CN104332253B - A kind of electromagnetic wire semihard processing method - Google Patents
A kind of electromagnetic wire semihard processing method Download PDFInfo
- Publication number
- CN104332253B CN104332253B CN201410616986.5A CN201410616986A CN104332253B CN 104332253 B CN104332253 B CN 104332253B CN 201410616986 A CN201410616986 A CN 201410616986A CN 104332253 B CN104332253 B CN 104332253B
- Authority
- CN
- China
- Prior art keywords
- heating
- temperature
- blank
- electromagnetic wire
- district
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Metal Rolling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention provides a kind of electromagnetic wire semihard processing method, it can solve existing to improve the problem that electromagnetic wire semihard quality is unstable, electromagnetic wire conductor cross-sectional size is uneven present in electromagnetic wire yield strength technique by electromagnetic wire carries out calendering process.It includes following procedure of processing, wire drawing machine will roll bar and draw and justify into blank, the mode using current annealing carries out sofening treatment to blank, and the blank after softened process is rolled to the electromagnetic wire that specification requires by universal mill, is finally packed electromagnetic wire to electromagnetic wire finished product by admission machine take-up.
Description
Technical field
The present invention relates to electromagnetic wire production technology field, be specially a kind of electromagnetic wire semihard processing method.
Background technology
In order to increase winding coil anti-instantaneous large-current impact property, jumbo transformator is desirable that winding coil has certain rigidity, and in order to improve Transformer Winding mechanical strength, resist the stress that winding is produced by sudden short circuit, winding wire proposing higher half hard requirement and i.e. improves yield strength requirement, the yield strength area requirement of electromagnetic wire is at 100N/mm under normal circumstances2~260N/mm2.High-yield strength i.e. yield strength is at 300 N/mm at present2Semi-hard conducting wire application more and more extensive, problem is put in order to control the office of transformator, usually require that three-phase resistance imbalance is the smaller the better, general control is ≤0.65%, meet this and require that electromagnetic wire dimensional homogeneity must be controlled well, and existing semihard technique cannot adapt to both meet high-yield strength and require effectively to control the prescription of electromagnetic wire dimensional homogeneity.
Existing electromagnetic wire semihard processing technique, it is directly electromagnetic wire to be carried out calendering process by the pinch roller of the upper and lower interlaced arrangement of semirigid device, see Fig. 1, the upper pressure wheel 1 on semirigid device top is single to be fixed on two-sided slide block 2, and moved up and down by adjusting nut 3 scalable upper pressure wheel 1, electromagnetic wire continues through this device, size according to yield strength with adjusting nut regulation pinch roller depression degree control yield strength, wire makes its flexural deformation extend by upper pressure wheel 1, lower pressure wheel 4, change the sequence of its internal grain, improve its mechanical performance, reach the purpose of semihard.Use this semirigid device that electromagnetic wire is carried out semihard processing, have a disadvantage in that: owing to slide block is the biggest with the gap of slideway, produce in gap when causing pressing under the pinch roller of top and rock, particularly when pressing the wire of high-yield strength, the bending extension of electromagnetic wire is bigger, easily cause electromagnetic wire pressurized uneven, thus cause electromagnetic wire semihard quality unstable, also can produce the phenomenon of electromagnetic wire conductor male and female face (on i.e. conductor is surveyed on the same cross section of thickness direction continuously, in, lower 3 points, draw the deviation of maximum point and smallest point conductor size), make electromagnetic wire sectional dimension uneven；Additionally the passive pressurized of electromagnetic wire conductor also makes electromagnetic wire pull strength relatively big, and pulling equipment overload operation affects service life of equipment and there is hidden danger of quality.
Summary of the invention
For the problems referred to above, the invention provides a kind of electromagnetic wire semihard processing method, it can solve existing to improve the problem that electromagnetic wire semihard quality is unstable, electromagnetic wire conductor cross-sectional size is uneven present in electromagnetic wire yield strength technique by electromagnetic wire carries out calendering process.
