CN103506964A - Modified diamond abrasive tool and manufacturing method thereof - Google Patents
Modified diamond abrasive tool and manufacturing method thereof Download PDFInfo
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- CN103506964A CN103506964A CN201310426219.3A CN201310426219A CN103506964A CN 103506964 A CN103506964 A CN 103506964A CN 201310426219 A CN201310426219 A CN 201310426219A CN 103506964 A CN103506964 A CN 103506964A
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Abstract
The invention discloses a modified diamond abrasive tool and a manufacturing method of the modified diamond abrasive tool. The modified diamond abrasive tool comprises a base body and diamond abrasive materials arranged in a work area on the surface of the base body, wherein the work area on the surface of the base body is a step surface provided with a plurality of steps, each step is composed of a vertical surface and a horizontal surface, the step surfaces gradually decrease from the working direction, the horizontal surface of each step is provided with at least one installation groove used for containing the lower portions of the diamond abrasive materials, the diamond abrasive materials are embedded in the installation grooves and sequentially distributed on the step surfaces, the topmost end of each diamond abrasive material is a sharp end or an edge, the diamond abrasive material at the topmost part of the step surfaces works firstly, and after the diamond abrasive material at the topmost part of the step surfaces is blunt, the diamond abrasive materials at the other parts gradually work. The sharp end or the edge of each diamond abrasive material is the topmost end of the diamond abrasive material, so that the diamond abrasive materials are used in an optimized mode. The contacting area between the diamond abrasive materials and a machined object is reduced, the grinding force is small, machining efficiency is high, and the service life of the modified diamond abrasive tool is prolonged.
Description
Technical field
The present invention relates to a kind of improved diamond abrasive material tools, be mainly used in boring, cutting, grind the materials such as processing metal, stone material, concrete, glass, pottery, crystal, carbide alloy, silicon chip, magnetic material, also relate to the preparation method of above-mentioned improved diamond abrasive material tools.
Background technology
At present, metal-bonded diamond abrasive material tools can be divided into plating, sintering, soldering three types.Wherein, plating diamond tool only depends on coating machinery embedding mosaic diamond abrasive material, on diamond and coating interface, there is no bond strength; And sintered diamond tool mixes pressed compact sintering and makes with diamond abrasive grains with metal dust, on impregnated with diamond abrasive material and carcass material interface, neither infiltrate also without bond strength.The diamond abrasive of above-mentioned these two kinds of instruments all can be because hold comes off not too early when heavy load operation, and abrasive material utilization rate is low, and life tools are short.
For solving, electroplate, it is low that sintered diamond tool abrasive material is controlled intensity, the problem coming off too early, closely during the last ten years, research is both at home and abroad made diamond abrasive instrument with method for brazing, because the active element in diamond abrasive and fusing solder is as Cr, the reactions such as Ti, this reaction has improved the wetting climbing ability of fusing soldering component to abrasive surface, therefore make compatible enhancing between bonding agent and diamond abrasive, promoted and adhered to adhesion strength, and then solved the inadequate problem of diamond abrasive hold on instrument, make brazed diamond tool obtain application more and more widely.
At present, material processing field be take single layer soldering diamond tool as main, and these single layer soldering diamond tools in use exist following defect:
1, due to braze welding diamond cylindrical drill, saw blade, emery wheel, the face of beading bonding diamond is respectively the end face of cylindrical drill matrix, the outer circumference surface of saw bit matrix, the external cylindrical surface of emery wheel and beading matrix, diamond abrasive grain on these faces is almost participated in and is cut grinding simultaneously, these diamond abrasive grains are while blunt almost, after blunt, because of itself and the high difficult drop-off of bonding agent bond strength, therefore increased the contact area with processing object, the pressure that causes instrument to be difficult to provide appropriate is exercised effective grinding, cutting efficiency and crudy are reduced, if reduce cutting force by reducing the quantity of the diamond abrasive grain of tool surfaces, improve cutting efficiency, to cause greatly shorten life tools.
