CN104148642B - Rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade and manufacture method thereof - Google Patents
Rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade and manufacture method thereof Download PDFInfo
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Abstract
The invention discloses a kind of rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade and manufacture method thereof, fully mixed with rare earth modified tungsten based anchoring agent by diamond dust, this rare earth modified tungsten based anchoring agent comprises 40 ~ 75 parts, tungsten, 2 ~ 6 parts, nickel, iron 2 ~ 5 parts, 8 ~ 30 parts, tin, copper 7 ~ 20 parts, 0.4 ~ 1 part, manganese, 0.1 ~ 1 part, rare earth element; After said mixture cold moudling, at 900 ~ 960 DEG C, carry out vacuum heating-press sintering under 90 ~ 200KN 25 ~ 35 minutes; Subsequently at 840 ~ 900 DEG C, carry out HIP sintering under 80 ~ 120MPa 5 ~ 10 minutes, obtain diamond ultra-thin saw blade crude product; Diamond ultra-thin saw blade crude product is repaired, obtains diamond ultra-thin saw blade finished product.The present invention can significantly improve the hold of diamond particles, increases the wearability of diamond ultra-thin saw blade, thus improves processing characteristics and diamond ultra-thin saw life.
Description
Technical field
The present invention relates to a kind of rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade and manufacture method thereof.
Background technology
Diamond ultra-thin saw blade dinger thickness degree, at below 1.0mm, has high-precision diamond saw blade, and its cutter seam is narrow, is conducive to saving precious materials in cutting process, is widely used in the cutting of the photoelectric material such as silicon, carborundum.Conventional diamond ultra-thin saw blade comprises ferrous metals binder diamond ultrathin saw bit and cobalt-based metal-bonded diamond ultrathin saw bit.Iron-based diamond ultra-thin saw blade has higher mechanical property, also has good wetability to diamond, and with low cost, but its self-sharpening is not good enough; And cobalt-based diamond ultra-thin saw blade has good formability and sinterability, good to adamantine wetability, cohesive force is large, good toughness, self-sharpening might as well, it is the most widely used a kind of metallic bond in diamond tool field, but the diamond on cobalt-based diamond ultra-thin saw blade holds by mechanical system, diamond particles is caused exposure effectively not cut completely, but also its severe attrition can be made because of the effect of pulling capacity, make diamond particles obscission serious, affect cutting efficiency and the service life of diamond ultra-thin saw blade.In metallic bond, add a small amount of tungsten powder sometimes, this is because tungsten is except producing except admittedly molten strengthening with other metals, or carbide, can react with diamond and produce enhanced primary treatment power, just mechanically diamond is wrapped up with general metallic bond and comparing with chimeric, the generation of enhanced primary treatment power is conducive to improving to the adamantine power of plating, strengthens hold, therefore can estimate that tungsten based anchoring agent diamond ultra-thin saw blade will have excellent performance.But the fusing point of tungsten is up to 3940 DEG C, the ability that temperature required for sintering using tungsten as metallic bond is born considerably beyond diamond, easily cause the graphitization of diamond particles, what therefore all adopt at present mostly is the relatively low tungsten carbide-base bonding agent of sintering temperature, and simple tungsten based anchoring agent have not been reported.But tungsten carbide-base bonding agent on the one hand W elements itself forms carbide, and the effect that itself and diamond produce enhanced primary treatment power is weakened; Sintering temperature on the other hand needed for tungsten carbide-base bonding agent is still higher, to be only suitable for heat resistance good diamond with the use of, cost is higher, and range of application is narrow.Therefore, if the high problem of tungsten based anchoring agent sintering temperature can be solved, the new gate of a fan will be opened for the manufacturing technology of diamond ultra-thin saw blade.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, provide a kind of rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade and manufacture method thereof.
One of the technical solution adopted for the present invention to solve the technical problems is:
A kind of rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade manufacture method, comprising:
1) fully mixed with rare earth modified tungsten based anchoring agent by diamond dust, this rare earth modified tungsten based anchoring agent comprises following component by mass fraction: 40 ~ 75 parts, tungsten, 2 ~ 6 parts, nickel, iron 2 ~ 5 parts, 8 ~ 30 parts, tin, copper 7 ~ 20 parts, 0.4 ~ 1 part, manganese, 0.1 ~ 1 part, rare earth element;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 900 ~ 960 DEG C, sintering pressure 90 ~ 200KN, sintering time 25 ~ 35 minutes;
3) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 840 ~ 900 DEG C, sintering pressure 80 ~ 120MPa, sintering time 5 ~ 10 minutes, obtain diamond ultra-thin saw blade crude product;
4) diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.
