CN102699552A - Underwater manual rapid cutting material - Google Patents
Underwater manual rapid cutting material Download PDFInfo
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- CN102699552A CN102699552A CN2012100082695A CN201210008269A CN102699552A CN 102699552 A CN102699552 A CN 102699552A CN 2012100082695 A CN2012100082695 A CN 2012100082695A CN 201210008269 A CN201210008269 A CN 201210008269A CN 102699552 A CN102699552 A CN 102699552A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 140
- 239000000463 material Substances 0.000 title claims abstract description 108
- 239000000843 powder Substances 0.000 claims abstract description 77
- 239000010949 copper Substances 0.000 claims abstract description 39
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 31
- 239000010959 steel Substances 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 18
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 18
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 18
- 229910052684 Cerium Inorganic materials 0.000 claims abstract description 16
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000009713 electroplating Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 47
- 239000002131 composite material Substances 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 18
- 238000005516 engineering process Methods 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 13
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 9
- 238000005242 forging Methods 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 6
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 229910052748 manganese Inorganic materials 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- -1 polyethylene Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 abstract description 3
- BERDEBHAJNAUOM-UHFFFAOYSA-N copper(I) oxide Inorganic materials [Cu]O[Cu] BERDEBHAJNAUOM-UHFFFAOYSA-N 0.000 abstract 1
- KRFJLUBVMFXRPN-UHFFFAOYSA-N cuprous oxide Chemical compound [O-2].[Cu+].[Cu+] KRFJLUBVMFXRPN-UHFFFAOYSA-N 0.000 abstract 1
- 238000009413 insulation Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 11
- 238000002360 preparation method Methods 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 239000000956 alloy Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000011449 brick Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
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- 238000005553 drilling Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 206010025482 malaise Diseases 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Powder Metallurgy (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to an underwater manual rapid cutting material, which is characterized by comprising a hollow tubular structure which is composed of external cutting tubing and a plurality of internal cutting wires; an insulation layer is arranged at the outer side of the cutting tubing; wherein the cutting tubing is a steel tube which is manufactured by using a fogging process; a copper plated layer 0.1mm thick is plated in and out of the steel tube by using an electroplating process; the cutting wire is composed of the outer skin and the powder core; the outer skin comprises two materials, one is steel strip, and the other is aluminum strip; the ratio of the two different outer skin materials of the cutting wire is (2:1)-(6:1); the powder core contains the following components in percent by weight: 3-20% of Cu2O powder, 5-25% of CuO powder, 2-10% of Al powder, 1-7% of rare earth cerium and the balance of Fe powder. The material is used for rapid cutting, assembling and disassembling of underwater steel structures and reinforced concrete; the gas and the power supply do not need to be cut; and the material is high in cutting efficiency, wide in cutting object range, convenient and safe to carry over, simple to operate and low in cost.
Description
Technical field
The invention belongs to the metal material cutting technique field that is used for manual fly-cutting under water, relate to a kind of craft fly-cutting material under water.
Background technology
21 century is the century of ocean, and along with the exploitation of ocean, a large amount of off-shore structures is built, and simultaneously, also will cause submerged structures such as a large amount of waste and old harbours, discarded drilling platforms to be removed, and is the navigation removing obstacles.And the difficult point of the broken barrier of these submerged structures is that the underwater portion structure can only remove under water, and these submerged structures have reinforced concrete structure, has also increased the difficulty of removing.
Now; Remove under water that metal structure and reinforced concrete structure mainly adopt cutting technique under water, the aerobic of cutting technique under water-combustible gas cutting commonly used at present, oxygen-arc cutting under water, metal-ARC CUTTING, submarine mechanical cutting, water jet cutting, underwater plasma cutting, explode and cut etc.Oxygen-combustible gas cutting is unwell to cutting corrosion resisting steel, stainless steel, cast iron and the non-ferrous metal except that titanium; Oxygen-arc cutting under water, metal-ARC CUTTING, submarine mechanical cutting, water jet cutting, underwater plasma cutting all need livewire work; There is potential safety hazard; And water jet cutting, underwater plasma cutting devices needed are comparatively complicated, and equipment manufacturing cost is expensive, huge to be difficult for portablely, and blast cutting danger is bigger.