A kind of electromagnetic wire semihard processing method, it is characterized in that: it includes following procedure of processing, wire drawing machine will roll bar and draw and justify into blank, the mode using current annealing carries out sofening treatment to described blank, blank after described sofening treatment is rolled to the electromagnetic wire that specification requires by universal mill, is finally packed described electromagnetic wire to finished product by admission machine take-up.
Further, the concrete technology step of described current annealing is: after described blank is the most at the uniform velocity passed through annealing furnace heating, baking oven for heating, water-cooled is to room temperature；
Further, the heating of described annealing furnace uses syllogic laser heating mode, its heating-up temperature T1 ＞ second segment district of first paragraph district the 3rd section of district's heating-up temperature T3 of heating-up temperature T2 ＞, described first paragraph district heating-up temperature T1 controls at 550 DEG C～580 DEG C, second segment district heating-up temperature T2 controls at 520 DEG C～550 DEG C, and the 3rd section of district's heating-up temperature T3 controls at 470 DEG C～500 DEG C；
Described baking oven for heating temperature is 240 DEG C；
Described blank is heated by described annealing furnace, the linear speed of baking oven for heating is 5 m/min～10m/min.
Preferably, in described current annealing technique, described blank Three-section type heating temperature and described blank in described annealing furnace are heated by described annealing furnace, the linear speed of baking oven for heating preferably determines according to the sectional area of described blank；
Preferably, as described blank sectional area S≤5.0mm2Time, first paragraph district heating-up temperature T1 preferably 550 DEG C in described annealing furnace, second segment district heating-up temperature T2 preferably 520 DEG C, the 3rd section of district's heating-up temperature T3 preferably 470 DEG C, described blank heats at described annealing furnace, the linear speed of baking oven for heating is preferably 10m/min；
As described blank sectional area 5 mm2＜ S≤10 mm2Time, first paragraph district heating-up temperature T1 preferably 560 DEG C in described annealing furnace, second segment district heating-up temperature T2 preferably 530 DEG C, the 3rd section of district's heating-up temperature T3 preferably 480 DEG C, described blank heats at described annealing furnace, the linear speed of baking oven for heating is preferably 8m/min；
As described blank sectional area 10 mm2＜ S≤20 mm2Time, first paragraph district heating-up temperature T1 preferably 570 DEG C in described annealing furnace, second segment district heating-up temperature T2 preferably 540 DEG C, the 3rd section of district's heating-up temperature T3 preferably 490 DEG C, described blank heats at described annealing furnace, the linear speed of baking oven for heating is preferably 6m/min；
As described blank sectional area S ＞ 20 mm2Time, first paragraph district heating-up temperature T1 preferably 580 DEG C in described annealing furnace, second segment district heating-up temperature T2 preferably 550 DEG C, the 3rd section of district's heating-up temperature T3 preferably 500 DEG C, described blank heats at described annealing furnace, the linear speed of baking oven for heating is preferably 5m/min；
During described universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of described blank by tenslator.
Compared with the existing technique reaching semihard processing request by electromagnetic wire being carried out calendering process, having the beneficial effects that of present invention process: it will roll bar by wire drawing machine and directly draw circle to blank, directly blank is rolled out the electromagnetic wire conductor size of specification requirement again by universal mill, its omnipotent phenomenon rolled the size uniform that ensure that electromagnetic wire conductor, avoid the occurrence of electromagnetic wire conductor male and female face to blank；And use the electromagnetic wire of present invention process processing to ensure that the stability of electromagnetic wire yield strength owing to conductor size is uniform；Additionally present invention process actively rolls out electromagnetic wire conductor size by wire drawing machine, omnipotent rolling, therefore later process only need to normally produce required pull strength, the most also the former technique passive pressurized of electromagnetic wire conductor is avoided to make pull strength the biggest, make pulling equipment overload operation, affect service life of equipment and there is the defect of hidden danger of quality.
