CN103357839A - Rotary type electromagnetic centrifugal casting machine - Google Patents
Rotary type electromagnetic centrifugal casting machine Download PDFInfo
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- CN103357839A CN103357839A CN2012100808226A CN201210080822A CN103357839A CN 103357839 A CN103357839 A CN 103357839A CN 2012100808226 A CN2012100808226 A CN 2012100808226A CN 201210080822 A CN201210080822 A CN 201210080822A CN 103357839 A CN103357839 A CN 103357839A
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- centrifugal casting
- rotary type
- type electromagnetic
- casting machine
- type tube
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Abstract
The invention discloses a rotary type electromagnetic centrifugal casting machine and belongs to the centrifugal casting field of metallurgy. The rotary type electromagnetic centrifugal casting machine comprises a profile barrel (10), liquid metal (20), an iron core (30) and coils (40), a rotary type electromagnetic generator is added outside the profile barrel (10) and consists of three pairs of coils (40) and the iron core (30), a rotating magnetic field is formed in the profile barrel (10) after the rotary type electromagnetic generator is connected with three-phase current, and the liquid metal (20) is contained in the profile barrel (10). Under an effect of electromagnetism in the magnetic field, and by the aid of fracture, migration and the like of alloy elements in metal liquid, crystallizing modes, crystal types, alloy distribution and the like of the metal liquid in a manufacturing process are enabled to be reasonable and uniform, so that performance of a furnace tube is improved, and service life of the furnace tube is prolonged.
Description
Technical field
A kind of novel centrifugal casting furnace plumber skill equipment that the present invention relates to belongs to field of metallurgy.
Background technology
Existing centrifugal casting machine has the types such as horizontal, vertical, and its primary structure is made of several parts such as power-equipment, transmission mechanism, apparatus for pouring, type tubes, and liquid metal is poured into a mould in the type tube of High Rotation Speed by apparatus for pouring, and dependence centrifugal forming is also solidified.When utilizing this kind centrifugal casting machine to make foundry goods, liquid metal leans on centrifugal forming and solidifies in type tube, and the tissue of foundry goods easily forms thick columanar structure, and makes the different solute element of severe produce serious gross segregation, thereby affects casting quality.In order to address the above problem the electromagnetic centrifugal casting machine of having invented, namely on common centrifugal casting machine, constant magnetic field is set, liquid metal is with the casting mold High Rotation Speed time, produce induced current in the liquid metal, thereby make liquid metal be subject to the electromagnetic force opposite with the direction of motion, this electromagnetic centrifugal casting machine can make foundry goods tissue and performance make moderate progress really, but the type tube of this electromagnetic centrifugal casting machine is at a pair of (N, S) rotate in the constant magnetic field, the electromagnetic force that produces in the liquid metal is opposite with its direction of motion all the time, and in the interior electromagnetic force that rotates a circle from zero to the maximum cyclically-varying.But this device is subject to the restriction of magnetic field intensity, and magnetic field is excessive harmful, and the variation of the cycle of electric field force, also is unfavorable for the macroscopic view of foundry goods, the further refinement of microstructure.
Summary of the invention
The objective of the invention is to propose a kind ofly can overcome defects, eliminate the segregation phenomenon, improve a kind of rotary electromagnetic centrifugal casting machine of the novel centrifugal casting boiler tube of boiler tube performance.
The present invention is achieved through the following technical solutions goal of the invention:
A kind of rotary electromagnetic centrifugal casting machine, comprise type tube, liquid metal, iron core, coil, the outside of described type tube increases the rotary electric magnetic flux generator, described rotary electric magnetic flux generator is comprised of three pairs of coils and iron core, form rotating excitation field after connecting three-phase current in type tube, described liquid metal places in the type tube.
The rotary electric magnetic flux generator adopts rotary electric magnetic stirrer principle, can produce rotating excitation field after passing into three-phase current in type tube.The phase place that changes three-phase current can be regulated the magnetic field rotating direction, requires in actual applications magnetic field rotating direction and type tube direction of rotation, to increase the relative velocity of metallic element cutting magnetic induction line.The size of electric field force is directly proportional with relative cutting speed.Thereby for reaching identical electric field force, the required magnetic field intensity of this device is less than stationary magnetic field intensity.Simultaneously, the magnetic field intensity that rotating excitation field provides around type tube is more even, and consequent electric field force fluctuation is less than the stationary magnetic field, is conducive to macroscopic view, the microstructure of further refinement foundry goods, improve the distribution of metallic element, increase substantially the combination property of foundry goods.
Beneficial effect:
Effect by this electromagnetic force of the present invention, make that the temperature field of liquid metal 20 in moulding and process of setting, liquid distribute, form and the distribution of precipitated phase, the rotten grade of machinery is all significantly different from original centrifugal casting, therefore realizes within the specific limits the effective control in the foundry goods structure property.
Description of drawings
Fig. 1 is rotary electromagnetic centrifugal casting furnace tube structure chart.
Fig. 2 is rotary electromagnetic centrifugal casting technique schematic diagram.
Description of reference numerals: 40---coil; The 30---iron core; The 20---liquid metal; The 10---type tube
The specific embodiment
Referring to accompanying drawing, a kind of rotary electromagnetic centrifugal casting machine, type tube 10, liquid metal 20, iron core 30, coil 40 are set, the outside of type tube 10 increases the rotary electric magnetic flux generator, the rotary electric magnetic flux generator is comprised of three pairs of coils 40 and iron core 30, in type tube 10 interior formation rotating excitation fields, described liquid metal 20 places in the type tube 10 behind the connection three-phase current.
