CN1597258A - Antigrinding cutting grinding sheet and its manufacturing method - Google Patents
Antigrinding cutting grinding sheet and its manufacturing method Download PDFInfo
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- CN1597258A CN1597258A CN 200410041956 CN200410041956A CN1597258A CN 1597258 A CN1597258 A CN 1597258A CN 200410041956 CN200410041956 CN 200410041956 CN 200410041956 A CN200410041956 A CN 200410041956A CN 1597258 A CN1597258 A CN 1597258A
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- abrasive grains
- grinding
- cutting
- abrasive
- basal layer
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Abstract
An anti-abrasive cutting abrasive disk is composed of solidified layer, abrasive particles in said solidified layer and antiabrasive particles in the gaps between two abrasive particles. Its preparing process includes such steps as arranging abrasive particles on substrate, forming a basic layer, filling anti-abrasive particles in the gaps between two abrasive particles, forming a solidifying layer, and removing substrate.
Description
One, technical field
The present invention relates to a kind of cutting and grinding sheet and manufacture method thereof, more specifically, the present invention relates to a kind of anti-grinding and cutting abrasive sheet and manufacture method thereof with smooth contour abradant surface.
Two, background technology
Along with modern industry develops towards high-precision, precision die or assembly are added man-hour, desired cutting and grinding sheet and grinding precision thereof also increase day by day.
The abrasive grains of existing cutting and grinding sheet is to utilize coating to be cemented on the metallic substrates.Though abrasive grains is screened before use, but still there is difference in size.Electroplating when fixed, this difference in size will cause the position of abrasive grains and flatness inconsistent, and then cause abrasive grains to produce uneven distribution on coating.This uneven distribution will reduce grainding capacity and effect.
In addition,, in electroplating process, can produce bridging effect, make that the coating around the abrasive grains forms a recessed surface, thereby reduce the consolidation strength between abrasive grains and coating because of the geometry of abrasive grains because of abrasive grains is cemented on the metallic substrates by plating.Have suitable consolidation strength between abrasive grains and coating for making, the required thickness of coating is about the percentage 70 of abrasive grains, so only surplus about 30 percent part of abrasive grains can be used, this will reduce the spendable part of abrasive grains.
Therefore, need a kind of improved abrasive sheet structure, it is smooth contour and be distributed on the substrate equably to make that abrasive grains is able to, and can reduce fixed required thickness of coating, has better consolidation strength between abrasive grains and substrate simultaneously.
Three, summary of the invention
One of purpose of the present invention provides a kind of anti-grinding and cutting abrasive sheet and manufacture method thereof, can promote the consolidation strength of abrasive grains, improves the abrasion strength of bonding course, reduces the thickness of bonding course, and promotes the service life of milling tool.
Two of purpose of the present invention provides a kind of anti-grinding and cutting abrasive sheet and manufacture method thereof, makes abrasive grains be able to even distribution, and has smooth contour abradant surface, to promote the accurate and effectiveness of grinding.
Three of purpose of the present invention provides a kind of anti-grinding and cutting abrasive sheet and manufacture method thereof, makes the seamed edge of each abrasive grains or corner angle outwardly, to improve the grinding and cutting effect.
Anti-grinding and cutting abrasive sheet of the present invention is characterized in that it comprises: bonding course; Abrasive grains, this abrasive grains are consolidated in this bonding course; Anti-abrasive grains, this anti-abrasive grains is filled out in the slit between abrasive grains by fixed bed, and the abradant surface that each abrasive grains forms is horizontal contour plane.
Wherein: described abradant surface exceeds 10 microns of the contour planes of anti-abrasive grains at least.For improving the cutting and grinding effect, the seamed edge of abrasive grains or corner angle are outwardly.
Distance between the abrasive grains should rationally distribute, and except that random arrangement, its distance should be controlled to be 0.1-30 times of abrasive grains size.
For improving anti-grinding effect, the plane that preferably makes anti-abrasive grains outwardly.
When bonding course is carried out heat treated, an interface protective layer is arranged on the surface of bonding course.
The manufacture method of anti-grinding and cutting abrasive sheet of the present invention is characterized in that this manufacture method may further comprise the steps:
(1) on base material, places abrasive grains;
(2) on base material, form a basal layer, in order to abrasive grains is cemented on the base material;
(3) will resist abrasive grains to fill out in the slit between abrasive grains, and fix by fixed bed;
(4) form a bonding course on basal layer, this bonding course covers abrasive grains wholly or in part.
(5) remove base material.
