CN104148652A - Preparation method of novel diamond blocks and body materials used in preparation method - Google Patents
Preparation method of novel diamond blocks and body materials used in preparation method Download PDFInfo
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- CN104148652A CN104148652A CN201410391886.7A CN201410391886A CN104148652A CN 104148652 A CN104148652 A CN 104148652A CN 201410391886 A CN201410391886 A CN 201410391886A CN 104148652 A CN104148652 A CN 104148652A
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Abstract
The invention discloses a preparation method of novel diamond blocks and body materials used in the preparation method. The body materials of the diamond blocks are mainly composed of tungsten, copper and iron alloy powder, Cu15Sn powder, Ni powder and Fe powder, and by the utilization of the high activity, high thermal conductivity and high shock resistance of the tungsten, copper and iron alloy powder and combination with the Cu15Sn serving as a liquid phase, the Ni used for improving the toughness and the Fe serving as a filling phase, the diamond blocks are prepared. Taking a 25*8*5 block as an example, a test shows that the bending strength is 1200-1600 MPa and the hardness is 90-105 HRB, a test carried out through a bridge cutting testing machine shows that the power consumption is 5-7 KW and the service life can reach 8-12 m<2>/mm, and the power consumption and the service life are superior to those of existing diamond blocks.
Description
Technical field
The present invention relates to diamond tool field, be specifically related to a kind of preparation method and carcass material used of Novel diamond joint piece.
Background technology
Carcass is adamantine metal sinter, and the effect of carcass is to control diamond, makes its effect of playing cutting, and can not come off prematurely.Carcass is generally comprised of many each Determination of multiple metal elements, and existing diamond block generally adopts Fe-Cu-Ni-Sn alloy as carcass, adopts the diamond block of this carcass to exist the poor problem of low, the heat-resisting impact resistance of intensity.
Summary of the invention
The preparation method who the object of this invention is to provide a kind of Novel diamond joint piece, the diamond block of preparing by the method, has that bending strength is high, hardness is high, the feature of long service life.
Another object of the present invention is to provide carcass material used in above-mentioned preparation method.
To achieve these goals, the present invention adopts following technical scheme:
A preparation method for Novel diamond joint piece, realizes as follows:
One, prepare carcass material: carcass material is mainly by 15-55% tungsten copper ferroalloy powder, 15-30%Cu15Sn powder, 2-8%Ni powder and 68-7%Fe powder constituent, and the granularity of above-mentioned various powder is 100-400 order; By above-mentioned part by weight, take tungsten copper ferroalloy powder, Cu15Sn powder, Ni powder and Fe powder, mix, and obtains carcass material;
Two, prepare titanium-gold-plating hard rock: the diamond that is 25/30-45/50 by granularity is that 100-400 object titanium valve mixes with granularity, at vacuum condition, 800-820 ℃, diamond is carried out to titanizing, the titanium film thickness that makes diamond surface is 0.1-0.2mm, obtain titanium-gold-plating hard rock, and the titanium-gold-plating hard rock obtaining is mixed;
Three, the above-mentioned titanium-gold-plating hard rock mixing is mixed by the part by weight of titanium-gold-plating hard rock 15-30%, carcass material 85-70% with the above-mentioned carcass material mixing, obtain compound, and take the weight of this compound as radix adds the paraffin of 6-10ml/kg, this compound is fully soaked;
Four, above-mentioned compound is mixed with the mixture of above-mentioned paraffin, obtain saving compact material;
Five, by above-mentioned joint compact material at 1.5-2.0t/cm
2compressing under pressure, obtain pressed compact;
Six, pack pressed compact into graphite jig, in vacuum heating-press sintering machine, 820-880 ℃ of temperature, 400-500kg/cm
2under pressure, be incubated 1-2min;
Seven,, after mold cools down, form removal, obtains diamond block.
The 30W-20Cu-50Fe that above-mentioned tungsten copper ferroalloy powder adopts Hunan Sai Rui new material Co., Ltd to produce.
A novel matrix material, mainly the component by following parts by weight mixes:
The granularity of above-mentioned various powder is 100-400 order.
The 30W-20Cu-50Fe that above-mentioned tungsten copper ferroalloy powder adopts Hunan Sai Rui new material Co., Ltd to produce.
Adopt after such scheme, in the present invention, the carcass material of diamond block utilizes the high activity of tungsten copper ferroalloy, high thermal conductance and high impact resistance, be combined as the Cu15Sn of liquid phase, in order to improve the Ni of toughness, and as the Fe that fills phase, prepared diamond block, the 25*8*5 of take joint piece is example, according to test determination, its bending strength is 1200-1600MPa. hardness 90-105HRB, with bridge, cuts testing machine test, power consumption is 5-7KW, and can reach 8-12m service life
2/ mm, power consumption and life-span are all better than existing diamond block.
