CN106077616B - A kind of higher-dimension shape hard alloy forming agent and its spice technique - Google Patents
A kind of higher-dimension shape hard alloy forming agent and its spice technique Download PDFInfo
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- CN106077616B CN106077616B CN201610651932.1A CN201610651932A CN106077616B CN 106077616 B CN106077616 B CN 106077616B CN 201610651932 A CN201610651932 A CN 201610651932A CN 106077616 B CN106077616 B CN 106077616B
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- forming agent
- hard alloy
- dimension shape
- paraffin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/20—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces by extruding
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Abstract
The invention discloses a kind of higher-dimension shape hard alloy forming agent and its spice techniques, are grouped as by the group of following weight percentage, wherein：Paraffin, 15~25%；High melting point paraffin, 15~25%；Oleyl amine, 1~4%；Gasoline, 1~3%；Soybean oil, 3~10%；Oleamide, 15~25%；N-alkane, surplus.The present invention can make pressing material have higher dimension shape while having suitable plastic deformation ability, it is high that product front and back end pitch dimension controls precision by selecting suitable component and suitable proportion；So that pressing material is had high tenacity, the torsion in extrusion process can be born, to eliminate extruding crackle；Stablize forming agent removing, is cracked in the burn-in process that avoids drying in the shade.
Description
Technical field
The present invention relates to hard alloy processing technique field, more particularly to a kind of higher-dimension shape hard alloy forming agent and
Its spice technique.
Background technique
Hard alloy is hard compounds and binding metal one kind made of powder metallurgical technique of refractory metal
Alloy material.Hard alloy has a series of excellent performances such as hardness is high, wear-resisting, intensity and toughness are preferable, heat-resisting, corrosion-resistant,
Especially its high rigidity and wearability, even if 500 DEG C at a temperature of be held essentially constant, still have at 1000 DEG C very high
Hardness.Hard alloy is widely used as cutter material, such as lathe tool, milling cutter, planing tool, drill bit, boring cutter, for cutting cast iron, has
Non-ferrous metal, plastics, chemical fibre, graphite, glass, stone material and common iron can also be used to cut stainless steel, are high temperature alloy, high hard
The difficult to machine materials such as steel, titanium alloy.Hard alloy needs during being processed into cutter using forming agent extrusion forming,
Existing extrusion molding agent technique can the products such as steady production bar, straight hole tubing, but because of toughness when producing Corkscrews product
Not enough, cause to crack in extrusion process or in drying, forming agent cracks during removing.
Summary of the invention
It is an object of the invention to overcome the deficiency of the prior art, provide a kind of higher-dimension shape hard alloy forming agent and its
Spice technique can make pressing material have suitable plastic deformation ability by selecting suitable component and suitable proportion
It is provided simultaneously with higher dimension shape, it is high that product front and back end pitch dimension controls precision；So that pressing material is had high tenacity, can bear to squeeze
Torsion during pressure, to eliminate extruding crackle；Stablize forming agent removing, is cracked in the burn-in process that avoids drying in the shade.
The technical solution adopted by the present invention to solve the technical problems is：A kind of higher-dimension shape hard alloy forming agent, by
The group of following weight percentage is grouped as, wherein：
Wherein, the fusing point of high melting point paraffin is at 70 degree or more.
A kind of hard alloy spice technique based on above-mentioned forming agent, includes the following steps：
It A. is to be pre-mixed above-mentioned forming agent；
B. the forming agent after cemented carbide powder and premixing is sealed heating to be kneaded, makes forming agent and hard alloy
Powder is uniformly mixed.
It is plasticizer that the present invention, which has selected paraffin, and paraffin is evaporated from petroleum, shale oil or the certain of other pitch mineral oil
A kind of hydrocarbon mixture extracted in object out, main component are solid alkanes, and odorless, tasteless is white or faint yellow semi-transparent
Bright solid.Paraffin is noncrystal, but has apparent crystal structure.
The present invention has selected high melting point paraffin as plasticity constituent element again on the basis of paraffin, so as to improve pressing material
Toughness and geomery stability.
It is activator that the present invention, which has selected oleyl amine,.
It is active component that the present invention has selected gasoline again on the basis of oleyl amine, and gasoline is colourless to flaxen at normal temperature
Mobile liquid is difficult to be dissolved in water, inflammable, and boiling range is 30 DEG C to 220 DEG C, and main component is C5~C12 aliphatic hydrocarbon and cycloalkanes
Hydro carbons and a certain amount of aromatic hydrocarbon, gasoline octane number with higher.The present invention introduces active component vapour by quantitatively control
Oil improves the wetability of forming agent and powder, improves and is kneaded uniformity, and ensure to volatilize completely in mixing process, effectively facilitates
The mixing uniformity of forming agent.
It is lubricant that the present invention, which has selected soybean oil, and soybean oil is that a kind of oil extracted is squeezed from soybean, is had
Preferable lubricity.
