CN103418759A - Method with glass as covering heat preservation agent for vacuum nickel ingot casting and special mould - Google Patents
Method with glass as covering heat preservation agent for vacuum nickel ingot casting and special mould Download PDFInfo
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- CN103418759A CN103418759A CN2013103404337A CN201310340433A CN103418759A CN 103418759 A CN103418759 A CN 103418759A CN 2013103404337 A CN2013103404337 A CN 2013103404337A CN 201310340433 A CN201310340433 A CN 201310340433A CN 103418759 A CN103418759 A CN 103418759A
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- ingot casting
- nickel
- glass
- nickel ingot
- die body
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Abstract
The invention provides a method with glass as covering heat preservation agent for vacuum nickel ingot casting and a special mould. A glass ring is additionally arranged on the inner wall of a mould body, during the process of nickel ingot casting, the glass ring is melted by pouring liquid and floats on the liquid level of the nickel ingot casting pouring liquid, heat preservation effect is achieved on nickel metal liquid below, heat radiation on the surface of the nickel metal liquid is lowered, setting time of the metal liquid in a heat preservation cap is prolonged, so that the position of a finished product nickel ingot casting contraction hole is lifted to the top, finished product rate of nickel ingot casting is improved, and high practicability is achieved.
Description
Technical field
The invention belongs to casting technology field, be specifically related to a kind of vacuum pouring nickel ingot casting and make method and the particular manufacturing craft of covering and heat insulating agent with glass.
Background technology
Nickel belongs to rare metal, very easily oxidized when high temperature, and under atmosphere, melting also is unfavorable for the discharge of the inner contained gas of raw material, therefore, when making the nickel ingot casting, need in vacuum induction melting furnace, carry out.Owing to casting under vacuum state, the heat at metal liquid top scatters and disappears very fast because of the heat radiation reason, can't carry out concurrent heating with riser compound etc. under vacuum state, ubiquity hot top top is cooled and solidified at first, the shrinkage cavity position formed is usually between hot top and ingot mould, the yield rate of ingot casting is lower, therefore, is necessary to seek more efficiently vacuum method.
Summary of the invention
The technical problem that the present invention solves: provide a kind of vacuum pouring nickel ingot casting to make method and the particular manufacturing craft of covering and heat insulating agent with glass, by on the die body inwall, setting up glass ring, in nickel ingot casting casting process, glass ring is melted by potting syrup and swims on nickel ingot casting potting syrup liquid level, nickel metal liquid below it is played to insulation, reduced the heat radiation on nickel metal liquid surface, extended the setting time of hot top inner metal liquid body, make the position of finished product nickel ingot casting shrinkage cavity to top lift, improved the yield rate of nickel ingot casting.
The technical solution used in the present invention: the method for glass covering and heat insulating agent for vacuum pouring nickel ingot casting comprises the steps:
1) 99.96% sheet nickel is put into to the crucible of vacuum induction melting furnace;
2) particular manufacturing craft that inwall is provided with to glass ring is put on the mold base of vacuum induction melting furnace;
3) close vacuum induction melting furnace, and be evacuated to and be not more than 10Pa;
4) connect intermediate frequency power supply, start melting, continue to be heated to 1520 ℃ and refining after sheet nickel dissolves 30 minutes;
5) by refining in crucible, good nickel metal liquid is poured in particular manufacturing craft, and along with the rising of nickel metal liquid liquid level, glass ring is melted and covers all the time the nickel solution top;
6) broken empty blow-on after 10 minutes, take out mould and continue cooling under atmosphere;
7) be cooled to below 300 ℃ take out the nickel ingot casting;
8) dispose the glass at nickel ingot casting top, obtain the nickel ingot casting that shrinkage cavity is positioned at hot top;
9) amputate rising head, the outer surface of car light nickel ingot casting, obtain the nickel ingot casting that yield rate is higher.
Above-mentioned particular manufacturing craft has die body and is placed in the hot top of die body upper surface, on described die body internal face, is fixed with glass ring.
Further, described glass ring is fixed in die body internal face top.
Further, described hot top internal diameter is less than the die body internal diameter.
The present invention compared with prior art by setting up glass ring on the die body inwall, in nickel ingot casting casting process, glass ring is melted by potting syrup and swims on nickel ingot casting potting syrup liquid level, nickel ingot casting potting syrup under it is played to the effect of insulation, thereby extended the setting time of upper metal liquid, at first metal liquid in die body is solidified, improve the internal soundness of nickel ingot casting, improved the yield rate of nickel ingot casting.
