CN101704276A - Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof - Google Patents
Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof Download PDFInfo
- Publication number
- CN101704276A CN101704276A CN200910212773A CN200910212773A CN101704276A CN 101704276 A CN101704276 A CN 101704276A CN 200910212773 A CN200910212773 A CN 200910212773A CN 200910212773 A CN200910212773 A CN 200910212773A CN 101704276 A CN101704276 A CN 101704276A
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- Prior art keywords
- steel wire
- diamond
- scroll saw
- abrasive material
- braze welding
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Links
- 239000010432 diamond Substances 0.000 title claims abstract description 55
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 title abstract description 15
- 238000000227 grinding Methods 0.000 title abstract description 13
- 238000005219 brazing Methods 0.000 title abstract description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 34
- 239000010959 steel Substances 0.000 claims abstract description 34
- 229910052751 metal Inorganic materials 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 6
- 239000012298 atmosphere Substances 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims abstract description 4
- 239000003082 abrasive agent Substances 0.000 claims description 25
- 239000011159 matrix material Substances 0.000 claims description 25
- 238000003466 welding Methods 0.000 claims description 19
- 229910000679 solder Inorganic materials 0.000 claims description 14
- 238000005476 soldering Methods 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 229910017938 Cu—Sn—Ti Inorganic materials 0.000 claims description 3
- 229910017945 Cu—Ti Inorganic materials 0.000 claims description 3
- 239000006061 abrasive grain Substances 0.000 claims description 3
- -1 soldering bond Substances 0.000 claims description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 3
- 239000010937 tungsten Substances 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 238000010894 electron beam technology Methods 0.000 claims description 2
- 238000004093 laser heating Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 6
- 239000011248 coating agent Substances 0.000 abstract description 2
- 238000000576 coating method Methods 0.000 abstract description 2
- 239000007767 bonding agent Substances 0.000 abstract 2
- 239000000758 substrate Substances 0.000 abstract 2
- 229910001111 Fine metal Inorganic materials 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- ORILYTVJVMAKLC-UHFFFAOYSA-N adamantane Chemical compound C1C(C2)CC3CC1CC2C3 ORILYTVJVMAKLC-UHFFFAOYSA-N 0.000 description 1
- 229910001573 adamantine Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000001291 vacuum drying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Landscapes
- Polishing Bodies And Polishing Tools (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to brazing diamond fret saw with grinding materials being arranged in order in a spiral shape and a manufacturing process thereof, belonging to the field of manufacturing of grinding materials and grinding apparatus. The brazing diamond fret saw is composed of a steel wire substrate, brazing bonding agent and diamond grinding materials which are arranged in a spiral shape. The key steps of the process are as follows: coating pressure sensitive adhesive on the surface of the steel wire substrate; evenly winding a fine metal silk thread or nonmetal silk thread on the steel wire coated with pressure sensitive adhesive in a certain thread pitch; arranging the diamond grinding materials; dismantling the metal silk thread or the nonmetal silk thread; arranging a layer of powdery brazing filler metal; heating to the melting of the brazing filler metal in vacuum or protective atmosphere; and fixing the cooled diamond grinding materials firmly on the surface of the steel wire through brazing bonding agent to form the brazing diamond fret saw with the grinding materials being arranged in order in a spiral shape. The fret saw has the advantages of long cutting service life and high cutting efficiency.
Description
Technical field
The present invention relates to abrasive material the braze welding diamond scroll saw and the manufacture craft thereof of ordered arrangement twist, belong to grinding materials and grinding tool and make the field.