It is lubricity constituent element that the present invention has selected oleamide (CP Powder) again on the basis of soybean oil, passes through lubricity
The introducing of constituent element oleamide can reduce the viscosity of high-ductility forming agent, improve mobility.
It is solvent that the present invention, which has selected n-alkane,.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is not increased into while improving plasticity on the basis of wax moulding agent using special dystectic paraffin
The removing difficulty of type agent；Oleamide lubricant component is introduced, the viscosity of wax moulding agent is reduced, improves forming agent mobility, is assigned
The preferable plasticity of feeding and viscosity are squeezed, guarantees that spiral green compact after extruding has preferable dimension shape performance；Introduce gasoline activity
Constituent element, improves the uniformity of forming agent mixing, and volatilizees completely in mixing process.The present invention by select suitable component and
Suitable proportion can make pressing material have higher dimension shape, product front and back while having suitable plastic deformation ability
Hold pitch dimension control precision high；So that pressing material is had high tenacity, the torsion in extrusion process can be born, is split to eliminate extruding
Line；Stablize forming agent removing, is cracked in the burn-in process that avoids drying in the shade.
Invention is further described in detail with reference to embodiments；But a kind of higher-dimension shape hard alloy of the invention
Forming agent and its spice technique are not limited to the embodiment.
Specific embodiment
Embodiment one
A kind of higher-dimension shape hard alloy forming agent of the invention, is grouped as by the group of following weight percentage, wherein：
A kind of hard alloy spice technique based on above-mentioned forming agent of the invention, includes the following steps：
It A. is to be pre-mixed above-mentioned forming agent；That is, the paraffin of forming agent total weight 15%, forming agent total weight 25% is high
Melting waxes, the oleyl amine of shape agent total weight 1%, the gasoline of forming agent total weight 3%, forming agent total weight 3% soybean oil and
The n-alkane of forming agent total weight 38% mixes；
B. heating is sealed to the forming agent after cemented carbide powder and premixing to be kneaded, make forming agent and hard alloy
Powder is uniformly mixed；Forming agent after taking a certain number of cemented carbide powders and a certain number of premixings is sealed heating
It is kneaded, is uniformly mixed forming agent with hard alloy powder.The quantity of cemented carbide powder and the number of the forming agent after premixing
Amount can the needs selection determination of root Ju.
It is plasticizer that the present invention, which has selected paraffin, and paraffin is evaporated from petroleum, shale oil or the certain of other pitch mineral oil
A kind of hydrocarbon mixture extracted in object out, main component are solid alkanes, and odorless, tasteless is white or faint yellow semi-transparent
Bright solid.Paraffin is noncrystal, but has apparent crystal structure.
The present invention has selected high melting point paraffin as plasticity constituent element again on the basis of paraffin, so as to improve pressing material
Toughness and geomery stability.
It is activator that the present invention, which has selected oleyl amine,.
It is active component that the present invention has selected gasoline again on the basis of oleyl amine, and gasoline is colourless to flaxen at normal temperature
Mobile liquid is difficult to be dissolved in water, inflammable, and boiling range is 30 DEG C to 220 DEG C, and main component is C5~C12 aliphatic hydrocarbon and cycloalkanes
Hydro carbons and a certain amount of aromatic hydrocarbon, gasoline octane number with higher.The present invention introduces active component vapour by quantitatively control
Oil improves the wetability of forming agent and powder, improves and is kneaded uniformity, and ensure to volatilize completely in mixing process, effectively facilitates
The mixing uniformity of forming agent.
It is lubricant that the present invention, which has selected soybean oil, and soybean oil is that a kind of oil extracted is squeezed from soybean, is had
Preferable lubricity.
It is lubricity constituent element that the present invention has selected oleamide again on the basis of soybean oil, passes through lubricity constituent element oleamide
It introduces, can reduce the viscosity of high-ductility forming agent, improve mobility.
It is solvent that the present invention, which has selected n-alkane,.
The present invention is not increased into while improving plasticity on the basis of wax moulding agent using special dystectic paraffin
The removing difficulty of type agent；Oleamide lubricant component is introduced, the viscosity of wax moulding agent is reduced, improves forming agent mobility, is assigned
The preferable plasticity of feeding and viscosity are squeezed, guarantees that spiral green compact after extruding has preferable dimension shape performance；Introduce gasoline activity
Constituent element, improves the uniformity of forming agent mixing, and volatilizees completely in mixing process.The present invention by select suitable component and
Suitable proportion can make pressing material have higher dimension shape, product front and back while having suitable plastic deformation ability
Hold pitch dimension control precision high；So that pressing material is had high tenacity, the torsion in extrusion process can be born, is split to eliminate extruding
Line；Stablize forming agent removing, is cracked in the burn-in process that avoids drying in the shade.
