CN104263898A - Drawing and annealing method for flux cored wire production process - Google Patents
Drawing and annealing method for flux cored wire production process Download PDFInfo
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- CN104263898A CN104263898A CN201410493028.3A CN201410493028A CN104263898A CN 104263898 A CN104263898 A CN 104263898A CN 201410493028 A CN201410493028 A CN 201410493028A CN 104263898 A CN104263898 A CN 104263898A
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- cored wire
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Abstract
The invention discloses a drawing and annealing method for a flux cored wire production process. The drawing and annealing method comprises the steps of serially connecting a tubular welding wire of a flux cored wire to be machined and a sliding rheostat, and then, connecting the tubular welding wire of the flux cored wire to be machined to two ends of a direct-current power source; connecting a voltage meter and an ampere meter to the tubular welding wire of the flux cored wire to be machined; detecting the temperature on the tubular welding wire by using a temperature sensor; and changing the current of the flux cored wire to be machined by adjusting the resistance of the sliding rheostat to anneal the flux cored wire on the premise that the temperature of a flux core is not changed. According to the drawing and annealing method, the traditional heating way is changed, electric heating is adopted, two ends of the tubular welding wire are electrified, the temperature sensor is arranged at two ends and in the center of the flux cored wire, and the current is changed by adjusting the rheostat according to the temperature value displayed on the sensor, so that the heating temperature is controlled.
Description
Technical field
The present invention relates to a kind of flux-cored wire production system, especially relate to a kind of Drawing-anneal method in flux-cored wire production process.
Background technology
Flux-cored wire is a kind of Novel welding material developed rapidly in recent years, obtains widespread use in developed country.Flux-cored wire has obvious advantage compared with manual electrode, mainly interrupted welding process is become continuous print welding process.Thus decrease the number of welding joint, improve welding quality.Also improve production efficiency, save the energy.
Flux-cored wire is also referred to as tubular wire, can by the kind of Correctional tube Chinese medicine core additive and ratio, design the welding material of various different purposes easily, because its alloying constituent can be flexible adjustment, cannot smelt and roll so many kinds of flux-cored wire are solid welding wires.
Flux-cored wire is divided into again seamed and seamless two kinds, and are all the tubular wires be rolled into by strip metal, medicine core is all wrapped in pipe.Difference is: seamed cored wire closes seam by mechanical hook volume mode, is enclosed in pipe crimping by medicine core; Seamless flux-cored wire closes seam by welding process, is sealed in completely in pipe crimping by medicine core.
No matter be seamed or seamless flux-cored wire, package medicine core is all that Ф 10 about ㎜ carries out when the diameter of tubular wire is thicker.No matter machinery closes and is sewed with or welds that to close seam seamless, and flux-cored wire all will through repeatedly: mechanical pull---annealing---drawing---annealing---drawing.Flux-cored wire could be elongated, drawing-down, reach diameter Ф 1.5-Ф 3 about ㎜ of needs.
The technological problems run into is, when during annealing, flux-cored wire is heated to annealing temperature and is incubated in electrical heater, metal welding wire undergoes no deterioration, but the medicine core in pipe cannot stand long high temperature, can go bad, medicine core performance declines, and can affect flux-cored wire welding quality thereafter.And stress relief annealing is the technical process therefore existing heating system urgent need improvement that mechanical pull welding wire is not walked around together.
Summary of the invention
The object of the invention is easily to make the inner medicine core of flux-cored wire go bad in traditional heating mode to affect the problem of performance, a kind of Drawing-anneal method in flux-cored wire production process is provided for solving existing flux-cored wire.
The present invention is the deficiency solved the problems of the technologies described above, and the technical scheme adopted is:
A kind of Drawing-anneal method in flux-cored wire production process, comprise the step being connected to the two ends of direct supply after the tubular wire of flux-cored wire to be processed and slide rheostat series connection, voltmeter and reometer be connected to step on the tubular wire of flux-cored wire to be processed and detected the step of the temperature on tubular wire by temperature sensor, by the resistance adjusting slide rheostat change realize not changing the prerequisite of medicine core temperature by the electric current of flux-cored wire to be processed under welding wire is annealed.
The invention has the beneficial effects as follows: the present invention changes traditional heating mode, adopt electrically heated, tubular wire two ends are added electric current, at flux-cored wire two ends and central set temperature sensor, according to the temperature value that sensor shows, adjustment varistor, changes the size of electric current, thus controls the temperature of heating.According to annealing process, make flux-cored wire surface temperature reach heat treated temperature, keep certain hour.Reach to the object of tubular wire annealing.Simultaneously due to the skin effect of electric current, the welding wire in pipe can not be added thermal metamorphism, doing so avoids medicine core performance and declines, ensure that flux-cored wire welding quality in use.
Accompanying drawing explanation
Fig. 1 is principle schematic of the present invention.
Graphical indicia: 1, flux-cored wire to be processed; 2, temperature sensor.
Embodiment
Shown in figure, embodiment is as follows:
A kind of Drawing-anneal method in flux-cored wire production process, comprise the step being connected to the two ends of direct supply after the tubular wire of flux-cored wire to be processed and slide rheostat series connection, voltmeter and reometer be connected to step on the tubular wire of flux-cored wire to be processed and detected the step of the temperature on tubular wire by temperature sensor, by the resistance adjusting slide rheostat change realize not changing the prerequisite of medicine core temperature by the electric current of flux-cored wire to be processed under welding wire is annealed.
In order to solve the problem that the heating of existing type of heating easily makes medicine core rotten, and reach and can anneal to welding wire, do not make again the object that medicine core is rotten, heat treatment mode in the past must be changed, only heat welding wire and do not heat core wire.
According to joule lenzs law: Q=0.24I2Rt(Q---heat card, I---amps, R---resistance value ohm, t---second conduction time) and the skin effect (electric current is only in conductive line surfaces flowing) of conductor conduction, thus propose the heating system in the present invention.
Tubular wire two ends are added electric current, and at flux-cored wire two ends and central set temperature sensor, according to the temperature value that sensor shows, adjustment varistor, changes the size of electric current.According to annealing process, make flux-cored wire surface temperature reach heat treated temperature, keep certain hour.Reach to the object of tubular wire annealing.Simultaneously due to the skin effect of electric current, the welding wire in pipe can not be added thermal metamorphism.
The principle of this heat-treatment of annealing technology utilization joule lenzs law: Q=0.24I2Rt and electric current skin effect, has made the electric heater unit of tubular wire, has solved heating by electric cooker flux-cored wire dexterously, can cause the problem that medicine core is rotten.
Technical scheme cited by the present invention and embodiment be not restriction, be equal to the technical scheme cited by the present invention and embodiment or effect same approach all in the scope that the present invention protects.
Claims (1)
1. the Drawing-anneal method in a flux-cored wire production process, it is characterized in that: comprise the step being connected to the two ends of direct supply after the tubular wire of flux-cored wire to be processed (1) and slide rheostat series connection, voltmeter and reometer be connected to step on the tubular wire of flux-cored wire to be processed (1) and are detected the step of the temperature on tubular wire by temperature sensor (2), by the resistance adjusting slide rheostat change realize not changing the prerequisite of medicine core temperature by the electric current of flux-cored wire to be processed (1) under welding wire is annealed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493028.3A CN104263898A (en) | 2014-09-24 | 2014-09-24 | Drawing and annealing method for flux cored wire production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410493028.3A CN104263898A (en) | 2014-09-24 | 2014-09-24 | Drawing and annealing method for flux cored wire production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104263898A true CN104263898A (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410493028.3A Pending CN104263898A (en) | 2014-09-24 | 2014-09-24 | Drawing and annealing method for flux cored wire production process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863085A (en) * | 2019-11-14 | 2020-03-06 | 中国京冶工程技术有限公司 | Stress on-line control method suitable for flux-cored wire for steel structure |
Citations (5)
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| CN2235977Y (en) * | 1995-09-01 | 1996-09-25 | 余姚市夏联工量具厂 | Metal hot-line heating device |
| CN1191790A (en) * | 1997-02-27 | 1998-09-02 | 日铁溶接工业株式会社 | Process for manufacturing welding wire |
| WO2011113165A1 (en) * | 2010-03-18 | 2011-09-22 | Bührer Traktorenfabrik Ag | Process and apparatus for heating elongated metal products |
| CN103266290A (en) * | 2013-05-12 | 2013-08-28 | 北京科技大学 | Annealing method and device for regulating interface thickness and property of copper-clad aluminum composite material |
| CN203782195U (en) * | 2014-03-31 | 2014-08-20 | 江苏太阳光伏科技有限公司 | Welding strip annealing device |
-
2014
- 2014-09-24 CN CN201410493028.3A patent/CN104263898A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2235977Y (en) * | 1995-09-01 | 1996-09-25 | 余姚市夏联工量具厂 | Metal hot-line heating device |
| CN1191790A (en) * | 1997-02-27 | 1998-09-02 | 日铁溶接工业株式会社 | Process for manufacturing welding wire |
| WO2011113165A1 (en) * | 2010-03-18 | 2011-09-22 | Bührer Traktorenfabrik Ag | Process and apparatus for heating elongated metal products |
| CN103266290A (en) * | 2013-05-12 | 2013-08-28 | 北京科技大学 | Annealing method and device for regulating interface thickness and property of copper-clad aluminum composite material |
| CN203782195U (en) * | 2014-03-31 | 2014-08-20 | 江苏太阳光伏科技有限公司 | Welding strip annealing device |
Non-Patent Citations (3)
| Title |
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| 潘邻: "《表面改性热处理技术与应用》", 31 January 2006 * |
| 覃斌: "《电工与电子技术基础》", 31 July 2004 * |
| 陈文凤: "《机械工程材料 第3版》", 31 August 2013 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110863085A (en) * | 2019-11-14 | 2020-03-06 | 中国京冶工程技术有限公司 | Stress on-line control method suitable for flux-cored wire for steel structure |
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Application publication date: 20150107 |
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| RJ01 | Rejection of invention patent application after publication |