The specific embodiment
Embodiment mono-:
The preparation method of a kind of Novel diamond joint of the present invention piece, realizes as follows:
One, prepare carcass material: carcass material is by 15% tungsten copper ferroalloy powder, 15%Cu15Sn powder, 2%Ni powder and 68%Fe powder constituent, and the granularity of above-mentioned various powder is 100-400 order; By above-mentioned part by weight, take tungsten copper ferroalloy powder, Cu15Sn powder, Ni powder and Fe powder, with three-dimensional material mixer mixing 60-80min, obtain carcass material;
Two, prepare titanium-gold-plating hard rock: the diamond that is 25/30-45/50 by granularity is three-dimensional material mixer mixing 10-20min for 100-400 object titanium valve with granularity, at vacuum condition, 800-820 ℃, diamond is carried out to titanizing, the titanium film thickness that makes diamond surface is 0.1-0.2mm, obtain titanium-gold-plating hard rock, and by three-dimensional material mixer mixing 15-30min for the titanium-gold-plating hard rock obtaining;
Three, the above-mentioned titanium-gold-plating hard rock mixing is mixed by the part by weight of titanium-gold-plating hard rock 15-30%, carcass material 85-70% with the above-mentioned carcass material mixing, obtain compound, and take the weight of this compound as radix adds the paraffin of 6ml/kg, this compound is fully soaked;
Four, the three-dimensional material mixer mixing 45-60min for mixture with above-mentioned paraffin by above-mentioned compound, obtains saving compact material;
Five, by above-mentioned joint compact material at 1.5-2.0t/cm
2compressing under pressure, obtain pressed compact;
Six, pack pressed compact into graphite jig, in vacuum heating-press sintering machine, 820-880 ℃ of temperature, 400-500kg/cm
2under pressure, be incubated 1-2min;
Seven,, after mold cools down, form removal, obtains diamond block.
A kind of novel matrix material of the present embodiment, is mixed by the component of following parts by weight:
The granularity of above-mentioned various powder is 100-400 order.
Embodiment bis-:
The preparation method of a kind of Novel diamond joint of the present invention piece, realizes as follows:
One, prepare carcass material: carcass material is by 55% tungsten copper ferroalloy powder, 30%Cu15Sn powder, 8%Ni powder and 7%Fe powder constituent, and the granularity of above-mentioned various powder is 100-400 order; By above-mentioned part by weight, take tungsten copper ferroalloy powder, Cu15Sn powder, Ni powder and Fe powder, with three-dimensional material mixer mixing 60-80min, obtain carcass material;
Two, prepare titanium-gold-plating hard rock: the diamond that is 25/30-45/50 by granularity is three-dimensional material mixer mixing 10-20min for 100-400 object titanium valve with granularity, at vacuum condition, 800-820 ℃, diamond is carried out to titanizing, the titanium film thickness that makes diamond surface is 0.1-0.2mm, obtain titanium-gold-plating hard rock, and by three-dimensional material mixer mixing 15-30min for the titanium-gold-plating hard rock obtaining;
Three, the above-mentioned titanium-gold-plating hard rock mixing is mixed by the part by weight of titanium-gold-plating hard rock 15-30%, carcass material 85-70% with the above-mentioned carcass material mixing, obtain compound, and take the weight of this compound as radix adds the paraffin of 8ml/kg, this compound is fully soaked;
Four, the three-dimensional material mixer mixing 45-60min for mixture with above-mentioned paraffin by above-mentioned compound, obtains saving compact material;
Five, by above-mentioned joint compact material at 1.5-2.0t/cm
2compressing under pressure, obtain pressed compact;
Six, pack pressed compact into graphite jig, in vacuum heating-press sintering machine, 820-880 ℃ of temperature, 400-500kg/cm
2under pressure, be incubated 1-2min;
Seven,, after mold cools down, form removal, obtains diamond block.
A kind of novel matrix material of the present embodiment, is mixed by the component of following parts by weight:
The granularity of above-mentioned various powder is 100-400 order.
Embodiment tri-:
The preparation method of a kind of Novel diamond joint of the present invention piece, realizes as follows:
One, prepare carcass material: carcass material is by 35% tungsten copper ferroalloy powder, 22%Cu15Sn powder, 5%Ni powder and 38%Fe powder constituent, and the granularity of above-mentioned various powder is 100-400 order; By above-mentioned part by weight, take tungsten copper ferroalloy powder, Cu15Sn powder, Ni powder and Fe powder, with three-dimensional material mixer mixing 60-80min, obtain carcass material;
Two, prepare titanium-gold-plating hard rock: the diamond that is 25/30-45/50 by granularity is three-dimensional material mixer mixing 10-20min for 100-400 object titanium valve with granularity, at vacuum condition, 800-820 ℃, diamond is carried out to titanizing, the titanium film thickness that makes diamond surface is 0.1-0.2mm, obtain titanium-gold-plating hard rock, and by three-dimensional material mixer mixing 15-30min for the titanium-gold-plating hard rock obtaining;
Three, the above-mentioned titanium-gold-plating hard rock mixing is mixed by the part by weight of titanium-gold-plating hard rock 15-30%, carcass material 85-70% with the above-mentioned carcass material mixing, obtain compound, and take the weight of this compound as radix adds the paraffin of 10ml/kg, this compound is fully soaked;
Four, the three-dimensional material mixer mixing 45-60min for mixture with above-mentioned paraffin by above-mentioned compound, obtains saving compact material;
Five, by above-mentioned joint compact material at 1.5-2.0t/cm
2compressing under pressure, obtain pressed compact;
Six, pack pressed compact into graphite jig, in vacuum heating-press sintering machine, 820-880 ℃ of temperature, 400-500kg/cm
2under pressure, be incubated 1-2min;
Seven,, after mold cools down, form removal, obtains diamond block.