2, regular diamond abrasive is hexahedron or octahedron or dodecahedron, and surface mostly is the plane being parallel to each other, in brazing process, diamond abrasive swims in liquid phase solder top layer, under liquid metal solder surface tension effects, the diamond particles tension power effect of tool surfaces, make the plane parallel on diamond abrasive surface in tool base surface, therefore during cutting and cutting, the new abrasive material of locating in this way, its effect is equal to the old abrasive material of the large plane of wearing and tearing, and causes the top and seamed edge that diamond abrasive is sharp to be utilized well.Diamond abrasive is the most expensive part in diamond abrasive instrument, could not good good utilisation due to its sharp top and seamed edge, caused covert waste.
3, each tool advantage of the diamond abrasive instrument of making by soldering processes, the while is each defectiveness again, cannot concentrate the more excellent performance of realization.
Summary of the invention
First object of the present invention be to provide a kind of working (machining) efficiency high, can extend tool life, improve the improved diamond abrasive material tools of crudy.
Second object of the present invention is to provide a kind of preparation method of above-mentioned improved diamond abrasive material tools.
First object of the present invention realizes by the following technical solutions: a kind of improved diamond abrasive material tools, comprise matrix and the diamond abrasive that is arranged on matrix surface workspace, it is characterized in that: the workspace of described matrix surface is the step surface that is provided with several grades of steps, each step forms by vertical plane and horizontal plane, described step surface reduces step by step from operative orientation, on the horizontal plane of each step, have at least one for holding the mounting groove of diamond abrasive bottom, described diamond abrasive is inlaid in and in mounting groove and on step surface, is ordered arrangement, the most significant end of described diamond abrasive is its tip or seamed edge, the diamond abrasive that is positioned at the high-order bit of step surface is first devoted oneself to work, and after this diamond abrasive blunt, the diamond abrasive at all the other positions is devoted oneself to work step by step.
The tip of diamond abrasive of the present invention or seamed edge are the most significant ends of diamond abrasive, therefore make diamond abrasive reach optimization utilization, diamond abrasive in the high-order bit of step surface is first started working, and along with the adamantine wearing and tearing at this position, the diamond abrasive at all the other positions is devoted oneself to work step by step, so, boring, cut, grind and add man-hour, reduced the contact area of diamond abrasive and processing object, grinding force is little, working (machining) efficiency is high, has extended the service life of diamond abrasive instrument.
The workspace of matrix surface of the present invention is toothed surfaces, and each tooth forms by two planes, and one of them plane is provided with several grades of steps and forms described step surface.
Stability while cutting grinding in order to improve diamond abrasive instrument, that slows down, even avoids machined material collapses limit phenomenon, improve crudy, as a modification of the present invention, in trench in toothed surfaces between adjacent teeth, be filled with carcass material, the most significant end that is positioned at the diamond abrasive of the high-order bit of step surface exposes carcass material, diamond abrasive in the high-order bit of step surface is first devoted oneself to work, along with the progressively progressively exposure and devoting oneself to work of diamond abrasive at worn Shi Gai position of the carcass material at all the other positions.
The groove inner face of mounting groove of the present invention and the lower surface of diamond abrasive adapt, the groove inner face that is described mounting groove is comprised of a plurality of cone tanks, the drift angle of described cone tank is corresponding to the tip of diamond abrasive, and the open angle of described mounting groove is 50～150 °, is preferably 120 °.The width of mounting groove is enough to make diamond abrasive to stand in mounting groove and it is leaned against on the face of mounting groove Nei one or both sides, guarantees that diamond abrasive can run-off the straight, realizes the object that the most significant end of diamond abrasive is its tip or seamed edge.Cone tank can be made and be obtained by the method to matrix chemical etching or electric spark or machining.
As a kind of optimal way of the present invention, the degree of depth of described mounting groove is 30%～50% of diamond abrasive particle diameter.
