CN110026706A - Oil drill rocker head wear-resisting welding wire with flux core and its manufacturing method - Google Patents
Oil drill rocker head wear-resisting welding wire with flux core and its manufacturing method Download PDFInfo
- Publication number
- CN110026706A CN110026706A CN201910213330.1A CN201910213330A CN110026706A CN 110026706 A CN110026706 A CN 110026706A CN 201910213330 A CN201910213330 A CN 201910213330A CN 110026706 A CN110026706 A CN 110026706A
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- China
- Prior art keywords
- parts
- welding wire
- core
- resisting welding
- wear
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
- B23K35/0255—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in welding
- B23K35/0261—Rods, electrodes, wires
- B23K35/0266—Rods, electrodes, wires flux-cored
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/24—Selection of soldering or welding materials proper
- B23K35/30—Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
- B23K35/3053—Fe as the principal constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/40—Making wire or rods for soldering or welding
- B23K35/406—Filled tubular wire or rods
Abstract
The present invention relates to flux-cored wire technical fields, more particularly to oil drill rocker head wear-resisting welding wire with flux core and its manufacturing method, oil drill rocker head wear-resisting welding wire with flux core is made of medicine core and the crust being coated on the outside of medicine core, the component of medicine core includes iron powder, manganese metal, nickel powder, molybdenum-iron, it is atomized ferrosilicon, ferro-niobium, rare earth fluoride, sodium fluoride, graphite, tungsten carbide and crome metal, it mainly comprises the following steps and is first stirred raw material to obtain medicine core powder, medicine core powder is put into encapsulation in crust afterwards and obtains semi-finished product, semi-finished product wire drawing draft is finally obtained into wear-resisting welding wire with flux core, the oil drill rocker head wear-resisting welding wire with flux core being prepared through this method is higher compared to existing welding wire abrasivity, the service life is longer.
Description
Technical field
The present invention relates to flux-cored wire technical fields, and in particular to oil drill rocker head wear-resisting welding wire with flux core and its manufacturer
Method.
Background technique
In drilling field, it usually needs be fixed on drilling rod drill bit by tool joint and drill, still, drilling
In the process, drill bit, tool joint, can rub between drilling rod so that the service life of tool joint and drilling rod is significantly
It reduces, therefore, in order to avoid abrasion, it usually needs improve the rub proofness of flux-cored wire.
Summary of the invention
For the deficiencies in the prior art, mesh of the present invention provides oil drill rocker head wear-resisting welding wire with flux core and its system
Method is made, the technical problem to be solved is that the abrasivities and intensity that how to improve oil drill rocker head wear-resisting welding wire with flux core.
In order to solve the above technical problems, present invention provide the technical scheme that oil drill rocker head wear-resisting welding wire with flux core, by
Medicine core and the crust being coated on the outside of medicine core form, and medicine core includes following component by weight: 20~30 parts of iron powder, manganese metal
5~10 parts, 5~10 parts of nickel powder, 2~5 parts of molybdenum-iron, 10~15 parts of ferrosilicon of atomization, 5~10 parts of ferro-niobium, 1~5 part of rare earth fluoride, fluorine
Change 1~5 part of sodium, 1~5 part of graphite, 15~30 parts of tungsten carbide, 1~10 part of crome metal.
Further, stating medicine core by weight includes following component: 30 parts of iron powder, 8 parts of manganese metal, and 6 parts of nickel powder, molybdenum-iron
5 parts, it is atomized 15 parts of ferrosilicon, 7 parts of ferro-niobium, 5 parts of rare earth fluoride, 3 parts of sodium fluoride, 2 parts of graphite, 21 parts of tungsten carbide, 9 parts of crome metal.
Further, the iron powder, manganese metal, nickel powder, molybdenum-iron of selection, atomization ferrosilicon, ferro-niobium, rare earth fluoride, sodium fluoride, stone
The partial size of ink, tungsten carbide and crome metal is 20~60 μm.
Further, crust is mild-carbon steel strip crust.
Further, the width of mild-carbon steel strip crust is 18~22mm, with a thickness of 0.4~0.46mm.
Further, the weight of medicine core accounts for the 50%~55% of entire wear-resisting welding wire with flux core total weight.
The manufacturing method of oil drill rocker head wear-resisting welding wire with flux core, includes the following steps:
S1: selection 20~30 parts of iron powder, 5~10 parts of manganese metal, 5~10 parts of nickel powder, 2~5 parts by weight
Molybdenum-iron, 10~15 parts of atomization ferrosilicon, 5~10 parts of ferro-niobium, 1~5 part of rare earth fluoride, 1~5 part of sodium fluoride, 1~5
The graphite, 15~30 parts of tungsten carbide of part are raw material, and above-mentioned raw materials are mixed to obtain medicine core powder.
Beneficial effect of the invention is that through this method preparation oil drill rocker head wear-resisting welding wire with flux core compared to
Existing welding wire has better anti-wear effect, to improve the service life of equipment.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the step flow chart of the manufacturing method of oil drill rocker head wear-resisting welding wire with flux core of the present invention；
Fig. 2 is primary sample jumping through rings and wear-resisting welding wire with flux core prepared in embodiment 1 weldering in abrasion test
The geometric parameter schematic diagram of jumping through rings sample after connecing；
Fig. 3 is the Comparative result schematic diagram of abrasion test.