Accompanying drawing explanation
Fig. 1 is the semirigid device schematic diagram that existing electromagnetic wire semihard technique uses；
Fig. 2 is electromagnetic wire semihard processing process figure of the present invention.
Detailed description of the invention
A kind of electromagnetic wire semihard processing method, see Fig. 2, wire drawing machine will roll bar and draw and justify into blank, the mode using current annealing carries out sofening treatment to described blank, blank after described sofening treatment is rolled to the electromagnetic wire of specification requirement by universal mill, is finally packed described electromagnetic wire to finished product by admission machine take-up.Wherein current annealing be blank is the most at the uniform velocity heated by annealing furnace, after baking oven for heating water-cooled to room temperature, annealing furnace heating uses syllogic laser heating mode, and heating-up temperature T1 ＞ second segment district of first paragraph district the 3rd section of district's heating-up temperature T3 of heating-up temperature T2 ＞, first paragraph district heating-up temperature T1 controls at 550 DEG C～580 DEG C, second segment district heating-up temperature T2 controls at 520 DEG C～550 DEG C, and the 3rd section of district's heating-up temperature T3 controls at 470 DEG C～500 DEG C；Baking oven for heating temperature is 240 DEG C；The linear speed of blank is 5 m/min～10m/min；In actual production process, the blank heating-up temperature in each section of district, linear speed of blank in annealing furnace are chosen in the range of above-mentioned parameter according to the sectional area size of blank and are determined；During universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of blank by tenslator.
Embodiment one:
Wire drawing machine processes through three road wire drawings and will roll bar and draw and justify into blank, then the mode using current annealing carries out sofening treatment to this blank, the concrete operations of current annealing are at the uniform velocity by annealing furnace and baking oven by blank, make blank in annealing furnace, laser heating is carried out in baking oven, wherein annealing furnace heating uses the mode of syllogic laser heating, first paragraph district heating-up temperature T1 is 550 DEG C, second segment district heating-up temperature T2 is 530 DEG C, 3rd section of district's heating-up temperature T3 is 480 DEG C, baking oven for heating temperature is 240 DEG C, blank passes through annealing furnace, speed in baking oven is 8m/min；Blank after softened process is rolled to the electromagnetic wire that specification requires by universal mill again, is finally packed described electromagnetic wire to finished product by admission machine take-up.After testing, the yield strength of electromagnetic wire is 306N/mm2；During universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of blank by tenslator.
Embodiment two:
Wire drawing machine processes through twice wire drawing and will roll bar and draw and justify into blank, then the mode using current annealing carries out sofening treatment to this blank, the concrete operations of current annealing are at the uniform velocity by annealing furnace and baking oven by blank, make blank in annealing furnace, laser heating is carried out in baking oven, wherein annealing furnace heating uses the mode of syllogic laser heating, first paragraph district heating-up temperature T1 is 570 DEG C, second segment district heating-up temperature T2 is 520 DEG C, 3rd section of district's heating-up temperature T3 is 500 DEG C, baking oven for heating temperature is 240 DEG C, blank passes through annealing furnace, speed in baking oven is 5 m/min；Blank after softened process is rolled to the electromagnetic wire that specification requires by universal mill again, is finally packed described electromagnetic wire to finished product by admission machine take-up.After testing, the yield strength of electromagnetic wire is 310N/mm2；During universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of blank by tenslator.
Embodiment three:
Wire drawing machine processes through three road wire drawings and will roll bar and draw and justify into blank, then the mode using current annealing carries out sofening treatment to this blank, the concrete operations of current annealing are at the uniform velocity by annealing furnace and baking oven by blank, make blank in annealing furnace, laser heating is carried out in baking oven, wherein annealing furnace heating uses the mode of syllogic laser heating, first paragraph district heating-up temperature T1 is 580 DEG C, second segment district heating-up temperature T2 is 550 DEG C, 3rd section of district's heating-up temperature T3 is 470 DEG C, baking oven for heating temperature is 240 DEG C, blank passes through annealing furnace, speed in baking oven is 10m/min；Blank after softened process is rolled to the electromagnetic wire that specification requires by universal mill again, is finally packed described electromagnetic wire to finished product by admission machine take-up.After testing, the yield strength of electromagnetic wire is 315N/mm2；During universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of blank by tenslator.
