CN102554520A - Flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof - Google Patents
Flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof Download PDFInfo
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- CN102554520A CN102554520A CN2012100578239A CN201210057823A CN102554520A CN 102554520 A CN102554520 A CN 102554520A CN 2012100578239 A CN2012100578239 A CN 2012100578239A CN 201210057823 A CN201210057823 A CN 201210057823A CN 102554520 A CN102554520 A CN 102554520A
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Abstract
The invention discloses a flux-cored cutting wire for underwater wet-type arc cutting and a preparation method thereof. The flux-cored cutting wire is composed of a flux core and an outer layer steel belt, and is characterized in that the flux core is prepared from the following flux powder components in percentage by mass: 8-24% of dolomite, 0.5-4% of quartz sand, 0.1-3% of cesium carbonate, 0.1-3% of potassium carbonate, 0.6-2.4% of cerium oxide, 2.4-4.8% of manganese peroxide and the balance of calcium peroxide or barium peroxide. The preparation method comprises the following steps: evenly mixing the prepared flux powder; preparing the outer layer steel belt into a U-shaped slot by using a forming machine; filling the evenly mixed flux powder into the U-shaped slot, and closing the slot notch; and finally, gradually drawing by using a drawing machine to obtain the flux-cored cutting wire. The flux-cored cutting wire is used for cutting underwater low-carbon steel and low-alloy steel, and does not need additional gas shielding or excess oxygen supply.
Description
Technical field
The invention belongs to the welding and the cutting material technical field of class of metal materials, relate to a kind of cutting welding wire, more particularly, relate to a kind of be used for self-shield under water the environment-friendly type medicine core of wet type ARC CUTTING cut the silk and preparation method thereof.
Background technology
What use always in the cutting technique under water is oxygen-arc cutting and oxygen-flame-cutting; Both belong to the thermal cutting category; Be that the high temperature melting of utilizing electric arc or flame to produce is cut metal, thereby need extra ejection oxygen combustion motlten metal and oxidizing slag blown off to form scarfing.Japan Patent JP02324521, patent name " Method for arc-cutting steel material in water " propose the oxygen under water-ARC CUTTING technology behind a kind of the optimization; Make that steel plate is oxidized more easily and it is more convenient to remove slag; But still has the ubiquitous weak point of this method: need the extra oxygen that provides; And the oxygen expenditure amount is big, and in practical application, also exists the not high shortcoming of Cutting Automation degree.Number of patent application CN200410090671.8, patent name " a kind of environment-friendly and energy-efficient industrial fuel gas " disclose the combustion gas that a kind of comprehensive consumption pneumatolytic originally is lower than acetylene; Burning produces flame and is used to realize the cutting of steel spring plate under water, but oxygen-flame-cutting ubiquity flame such as extinguishes under water easily at shortcoming under water.
Self-shield is wet type melt pole electrical arc cutting method under water, with present routine under water cutting method compare, automaticity is high, and need not the extra gas that provides.The key of this cutting method is that its medicine core cuts the composition design of silk, and the patent SU1358254A1 of the former Soviet Union (Flux-cored wire for underwater cutting) provides a kind of medicine core to cut silk to be used for this method, and this drug core component is main with siderite; Through gas making the cut place is protected; But because this drug core component lays particular emphasis on the gas making protection to steel plate, lack oxygen and supply with, cause the oxidation of steel plate not enough; Restricted the cutting effect that this medicine core cuts silk; In practical application, the current interruption phenomenon appears in cutting process, and there is defectives such as putting up a bridge, hang slag in the scarfing that obtains.
The inventor is through actively lasting and useful test; With calper calcium peroxide or barium peroxide as the oxygen supply source in the medicine core; Oxygen with certain pressure and flow is provided under the catalytic action of ceria and manganese dioxide; The efficient oxidation metal to be cut, thereby and oxidizing slag blown off form scarfing, the cesium salt that in drug core component, adds easily ionizable simultaneously and sylvite are with improve a medicine core striking performance of cutting thread and the stability that improves arc burning.The present invention up to the present, the relevant report of Shang Weijian.