For improving the fixing stability of abrasive grains, the formation that described basal layer can be such: the material that generates with the high low bubble of cathode efficiency forms the bottom basal layer earlier, forms the top basal layer then.The material that described cathode efficiency is high be in tin, copper, nickel, terne metal or the nickeltin one of.
Described basal layer can cover abrasive grains fully; Before forming bonding course, remove the top section of this basal layer then earlier, so that abrasive grains exposes.
Described bonding course covers fully or part covers abrasive grains.When part covered abrasive grains, after removing base material and basal layer, the abrasive grains on both sides all exposed, thereby becomes the cutting and grinding sheet with two-sided cutting and grinding function.
For the seamed edge that makes abrasive grains or corner angle outwardly, to improve the cutting and grinding effect, carry out surface coarsening earlier at substrate surface and handle, form convex-concave surface, the seamed edge or the corner angle of abrasive grains are fastened in the pit, and then it is fixed with it further to form basal layer.Or covering the liner particle on the base material upper berth, the seamed edge of abrasive grains or corner angle are fastened in the intergranular slit of liner.
The present invention compared with prior art, its remarkable advantage is: 1, cutting and grinding sheet constructed in accordance, because the lapped face that abrasive grains forms is smooth contour surface, and the bonding course around the abrasive grains will form a protrusion surface, thereby increase consolidation strength.2, the increase of anti-abrasive grains has prevented that bonding course is worn and corrodes, and improves the service life of milling tool.3, because the seamed edge of abrasive grains or corner angle design, have therefore improved the effect of cutting and grinding outwardly.4, because the effect of anti-grinding, has therefore been improved outwardly in the plane of anti-abrasive grains.
Four, description of drawings
Fig. 1 is the flow chart of anti-grinding and cutting abrasive sheet manufacture method.
Fig. 2 a, Fig. 2 b form the schematic cross-section of a basal layer with fixed abrasive grains on base material.
Fig. 3 is a schematic cross-section of inserting anti-abrasive grains between the abrasive grains slit.
Fig. 4 forms the schematic cross-section of a fixed bed with fixing anti-abrasive grains on basal layer.
Fig. 5 a and Fig. 5 b are the schematic cross-sections that forms a bonding course on fixed bed.
Fig. 6 is the schematic cross-section that removes behind base material, basal layer and the fixed bed.
Fig. 7 is the schematic cross-section that forms a protective layer on abrasive grains, anti-abrasive grains and bonding course.
Fig. 8 is the schematic cross-section of cutting and grinding sheet.
Fig. 9 carries out surface coarsening to base material 20 surfaces to handle the convex-concave surface schematic cross-section that the back forms.
Figure 10 is the schematic cross-section that covers the liner particle on the base material upper berth.
Five, the specific embodiment
Further provide detailed structure of the present invention and manufacture process by following description.
As shown in Figure 1, cutting and grinding piece making method of the present invention is: at first, abrasive grains is positioned on the base material (step 202), and forms a basal layer, abrasive grains is consolidated in (step 204) on the base material.Then, will resist abrasive grains to insert slit (step 206) between abrasive grains, and form a fixed bed, be consolidated in slit (step 208) will resist abrasive grains.Subsequently, on fixed bed, form a bonding course (step 210).At last, remove base material (step 212) respectively, basal layer (step 214) and fixed bed (step 216), so that abrasive grains exposes, the exposed parts of each abrasive grains should be 5-95%, and the exposed parts of each anti-abrasive grains should be 0-95%, and abradant surface exceeds 10 microns of the contour planes of anti-abrasive grains at least.When inserting anti-abrasive grains, should make its plane outwardly, to improve anti-effect of grinding as far as possible.Except that random arrangement, the distance between each abrasive grains should be controlled in the 0.1-30 times of scope of abrasive grains size.
With reference to Fig. 2 a and Fig. 2 b, form a basal layer 24 in order to explanation, abrasive grains 22 is consolidated in the step on the base material 20.Abrasive grains 22 is made by the material with grainding capacity, for example materials such as diamond, boron nitride and aluminium oxide.The material of basal layer 24 can be macromolecular material, metal, and metallic compound or carbide for example can be iron, chromium, nickel, copper, zinc, tin etc. or its alloy, and by coating technology, for example electroplate, and form with mode such as chemical plating.
When using plating mode to form basal layer 24, abrasive grains 22 can place electroplate liquid, and direct plating is on base material 20, to simplify manufacturing step.In addition, when using that for example zinc, iron or chromium are electroplated as the material of basal layer 24, be easy to generate bubble, and then cause abrasive grains 22 displacements, and lower the consolidation strength of 22 of basal layer 24 and abrasive grains, even can't be fixed.The material that can use this moment low bubble to generate, for example tin, copper, nickel, terne metal or nickeltin etc. form a bottom basal layer 24a earlier, form top basal layer 24b with other material more subsequently.