The height of single step of the present invention is 60%～90% of diamond abrasive particle diameter.
Second object of the present invention realizes by the following technical solutions: a kind of preparation method of above-mentioned improved diamond abrasive material tools, is characterized in that comprising the following steps:
(1) in the workspace of matrix surface, process several grades of steps and form step surface, each step forms by vertical plane and horizontal plane, and this step surface reduces step by step from operative orientation;
(2) on the horizontal plane of each step, process at least one for holding the mounting groove of diamond abrasive bottom;
(3) diamond abrasive is inlaid in mounting groove, the most significant end that simultaneously makes diamond abrasive is its tip or seamed edge;
(4), after treating all diamond abrasive setting-ins, diamond abrasive is ordered arrangement on step surface.
The present invention described step (3) in, diamond abrasive is first placed in mounting groove and makes the most significant end of diamond abrasive is its tip or seamed edge, then diamond abrasive soldering is realized to diamond abrasive in mounting groove is inlaid in mounting groove.
As a modification of the present invention, toothed surfaces is processed into in the workspace of matrix surface, each tooth is formed by two planes, in one of them plane, process several grades of steps and form described step surface.
As a modification of the present invention, complete described step (4) after, in trench between adjacent teeth, sintering is filled carcass material, after filling, finishing carcass material exposes carcass material with the most significant end that obtains needed diamond abrasive tool shape and make to be positioned at the diamond abrasive of the high-order bit of step surface.Wherein, sintering process can adopt hot-pressing sintering technique, also sintering process in vacuum or gas shield stove again after available colding pressing.
Compared with prior art, the present invention has following significant effect:
(1) the most significant end of diamond abrasive of the present invention is its tip or seamed edge, and the diamond abrasive of the high-order bit of step surface is first started working, wearing and tearing along with diamond abrasive, the diamond abrasive at all the other positions is devoted oneself to work step by step, boring, cut, grind and add man-hour, has reduced the contact area of diamond abrasive and processing object, grinding force is little, working (machining) efficiency is high, has extended the service life of grinding tool, makes diamond abrasive reach optimization utilization simultaneously.
(2) the diamond abrasive being positioned on multi-stage stairs is worked step by step, and the cone tank of the vertical plane of step and horizontal plane, mounting groove is faced diamond abrasive and is had supporting role, add and adopt soldering fixed diamond abrasive material, make diamond abrasive in conjunction with fixation, extended the service life of instrument.
(3) in the trench between the adjacent teeth of toothed surfaces, be filled with carcass material, the stability while can raising instrument cutting grinding, slows down or avoids machined material to collapse limit phenomenon, has improved crudy.
(4) diamond abrasive optimization of the present invention is arranged, and the advantage of union soldering and two kinds of techniques of sintering is integrated.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is that the present invention offers the partial schematic diagram of mounting groove on the horizontal plane of step;
Fig. 2 is one of axial partial sectional view of the present invention (toothed surfaces that demonstrates matrix surface workspace, diamond abrasive is not yet inlaid in mounting groove);
Fig. 3 is two (diamond abrasive is inlaid in mounting groove) of the axial partial sectional view of the present invention;
Fig. 4 is that the present invention fills the axial partial sectional view after carcass material;
Fig. 5 is the axial partial sectional view after the present invention repairs carcass material.
The specific embodiment
As shown in Fig. 1～5, it is a kind of improved diamond abrasive material tools of the present invention, comprise matrix and the diamond abrasive 2 that is arranged on the workspace of matrix surface, the workspace of matrix surface is toothed surfaces, and in the present embodiment, Fig. 2～5 are shown as two teeth 1, each tooth 1 forms by two planes, one of them face is perpendicular, and another plane is provided with several grades of steps 3, thereby forms step surface.Each step 3 forms by vertical plane and horizontal plane, step surface reduces step by step from operative orientation A, on the horizontal plane of each step, have at least one for holding the mounting groove 4 of diamond abrasive bottom, diamond abrasive 2 is fixed on and in mounting groove 4 and on step surface, is ordered arrangement by 5 solderings of soldering bonding agent, the most significant end of diamond abrasive 2 is its tip or seamed edge, the diamond abrasive that is positioned at the high-order bit of step surface is first devoted oneself to work, and after this diamond abrasive blunt, the diamond abrasive at all the other positions is devoted oneself to work step by step.The groove face of the vertical plane of step, horizontal plane and mounting groove supports diamond abrasive jointly, can make diamond abrasive in conjunction with fixation, extends the service life of instrument.