The present invention has added the rotary electric magnetic flux generator outside the type tube of generic centrifuge, and increase water cooling plant, the rotary electric magnetic flux generator that adds adopts rotary electric magnetic stirrer principle, three pairs of coils evenly distribute around the type tube, can in type tube, produce rotating excitation field after connecting three-phase current, the rotating excitation field that the rotary electric magnetic flux generator that adds produces acts on the molten metal in the type tube, produce therein induced-current, this electric current produces electromagnetic force with the magnetic field interaction of rotary electric magnetic flux generator generation again, causes the migration of alloying element.The rotary electric magnetic flux generator that the present invention adds can change magnetic field intensity by changing current strength, thereby realizes the foundry goods structure property is control effectively.
Compare with common spun casting type tube, the present invention increases the rotary electric magnetic flux generator in the outside of type tube 10.Identical with the principle of rotary electric magnetic stirrer, the rotary electric magnetic flux generator is comprised of three pairs of coils 40 and iron core 30, can form rotating excitation field in type tube behind the connection three-phase current, changes current phase and can change direction of rotation.In running, make the rotating excitation field angular velocity omega referring to accompanying drawing 2
2Direction and type tube angular velocity omega
1Opposite direction, this moment type tube in alloying element be subject to gravity f
g, centrifugal force f
1With electromagnetic force f
2Effect, electromagnetic force f wherein
2Direction is opposite with the type tube direction of motion.Effect just because of this electromagnetic force, make that the temperature field of liquid metal 20 in moulding and process of setting, liquid distribute, form and the distribution of precipitated phase, the rotten grade of machinery is all significantly different from original centrifugal casting, therefore realizes within the specific limits the effective control in the foundry goods structure property.
Claims (1)
1. rotary electromagnetic centrifugal casting machine, it is characterized in that: comprise type tube (10), liquid metal (20), iron core (30), coil (40), the outside of described type tube (10) increases the rotary electric magnetic flux generator, described rotary electric magnetic flux generator has three pairs of coils (40) and iron core (30) to form, form rotating excitation field after connecting three-phase current in type tube (10), described liquid metal (20) places in the type tube (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100808226A CN103357839A (en) | 2012-03-26 | 2012-03-26 | Rotary type electromagnetic centrifugal casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100808226A CN103357839A (en) | 2012-03-26 | 2012-03-26 | Rotary type electromagnetic centrifugal casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103357839A true CN103357839A (en) | 2013-10-23 |
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ID=49360576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100808226A Pending CN103357839A (en) | 2012-03-26 | 2012-03-26 | Rotary type electromagnetic centrifugal casting machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN103357839A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624240A (en) * | 2013-11-22 | 2014-03-12 | 江苏大学 | Method for casting high-boron high-speed steel roll centrifugally under composite action of magnet field and electric field |
| CN111372703A (en) * | 2017-11-07 | 2020-07-03 | 赛峰飞机发动机公司 | Apparatus and method for manufacturing metal alloy blanks by centrifugal casting |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395829Y (en) * | 1999-12-14 | 2000-09-13 | 中国科学院金属研究所 | Electromagnetic exciting centrifugal casting device |
| JP2001096350A (en) * | 1999-09-29 | 2001-04-10 | Kubota Corp | Manufacturing method for composite roll |
| CN1559725A (en) * | 2004-02-19 | 2005-01-05 | 清华大学 | Method producing high speed steet composite roller by electromagnetic centrifugal casting |
| CN101274359A (en) * | 2007-03-28 | 2008-10-01 | 宝山钢铁股份有限公司 | Electromagnetic centrifugal casting quick-cutting steel composite roller operational layer material |
-
2012
- 2012-03-26 CN CN2012100808226A patent/CN103357839A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001096350A (en) * | 1999-09-29 | 2001-04-10 | Kubota Corp | Manufacturing method for composite roll |
| CN2395829Y (en) * | 1999-12-14 | 2000-09-13 | 中国科学院金属研究所 | Electromagnetic exciting centrifugal casting device |
| CN1559725A (en) * | 2004-02-19 | 2005-01-05 | 清华大学 | Method producing high speed steet composite roller by electromagnetic centrifugal casting |
| CN101274359A (en) * | 2007-03-28 | 2008-10-01 | 宝山钢铁股份有限公司 | Electromagnetic centrifugal casting quick-cutting steel composite roller operational layer material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624240A (en) * | 2013-11-22 | 2014-03-12 | 江苏大学 | Method for casting high-boron high-speed steel roll centrifugally under composite action of magnet field and electric field |
| CN103624240B (en) * | 2013-11-22 | 2016-04-27 | 江苏大学 | The method of centrifugal casting high boron high-speed steel roll under the electric field compound action of magnetic field |
| CN111372703A (en) * | 2017-11-07 | 2020-07-03 | 赛峰飞机发动机公司 | Apparatus and method for manufacturing metal alloy blanks by centrifugal casting |
| CN111372703B (en) * | 2017-11-07 | 2022-05-27 | 赛峰飞机发动机公司 | Apparatus and method for manufacturing metal alloy blanks by centrifugal casting |
| US11433453B2 (en) | 2017-11-07 | 2022-09-06 | Safran Aircraft Engines | Device and method for manufacturing a metal alloy blank by centrifugal casting |
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Application publication date: 20131023 |