CN104175237B - Rare earth modified tungstenio binder diamond emery wheel and manufacture method thereof - Google Patents
Rare earth modified tungstenio binder diamond emery wheel and manufacture method thereof Download PDFInfo
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- CN104175237B CN104175237B CN201410355427.3A CN201410355427A CN104175237B CN 104175237 B CN104175237 B CN 104175237B CN 201410355427 A CN201410355427 A CN 201410355427A CN 104175237 B CN104175237 B CN 104175237B
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Abstract
The invention discloses a kind of rare earth modified tungstenio binder diamond emery wheel and manufacture method thereof, being sufficiently mixed with rare earth modified tungstenio bonding agent by diamond dust, this rare earth modified tungstenio bonding agent comprises tungsten 40～75 parts, nickel 2～6 parts, ferrum 2～5 parts, stannum 8～30 parts, copper 7～20 parts, manganese 0.4～1 part, rare earth element 0.1～1 part；After said mixture cold moudling, at 900～960 DEG C, under 140～200KN, carry out vacuum heating-press sintering 25～35 minutes；Subsequently at 840～900 DEG C, carry out under 80～120MPa HIP sintering 5～10 minutes, obtaining diamond-impregnated wheel carcass；Diamond-impregnated wheel carcass is installed on abrasive wheel substrate, obtains diamond-impregnated wheel.The present invention can significantly improve the hold of diamond particles, increases the wearability of diamond-impregnated wheel, thus improves processing characteristics and the service life of diamond-impregnated wheel.
Description
Technical field
The present invention relates to a kind of rare earth modified tungstenio binder diamond emery wheel and manufacture method thereof.
Background technology
Diamond-impregnated wheel is widely used in the polishing of concrete, stone material, floor coatings.Conventional diamond-impregnated wheel tire
Body includes iron-based and cobalt-based.Iron-based matrix has higher mechanical property, also has preferable wettability to diamond,
And with low cost, but its self-sharpening is not good enough；And cobalt-based carcass has good formability and sinterability, right
The wettability of diamond is good, and cohesive force is big, good toughness, self-sharpening, is that diamond tool field is applied
Wide a kind of carcass, but the diamond on cobalt-based carcass holds by mechanical system, causes the diamond particles can not
Exposure completely is effectively cut, but also can make its severe attrition because of the effect of pulling capacity so that diamond
Abscission phenomenon is serious, affects grinding efficiency and the service life of diamond-impregnated wheel.Manufacturing the metal knot of carcass
In mixture, add a small amount of tungsten powder sometimes, this is because tungsten is except producing solid molten strengthening with other metals
Outward, or carbide, can react with diamond and produce enhanced primary treatment power, with one
As metallic bond simply the most mechanically diamond parcel is compared with chimeric, having of enhanced primary treatment power
It is beneficial to improve carcass diamond plates power, strengthens hold, it is therefore contemplated that tungstenio binder diamond
Emery wheel will have the performance of excellence.But the fusing point of tungsten is up to 3940 DEG C, burns using tungsten as metallic bond
The ability that temperature required for knot is born considerably beyond diamond, is easily caused the graphitization of diamond particles,
Therefore mostly the tungsten carbide-base bonding agent that sintering temperature is relatively low, simple metal tungstenio are all used at present
Bonding agent have not been reported.But tungsten carbide-base bonding agent on the one hand wolfram element itself has formed carbide, its with
The effect that diamond produces enhanced primary treatment power is weakened；On the other hand the sintering needed for tungsten carbide-base bonding agent
Temperature is the highest, be only suitable for diamond preferable with heat resistance with the use of, relatively costly, range of application
Narrow.Therefore, if the problem that tungsten based anchoring agent sintering temperature is high can be solved, it will for the system of diamond-impregnated wheel
The technology of making opens the gate that a fan is new.