Patent application CN201010536018.5 discloses a kind of manual fly-cutting material; A kind of manual fly-cutting material; It is characterized in that: incising pipes and inner many undercuts by the outside cut the hollow tubular structure that a material is formed; Wherein said incising pipes is the steel pipe that adopts Forging Technology to be prepared from, and the inside and outside electroplating technology that adopts of steel pipe respectively is coated with the thick copper plate of 0.1mm; Said cutting silk material length is identical with incising pipes, is made up of crust and powder core, and said crust is a mild steel 08F steel band; Its chemical composition is: by weight percentage, C 0.05%～0.11%, Si≤0.03%; Mn 0.25%～0.50%, P≤0.035%, S≤0.035%; Ni≤0.25%, Cr≤0.10%, all the other are iron and unavoidable impurities; Said powder core consists of CuO powder 2～8% by weight percentage, rare earth cerium 0.4～2%, and surplus is an iron powder.But; The powder core component of this craft fly-cutting material and constituent content only are adapted at cutting in the air; Its heat release alloy CuO and the Fe liberated heat that in oxygen, burns is nowhere near and supports cutting material continual burning in water, cuts under water thereby can't satisfy it.
Therefore; Need badly at the research electric arc heat release alloy material that ignites and produce on the basis of high-energy principle; Develop a kind of need not to cut combustion gas and cutting power supply, cutting speed is fast, safety; Cutting material under water easy to carry, simple to operate and cost is low is used for the fly-cutting and the dismounting of underwater environment steel construction and armored concrete.
Summary of the invention
The present invention is directed to the defective of existing various cutting techniques under water; Utilize the combustion characteristics of exothermic material in oxygen, a kind of need not to cut combustion gas and cutting power supply are provided, cutting efficiency is high; The cutting object scope is wide; Easy to carry, safety, simple to operate and manual under water fly-cutting material that cost is low and preparation method thereof is used for the fly-cutting of metal and armored concrete under water and cracks.
Technical scheme of the present invention is: a kind of manual under water fly-cutting material is characterized in that: this cutting material cuts a material by the incising pipes of outside with inner many undercuts to be formed, and a layer insulating is arranged outside the incising pipes; Said cutting silk material length is identical with incising pipes length, and cutting silk material is made up of crust and powder core, and said crust comprises two kinds of materials; A kind of crust is a SPCC-SD type cold-rolled strip, and its chemical composition is: by weight percentage, and C≤0.15%; Mn≤0.60%; P≤0.1%, S≤0.025%, all the other are iron and unavoidable impurities; Another kind of crust is an aluminium strip, and the ratio of the cutting silk material of two kinds of different skin materials is 2: 1～6: 1, and said powder core consists of Cu by weight percentage
2O powder 3～20%, CuO powder 5～25%, Al powder 2～10%, rare earth cerium 1～7%, surplus is the Fe powder.
Further; Outside incising pipes is the steel pipe that adopts Forging Technology to be prepared from; The inside and outside electroplating technology that adopts of steel pipe respectively is coated with the thick copper plate of 0.1mm, and said cutting silk material is along the incising pipes inner wall even distribution of outside, and forms hollow structure in the incising pipes center.
Further, outside incising pipes is formed by the composite metal belt coiling, and realizes the flexible bending of incising pipes thus, and said cutting silk material is along outside tubing inner wall even distribution, and forms hollow structure in the incising pipes center.
Further, the upper and lower surfaces of said composite metal belt adopts electroplating technology respectively to be coated with the thick copper plate of 0.1mm.
Further, composite metal belt is that mid portion is thick, the structure of thin edge; In the composite metal belt winding process, the edge is overlapped, the thickness after the imbricate and the consistency of thickness of composite metal belt mid portion, thus make the outer surface smoother of twining the incising pipes that forms behind the cutting silk material.
Further, said iron particle size is-80～200 orders, and CuO powder degree is-80～200 orders, Cu
2O powder degree is-80～200 orders, and rare earth cerium granularity is-300 orders.
Further, said insulating barrier is the epoxy resin layer that is wrapped in the polyethylene glue belt in the incising pipes outside or is coated in the incising pipes outside.
Further, the diameter of said cutting silk material and the ratio scope of the wall thickness of incising pipes are 2.1～3.