With reference to Fig. 3 and Fig. 4, insert anti-abrasive grains 26 in order to the slit that is illustrated in 22 of abrasive grains, and form a fixed bed 28, be fixed in the slit in order to will resist abrasive grains 26.Anti-abrasive grains 26 is made of the material of antiacid alkali with grinding, for example can be diamond, pottery, macromolecular material, tungsten carbide, boron nitride etc.The material of fixed bed 28 for example can be iron, chromium, nickel, copper, zinc, tin etc. or its alloy, can be formed by technology such as plating and chemical platings.Fixed bed 28 also can be formed by sintering or welding manner.
With reference to Fig. 5 a and Fig. 5 b, in order to be illustrated in the step that forms a bonding course 30 on the fixed bed 28.Bonding course 30 is to be formed on the fixed bed 28 by plating, sintering or solder technology.Bonding course 30 can cover abrasive grains 22 wholly or in part.Fig. 5 a is the situation that bonding course 30 covers abrasive grains 22 fully.In addition, as shown in Figure 6, also can only partly cover abrasive grains 22, part abrasive grains 22 is exposed, then after removing base material 20 and basal layer 24 after a while, just can form the two-sided cutting and grinding sheet that exposes abrasive grains 22 that all has.
Fig. 6 is with base material 20, the step that basal layer 24 and fixed bed 28 remove.Base material 20, basal layer 24 is to remove by erosion, heating or lapping mode with fixed bed 28.Bonding course 30 will become the bottom of cutting and grinding sheet this moment, by this mode, can obtain the abrasive sheet of the smooth contour abradant surface of tool.
Perhaps, before removing base material 20 steps, can further pass through heat treated, make bonding course 30 and abrasive grains 22 and 26 reactions of anti-abrasive grains, form chemical bonded refractory.The corresponding element of its chemical bonded refractory is 2-98%.Can promote the consolidation strength of 30 of abrasive grains 22, anti-abrasive grains 26 and bonding courses thus.At this moment, bonding course 30 is by constituting with the material that abrasive grains 22 and anti-abrasive grains 26 form chemical bonded refractory.
When abrasive grains 22 was made of diamond, bonding course 30 can be made of the metal and the alloy thereof of chromium, cobalt, tungsten, titanium, zinc, iron, manganese etc.When abrasive grains 22 was made of boron nitride or aluminium oxide, bonding course 30 can be made of elements such as aluminium, boron, carbon, silicon or its compound.
In addition, when carrying out heat treated for bonding course 30, the interface of bonding course 30 and basal layer 24 can form one deck approximately to the boundary layer of minority micron, and this boundary layer is that the metal ion because of the metal ion of bonding course 30 and basal layer 24 forms because of heating alloying.In addition, before the step that forms bonding course 30, can on abrasive grains 22 and anti-abrasive grains 26, carry out surface coarsening and handle, with the consolidation strength between the bonding course that increases abrasive grains 22, anti-abrasive grains 26 and form subsequently.Surface coarsening is handled and for example be can be surface oxidation, surface erosion and surface grinding etc.
After removing base material 20, basal layer 24 and fixed bed 28, on the bonding course 30 that exposes, anti-abrasive grains 26 and abrasive grains 22, can further form a protective layer 32.Fig. 7 is the step that forms protective layer 32.The material of protective layer 32 for example can be metal, metallic compound, macromolecular material and class diamond film etc., can plated by gas phase, spraying or similar technique form.
Fig. 8 is the cutting and grinding sheet according to the present invention, and it comprises a bonding course 30, abrasive grains 22, anti-abrasive grains 26 and a protective layer 32.Abrasive grains 22 is on the bonding course 30 that is consolidated in as the abrasive sheet bottom.Anti-abrasive grains 26 is inserted in slit between the abrasive grains 22.By the lapped face 42 that abrasive grains 22 forms, be a smooth contour surface in fact, grind precisely and effectiveness and be increased.And the bonding course 30 around the abrasive grains 22 will form a protrusion surface, to increase consolidation strength.Protective layer 32 covers abrasive grains 22, and anti-abrasive grains 26 and bonding course 30 are corroded by the Acidity of Aikalinity material in order to prevent bonding course.
By handling for substrate surface, can control the configuration of abrasive grains, make the seamed edge of abrasive grains or corner angle especially outwardly.For example, as shown in Figure 9, can the sandblast mode, carry out surface coarsening for base material 20 surfaces and handle, to obtain an irregular convex-concave surface.Thus, the most advanced and sophisticated blocking that can make abrasive grains 22 thereon, it is fixed with it further to form basal layer 24 subsequently again.In addition, also can cover liner particle mode, the configuration of control abrasive grains by the shop.As shown in figure 10, before the step that abrasive grains 22 is positioned on the base material 20, can cover liner particle 23 on base material 20 upper berths.The tip of abrasive grains 22 can be equipped in the slit of 23 of liner particles thus, when removing liner particle 23 subsequently, just can obtain the abrasive sheet that expose at abrasive grains 22 tips, further promotes the sharpness and the abrasiveness of abrasive sheet.The material of liner particle can be diamond, boron nitride, pottery or aluminium oxide etc.
Can strengthen anti-effect of grinding with the plane of anti-abrasive grains outwardly.
Though the present invention discloses as above with a preferred embodiment, it is not in order to limit protection scope of the present invention.
Claims (10)
1, a kind of anti-grinding and cutting abrasive sheet is characterized in that it comprises: bonding course; Abrasive grains, this abrasive grains are consolidated in this bonding course; Anti-abrasive grains, this anti-abrasive grains is filled out in the slit between abrasive grains by fixed bed, and the abradant surface that each abrasive grains forms is horizontal contour plane.
2, anti-grinding and cutting abrasive sheet according to claim 1 is characterized in that abradant surface exceeds 10 microns of the contour planes of anti-abrasive grains at least.
3, anti-grinding and cutting abrasive sheet according to claim 1 is characterized in that the seamed edge of abrasive grains or corner angle outwardly.
4, anti-grinding and cutting abrasive sheet according to claim 1, the plane that it is characterized in that anti-abrasive grains outwardly.
5, anti-grinding and cutting abrasive sheet according to claim 1 is characterized in that on the surface of bonding course one boundary layer being arranged.
6, the manufacture method of anti-grinding and cutting abrasive sheet as claimed in claim 1 is characterized in that this manufacture method may further comprise the steps:
(1) on base material, places abrasive grains;
(2) on base material, form a basal layer, in order to abrasive grains is cemented on the base material;
(3) will resist abrasive grains to fill out in the slit between abrasive grains, and fix by fixed bed;
(4) form a bonding course on basal layer, this bonding course covers abrasive grains wholly or in part.
(5) remove base material.
7, the manufacture method of anti-grinding and cutting abrasive sheet according to claim 6 is characterized in that the formation step of basal layer is: the material that generates with the high low bubble of cathode efficiency forms the bottom basal layer earlier, forms the top basal layer then.
8, the manufacture method of cutting and grinding sheet according to claim 7, it is characterized in that the high material of cathode efficiency be in tin, copper, nickel, terne metal or the nickeltin one of.
9, the manufacture method of cutting and grinding sheet according to claim 6 is characterized in that carrying out surface coarsening earlier at substrate surface handles, and forms convex-concave surface, and the seamed edge or the corner angle of abrasive grains are fastened in the pit, and then it is fixed with it further to form basal layer.
10, the manufacture method of cutting and grinding sheet according to claim 6 is characterized in that covering the liner particle on the base material upper berth, and the seamed edge of abrasive grains or corner angle are fastened in the intergranular slit of liner.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410041956 CN1597258A (en) | 2004-09-14 | 2004-09-14 | Antigrinding cutting grinding sheet and its manufacturing method |
| JP2005263247A JP2006095680A (en) | 2004-09-14 | 2005-09-12 | Split grinding sheet and its manufacturing method |
| KR1020050085264A KR20060051255A (en) | 2004-09-14 | 2005-09-13 | Abrasion sheet and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410041956 CN1597258A (en) | 2004-09-14 | 2004-09-14 | Antigrinding cutting grinding sheet and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1597258A true CN1597258A (en) | 2005-03-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410041956 Pending CN1597258A (en) | 2004-09-14 | 2004-09-14 | Antigrinding cutting grinding sheet and its manufacturing method |
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| Country | Link |
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| CN (1) | CN1597258A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890679B (en) * | 2009-01-26 | 2015-07-08 | 宋健民 | Superabrasive tool and correlated method thereof |
-
2004
- 2004-09-14 CN CN 200410041956 patent/CN1597258A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101890679B (en) * | 2009-01-26 | 2015-07-08 | 宋健民 | Superabrasive tool and correlated method thereof |
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