Summary of the invention
The objective of the invention is in order to solve and to overcome above-mentioned existing in prior technology technical problem and defective; Realizing to the self-shield of mild steel and low alloy steel plate wet type ARC CUTTING under water, and provide a kind of be used for self-shield under water the environment-friendly type medicine core of wet type ARC CUTTING cut silk and preparation method thereof.
In order to achieve the above object, the present invention adopts mild-carbon steel strip as outer lapping, and the medicine core material is made up of various medicinal powder.The heat that utilizes its electric arc to produce is used for heating and fusing is cut steel plate; Through in medicine core prescription, adding the gas-forming agent of capacity, utilize the gas of its generation to arrange ambient water, treat the cut place and shield; Through adding the oxidant of capacity, when cutting, utilize it that violent chemical reaction takes place and emit oxygen the steel plate oxidation, by the active force of the Oxygen Flow oxidizing slag that blows off, thereby form scarfing; And through adding suitable arc stabilizer, improve the medicine core and cut the striking performance of silk and the stability that improves arc burning, cutting can be carried out continuously.
The present invention realizes that the concrete technical scheme of purpose is:
A kind ofly be used under water that the medicine core of wet type ARC CUTTING cuts silk, form, it is characterized in that by medicine core and outer steel band; Said medicine core is by mass percentage by medicinal powder: dolomite is 8～24%, and quartz sand is 0.5～4%, and cesium carbonate is 0.1～3%; Potash is 0.1～3%, and ceria is 0.6～2.4%, and manganese dioxide is 2.4～4.8%; All the other are that calper calcium peroxide or barium peroxide are formed, and gross mass percentage is 100%.
The mass ratio of wherein said ceria and two kinds of medicinal powder of said manganese dioxide is 0.10～0.50: 1.
The particle diameter of described medicinal powder was 100 mesh sieves.
The material of described outer steel band is a mild steel, and thickness is 0.4～0.6mm.
Above-mentioned a kind of preparation method that the medicine core of wet type ARC CUTTING under water cuts silk that is used for comprises the steps:
1, takes by weighing medicinal powder by proportioning, and medicinal powder is mixed;
2, adopt make-up machine that outer steel band is processed U type groove shape;
3, the medicinal powder that mixes is filled in the U type groove, closes up notch;
4, adopt wire drawing machine by the road drawing, obtain the medicine core and cut silk.
The present invention compared with prior art, its beneficial effect mainly is:
Dolomite decomposes in cutting process in the medicine core of the present invention is emitted CO
2Gas shields to place to be cut under water, helps dolomite and continues to decompose gas making and reach the best protection effect thereby add quartz sand; Oxygen supply source when calper calcium peroxide or barium peroxide are cutting; Except that self decomposes produces oxygen, its hydrolysate hydrogen peroxide also will be decomposed into water and oxygen, but since in water heat radiation very fast; The decomposition rate of hydrogen peroxide still can not satisfy the demand of cutting oxygen under water; So the present invention is directed to the characteristics of this reaction, research obtains ceria and the compound interpolation of manganese dioxide in the certain proportion scope is better to the catalytic action of this reaction, will impel hydrogen peroxide dissociation reaction to take place fast and the conversion ratio height; Oxygen when having guaranteed cutting is supplied with; Continue to provide oxygen with place to be cut oxidation, and slag is effectively blown down, thereby form scarfing with certain pressure and flow; Cesium carbonate and potash is as the arc stabilizer in the medicine core, helps improving the ignition capability of arc cutting and the stability of burning under water.