Summary of the invention
In place of it is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of rare earth modified tungstenio combines
Agent diamond-impregnated wheel 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 tungstenio binder diamond emery wheel manufacture method, including:
1) being sufficiently mixed with rare earth modified tungstenio bonding agent by diamond dust, this rare earth modified tungstenio bonding agent is pressed
Mass fraction comprises following components: tungsten 40～75 parts, nickel 2～6 parts, ferrum 2～5 parts, stannum 8～30 parts, copper
7～20 parts, manganese 0.4～1 part, rare earth element 0.1～1 part；
2) utilize corresponding mould by after said mixture cold moudling by the profile of required diamond-impregnated wheel carcass, enter
Row vacuum heating-press sintering, sintering temperature 900～960 DEG C, sintering pressure 140～200KN, sintering time 25～
35 minutes；
3), after vacuum heating-press sintering, HIP sintering, sintering temperature 840～900 DEG C, sintering pressure are carried out
80～120MPa, sintering time 5～10 minutes, obtain diamond-impregnated wheel carcass；
4) diamond-impregnated wheel carcass is installed on abrasive wheel substrate, obtains diamond-impregnated wheel.
In one embodiment: described diamond dust is artificial monocrystalline diamond powder, and its diamond concentration is
50%～100%, granularity is 35/40～170/200.
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 be in lanthana, lanthanum sulfate, Lanthanum (III) nitrate, lanthanum chloride at least
A kind of.
In one embodiment: described step 4) in, diamond-impregnated wheel carcass is welded on abrasive wheel substrate, obtains
Diamond-impregnated wheel.
In one embodiment: described step 4) in, by diamond-impregnated wheel carcass at 900～960 DEG C, 140～200KN
Under conditions of hot pressed sintering on abrasive wheel substrate, obtain diamond-impregnated wheel.
The two of the technical solution adopted for the present invention to solve the technical problems are:
A kind of rare earth modified tungstenio manufactured according to rare earth modified tungstenio binder diamond emery wheel manufacture method combines
Agent diamond-impregnated wheel.
Diamond concentration of the present invention is industry slang, refers to the matter of diamond in unit volume metallic bond
Amount, with 4.4 carats/centimetre3For diamond concentration 100%.
Carcass of the present invention is industry slang, refers to the metal sinter of trapping gold hard rock, plays holding Buddha's warrior attendant
The effect of stone, as the working portion in diamond tool, such as cutter head, working lining etc..
Heretofore described artificial single crystal's diamond dust is product sold in the market.
Heretofore described tungsten, nickel, ferrum, stannum, copper, manganese are elemental metals powder, are existing market
Upper product sold.
Heretofore described lanthanum, lanthana, lanthanum sulfate, Lanthanum (III) nitrate, lanthanum chloride are and sell in the market
Product.
The technical program is compared with background technology, and it has the advantage that
Rare earth modified tungstenio bonding agent the most provided by the present invention, each component complements each other, by sintering temperature from closely
4000 degrees Celsius are reduced to the scope that diamond can bear, solve all the time tungstenio bonding agent because of sintering temperature
High and be difficult to the defect of actual application, it is successfully realized the manufacture of tungstenio binder diamond emery wheel, and utilizes tungsten
React, with diamond, the enhanced primary treatment power produced, improve diamond particles on diamond-impregnated wheel carcass
Hold, the diamond-impregnated wheel hardness obtained is high, and cutting force is strong, wear-resistant, for high-performance diamond emery wheel
The new situation has been started in manufacture.
2. the present invention adds rare earth element in tungstenio bonding agent, has and controls what metallic bond crystal grain was grown up
Effect, and have employed the compound of rare earth element in the preferred embodiment, grain size controllability is more
Good, the metallic bond crystal grain obtained will not be excessive or too small, and particle diameter is more stable, enhances diamond-impregnated wheel
Hardness and toughness, also improve anti-wear performance and impact resistance, and effect is more preferable than rare earth element simple substance, enters one
Step provides the new approaches of high-performance diamond emery wheel manufacture method.