The groove inner face of mounting groove 4 and diamond abrasive 2 lower surface adapt, and the groove inner face of mounting groove 4 is comprised of a plurality of cone tanks, and the drift angle of cone tank is corresponding to the tip of diamond abrasive, and in the present embodiment, the open angle of mounting groove 4 is 120 °.The degree of depth of mounting groove 4 is 40% of diamond abrasive 2 particle diameters.Single shoulder height H1 is 80% of diamond abrasive particle diameter.Make diamond abrasive 2 can stand in mounting groove 4 and lean against on mounting groove 4 Nei one or both sides faces, having guaranteed that before soldering diamond abrasive can run-off the straight, having realized the object that the most significant end of diamond abrasive is its tip or seamed edge.Cone tank can be made and be obtained by the method to matrix chemical etching or electric spark or machining.
In trench 7 in toothed surfaces between adjacent teeth 1, be filled with carcass material 6, the most significant end that is positioned at the diamond abrasive of the high-order bit of step surface exposes carcass material, diamond abrasive in the high-order bit of step surface is first devoted oneself to work, along with the progressively progressively exposure and devoting oneself to work of diamond abrasive at worn Shi Gai position of the carcass material at all the other positions.
A preparation method for above-mentioned improved diamond abrasive material tools, comprises the following steps:
(1) in the workspace on diamond abrasive tool base surface, be processed into toothed surfaces, each tooth is formed by two planes, one of them plane is vertical plane, in another plane, process several grades of steps and form step surface, each step forms by vertical plane and horizontal plane, and this step surface reduces step by step from operative orientation A;
(2) on the horizontal plane of each step, process at least one for holding the mounting groove 4 of diamond abrasive bottom, the groove inner face of mounting groove 4 and diamond abrasive 2 lower surface adapt, the groove inner face that is mounting groove 4 is comprised of a plurality of cone tanks, the drift angle of cone tank is corresponding to the tip of diamond abrasive 2, the open angle of mounting groove is 120 °, and the degree of depth of mounting groove 4 is 40% of diamond abrasive 2 particle diameters.Single shoulder height H1 is 80% of diamond abrasive particle diameter, and cone tank can go out by Wire EDM and other processing method time processing;
(3) diamond abrasive being first placed in mounting groove and making the most significant end of diamond abrasive is its tip or seamed edge, then diamond abrasive soldering is realized to diamond abrasive in mounting groove is inlaid in mounting groove;
(4), after treating all diamond abrasives 2 setting-ins, diamond abrasive 2 is ordered arrangement on step surface.After completing, in the trench 7 between adjacent teeth 1, sintering is filled carcass material 6, and sintering process can adopt hot-pressing sintering technique, also sintering process in vacuum or gas shield stove again after available colding pressing.After filling, finishing carcass material 6 exposes carcass material 6 with the most significant end that obtains needed diamond abrasive tool shape and make to be positioned at the diamond abrasive 2 of the high-order bit of step surface.During finishing, can use the method finishing dressings such as emery wheel, finishing pen, electric spark, electrolysis.