The present invention compared with prior art, its characteristics mainly are:
1) the medicine core of the present invention's development cuts silk, can carry out self-shield wet type ARC CUTTING under water to mild steel and low-alloy steel, need not the extra gas protection that adds; Need not extra oxygen supply, in the medicine core, select for use carbonate, select for use peroxide as the oxidizing gas supply source as gas-forming agent; The gas that reaction obtains arranges ambient water; Treat the cut place and shield, and in cutting process, continue to provide oxygen, and slag is blown off the steel plate oxidation with certain pressure and flow; Form scarfing, and cutting effect is good.
2) hydrogen peroxide of peroxide and water reaction generation, although be heated being decomposed into water and oxygen, because heat scatters and disappears comparatively fast in water, this reaction can not be carried out fully.The present invention adds manganese dioxide through discovering in the medicine core, can play strong catalytic action to the oxygen manufacturing in the cutting process.Further discover; An amount of ceria can be used as the good cocatalyst of manganese dioxide; When the ratio of the quality of ceria and manganese dioxide 0.10～0.50: in the time of between 1; Catalytic effect to hydrogen peroxide dissociation reaction is more remarkable than the independent catalysis of manganese dioxide, makes hydrogen peroxide decomposes complete, and decomposition rate is fast, reaction is violent.And when both ratios are lower than 0.10: 1 or are higher than 0.50: 1, ceria will be lost the auxiliary catalysis effect to manganese dioxide, the therefore rationally mass ratio of ceria and manganese dioxide in the control medicine core, be the present invention program key point it
3) the present invention adds the lower cesium salt of ionization potential and sylvite as arc stabilizer in the medicine core, helps improving the ignition capability of arc cutting and the stability of burning under water.
The specific embodiment:
Through embodiment a kind of medicine core of wet type ARC CUTTING that is used under water of the present invention is cut silk and preparation method thereof and does further to specify below.
Embodiment 1
One, drug core component proportioning
Take by weighing 8% dolomite, 0.5% quartz sand, 0.1% cesium carbonate, 3% potash, 2.4% ceria, 4.8% manganese dioxide, 81.2% calper calcium peroxide.
Two, preparation method
1, getting it filled powder is mixed, cross 100 purpose sieves;
2, choose the H08A steel band that thickness is 0.5mm, it is rolled into the U-lag shape;
3, the medicinal powder that mixes is filled in the U-lag, closes up the U-lag mouth;
4, adopt wire drawing machine that the medicine core is cut the silk wire drawing die through different-diameter respectively, by road drawing, tube reducing, the medicine core that obtains diameter at last and be 2.2mm cuts silk.
Three, beneficial effect
It is that 450～500A, killer voltage are under the condition of 45～50V at cutting current that the medicine core that present embodiment makes cuts silk; Q235A steel plate to 20mm thickness cuts under water; Maximum cutting rate is under the operating mode of 200mm/min, current interruption does not take place and the slag phenomenon occurs putting up a bridge, hanging.
Embodiment 2
The proportioning drug core component is by mass percentage: 12% dolomite, 1% quartz sand, 0.5% cesium carbonate, 1.5% potash, 0.6% ceria, 6% manganese dioxide, 78.4% barium peroxide.
Selecting thickness for use is the H08A steel band of 0.5mm, and the medicine core for preparing the 2.2mm diameter according to the preparation method of embodiment 1 cuts silk.
It is that 450～500A, killer voltage are under the condition of 45～50V at cutting current that the medicine core that present embodiment makes cuts silk; Q235A steel plate to 20mm thickness cuts under water; Maximum cutting rate is under the operating mode of 220mm/min, current interruption does not take place and the slag phenomenon occurs putting up a bridge, hanging.
Embodiment 3
The proportioning drug core component is by mass percentage: 16% dolomite, 2% quartz sand, 2.5% cesium carbonate, 0.1% potash, 1.6% ceria, 4% manganese dioxide, 73.8% calper calcium peroxide.
Selecting thickness for use is the H08A steel band of 0.5mm, and the medicine core for preparing the 2.2mm diameter according to the preparation method of embodiment 1 cuts silk.
