the raw material of diamond and boron nitride grinding wheel grinding tool mostly is diamond particles or boron nitride particle and various metal powder, resinoid bond, vitrified bond combine.For pursuing sharpness, it is desirable to reduce the intake of bonding agent is in order to reduce the hardness of its emery wheel grinding tool, for pursuing abrasion resistance, need the intake strengthening bonding agent in order to increase the hardness of its emery wheel grinding tool.
Above-mentioned two factor for balance sand wheel grinding tool, most effective way is to add pore forming material in emery wheel grinding tool produces, make emery wheel grinding tool produces air pore, sharpness can be increased, and can guarantee that wearability, currently for the pore-creating of emery wheel grinding tool, the pore-creating aborning of conventional resins skive uses industrial chemicals naphthalene powder (ball), produces harmful pungent gas in emery wheel produces and grinding uses；Polluting environment, etching apparatus, producers are caused great actual bodily harm by key.Producing the soft material bodies such as Cortex walnut, wood flour, corncob grain and perlite selected in vitrified abrasive, the wet easy expansion of wet traditional, pore-forming size is uneven, and pattern irregularly easy aliquation collapses limit. affect grinding tool and workpiece quality.
The pore formed from emery wheel grinding tool is divided into preferable pore and undesirable pore for configuration aspects.1), undesirable pore is shaped as non-circular (polygon solid). in angular shape, the distribution of sizes of pore is uneven and many small spaces, such pore can not play and hold bits chip breaking completely. store coolant. and the effect of softening agent, relatively big to the infringement of bonding agent intensity, the holding to sand grains is bad.2), preferable pore, rounded body, the distribution of sizes of pore is more uniform, pore can play in maximum efficiency appearance bits, chip breaking, storage coolant, the effect of lubricant.
Summary of the invention
For overcoming the deficiency of above-mentioned technology, the invention provides pore creating material and the manufacture method of superhard material grinding tool, it is uniform that it has pore-creating, effective, it is possible to increase to have ensured while the sharpness of emery wheel grinding tool that its wearability can reduce again the production cost of emery wheel grinding tool.
For achieving the above object, the technical solution used in the present invention is: the pore creating material of super-hard abrasive tool and manufacture method thereof, described super-hard abrasive tool includes metal-to-metal adhesive diamond or CBN emery wheel, ceramic bond diamond or CBN emery wheel, resin bonding agent diamond or three kinds of CBN emery wheel, it is to add a certain amount of pore creating material in grinding tool, 0.5% the 50% of the percent by volume of described pore creating material accounted for emery wheel grinding tool, described pore creating material is hollow glass micropearl, it is made up of inorganic material, is full of the closing microsphere of carbon dioxide for inside.General granularity 10 250 μm wall, thick 12 μm, its chemical analysis is alkaline borosilicate glass.
The metal-to-metal adhesive diamond of described super-hard abrasive tool or CBN emery wheel, its processing technology adding pore creating material is: described pore creating material accounts for 1% the 35% of the volume of emery wheel saw blade, by pressure forming, haul is made pressed compact after the raw material of casting emery wheel and pore creating material mixing；Then pressed compact is carried out pressure of inert gas sintering, first pressed compact is heated to during sintering 280-400 DEG C and is incubated 20 minutes-40 minutes and carries out pre-reaction, it is then heated to 650-1050 DEG C and is incubated 10 minutes-30 minutes, sintering inert atmosphere pressure is 5-10Mpa, i.e. obtains ceramic metal binder diamond or CBN emery wheel after cooling.
The resin bonding agent diamond of described super-hard abrasive tool or CBN emery wheel, it is to be bonded on matrix a certain amount of pore creating material of middle interpolation with resinoid bond with the cementability of self, it be by, diamond or CBN abrasive particle. resin-oatmeal. resin liquid. after metal dust, additive are sufficiently mixed. extruded, dry, sinter on metallic matrix in the range of 150 200 degree and form, 0.5% the 50% of the volume of described pore creating material accounted for emery wheel grinding tool.