Embodiment four:
Wire drawing machine will roll bar through three road wire drawings process and draw circle to sectional area to be 4mm2Blank, then the mode using current annealing carries out sofening treatment to this blank, the concrete operations of current annealing are at the uniform velocity by annealing furnace and baking oven by blank, blank is made to carry out laser heating in annealing furnace, in baking oven, wherein annealing furnace heating uses the mode of syllogic laser heating, first paragraph district heating-up temperature T1 is 550 DEG C, second segment district heating-up temperature T2 is 520 DEG C, 3rd section of district's heating-up temperature T3 is 470 DEG C, baking oven for heating temperature is 240 DEG C, and blank heats at described annealing furnace, the linear speed of baking oven for heating is 10m/min；Blank after softened process is rolled to the electromagnetic wire that specification requires by universal mill again, is finally packed described electromagnetic wire to finished product by admission machine take-up.After testing, the yield strength of electromagnetic wire is 309N/mm2；During universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of blank by tenslator.
Embodiment five:
Wire drawing machine will roll bar through twice wire drawing process and draw circle to sectional area to be 7mm2Blank, then the mode using current annealing carries out sofening treatment to this blank, the concrete operations of current annealing are at the uniform velocity by annealing furnace and baking oven by blank, blank is made to carry out laser heating in annealing furnace, in baking oven, wherein annealing furnace heating uses the mode of syllogic laser heating, first paragraph district heating-up temperature T1 is 560 DEG C, second segment district heating-up temperature T2 is 530 DEG C, 3rd section of district's heating-up temperature T3 is 480 DEG C, baking oven for heating temperature is 240 DEG C, and blank heats at described annealing furnace, the linear speed of baking oven for heating is 8mm/min；Blank after softened process is rolled to the electromagnetic wire that specification requires by universal mill again, is finally packed described electromagnetic wire to finished product by admission machine take-up.After testing, the yield strength of electromagnetic wire is 319N/mm2；During universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of blank by tenslator.
Embodiment six:
Wire drawing machine will roll bar through three road wire drawings process and draw circle to sectional area to be 18mm2Blank, then the mode using current annealing carries out sofening treatment to this blank, the concrete operations of current annealing are at the uniform velocity by annealing furnace and baking oven by blank, blank is made to carry out laser heating in annealing furnace, in baking oven, wherein annealing furnace heating uses the mode of syllogic laser heating, first paragraph district heating-up temperature T1 is 570 DEG C, second segment district heating-up temperature T2 is 540 DEG C, 3rd section of district's heating-up temperature T3 is 490 DEG C, baking oven for heating temperature is 240 DEG C, and blank heats at described annealing furnace, the linear speed of baking oven for heating is 6mm/min；Blank after softened process is rolled to the electromagnetic wire that specification requires by universal mill again, is finally packaged into described electromagnetic wire to finished product by admission machine take-up.After testing, the yield strength of electromagnetic wire is 325N/mm2；During universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of blank by tenslator.