Specific embodiment
Below in conjunction with attached drawing, preferable examples of the present invention will be described, it should be understood that preferred embodiment described herein
Only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
In oil drill rocker head wear-resisting welding wire with flux core of the present invention and its manufacturing method, the wear-resisting medicine core weldering of oil drill rocker head
Silk is made of medicine core and the crust being coated on the outside of medicine core, and medicine core includes following component by weight: 20~30 parts of iron powder, gold
5~10 parts of manganese of category, 5~10 parts of nickel powder, 2~5 parts of molybdenum-iron, 10~15 parts of ferrosilicon of atomization, 5~10 parts of ferro-niobium, rare earth fluoride 1~5
Part, 1~5 part of sodium fluoride, 1~5 part of graphite, 15~30 parts of tungsten carbide, 1~10 part of crome metal.
Wherein, the component of medicine core accounts for the 50%~55% of entire welding wire total weight, iron powder, manganese metal, nickel powder, molybdenum-iron, mist
SiClx iron, ferro-niobium, rare earth fluoride, sodium fluoride, graphite, tungsten carbide and crome metal partial size be 20~60 μm, crust is width
For 18~22mm, with a thickness of the mild-carbon steel strip crust of 0.4~0.46mm.
The present invention will then be illustrated with several specific embodiments above-mentioned:
Embodiment 1: the manufacturing method of oil drill rocker head wear-resisting welding wire with flux core includes the following steps:
S1: selection partial size is 40 μm of 30 parts of iron powder, 8 parts of manganese metal, 6 parts of nickel powder, 5 parts by weight
Molybdenum-iron, 15 parts of atomization ferrosilicon, 7 parts of ferro-niobium, 5 parts of rare earth fluoride, 3 parts of sodium chloride, 2 parts of graphite, 21 parts of carbonization
Tungsten is raw material, and medicine core powder is obtained after above-mentioned raw materials are mixed；
S2: selection width is 20mm, rolls into U-shaped as crust with a thickness of the mild-carbon steel strip of 0.4mm, and will be obtained in S1
Medicine core powder, which is put into crust, is packaged to obtain wear-resisting welding wire with flux core semi-finished product；
S3: carrying out wire drawing draft for wear-resisting welding wire with flux core semi-finished product obtained in S2, its diameter finally made to reach 1.6mm,
Wear-resisting welding wire with flux core is obtained, and in the wear-resisting welding wire with flux core, the weight of medicine core accounts for 53.4%.
Embodiment: 2: the manufacturing method of oil drill rocker head wear-resisting welding wire with flux core includes the following steps:
S1: selection partial size is 20 μm of 20 parts of iron powder, 5 parts of manganese metal, 5 parts of nickel powder, 2 parts by weight
Molybdenum-iron, 10 parts of atomization ferrosilicon, 5 parts of ferro-niobium, 1 part of rare earth fluoride, 1 part of sodium chloride, 1 part of graphite, 15 parts of carbonization
Tungsten is raw material, and medicine core powder is obtained after above-mentioned raw materials are mixed；
S2: selection width is 18mm, rolls into U-shaped as crust with a thickness of the mild-carbon steel strip of 0.4mm, and will be obtained in S1
Medicine core powder, which is put into crust, is packaged to obtain wear-resisting welding wire with flux core semi-finished product；
S3: carrying out wire drawing draft for wear-resisting welding wire with flux core semi-finished product obtained in S2, its diameter finally made to reach 1.6mm,
Wear-resisting welding wire with flux core is obtained, and in the wear-resisting welding wire with flux core, the weight of medicine core accounts for 50%.
Embodiment 3: the manufacturing method of oil drill rocker head wear-resisting welding wire with flux core includes the following steps:
S1: selection partial size is 60 μm of 30 parts of iron powder, 10 parts of manganese metal, 10 parts of nickel powder, 5 parts by weight
Molybdenum-iron, 15 parts of atomization ferrosilicon, 10 parts of ferro-niobium, 5 parts of rare earth fluoride, 5 parts of sodium fluoride, 5 parts of graphite, 30 parts of carbon
Change tungsten is raw material, and medicine core powder is obtained after above-mentioned raw materials are mixed；
S2: selection width is 22mm, rolls into U-shaped as crust with a thickness of the mild-carbon steel strip of 0.46mm, and will be obtained in S1
Medicine core powder be put into crust and be packaged to obtain wear-resisting welding wire with flux core semi-finished product；
S3: carrying out wire drawing draft for wear-resisting welding wire with flux core semi-finished product obtained in S2, its diameter finally made to reach 1.6mm,
Wear-resisting welding wire with flux core is obtained, and in the wear-resisting welding wire with flux core, the weight of medicine core accounts for 55%.
Heap is welded on steel the wear-resisting welding wire with flux core that embodiment 1,2,3 is prepared respectively, the flux-cored wire postwelding measured
Hardness HRC is all larger than 62 and less than 65, and without slag, welding bead is smooth on surface, and there is no splashing in the welding process.
