CN105598859A - Large-pore CBN grinding wheel for machining sliding vanes of compressor - Google Patents
Large-pore CBN grinding wheel for machining sliding vanes of compressor Download PDFInfo
- Publication number
- CN105598859A CN105598859A CN201511014573.0A CN201511014573A CN105598859A CN 105598859 A CN105598859 A CN 105598859A CN 201511014573 A CN201511014573 A CN 201511014573A CN 105598859 A CN105598859 A CN 105598859A
- Authority
- CN
- China
- Prior art keywords
- emery wheel
- cbn
- grinding wheel
- processing
- blow hole
- Prior art date
- 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
-
- 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
- B24D3/285—Reaction products obtained from aldehydes or ketones
-
- 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
-
- 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
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
- B24D3/344—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent the bonding agent being organic
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a large-pore CBN grinding wheel for machining sliding vanes of a compressor. The large-pore CBN grinding wheel comprises a base body and a grinding material layer, wherein the grinding material layer comprises 15 to 20 percent of a CBN grinding material, 40 to 50 percent of phenolic resin powder, 12 to 18 percent of a solid lubricating material, 8 to 10 percent of a heat conducting material, and 10 to 15 percent of a pore forming material, wherein the pore forming materials adopts alumina hollow balls of which the average grain diameter is 1.5 to 2.0 mm. Compared with the conventional grinding wheel, the large-pore CBN grinding wheel for machining the sliding vanes has the advantages that the production efficiency is improved; the dressing time of the grinding wheel is prolonged; the manual replacing frequency is reduced; the shape preserving capability of the grinding wheel is improved; the dressing times of the grinding wheel during machining is reduced; the grinding wheel is highly sharp, so as to ensure the workpiece machining precision.
Description
Technical field
The invention belongs to super-abrasive grinding wheel field, be specifically related to a kind of for processing the manufacture of gross blow hole in gross blow hole CBN emery wheel, the especially emery wheel of compressor sliding blade.
Background technology
Emery wheel is the main tool of grinding, and it is the porous body being made up of abrasive material and bonding agent. CBN has the advantages such as high rigidity, high tenacity, high temperature resistant, Heat stability is good, chemical inertness be strong, therefore people are usually with CBN emery wheel processing potassium steel, Gao Ge, nickel, molybdenum alloy steel, the soft tough material of the high rigidity such as all kinds of cast irons, solve the machining problem of high rigidity difficult-to-machine material in all trades and professions, improve operating efficiency, saved significantly machining period and electric power, obtained huge economic benefit.
Compressor sliding blade uses the material such as stainless steel, high-speed steel composition conventionally, conventionally has the surface heat processing such as nitriding, carburizing, tempering, annealing, quenching, and its hardness is not from 30 ~ 60HRC etc. Slide plate is by the processing of low speed 1080r/min Double face grinding, and grinding allowance is large, and flatness, the depth of parallelism require high, and surface roughness is had relatively high expectations, and burn, cut, top rake, the defects such as limit of collapsing can not appear in surface of the work simultaneously.
Processing compressor sliding blade adopts resinoid bond CBN emery wheel conventionally at present, although can meet the requirement of working (machining) efficiency, wearing no resistance of resinoid bond, therefore needs frequent finishing in process, greatly affect the service life of emery wheel. And the working (machining) efficiency of vitrified bond and life-span meet the demands, but roughness cannot be up to standard, and high cost.
So need to research and develop a kind of brand-new emery wheel that is applicable to slide plate processing, meet working (machining) efficiency, finishing gap, the requirements such as life-span and roughness simultaneously.
Summary of the invention
Goal of the invention of the present invention is to provide a kind of for processing the gross blow hole CBN emery wheel of compressor sliding blade, and it has the advantages that sharpness is good, self-sharpening is good and workpiece surface quality is outstanding, also has the feature that chip resistance is strong, thermal diffusivity is strong and wearability is strong.
To achieve the above object of the invention, the technical solution used in the present invention is: a kind of for processing the gross blow hole CBN emery wheel of compressor sliding blade, comprise matrix and abrasive material, the raw material of described abrasive material forms with percent by volume, CBN abrasive material 15～20%, phenol-formaldehyde resin powder 40～50%, solid lubricant 12～18%, Heat Conduction Material 8～10%, pore creating material 10～15%;
Described pore creating material is alumina hollow ball, and the average grain diameter of described alumina hollow ball is 1.5～2.0mm.
In technique scheme, described solid lubricant is graphite powder, and Heat Conduction Material is electrolytic copper powder.