It is that 450～500A, killer voltage are under the condition of 45～50V at cutting current that the medicine core that present embodiment makes cuts silk; Q235A steel plate to 20mm thickness cuts under water; Maximum cutting rate is under the operating mode of 240mm/min, current interruption does not take place and the slag phenomenon occurs putting up a bridge, hanging.
Embodiment 4
The proportioning drug core component is by mass percentage: 20% dolomite, 3% quartz sand, 1% cesium carbonate, 2.5% potash, 0.8% ceria, 4% manganese dioxide, 68.7% calper calcium peroxide.
Selecting thickness for use is the H08A steel band of 0.5mm, and the medicine core for preparing the 2.2mm diameter according to the preparation method of embodiment 1 cuts silk.
It is that 450～500A, killer voltage are under the condition of 45～50V at cutting current that the medicine core that present embodiment makes cuts silk; Q235A steel plate to 20mm thickness cuts under water; Maximum cutting rate is under the operating mode of 230mm/min, current interruption does not take place and the slag phenomenon occurs putting up a bridge, hanging.
Embodiment 5
The proportioning drug core component is by mass percentage: 24% dolomite, 4% quartz sand, 3% cesium carbonate, 2% potash, 0.6% ceria, 2.4% manganese dioxide, 64% barium peroxide.
Selecting thickness for use is the H08A steel band of 0.5mm, and the medicine core for preparing the 2.2mm diameter according to the preparation method of embodiment 1 cuts silk.
It is that 450～500A, killer voltage are under the condition of 45～50V at cutting current that the medicine core that present embodiment makes cuts silk; Q235A steel plate to 20mm thickness cuts under water; Maximum cutting rate is under the operating mode of 210mm/min, current interruption does not take place and the slag phenomenon occurs putting up a bridge, hanging.
Claims (5)
1. one kind is used under water that the medicine core of wet type ARC CUTTING cuts silk, is made up of medicine core and outer steel band, it is characterized in that; Said medicine core is by mass percentage by medicinal powder: dolomite is 8～24%, and quartz sand is 0.5～4%, and cesium carbonate is 0.1～3%; Potash is 0.1～3%, and ceria is 0.6～2.4%, and manganese dioxide is 2.4～4.8%; All the other are that calper calcium peroxide or barium peroxide are formed, and gross mass percentage is 100%.
2. according to claim 1ly be used under water that the medicine core of wet type ARC CUTTING cuts silk, it is characterized in that the ratio of the quality of two kinds of medicinal powder of said ceria and said manganese dioxide is 0.10～0.50: 1.
3. according to claim 1ly be used under water that the medicine core of wet type ARC CUTTING cuts silk, it is characterized in that the particle diameter of described medicinal powder was 100 mesh sieves.
4. according to claim 1ly be used under water that the medicine core of wet type ARC CUTTING cuts silk, it is characterized in that the material of described outer steel band is a mild steel, thickness is 0.4～0.6mm.