The accompanying drawing explanation
Fig. 1 is Special mould structure schematic diagram of the present invention.
The specific embodiment
Below in conjunction with Fig. 1, a kind of embodiment of the present invention is described.
Vacuum pouring nickel ingot casting is made the method for covering and heat insulating agent with glass, comprise the steps:
1) 99.96% sheet nickel is put into to the crucible of vacuum induction melting furnace;
2) particular manufacturing craft that inwall is provided with to glass ring is put on the mold base of vacuum induction melting furnace; Above-mentioned particular manufacturing craft has die body 1 and is placed in the hot top 2 of die body 1 upper surface, and described die body 1 internal face top is fixed with glass ring 3, and described hot top internal diameter is less than the die body internal diameter;
3) close vacuum induction melting furnace, and be evacuated to and be not more than 10Pa;
4) connect intermediate frequency power supply, start melting, continue to be heated to 1520 ℃ and refining after sheet nickel dissolves 30 minutes;
5) by refining in crucible, good nickel metal liquid is poured in particular manufacturing craft, and along with the rising of nickel metal liquid liquid level, glass ring is melted and covers all the time the nickel solution top;
6) broken empty blow-on after 10 minutes, take out mould and continue cooling under atmosphere;
7) be cooled to below 300 ℃ take out the nickel ingot casting;
8) dispose the glass at nickel ingot casting top, obtain the nickel ingot casting that shrinkage cavity is positioned at hot top;
9) amputate rising head, the outer surface of car light nickel ingot casting, obtain the nickel ingot casting that yield rate is higher.
The present invention by setting up glass ring on the die body inwall, in nickel ingot casting casting process, glass ring is melted by potting syrup and swims on nickel ingot casting potting syrup liquid level, nickel ingot casting potting syrup under it is played to the effect of insulation, reduced the heat radiation on nickel metal liquid surface, extended the setting time of hot top inner metal liquid body, make the position of finished product nickel ingot casting shrinkage cavity to top lift, improved the yield rate of nickel ingot casting.
Above-described embodiment, be preferred embodiment of the present invention, not is used for limiting the scope of the present invention, and the equivalence of being done with the described content of the claims in the present invention therefore all changes, within all should being included in the claims in the present invention scope.
Claims (4)
1. vacuum pouring nickel ingot casting is made the method for covering and heat insulating agent with glass, it is characterized in that comprising the steps:
1) 99.96% sheet nickel is put into to the crucible of vacuum induction melting furnace;
2) particular manufacturing craft that inwall is provided with to glass ring is put on the mold base of vacuum induction melting furnace;
3) close vacuum induction melting furnace, and be evacuated to and be not more than 10Pa;
4) connect intermediate frequency power supply, start melting, continue to be heated to 1520 ℃ and refining after sheet nickel dissolves 30 minutes;
5) by refining in crucible, good nickel metal liquid is poured in particular manufacturing craft, and along with the rising of nickel metal liquid liquid level, glass ring is melted and covers all the time the nickel solution top;
6) broken empty blow-on after 10 minutes, take out mould and continue cooling under atmosphere;
7) be cooled to below 300 ℃ take out the nickel ingot casting;
8) dispose the glass at nickel ingot casting top, obtain the nickel ingot casting that shrinkage cavity is positioned at hot top;
9) amputate rising head, the outer surface of car light nickel ingot casting, obtain the nickel ingot casting that yield rate is higher.
2. make the particular manufacturing craft of the method for covering and heat insulating agent with glass for vacuum pouring nickel ingot casting as claimed in claim 1, there is die body (1) and be placed in the hot top (2) of die body (1) upper surface, it is characterized in that: on described die body (1) internal face, be fixed with glass ring (3).
3. particular manufacturing craft according to claim 2, it is characterized in that: described glass ring (3) is fixed in die body (1) internal face top.
4. according to the described particular manufacturing craft of claim 2 or 3, it is characterized in that: described hot top (2) internal diameter is less than die body (1) internal diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340433.7A CN103418759B (en) | 2013-08-06 | 2013-08-06 | Method with glass as covering heat preservation agent for vacuum nickel ingot casting and special mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310340433.7A CN103418759B (en) | 2013-08-06 | 2013-08-06 | Method with glass as covering heat preservation agent for vacuum nickel ingot casting and special mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103418759A true CN103418759A (en) | 2013-12-04 |
| CN103418759B CN103418759B (en) | 2015-05-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310340433.7A Active CN103418759B (en) | 2013-08-06 | 2013-08-06 | Method with glass as covering heat preservation agent for vacuum nickel ingot casting and special mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888529A (en) * | 2022-05-10 | 2022-08-12 | 安徽恒均粉末冶金科技股份有限公司 | Preparation process of nickel strap for new energy power battery tab |
| CN115351245A (en) * | 2022-07-27 | 2022-11-18 | 江苏远航精密合金科技股份有限公司 | Method for improving yield of high-purity nickel ingot casting material for electronic industry |
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| JPH09182939A (en) * | 1995-12-28 | 1997-07-15 | Nikko Kinzoku Kk | Method for casting metallic ingot and casting device thereof |
| JP2005138173A (en) * | 2003-11-10 | 2005-06-02 | Sanyo Special Steel Co Ltd | Ingot-making method reinforcing thermal-insulation in feeder head, and thermal-insulating box for this ingot-making |
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| CN101596583A (en) * | 2009-07-10 | 2009-12-09 | 攀枝花新钢钒股份有限公司 | The compound centrifugal manufacturing method of axial sleeve of bushing |
| CN101678441A (en) * | 2007-05-02 | 2010-03-24 | Rti国际金属公司 | Use the continuous casting of the reactive metal of glass coating |
| JP2012148293A (en) * | 2011-01-18 | 2012-08-09 | Hitachi Metals Ltd | Method of casting ingot |
| CN102839299A (en) * | 2012-08-17 | 2012-12-26 | 宝鸡海吉钛镍有限公司 | Preparation method for pure nickel hollow blank for extruding pipe billet |
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2013
- 2013-08-06 CN CN201310340433.7A patent/CN103418759B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2390500A (en) * | 1942-07-30 | 1945-12-11 | Ferro Eng Co | Low volume sinkhead |
| US3262165A (en) * | 1962-12-17 | 1966-07-26 | Sandvikens Jernverks Ab | Heat-insulating compositions and their use |
| JPS59163054A (en) * | 1983-03-05 | 1984-09-14 | Sumitomo Metal Ind Ltd | Ingot making method of killed steel |
| JPS60158953A (en) * | 1984-01-30 | 1985-08-20 | Aichi Steel Works Ltd | Riser holding plate for steel ingot |
| JPS632535A (en) * | 1986-06-23 | 1988-01-07 | Hitachi Ltd | Production of steel ingot for forging |
| JPH09182939A (en) * | 1995-12-28 | 1997-07-15 | Nikko Kinzoku Kk | Method for casting metallic ingot and casting device thereof |
| JP2005138173A (en) * | 2003-11-10 | 2005-06-02 | Sanyo Special Steel Co Ltd | Ingot-making method reinforcing thermal-insulation in feeder head, and thermal-insulating box for this ingot-making |
| CN101678441A (en) * | 2007-05-02 | 2010-03-24 | Rti国际金属公司 | Use the continuous casting of the reactive metal of glass coating |
| CN101101077A (en) * | 2007-08-03 | 2008-01-09 | 攀钢集团攀枝花钢铁研究院 | Rustless steel double-metal composite pipe and making method thereof |
| CN101596583A (en) * | 2009-07-10 | 2009-12-09 | 攀枝花新钢钒股份有限公司 | The compound centrifugal manufacturing method of axial sleeve of bushing |
| JP2012148293A (en) * | 2011-01-18 | 2012-08-09 | Hitachi Metals Ltd | Method of casting ingot |
| CN102839299A (en) * | 2012-08-17 | 2012-12-26 | 宝鸡海吉钛镍有限公司 | Preparation method for pure nickel hollow blank for extruding pipe billet |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888529A (en) * | 2022-05-10 | 2022-08-12 | 安徽恒均粉末冶金科技股份有限公司 | Preparation process of nickel strap for new energy power battery tab |
| CN115351245A (en) * | 2022-07-27 | 2022-11-18 | 江苏远航精密合金科技股份有限公司 | Method for improving yield of high-purity nickel ingot casting material for electronic industry |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103418759B (en) | 2015-05-20 |
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Address after: 721013, Shaanxi City, Baoji province Weibin District Titanium City Road South (Hot Springs Village) Applicant after: Baoji Hai Ji Titanium & Nickel Co., Ltd. Address before: 721013, Shaanxi City, Xianyang province Weibin District Titanium City Road South (Hot Springs Village) Applicant before: Baoji Hai Ji Titanium & Nickel Co., Ltd. |
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