Background technology
At present, the patent No. is " 200910137822.3 ", and name is called " a kind of preparation method of metal binding agent diamond scroll saw " patent and has announced a kind of and the most approaching diamond fretsaw and the manufacture craft thereof of the present invention.It is to fix one deck diamond abrasive on the surface of steel wire by electric deposition nickel, this scroll saw can precision form hard brittle materials such as cutting silicon chip, stone material, pottery, optical glass, also can be applicable to the cutting processing of non-ferrous metal such as aluminium alloy and alloy thereof.Its advantage: (1) joint-cutting is narrow, the volume recovery height; (2) cutting process is steady, and fragile materials such as cutting silicon wafer, pottery do not collapse the limit; (3) cutting temperature is low, and cut surface does not have burn; (4) energy cutting large size workpiece; (5) environmental pollution is little, makes water as cooling fluid usually, is a kind of up-and-coming cutting process method.The subject matter that this diamond fretsaw exists: abrasive material just is embedded in the coating bond by embedding mechanically, and abrasive material easily comes off, and the scroll saw life-span is short; Abrasive material is unordered arranges, and scroll saw easily obstruction skids and lost efficacy.
In recent ten years, domestic and international many scholars begin one's study and adopt soldering processes to make tool with single layer of super hard abrasive, its starting point is interactions (usually said chemical metallurgy effect) such as the fusion that takes place on abrasive material, solder and basal body interface when wishing by high temperature brazing, infiltration, diffusion, chemical combination, fundamentally improves matrix and the brazing filler metal alloy intensity of controlling to abrasive material.Compare with traditional electric deposition nickel or heat reactive resin diamond tool, brazed diamond tool has following characteristics: 1. can realize the metallurgical chemistry combination between abrasive material, solder and the matrix three, thereby improve bond strength, tool life is long; 2. the proud exposure of abrasive particle is big, and chip space is big, is difficult for stopping up, and the utilization of abrasive material is more abundant; 3. grinding force, power consumption and grinding temperature are low; 4. have environment protection significance, meet the green manufacturing development trend of advocating now.
At present, the research of brazed diamond tool relatively concentrates on core drill, emery wheel, saw blade, beading manufacture craft, and the research of braze welding diamond scroll saw manufacture craft is not related to as yet.
Summary of the invention
It is long to the invention provides a kind of scroll saw cutting life-span, and the high abrasive material of cutting efficiency is the braze welding diamond scroll saw and the manufacture craft thereof of ordered arrangement twist.
A kind of abrasive material is the braze welding diamond scroll saw of ordered arrangement twist, it is characterized in that: be made up of steel wire matrix, soldering bond, diamond abrasive three parts of arranging twist, wherein this braze welding diamond scroll saw external diameter is 0.1～3mm.
The described abrasive material of a kind of claim 1 is the manufacture craft of the braze welding diamond scroll saw of ordered arrangement twist, it is characterized in that may further comprise the steps:
(1), the steel wire matrix is stretching;
(2), at the even coated one deck pressure sensitive adhesive of steel wire matrix surface;
(3), scribble tinsel or nonmetal silk thread on the steel wire matrix of pressure sensitive adhesive with certain pitch uniform winding;
(4), diamond abrasive grain is distributed in steel wire matrix pressure sensitive adhesive surface after the coiling;
(5), tinsel or nonmetal silk thread are removed from the steel wire matrix, diamond presents tool helix at regular intervals in Steel Wire Surface and arranges;
(6), on steel wire pressure sensitive adhesive surface with diamond surface one deck powdered filler metal of evenly arranging;
(7), in vacuum or protective atmosphere, be heated to solder fusing, cooling back diamond abrasive fixedly secures in Steel Wire Surface by the soldering bond, forms the abrasive material braze welding diamond scroll saw of ordered arrangement twist.
Good effect of the present invention is:
1, utilize soldering processes to make diamond fretsaw, diamond is controlled the intensity height, and the scroll saw cutting life-span is long.
2, diamond abrasive twist ordered arrangement (external diameter 0.1～3mm), chip space is big, smear metal be difficult for to take place stop up and cause scroll saw to lose efficacy the cutting efficiency height.
Description of drawings
Fig. 1 is around helix at the steel wire matrix surface.
Fig. 2 is the gluing attached diamond abrasive that utilizes Steel Wire Surface.
Fig. 3 is for removing coiling back abrasive material ordered arrangement twist.
