CN104290199A - Diamond cutting tool with coating of composite structure and manufacturing method thereof - Google Patents
Diamond cutting tool with coating of composite structure and manufacturing method thereof Download PDFInfo
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- CN104290199A CN104290199A CN201410497254.9A CN201410497254A CN104290199A CN 104290199 A CN104290199 A CN 104290199A CN 201410497254 A CN201410497254 A CN 201410497254A CN 104290199 A CN104290199 A CN 104290199A
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- superhard
- layer
- diamond
- composite structure
- coarse grain
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- 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
- B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
- B28D1/12—Saw-blades or saw-discs specially adapted for working stone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/04—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a diamond cutting tool with a coating of a composite structure. The diamond cutting tool comprises a base body and a cutting edge layer. The cutting edge layer comprises the coating of the composite structure, and the coating is fixedly connected with coarse super-hard grains. The coating of the composite structure comprises an electro-deposition metal layer at the lower layer and a high-abrasion-resistance layer at the upper layer. Fine super-hard grains are fixedly connected in the high-abrasion-resistance layer. A manufacturing method of the diamond cutting tool includes the steps that an electroplated diamond tool serves as a basis, and the high-abrasion-resistance layer is compounded on the electroplated diamond tool to form the diamond tool coating of the composite structure. The cutting edge layer is protected by the high-abrasion-resistance layer, the situation that the diamond tool loses efficacy rapidly due to falling off of part of the coarse super-hard grains in the use process is avoided, the service life of the diamond tool is prolonged effectively, and the effect for a flexible diamond tool is especially outstanding; meanwhile, the diamond cutting tool can be used as a reinforcement means after the diamond tool loses efficacy, and the service life of the diamond tool is prolonged effectively.
Description
(1) technical field:
The present invention relates to cutting element, specifically a kind of diamond cutting tool with composite structure plating and preparation method thereof.
(2) background technology:
Diamond tool is mainly used in processing hard brittle material (as: sapphire, special cermacis, monocrystalline silicon, gem and jade etc.).Wherein service life weighs the important indicator of diamond tool, and the inefficacy of diamond tool mainly to come off inefficacy, the inadequate fracture failure of matrix strength based on the wearing and tearing of diamond knife edge layer.Show according to investigation and experimental result, the mode that diamond tool lost efficacy is often from most weak spot, when diamond knife edge layer a certain point out cash hard rock particle detachment time, very fast whole coating will come off continuously near particle detachment point, and finally cause whole tool failures.Factual survey finds, when most weak spot starts to come off, often the overwhelming majority of coating also stands intact, and diamond particles is intact, sharp.If can strengthen this weak spot, the service life of whole diamond tool will extend greatly, and the utilization rate of valuable diamond particles also will improve greatly.
The material that diamond tool is processed is hard brittle material substantially, and diamond tool mostly is electro-plating method preparation.The tiny superhard particles produced in process, its hardness is far above coated metal hardness, now, after diamond particles comes off, the superhard particles that cutting process produces oppositely grinds coated metal, coated metal is worn away totally very soon, cause neighbouring diamond particles hold inadequate, come off further, very fast expansion from a point is come, in high-speed cutting superhard material process, expansion rate is faster, whole diamond tool can be caused to lose efficacy due to the inefficacy of a point very soon, time serious, even matrix can be may wear to, diamond tool matrix insufficient strength is caused to cause fracture.Meanwhile, the diamond tool of continuous distributed can affect the surface quality of cutting material in cutting process generation diamond drop-off, for the crystalline material that processing request is higher, therefore can cause the appearance of waste product, cause huge loss.
Coating comes off for flexible diamond tool (as: diamond fretsaw, annular diamond fretsaw, annular band-saw diamond etc.) the most remarkable in the impact of high-speed cutting hard brittle material, for annular diamond fretsaw, diameter is 0.5mm annular diamond fretsaw when cutting 6 inches sapphire crystal with the linear velocity of 20m/s, when scroll saw is after particle detachment appears in a certain point, and generally scroll saw wear and rupture within half an hour, when linear velocity is faster, rupture time is shorter.
The problems referred to above, being that this defect often becomes the weakest place of diamond tool due to diamond tool existing defects in manufacturing process, is also the control point in diamond tool service life.
(3) summary of the invention:
For the deficiencies in the prior art, it is simple that technical problem to be solved by this invention is to provide a kind of structure, easy to make, can efficient hardening weak spot, improves the diamond cutting tool with composite structure plating in service life and preparation method thereof.
The diamond cutting tool with composite structure plating that can solve the problems of the technologies described above, its technical scheme comprises matrix and blade layer, described blade layer comprises the electrodeposit metals layer being connected with superhard coarse grain, on described electrodeposit metals layer, painting is coated with high antifriction layer unlike the prior art, is inlaid with superhard particulate in described high antifriction layer; Electrodeposit metals layer and high antifriction layer form the composite structure plating of blade layer.
In said structure, described high antifriction layer mainly plays protection and holds superhard coarse grain, the reverse grinding electric depositing metal layers of the superhard particles preventing process from producing.
For reaching desirable cutting and wear-resistant usefulness, selecting the superhard coarse grain of Li Jing≤200 μm, selecting the superhard particulate of Li Jing≤50 μm.
Plate requirement for reaching to superhard coarse grain, the thickness of described high antifriction layer can be selected between 30 μm ~ 40 μm.
Described superhard coarse grain and superhard particulate can be selected diamond or select polycrystalline cubic boron nitride (PCBN) or select other superhard particles, or used in combination.
Described superhard coarse grain and the preferred diamond of superhard particulate.
Blade layer can be selected to be continuous distributed or for Disjunct distribution or be Non-regular distribute according to cutting condition.
The preferred nickel of described electrodeposit metals layer or nickel cobalt (alloy).
The diamond cutting tool preparation method with composite structure plating that can solve the problems of the technologies described above, takes following processing step:
1, the surface preparation of superhard coarse grain and superhard particulate.
Required superhard coarse grain and superhard particulate are placed in after alkaline solution removes surperficial grease, with clear water washing, are then placed in concentrated hydrochloric acid and red fuming nitric acid (RFNA) that volume ratio is 3:1, after removing the metal oxide on superhard coarse grain and superhard particulate surface, wash with clear water.
2, superhard coarse grain and superhard particulate surface cationic.
Superhard coarse grain after 1st step process and superhard particulate are placed in cationic surface active agent solution, cationic surface active agent solution is applied to the positive potential of 0.1 ~ 0.2V, the cation of cationic surface active agent, under the effect of electrophoresis, forms the film of one deck with positive charge at superhard coarse grain and superhard particulate surface.
3, employing is buried micromicrofarad on matrix, is electroplated electrodeposit metals layer, and by the superhard coarse grain isotropic consolidation of surface cationic in electrodeposit metals layer.
4, stirring plating solution continuously makes superhard particulate be suspended state, electroplating deposition high antifriction layer on electrodeposit metals layer, and is evenly embedded in high antifriction layer by the superhard particulate of surface cationic; So far, electrodeposit metals layer and high antifriction layer form the composite structure plating of blade layer jointly.
Described electrodeposit metals layer electroplating technique Selecting parameter is: current density is at 0.8A/dm
2~ 1.0A/dm
2between, temperature is 45 ± 5 DEG C; Described high antifriction layer electroplating technique parameter is: current density is at 0.5A/dm
2~ 0.6A/dm
2between, temperature is 45 ± 5 DEG C.
Described electrodeposit metals layer is preferably with nickel sulfamic acid be main salt nickel or nickel cobalt (alloy).
Particle diameter Xuan Ze≤200 μm of described superhard coarse grain, particle diameter Xuan Ze≤50 μm of described superhard particulate.
Plate requirement for reaching to superhard coarse grain, the thickness of described high antifriction layer is selected between 30 μm ~ 40 μm.
Beneficial effect of the present invention:
1, the present invention divides two independently composite plating process making diamond tools with electric plating method, and plated metal (being generally nickel or nickel cobalt (alloy)) two processes are independent of one another, are independent of each other, have modularization feature.
2, the present invention with the addition of high antifriction layer outside electroplated metal layer originally, effectively protects the reverse grinding that the coating holding diamond particles is subject to cutting particle, effectively extends the service life of diamond tool.
3, the present invention can carry out entirety strengthening to coating; also can strengthen separately weak spot; strengthening effect is good; effectively solve diamond tool and prepare the uneven short slab problem brought; protection weak link; improve the utilization rate of diamond tool blade layer, extend and use service life, reduce cutting cost.
4, the present invention adds subsequent step on the basis of script electroplated diamond technique, simple to operate, convenient, does not have an impact to former technique.
5, the present invention can change flexibly according to the processing characteristic of diamond tool, can need to choose varigrained grain matches according to difference cutting, choose different coating methods, coating even can be used to mix superhard aggregate and prepare high antifriction layer.
6, in the present invention, the superhard characteristic of superhard particles material and super abrasive characteristic are combined together, given full play to the characteristic of superhard material.
7 the present invention is directed the common problem of diamond tool, and technology can be done suitably change and apply to current most diamond tool and prepare in link, contributes to the technology of preparing improving diamond tool.
8, the present invention is particularly useful for the flexible diamond tool (diamond fretsaw, annular diamond fretsaw, band-saw diamond etc.) of high-speed cutting, has technique simple, the feature of Be very effective.
9, in the present invention, will greatly be increased by the service life of the diamond fretsaw after Combined Processing, general service life can extend 2 ~ 3 times.
10, the composite construction prepared by the present invention is reinforcement defect just in time, and strengthening weakest link, effectively prevent the puzzlement that " Bucket Principle " brings, extend the service life of diamond tool, improve the utilization rate of diamond tool, ensure that machining accuracy.
(4) accompanying drawing illustrates:
Fig. 1 is the structural representation of one embodiment of the present invention.
Fig. 2 is the A place enlarged drawing in Fig. 1 embodiment.
Figure number identifies: 1, matrix; 2, blade layer; 3, superhard coarse grain; 4, electrodeposit metals layer; 5, high antifriction layer; 6, superhard particulate.
(5) detailed description of the invention:
Below in conjunction with accompanying drawing illustrated embodiment, technical scheme of the present invention is described further.
The present invention has the technical scheme of the diamond cutting tool of composite structure plating, comprise matrix 1 and the blade layer 2 as cutting part, described blade layer 2 comprises the electrodeposit metals layer 4 being connected with superhard coarse grain 3, described electrodeposit metals layer 4 is attached on matrix 1 by first time plating mode, by second time electroplating mode, high antifriction layer 5 is attached on electrodeposit metals layer 4, described electrodeposit metals layer 4 is with nickel sulfamic acid be main salt nickel or nickel cobalt (alloy), superhard particulate 6 is inlaid with in described high antifriction layer 5, in conventional design, described superhard coarse grain 3 exposes high antifriction layer 5, high antifriction layer 5 and electrodeposit metals layer 4 form the composite structure plating of blade layer 2, as Fig. 1, shown in Fig. 2.
Described superhard coarse grain 3 and superhard particulate 6 all can be selected diamond or select polycrystalline cubic boron nitride (PCBN) or select other superabrasive particles, or both, any mix and match between three are selected.
For obtaining desirable cutting and anti-wear effect, Xuan Ze≤200 μm of described superhard coarse grain 3 particle diameter, Xuan Ze≤50 μm of described superhard particulate 6 particle diameter; Further selection, the ratio of superhard coarse grain 3 and the particle diameter of superhard particulate 6 is more than 2 times, and under normal circumstances, when particle diameter is larger, multiple is less, when particle diameter more hour, multiple is larger.
For diamond, the particle diameter of superhard coarse grain 3 is preferably 120 μm (140# ~ 170#), and the preferred particle diameter of superhard particulate 6 preferably 40 μm (w40).
Plate requirement for reaching to superhard coarse grain 3, the electroplating thickness of described high antifriction layer 5 is selected between 30 μm ~ 40 μm.
The described preparation method with the diamond cutting tool of composite structure plating, following processing step can be taked:
1, the superhard coarse grain 3 of particle size matching and superhard particulate 6 is chosen, superhard coarse grain 3 and superhard particulate 6 preferably diamond particles.
2, diamond particle surfaces pretreatment.Diamond particles is placed in alkaline solution (NaOH), in the alkaline solution of 70 DEG C, is incubated 30 minutes, after removing surperficial grease, washs with clear water; The diamond particles of washes clean is placed in concentrated hydrochloric acid (HCl) and red fuming nitric acid (RFNA) (HNO that volume ratio is 3:1
3) in, soak 24 hours, after removing the metal oxide of diamond particle surfaces, wash with clear water.
3, the diamond particles after abovementioned steps process is placed in cationic surfactant solution, cationic surface active agent solution is applied to the positive potential of 0.1 ~ 0.2V, the cation of cationic surface active agent, under the effect of electrophoresis, forms the film of one deck with positive charge at diamond particle surfaces.
4, micromicrofarad is buried in employing, is 0.8A/dm in current density
2~ 1.0A/dm
2(preferred 1.0A/dm
2), temperature is prepare electrodeposit metals layer 4 (being attached on matrix 1) under the process conditions of 45 ± 5 DEG C (preferably 45 DEG C), is evenly fixed in by superhard coarse grain 3 after in electrodeposit metals layer 4, washs with clear water.
5, adopting plating or brush technique, is 0.5A/dm in current density
2~ 0.6A/dm
2(preferred 0.5A/dm
2), temperature is under the process conditions of 45 ± 5 DEG C (preferably 45 DEG C), when plating after superhard particulate 6 in the electrolytic solution abundant dispersed with stirring (namely keeping suspended state), on electrodeposit metals layer 4, prepare high antifriction layer 5, superhard particulate 6 is evenly embedded in high antifriction layer 5.
So far, the electrodeposit metals layer 4 of affixed superhard coarse grain 3 and the high antifriction layer 5 inlaying superhard particulate 6 form the composite structure plating of the blade layer 2 of diamond cutting tool jointly, blade layer 2 can be selected be continuous distributed or for Disjunct distribution or be Non-regular distribute according to cutting condition.
6, after plating completes, decorate, quality inspection.
A kind of embodiment of concrete diamond cutting tool (annular diamond double-cutting band saw): employing specification is the stainless steel band of 3800mm × 8mm × 0.2mm, and the two ends of stainless steel band is welded into annular; (width) edge, both sides of described steel band positive and negative (inner peripheral surface, outer circumference surface) and edge are coated with symmetrical diamond coating, and diamond coating is along length direction (circumferencial direction) continuous distributed of steel band; One-shot forming prepared by band saw, and because girth is longer, CURRENT DISTRIBUTION is uneven, there will be diamond particles phenomenon pockety, wherein from conductiving point more away from, plate more weak, diamond more easily comes off, and can strengthen when second time plating to weak spot.
1, choose the stainless steel band of 3800mm × 8mm × 0.2mm, by seamless welding technology, the initial and end end of stainless steel band is welded into annular, and processes according to the pre-treatment step of plating diamond tool matrix.
2, choose the diamond abrasive material particles of the suitable two kinds of different-grain diameters (140# ~ 170# and W40) of size, and carry out step-by-step processing:
The first step, diamond particle surfaces pretreatment.Required diamond abrasive material particles is placed in alkaline solution (NaOH), remains on 70 DEG C of insulation 30min, after removing surperficial grease, wash with clear water.
Second step, the diamond abrasive material particles of washes clean is placed in concentrated hydrochloric acid (HCl) and red fuming nitric acid (RFNA) (HNO that volume ratio is 3:1
3) in, soak 24 hours, after removing the metal oxide of diamond particle surfaces, wash with clear water.
3rd step, diamond particle surfaces cationization.Diamond abrasive material particles after second step process is placed in cationic surfactant solution, cationic surface active agent solution is applied to the positive potential of 0.1V ~ 0.2V, the cation of cationic surface active agent, under the effect of electrophoresis, forms the film of one deck with positive charge at diamond particle surfaces.
3, diamond particles (the superhard coarse grain 3) isotropic consolidation of surface cationic, in electrodeposit metals layer 4, steel band edge is formed the blade layer 2 of single coating, and take out clear water and rinse well.Wherein, described plating mode is with watt type electroplate liquid for electrolyte, and main salt is nickel sulfamic acid, and anode is nickel wire and nickel ball, and stainless steel band is negative electrode, is 1A/dm in current density
2, temperature is under the condition of 45 DEG C, and the diamond particles of leaching surface cationic adopts and buries micromicrofarad preparation.
4, after prepared by single coating blade layer 2, cleaned up, entered the preparation of high antifriction layer 5 as early as possible.
5, add in another groove plating solution by the diamond particles (superhard particulate 6) of surface cationic, after ultrasonic disperse, Keep agitation plating solution, ensures particle suspension.
6, the circular band saw of the 3rd step moistened surface is put into aqueduct, after soaking 10min, switch on power.
7, be 0.5A/dm in current density
2~ 0.6A/dm
2, temperature is under the process conditions of 45 ± 5 DEG C, and on electrodeposit metals layer 4, high antifriction layer 5 is prepared in plating, thus forms the blade layer 2 with composite deposite.
8, laggard luggage decorations and quality inspection has been prepared.
Claims (10)
1. there is the diamond cutting tool of composite structure plating, comprise matrix (1) and blade layer (2), described blade layer (2) comprises the electrodeposit metals layer (4) being connected with superhard coarse grain (3), it is characterized in that: the upper painting of described electrodeposit metals layer (4) is coated with high antifriction layer (5), be inlaid with superhard particulate (6) in described high antifriction layer (5), electrodeposit metals layer (4) and high antifriction layer (5) form the composite structure plating of blade layer (2).
2. there is the diamond cutting tool of composite structure plating according to claim 1, it is characterized in that: Li Jing≤200 μm of described superhard coarse grain (3), Li Jing≤50 μm of described superhard particulate (6).
3. there is the diamond cutting tool of composite structure plating according to claim 2, it is characterized in that: plate requirement for reaching to superhard coarse grain (3), the thickness of described high antifriction layer (5) is 30 μm ~ 40 μm.
4. according to the diamond cutting tool described in any one in claims 1 to 3 with composite structure plating, it is characterized in that: described superhard coarse grain (3) and superhard particulate (6) are diamond or are polycrystalline cubic boron nitride.
5. according to the diamond cutting tool described in any one in claims 1 to 3 with composite structure plating, its special type is: described electrodeposit metals layer (4) is with nickel sulfamic acid be main salt nickel or nickel cobalt (alloy).
6. there is the diamond cutting tool preparation method of composite structure plating, it is characterized in that taking following processing step:
1., the surface preparation of superhard coarse grain (3) and superhard particulate (6), required superhard coarse grain (3) and superhard particulate (6) are placed in after alkaline solution removes surperficial grease, wash with clear water, then concentrated hydrochloric acid and red fuming nitric acid (RFNA) that volume ratio is 3:1 is placed in, after removing the metal oxide on superhard coarse grain (3) and superhard particulate (6) surface, wash with clear water;
2., superhard coarse grain (3) and superhard particulate (6) surface cationic, superhard coarse grain (3) after first step process and superhard particulate (6) are placed in cationic surface active agent solution, cationic surface active agent solution is applied to the positive potential of 0.1 ~ 0.2V, the cation of cationic surface active agent, under the effect of electrophoresis, forms the film of one deck with positive charge at superhard coarse grain (3) and superhard particulate (6) surface;
3., adopt and bury micromicrofarad prepare electrodeposit metals layer (4) on matrix (1), and by superhard coarse grain (3) isotropic consolidation of surface cationic in electrodeposit metals layer (4);
4., stirring plating solution continuously makes superhard particulate (6) in suspended state, at the upper electroplating deposition high antifriction layer (5) of electrodeposit metals layer (4), and the superhard particulate (6) of surface cationic is evenly embedded in high antifriction layer (5), electrodeposit metals layer (4) and high antifriction layer (5) form the composite structure plating of blade layer (2) jointly.
7. have the diamond cutting tool preparation method of composite structure plating according to claim 6, its special type is that described electrodeposit metals layer (4) electroplating technique parameter is: current density is 0.8A/dm
2~ 1.0A/dm
2, temperature is 45 ± 5 DEG C; Described high antifriction layer (5) electroplating technique parameter is: current density is 0.5A/dm
2~ 0.6A/dm
2, temperature is 45 ± 5 DEG C.
8. there is the diamond cutting tool of composite structure plating according to claim 6 or 7, it is characterized in that: described electrodeposit metals layer (4) is with nickel sulfamic acid be main salt nickel or nickel cobalt (alloy).
9. there is the diamond cutting tool preparation method of composite structure plating according to claim 6 or 7, it is characterized in that: Li Jing≤200 μm of described superhard coarse grain (3), Li Jing≤50 μm of described superhard particulate (6).
10. there is the diamond cutting tool preparation method of composite structure plating according to claim 6 or 7, it is characterized in that: plate requirement for reaching to superhard coarse grain (3), the thickness of described high antifriction layer (5) is 30 μm ~ 40 μm.
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|---|---|---|---|
| CN201410497254.9A CN104290199B (en) | 2014-09-25 | 2014-09-25 | Diamond cutting tool with composite structure plating and preparation method thereof |
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| CN104290199B CN104290199B (en) | 2017-07-07 |
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Cited By (8)
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| CN105196196A (en) * | 2015-09-22 | 2015-12-30 | 郑州磨料磨具磨削研究所有限公司 | Electroplated diamond grinding wheel capable of orderly arranging abrasive materials |
| WO2018084811A1 (en) * | 2016-11-07 | 2018-05-11 | Jcs Group Pte Ltd | A cutting wire and method of manufacture |
| CN108747874A (en) * | 2018-05-31 | 2018-11-06 | 芜湖昌菱金刚石工具有限公司 | A kind of scuff-resistant coating diamond composite and preparation method thereof |
| CN109183079A (en) * | 2018-08-14 | 2019-01-11 | 华侨大学 | A kind of preparation method of high self-sharpening metal-base diamond cutting sheet |
| CN109290970A (en) * | 2018-10-31 | 2019-02-01 | 张家港智慧清洁技术研究院有限公司 | A kind of electroplated diamond abrasive band of combination grain and preparation method thereof |
| CN111593374A (en) * | 2020-07-01 | 2020-08-28 | 信丰崇辉科技有限公司 | Electroplating solution for diamond cutting wire and preparation method thereof |
| CN112725856A (en) * | 2020-12-20 | 2021-04-30 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Diamond drill bit with long service life and preparation method thereof |
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| CN109183079B (en) * | 2018-08-14 | 2020-09-04 | 华侨大学 | Preparation method of high-self-sharpening metal-based diamond cutting blade |
| CN109290970A (en) * | 2018-10-31 | 2019-02-01 | 张家港智慧清洁技术研究院有限公司 | A kind of electroplated diamond abrasive band of combination grain and preparation method thereof |
| CN109290970B (en) * | 2018-10-31 | 2021-06-01 | 张家港智慧清洁技术研究院有限公司 | Preparation method of electroplated diamond abrasive belt with mixed particle size |
| CN111593374A (en) * | 2020-07-01 | 2020-08-28 | 信丰崇辉科技有限公司 | Electroplating solution for diamond cutting wire and preparation method thereof |
| CN112725856A (en) * | 2020-12-20 | 2021-04-30 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Diamond drill bit with long service life and preparation method thereof |
| CN115213824A (en) * | 2021-04-16 | 2022-10-21 | 王军林 | High-performance diamond tool containing wear-resistant matrix layer |
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