In one embodiment: described diamond dust is artificial monocrystalline diamond powder, and its diamond concentration is 75% ~ 125%, and granularity is W40 ~ W5.
In one embodiment: described rare earth element is at least one in the compound of lanthanum or lanthanum.
In one embodiment: the compound of described lanthanum is at least one in lanthana, lanthanum sulfate, lanthanum nitrate, lanthanum chloride.
Two of the technical solution adopted for the present invention to solve the technical problems is:
A kind of rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade manufactured according to rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade manufacture method.
Diamond concentration of the present invention is industry slang, refers to adamantine quality in unit volume metallic bond, with 4.4 carats/centimetre
3for diamond concentration 100%.
Artificial single crystal's diamond dust described in the present invention is product sold in the market.
Tungsten described in the present invention, nickel, iron, tin, copper, manganese are elemental metals powder, are product sold in the market.
Lanthanum described in the present invention, lanthana, lanthanum sulfate, lanthanum nitrate, lanthanum chloride are product sold in the market.
The technical program is compared with background technology, and its tool has the following advantages:
1. rare earth modified tungsten based anchoring agent provided by the present invention, each component complements each other, by the scope that sintering temperature is reduced to diamond can bears from nearly 4,000 degrees Celsius, solve tungsten based anchoring agent all the time and be difficult to the defect of practical application because sintering temperature is high, successfully achieve the manufacture of tungsten based anchoring agent diamond ultra-thin saw blade, and utilize tungsten and diamond to react the enhanced primary treatment power produced, improve the hold of diamond particles on diamond ultra-thin saw blade, the diamond ultra-thin saw blade hardness obtained is high, cutting force is strong, wear-resistant, the new situation has been started in manufacture for high-performance diamond ultrathin saw bit.
2. the present invention adds rare earth element in tungsten based anchoring agent, there is the effect controlling corrupt split grain growth, and have employed the compound of rare earth element in the preferred embodiment, grain size controllability is better, the metallic bond crystal grain obtained can not be excessive or too small, particle diameter is more stable, enhance hardness and the toughness of diamond ultra-thin saw blade, also improve anti-wear performance and impact resistance, effect is better than rare earth element simple substance, further provides the new approaches of high-performance diamond ultrathin saw bit manufacture method.
Detailed description of the invention
Content of the present invention is illustrated below by embodiment:
Embodiment 1
1) rare earth modified tungsten based anchoring agent is prepared: in this rare earth modified tungsten based anchoring agent gross mass, comprise following component: tungsten 75%, nickel 5%, iron 4%, tin 8%, copper 7%, manganese 0.5%, lanthana 0.5%, after said components fully mixes, utilize high-energy ball milling grind evenly and get final product; Be that artificial single crystal's diamond dust of W40 fully mixes with above-mentioned rare earth modified tungsten based anchoring agent by diamond concentration 100% by granularity;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 950 DEG C, sintering pressure 100KN, sintering time 30 minutes;
3) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 850 DEG C, sintering pressure 90MPa, sintering time 7 minutes, obtain diamond ultra-thin saw blade crude product;
4) with diamond roller and oilstone, diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.Adopt the heavy method of water to detect the density of this diamond ultra-thin saw blade, adopt Rockwell apparatus to detect the hardness of this diamond ultra-thin saw blade, after tested, its density is 95%, and hardness is HRC (Rockwell hardness) 64.9.
Embodiment 2
1) rare earth modified tungsten based anchoring agent is prepared: in this rare earth modified tungsten based anchoring agent gross mass, comprise following component: tungsten 70%, nickel 5%, iron 4%, tin 11%, copper 9%, manganese 0.5%, lanthana 0.5%, after said components fully mixes, utilize high-energy ball milling grind evenly and get final product; Be that artificial single crystal's diamond dust of W40 fully mixes with above-mentioned rare earth modified tungsten based anchoring agent by diamond concentration 100% by granularity;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 950 DEG C, sintering pressure 100KN, sintering time 30 minutes;
3) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 850 DEG C, sintering pressure 90MPa, sintering time 7 minutes, obtain diamond ultra-thin saw blade crude product;
4) with diamond roller and oilstone, diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.Adopt the heavy method of water to detect the density of this diamond ultra-thin saw blade, adopt Rockwell apparatus to detect the hardness of this diamond ultra-thin saw blade, after tested, its density is 95%, and hardness is HRC64.5.