Embodiment seven:
Wire drawing machine will roll bar through four road wire drawings process and draw circle to sectional area to be 20mm2Blank, then the mode using current annealing carries out sofening treatment to this blank, the concrete operations of current annealing are at the uniform velocity by annealing furnace and baking oven by blank, blank is made to carry out laser heating in annealing furnace, in baking oven, wherein annealing furnace heating uses the mode of syllogic laser heating, first paragraph district heating-up temperature T1 is 580 DEG C, second segment district heating-up temperature T2 is 550 DEG C, 3rd section of district's heating-up temperature T3 is 500 DEG C, baking oven for heating temperature is 240 DEG C, and blank heats at described annealing furnace, the linear speed of baking oven for heating is 5mm/min；Blank after softened process is rolled to the electromagnetic wire that specification requires by universal mill again, is finally packed described electromagnetic wire to finished product by admission machine take-up.After testing, the yield strength of electromagnetic wire is 318N/mm2；During universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of blank by tenslator.
Claims (8)
1. an electromagnetic wire semihard processing method, it is characterized in that: it includes following procedure of processing, wire drawing machine will roll bar and draw and justify into blank, the mode using current annealing carries out sofening treatment to described blank, blank after described sofening treatment is rolled to the electromagnetic wire that specification requires by universal mill, is finally packed described electromagnetic wire to finished product by admission machine take-up；
The concrete technology step of described current annealing is: after described blank is the most at the uniform velocity passed through annealing furnace heating, baking oven for heating, water-cooled is to room temperature.
A kind of electromagnetic wire semihard processing method the most according to claim 1, it is characterized in that: the heating of described annealing furnace uses syllogic laser heating mode, its heating-up temperature T1 ＞ second segment district of first paragraph district the 3rd section of district's heating-up temperature T3 of heating-up temperature T2 ＞, described first paragraph district heating-up temperature T1 controls at 550 DEG C～580 DEG C, second segment district heating-up temperature T2 controls at 520 DEG C～550 DEG C, and the 3rd section of district's heating-up temperature T3 controls at 470 DEG C～500 DEG C；Described baking oven for heating temperature is 240 DEG C；Described blank is heated by described annealing furnace, the linear speed of baking oven for heating is 5 m/min～10m/min.
A kind of electromagnetic wire semihard processing method the most according to claim 2, it is characterized in that: in described current annealing technique, described blank Three-section type heating temperature and described blank in described annealing furnace are heated by described annealing furnace, the linear speed of baking oven for heating preferably determines according to the sectional area of described blank.
A kind of electromagnetic wire semihard processing method the most according to claim 3, it is characterised in that: as described blank sectional area S≤5.0mm2Time, first paragraph district heating-up temperature T1 preferably 550 DEG C in described annealing furnace, second segment district heating-up temperature T2 preferably 520 DEG C, the 3rd section of district's heating-up temperature T3 preferably 470 DEG C, described blank heats at described annealing furnace, the linear speed of baking oven for heating is preferably 10m/min.
A kind of electromagnetic wire semihard processing method the most according to claim 3, it is characterised in that: as described blank sectional area 5 mm2＜ S≤10
mm2Time, first paragraph district heating-up temperature T1 preferably 560 DEG C in described annealing furnace, second segment district heating-up temperature T2 preferably 530 DEG C, the 3rd section of district's heating-up temperature T3 preferably 480 DEG C, described blank heats at described annealing furnace, the linear speed of baking oven for heating is preferably 8m/min.
A kind of electromagnetic wire semihard processing method the most according to claim 3, it is characterised in that: as described blank sectional area 10 mm2＜ S≤20
mm2Time, first paragraph district heating-up temperature T1 preferably 570 DEG C in described annealing furnace, second segment district heating-up temperature T2 preferably 540 DEG C, the 3rd section of district's heating-up temperature T3 preferably 490 DEG C, described blank heats at described annealing furnace, the linear speed of baking oven for heating is preferably 6m/min.
A kind of electromagnetic wire semihard processing method the most according to claim 3, it is characterised in that: as described blank sectional area S ＞ 20 mm2Time, first paragraph district heating-up temperature T1 preferably 580 DEG C in described annealing furnace, second segment district heating-up temperature T2 preferably 550 DEG C, the 3rd section of district's heating-up temperature T3 preferably 500 DEG C, described blank heats at described annealing furnace, the linear speed of baking oven for heating is preferably 5m/min.