The specific embodiment
Braze welding diamond scroll saw of the present invention comprise steel wire as matrix, as the brazing metal bond of intermediate connecting layer and as outer field by the directly fixing diamond abrasive of brazing metal bond.Scroll saw is used for the cutting processing of material, and matrix should be able to bear tension, alternating bending stress and grinding high temperature.Therefore, the material of matrix will possess high tensile strength, high bending fatigue strength and high high-temperature mechanical property, obvious decay on the performance self should not appear when matrix bears high temperature action when the soldering abrasive material, typical metal matrix material comprises iron, molybdenum, tungsten, with contain arbitrarily wherein a kind of alloy, steel can obviously reduce tensile strength when standing soldering high temperature, diameter is feasible material when thick, the influence that high-carbon steel is subjected to is relatively littler, steel wire quick cooling after soldering can be recovered significantly, soldering should not be heated in vacuum drying oven, local heat is short because of heat time heating time, the steel wire cooling velocity is fast, performance degradation is little, can select eddy-current heating, LASER HEATING, the electron beam heating, the infrared ray heating.Material is tungsten and alloy thereof preferably, and its mechanical performance is influenced hardly during soldering.
The geometry of steel wire matrix cross sections is preferably circle, also can select noncircular cross section for particular application, as: ellipse, rectangle, square, trapezoidal, polygon etc.
The main purpose of scroll saw is the thin silicon wafer of cutting, promptly accurate cutting, preferred diameter dimension 0.1～0.25mm.Scroll saw is applicable to that too rough lumber cuts, and as various building materials, for obtaining the scroll saw life-span of appropriateness, metal wire will have enough intensity, can use multiply metal wire weave in, and overall diameter can be 0.25～3mm, and abrasive material is brazed in the surface of multiply plait.
Powdered solder is Ni-Cr-B-Si, Ag-Cu-Ti, Cu-Sn-Ti solder alloy, but also comprises the active solder of other braze welding diamond.The C reaction of active element Cr, Ti and diamond surface generates the carbide (Cr of Cr respectively
3C
2, Cr
7C
3, Cr
23C
6) and these compounds of carbide (TiC) of Ti improved fusing the solder liquid phase to adamantine wetting, and improved adhesion strength between diamond abrasive and bond.The content of Cr can be 2～15% in the Ni-Cr-B-Si solder alloy, and preferred 2～5%.The content of Ti can be 1～15% in the Ag-Cu-Ti solder alloy, and preferred 3～7%.The content of Ti can be 3～20% in the Cu-Sn-Ti solder alloy, and preferred 10～15%.
Utilize soldering processes make abrasive material twist the critical process of the diamond fretsaw of ordered arrangement be:
(1) scroll saw steel wire matrix is stretching;
(2) at the even coated one deck pressure sensitive adhesive of steel wire matrix surface;
(3) fine rule (tinsel or nonmetal silk thread) is scribbled the steel wire of pressure sensitive adhesive with certain pitch uniform winding, as shown in Figure 1;
(4) diamond abrasive grain is distributed in steel wire rubber surface after the coiling; To wind the line and remove from steel wire, diamond presents tool helix at regular intervals in Steel Wire Surface to be arranged, and sees Fig. 2,3;
(5) at steel wire and diamond surface one deck powdered filler metal of evenly arranging;
(6) be heated to the solder fusing in vacuum or protective atmosphere, cooling back diamond abrasive fixedly secures in Steel Wire Surface by the soldering bond, forms the abrasive material braze welding diamond scroll saw of ordered arrangement twist.
Claims (6)
1. the abrasive material braze welding diamond scroll saw of ordered arrangement twist is characterized in that: be made up of steel wire matrix, soldering bond, diamond abrasive three parts of arranging twist, wherein this braze welding diamond scroll saw external diameter is 0.1～3mm.
2. the described abrasive material of claim 1 manufacture craft of the braze welding diamond scroll saw of ordered arrangement twist is characterized in that may further comprise the steps:
(1), the steel wire matrix is stretching;
(2), at the even coated one deck pressure sensitive adhesive of steel wire matrix surface;
(3), scribble tinsel or nonmetal silk thread on the steel wire matrix of pressure sensitive adhesive with certain pitch uniform winding;
(4), diamond abrasive grain is distributed in steel wire matrix pressure sensitive adhesive surface after the coiling;
(5), tinsel or nonmetal silk thread are removed from the steel wire matrix, diamond presents tool helix at regular intervals in Steel Wire Surface and arranges;
(6), on steel wire pressure sensitive adhesive surface with diamond surface one deck powdered filler metal of evenly arranging;
(7), in vacuum or protective atmosphere, be heated to solder fusing, cooling back diamond abrasive fixedly secures in Steel Wire Surface by the soldering bond, forms the abrasive material braze welding diamond scroll saw of ordered arrangement twist.
3. according to the described abrasive material of claim 2 manufacture craft of the braze welding diamond scroll saw of ordered arrangement twist, it is characterized in that: described steel wire matrix material is steel or tungsten and alloy thereof.
4. according to the described abrasive material of claim 2 manufacture craft of the braze welding diamond scroll saw of ordered arrangement twist, it is characterized in that: the geometric form of described steel wire matrix cross sections is for circular.
5. according to the described abrasive material of claim 2 manufacture craft of the braze welding diamond scroll saw of ordered arrangement twist, it is characterized in that: (6) step, described Powdered solder was Ni-Cr-B-Si, or Ag-Cu-Ti, or the Cu-Sn-Ti solder alloy.
6. according to the described abrasive material of claim 2 manufacture craft of the braze welding diamond scroll saw of ordered arrangement twist, it is characterized in that: (7) step, described heating means were specially eddy-current heating, or LASER HEATING, or the electron beam heating, or the infrared ray heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102127735A CN101704276B (en) | 2009-11-09 | 2009-11-09 | Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102127735A CN101704276B (en) | 2009-11-09 | 2009-11-09 | Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof |
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| Publication Number | Publication Date |
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| CN101704276A true CN101704276A (en) | 2010-05-12 |
| CN101704276B CN101704276B (en) | 2012-01-04 |
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| CN2009102127735A Expired - Fee Related CN101704276B (en) | 2009-11-09 | 2009-11-09 | Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101914768A (en) * | 2010-08-18 | 2010-12-15 | 丹阳华昌工具制造有限公司 | Method for manufacturing abrasive wheels for high-speed railway track slabs by brazing diamonds with laser |
| CN102069533A (en) * | 2010-11-25 | 2011-05-25 | 宋建华 | Multi-stranded diamond wire and production process thereof |
| CN102555073A (en) * | 2012-01-11 | 2012-07-11 | 福建万龙金刚石工具有限公司 | Diamond wire saw and stringed bead for same |
| CN102729337A (en) * | 2012-07-08 | 2012-10-17 | 桂林华轮金刚石工具有限公司 | Diamond wire serrated bead |
| CN102896373A (en) * | 2012-09-21 | 2013-01-30 | 南京航空航天大学 | Superhard abrasive coping saw abrasive orderly distribution device and method |
| CN102896387A (en) * | 2012-09-21 | 2013-01-30 | 南京航空航天大学 | Super-hard abrasive brazing tool distributing technology |
| CN103707426A (en) * | 2013-12-30 | 2014-04-09 | 镇江市港南电子有限公司 | Silicon wafer cutting machine |
| CN103722626A (en) * | 2013-12-30 | 2014-04-16 | 镇江市港南电子有限公司 | Silicon wafer cutting steel wire |
| WO2015039524A1 (en) * | 2013-09-18 | 2015-03-26 | 凡登（常州）新型金属材料技术有限公司 | Metal wire for cutting free abrasive, and manufacturing device and method for same |
| CN105058592A (en) * | 2015-08-08 | 2015-11-18 | 河南万里路桥集团股份有限公司 | Diamond wire saw with grinding materials distributed in double-helix manner and manufacturing method of diamond wire saw |
| CN105599155A (en) * | 2015-12-28 | 2016-05-25 | 盛利维尔（中国）新材料技术有限公司 | Chip accumulation-preventing spiral diamond wire |
| CN108527664A (en) * | 2018-02-09 | 2018-09-14 | 江苏中博钻石科技有限公司 | Annular diamond wire saw cutting device |
| CN113427078A (en) * | 2020-03-23 | 2021-09-24 | 镇江韦尔博新材料科技有限公司 | Brazing superhard abrasive wire saw and preparation process thereof |
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| JP2001225258A (en) * | 2000-02-16 | 2001-08-21 | Asaoka Kk | Wire saw and its manufacture |
| CN201064933Y (en) * | 2007-07-03 | 2008-05-28 | 张小军 | Diamond thread saw |
| CN101195257B (en) * | 2007-11-16 | 2010-10-13 | 丹阳华昌工具制造有限公司 | Diamond soldering appliance |
| CN101531035B (en) * | 2009-04-21 | 2014-04-16 | 青岛科技大学 | A method for manufacturing electroplating diamond wire saw |
-
2009
- 2009-11-09 CN CN2009102127735A patent/CN101704276B/en not_active Expired - Fee Related
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| CN101914768B (en) * | 2010-08-18 | 2012-05-30 | 丹阳华昌工具制造有限公司 | Method for manufacturing abrasive wheels for high-speed railway track slabs by brazing diamonds with laser |
| CN101914768A (en) * | 2010-08-18 | 2010-12-15 | 丹阳华昌工具制造有限公司 | Method for manufacturing abrasive wheels for high-speed railway track slabs by brazing diamonds with laser |
| CN102069533A (en) * | 2010-11-25 | 2011-05-25 | 宋建华 | Multi-stranded diamond wire and production process thereof |
| CN102555073B (en) * | 2012-01-11 | 2015-04-22 | 福建万龙金刚石工具有限公司 | Diamond wire saw and stringed bead for same |
| CN102555073A (en) * | 2012-01-11 | 2012-07-11 | 福建万龙金刚石工具有限公司 | Diamond wire saw and stringed bead for same |
| CN102729337A (en) * | 2012-07-08 | 2012-10-17 | 桂林华轮金刚石工具有限公司 | Diamond wire serrated bead |
| CN102896373A (en) * | 2012-09-21 | 2013-01-30 | 南京航空航天大学 | Superhard abrasive coping saw abrasive orderly distribution device and method |
| CN102896387A (en) * | 2012-09-21 | 2013-01-30 | 南京航空航天大学 | Super-hard abrasive brazing tool distributing technology |
| CN102896373B (en) * | 2012-09-21 | 2016-08-24 | 南京航空航天大学 | Super-hard abrasive wire saw grinding material sequential arraying apparatus and method for |
| WO2015039524A1 (en) * | 2013-09-18 | 2015-03-26 | 凡登（常州）新型金属材料技术有限公司 | Metal wire for cutting free abrasive, and manufacturing device and method for same |
| CN103722626A (en) * | 2013-12-30 | 2014-04-16 | 镇江市港南电子有限公司 | Silicon wafer cutting steel wire |
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| CN105058592A (en) * | 2015-08-08 | 2015-11-18 | 河南万里路桥集团股份有限公司 | Diamond wire saw with grinding materials distributed in double-helix manner and manufacturing method of diamond wire saw |
| CN105599155A (en) * | 2015-12-28 | 2016-05-25 | 盛利维尔（中国）新材料技术有限公司 | Chip accumulation-preventing spiral diamond wire |
| CN108527664A (en) * | 2018-02-09 | 2018-09-14 | 江苏中博钻石科技有限公司 | Annular diamond wire saw cutting device |
| CN113427078A (en) * | 2020-03-23 | 2021-09-24 | 镇江韦尔博新材料科技有限公司 | Brazing superhard abrasive wire saw and preparation process thereof |
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Assignee: Saint-Gobain Abrasives (Shanghai) Co., Ltd. Assignor: Nanjing University of Aeronautics and Astronautics Contract record no.: 2012320000783 Denomination of invention: Brazing diamond fret saw with grinding materials being arranged in order in spiral shape and manufacturing process thereof Granted publication date: 20120104 License type: Exclusive License Open date: 20100512 Record date: 20120614 |
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