Embodiment two
A kind of higher-dimension shape hard alloy forming agent of the invention and its spice technique, exist with the difference of embodiment one
In, hard alloy forming agent is grouped as by the group of following weight percentage, wherein：
Embodiment three
A kind of higher-dimension shape hard alloy forming agent of the invention and its spice technique, exist with the difference of embodiment one
In, hard alloy forming agent is grouped as by the group of following weight percentage, wherein：
Example IV
A kind of higher-dimension shape hard alloy forming agent of the invention and its spice technique, exist with the difference of embodiment one
In, hard alloy forming agent is grouped as by the group of following weight percentage, wherein：
Embodiment five
A kind of higher-dimension shape hard alloy forming agent of the invention and its spice technique, exist with the difference of embodiment one
In, hard alloy forming agent is grouped as by the group of following weight percentage, wherein：
Above-mentioned only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form.Although of the invention
It has been disclosed in a preferred embodiment above, however, it is not intended to limit the invention.Anyone skilled in the art is not taking off
In the case where from technical solution of the present invention range, all technical solution of the present invention is made perhaps using the technology contents of the disclosure above
Mostly possible changes and modifications, or it is revised as equivalents equivalent embodiment.Therefore, all without departing from technical solution of the present invention
Content, technical spirit any simple modifications, equivalents, and modifications made to the above embodiment, should all fall according to the present invention
In the range of technical solution of the present invention protection.
Claims (2)
1. a kind of higher-dimension shape hard alloy forming agent, is grouped as by the group of following weight percentage, wherein：
Wherein, the fusing point of high melting point paraffin is at 70 DEG C or more.
2. a kind of hard alloy spice technique based on forming agent as described in claim 1, it is characterised in that：Including walking as follows
Suddenly：
It A. is to be pre-mixed above-mentioned forming agent；
B. heating is sealed to the forming agent after cemented carbide powder and premixing to be kneaded, make forming agent and hard alloy powder
It is uniformly mixed.
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| CN201610651932.1A CN106077616B (en) | 2016-08-10 | 2016-08-10 | A kind of higher-dimension shape hard alloy forming agent and its spice technique |
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| CN201610651932.1A CN106077616B (en) | 2016-08-10 | 2016-08-10 | A kind of higher-dimension shape hard alloy forming agent and its spice technique |
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| CN106077616A CN106077616A (en) | 2016-11-09 |
| CN106077616B true CN106077616B (en) | 2018-11-27 |
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| CN108838386B (en) * | 2018-06-28 | 2020-08-07 | 武汉新锐合金工具有限公司 | Preparation method of hard alloy mixture by adopting modified wax forming agent |
| CN110480003B (en) * | 2019-09-23 | 2022-04-08 | 广西科技大学 | Binder for water-atomized stainless steel powder and application method thereof |
| CN111468735A (en) * | 2020-04-16 | 2020-07-31 | 上海钨睿新材料科技有限公司 | Hard alloy extrusion molding agent based on paraffin base and extrusion feeding preparation process thereof |
| CN111644611B (en) * | 2020-06-16 | 2022-10-21 | 浙江德威硬质合金制造有限公司 | Preparation process of novel hard alloy material to be extruded |
| CN111940720A (en) * | 2020-08-18 | 2020-11-17 | 厦门金鹭硬质合金有限公司 | Forming agent for hard alloy extrusion rod blank and mixing process thereof |
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| CN100519010C (en) * | 2007-10-17 | 2009-07-29 | 中南大学 | Method of producing hard alloy rotatable special-shaped blade |
| CN101293280A (en) * | 2008-06-16 | 2008-10-29 | 中南大学 | Method for producing molybdenum alloy gas vane with powder injection forming |
| CN101372556B (en) * | 2008-10-15 | 2010-12-15 | 济南市冶金科学研究所 | Cemented carbide extrusion molding adhesive and preparation thereof |
| CN101805838A (en) * | 2010-03-29 | 2010-08-18 | 南昌硬质合金有限责任公司 | Dry powder extrusion method |
| CN102719690B (en) * | 2011-03-30 | 2014-07-02 | 厦门钨业股份有限公司 | High-viscosity extrusion forming agent |
| JP2014122425A (en) * | 2013-12-26 | 2014-07-03 | Allomet Corp | Method of compacting hard coated hard powder |
| CN103911536B (en) * | 2014-04-02 | 2016-03-16 | 成都工具研究所有限公司 | Containing Cr high-steel level oil gas thread sintered carbide tool material for processing |
| CN104096834A (en) * | 2014-07-18 | 2014-10-15 | 常熟市迅达粉末冶金有限公司 | Additive for powder metallurgy |
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Effective date of registration: 20190329 Address after: Room 897, Room 1303, No. 99, South Second Road, Songyu District, Xiamen Section, 361000 China (Fujian) Free Trade Pilot Area Patentee after: Xiamen Golden Heron Cemented Carbide Co., Ltd. Address before: No. 52-60 Tianyang Road, North Jimei Industrial Zone, Xiamen City, Fujian Province, 361000 Patentee before: Xiamen Golden Egret Special Alloy Co., Ltd. |