A kind of novel matrix material of the present embodiment, is mixed by the component of following parts by weight:
The granularity of above-mentioned various powder is 100-400 order.
In the present invention, the 30W-20Cu-50Fe that tungsten copper ferroalloy powder adopts Hunan Sai Rui new material Co., Ltd to produce.Can its performances and parameters be from the website http://www.hnsunray.com.cn/products_info.asp of Hunan Sai Rui new material Co., Ltd? id=145 learns.
Claims (4)
1. Novel diamond saves a preparation method for piece, it is characterized in that: realize as follows:
One, prepare carcass material: carcass material is mainly by 15-55% tungsten copper ferroalloy powder, 15-30%Cu15Sn powder, 2-8%Ni powder and 68-7%Fe powder constituent, and the granularity of above-mentioned various powder is 100-400 order; By above-mentioned part by weight, take tungsten copper ferroalloy powder, Cu15Sn powder, Ni powder and Fe powder, mix, and obtains carcass material;
Two, prepare titanium-gold-plating hard rock: the diamond that is 25/30-45/50 by granularity is that 100-400 object titanium valve mixes with granularity, at vacuum condition, 800-820 ℃, diamond is carried out to titanizing, the titanium film thickness that makes diamond surface is 0.1-0.2mm, obtain titanium-gold-plating hard rock, and the titanium-gold-plating hard rock obtaining is mixed;
Three, the above-mentioned titanium-gold-plating hard rock mixing is mixed by the part by weight of titanium-gold-plating hard rock 15-30%, carcass material 85-70% with the above-mentioned carcass material mixing, obtain compound, and take the weight of this compound as radix adds the paraffin of 6-10ml/kg, this compound is fully soaked;
Four, above-mentioned compound is mixed with the mixture of above-mentioned paraffin, obtain saving compact material;
Five, by above-mentioned joint compact material at 1.5-2.0t/cm
2compressing under pressure, obtain pressed compact;
Six, pack pressed compact into graphite jig, in vacuum heating-press sintering machine, 820-880 ℃ of temperature, 400-500kg/cm
2under pressure, be incubated 1-2min;
Seven,, after mold cools down, form removal, obtains diamond block.
2. the preparation method of a kind of Novel diamond joint piece according to claim 1, is characterized in that: the 30W-20Cu-50Fe that above-mentioned tungsten copper ferroalloy powder adopts Hunan Sai Rui new material Co., Ltd to produce.
3. a novel matrix material, is characterized in that: mainly the component by following parts by weight mixes:
The granularity of above-mentioned various powder is 100-400 order.
4. a kind of novel matrix material according to claim 3, is characterized in that: the 30W-20Cu-50Fe that above-mentioned tungsten copper ferroalloy powder adopts Hunan Sai Rui new material Co., Ltd to produce.
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Cited By (5)
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| CN104399985A (en) * | 2014-12-18 | 2015-03-11 | 广东新劲刚新材料科技股份有限公司 | Preparation method of diamond segment |
| CN105921753A (en) * | 2016-05-06 | 2016-09-07 | 西安工业大学 | Method for preparing near-net-shape parts with complex shapes from diamond-copper composite material |
| CN108823532A (en) * | 2018-08-02 | 2018-11-16 | 泉州众志金刚石工具有限公司 | A kind of diamond tool and preparation method thereof of diamond surface metallization processing |
| CN112207274A (en) * | 2020-10-14 | 2021-01-12 | 泉州众志金刚石工具有限公司 | Artificial quartz stone gang saw tool bit and preparation method thereof |
| CN113462924A (en) * | 2021-06-18 | 2021-10-01 | 中国地质大学（武汉） | Titanium-plated diamond copper composite material and preparation method thereof |
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| CN108823532A (en) * | 2018-08-02 | 2018-11-16 | 泉州众志金刚石工具有限公司 | A kind of diamond tool and preparation method thereof of diamond surface metallization processing |
| CN112207274A (en) * | 2020-10-14 | 2021-01-12 | 泉州众志金刚石工具有限公司 | Artificial quartz stone gang saw tool bit and preparation method thereof |
| CN113462924A (en) * | 2021-06-18 | 2021-10-01 | 中国地质大学（武汉） | Titanium-plated diamond copper composite material and preparation method thereof |
| CN113462924B (en) * | 2021-06-18 | 2022-03-29 | 中国地质大学（武汉） | Titanium-plated diamond copper composite material and preparation method thereof |
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