Embodiment 3
1) rare earth modified tungsten based anchoring agent is prepared: in this rare earth modified tungsten based anchoring agent gross mass, comprise following component: tungsten 60%, nickel 5%, iron 4%, tin 17%, copper 13%, manganese 0.5%, lanthana 0.5%, after said components fully mixes, utilize high-energy ball milling grind evenly and get final product; Be that artificial single crystal's diamond dust of W40 fully mixes with above-mentioned rare earth modified tungsten based anchoring agent by diamond concentration 100% by granularity;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 950 DEG C, sintering pressure 100KN, sintering time 30 minutes;
3) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 850 DEG C, sintering pressure 90MPa, sintering time 7 minutes, obtain diamond ultra-thin saw blade crude product;
4) with diamond roller and oilstone, diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.Adopt the heavy method of water to detect the density of this diamond ultra-thin saw blade, adopt Rockwell apparatus to detect the hardness of this diamond ultra-thin saw blade, after tested, its density is 96%, and hardness is HRC65.1.
Embodiment 4
1) rare earth modified tungsten based anchoring agent is prepared: in this rare earth modified tungsten based anchoring agent gross mass, comprise following component: tungsten 55%, nickel 5%, iron 4%, tin 20%, copper 15%, manganese 0.5%, lanthana 0.5%, after said components fully mixes, utilize high-energy ball milling grind evenly and get final product; Be that artificial single crystal's diamond dust of W40 fully mixes with above-mentioned rare earth modified tungsten based anchoring agent by diamond concentration 100% by granularity;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 950 DEG C, sintering pressure 100KN, sintering time 30 minutes;
3) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 850 DEG C, sintering pressure 90MPa, sintering time 7 minutes, obtain diamond ultra-thin saw blade crude product;
4) with diamond roller and oilstone, diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.Adopt the heavy method of water to detect the density of this diamond ultra-thin saw blade, adopt Rockwell apparatus to detect the hardness of this diamond ultra-thin saw blade, after tested, its density is 97%, and hardness is HRC65.2.
Embodiment 5
1) rare earth modified tungsten based anchoring agent is prepared: in this rare earth modified tungsten based anchoring agent gross mass, comprise following component: tungsten 40%, nickel 5%, iron 4%, tin 30%, copper 20%, manganese 0.5%, lanthana 0.5%, after said components fully mixes, utilize high-energy ball milling grind evenly and get final product; Be that artificial single crystal's diamond dust of W40 fully mixes with above-mentioned rare earth modified tungsten based anchoring agent by diamond concentration 100% by granularity;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 950 DEG C, sintering pressure 100KN, sintering time 30 minutes;
3) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 850 DEG C, sintering pressure 90MPa, sintering time 7 minutes, obtain diamond ultra-thin saw blade crude product;
4) with diamond roller and oilstone, diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.Adopt the heavy method of water to detect the density of this diamond ultra-thin saw blade, adopt Rockwell apparatus to detect the hardness of this diamond ultra-thin saw blade, after tested, its density is 97%, and hardness is HRC64.2.
Embodiment 6
1) rare earth modified tungsten based anchoring agent is prepared: in this rare earth modified tungsten based anchoring agent gross mass, comprise following component: tungsten 65%, nickel 2%, iron 5%, tin 15%, copper 10%, manganese 0.7%, lanthanum chloride 0.1%, after said components fully mixes, utilize high-energy ball milling grind evenly and get final product; Be that artificial single crystal's diamond dust of W5 fully mixes with above-mentioned rare earth modified tungsten based anchoring agent by diamond concentration 75% by granularity;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 930 DEG C, sintering pressure 150KN, sintering time 25 minutes;
3) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 900 DEG C, sintering pressure 120MPa, sintering time 5 minutes, obtain diamond ultra-thin saw blade crude product;
4) with diamond roller and oilstone, diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.Adopt the heavy method of water to detect the density of this diamond ultra-thin saw blade, adopt Rockwell apparatus to detect the hardness of this diamond ultra-thin saw blade, after tested, its density is 95%, and hardness is HRC64.3.