In technique scheme, the average grain diameter of described phenol-formaldehyde resin powder is no more than 64 μ m, and the average grain diameter of graphite powder is no more than 65 μ m, and the average grain diameter of electrolytic copper powder is no more than 65 μ m.
The invention also discloses above-mentionedly for processing the preparation method of gross blow hole CBN emery wheel of compressor sliding blade, it comprises the following steps:
(1) phenol-formaldehyde resin powder, solid lubricant, Heat Conduction Material are proportionally fully mixed 1 hour in three-dimensional ball milling batch mixer, then took out 200 mesh standard sieves, obtain bonding agent mixture;
(2) in above-mentioned bonding agent mixture, add CBN abrasive material, mix and sieve, obtain abrasive material compound;
(3) by pore creating material surface uniform coat KH550 coupling agent after mix with above-mentioned abrasive material compound again, cross 10 mesh standard sieves, obtain emery wheel compound;
(4) metallic matrix processing is inserted in mould and configured, then the emery wheel compound of step (3) gained slowly dropped into equably in the mould configuring with matrix and strike off, insert cover half hot pressing in hot press, pressure when hot pressing is 300MPa, temperature is 170～180 DEG C, dwell time is 60～120 minutes, then obtains emery wheel base substrate through cooling and mould unloading;
(5) the shape and size that the emery wheel base substrate of step (4) gained are machined on lathe and grinding machine to drawing requirement obtain described for processing the gross blow hole CBN emery wheel of compressor sliding blade.
Because technique scheme is used, the present invention compared with prior art has following advantages:
The present invention discloses a kind of for processing the gross blow hole CBN emery wheel of compressor sliding blade first, raw material composition rationally, preparation technology is simple, compared with conventional emery wheel, when prepared gross blow hole CBN emery wheel processing compressor sliding blade, improve production efficiency, extend the time of crushing, reduce the frequency of manually changing emery wheel, improved the shape hold facility of emery wheel, reduced emery wheel at the number of times that adds finishing in man-hour; And gained emery wheel sharpness is good, ensure the precision of workpiece processing.
Brief description of the drawings
Fig. 1 is the structural representation of the gross blow hole CBN emery wheel for preparing in embodiment;
Fig. 2 is the schematic flow sheet of preparing gross blow hole CBN emery wheel in embodiment;
Wherein: 1, matrix; 2, abrasive material.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
Embodiment mono-:
Shown in Figure 1, a kind of for processing the gross blow hole CBN emery wheel of compressor sliding blade, comprise matrix 1 and abrasive material 2, the raw material of described abrasive material forms and percent by volume is, CBN abrasive material 20%, phenol-formaldehyde resin powder 48%, graphite powder 12%, electrolytic copper powder 10%, alumina hollow ball 10%; Wherein, CBN abrasive grain is 200/230, and crystal formation is the polycrystalline resin abrasive material of nickel plating 30%.
The average grain diameter of described phenol-formaldehyde resin powder is 64 μ m, and the average grain diameter of graphite powder is 65 μ m, and the average grain diameter of electrolytic copper powder is 65 μ m, and the average grain diameter of alumina hollow ball is 1.5 ~ 2.0mm.
Shown in Figure 2, for processing the preparation method of gross blow hole CBN emery wheel of compressor sliding blade, specifically comprise the following steps:
(1) phenol-formaldehyde resin powder, graphite powder, electrolytic copper powder are proportionally fully mixed 1 hour in three-dimensional ball milling batch mixer, then took out 200 mesh standard sieves, obtain bonding agent mixture;
(2) in above-mentioned bonding agent mixture, add CBN abrasive material, mix rear mistake 120 mesh standard sieves, obtain abrasive material compound;
(3) by alumina hollow ball surface uniform coat KH550 coupling agent after mix with above-mentioned abrasive material compound again, cross 10 mesh standard sieves, obtain emery wheel compound, herein, preferentially select manual mixing, in case breaking appears in oxidation aluminium hollow ball in mechanical mixture, cause emery wheel sharpness to reduce;
(4) metallic matrix processing is inserted in mould and configured, then the emery wheel compound of step (3) gained slowly dropped into equably in the mould configuring with matrix and strike off, insert cover half hot pressing in hot press, the temperature while setting hot pressing is 180 DEG C; The setting curve that boosts, 10min slowly boosts to 300MPa; Dwell time is 90 minutes, then obtains emery wheel base substrate through cooling and mould unloading;
(5) the shape and size that the emery wheel base substrate of step (4) gained are machined on lathe and grinding machine to drawing requirement obtain described for processing the gross blow hole CBN emery wheel of compressor sliding blade, pack after the assay was approved, put in storage by national standard. The present embodiment all material used is commercial goods, and quality meets national standard.