The ceramic bond diamond of described super-hard abrasive tool or CBN emery wheel add a certain amount of pore creating material, use epoxy resin organic bond, it is bonded on the general emery wheel of pottery or its similar body. it is dried, sinter on metallic matrix in the range of 500 1300 degree and form, 0.5% the 50% of the volume of described pore creating material accounted for emery wheel grinding tool.
The beneficial effects of the present invention is: the traditional raw material formula of emery wheel saw blade adds the pore creating material of hollow glass micropearl, air bubble is created in emery wheel grinding tool, the sharpness of abrasive cutoff saw grinding tool can be effectively increased, and in turn ensure that abrasion resistance, reduce again the weight of emery wheel simultaneously, save cost of material.The pore creating material used is hollow glass micropearl, nontoxic, harmless, and pore-creating is uniform, satisfactory for result.
1, in metallic bond, special pore-creating ball is added.Good to the holding of sand grains, intensity is high, good toughness；Eliminate the drawbacks such as self-sharpening in metal bonded wheel is poor, the porosity is low, finishing is difficult；When especially solving processing metal material, it is susceptible to workpiece and sticks together, burn and block the situation of grinding tool.
2, resinoid bond self-sharpening can be good, be not easily blocked, seldom finishing, grinding efficiency higher, and itself have and certain elastic can play polishing action.Adding special pore-creating ball in resinoid bond, reduce grinding temperature, thermal diffusivity is more preferable, eliminates the amount of heat produced in grinding process.Solve to cause resin easily soften or decompose because of high temperature, cause its cohesion to decline and cause the abrasive material of costliness to play a role the most completely the drawback come off the most in a large number, thus extend emery wheel and use and order.
3. vitrified bonded grinding tool is to apply increasingly extensive a kind of bonding agent at present, and its performance is between metallic bond and resinoid bond.In Technique of Vitrified Diamond Wheels, particularly add special pore-creating ball, make emery wheel have more preferable pore, be more beneficial for cooling, hold bits and chip removal.So being not easily blocked when grinding, being difficult to workpiece of burning, it is possible to meet the grinding of difficult-to-machine material and the needs of high efficient grinding well.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described.
Pore creating material in the present invention is according to being ground pin. and the object difference of cutting polishing selects different additions. from 1%--50%.Following instance is enumerated according to processing condition and method difference object.
Embodiment 1
Metal-to-metal adhesive diamond or CBN emery wheel, skive adds a certain amount of pore creating material, described metal-to-metal adhesive emery wheel metal dust consolidates. super-hard abrasive particle layer is bonded in substantially. and processing technology is, a kind of ceramic metal binder diamond or CBN emery wheel, prepared by following methods, it step included is: component and proportioning (volume or weight percentage ratio) the described electroless copper diamond dust of 1) preparing mixture of powders raw material are made up of the particulate matter that mean diameter is 0.5-800 micron, these particulate matters are by diamond or CBN grain core and to be coated on the copper coating of bortz wicking surface and constitute；According to above-mentioned component and proportioning, by described electroless copper diamond dust, (W, Ti) C powder, glass putty, iron group metal powder, (soda lime borosilicate glass high-performance) hollow glass micropearl (pore creating material) mixes, 1% the 35% of the volume of described pore creating material accounted for abrasive cutoff saw sheet, prepare mixture of powders；2) above-mentioned mixture of powders is made pressed compact by pressure forming by molding；3) sintering carries out pressure of inert gas sintering to above-mentioned pressed compact, first pressed compact is heated to during sintering 280-400 DEG C and is incubated 20 minutes-40 minutes and carries out pre-reaction, it is then heated to 650-1050 DEG C and is incubated 10 minutes-30 minutes, sintering inert atmosphere pressure is 5-10Mpa, i.e. obtains ceramic metal anchoring agent diamond grinding wheel after cooling.
Embodiment 2
Resin bonding agent diamond or CBN emery wheel, it is to be bonded on matrix a certain amount of pore creating material of middle interpolation with resinoid bond with the cementability of self, it be by, diamond or CBN abrasive particle. resin-oatmeal. resin liquid. after other additive such as metal dust is sufficiently mixed. extruded. it is dried. sinter on metallic matrix in the range of 150 200 degree and form, 0.5% the 50% of the volume of described pore creating material accounted for emery wheel grinding tool, described pore creating material is hollow glass micropearl.
Embodiment 3
Ceramic bond diamond or CBN emery wheel add a certain amount of pore creating material, use the organic bonds such as epoxy resin. it is bonded on the general emery wheel of pottery or its similar body. it is dried. sinter on metallic matrix in the range of 500 1300 degree and form, 0.5% the 50% of the volume of described pore creating material accounted for emery wheel grinding tool, described pore creating material is hollow glass micropearl.
By counting the pore creating material of hollow glass micropearl, averagely can improve the sharpness of 5% 20%, cost of material averagely reduces by more than 10%.
Claims (4)
1. the pore creating material of super-hard abrasive tool and manufacture method thereof, it is to add a certain amount of pore creating material in grinding tool, described super-hard abrasive tool includes metal-to-metal adhesive diamond or CBN emery wheel, ceramic bond diamond or CBN emery wheel, resin bonding agent diamond or three kinds of CBN emery wheel, it is characterized in that: 0.5% the 50% of the percent by volume of described pore creating material accounted for emery wheel grinding tool, described pore creating material is hollow glass micropearl, it is made up of inorganic material, the closing microsphere of carbon dioxide it is full of for inside, general granularity 10 250 μm wall, thick 12 μm, its chemical analysis is alkaline borosilicate glass.
The pore creating material of super-hard abrasive tool the most according to claim 1 and manufacture method thereof, it is characterized in that: the metal-to-metal adhesive diamond of described super-hard abrasive tool or CBN emery wheel, its processing technology adding pore creating material is: described pore creating material accounts for 1% the 35% of the volume of emery wheel saw blade, by pressure forming, haul is made pressed compact after the raw material of casting emery wheel and pore creating material mixing；Then pressed compact is carried out pressure of inert gas sintering, first pressed compact is heated to during sintering 280-400 DEG C and is incubated 20 minutes-40 minutes and carries out pre-reaction, it is then heated to 650-1050 DEG C and is incubated 10 minutes-30 minutes, sintering inert atmosphere pressure is 5-10Mpa, i.e. obtains ceramic metal binder diamond or CBN emery wheel after cooling.
The pore creating material of super-hard abrasive tool the most according to claim 1 and manufacture method thereof, it is characterized in that: the resin bonding agent diamond of described super-hard abrasive tool or CBN emery wheel, it is to be bonded on matrix a certain amount of pore creating material of middle interpolation with resinoid bond with the cementability of self, it be by, diamond or CBN abrasive particle. resin-oatmeal. resin liquid. after metal dust, additive are sufficiently mixed. extruded, dry, sinter on metallic matrix in the range of 150 200 degree and form, 0.5% the 50% of the volume of described pore creating material accounted for emery wheel grinding tool.
The pore creating material of super-hard abrasive tool the most according to claim 1 and manufacture method thereof, it is characterized in that: the ceramic bond diamond of described super-hard abrasive tool or CBN emery wheel add a certain amount of pore creating material, use epoxy resin organic bond, it is bonded on the general emery wheel of pottery or its similar body. it is dried, sinter on metallic matrix in the range of 500 1300 degree and form, 0.5% the 50% of the volume of described pore creating material accounted for emery wheel grinding tool.
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| CN201610314891.7A CN105922144A (en) | 2016-05-13 | 2016-05-13 | Pore-forming agent of superhard material grinding tool and preparing method of pore-forming agent |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903618A (en) * | 2017-03-10 | 2017-06-30 | 山西钜星超硬工具制品有限公司 | The honing stone for preparing the ceramic based anchoring agent of honing stone and being made of it |
| CN107009289A (en) * | 2017-05-10 | 2017-08-04 | 上海科弗新材料科技有限公司 | Frotton and preparation method thereof |
| CN108890547A (en) * | 2018-07-06 | 2018-11-27 | 厦门大学 | The preparation method and polishing method of vitreous silica water-less environment fixed grain polishing wheel |
| CN109202753A (en) * | 2018-09-18 | 2019-01-15 | 河南工业大学 | A kind of preparation method of the resin bonding agent diamond grinding tool with homogeneous microstructure |
| CN109676541A (en) * | 2018-12-18 | 2019-04-26 | 郑州磨料磨具磨削研究所有限公司 | A kind of grinding of silicon ingot is with being excused from a college course reduction conjunction binding agent ultra hard grinding wheel and its preparation method and application |
| CN109852019A (en) * | 2019-01-29 | 2019-06-07 | 天津百恩威新材料科技有限公司 | A kind of hollow glass micropearl-elastic resin composite grain and the preparation method and application thereof |
| CN110819864A (en) * | 2019-11-19 | 2020-02-21 | 普瑞思(厦门)精密工具有限公司 | Metal bond diamond grinding wheel for grinding ferrous metal and preparation process |
| CN111604820A (en) * | 2020-05-27 | 2020-09-01 | 中铁隆昌铁路器材有限公司 | Porous steel rail grinding CBN grinding wheel and preparation method thereof |
| CN111659317A (en) * | 2020-06-06 | 2020-09-15 | 南京惠诚工具制造有限公司 | Preparation method of self-sharpening superhard material accumulated abrasive |
| CN112677058A (en) * | 2020-12-22 | 2021-04-20 | 南京三超新材料股份有限公司 | Superhard grinding wheel with porous metal ceramic composite material binding agent and preparation method thereof |
| CN114378731A (en) * | 2022-01-25 | 2022-04-22 | 长沙市萨普新材料有限公司 | Diamond grinding wheel disc for sapphire thinning and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106903618A (en) * | 2017-03-10 | 2017-06-30 | 山西钜星超硬工具制品有限公司 | The honing stone for preparing the ceramic based anchoring agent of honing stone and being made of it |
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| CN108890547A (en) * | 2018-07-06 | 2018-11-27 | 厦门大学 | The preparation method and polishing method of vitreous silica water-less environment fixed grain polishing wheel |
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| CN109852019A (en) * | 2019-01-29 | 2019-06-07 | 天津百恩威新材料科技有限公司 | A kind of hollow glass micropearl-elastic resin composite grain and the preparation method and application thereof |
| CN109852019B (en) * | 2019-01-29 | 2021-05-14 | 天津百恩威新材料科技有限公司 | Hollow glass bead-elastic resin compound particle and preparation method and application thereof |
| CN110819864A (en) * | 2019-11-19 | 2020-02-21 | 普瑞思(厦门)精密工具有限公司 | Metal bond diamond grinding wheel for grinding ferrous metal and preparation process |
| CN111604820A (en) * | 2020-05-27 | 2020-09-01 | 中铁隆昌铁路器材有限公司 | Porous steel rail grinding CBN grinding wheel and preparation method thereof |
| CN111659317A (en) * | 2020-06-06 | 2020-09-15 | 南京惠诚工具制造有限公司 | Preparation method of self-sharpening superhard material accumulated abrasive |
| CN112677058A (en) * | 2020-12-22 | 2021-04-20 | 南京三超新材料股份有限公司 | Superhard grinding wheel with porous metal ceramic composite material binding agent and preparation method thereof |
| CN114378731A (en) * | 2022-01-25 | 2022-04-22 | 长沙市萨普新材料有限公司 | Diamond grinding wheel disc for sapphire thinning and preparation method thereof |
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