Embodiment 7
1) rare earth modified tungsten based anchoring agent is prepared: in this rare earth modified tungsten based anchoring agent gross mass, comprise following component: tungsten 50%, nickel 4%, iron 2%, tin 25%, copper 18%, manganese 1%, lanthanum sulfate 1%, after said components fully mixes, utilize high-energy ball milling grind evenly and get final product; Be that artificial single crystal's diamond dust of W20 fully mixes with above-mentioned rare earth modified tungsten based anchoring agent by diamond concentration 125% by granularity;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 900 DEG C, sintering pressure 200KN, sintering time 35 minutes;
4) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 870 DEG C, sintering pressure 100MPa, sintering time 10 minutes, obtain diamond ultra-thin saw blade crude product;
4) with diamond roller and oilstone, diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.Adopt the heavy method of water to detect the density of this diamond ultra-thin saw blade, adopt Rockwell apparatus to detect the hardness of this diamond ultra-thin saw blade, after tested, its density is 95%, and hardness is HRC64.6.
In above embodiment, be up to criterion with diamond ultra-thin saw blade density and hardness, embodiment 4 effect is better.
The above, be only present pre-ferred embodiments, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (4)
1. a rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade manufacture method, is characterized in that: comprising:
1) fully mixed with rare earth modified tungsten based anchoring agent by diamond dust, this rare earth modified tungsten based anchoring agent comprises following component by mass fraction: 40 ~ 75 parts, tungsten, 2 ~ 6 parts, nickel, iron 2 ~ 5 parts, 8 ~ 30 parts, tin, copper 7 ~ 20 parts, 0.4 ~ 1 part, manganese, 0.1 ~ 1 part, rare earth element; Described diamond dust is artificial monocrystalline diamond powder, and its diamond concentration is 75% ~ 125%, and granularity is W40 ~ W5;
2) according to the difference of required diamond ultra-thin saw blade geometric shape, after utilizing corresponding mould that said mixture is carried out cold moudling, vacuum heating-press sintering is carried out, sintering temperature 900 ~ 960 DEG C, sintering pressure 90 ~ 200KN, sintering time 25 ~ 35 minutes;
3) after vacuum heating-press sintering, carry out HIP sintering, sintering temperature 840 ~ 900 DEG C, sintering pressure 80 ~ 120MPa, sintering time 5 ~ 10 minutes, obtain diamond ultra-thin saw blade crude product;
4) diamond ultra-thin saw blade crude product is repaired, obtain diamond ultra-thin saw blade finished product.
2. one according to claim 1 rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade manufacture method, is characterized in that: described rare earth element is at least one in the compound of lanthanum or lanthanum.
3. one according to claim 2 rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade manufacture method, is characterized in that: the compound of described lanthanum is at least one in lanthana, lanthanum sulfate, lanthanum nitrate, lanthanum chloride.
4. the rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade of an a kind of rare earth modified tungsten based anchoring agent diamond ultra-thin saw blade manufacture method manufacture according to claim 1.
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| CN104440620B (en) * | 2014-11-24 | 2017-02-08 | 华侨大学 | Method for manufacturing diamond ultra-thin abrasive cutting wheel |
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| FR2784690B1 (en) * | 1998-10-16 | 2001-10-12 | Eurotungstene Poudres | MICRONIC METAL POWDERS BASED ON TUNGSTENE AND / OR MOLYBDENE AND 3D TRANSITION MATERIALS |
| CN101518890A (en) * | 2009-03-18 | 2009-09-02 | 邓国川 | Method for producing diamond tool for grinding concrete floor |
| CN102974818B (en) * | 2012-12-19 | 2015-01-28 | 江西坚德实业有限公司 | Formula and manufacturing method for special diamond tool bit |
| CN103143725B (en) * | 2013-03-29 | 2015-08-12 | 赣州远驰新材料有限公司 | The preparation method of rare earth modified tungsten-base alloy powder |
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Effective date of registration: 20221123 Address after: Room 301, No. 1-59, Haixi Stone City, Shuitou Town, Nan'an City, Quanzhou City, Fujian Province, 362,000 Patentee after: Nan'an Huada Stone Industry Technology Research Institute Address before: 362000 east of Quanzhou City, Fujian Province Patentee before: HUAQIAO University |