Detailed description of the invention
Present disclosure is illustrated below by embodiment:
Embodiment 1
1) rare earth modified tungstenio bonding agent is prepared: in terms of this rare earth modified tungstenio bonding agent gross mass, comprise following
Component: tungsten 75%, nickel 5%, ferrum 4%, stannum 8%, copper 7%, manganese 0.5%, lanthana 0.5%, said components is filled
High-energy ball milling is utilized to grind uniformly and get final product after dividing mixing；By artificial single crystal's diamond dust that granularity is 40/50 by
Diamond concentration 75% is sufficiently mixed with above-mentioned rare earth modified tungstenio bonding agent；
2) utilize corresponding mould by after said mixture cold moudling by the profile of required diamond-impregnated wheel carcass, enter
Row vacuum heating-press sintering, sintering temperature 950 DEG C, sintering pressure 150KN, sintering time 30 minutes；
3), after vacuum heating-press sintering, HIP sintering is carried out, sintering temperature 850 DEG C, sintering pressure 90MPa,
Sintering time 7 minutes, obtains diamond-impregnated wheel carcass；
4) diamond-impregnated wheel carcass is welded on abrasive wheel substrate, obtains diamond-impregnated wheel.Use water weight method detection
The consistency of this diamond-impregnated wheel, after tested, its consistency reaches more than 98%.
Embodiment 2
1) rare earth modified tungstenio bonding agent is prepared: in terms of this rare earth modified tungstenio bonding agent gross mass, comprise following
Component: tungsten 70%, nickel 5%, ferrum 4%, stannum 11%, copper 9%, manganese 0.5%, lanthana 0.5%, said components
High-energy ball milling is utilized to grind uniformly and get final product after being sufficiently mixed；By artificial single crystal's diamond dust that granularity is 40/50
It is sufficiently mixed with above-mentioned rare earth modified tungstenio bonding agent by diamond concentration 75%；
2) utilize corresponding mould by after said mixture cold moudling by the profile of required diamond-impregnated wheel carcass, enter
Row vacuum heating-press sintering, sintering temperature 950 DEG C, sintering pressure 150KN, sintering time 30 minutes；
3), after vacuum heating-press sintering, HIP sintering is carried out, sintering temperature 850 DEG C, sintering pressure 90MPa,
Sintering time 7 minutes, obtains diamond-impregnated wheel carcass；
4) diamond-impregnated wheel carcass is welded on abrasive wheel substrate, obtains diamond-impregnated wheel.Use water weight method detection
The consistency of this diamond-impregnated wheel, after tested, its consistency reaches more than 98%.
Embodiment 3
1) rare earth modified tungstenio bonding agent is prepared: in terms of this rare earth modified tungstenio bonding agent gross mass, comprise following
Component: tungsten 60%, nickel 5%, ferrum 4%, stannum 17%, copper 13%, manganese 0.5%, lanthana 0.5%, said components
High-energy ball milling is utilized to grind uniformly and get final product after being sufficiently mixed；By artificial single crystal's diamond dust that granularity is 40/50
It is sufficiently mixed with above-mentioned rare earth modified tungstenio bonding agent by diamond concentration 75%；
2) utilize corresponding mould by after said mixture cold moudling by the profile of required diamond-impregnated wheel carcass, enter
Row vacuum heating-press sintering, sintering temperature 950 DEG C, sintering pressure 150KN, sintering time 30 minutes；
3), after vacuum heating-press sintering, HIP sintering is carried out, sintering temperature 850 DEG C, sintering pressure 90MPa,
Sintering time 7 minutes, obtains diamond-impregnated wheel carcass；
4) diamond-impregnated wheel carcass is welded on abrasive wheel substrate, obtains diamond-impregnated wheel.Use water weight method detection
The consistency of this diamond-impregnated wheel, after tested, its consistency reaches more than 98%.
Embodiment 4
1) rare earth modified tungstenio bonding agent is prepared: in terms of this rare earth modified tungstenio bonding agent gross mass, comprise following
Component: tungsten 55%, nickel 5%, ferrum 4%, stannum 20%, copper 15%, manganese 0.5%, lanthana 0.5%, said components
High-energy ball milling is utilized to grind uniformly and get final product after being sufficiently mixed；By artificial single crystal's diamond dust that granularity is 40/50
It is sufficiently mixed with above-mentioned rare earth modified tungstenio bonding agent by diamond concentration 75%；
2) utilize corresponding mould by after said mixture cold moudling by the profile of required diamond-impregnated wheel carcass, enter
Row vacuum heating-press sintering, sintering temperature 950 DEG C, sintering pressure 150KN, sintering time 30 minutes；
3), after vacuum heating-press sintering, HIP sintering is carried out, sintering temperature 850 DEG C, sintering pressure 90MPa,
Sintering time 7 minutes, obtains diamond-impregnated wheel carcass；
4) diamond-impregnated wheel carcass is welded on abrasive wheel substrate, obtains diamond-impregnated wheel.Use water weight method detection
The consistency of this diamond-impregnated wheel, after tested, its consistency reaches more than 98%.
Embodiment 5
1) rare earth modified tungstenio bonding agent is prepared: in terms of this rare earth modified tungstenio bonding agent gross mass, comprise following
Component: tungsten 40%, nickel 5%, ferrum 4%, stannum 30%, copper 20%, manganese 0.5%, lanthana 0.5%, said components
High-energy ball milling is utilized to grind uniformly and get final product after being sufficiently mixed；By artificial single crystal's diamond dust that granularity is 40/50
It is sufficiently mixed with above-mentioned rare earth modified tungstenio bonding agent by diamond concentration 75%；
2) utilize corresponding mould by after said mixture cold moudling by the profile of required diamond-impregnated wheel carcass, enter
Row vacuum heating-press sintering, sintering temperature 950 DEG C, sintering pressure 150KN, sintering time 30 minutes；
3), after vacuum heating-press sintering, HIP sintering is carried out, sintering temperature 850 DEG C, sintering pressure 90MPa,
Sintering time 7 minutes, obtains diamond-impregnated wheel carcass；
4) diamond-impregnated wheel carcass is welded on abrasive wheel substrate, obtains diamond-impregnated wheel.Use water weight method detection
The consistency of this diamond-impregnated wheel, after tested, its consistency reaches more than 98%.
Embodiment 6
1) rare earth modified tungstenio bonding agent is prepared: in terms of this rare earth modified tungstenio bonding agent gross mass, comprise following
Component: tungsten 65%, nickel 2%, ferrum 5%, stannum 15%, copper 10%, manganese 0.7%, lanthanum chloride 0.1%, said components
High-energy ball milling is utilized to grind uniformly and get final product after being sufficiently mixed；By artificial single crystal's bortz powder that granularity is 170/200
End is sufficiently mixed with above-mentioned rare earth modified tungstenio bonding agent by diamond concentration 50%；
2) utilize corresponding mould by after said mixture cold moudling by the profile of required diamond-impregnated wheel carcass, enter
Row vacuum heating-press sintering, sintering temperature 930 DEG C, sintering pressure 150KN, sintering time 25 minutes；
3), after vacuum heating-press sintering, HIP sintering is carried out, sintering temperature 900 DEG C, sintering pressure 120MPa,
Sintering time 5 minutes, obtains diamond-impregnated wheel carcass；
4) by diamond-impregnated wheel carcass at 930 DEG C, under conditions of pressure 150KN, hot pressed sintering is at abrasive wheel substrate
On, obtain diamond-impregnated wheel.Using water weight method to detect the consistency of this diamond-impregnated wheel, after tested, it is fine and close
Degree reaches more than 98%.
Embodiment 7
1) rare earth modified tungstenio bonding agent is prepared: in terms of this rare earth modified tungstenio bonding agent gross mass, comprise following
Component: tungsten 50%, nickel 4%, ferrum 2%, stannum 25%, copper 18%, manganese 1%, lanthanum sulfate 1%, said components is abundant
High-energy ball milling is utilized to grind uniformly and get final product after mixing；By artificial single crystal's diamond dust down payment that granularity is 35/40
Hard rock concentration 100% is sufficiently mixed with above-mentioned rare earth modified tungstenio bonding agent；
2) utilize corresponding mould by after said mixture cold moudling by the profile of required diamond-impregnated wheel carcass, enter
Row vacuum heating-press sintering, sintering temperature 900 DEG C, sintering pressure 200KN, sintering time 35 minutes；
3), after vacuum heating-press sintering, HIP sintering is carried out, sintering temperature 870 DEG C, sintering pressure 100MPa,
Sintering time 10 minutes, obtains diamond-impregnated wheel carcass；
4) diamond-impregnated wheel carcass is welded on abrasive wheel substrate, obtains diamond-impregnated wheel.Use water weight method detection
The consistency of this diamond-impregnated wheel, after tested, its consistency reaches more than 98%.
The above, only present pre-ferred embodiments, therefore the scope that the present invention implements can not be limited according to this,
The equivalence change i.e. made according to the scope of the claims of the present invention and description and modification, all should still belong to the present invention and contain
In the range of.
Claims (7)
1. a rare earth modified tungstenio binder diamond emery wheel manufacture method, it is characterised in that: including:
1) diamond dust is sufficiently mixed with rare earth modified tungstenio bonding agent, this rare earth modified tungstenio bonding agent
Following components is comprised: tungsten 40～75 parts, nickel 2～6 parts, ferrum 2～5 parts, stannum 8～30 by mass fraction
Part, copper 7～20 parts, manganese 0.4～1 part, rare earth composition 0.1～1 part；
2) by the profile of required diamond-impregnated wheel carcass utilize corresponding mould by after said mixture cold moudling,
Carry out vacuum heating-press sintering, sintering temperature 900～960 DEG C, sintering pressure 140～200KN, sintering time
25～35 minutes；
3), after vacuum heating-press sintering, HIP sintering, sintering temperature 840～900 DEG C, sintering pressure are carried out
Power 80～120MPa, sintering time 5～10 minutes, obtain diamond-impregnated wheel carcass；
4) diamond-impregnated wheel carcass is installed on abrasive wheel substrate, obtains diamond-impregnated wheel.
One the most according to claim 1 rare earth modified tungstenio binder diamond emery wheel manufacture method,
It is characterized in that: described diamond dust is artificial monocrystalline diamond powder, and its diamond concentration be 50%～
100%, granularity is 35/40～170/200.
One the most according to claim 1 rare earth modified tungstenio binder diamond emery wheel manufacture method,
It is characterized in that: described rare earth composition is at least one in the compound of lanthanum or lanthanum.
One the most according to claim 3 rare earth modified tungstenio binder diamond emery wheel manufacture method,
It is characterized in that: the compound of described lanthanum is at least in lanthana, lanthanum sulfate, Lanthanum (III) nitrate, lanthanum chloride
Kind.
One the most according to claim 1 rare earth modified tungstenio binder diamond emery wheel manufacture method,
It is characterized in that: described step 4) in, diamond-impregnated wheel carcass is welded on abrasive wheel substrate, obtains gold
Hard rock emery wheel.
One the most according to claim 1 rare earth modified tungstenio binder diamond emery wheel manufacture method,
It is characterized in that: described step 4) in, by diamond-impregnated wheel carcass at 900～960 DEG C, 140～200KN
Under conditions of hot pressed sintering on abrasive wheel substrate, obtain diamond-impregnated wheel.
7. an one according to claim 1 rare earth modified tungstenio binder diamond emery wheel manufacturer
The rare earth modified tungstenio binder diamond emery wheel that method manufactures.
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105945737A (en) * | 2016-06-29 | 2016-09-21 | 北京沃尔德金刚石工具股份有限公司 | Brazing type diamond grinding wheel used for high-precision grinding and manufacturing method |
| CN111113271A (en) * | 2019-12-30 | 2020-05-08 | 无锡市星火金刚石工具有限公司 | Method for manufacturing diamond grinding wheel cutter |
| CN111216046B (en) * | 2020-02-14 | 2021-01-12 | 广东天一超硬材料有限公司 | Preparation method of rare earth doped diamond grinding wheel |
| CN115194156A (en) * | 2022-07-29 | 2022-10-18 | 鄂信钻石新材料股份有限公司 | Improved diamond alloy tool bit and preparation process thereof |
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Effective date of registration: 20221129 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 |