Carcass material is sintering metal dust (as Fe powder, Cu powder, Sn powder etc.) or brazing alloy powder (as Ni-Cr alloy, Cu-Sn-Ti alloy, Ag-Cu-Ti alloy etc.); Or carcass material is the mixture that sintering metal dust and brazing alloy powder evenly mix according to mass ratio 50-70%:50-30%.In carcass material, can also comprise and strengthen the designed composition of certain performance, for example, interpolation W, WC, SiC, diadust improve wear-resisting hard material, and interpolation molybdenum sulfide, copper sulfide, graphite, hexagonal boron nitride are made the soft material of kollag, and interpolation ammonium hydrogencarbonate etc. is made pore-creating material.
Diamond abrasive instrument of the present invention can be solid drill, saw blade, emery wheel, beading, joint piece, cutter head, abrading block and other type diamonds abrasive material tools.
Embodiments of the present invention are not limited to this, according to foregoing of the present invention, utilize ordinary skill knowledge and the customary means of this area, are not departing under the above-mentioned basic fundamental thought of the present invention prerequisite, and the open angle of mounting groove of the present invention is 50～150 °; The degree of depth of mounting groove is 30%～50% of diamond abrasive particle diameter; The height of single step is 60%～90% of diamond abrasive particle diameter; The quantity of the quantity of step, number of teeth amount, mounting groove and diamond abrasive can be determined according to the actual conditions of making diamond abrasive instrument; ，Chi two sides can be all step surface in addition; Therefore, the present invention can also make modification, replacement or the change of other various ways, within all dropping on rights protection scope of the present invention.
Claims (10)
1. an improved diamond abrasive material tools, comprise matrix and the diamond abrasive that is arranged on matrix surface workspace, it is characterized in that: the workspace of described matrix surface is the step surface that is provided with several grades of steps, each step forms by vertical plane and horizontal plane, described step surface reduces step by step from operative orientation, on the horizontal plane of each step, have at least one for holding the mounting groove of diamond abrasive bottom, described diamond abrasive is inlaid in and in mounting groove and on step surface, is ordered arrangement, the most significant end of described diamond abrasive is its tip or seamed edge, the diamond abrasive that is positioned at the high-order bit of step surface is first devoted oneself to work, and after this diamond abrasive blunt, the diamond abrasive at all the other positions is devoted oneself to work step by step.
2. improved diamond abrasive material tools according to claim 1, is characterized in that: the workspace of described matrix surface is toothed surfaces, and each tooth forms by two planes, and one of them plane is provided with several grades of steps and forms described step surface.
3. improved diamond abrasive material tools according to claim 2, it is characterized in that: in the trench in toothed surfaces between adjacent teeth, be filled with carcass material, the most significant end that is positioned at the diamond abrasive of the high-order bit of step surface exposes carcass material, diamond abrasive in the high-order bit of step surface is first devoted oneself to work, along with the progressively progressively exposure and devoting oneself to work of diamond abrasive at worn Shi Gai position of the carcass material at all the other positions.
4. according to the improved diamond abrasive material tools described in claim 1～3 any one, it is characterized in that: groove inner face and the diamond abrasive lower surface of described mounting groove adapt, the groove inner face that is described mounting groove is comprised of a plurality of cone tanks, the drift angle of described cone tank is corresponding to the tip of diamond abrasive, and the open angle of described mounting groove is 50～150 °.
5. improved diamond abrasive material tools according to claim 4, is characterized in that: the degree of depth of described mounting groove is 30%～50% of diamond abrasive particle diameter.
6. improved diamond abrasive material tools according to claim 5, is characterized in that: the height of described single step is 60%～90% of diamond abrasive particle diameter.
7. a preparation method for improved diamond abrasive material tools claimed in claim 1, is characterized in that comprising the following steps:
(1) in the workspace of matrix surface, process several grades of steps and form step surface, each step forms by vertical plane and horizontal plane, and this step surface reduces step by step from operative orientation;
(2) on the horizontal plane of each step, process at least one for holding the mounting groove of diamond abrasive bottom;
(3) diamond abrasive is inlaid in mounting groove, the most significant end that simultaneously makes diamond abrasive is its tip or seamed edge;
(4), after treating all diamond abrasive setting-ins, diamond abrasive is ordered arrangement on step surface.
8. the preparation method of improved diamond abrasive material tools according to claim 7, it is characterized in that: described step (3) in, diamond abrasive is first placed in mounting groove and makes the most significant end of diamond abrasive is its tip or seamed edge, then diamond abrasive soldering is realized to diamond abrasive in mounting groove is inlaid in mounting groove.
9. according to the preparation method of the improved diamond abrasive material tools described in claim 7 or 8, it is characterized in that: toothed surfaces is processed into in the workspace of matrix surface, each tooth is formed by two planes, in one of them plane, process several grades of steps and form described step surface.
10. the preparation method of improved diamond abrasive material tools according to claim 9, it is characterized in that: complete described step (4) after, in trench between adjacent teeth, sintering is filled carcass material, after filling, finishing carcass material exposes carcass material with the most significant end that obtains needed diamond abrasive tool shape and make to be positioned at the diamond abrasive of the high-order bit of step surface.
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| CN201310426219.3A CN103506964A (en) | 2013-09-17 | 2013-09-17 | Modified diamond abrasive tool and manufacturing method thereof |
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| CN201310426219.3A CN103506964A (en) | 2013-09-17 | 2013-09-17 | Modified diamond abrasive tool and manufacturing method thereof |
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| CN105196196A (en) * | 2015-09-22 | 2015-12-30 | 郑州磨料磨具磨削研究所有限公司 | Electroplated diamond grinding wheel capable of orderly arranging abrasive materials |
| CN105922145A (en) * | 2016-04-25 | 2016-09-07 | 珠海大象磨料磨具有限公司 | Surface polishing diamond grinding disc and preparation method thereof |
| CN106607778A (en) * | 2016-12-21 | 2017-05-03 | 江苏索力德机电科技股份有限公司 | Manufacturing process for single-layer super-hard grinding material tool for achieving uniform distribution landform |
| CN106625294A (en) * | 2016-10-27 | 2017-05-10 | 南昌大学 | Superhard abrasive tool and manufacturing method thereof |
| CN107657661A (en) * | 2017-10-10 | 2018-02-02 | 湖南科技大学 | A kind of three-dimensional modeling method of parallel skive surface topography |
| CN106493652B (en) * | 2016-12-20 | 2018-06-08 | 江苏索力德机电科技股份有限公司 | A kind of preparation method of fine granularity Study on Brazed Superabrasive Tools |
| CN110370178A (en) * | 2019-07-31 | 2019-10-25 | 冼国强 | A kind of individual particle ordered arrangement electroplating diamond grinding block and preparation method thereof |
| CN111251200A (en) * | 2020-02-06 | 2020-06-09 | 成都飞机工业（集团）有限责任公司 | Metal composite bonding agent diamond grinding wheel based on molybdenum disulfide and open pores and preparation method thereof |
| CN114905634A (en) * | 2022-05-11 | 2022-08-16 | 泉州华大超硬工具科技有限公司 | High-performance diamond bead structure and preparation method thereof |
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| CN110370178A (en) * | 2019-07-31 | 2019-10-25 | 冼国强 | A kind of individual particle ordered arrangement electroplating diamond grinding block and preparation method thereof |
| CN111251200A (en) * | 2020-02-06 | 2020-06-09 | 成都飞机工业（集团）有限责任公司 | Metal composite bonding agent diamond grinding wheel based on molybdenum disulfide and open pores and preparation method thereof |
| CN114905634A (en) * | 2022-05-11 | 2022-08-16 | 泉州华大超硬工具科技有限公司 | High-performance diamond bead structure and preparation method thereof |
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Address after: 510450 No. 799 West Tang street, Baiyun District, Guangdong, Guangzhou Applicant after: Guangdong Electric Line Appliance Factory Address before: 510450 No. 799 West Tang street, Baiyun District, Guangdong, Guangzhou Applicant before: Guangdong Province power circuit equipment factory |
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Application publication date: 20140115 |