CN105014557A - Light and efficient diamond grinding wheel - Google Patents
Light and efficient diamond grinding wheel Download PDFInfo
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- CN105014557A CN105014557A CN201510270505.4A CN201510270505A CN105014557A CN 105014557 A CN105014557 A CN 105014557A CN 201510270505 A CN201510270505 A CN 201510270505A CN 105014557 A CN105014557 A CN 105014557A
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- 239000010432 diamond Substances 0.000 title claims abstract description 45
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 45
- 238000000227 grinding Methods 0.000 title claims abstract description 31
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 25
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000000034 method Methods 0.000 claims abstract description 19
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 13
- 239000000956 alloy Substances 0.000 claims abstract description 13
- 239000000843 powder Substances 0.000 claims description 44
- 229910016347 CuSn Inorganic materials 0.000 claims description 18
- 229910000838 Al alloy Inorganic materials 0.000 claims description 14
- 238000005245 sintering Methods 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 10
- 238000000137 annealing Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 4
- 238000005551 mechanical alloying Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 claims description 2
- 229910001573 adamantine Inorganic materials 0.000 claims description 2
- 239000000758 substrate Substances 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004575 stone Substances 0.000 abstract description 4
- 229910000679 solder Inorganic materials 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 3
- 229910001651 emery Inorganic materials 0.000 description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 239000010439 graphite Substances 0.000 description 11
- 229910002804 graphite Inorganic materials 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000011812 mixed powder Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 238000003556 assay Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 229910000553 6063 aluminium alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention relates to a light and efficient diamond grinding wheel, and belongs to the technical field of diamond cutting tools. The light and efficient diamond grinding wheel comprises an aluminum substrate and diamond tool bits. Outwards-extending protruding parts are arranged on the bottom edges of the diamond tool bits. The aluminum substrate comprises a grinding installation face. The diamond tool bits are arranged on the grinding installation face. The extending protruding parts are embedded in the grinding installation face. The light and efficient diamond grinding wheel is formed by high-strength alloy aluminum at a time, the bottoms of the diamond tool bits are embedded in the alloy aluminum, it is ensured that the tool bits do not fall in the use process, and therefore many subsequent procedures are reduced, silver solder is saved, the manufacturing cost is effectively reduced, the service life of the diamond grinding wheel is ensured as well, and the light and efficient diamond grinding wheel is particularly suitable for stone processing and concrete road face grinding.
Description
Technical field
The present invention relates to the technical field of diamond cutting tool, more particularly, the present invention relates to a kind of efficient and light weight diamond-impregnated wheel.
Background technology
Diamond is the material that in known materials, hardness is the highest, and thus diamond cutting tool becomes the indispensable material of the various stiff materials of processing.Diamond cutting tool is mixed mutually with synthetic diamond particles by metal dust, and repressed and sintering forms.And along with social development, basisization construction scale constantly expands, and also provides more wide application market to diamond tool.And along with the quickening of urbanization process, capital construction scale constantly expands, house and road development & construction provide broad mass market to diamond tool application.Diamond tool cuts at road, processing of stone, pottery, and polysilicon semiconductor is processed, and gem processing market has played most important effect, operates light, high efficiency, and cost performance is good, is that each user pursues a goal always.
But traditional product diamond-impregnated wheel mainly adopts ferrous material to be abrasive wheel substrate, and diamond segment is welded on matrix surface, because irony emery wheel self is heavy, Energy in use is large, and operation easier is high.In addition, the welding material cost of iron-based emery wheel is high, and follow-up weldering spot is difficult to process, causes cost significantly to increase.
Summary of the invention
Heavy in order to solve diamond-impregnated wheel self in current market, use time consumption and energy consumption, cost of manufacture is high, the many problems of manufacturing procedure, the object of the present invention is to provide a kind of efficient and light weight diamond-impregnated wheel.
In order to realize foregoing invention object of the present invention, the invention provides following technical scheme:
A kind of efficient and light weight diamond-impregnated wheel, it is characterized in that: comprise aluminum or aluminum alloy matrix and diamond segment, the bottom margin of described diamond segment has outside extension protuberance; And described aluminum or aluminum alloy matrix comprises grinding installed surface, described diamond segment is arranged on described grinding installed surface, and described extension protuberance is embedded in described grinding installed surface inside.
Wherein, described grinding installed surface is annular installed surface, and described diamond segment is evenly arranged on described annular installed surface clockwise.
Wherein, described aluminum or aluminum alloy matrix also comprises and is positioned at described grinding and installs basifacial department of assembly, and the center of described department of assembly is provided with centre bore.
Wherein, the combination of described aluminium alloy contains by percentage to the quality: the Mg of 0.45 ~ 0.90wt%, the Cu of the Fe of the Si of 0.20 ~ 0.60wt%, 0 ~ 0.35wt%, 0 ~ 0.10wt%, the Mn of 0 ~ 0.10wt%, the Ti of the Zn of the Cr of 0 ~ 0.05wt%, 0 ~ 0.10wt%, 0 ~ 0.10wt%, surplus is inevitable impurity and aluminium, and described inevitable impurity content is not higher than 0.15wt%.
Wherein, described diamond segment by metallic bond and diamond under vacuum, forms through hot pressed sintering.
Wherein, the temperature of hot pressed sintering is 800 ~ 900 DEG C, and pressure is 200 ~ 300kgf/cm
2.
Wherein, in described diamond segment, adamantine concentration is 20 ~ 50%.
Wherein, described metallic bond is made up of the Co powder of the CuSn alloyed powder of 30 ~ 50wt%, the FeCoCu alloyed powder of 40 ~ 50wt% and 15 ~ 30wt%.
Wherein, described CuSn alloyed powder prepares preferably by water fog method, its preparation method comprises the following steps: (1) is by the Sn containing 6.0 ~ 7.0wt%, surplus is that the metal dust raw material of Cu mixes and is heated to 1000 ~ 1050 DEG C of fusing formation aluminium alloys, utilize pressure to be that the atomized water of 40 ~ 50MPa carries out cooling crush process to described aluminium alloy, form alloy powder; (2) drying is carried out to described alloy powder and reduced anneal process obtains described CuSn alloyed powder, wherein reduced anneal atmosphere adopts hydrogen annealing, annealing temperature is 350-400 DEG C, annealing time is 20-30 minute, oxygen content < 2000ppm in described CuSn alloyed powder after reduced anneal.
Wherein, in described FeCoCu alloyed powder, contain following component with its weighing scale: the Fe of 8 ~ 10wt%, the Co of 18 ~ 22wt%, and the Cu composition of surplus; And said components is carried out mechanical alloying process and is obtained for 120 ~ 200 hours in ball mill.
Compared with prior art, the present invention has following beneficial effect:
Diamond-impregnated wheel of the present invention adopts the cast molding of high-strength alloy aluminium, the bottom of diamond segment is embedded in alloy aluminum, ensure that cutter head does not in use come off, not only reduce many finishing operations, eliminate silver solder thus effectively reduce cost of manufacture, and also ensure that the service life of diamond-impregnated wheel, be specially adapted to processing of stone, the polishing of concrete road surface.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of efficient and light weight diamond-impregnated wheel of the present invention.
Fig. 2 be efficient and light weight diamond-impregnated wheel of the present invention partly cut open schematic diagram.
Detailed description of the invention
As described in Fig. 1-2, the efficient and light weight diamond-impregnated wheel of the present embodiment, comprises aluminum substrate 10 and diamond segment 20.Described aluminum substrate 10 comprises grinding installed surface 12, be positioned at grinding and install basifacial department of assembly 14, and the center of described department of assembly 14 is provided with centre bore 16.The bottom margin of described diamond segment 20 has outside extension protuberance 22; Described diamond segment 20 is arranged on described grinding installed surface 12, and described extension protuberance 22 is embedded in described grinding installed surface 12.
The preparation method of efficient and light weight diamond-impregnated wheel of the present invention is as follows:
1, batch mixing: by CuSn alloyed powder, FeCoCu alloyed powder, Co powder, and diamond weighs respectively by proportioning and to pour in batch mixer mixed 4 hours into, ensures to mix no color differnece; Wherein, diamond adopts intensity 25 ~ 35 kilograms, and granularity is 35/40, and/or the specification of 45/50, and concentration is 20-50%.
2, cutter head sintering: choosing required graphite jig, to put into cemented iron framed, after being assembled on request by graphite jig, baffle plate is added in outside, with spanner, mould is tightened, be the balance of 0.1g by precision, mixing metal powder material taken in the black mould of rear loading stone by calculated weight, adds seaming chuck, screw up with a wrench, the graphite jig assembled being put into power is that 80kw hot press sinters, and is incubated 3 minutes, naturally cools, take out cutter head, go bit interface oxide skin with grinder buffing.
3, cast molding: design and develop required aluminium according to drawing requirement and water mold, will handle cutter head well and put successively in mould, the aluminium dissolved or alloy aluminum be watered and cast from mould, naturally cool, and take out emery wheel blank, machine according to drawing requirement.
4, emery wheel puts the first edge on a knife or a pair of scissors: be fixed on by emery wheel after Vehicle Processing in self-control blade grinding machine, uses 60# emery wheel to put the first edge on a knife or a pair of scissors and diamond is fully exposed, pack warehouse-in after inspection.
Wherein, in an embodiment of the present invention, described CuSn alloyed powder is prepared by water fog method, its preparation method comprises the following steps: (1) is by the Sn containing 6.8wt%, surplus is that the metal dust raw material of Cu mixes and is heated to 1020 ~ 1050 DEG C of fusing formation aluminium alloys, utilize pressure to be that the atomized water of 45 ~ 50MPa carries out cooling crush process to described aluminium alloy, form alloy powder; (2) drying is carried out to described alloy powder and reduced anneal process obtains described CuSn alloyed powder, wherein reduced anneal atmosphere adopts hydrogen annealing, annealing temperature is 400 DEG C, annealing time is 20 minutes, oxygen content < 2000ppm in described CuSn alloyed powder after reduced anneal.
Wherein, in an embodiment of the present invention, in described FeCoCu alloyed powder, following component is contained with its weighing scale: the Co of Fe, 18wt% of 10wt%, and the Cu composition of surplus; And said components is carried out mechanical alloying process and is obtained for 180 hours in ball mill.
Embodiment 1
The present embodiment relates to a kind of Φ 125 efficient and light weight diamond-impregnated wheel, and it is prepared by following technique:
(1) mixed powder is prepared: choose metal dust as following weight percent: CuSn alloyed powder 35wt%, FeCoCu alloyed powder 40wt%, Co powder 25wt%; Diamond intensity 30 kilograms, granularity is 35/40, and concentration is 25%, pours into according to this in batch mixer and mix 4 hours after proportioning;
(2) cutter head sintering: choose cutter head graphite jig, irony sintering is put into framed after assembling, outside adds carbon barrier, screw up with a wrench, be that 0.1 gram of balance takes mixed powder 21.8 grams by precision, pour in graphite jig, with spanner, mould is tightened after adding graphite pressure head, graphite jig will be assembled and put into power 80KW pressing sintering, be heated to 800 DEG C, pressure 250Kg/cm
2, be incubated and naturally cool to normal temperature after 3 minutes, take out cutter head grinder buffing and go bit interface oxide skin;
(3) cast molding: Φ 125mm emery wheel cutter head being put into aluminium and cast framed, the aluminium liquid of fusing is poured in aluminum dipping form frame, naturally taking out emery wheel blank after cooling, according to drawing requirement Vehicle Processing to requiring size;
(4) emery wheel puts the first edge on a knife or a pair of scissors: be installed in emery wheel blade grinding machine by emery wheel after processing, uses 60# Brown Alundum emery wheel to put the first edge on a knife or a pair of scissors, diamond is fully exposed, packs warehouse-in after the assay was approved.
Embodiment 2
The present embodiment relates to a kind of Φ 115 efficient and light weight diamond-impregnated wheel, and it is prepared by following technique:
(1) mixed powder is prepared: choose metal dust as following weight percent: CuSn alloyed powder 40wt%, FeCoCu alloyed powder 45wt%, Co powder 15wt%; Diamond intensity 35 kilograms, granularity is 35/40, and concentration is 25%, pours into according to this in batch mixer and mix 4 hours after proportioning;
(2) cutter head sintering: choose cutter head graphite jig, irony sintering is put into framed after assembling, outside adds carbon barrier, screw up with a wrench, be that 0.1 gram of balance takes mixed powder 21.5 grams by precision, pour in graphite jig, with spanner, mould is tightened after adding graphite pressure head, graphite jig will be assembled and put into power 80KW pressing sintering, be heated to 780 DEG C, pressure 250Kg/cm
2, be incubated and naturally cool to normal temperature after 3 minutes, take out cutter head grinder buffing and go bit interface oxide skin;
(3) cast molding: it is framed Φ 115mm emery wheel cutter head to be put into aluminium casting, the aluminium liquid of fusing is poured into 6063 aluminium alloys framed in, taking-up emery wheel blank after cooling naturally, according to drawing requirement Vehicle Processing to requiring size;
(4) emery wheel puts the first edge on a knife or a pair of scissors: be installed in emery wheel blade grinding machine by emery wheel after processing, uses 60# Brown Alundum emery wheel to put the first edge on a knife or a pair of scissors, diamond is fully exposed, packs warehouse-in after the assay was approved.
Comparative example 1
With the difference of embodiment 1, be only that the metal dust used is different.CuSn alloyed powder wherein, FeCoCu alloyed powder is atomized alloy powder, and in CuSn alloyed powder, FeCoCu alloyed powder, each constituent content is identical with embodiment 1.
Comparative example 2
With the difference of embodiment 1, be only that the metal dust used is different.CuSn alloyed powder wherein, FeCoCu alloyed powder is mechanical alloying powder (processing 180 hours), and in CuSn alloyed powder, FeCoCu alloyed powder, each constituent content is identical with embodiment 1.
Comparative example 3
With the difference of embodiment 1, be only that the metal dust used is different.Its metal dust used contains: the Co of Sn, 32.2wt% of Fe, 2.38wt% of the 4.0% and Cu of surplus.
Utilize embodiment 1 ~ 2, the diamond-impregnated wheel obtained is polished (emery wheel rotating speed be the condition of work of 1000 ~ 2000r/min under) to marble, and the average life span of grinding all can reach more than 10000m; And the diamond-impregnated wheel that embodiment 1 ~ 2 obtains is when proper operation, substantially can not there is abnormal scrap (such as cutter head comes off), show the diamond-impregnated wheel that the method for being poured into a mould by aluminium obtained and there is excellent adhesion.Table 1 gives, embodiment 1 ~ 2, and comparative example 1 ~ 3 is in normal working conditions to the grinding life-span of marble grinding.
Table 1
| Embodiment 1 | Embodiment 2 | Comparative example 1 | Comparative example 2 | Comparative example 3 | |
| Grinding life-span (m) | 20km | 18km | 15km | 8km | 9km |
For the ordinary skill in the art, be to be understood that and can without departing from the scope of the present disclosure, equivalent replacement or equivalent transformation form can be adopted to implement above-described embodiment.Protection scope of the present invention is not limited to the specific embodiment of detailed description of the invention part, as long as no the embodiment departing from invention essence, within the protection domain being all interpreted as having dropped on application claims.
Claims (10)
1. an efficient and light weight diamond-impregnated wheel, is characterized in that: comprise aluminum or aluminum alloy matrix and diamond segment, and the bottom margin of described diamond segment has outside extension protuberance; And described aluminum or aluminum alloy matrix comprises grinding installed surface, described diamond segment is arranged on described grinding installed surface, and described extension protuberance is embedded in described grinding installed surface inside.
2. efficient and light weight diamond-impregnated wheel according to claim 1, is characterized in that: described grinding installed surface is annular installed surface, and described diamond segment is evenly arranged on described annular installed surface clockwise.
3. efficient and light weight diamond-impregnated wheel according to claim 1, is characterized in that: described aluminum or aluminum alloy matrix also comprises and is positioned at described grinding and installs basifacial department of assembly, and the center of described department of assembly is provided with centre bore.
4. efficient and light weight diamond-impregnated wheel according to claim 1, it is characterized in that: the combination of described aluminium alloy contains by percentage to the quality: the Mg of 0.45 ~ 0.90wt%, the Cu of the Fe of the Si of 0.20 ~ 0.60wt%, 0 ~ 0.35wt%, 0 ~ 0.10wt%, the Mn of 0 ~ 0.10wt%, the Ti of the Zn of the Cr of 0 ~ 0.05wt%, 0 ~ 0.10wt%, 0 ~ 0.10wt%, surplus is inevitable impurity and aluminium, and described inevitable impurity content is not higher than 0.15wt%.