Single grinding allowance 0.3mm of the prepared emery wheel practical application of the present embodiment, planeness of workpiece reaches 0.004mm, and the depth of parallelism reaches 0.003mm, and workpiece surface roughness is Ra0.30, all meets the requirements of the customers. Finishing gap is that 15000 workpiece one are repaiied, and wheel life reaches 300,000 workpiece, and comprehensive process efficiency improves 50% compared with ordinary resin emery wheel.
Embodiment bis-:
Shown in Figure 1, a kind of for processing the gross blow hole CBN emery wheel of compressor sliding blade, comprise matrix 1 and abrasive material 2, the raw material of described abrasive material forms and percent by volume is, CBN abrasive material 15%, phenol-formaldehyde resin powder 48%, graphite powder 13%, electrolytic copper powder 9%, alumina hollow ball 15%; Wherein, CBN abrasive grain is 200/230, and crystal formation is the polycrystalline resin abrasive material of nickel plating 30%.
The average grain diameter of described phenol-formaldehyde resin powder is 64 μ m, and the average grain diameter of graphite powder is 65 μ m, and the average grain diameter of electrolytic copper powder is 65 μ m, and the average grain diameter of alumina hollow ball is 1.5 ~ 2.0mm.
Shown in Figure 2, for processing the preparation method of gross blow hole CBN emery wheel of compressor sliding blade, specifically comprise the following steps:
(1) phenol-formaldehyde resin powder, graphite powder, electrolytic copper powder are proportionally fully mixed 1 hour in three-dimensional ball milling batch mixer, then took out 200 mesh standard sieves, obtain bonding agent mixture;
(2) in above-mentioned bonding agent mixture, add CBN abrasive material, mix rear mistake 120 mesh standard sieves, obtain abrasive material compound;
(3) by alumina hollow ball surface uniform coat KH550 coupling agent after mix with above-mentioned abrasive material compound again, cross 10 mesh standard sieves, obtain emery wheel compound, herein, preferentially select manual mixing, in case breaking appears in oxidation aluminium hollow ball in mechanical mixture, cause emery wheel sharpness to reduce;
(4) metallic matrix processing is inserted in mould and configured, then the emery wheel compound of step (3) gained slowly dropped into equably in the mould configuring with matrix and strike off, insert cover half hot pressing in hot press, the temperature while setting hot pressing is 180 DEG C; The setting curve that boosts, 10min slowly boosts to 300MPa; Dwell time is 90 minutes, then obtains emery wheel base substrate through cooling and mould unloading;
(5) the shape and size that the emery wheel base substrate of step (4) gained are machined on lathe and grinding machine to drawing requirement obtain described for processing the gross blow hole CBN emery wheel of compressor sliding blade, pack after the assay was approved, put in storage by national standard. The present embodiment all material used is commercial goods, and quality meets national standard.
The prepared emery wheel of the present embodiment reduces compared with the emery wheel concentration in embodiment mono-, and the porosity increases, and reduces certain sharpness, meets life requirements. Single grinding allowance 0.40mm of this emery wheel practical application, planeness of workpiece reaches 0.003mm, and the depth of parallelism reaches 0.002mm, and workpiece surface roughness is Ra0.19, all meets the requirements of the customers. Finishing gap is that 20,000 workpiece one are repaiied, and wheel life reaches 500,000 workpiece, and comprehensive process efficiency improves 100%.
The performance parameter of table 1 CBN emery wheel of the present invention and existing emery wheel processing compressor sliding blade matrix
Claims (5)
1. one kind for processing the gross blow hole CBN emery wheel of compressor sliding blade, comprise matrix and abrasive material, it is characterized in that: the raw material of described abrasive material forms and percent by volume is, CBN abrasive material 15～20%, phenol-formaldehyde resin powder 40～50%, solid lubricant 12～18%, Heat Conduction Material 8～10%, pore creating material 10～15%;
Described pore creating material is alumina hollow ball, and the average grain diameter of described alumina hollow ball is 1.5～2.0mm.
2. according to claim 1ly it is characterized in that: described solid lubricant is graphite powder for processing the gross blow hole CBN emery wheel of compressor sliding blade, Heat Conduction Material is electrolytic copper powder.