Abrasion test: wear-resisting welding wire with flux core welding prepared in primary sample jumping through rings and embodiment 1 is selected respectively
Jumping through rings afterwards is sample, and respectively marked as sample No. 0 and sample DPM-150, geometric parameter is as shown in Figure 2.
With 5~10 times of magnifying power to No. 0 progress visual analysis of sample, and to tool joint on sample DPM-150
The primitive part of connector part is machined, and is slotted to superficial layer, then to sample DPM-150 on testing stand
Number tool joint cut, wherein dimensional tolerance should reach credit rating 7, and be not less than 7 grades of surface roughness requirements.
To No. DPM-150 progress spectrum analysis sampling of sample and spectrum analysis, and measure sample 0 roughness.
Prepare the abrasive material that granular size is 16 milligrams, screening and preliminarily dried is carried out in material interior, so that humidity parameter is not
More than 0.15%.
First analyze sample 0 hardness, according to GOST23.208-79 standard on testing stand to sample DPM-
No. 150 are tested, its wear intensity is measured, and test result is as shown in Figure 3.
In conclusion available by above-mentioned experiment, the wear-resisting medicine core of the oil drill rocker head being prepared through the present invention is welded
Silk has superior technique effect compared with the prior art.
Finally, it should be noted that being not intended to restrict the invention the foregoing is merely preferred embodiment of the invention, to the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, for those skilled in the art, still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in guarantor of the invention
Within the scope of shield.
Claims (7)
1. oil drill rocker head wear-resisting welding wire with flux core, it is characterised in that:
It is made of medicine core and the crust being coated on the outside of the medicine core, the medicine core includes following component: iron powder by weight
20~30 parts, 5~10 parts of manganese metal, 5~10 parts of nickel powder, 2~5 parts of molybdenum-iron, 10~15 parts of ferrosilicon of atomization, 5~10 parts of ferro-niobium, fluorine
Change 1~5 part of rare earth, 1~5 part of sodium fluoride, 1~5 part of graphite, 15~30 parts of tungsten carbide, 1~10 part of crome metal.
2. oil drill rocker head wear-resisting welding wire with flux core according to claim 1, it is characterised in that: the medicine core is by weight
Meter includes following component: 30 parts of iron powder, 8 parts of manganese metal, 6 parts of nickel powder, 5 parts of molybdenum-iron, being atomized 15 parts of ferrosilicon, 7 parts of ferro-niobium, is fluorinated dilute
5 parts, 3 parts of sodium fluoride, 2 parts of graphite, 21 parts of tungsten carbide, 9 parts of crome metal of soil.
3. oil drill rocker head wear-resisting welding wire with flux core according to claim 1, it is characterised in that: the iron powder of selection,
Manganese metal, nickel powder, molybdenum-iron, atomization ferrosilicon, ferro-niobium, rare earth fluoride, sodium fluoride, graphite, tungsten carbide and crome metal partial size be
20~60 μm.
4. oil drill rocker head wear-resisting welding wire with flux core according to claim 1, it is characterised in that: the crust is mild steel
Band crust.
5. oil drill rocker head wear-resisting welding wire with flux core according to claim 4, it is characterised in that: the mild-carbon steel strip crust
Width be 18~22mm, with a thickness of 0.4~0.46mm.
6. oil drill rocker head wear-resisting welding wire with flux core according to claim 1, it is characterised in that: the weight of the medicine core accounts for
The 50%~55% of the entire wear-resisting welding wire with flux core total weight.
7. the manufacturing method of oil drill rocker head wear-resisting welding wire with flux core, it is characterised in that:
Include the following steps:
S1: selection 20~30 parts of iron powder, 5~10 parts of manganese metal, 5~10 parts of nickel powder, 2~5 parts of molybdenum by weight
Iron, 10~15 parts of atomization ferrosilicon, 5~10 parts of ferro-niobium, 1~5 part of rare earth fluoride, 1~5 part of sodium fluoride, 1~5 part
Graphite, 15~30 parts of tungsten carbide are raw material, and above-mentioned raw materials are mixed to obtain medicine core powder；
S2: it is packaged medicine core powder obtained in S1 to obtain wear-resisting welding wire with flux core semi-finished product using crust；
S3: wear-resisting welding wire with flux core semi-finished product obtained in S2 are subjected to wire drawing draft, obtain wear-resisting welding wire with flux core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213330.1A CN110026706B (en) | 2019-03-20 | 2019-03-20 | Wear-resistant flux-cored wire for oil drill pipe head and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910213330.1A CN110026706B (en) | 2019-03-20 | 2019-03-20 | Wear-resistant flux-cored wire for oil drill pipe head and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN110026706A true CN110026706A (en) | 2019-07-19 |
| CN110026706B CN110026706B (en) | 2021-05-28 |
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| CN201910213330.1A Active CN110026706B (en) | 2019-03-20 | 2019-03-20 | Wear-resistant flux-cored wire for oil drill pipe head and manufacturing method thereof |
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|---|---|
| CN110026706B (en) | 2021-05-28 |
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