CN108320860A - A kind of high-purity aluminum conductor preparation method of electromagnet structure high-yield strength - Google Patents
A kind of high-purity aluminum conductor preparation method of electromagnet structure high-yield strength Download PDFInfo
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- CN108320860A CN108320860A CN201711479899.XA CN201711479899A CN108320860A CN 108320860 A CN108320860 A CN 108320860A CN 201711479899 A CN201711479899 A CN 201711479899A CN 108320860 A CN108320860 A CN 108320860A
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- glomerocryst
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- conducting wire
- inlet region
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0006—Apparatus or processes specially adapted for manufacturing conductors or cables for reducing the size of conductors or cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/0036—Details
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Abstract
The invention discloses a kind of high-purity aluminum conductor preparation methods of electromagnet structure high-yield strength, are related to conducting wire preparation method technical field, including raw material polishing process, ultrasonic cleaning process and extrusion process；The aluminium oxide on raw material is removed by the raw material polishing process；Raw material surface impurity is further removed by the ultrasonic cleaning process, it is ensured that when continuing process after entering, raw material are fully clean；Conducting wire is set to be molded by the extrusion process；Further include drawing procedure and glomerocryst process after extrusion process：The drawing procedure compresses aluminium crystal structure by drawing, so that its structure interval is reduced, the yield strength of lifting lead wire itself；The glomerocryst process further increases conductor size precision using glomerocryst mold, improve conductive line surfaces quality, the glomerocryst mold includes mold base, and the mold base offers through-hole, and the through-hole includes glomerocryst inlet region, glomerocryst deformed area, glomerocryst sizing area and glomerocryst outlet area.
Description
Technical field
The present invention relates to conducting wire preparation method technical fields, high-purity more particularly to a kind of electromagnet structure high-yield strength
Aluminum conductor preparation method.
Background technology
Electric power, electromagnetic drive are the developing direction in current urban transportation future, and the high-purity aluminum steel of high-yield strength is pure aluminum wire
Motor critical component is enclosed, magnetic suspension driving coil magnet is formed by high-purity aluminum steel coiling, and high-purity aluminum steel can possess outstanding lead
The advantages that electric rate and current-carrying capacity, keeps its processing cost low and the magnet prepared is stable, safe, therefore as magnetic suspension driving electricity
The component of machine.
Conducting wire machine-shaping can be realized in the prior art, but since aluminum steel purity is higher, conducting wire crystal structure gap is larger
Cause the yield strength processed smaller, machine-shaping poor process control, precision is smaller, and yield strength is to be improved, and
It can not ensure the linear energy of rafifinal.
Invention content
The technical problem to be solved by the present invention is to which although the machine-shaping to high-purity aluminum conductor may be implemented at present,
The yield strength of conducting wire is to be improved, and can not ensure the linear energy of rafifinal.
In order to solve the above technical problems, the present invention provides a kind of high-purity aluminum conductor preparation of electromagnet structure high-yield strength
Method, including raw material polishing process, ultrasonic cleaning process and extrusion process；It is removed by the raw material polishing process former
Aluminium oxide on material；Raw material surface impurity is further removed by the ultrasonic cleaning process, it is ensured that is continued after entering
When process, raw material are fully clean；Conducting wire is set to be molded by the extrusion process；It is characterized in that：Further include after extrusion process
Drawing procedure and glomerocryst process：
The drawing procedure utilizes wire drawing machine drawing raw material through extrusion process squeeze after of the independent drum without speed ratio, drawing
Speed is 100-120 ms/min, and Pneumatic Tension compresses aluminium crystal structure in 20-30mpa, and the surrender of lifting lead wire itself is strong
Degree；
The glomerocryst process carries out sizing to conducting wire using glomerocryst mold, further increases conductor size precision, improve wire table
Face quality；
The glomerocryst mold includes mold base, and the mold base includes being smoothly connected successively and coaxial glomerocryst from feeding mouth to discharge port
Inlet region, glomerocryst deformed area, glomerocryst sizing area and glomerocryst outlet area, the glomerocryst inlet region, glomerocryst deformed area and glomerocryst go out
Mouth region is in horn-like, and the glomerocryst sizing area is cylindrical, and the internal diameter of the glomerocryst inlet region and glomerocryst deformed area is by entering
Material mouth to discharge port direction is gradually reduced, and the internal diameter of the glomerocryst outlet area is gradually increased by feeding mouth to discharge port direction.
Technique effect：The present invention first uses raw material polishing process, ultrasonic cleaning process to clean raw material, really
When protecting continuous process after entering, raw material are fully clean, it is ensured that wire quality is influenced without introduced contaminants, it will using extrusion process
Raw material are shaped to conducting wire, then carry out drawing procedure processing to conducting wire, in carrying out drawing procedure processing to conducting wire, can compress
Aluminium crystal structure makes its structure interval reduce, the yield strength of conducting wire itself can be promoted to 200-230N/mm2, and by
It being reduced in structure interval so that conductive line surfaces hardness and pull resistance mechanical performance are improved, and wherein pull resistance can be improved 20%,
In addition, conducting wire is after this drawing procedure so that lead body is compressed, and the electric conductivity of conducting wire of the present invention can be made compared to existing
Same type conducting wire improves 5%~7%；In conducting wire after drawing procedure, the dimension precision requirement of conducting wire is improved by glomerocryst process,
And conductive line surfaces quality is improved, so that surface roughness is reduced to Ra0.05-0.1, in addition, by glomerocryst inlet region and gathering in conducting wire
When brilliant deformed area arrives glomerocryst sizing area again, since the internal diameter of glomerocryst inlet region and glomerocryst deformed area is by feeding mouth to discharge port direction
It is gradually reduced, by two stages of compression, conducting wire can extremely be compressed by mold base so that aluminium crystal structure is further compressed, it is made
Structure interval reduces, and conducting wire is moved to outlet area simultaneously when compressed, and larger friction is generated between conducting wire meeting and mold base,
To generate more heat transfer, the temperature of conducting wire and mold base is improved, the temperature promotion of lead body is conducive to aluminium crystal structure pressure
Contracting can make its structure interval smaller, conducting wire can be further by the yield strength of conducting wire itself after the processing of glomerocryst process
Promote 10% or so.
The technical solution that the present invention further limits is：
Further, the polishing machine be double-wheel polisher, the double-wheel polisher include pedestal and connect with pedestal two
A polished silicon wafer, two polished silicon wafers are generally aligned in the same plane, and there are polishing clearances between the polished silicon wafer.
The preceding high-purity aluminum conductor preparation method of electromagnet structure high-yield strength, the extrusion process use extrusion die
Tool so that conducting wire is molded, the extrusion die includes mold core, the mold core from feeding mouth to discharge port include be smoothly connected successively and
Coaxial extruding inlet region squeezes sizing area and squeezes outlet area, the extrudings inlet region and squeezes outlet area in horn-like,
The extruding sizing area is cylindric, and the internal diameter for squeezing inlet region is gradually reduced by feeding mouth to discharge port direction, institute
The internal diameter for stating extruding outlet area is gradually increased by feeding mouth to discharge port direction.
The preceding high-purity aluminum conductor preparation method of electromagnet structure high-yield strength, the length of the glomerocryst sizing area are
2-3mm。
The beneficial effects of the invention are as follows：
（1）Polishing machine in the present invention is double-wheel polisher, and raw material are polished by polishing clearance by two polished silicon wafers, can
To effectively remove the aluminium oxide on raw material；
（2）Extrusion process in the present invention is molded conducting wire using extrusion die, and raw material are introduced into extruding inlet region, then pass through
It crosses extruding sizing area and carries out sizing, using outlet area discharge is squeezed, conductor surface quality after molding can be improved, it is made to have
Preferable finish.
Description of the drawings
Fig. 1 is the structural schematic diagram that the present embodiment is used to embody polishing machine；
Fig. 2 is the structural schematic diagram that the present embodiment is used to embody extrusion die；
Fig. 3 is the structural schematic diagram that the present embodiment is used to embody glomerocryst mold.
Wherein：1, pedestal；11, polished silicon wafer；12, raw material；2, mold core；21, inlet region is squeezed；22, sizing area is squeezed；
23, outlet area is squeezed；3, mold base；31, glomerocryst inlet region；32, glomerocryst deformed area；33, glomerocryst sizing area；34, glomerocryst outlet area.
Specific implementation mode
The high-purity aluminum conductor preparation method of a kind of electromagnet structure high-yield strength provided in this embodiment, structure such as Fig. 1-3
It is shown.
The high-purity aluminum conductor preparation method of the electromagnet structure high-yield strength, including 12 polishing process of raw material, ultrasonic wave
Cleaning process and extrusion process remove the aluminium oxide on raw material 12 by 12 polishing process of the raw material, by described super
Sound wave cleaning process further removes 12 surface impurity of raw material, it is ensured that and when continuing process after entering, raw material 12 are fully clean,
Conducting wire is set to be molded by extrusion process.
Wherein, polishing machine is double-wheel polisher, and double-wheel polisher includes pedestal 1 and two polishings being connect with pedestal 1
Piece 11, two polished silicon wafers 11 are generally aligned in the same plane, and there are polishing clearances, raw material 12 to pass through polishing clearance between polished silicon wafer 11
It is polished by two polished silicon wafers 11, the aluminium oxide on raw material 12 can be effectively removed.
Extrusion process makes conducting wire be molded using extrusion die, and extrusion die includes mold core 2, and mold core 2 is from feeding mouth to discharging
Mouthful include be smoothly connected successively and coaxial extruding inlet region 21, squeeze sizing area 22 and squeeze outlet area 23, squeeze inlet region
21 and squeeze outlet area 23 be in it is horn-like, squeeze sizing area 22 be it is cylindric, and squeeze inlet region 21 internal diameter by feeding mouth
It is gradually reduced to discharge port direction, the internal diameter for squeezing outlet area 23 is gradually increased by feeding mouth to discharge port direction.Raw material 12
It is introduced into and squeezes inlet region 21, then carry out sizing by squeezing sizing area 22, be discharged using outlet area 23 is squeezed, Ke Yiti
High conductor surface quality after molding, makes it have preferable finish.
Further include drawing procedure and glomerocryst process after extrusion process.
Wherein, drawing procedure utilizes wire drawing machine drawing raw material through extrusion process squeeze after of the independent drum without speed ratio
12, drawing speed is 100-120 ms/min, and Pneumatic Tension compresses aluminium crystal structure, lifting lead wire itself in 20-30mpa
Yield strength.
Glomerocryst process carries out sizing to conducting wire using glomerocryst mold, further increases conductor size precision, improve wire table
Face quality.
Wherein, glomerocryst mold includes mold base 3, and mold base 3 includes being smoothly connected successively and coaxial from feeding mouth to discharge port
Glomerocryst inlet region 31, glomerocryst deformed area 32, glomerocryst sizing area 33 and glomerocryst outlet area 34, glomerocryst inlet region 31, glomerocryst deformation
Area 32 and glomerocryst outlet area 34 are in horn-like, and glomerocryst sizing area 33 is cylindrical, and glomerocryst inlet region 31 and glomerocryst deformed area
32 internal diameter is gradually reduced by feeding mouth to discharge port direction, the internal diameter of glomerocryst outlet area 34 by feeding mouth to discharge port direction by
It is cumulative big.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (4)
1. a kind of high-purity aluminum conductor preparation method of electromagnet structure high-yield strength, including raw material（12）Polishing process, ultrasound
Wave cleaning process and extrusion process；Pass through the raw material（12）Polishing process removes raw material（12）On aluminium oxide；Pass through
The ultrasonic cleaning process further removes raw material（12）Surface impurity, it is ensured that when continuing process after entering, raw material
（12）It is fully clean；Conducting wire is set to be molded by the extrusion process；It is characterized in that：Further include after extrusion process drawing procedure and
Glomerocryst process：
The drawing procedure utilizes wire drawing machine drawing raw material through extrusion process squeeze after of the independent drum without speed ratio（12）,
Drawing speed is 100-120 ms/min, and Pneumatic Tension is in 20-30mpa；
The glomerocryst process carries out sizing using glomerocryst mold to conducting wire, and the glomerocryst mold includes mold base（3）, the mold base
（3）Include being smoothly connected successively and coaxial glomerocryst inlet region from feeding mouth to discharge port（31）, glomerocryst deformed area（32）, glomerocryst
Sizing area（33）And glomerocryst outlet area（34）, the glomerocryst inlet region（31）, glomerocryst deformed area（32）With glomerocryst outlet area
（34）It is in horn-like, the glomerocryst sizing area（33）It is cylindrical, and the glomerocryst inlet region（31）With glomerocryst deformed area
（32）Internal diameter be gradually reduced by feeding mouth to discharge port direction, the glomerocryst outlet area（34）Internal diameter by feeding mouth to discharge
Mouth direction gradually increases.
2. according to the method described in claim 1, it is characterized in that：The polishing machine is double-wheel polisher, the two-wheel polishing
Machine includes pedestal（1）And and pedestal（1）Two polished silicon wafers of connection（11）, two polished silicon wafers（11）Positioned at same flat
Face, and the polished silicon wafer（11）Between there are polishing clearances.
3. according to the method described in claim 1, it is characterized in that：The extrusion process makes conducting wire be molded using extrusion die,
The extrusion die includes mold core（2）, the mold core（2）Include being smoothly connected and coaxial squeezing successively from feeding mouth to discharge port
It is pressed into mouth region（21）, squeeze sizing area（22）With extruding outlet area（23）, the extruding inlet region（21）With extruding outlet area
（23）It is in horn-like, the extruding sizing area（22）To be cylindric, and the extruding inlet region（21）Internal diameter by feeding mouth
It is gradually reduced to discharge port direction, the extruding outlet area（23）Internal diameter gradually increased by feeding mouth to discharge port direction.
4. according to the method described in claim 1, it is characterized in that：The glomerocryst sizing area（33）Length be 2-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479899.XA CN108320860A (en) | 2017-12-29 | 2017-12-29 | A kind of high-purity aluminum conductor preparation method of electromagnet structure high-yield strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711479899.XA CN108320860A (en) | 2017-12-29 | 2017-12-29 | A kind of high-purity aluminum conductor preparation method of electromagnet structure high-yield strength |
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| Publication Number | Publication Date |
|---|---|
| CN108320860A true CN108320860A (en) | 2018-07-24 |
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| CN201711479899.XA Pending CN108320860A (en) | 2017-12-29 | 2017-12-29 | A kind of high-purity aluminum conductor preparation method of electromagnet structure high-yield strength |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412021A (en) * | 2011-11-21 | 2012-04-11 | 安徽蓝德集团股份有限公司 | Method for drawing aluminum conductor |
| CN103203587A (en) * | 2013-03-25 | 2013-07-17 | 江苏仁田机械有限公司 | Manufacturing method of aluminum rod |
| CN104259230A (en) * | 2014-09-26 | 2015-01-07 | 沈阳北阳电缆制造有限责任公司 | Wire drawing die with nano diamond layer |
| CN105710557A (en) * | 2016-04-08 | 2016-06-29 | 中国兵器科学研究院宁波分院 | Welding wire special for 7XXX series aluminum alloy and manufacturing method thereof |
-
2017
- 2017-12-29 CN CN201711479899.XA patent/CN108320860A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412021A (en) * | 2011-11-21 | 2012-04-11 | 安徽蓝德集团股份有限公司 | Method for drawing aluminum conductor |
| CN103203587A (en) * | 2013-03-25 | 2013-07-17 | 江苏仁田机械有限公司 | Manufacturing method of aluminum rod |
| CN104259230A (en) * | 2014-09-26 | 2015-01-07 | 沈阳北阳电缆制造有限责任公司 | Wire drawing die with nano diamond layer |
| CN105710557A (en) * | 2016-04-08 | 2016-06-29 | 中国兵器科学研究院宁波分院 | Welding wire special for 7XXX series aluminum alloy and manufacturing method thereof |
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Application publication date: 20180724 |
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