3. according to claim 1 for processing the gross blow hole CBN emery wheel of compressor sliding blade, it is characterized in that: the average grain diameter of described phenol-formaldehyde resin powder is no more than 64 μ m.
4. according to claim 2ly it is characterized in that: the average grain diameter of described graphite powder is no more than 65 μ m for processing the gross blow hole CBN emery wheel of compressor sliding blade, the average grain diameter of electrolytic copper powder is no more than 65 μ m.
Described in claim 1 for processing the preparation method of gross blow hole CBN emery wheel of compressor sliding blade, it comprises the following steps:
(1) phenol-formaldehyde resin powder, solid lubricant, Heat Conduction Material are proportionally fully mixed 1 hour in three-dimensional ball milling batch mixer, then took out 200 mesh standard sieves, obtain bonding agent mixture;
(2) in above-mentioned bonding agent mixture, add CBN abrasive material, mix and sieve, obtain abrasive material compound;
(3) by pore creating material surface uniform coat KH550 coupling agent after mix with above-mentioned abrasive material compound again, cross 10 mesh standard sieves, obtain emery wheel compound;
(4) metallic matrix processing is inserted in mould and configured, then the emery wheel compound of step (3) gained slowly dropped into equably in the mould configuring with matrix and strike off, insert cover half hot pressing in hot press, pressure when hot pressing is 300MPa, temperature is 170～180 DEG C, dwell time is 60～120 minutes, then obtains emery wheel base substrate through cooling and mould unloading;
(5) the shape and size that the emery wheel base substrate of step (4) gained are machined on lathe and grinding machine to drawing requirement obtain described for processing the gross blow hole CBN emery wheel of compressor sliding blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511014573.0A CN105598859A (en) | 2015-12-31 | 2015-12-31 | Large-pore CBN grinding wheel for machining sliding vanes of compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511014573.0A CN105598859A (en) | 2015-12-31 | 2015-12-31 | Large-pore CBN grinding wheel for machining sliding vanes of compressor |
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| CN105598859A true CN105598859A (en) | 2016-05-25 |
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| CN201511014573.0A Pending CN105598859A (en) | 2015-12-31 | 2015-12-31 | Large-pore CBN grinding wheel for machining sliding vanes of compressor |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110238764A (en) * | 2019-07-19 | 2019-09-17 | 陕西科技大学 | A kind of Vitrified Bond CBN Tools and its preparation method and application |
| CN111441011A (en) * | 2020-04-13 | 2020-07-24 | 河北太行机械工业有限公司 | Nitriding treatment process for high-speed steel tool |
| 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 |
| CN112296892A (en) * | 2020-10-26 | 2021-02-02 | 江苏赛扬精工科技有限责任公司 | Resin superhard grinding wheel for processing tough metal material and preparation method thereof |
| CN113334263A (en) * | 2021-07-27 | 2021-09-03 | 南京三超新材料股份有限公司 | Large-pore high-porosity grinding wheel molding material mixing method |
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| CN104308755A (en) * | 2014-10-21 | 2015-01-28 | 苏州赛力精密工具有限公司 | Resin CBN (cubic boron nitride) grinding wheel for machining saw blade base body |
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- 2015-12-31 CN CN201511014573.0A patent/CN105598859A/en active Pending
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| JP2008093768A (en) * | 2006-10-10 | 2008-04-24 | Shinichi Kizawa | Grinding wheel and metal base |
| CN102814756A (en) * | 2011-06-09 | 2012-12-12 | 沈阳中科超硬磨具磨削研究所 | Resin CBN (cubic boron nitride) end face grinding wheel and application |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110238764A (en) * | 2019-07-19 | 2019-09-17 | 陕西科技大学 | A kind of Vitrified Bond CBN Tools and its preparation method and application |
| CN111441011A (en) * | 2020-04-13 | 2020-07-24 | 河北太行机械工业有限公司 | Nitriding treatment process for high-speed steel tool |
| CN112296892A (en) * | 2020-10-26 | 2021-02-02 | 江苏赛扬精工科技有限责任公司 | Resin superhard grinding wheel for processing tough metal material and preparation method thereof |
| CN113334263A (en) * | 2021-07-27 | 2021-09-03 | 南京三超新材料股份有限公司 | Large-pore high-porosity grinding wheel molding material mixing method |
| CN113334263B (en) * | 2021-07-27 | 2024-02-20 | 江苏三晶半导体材料有限公司 | Method for mixing molding materials of large-pore high-porosity grinding wheel |
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Application publication date: 20160525 |