5. efficient and light weight diamond-impregnated wheel according to claim 1, is characterized in that: described diamond segment by metallic bond and diamond under vacuum, forms through hot pressed sintering.
6. efficient and light weight diamond-impregnated wheel according to claim 5, is characterized in that: the temperature of hot pressed sintering is 800 ~ 900 DEG C, and pressure is 200 ~ 300kgf/cm
2.
7. efficient and light weight diamond-impregnated wheel according to claim 5, is characterized in that: in described diamond segment, adamantine concentration is 20 ~ 50%.
8. efficient and light weight diamond-impregnated wheel according to claim 5, is characterized in that: described metallic bond is made up of the Co powder of the CuSn alloyed powder of 30 ~ 50wt%, the FeCoCu alloyed powder of 40 ~ 50wt% and 15 ~ 30wt%.
9. efficient and light weight diamond-impregnated wheel according to claim 8, it is characterized in that: described CuSn alloyed powder prepares preferably by water fog method, its preparation method comprises the following steps: (1) is by the Sn containing 6.0 ~ 7.0wt%, surplus is that the metal dust raw material of Cu mixes and is heated to 1000 ~ 1050 DEG C of fusing formation aluminium alloys, utilize pressure to be that the atomized water of 40 ~ 50MPa carries out cooling crush process to described aluminium alloy, form alloy powder; (2) drying is carried out to described alloy powder and reduced anneal process obtains described CuSn alloyed powder, wherein reduced anneal atmosphere adopts hydrogen annealing, annealing temperature is 350-400 DEG C, annealing time is 20-30 minute, oxygen content < 2000ppm in described CuSn alloyed powder after reduced anneal.
10. efficient and light weight diamond-impregnated wheel according to claim 8, is characterized in that: in described FeCoCu alloyed powder, contain following component with its weighing scale: the Fe of 8 ~ 10wt%, the Co of 18 ~ 22wt%, and the Cu composition of surplus; And said components is carried out mechanical alloying process and is obtained for 120 ~ 200 hours in ball mill.
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| CN201510270505.4A CN105014557B (en) | 2015-05-25 | 2015-05-25 | Efficient and light weight diamond-impregnated wheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510270505.4A CN105014557B (en) | 2015-05-25 | 2015-05-25 | Efficient and light weight diamond-impregnated wheel |
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| Publication Number | Publication Date |
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| CN105014557A true CN105014557A (en) | 2015-11-04 |
| CN105014557B CN105014557B (en) | 2017-12-26 |
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Cited By (6)
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| CN106811635A (en) * | 2017-03-02 | 2017-06-09 | 东莞市超美铝制品有限公司 | A kind of 6 line aluminium alloy materials and preparation method thereof |
| CN109778030A (en) * | 2019-03-19 | 2019-05-21 | 苏州铭恒金属科技有限公司 | A kind of new aluminum alloy materials and its preparation |
| CN110977798A (en) * | 2018-10-02 | 2020-04-10 | 株式会社迪思科 | Manufacturing method of grinding wheel |
| CN112453423A (en) * | 2020-11-27 | 2021-03-09 | 中南大学 | Impregnated diamond cutting ring for concrete delivery pump and preparation method thereof |
| CN112894638A (en) * | 2021-01-20 | 2021-06-04 | 海安玻克超硬材料有限公司 | Preparation process of photovoltaic grinding wheel |
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| CN112453423A (en) * | 2020-11-27 | 2021-03-09 | 中南大学 | Impregnated diamond cutting ring for concrete delivery pump and preparation method thereof |
| CN112453423B (en) * | 2020-11-27 | 2022-05-20 | 中南大学 | Impregnated diamond cutting ring for concrete delivery pump and preparation method thereof |
| CN112894638A (en) * | 2021-01-20 | 2021-06-04 | 海安玻克超硬材料有限公司 | Preparation process of photovoltaic grinding wheel |
| CN115572870A (en) * | 2022-10-25 | 2023-01-06 | 祁阳宏泰铝业有限公司 | Enhanced 606X-series aluminum alloy, preparation method thereof and section processing method |
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