Further, with mild steel 08F steel band replacement SPCC-SD type cold-rolled strip, the chemical composition after the replacement is: by weight percentage; C 0.05%～0.11%, Si≤0.03%, and Mn 0.25%～0.50%; P≤0.035%, S≤0.035%, Ni≤0.25%; Cr≤0.10%, all the other are iron and unavoidable impurities.
Further, with mild steel 08F steel band replacement SPCC-SD type cold-rolled strip, the chemical composition of mild steel 08F steel band is: by weight percentage; C 0.05%～0.11%, Si≤0.03%, and Mn 0.25%～0.50%; P≤0.035%, S≤0.035%, Ni≤0.25%; Cr≤0.10%, all the other are iron and unavoidable impurities.
The invention has the beneficial effects as follows:
1) portability; Whole system mainly contains striking power supply, industrial oxygen bottle, cutting gun etc.; In the cutting process, battery striking power supply, industrial oxygen bottle are in more than the water surface, and operating personnel only need carry cutting gun and cutting material is worked under water; Singlely just can carry, needn't look like the equipment of needs complicacy heavinesses such as machinery cutting, plasma cutting;
2) do not need cutting power supply and cutting combustion gas; The cutting material that only need ignite under water just can break off the striking power supply; By the comburant oxygen effect; Utilize under cutting material burning self the liberated heat held water the further sustained combustion of manual fly-cutting material that workpiece is cut, do not need cutting power supply and cutting combustion gas;
3) through changing the material of crust, particularly adopt aluminium to do crust after, strengthened the inflammability of cutting material, make the energy of emitting in its combustion process further improve;
4) cutting efficiency is high, and manual fly-cutting material combustion can reach the high temperature more than 5000 ℃, and cutting efficiency is that the 8-20 of oxygen-fuel gas cutting doubly has higher cutting speed, and cutting efficiency is high.
5) the cutting object scope is wide; Manual under water fly-cutting material is to utilize the liberated heat of material combustion own to support the further sustained combustion of cutting material, cutting material of the present invention even carry out operation under water what surpass 60 meters depth of waters, simultaneously; This material receives the restriction of institute's cutting object material composition unlike the oxy-acetylene flame that kind; Can cut all metal materials, also can cut nonmetallic materials such as concrete, brick or rock, the cutting object scope is wide.
6) cost is low, and this manual under water fly-cutting material does not need complex apparatus, and used material composition is mainly iron, and therefore, manufacturing cost is lower.
Description of drawings
Accompanying drawing 1 is that incising pipes is the manual under water fly-cutting material sketch map that steel pipe constitutes;
Accompanying drawing 2 is that incising pipes is the cross sectional representation of the manual under water fly-cutting material of composite metal belt formation;
Accompanying drawing 4 is cross sectional representation of the manual under water fly-cutting material of specification 2;
Accompanying drawing 5 is cross sectional representation of the manual under water fly-cutting material of specification 3;
Accompanying drawing 6 is sketch mapes of composite metal belt.
Wherein, 1-incising pipes; 2-cutting silk material; 3-silk material crust; The 4-insulating barrier
The specific embodiment
Do further description below in conjunction with embodiment and 1～6 couple of the present invention of accompanying drawing:
A kind of manual under water fly-cutting material of the present invention, this cutting material cut a material by the incising pipes of outside with inner many undercuts to be formed, and a layer insulating is arranged outside the incising pipes; Said cutting silk material length is identical with incising pipes length; Cutting silk material is made up of crust and powder core, and said crust comprises two kinds of materials, and a kind of crust is the mild steel steel band; Another kind of crust is an aluminium strip; The ratio of the cutting silk material of two kinds of different skin materials is 2: 1～6: 1, and said powder core consists of Cu by weight percentage
2O powder 3～20%, CuO powder 5～25%, Al powder 2～10%, rare earth cerium 1～7%, surplus is the Fe powder.
Cu in the cutting silk material among the present invention
2The adding of O powder and CuO powder is in order to utilize Cu
2A large amount of heats are emitted in O powder and CuO powder and aluminium, iron reaction, are supported in carrying out smoothly of cutting under water.Work as Cu
2O grain weight amount percentage is less than 3%, and CuO grain weight amount percentage was less than 5% o'clock, and liberated heat is few, and cutting speed is less, and works as Cu
2O grain weight amount percentage is greater than 20%, and CuO grain weight amount percentage was greater than 25% o'clock, and reaction is violent, and burning velocity is too fast, is not easy control.Cu
2Adding in the time of O powder and CuO powder can be so that course of reaction be steady, lasting, and cutting process also relatively steadily under water.The adding of Al powder is because aluminium and Cu
2A large amount of heats are emitted in O powder and the reaction of CuO powder, and its content range is by Cu
2The content decision of O powder and CuO powder.