5. one kind according to claim 1ly is used for the preparation method that the medicine core of wet type ARC CUTTING under water cuts silk, it is characterized in that, comprises the steps:
(1) takes by weighing medicinal powder by proportioning, and medicinal powder is mixed;
(2) adopt make-up machine that outer steel band is processed U type groove shape;
(3) medicinal powder that mixes is filled in the U type groove, closes up notch;
(4) adopt wire drawing machine by the road drawing, obtain the medicine core and cut silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210057823 CN102554520B (en) | 2012-03-07 | 2012-03-07 | Flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210057823 CN102554520B (en) | 2012-03-07 | 2012-03-07 | Flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
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| CN102554520A true CN102554520A (en) | 2012-07-11 |
| CN102554520B CN102554520B (en) | 2013-11-06 |
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| CN 201210057823 Expired - Fee Related CN102554520B (en) | 2012-03-07 | 2012-03-07 | Flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722960A (en) * | 2015-03-24 | 2015-06-24 | 江苏科技大学 | High-efficiency heat production flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
| CN104722961A (en) * | 2015-03-24 | 2015-06-24 | 江苏科技大学 | Low-cost flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
| CN104858565A (en) * | 2015-06-03 | 2015-08-26 | 哈尔滨工业大学（威海） | Chemical core cutting wire for underwater wet method electric arc cutting |
| CN110497113A (en) * | 2019-08-23 | 2019-11-26 | 哈尔滨工业大学（威海） | A kind of multiduty underwater wet welding self-protection flux-cored wire of low energy consumption |
| CN110936065A (en) * | 2019-12-17 | 2020-03-31 | 浙江永旺焊材制造有限公司 | Novel flux-cored silver solder |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100364A (en) * | 1985-04-01 | 1986-09-24 | 湘潭大学 | A kind of alkaline low-hydrogen welding rod |
| JPS6390388A (en) * | 1986-10-01 | 1988-04-21 | Kobe Steel Ltd | Flux cored wire for welding multiple tube and its manufacture |
| EP0301095A1 (en) * | 1987-02-09 | 1989-02-01 | Institut Elektrosvarki Imeni E.O.Patona Akademii Nauk Ukrainskoi Ssr | Electrode wire |
| CN102152028A (en) * | 2011-04-28 | 2011-08-17 | 武汉晟舜焊接工程科技有限公司 | High-strength and high-toughness flux-cored welding wire material for submerged arc welding with high heat input |
-
2012
- 2012-03-07 CN CN 201210057823 patent/CN102554520B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100364A (en) * | 1985-04-01 | 1986-09-24 | 湘潭大学 | A kind of alkaline low-hydrogen welding rod |
| JPS6390388A (en) * | 1986-10-01 | 1988-04-21 | Kobe Steel Ltd | Flux cored wire for welding multiple tube and its manufacture |
| EP0301095A1 (en) * | 1987-02-09 | 1989-02-01 | Institut Elektrosvarki Imeni E.O.Patona Akademii Nauk Ukrainskoi Ssr | Electrode wire |
| CN102152028A (en) * | 2011-04-28 | 2011-08-17 | 武汉晟舜焊接工程科技有限公司 | High-strength and high-toughness flux-cored welding wire material for submerged arc welding with high heat input |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104722960A (en) * | 2015-03-24 | 2015-06-24 | 江苏科技大学 | High-efficiency heat production flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
| CN104722961A (en) * | 2015-03-24 | 2015-06-24 | 江苏科技大学 | Low-cost flux-cored cutting wire for underwater wet-type arc cutting and preparation method thereof |
| CN104858565A (en) * | 2015-06-03 | 2015-08-26 | 哈尔滨工业大学（威海） | Chemical core cutting wire for underwater wet method electric arc cutting |
| CN110497113A (en) * | 2019-08-23 | 2019-11-26 | 哈尔滨工业大学（威海） | A kind of multiduty underwater wet welding self-protection flux-cored wire of low energy consumption |
| CN110497113B (en) * | 2019-08-23 | 2021-06-01 | 哈尔滨工业大学（威海） | Low-energy-consumption multipurpose underwater wet welding self-protection flux-cored wire |
| CN110936065A (en) * | 2019-12-17 | 2020-03-31 | 浙江永旺焊材制造有限公司 | Novel flux-cored silver solder |
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| CN102554520B (en) | 2013-11-06 |
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Address after: 212028 Zhenjiang, Dantu Metro Industrial Park Rui East Road, No. 9 Patentee after: Jiangsu University of Science and Technology Address before: 212003 Zhenjiang City, Jiangsu province dream Creek Road, No. 2 Patentee before: Jiangsu University of Science and Technology |
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Granted publication date: 20131106 Termination date: 20160307 |