CN105773447A - Novel dry type machining grinding tool and preparation method thereof - Google Patents
Novel dry type machining grinding tool and preparation method thereof Download PDFInfo
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- CN105773447A CN105773447A CN201610352951.4A CN201610352951A CN105773447A CN 105773447 A CN105773447 A CN 105773447A CN 201610352951 A CN201610352951 A CN 201610352951A CN 105773447 A CN105773447 A CN 105773447A
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- bonding agent
- grinding tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
- B24D3/10—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements for porous or cellular structure, e.g. for use with diamonds as abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/0009—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for using moulds or presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/34—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties
- B24D3/342—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents characterised by additives enhancing special physical properties, e.g. wear resistance, electric conductivity, self-cleaning properties incorporated in the bonding agent
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention provides a novel dry type machining grinding tool. Raw materials of the novel dry type machining grinding tool include a high-temperature bonding agent, an ordinary bonding agent and an abrasive material. The high-temperature bonding agent includes Ni3Al powder. The ordinary bonding agent includes one or more of a nickel-based bonding agent, a copper-based bonding agent, an iron-based bonding agent and a cobalt-based bonding agent. According to the novel dry type machining grinding tool, the high-temperature sintering performance of the grinding tool can be improved through matching of the high-temperature bonding agent including the Ni3Al powder and the ordinary bonding agent, and the grinding tool can have higher hardness. In addition, the novel dry type machining grinding tool can have good oxidation resistance under the high-temperature condition, and meanwhile the yield strength of the grinding tool is improved along with temperature rise. The experiment result shows that the Rockwell hardness of the grinding tool is 93 HRB. The invention further provides a preparation method of the novel dry type machining grinding tool.
Description
Technical field
The invention belongs to Grinding Technology field, particularly relate to a kind of Novel dry processing grinding tool and preparation method thereof
Background technology
Diamond abrasive tool is widely used in the grinding of engineering ceramic material, crystalline material, semi-conducting material, Hardmetal materials and composite.At present in high-accuracy grinding field, domestic main employing metal-bonded diamond grinding tool, i.e. adopt metallic bond that diamond abrasive grains is bonded to an entirety, form grinding tool.It is strong that such grinding tool has adhesion, the features such as the grinding life-span is long, and shape retention is good.
The metallic bond used in diamond abrasive tool manufacture process mainly has: cuprio, cobalt-based, iron-based, Ni-based, tungstenio and Al-based agent etc..Wherein, cuprio, cobalt-based and iron-binding agent application are wider.Comparatively, bronze binding agent self-sharpening is poor, it is easy to blocking heating, finishing difficulty；The higher production cost height making diamond abrasive tool of the price of cobalt；Ferrum and cobalt belong to congeners, and Nature comparison is similar, cheap, but iron-holder more than 40% time, iron-binding agent is very sensitive to sintering temperature, very easily causes that the hardness of grinding tool declines because of underburnt and excessive erosion diamond.
Summary of the invention
The invention provides a kind of Novel dry processing grinding tool and preparation method thereof, the Novel dry processing grinding tool in the present invention has higher hardness, and cost is low.
The present invention provides a kind of Novel dry processing grinding tool, and its raw material includes high temperature adhesives, common bonding agent and abrasive material；
Described high temperature adhesives includes Ni3Al powder body；
Described common bonding agent includes one or more in Ni-based bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent.
Preferably, described high temperature adhesives also includes NiAl powder body.
Preferably, in described high temperature adhesives, Ni3The parts by weight of Al powder body are 50～100 parts；
The parts by weight of described NiAl powder body are 1～50 part.
Preferably, Ni in described high temperature adhesives3The particle diameter of Al powder body is 1～10 μm；
The particle diameter of described NiAl powder body is 1～10 μm.
Preferably, described common bonding agent accounts for the 1～20% of high temperature adhesives and common bonding agent gross mass.
Preferably, described abrasive material includes diamond and/or cubic boron nitride.
Preferably, the particle diameter of described abrasive material is 20～180 orders.
Preferably, processing in grinding tool at described Novel dry, the volume fraction of described abrasive material is 7.25～50%.
The preparation method that the present invention provides a kind of Novel dry processing grinding tool, comprises the following steps:
A) high temperature adhesives, common bonding agent and abrasive material are mixed laggard row ball milling, obtain grinding tool compound；Described high temperature adhesives includes Ni3Al powder body；
One or more in the described Ni-based bonding agent of common bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent；
B) described grinding tool compound is carried out cold moudling, obtain base substrate；
C) described base substrate is sintered, obtains Novel dry processing grinding tool.
Preferably, the temperature of described sintering is 700～1100 DEG C；
The time of described sintering is 5～30min；
The pressure of described sintering is 20～100MPa.
The present invention provides a kind of Novel dry processing grinding tool, and its raw material includes high temperature adhesives, common bonding agent and abrasive material；Described high temperature adhesives includes Ni3Al powder body；Described common bonding agent includes one or more in Ni-based bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent.The present invention is to include Ni3The high temperature adhesives of Al powder body and the collocation of common bonding agent, it is possible to increase the high temperature sintering performance of grinding tool, and make grinding tool have higher hardness.And, Novel dry processing grinding tool in the present invention can have good non-oxidizability when high temperature, its yield strength improves along with the rising of temperature simultaneously, it is adaptable to the High-speed machining process of the course of processing of few cooling, dry-type processing process or various difficult processing hard brittle material and metal material.Test result indicate that, the grinding tool Rockwell hardness in the present invention is 93HRB.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 is the SEM structure chart of the diamond of grinding tool and bonding agent in the embodiment of the present invention 1；
Fig. 2 is that in the embodiment of the present invention 1, grinding tool connects with bonding agent at diamond the micro-structure diagram at interface.
Detailed description of the invention
The invention provides a kind of Novel dry processing grinding tool, including high temperature adhesives, common bonding agent and abrasive material；
Described high temperature adhesives includes Ni3Al powder body；
One or more in the described Ni-based bonding agent of common bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent.
In the present invention, described high temperature adhesives includes Ni3Al powder body, described Ni3The particle diameter of Al powder body is preferably 1～10 μm, more preferably 2～8 μm, it is most preferred that be 3～7 μm, concrete, in an embodiment of the present invention, it is possible to be 4 μm, 5 μm, 6 μm, 7 μm, 8 μm or 10 μm.
High temperature adhesives in the present invention preferably also includes NiAl powder body, and the particle diameter of described NiAl powder body is preferably 1～10 μm, more preferably 2～8 μm, it is most preferred that be 3～7 μm, concrete, in an embodiment of the present invention, it is possible to be 8 μm；In described high temperature adhesives, Ni3The parts by weight of Al powder body are preferably 50～100 parts, more preferably 60～90 parts, it is most preferred that be 70～80 parts；The parts by weight of described NiAl powder body are 1～50 part, more preferably 5～45 parts, it is most preferred that be 10～40 parts, concrete, in an embodiment of the present invention, and described Ni3Al powder body can be 45 parts, 50 parts, 87 parts, 85 parts, 80 parts or 90 parts；It can be 35 parts or 40 parts that the weight portion of described NiAl powder body is chosen.
In the present invention, described common bonding agent includes one or more in Ni-based bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent；More preferably cuprio bonding agent, Ni-based bonding agent are included.In the present invention, described common bonding agent and high temperature adhesives constitute the bonding agent part in the present invention, and the mass fraction that described common bonding agent accounts for bonding agent gross mass is preferably 1～20%, more preferably 5～15%, it is most preferred that be 8～10%；The particle diameter of described common bonding agent is preferably 20 μm, 25 μm or 30 μm.
In the present invention, described abrasive material preferably includes diamond and/or cubic boron nitride (CBN), the particle diameter of described abrasive material is preferably 20～180 orders, it is more preferably 30～170 orders, it most preferably is 40～150 orders, concrete, in an embodiment of the present invention, it is possible to be 30 orders, 40 orders, 50 orders, 100 orders, 115 orders, 170 orders or 175 orders；In grinding tool in the present invention, the volume fraction of described abrasive material is preferably 7.25～50%, more preferably 10～40%, concrete, in an embodiment of the present invention, it is possible to be 12.5%.
The preparation method that present invention also offers a kind of Novel dry processing grinding tool, comprises the following steps:
A) high temperature adhesives, common bonding agent and abrasive material are carried out ball milling, obtain grinding tool compound；Described high temperature adhesives includes Ni3Al powder body；
One or more in the described Ni-based bonding agent of common bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent；
B) described grinding tool compound is carried out cold moudling, obtain base substrate；
C) described base substrate is sintered, obtains Novel dry processing grinding tool.
The present invention, preferably first by high temperature adhesives and common bonding agent mixing and ball milling, obtains bonding agent compound, then again by bonding agent compound and abrasive material ball milling, obtains grinding tool compound.In the present invention, described high temperature adhesives, the composition of common bonding agent, particle diameter and consumption and the above high temperature adhesives, common bonding agent are consistent, do not repeat them here.
In the present invention, the kind of described abrasive material, particle diameter are consistent with the kind of the above abrasive material, particle diameter and consumption with consumption, do not repeat them here.The rotating speed of described bonding agent compound and abrasive material ball milling is preferably 150～300r/min, more preferably 200～250r/min；The time of described bonding agent compound and abrasive material ball milling is preferably 5～30min, more preferably 10～25min, it is most preferred that be 15～20min；The ratio of grinding media to material of described bonding agent compound and abrasive material ball milling is preferably (5～20): 1, more preferably (10～15): 1.In the present invention, the cumulative volume of abrading-ball and raw material is less than the 2/3 of ball grinder volume.
After obtaining grinding tool compound, grinding tool compound is carried out cold moudling by the present invention, obtains base substrate, and described grinding tool compound is preferably put into cold moudling in cold stamping die by the present invention, obtains base substrate.The green density of base substrate is 40～60% solid densities in the present invention, more preferably 50% solid density.
After obtaining base substrate, base substrate is sintered by the present invention, obtains Novel dry processing grinding tool.In the present invention, the method for described sintering preferably includes discharge plasma sintering, hot pressed sintering or atmosphere hot pressing sintering.The temperature of described sintering is preferably 700～1100 DEG C, more preferably 800～1050 DEG C, it is most preferred that be 900～1000 DEG C；The time of described sintering is preferably 5～30min, more preferably 10～25min, concrete, in an embodiment of the present invention, it is possible to be 10min, 13min, 20min or 25min；The pressure of described sintering is preferably 20～100MPa, more preferably 30～80MPa, more preferably 50～70MPa, concrete, in an embodiment of the present invention, it is possible to be 30MPa or 50MPa.
The present invention provides a kind of Novel dry processing grinding tool, including high temperature adhesives, common bonding agent and abrasive material；Described high temperature adhesives includes Ni3Al powder body；One or more in the described Ni-based bonding agent of common bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent.The present invention compared with prior art, has the advantage that
(1) the Novel dry processing super-hard abrasive tool intensity of the present invention is high, to diamond, hot injury is low, there is when high temperature good non-oxidizability, and its yield strength improves along with the rising of temperature, can realize at a high speed for a long time without coolant grinding, cutting.
(2) the Novel dry processing super-hard abrasive tool of the present invention has higher high temperature process adaptability in the various difficult processing hard brittle material of few cooling or dry-type processing or High-speed machining or metal material process, grinding tool can keep high sharpness and working (machining) efficiency, adapts to high-speed grinding and the deep grinding of creep feed.
In order to further illustrate the present invention, below in conjunction with embodiment, a kind of Novel dry processing grinding tool provided by the invention and preparation method thereof is described in detail, but limiting the scope of the present invention can not be understood as.
Embodiment 1
By the Ni that 90 parts of particle diameters are 6 μm3Al powder body and 6 parts of particle diameters are 20 μm of cobalt-based pre-alloyed powder mixing and ball milling, obtain bonding agent compound drum's speed of rotation 200r/min, Ball-milling Time 20min, ratio of grinding media to material 10:1；
The diamond abrasive that the bonding agent compounds of 96 parts and 4 parts of particle diameters are 30～40 orders is carried out ball milling so that it is mix homogeneously, it is thus achieved that abrasive material compound.Described drum's speed of rotation is 200r/min, and Ball-milling Time is 20min, and ratio of grinding media to material is 5:1.
Abrasive material compound is put into cold moudling in cold stamping die, it is thus achieved that tool body.The green density of mould is 50% solid density.
Tool body is carried out hot pressed sintering, sinters maximum temperature 900 DEG C, be incubated 25min.Pressure is 50Mpa, it is thus achieved that super-hard abrasive tool.
The grinding tool that the present embodiment is obtained by the present invention has carried out SEM test, and result is such as shown in Fig. 1～2, and Fig. 1 is the SEM structure chart of the diamond of grinding tool and bonding agent in the embodiment of the present invention 1；Fig. 2 is that in the embodiment of the present invention 1, grinding tool connects with bonding agent at diamond the micro-structure diagram at interface, and Fig. 2 is the enlarged drawing of Fig. 1 Blocked portion.By Fig. 1～2 it can be seen that diamond is by high temperature adhesives Ni3Al is coated with tightly, high with diamond bond strength.
Embodiment 2
By the Ni that 80 parts of particle diameters are 5 μm3Al powder body and 14 parts of particle diameters are 25 μm of cuprio pre-alloyed powder mixing and ball milling, obtain bonding agent compound drum's speed of rotation 250r/min, Ball-milling Time 15min, ratio of grinding media to material 15:1；
The diamond abrasive that particle diameter is 40～50 orders of the bonding agent compounds of 94 parts and 6 parts is carried out ball milling so that it is mix homogeneously, it is thus achieved that abrasive material compound.Described drum's speed of rotation is 250r/min, and Ball-milling Time is 15min, and ratio of grinding media to material is 10:1.
Abrasive material compound is put into cold moudling in cold stamping die, it is thus achieved that tool body.The green density of mould is 50% solid density.
Tool body is carried out hot pressed sintering, sinters maximum temperature 1000 DEG C, be incubated 20min.Pressure is 50Mpa, it is thus achieved that super-hard abrasive tool.
Embodiment 3
By the Ni that 85 parts of particle diameters are 7 μm3Al powder body and 10 parts of particle diameters are 30 μm of Ni-based pre-alloyed powder mixing and ball milling, obtain bonding agent compound drum's speed of rotation 250r/min, Ball-milling Time 10min, ratio of grinding media to material 20:1；
The diamond abrasive that particle diameter is 100～115 orders of the bonding agent compounds of 95 parts and 5 parts is carried out ball milling so that it is mix homogeneously, it is thus achieved that abrasive material compound.Described drum's speed of rotation is 200r/min, and Ball-milling Time is 25min, and ratio of grinding media to material is 10:1.
Abrasive material compound is put into cold moudling in cold stamping die, it is thus achieved that tool body.The green density of mould is 50% solid density.
Tool body is carried out hot pressed sintering, sinters maximum temperature 950 DEG C, be incubated 10min.Pressure is 30Mpa, it is thus achieved that super-hard abrasive tool.
Embodiment 4
By the Ni that 87 parts of particle diameters are 4 μm3Al powder body and 15 parts of particle diameters are 20 μm of iron-based prealloyed powder mixing and ball milling, obtain bonding agent compound drum's speed of rotation 200r/min, Ball-milling Time 20min, ratio of grinding media to material 20:1；
The diamond abrasive that particle diameter is 170～175 orders of the bonding agent compounds of 92 parts and 8 parts is carried out ball milling so that it is mix homogeneously, it is thus achieved that abrasive material compound.Described drum's speed of rotation is 300r/min, and Ball-milling Time is 25min, and ratio of grinding media to material is 5:1.
Abrasive material compound is put into cold moudling in cold stamping die, it is thus achieved that tool body.The green density of mould is 50% solid density.
Tool body is carried out hot pressed sintering, sinters maximum temperature 1000 DEG C, be incubated 13min.Pressure is 50Mpa, it is thus achieved that super-hard abrasive tool.
Embodiment 5
By the Ni that 50 parts of particle diameters are 8 μm3Al powder body, 35 parts of particle diameters are the NiAl powder body of 8 μm and 10 parts of particle diameters are 25 μm of cobalt-based pre-alloyed powder mixing and ball milling, obtain bonding agent compound drum's speed of rotation 250r/min, Ball-milling Time 10min, ratio of grinding media to material 20:1；
The diamond abrasive that particle diameter is 40～50 orders of the bonding agent compounds of 95 parts and 5 parts is carried out ball milling so that it is mix homogeneously, it is thus achieved that abrasive material compound.Described drum's speed of rotation is 200r/min, and Ball-milling Time is 20min, and ratio of grinding media to material is 20:1.
Abrasive material compound is put into cold moudling in cold stamping die, it is thus achieved that tool body.The green density of mould is 40% solid density.
Tool body is carried out hot pressed sintering, sinters maximum temperature 950 DEG C, be incubated 10min.Pressure is 45Mpa, it is thus achieved that super-hard abrasive tool.
Embodiment 6
By the Ni that 45 parts of particle diameters are 10 μm3Al powder body, 40 parts of particle diameters are the NiAl powder body of 8 μm and 10 parts of particle diameters are 25 μm of iron-based prealloyed powder mixing and ball milling, obtain bonding agent compound drum's speed of rotation 250r/min, Ball-milling Time 10min, ratio of grinding media to material 15:1；
The diamond abrasive that particle diameter is 25～30 orders of the bonding agent compounds of 95 parts and 5 parts is carried out ball milling so that it is mix homogeneously, it is thus achieved that abrasive material compound.Described drum's speed of rotation is 250r/min, and Ball-milling Time is 15min, and ratio of grinding media to material is 10:1.
Abrasive material compound is put into cold moudling in cold stamping die, it is thus achieved that tool body.The green density of mould is 45% solid density.
Tool body is carried out hot pressed sintering, sinters maximum temperature 1000 DEG C, be incubated 8min.Pressure is 60Mpa, it is thus achieved that super-hard abrasive tool.
Present invention GBT2490-2007 method have detected the performance parameter of the grinding tool that the embodiment of the present invention 1～6 obtains, and result is in Table 1, and table 1 is the performance parameter of the grinding tool in the embodiment of the present invention 1～6.
The performance parameter of the grinding tool in table 1 embodiment of the present invention 1～6
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Rockwell hardness (HRB) | 91.2 | 93 | 96 | 98 |
| Density (g/cm3) | 6.3 | 6.6 | 6.5 | 6.8 |
| Bending strength (MPa) | 50.3 | 61.2 | 60 | 70 |
The sample of embodiment 3 is carried out the detection of yield strength by the present invention at different temperatures, and such as table 2 below, table 2 is the yield strength variation with temperature data of grinding tool in the embodiment of the present invention 3.
The yield strength variation with temperature data of grinding tool in table 2 embodiment of the present invention 3
| Temperature (K) | 300 | 600 | 900 | 1000 | 1100 |
| Yield strength (Mpa) | 1120 | 1140 | 1150 | 1120 | 1138 |
As can be seen from Table 2, in normal dry-type processing process, processing temperature ranges up at 400～500K, in this temperature range, grinding tool in the present invention is with the rising of temperature, and its yield strength gradually steps up, and can realize at a high speed for a long time without coolant grinding, cutting.
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (10)
1. a Novel dry processing grinding tool, its raw material includes high temperature adhesives, common bonding agent and abrasive material；
Described high temperature adhesives includes Ni3Al powder body；
Described common bonding agent includes one or more in Ni-based bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent.
2. Novel dry according to claim 1 processing grinding tool, it is characterised in that described high temperature adhesives also includes NiAl powder body.
3. Novel dry according to claim 2 processing grinding tool, it is characterised in that in described high temperature adhesives, Ni3The parts by weight of Al powder body are 50～100 parts；
The parts by weight of described NiAl powder body are 1～50 part.
4. Novel dry according to claim 2 processing grinding tool, it is characterised in that Ni in described high temperature adhesives3The particle diameter of Al powder body is 1～10 μm；
The particle diameter of described NiAl powder body is 1～10 μm.
5. Novel dry according to claim 1 processing grinding tool, it is characterised in that described common bonding agent accounts for the 1～20% of high temperature adhesives and common bonding agent gross mass.
6. Novel dry according to claim 1 processing grinding tool, it is characterised in that described abrasive material includes diamond and/or cubic boron nitride.
7. Novel dry according to claim 6 processing grinding tool, it is characterised in that the particle diameter of described abrasive material is 20～180 orders.
8. Novel dry according to claim 1 processing grinding tool, it is characterised in that processing in grinding tool at described Novel dry, the volume fraction of described abrasive material is 7.25～50%.
9. a preparation method for Novel dry processing grinding tool, comprises the following steps:
A) high temperature adhesives, common bonding agent and abrasive material are mixed laggard row ball milling, obtain grinding tool compound；Described high temperature adhesives includes Ni3Al powder body；
One or more in the described Ni-based bonding agent of common bonding agent, cuprio bonding agent, iron-binding agent and cobalt base bonding agent；
B) described grinding tool compound is carried out cold moudling, obtain base substrate；
C) described base substrate is sintered, obtains Novel dry processing grinding tool.
10. preparation method according to claim 9, it is characterised in that the temperature of described sintering is 700～1100 DEG C；
The time of described sintering is 5～30min；
The pressure of described sintering is 20～100MPa.
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Cited By (5)
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| CN107838416A (en) * | 2017-10-24 | 2018-03-27 | 广东工业大学 | A kind of iron-binding agent diamond tool and preparation method thereof |
| CN107838417A (en) * | 2017-10-24 | 2018-03-27 | 广东工业大学 | A kind of iron Al-based agent diamond tool and preparation method thereof |
| CN107914019A (en) * | 2017-10-24 | 2018-04-17 | 广东工业大学 | A kind of iron nickel Al-based agent diamond tool and preparation method thereof |
| CN107914018A (en) * | 2017-10-24 | 2018-04-17 | 广东工业大学 | A kind of iron Al binding agent diamond tool and preparation method thereof |
| CN108588530A (en) * | 2018-05-07 | 2018-09-28 | 西安工业大学 | Low-density heat resisting ferro alloy which stands and preparation method thereof |
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