The adding of rare earth cerium can improve the efficiency of combustion of cutting material, promotes cutting material fully burning in oxygen.When rare earth cerium percentage by weight less than 1% the time, very little to the raising effect of efficiency of combustion, in 1～7% scope; Along with the increase of rare earth cerium weight ratio, also increasing to the raising of efficiency of combustion, but surpass 7%; To the raising of efficiency of combustion with 7% compare change little; And rare earth cerium price is higher, in order to practice thrift cost, elects 1～7% as.
In the preferred implementation of the present invention, a kind of crust is a SPCC-SD type cold-rolled strip, and its chemical composition is: by weight percentage, C≤0.15%, Mn≤0.60%, P≤0.1%, S≤0.025%, all the other are iron and unavoidable impurities; Said powder core consists of Cu by weight percentage
2O powder 3～20%, CuO powder 5～25%, Al powder 2～10%, rare earth cerium 1～7%, surplus is the Fe powder.A kind of in addition skin material is an aluminium.
According to the different demands of practical applications, the crust steel band can also be mild steel 08F steel band: by weight percentage, C 0.05%～0.11%; Si≤0.03%, Mn 0.25%～0.50%, P≤0.035%; S≤0.035%; Ni≤0.25%, Cr≤0.10%, all the other are iron and unavoidable impurities.
According to the different demands of practical applications, can process the different cutting material of specification, for example:
Specification 1: the forging and pressing seamless steel pipe of selecting the about 0.7mm of wall thickness for use; Adopt electroplating technology again; Outer within it both sides plate the copper plate of thick approximately 0.1mm; Perhaps prepare and have copper-composite pipe of iron/copper three-decker, the upper and lower surfaces of the composite metal belt of said manufacturing composite pipe adopts electroplating technology respectively to be coated with the thick copper plate of 0.1mm.
The preparation composite metal belt can adopt Forging Technology to be prepared into the composite metal belt that thickness is iron/copper-iron of 0.8mm, carries out copper facing again, and the copper facing flow process is acetone oil removing-washing-7% watery hydrochloric acid rust cleaning-washing-electronickelling bottoming-washing-copper facing-wash-dry up; Again composite metal belt being wrapped in many undercuts and cutting on the material, be prepared into the cutting material with hollow structure, in the incising pipes outside one layer insulating is arranged, is to be wrapped in the incising pipes outside and to be formed by a kind of polyethylene tape.As shown in Figure 6, composite metal belt is that mid portion is thick, the structure of thin edge; Composite metal belt twines to be processed in the composite pipe process, and the edge is overlapped, the thickness after the imbricate and the consistency of thickness of composite metal belt mid portion, thereby the outer surface smoother of the feasible incising pipes that forms.
The total wall thickness of incising pipes is about 0.9mm; Internal diameter 5.2mm, external diameter 7mm, the incising pipes of preparation are about and are 600mm.
Cutting silk material diameter is 2.4mm, is about to be 600mm, and totally 3 are assemblied in the incising pipes.Said cutting silk material is along outside tubing inner wall even distribution, and forms hollow structure in the incising pipes center.
Specification 2: select the forging and pressing seamless steel pipe of the about 0.8mm of wall thickness for use, adopt electroplating technology again, outer within it both sides plate the copper plate of thick approximately 0.1mm, as stated, or prepare and have copper-composite pipe of iron/copper three-decker.The total wall thickness of tubing is about 1mm; Internal diameter 6.6mm, external diameter 8.6mm, the incising pipes of preparation are about and are 600mm.
Cutting silk material diameter is 2.4mm, is about to be 600mm, and totally 5 are assemblied in the incising pipes.
Specification 3: select the forging and pressing seamless steel pipe of the about 0.8mm of wall thickness for use, adopt electroplating technology again, outer within it both sides plate the copper plate of thick approximately 0.1mm, as stated, or prepare and have copper-composite pipe of iron/copper three-decker.The total wall thickness of tubing is about 1mm; Internal diameter 8mm, external diameter 10mm, the incising pipes of preparation are about and are 600mm.