A kind of electromagnetic wire semihard processing method the most according to claim 1, it is characterised in that: during described universal mill carries out omnipotent rolling to the blank after described sofening treatment, controlled the linear speed of described blank by tenslator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616986.5A CN104332253B (en) | 2014-11-06 | 2014-11-06 | A kind of electromagnetic wire semihard processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410616986.5A CN104332253B (en) | 2014-11-06 | 2014-11-06 | A kind of electromagnetic wire semihard processing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104332253A CN104332253A (en) | 2015-02-04 |
| CN104332253B true CN104332253B (en) | 2016-08-24 |
Family
ID=52406965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410616986.5A Active CN104332253B (en) | 2014-11-06 | 2014-11-06 | A kind of electromagnetic wire semihard processing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104332253B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112992600B (en) * | 2019-12-17 | 2023-02-17 | 天津平高智能电气有限公司 | Vacuum arc extinguish chamber vacuum degree measuring device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101236798B (en) * | 2008-02-04 | 2010-07-28 | 北京科技大学 | A copper adulterated aluminum complex flat line and its making method |
| CN101510455A (en) * | 2009-03-30 | 2009-08-19 | 德阳东佳港机电设备有限公司 | Technology and apparatus for manufacturing shaped conductor |
| CN103400640A (en) * | 2013-08-12 | 2013-11-20 | 丹阳利华电子有限公司 | Thermometal compound flat wire |
-
2014
- 2014-11-06 CN CN201410616986.5A patent/CN104332253B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104332253A (en) | 2015-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103042029A (en) | Phi22mm ribbed twisted steel slit rolling method | |
| CN103882351B (en) | A kind of method preparing Al-Li alloy superplasticity sheet material | |
| CN103008340B (en) | Hot continuous rolling production line of titanium and titanium alloy wire rod and production process | |
| CN110306028B (en) | Transition control method for thickness specification of strip steel in strip steel continuous cold rolling annealing process | |
| CN105170646A (en) | Economical bar sizing production line and method | |
| CN102716906B (en) | Method for producing iron nickel strip for high plate-shaped integrated circuit (IC) lead frame | |
| CN105363824B (en) | Flute profile wire line continuous producing apparatus | |
| CN102284486A (en) | Process for manufacturing seamless steel tubes by hot rolling | |
| CN107138524A (en) | A kind of minimum specification cord steel wire craft arrangement and preparation method | |
| CN104152656A (en) | Control method for stable through plate of cold-rolled strip steel with thick and narrow specifications | |
| CN105107866A (en) | Thermal shaping method and device of high-strength sharp-corner square rectangular tube | |
| CN104319016B (en) | A kind of electromagnetic wire semihard processing technology | |
| CN106903183A (en) | The manufacture system and method for radio-frequency cable oxygen-free copper pipe | |
| CN105382157A (en) | Forming method for large special-shaped structural steel multi-step ring piece | |
| CN103722009A (en) | Bar continuous rolling production line | |
| CN104332253B (en) | A kind of electromagnetic wire semihard processing method | |
| CN101767106A (en) | Hot rolling process of stainless plate strip coil | |
| CN103386416A (en) | Method for processing profiled bar with asymmetrical cross section | |
| CN103230943A (en) | Method for improving bending of head portion of medium plate | |
| CN209736331U (en) | Production system of high-ductility ribbed steel bar | |
| KR20090067442A (en) | Rod type steel manufacturing method | |
| CN108746440B (en) | A kind of high cylindrical forged piece segmentation milling method of large-sized high-temperature alloy | |
| CN110669915A (en) | Production process of silicon steel sheet for controlling damping thickness fluctuation of non-oriented silicon steel | |
| CN102873089B (en) | System for producing ribbed bar by quartered hot rolling production line | |
| CN104028553A (en) | Method for producing TC4 titanium alloy rods and wires through high-speed continuous mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |