CN107932749B - Cutter for grinding wheel post-processing - Google Patents
Cutter for grinding wheel post-processing Download PDFInfo
- Publication number
- CN107932749B CN107932749B CN201711465591.XA CN201711465591A CN107932749B CN 107932749 B CN107932749 B CN 107932749B CN 201711465591 A CN201711465591 A CN 201711465591A CN 107932749 B CN107932749 B CN 107932749B
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- Prior art keywords
- bowl
- shaped
- grinding wheel
- outer diameter
- cutter
- Prior art date
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- 238000000227 grinding Methods 0.000 title claims abstract description 48
- 238000012805 post-processing Methods 0.000 title claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims abstract description 51
- 229910003460 diamond Inorganic materials 0.000 claims description 16
- 239000010432 diamond Substances 0.000 claims description 16
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 238000003754 machining Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000005219 brazing Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 229910000954 Medium-carbon steel Inorganic materials 0.000 description 1
- 238000002679 ablation Methods 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
- B28D1/16—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by turning
-
- 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
- B24D18/009—Tools not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D7/00—Accessories specially adapted for use with machines or devices of the preceding groups
Abstract
The invention discloses a cutter for grinding wheel post-processing, which comprises a bowl-shaped cutter holder with a conical inner cavity and a driving device for driving the bowl-shaped cutter holder to rotate, wherein the driving device is connected with one end of the bowl-shaped cutter holder with a small outer diameter, at least two U-shaped grooves are formed in the circumferential direction of one end of the bowl-shaped cutter holder with a large outer diameter, the opening direction of each U-shaped groove is the same as the opening direction of one end of the bowl-shaped cutter holder with a large outer diameter, and a cutting cutter is arranged in each U-shaped groove. The bowl-shaped cutter seat is characterized in that at least two cutting tools are arranged at one end, namely the cutter seat head, of the bowl-shaped cutter seat with the large outer diameter, the cutting tools cut on the surface of the grinding wheel, the appearance shape of the bowl-shaped cutter seat is more beneficial to being matched with the outer surface of the grinding wheel, the bowl-shaped cutter seat is matched with the cutting tools, the deformation probability of the bowl-shaped cutter seat is reduced, frequent replacement of the bowl-shaped cutter seat is avoided, and the production cost is reduced.
Description
Technical Field
The invention relates to the technical field of cutters, in particular to a cutter for post-processing of a grinding wheel.
Background
The grinding wheel must be machined after sintering (i.e. the grinding wheel is machined after sintering), and the main purpose of the grinding wheel is to enable the grinding wheel to have relatively precise geometric dimensions, necessary appearance shapes and flat surfaces, and to remove various surface hard coats and other adhesion impurities generated in the high-temperature sintering process; at present, the post-processing of the grinding wheel mainly uses a bowl-shaped cutter (cutter bowl) made of quenched steel to 'machine' the surface of the grinding wheel so as to achieve the purpose of shaping, but the post-processing mode of the grinding wheel is greatly different from a common lathe metal turning tool processing mechanism, and mainly has the following defects: 1. the bowl-shaped cutter made of steel is quenched, but the hardness of the cutter is still 2-3 times lower than that of the abrasive material forming the main part of the grinding wheel, and the cutter bowl is only processed by collision, extrusion and scraping between the cutter bowl and the grinding wheel abrasive particles, so that the cutter bowl is fast in abrasion, large in ablation and short in service life, and if the cutter bowl is used for processing the progressively increased ceramic bond superhard material grinding wheel, the cutter bowl is more difficult to be qualified; 2. the bowl-shaped cutter is generally manufactured by stamping and heat treatment of a medium carbon steel sheet, is extremely easy to deform in use, and directly influences the processing effect and the service life of the cutter bowl; 3. the bowl-shaped cutter made of steel is not sharp, the machining efficiency is low, and the unit machining cost is high; 4. the steel knife bowl is worn to about 50% of the original height, and then the steel knife bowl needs to be shut down for replacement, so that the material loss and the working hour loss are large.
Accordingly, the prior art is still in need of improvement and development.
Disclosure of Invention
The technical problem to be solved by the invention is to provide, in view of the above-mentioned drawbacks of the prior art
The utility model provides a cutter for grinding wheel post-processing, aims at solving among the prior art directly use the bowl type cutter of steel preparation to carry out the post-processing to the grinding wheel and lead to bowl type cutter easy loss, high in production cost's problem.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a cutter for grinding wheel post-processing, includes the bowl type blade holder that has the toper inner chamber, and is used for the drive bowl type blade holder pivoted drive arrangement, drive arrangement with the one end that bowl type blade holder external diameter is little is connected, wherein, the one end that bowl type blade holder external diameter is big is provided with two at least U type grooves along its circumferencial direction, the opening direction in U type groove with the opening direction of the one end that bowl type blade holder external diameter is big is the same, be provided with cutting tool in the U type groove.
The cutter for grinding wheel post-processing comprises a hard alloy substrate and a polycrystalline diamond layer arranged on the hard alloy substrate.
The cutter for grinding wheel post-processing, wherein the inner side surface and the outer side surface of the cutting cutter are arc-shaped surfaces, the outer diameter of the polycrystalline diamond layer, which deviates from one end of the hard alloy, is equal to the outer diameter of the large end of the outer diameter of the bowl-shaped cutter, and the inner diameter of the polycrystalline diamond layer, which deviates from one end of the hard alloy, is equal to the inner diameter of the large end of the outer diameter of the bowl-shaped cutter.
The cutter for grinding wheel post-processing is characterized in that the U-shaped groove penetrates through the bowl-shaped cutter seat along the radial direction of the bowl-shaped cutter seat.
The cutter for grinding wheel post-processing is characterized in that the depth of the U-shaped groove is 4mm, and the width of the U-shaped groove is 2mm.
The cutter for grinding wheel post-processing is characterized in that the height of the bowl-shaped cutter seat is smaller than 50mm, and the wall thickness of the bowl-shaped cutter seat is smaller than 10mm.
And the distance between every two adjacent U-shaped grooves is equal.
The cutter for grinding wheel post-processing is characterized in that the number of the U-shaped grooves is 6.
The cutter for grinding wheel post-processing is characterized in that the conical angle of the conical inner cavity is 100 degrees.
The beneficial effects are that: according to the invention, at least two cutting tools are arranged at one end of the bowl-shaped tool holder with the larger outer diameter, namely, the tool holder head, and the cutting tools are used for cutting on the surface of the grinding wheel, so that the appearance shape of the bowl-shaped tool holder is more beneficial to being matched with the outer surface of the grinding wheel, the bowl-shaped tool holder is matched with the cutting tools, the deformation probability of the bowl-shaped tool holder is reduced, frequent replacement of the bowl-shaped tool holder is avoided, and the production cost is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the tool for grinding wheel post-processing according to the present invention;
FIG. 2 is a schematic view of the bowl-shaped tool holder according to the present invention;
FIG. 3 is a cross-sectional view of the tool for grinding wheel post-machining according to the present invention;
fig. 4 is a schematic view of the structure of the cutting tool according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear and clear, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a tool for post-processing of grinding wheel according to the present invention; FIG. 2 is a schematic view of the bowl-shaped tool holder according to the present invention; FIG. 3 is a cross-sectional view of the tool for grinding wheel post-machining according to the present invention; fig. 4 is a schematic view of the structure of the cutting tool according to the present invention.
The invention provides a cutter for grinding wheel post-processing, which comprises a bowl-shaped cutter holder 1 with a conical inner cavity and a driving device for driving the bowl-shaped cutter holder 1 to rotate, wherein the driving device is connected with one end of the bowl-shaped cutter holder 1 with a small outer diameter, at least two U-shaped grooves 2 are formed in the circumferential direction of one end of the bowl-shaped cutter holder 1 with a large outer diameter, the opening direction of the U-shaped grooves 2 is the same as the opening direction of one end of the bowl-shaped cutter holder 1 with a large outer diameter, and a cutting cutter 3 is arranged in the U-shaped grooves 2.
The bowl-shaped tool apron 1 is characterized in that at least two cutting tools 3 are arranged at one end, namely the tool apron head, of the bowl-shaped tool apron 1 with the large outer diameter, the surface of a grinding wheel is cut through the cutting tools 3, the appearance shape of the bowl-shaped tool apron 1 is more beneficial to being matched with the outer surface of the grinding wheel, the bowl-shaped tool apron 1 is matched with the cutting tools 3, the deformation probability of the bowl-shaped tool apron 1 is reduced, frequent replacement of the bowl-shaped tool apron 1 is avoided, and the production cost is reduced. After the U-shaped groove 2 is cut on the bowl-shaped tool apron 1, the cutting tool 3 is inserted into the U-shaped groove 2, so that even if the bowl-shaped tool apron 1 is damaged, the undamaged cutting tool 3 can be taken down from the bowl-shaped tool apron 1 for repeated use, and the production efficiency is further improved.
The cutting tool 3 comprises a cemented carbide substrate 32 and a polycrystalline diamond layer 31 arranged on the cemented carbide substrate 32. The cutting working position of the cutter for grinding wheel post-processing is the polycrystalline diamond layer 31, the head of the polycrystalline diamond layer 31 (the end of the polycrystalline diamond layer 31 deviating from the hard alloy substrate 32) is in point contact with the grinding wheel for high-speed cutting, the processing efficiency is high, and the service life of the cutter is far longer than that of a cutter bowl in the prior art because the polycrystalline diamond layer 31 has very high hardness and wear resistance.
The cutting tool 3 is welded in the U-shaped groove 2 by laser welding, vacuum diffusion welding, vacuum brazing or high-frequency induction brazing.
The U-shaped groove 2 penetrates through the bowl-shaped cutter seat 1 along the radial direction of the bowl-shaped cutter seat 1; further, when the bowl-shaped tool apron 1 is placed on a horizontal plane, and one end with a small outer diameter faces downwards, the longitudinal section of the bowl-shaped tool apron 1 is trapezoid, the distance between the outer wall of the upper end face of the bowl-shaped tool apron 1 and the horizontal plane is smaller than the distance between the inner wall of the upper end face of the bowl-shaped tool apron 1 and the horizontal plane, namely, the end face of the side wall of one end with a large outer diameter of the bowl-shaped tool apron 1 is inclined, the inner side is high, the outer side is low, the cutting tool 3 is enabled to be used on the inner side and the outer side of the cutting tool 3 after being installed in the U-shaped groove 2, the cutting tool 3 can effectively play a cutting machining role in two opposite running directions, and the utilization efficiency of the cutting tool 3 is improved.
The inner side and the outer side of the cutting tool 3 are arc-shaped surfaces, the outer diameter of one end of the polycrystalline diamond layer 31 deviating from the hard alloy substrate 32 is equal to the outer diameter of the large end of the outer diameter of the bowl-shaped tool, the inner diameter of one end of the polycrystalline diamond deviating from the hard alloy substrate 32 is equal to the inner diameter of the large end of the outer diameter of the bowl-shaped tool, so that after the cutting tool 3 is installed in the U-shaped groove 2, the outer side of the cutting tool 3 can be matched with the outer side of the bowl-shaped tool holder 1, the inner side of the cutting tool 3 can be matched with the inner side of the bowl-shaped tool holder 1, and after the cutting tool 3 is installed in the U-shaped groove 2, the cutting tool 3 can be matched with the outer shape of the large end of the outer diameter of the bowl-shaped tool holder 1.
The bowl-shaped tool apron 1 is made of low carbon steel, and the cutting tool is formed by electric machining under the conditions of the temperature of 1300-1600 ℃ and the pressure of 5-8 GPa.
Further, a circular through hole 4 is formed in the bottom of the bowl-shaped tool apron 1, and the circular through hole 4 is used for being matched with the driving device. The vertical section of bowl type blade holder 1 is trapezoidal, the small one end of bowl type blade holder 1 external diameter is the upper end, and the big one end of its external diameter is the lower end, and the upper end is down, and the lower end is up, just the diameter of circular through-hole 4 equals the length of upper end, promptly when drive arrangement with the cooperation of bowl type blade holder 1 is installed, drive arrangement with the distance between the inclined part in the medial surface of bowl type blade holder 1 can be as little as possible, under the prerequisite of not reducing the overall height of bowl type blade holder 1, increase drive arrangement with area of contact between the bowl type blade holder 1 makes when drive arrangement starts with the rotation of bowl type cutter, drive arrangement rotates less angle, bowl type cutter can produce the rotation of great angle.
The distance between every two adjacent U-shaped grooves 2 is equal, preferably, the number of the cutting tools 3 is 6, the number of the U-shaped grooves 2 is 6, and the central angle of the circular arc where the geometric centers of the two adjacent U-shaped grooves 2 are located is 60 degrees. The geometric centers of all the U-shaped grooves 2 are equal to the distance between the circle centers of the ends of the bowl-shaped tool apron 1 with the larger outer diameter. The bottom of the U-shaped groove 2 is high and low from outside to inside, and the inclination is equal to the inclination of the end face of the side wall of one end with the large outer diameter of the bowl-shaped tool apron 1, so that after the cutting tool 3 is welded into the U-shaped groove 2, the end face of the polycrystalline diamond layer 31, which is away from one end of the hard alloy substrate 32, is also inclined, so that the polycrystalline diamond layer is matched with the appearance shape of the bowl-shaped tool apron 1, and the cutting tool 3 is clamped through the U-shaped groove 2, and the assembly firmness of the cutting tool 3 is ensured in the cutting process.
The geometric dimensions of the U-shaped groove can be slightly different according to different welding modes, preferably, the depth of the U-shaped groove 2 is 3mm, the length of the U-shaped groove 2 is 4mm, and the width of the U-shaped groove 2 is 2mm. The length of the cutting tool 3 is 4mm, the thickness of the cutting tool 3 is 2mm, the height of the polycrystalline diamond layer 31 is 1mm, and the height of the cutting tool 3 is 4mm, so that after the cutting tool 3 is welded into the U-shaped groove 2, the top surface of the cutting tool 3 can exceed the top surface of the bowl-shaped tool holder 1, and cutting machining is facilitated.
The height H of the bowl-shaped tool apron 1 (the distance between the inner wall end face of the end with the large outer diameter of the bowl-shaped tool apron 1 and the outer wall end face of the end with the small outer diameter of the bowl-shaped tool apron 1) is smaller than 50mm, and the wall thickness t of the bowl-shaped tool apron 1 is smaller than 10mm. Further, the height H of the bowl-shaped tool holder 1 is 30mm, the wall thickness t of the bowl-shaped tool holder 1 is equal to 2mm, the maximum outer diameter D of the bowl-shaped tool holder 1 is 90mm, and the diameter D of the circular through hole 4 is 20mm.
The cone angle alpha of the conical inner cavity is 100 degrees.
In summary, the invention provides a cutter for post-processing of grinding wheels, which comprises a bowl-shaped cutter holder with a conical inner cavity and a driving device for driving the bowl-shaped cutter holder to rotate, wherein the driving device is connected with one end with a small outer diameter of the bowl-shaped cutter holder, at least two U-shaped grooves are formed in one end with a large outer diameter of the bowl-shaped cutter holder along the circumferential direction of the end, the opening direction of each U-shaped groove is the same as the opening direction of one end with the large outer diameter of the bowl-shaped cutter holder, and a cutting cutter is arranged in each U-shaped groove. The bowl-shaped cutter seat is characterized in that at least two cutting tools are arranged at one end, namely the cutter seat head, of the bowl-shaped cutter seat with the large outer diameter, the cutting tools cut on the surface of the grinding wheel, the appearance shape of the bowl-shaped cutter seat is more beneficial to being matched with the outer surface of the grinding wheel, the bowl-shaped cutter seat is matched with the cutting tools, the deformation probability of the bowl-shaped cutter seat is reduced, frequent replacement of the bowl-shaped cutter seat is avoided, and the production cost is reduced.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.
Claims (8)
1. The cutter for grinding wheel post-processing comprises a bowl-shaped cutter seat with a conical inner cavity and a driving device for driving the bowl-shaped cutter seat to rotate, wherein the driving device is connected with one end with a small outer diameter of the bowl-shaped cutter seat; the U-shaped groove penetrates through the bowl-shaped tool apron along the radial direction of the bowl-shaped tool apron; the end face of the side wall of one end of the bowl-shaped cutter seat with the large outer diameter is inclined, and the inner part is high and the outer part is low; the bottom of the U-shaped groove is high and low from inside to outside, and the inclination degree is equal to the inclination degree of the end face of the side wall of one end with the large outer diameter of the bowl-shaped cutter seat.
2. The grinding wheel post-processing tool according to claim 1, wherein the cutting tool comprises a cemented carbide substrate and a polycrystalline diamond layer disposed on the cemented carbide substrate.
3. The tool for grinding wheel post-processing according to claim 2, wherein the inner side surface and the outer side surface of the cutting tool are arc-shaped surfaces, the outer diameter of the polycrystalline diamond layer at the end facing away from the hard alloy is equal to the outer diameter of the large end of the outer diameter of the bowl-shaped tool holder, and the inner diameter of the polycrystalline diamond layer at the end facing away from the hard alloy is equal to the inner diameter of the large end of the outer diameter of the bowl-shaped tool holder.
4. The grinding wheel post-processing tool according to claim 1, wherein the depth of the U-shaped groove is 4mm, and the width of the U-shaped groove is 2mm.
5. The grinding wheel post-processing tool according to claim 1, wherein the height of the bowl-shaped tool holder is less than 50mm and the wall thickness of the bowl-shaped tool holder is less than 10mm.
6. The grinding wheel post-processing tool according to claim 1, wherein the distance between each adjacent two of the U-shaped grooves is equal.
7. The grinding wheel post-processing tool according to claim 1, wherein the number of the U-shaped grooves is 6.
8. The grinding wheel post-processing tool according to claim 1, wherein the taper angle of the tapered inner cavity is 100 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465591.XA CN107932749B (en) | 2017-12-28 | 2017-12-28 | Cutter for grinding wheel post-processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711465591.XA CN107932749B (en) | 2017-12-28 | 2017-12-28 | Cutter for grinding wheel post-processing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107932749A CN107932749A (en) | 2018-04-20 |
| CN107932749B true CN107932749B (en) | 2024-01-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711465591.XA Active CN107932749B (en) | 2017-12-28 | 2017-12-28 | Cutter for grinding wheel post-processing |
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| Country | Link |
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| CN (1) | CN107932749B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801683B (en) * | 2018-07-13 | 2021-07-06 | 华东理工大学 | Miniature metal sample cutting tool that takes a sample |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11156729A (en) * | 1997-11-21 | 1999-06-15 | Yano Kazuya | Grinding wheel possible to exchange tips |
| US7186172B1 (en) * | 2006-05-15 | 2007-03-06 | Nao Enterprise, Inc. | Spring force adapter for round blade for a grinder |
| CN201346748Y (en) * | 2008-12-18 | 2009-11-18 | 北京南口轨道交通机械有限责任公司 | Cutter for turning grinding wheels |
| CN202010951U (en) * | 2011-03-09 | 2011-10-19 | 上海中羽工业钻石有限公司 | External grinding layer bowl-type grinding wheel |
| CN202291454U (en) * | 2011-11-14 | 2012-07-04 | 郑州市钻石精密制造有限公司 | Groove positioning type welding polycrystalline diamond milling blade |
| CN202701421U (en) * | 2012-08-01 | 2013-01-30 | 山东电力建设第二工程公司 | Steel pipe weld groove forming cutter |
| CN203019540U (en) * | 2012-12-05 | 2013-06-26 | 福建惠安宝力雄工贸有限公司 | Novel dry bowl grinding sheet |
| CN203156959U (en) * | 2013-04-12 | 2013-08-28 | 山东电力建设第二工程公司 | Plane grinding and cutting wheel |
| CN203831259U (en) * | 2014-05-24 | 2014-09-17 | 郑州赛诺金刚石工具有限公司 | Novel PCD grinding wheel |
| CN207757880U (en) * | 2017-12-28 | 2018-08-24 | 深圳市海明润超硬材料股份有限公司 | A kind of grinding wheel post-processing cutter |
-
2017
- 2017-12-28 CN CN201711465591.XA patent/CN107932749B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11156729A (en) * | 1997-11-21 | 1999-06-15 | Yano Kazuya | Grinding wheel possible to exchange tips |
| US7186172B1 (en) * | 2006-05-15 | 2007-03-06 | Nao Enterprise, Inc. | Spring force adapter for round blade for a grinder |
| CN201346748Y (en) * | 2008-12-18 | 2009-11-18 | 北京南口轨道交通机械有限责任公司 | Cutter for turning grinding wheels |
| CN202010951U (en) * | 2011-03-09 | 2011-10-19 | 上海中羽工业钻石有限公司 | External grinding layer bowl-type grinding wheel |
| CN202291454U (en) * | 2011-11-14 | 2012-07-04 | 郑州市钻石精密制造有限公司 | Groove positioning type welding polycrystalline diamond milling blade |
| CN202701421U (en) * | 2012-08-01 | 2013-01-30 | 山东电力建设第二工程公司 | Steel pipe weld groove forming cutter |
| CN203019540U (en) * | 2012-12-05 | 2013-06-26 | 福建惠安宝力雄工贸有限公司 | Novel dry bowl grinding sheet |
| CN203156959U (en) * | 2013-04-12 | 2013-08-28 | 山东电力建设第二工程公司 | Plane grinding and cutting wheel |
| CN203831259U (en) * | 2014-05-24 | 2014-09-17 | 郑州赛诺金刚石工具有限公司 | Novel PCD grinding wheel |
| CN207757880U (en) * | 2017-12-28 | 2018-08-24 | 深圳市海明润超硬材料股份有限公司 | A kind of grinding wheel post-processing cutter |
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| Publication number | Publication date |
|---|---|
| CN107932749A (en) | 2018-04-20 |
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