Cutting silk material diameter is 2.4mm, is about to be 600mm, and totally 7 are assemblied in the incising pipes.
Find that through experimental study the diameter of said cutting silk material and the ratio scope of the wall thickness of incising pipes can reach combustion efficiency preferably 2.1～3.
According to the different demands of practical applications, can adopt different percentage by weight powder core processing cutting materials, for example:
Wherein, said iron particle size is-80～200 orders, and CuO powder degree is-80～200 orders, Cu
2O powder degree is-80～200 orders, and rare earth cerium granularity is-300 orders.
Through multi-functional powder cored filament material make-up machine, adopt the continuous hot candied tube reducing method of multiple roll continuous rolling and multiple tracks to make then, through sanction band, roll band, fill out powder, seal, wire drawing, alignment and cutting operation, promptly get and cut a material; Preparation silk material speed is about 40m/min, and alignment speed is about 5m/min.
The steel pipe that the employing Forging Technology is prepared from is as the incising pipes of outside, and the inside and outside electroplating technology that adopts of steel pipe respectively is coated with the thick copper plate of 0.1mm; Adopt polyethylene tape to be wrapped in the incising pipes outside as insulating barrier.
3 undercuts are cut a material be assembled in the said incising pipes inner chamber, form manual fly-cutting material under water, wherein, two is the mild steel crust, and one is the aluminium crust.
Wherein, incising pipes also can use the composite pipe of aforesaid copper-iron/copper three-decker, and the incising pipes that is formed by the composite metal belt coiling can be realized the flexible bending of incising pipes, and is coiled in together like the tightrope thigh.
Table 1
| Powder core composition | Percentage by weight % |
| Cu
2The |
3％ |
| The CuO powder | 5％ |
| Aluminium powder | 10％ |
| The |
1％ |
| Iron powder | Surplus |
The manual under water fly-cutting material that adopts method for preparing to form carries out cutting test to the 45# steel plate at 1 meter thick 20mm in of the depth of water, and cutting speed is 0.6mm/s.
What this embodiment and embodiment 1 were different is: just Al powder, Fe powder, Cu
2O powder, CuO powder and rare earth alloy powder mix by content proportioning as shown in table 2,5 undercuts are cut a material be assemblied in the incising pipes inner chamber, wherein; 4 is the steel crust; 1 is the aluminium crust, and preparation silk material speed is about 120m/min, and alignment speed is about 22m/min.
Table 2
| Powder core composition | Percentage by weight % |
| Cu 2The O powder | 20％ |
| The CuO powder | 5％ |
| Aluminium powder | 5％ |
| The rare earth cerium | 7％ |
| Iron powder | Surplus |
The manual under water fly-cutting material that adopts method for preparing to form carries out cutting test to the 45# steel plate at 1 meter thick 20mm in of the depth of water, and cutting speed is 1.4mm/s.
Wherein, incising pipes also can use the composite pipe of aforesaid copper-iron/copper three-decker, and the incising pipes that is formed by the composite metal belt coiling can be realized the flexible bending of incising pipes, and is coiled in together like the tightrope thigh.
What this embodiment and embodiment 1 were different is: just Al powder, Fe powder, Cu
2O powder, CuO powder and rare earth alloy powder mix by content proportioning as shown in table 3; When containing 7 rhizoid materials in the tubing, wherein can have 1～3 to be aluminium crust bag metal powder, remaining is an iron crust bag metal powder; Preparation silk material speed is about 80m/min, and alignment speed is about 18m/min.
Wherein, incising pipes also can use the composite pipe of aforesaid copper-iron/copper three-decker, and the incising pipes that is formed by the composite metal belt coiling can be realized the flexible bending of incising pipes, and is coiled in together like the tightrope thigh.
Table 3
| Powder core composition | Percentage by weight % |
| Cu 2The O powder | 10％ |
| The CuO powder | 25 |
| Aluminium powder | |
| 2％ | |
| The rare earth cerium | 7％ |
| Iron powder | Surplus |
The manual under water fly-cutting material that adopts method for preparing to form carries out cutting test to the 45# steel plate at 1 meter thick 20mm in of the depth of water, and cutting speed is 2.5mm/s.
Material of the present invention can be applied to the cutting of metal material under water or nonmetallic materials; Usually nonmetallic materials can be concrete, brick or rock, and in addition, because the incising pipes that the composite metal belt coiling forms can be realized the flexible bending of incising pipes, therefore, its length can not receive the restriction of underwater environment and equipment.
Claims (9)
1. manual under water fly-cutting material is characterized in that: this cutting material cuts a material by the incising pipes of outside with inner many undercuts to be formed, and a layer insulating is arranged outside the incising pipes; Said cutting silk material length is identical with incising pipes length, and cutting silk material is made up of crust and powder core, and said crust comprises two kinds of materials; A kind of crust is a SPCC-SD type cold-rolled strip, and its chemical composition is: by weight percentage, and C≤0.15%; Mn≤0.60%; P≤0.1%, S≤0.025%, all the other are iron and unavoidable impurities; Another kind of crust is an aluminium strip, and the ratio of the cutting silk material of two kinds of different skin materials is 2: 1～6: 1, and said powder core consists of Cu by weight percentage
2O powder 3～20%, CuO powder 5～25%, Al powder 2～10%, rare earth cerium 1～7%, surplus is the Fe powder.
2. manual under water fly-cutting material as claimed in claim 1; It is characterized in that: outside incising pipes is the steel pipe that adopts Forging Technology to be prepared from; The inside and outside electroplating technology that adopts of steel pipe respectively is coated with the thick copper plate of 0.1mm; Said cutting silk material is along the incising pipes inner wall even distribution of outside, and forms hollow structure in the incising pipes center.
3. manual under water fly-cutting material as claimed in claim 1; It is characterized in that: outside incising pipes is formed by the composite metal belt coiling; And realize the flexible bending of incising pipes thus; Said cutting silk material is along outside tubing inner wall even distribution, and forms hollow structure in the incising pipes center.
4. manual under water fly-cutting material as claimed in claim 3 is characterized in that: the upper and lower surfaces of said composite metal belt adopts electroplating technology respectively to be coated with the thick copper plate of 0.1mm.
5. manual under water fly-cutting material as claimed in claim 3, it is characterized in that: composite metal belt is that mid portion is thick, the structure of thin edge; In the composite metal belt winding process, the edge is overlapped, the thickness after the imbricate and the consistency of thickness of composite metal belt mid portion, thus make the outer surface smoother of twining the incising pipes that forms behind the cutting silk material.
6. manual under water fly-cutting material as claimed in claim 1, it is characterized in that: said iron particle size is-80～200 orders, CuO powder degree is-80～200 orders, Cu
2O powder degree is-80～200 orders, and rare earth cerium granularity is-300 orders.
7. manual under water fly-cutting material as claimed in claim 1 is characterized in that: said insulating barrier is the epoxy resin layer that is wrapped in the polyethylene glue belt in the incising pipes outside or is coated in the incising pipes outside.
8. one kind like the arbitrary described manual under water fly-cutting material of claim 1, it is characterized in that: the diameter of said cutting silk material and the ratio scope of the wall thickness of incising pipes are 2.1～3.
9. manual under water fly-cutting material as claimed in claim 1 is characterized in that: with mild steel 08F steel band replacement SPCC-SD type cold-rolled strip, the chemical composition of mild steel 08F steel band is: by weight percentage; C0.05%～0.11%, Si≤0.03%, Mn 0.25%～0.50%; P≤0.035%, S≤0.035%, Ni≤0.25%; Cr≤0.10%, all the other are iron and unavoidable impurities.
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| CN201210008269.5A CN102699552B (en) | 2012-01-12 | 2012-01-12 | Underwater manual rapid cutting material |
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| CN102699552B CN102699552B (en) | 2015-05-06 |
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| CN102873464A (en) * | 2012-10-22 | 2013-01-16 | 江苏科技大学 | Welding stick provided with middle insulating layer |
| CN103909357A (en) * | 2014-04-08 | 2014-07-09 | 北京工业大学 | Flux-cored cutting wire for closed space cutting under pressure |
| CN107755855A (en) * | 2017-11-21 | 2018-03-06 | 山东省科学院海洋仪器仪表研究所 | A kind of anaerobic imderwater cutting electrode and underwater steel cutting method |
| CN115229376A (en) * | 2021-11-10 | 2022-10-25 | 北京汉锐益新科技有限公司 | Rope-shaped metal cutting material for underwater thermal state cutting |
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