CN109321913A - To the surface peening of petroleum drilling bit and device is remanufactured based on laser melting coating - Google Patents
To the surface peening of petroleum drilling bit and device is remanufactured based on laser melting coating Download PDFInfo
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- CN109321913A CN109321913A CN201811521657.7A CN201811521657A CN109321913A CN 109321913 A CN109321913 A CN 109321913A CN 201811521657 A CN201811521657 A CN 201811521657A CN 109321913 A CN109321913 A CN 109321913A
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- China
- Prior art keywords
- laser
- surface peening
- bit
- workbench
- inert gas
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
- C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
Abstract
It is of the present invention a kind of device to the surface peening of petroleum drilling bit and to be remanufactured based on laser melting coating, control panel moves axis connection with X/Y workbench and X/Y respectively, argon gas and laser controlling cabinet are connected with laser, inert gas, alloy powder outlet simultaneously, laser, inert gas, alloy powder outlet are connect with six axis robot, and X/Y workbench is equipped with to surface peening or damaged drill bit.The present apparatus makes bit face impact resistance with higher, intensity, first property, wearability, considerably increases its service life, and 2-3 times before being.By Metallographic Analysis, cladding layer has the defects of good internal organizational structure, bubble-free, shrinkage cavity, crackle.Through the invention, production cost is greatly reduced, working efficiency is improved, realizes that waste product remanufactures, it is effective to save the waste for controlling production material.
Description
Technical field
The present invention relates to petroleum equipment technical field, in particular to it is a kind of based on laser melting coating to the table of petroleum drilling bit
It surface strengthening and remanufactures.
Background technique
Crude oil in poor quality and processing high parameter keep petroleum drilling bit operating condition more and more severe, receive it for a long time high negative
Lotus simultaneously runs under high temperature, high pressure, high corrosion, and corrosion failure occurs ahead of time, greatly reduces service life, brings various
Loss.Each Petrochemical Enterprises in China actively seek to refine oil the corrosion countermeasure of drill bit, in material antiseptic erosion, corrosion monitoring, material upgrading
Etc. dimensions be continually striving to, while obtaining stage effectiveness.
But since original acid value is constantly soaring, anticorrosion process is improper, material Promotion Transformation is insufficient, corrosion monitoring effect
The factors such as bad, drill bit is increasing because frequently revealing caused by corrosion failure, usually causes kindling and even dodges quick-fried grade, brings
Significant damage and economic loss.Oil refining industry crude oil high acid value trend is obvious in recent years, and the naphthenic acid corrosion of drill bit is on the rise,
So that the technical cue that processing highly acid crude oil need to be taken just is particularly important, to drill produced safety, the original of Petrochemical Enterprises
The reduction of oily purchase cost is of great significance.
Commonly used method is that selection high performance alloys material appropriate carrys out control corrosion rate at present, but high material
Cost considerably increases construction and the improvement cost of oil refining drill bit, and traditional melting and coating process method is unstable, molten due to shaping
Covering the factors such as low efficiency, dilution rate big, large labor intensity, metallurgical bonding be bad can not large-scale application.
Summary of the invention
The purpose of the present invention is implementing surface with advanced laser melting and coating technique to low corrosion resistant metal material surface to be modified,
To improve the naphthenic acid corrosion problem exploiting petroleum drilling bit caused by acid value for crude oil constantly increases and being on the rise；It is right simultaneously
Damaged bit face is remanufactured.
In order to solve the above technical problems, the present invention realizes as follows:
It is a kind of that device to the surface peening of petroleum drilling bit and is remanufactured based on laser melting coating, including six axis robot
(1), laser, inert gas, alloy powder outlet (2), argon gas (3), X/Y workbench (4), to surface peening or damaged drill bit
(5), X/Y shifting axle (6), control panel (7), laser controlling cabinet (8)；
The control panel (7) connect with the X/Y workbench (4) and the X/Y shifting axle (6) respectively, the argon gas
(3) it is connect simultaneously with laser, inert gas, alloy powder outlet (2) with the laser controlling cabinet (8), the laser, indifferent gas
Body, alloy powder outlet (2) are connect with the six axis robot (1), and the X/Y workbench (4) is equipped with described strong to surface
Change or damaged drill bit (5)；
Described to surface peening or damaged drill bit (5) includes bit matrix (21), cutting tooth (22), wing (23).
The positive effect of the present invention is: the present apparatus makes bit face impact resistance with higher, intensity, first property, resistance to
Mill property, considerably increases its service life, and 2-3 times before being.
By Metallographic Analysis, cladding layer has the defects of good internal organizational structure, bubble-free, shrinkage cavity, crackle.
Through the invention, production cost is greatly reduced, working efficiency is improved, realizes that waste product remanufactures, it is effective to save
Control the waste of production material.
Detailed description of the invention
The structural schematic diagram of Fig. 1 invention described device.
Fig. 2 is oil drilling new product drill bit schematic diagram.
Fig. 3 is schematic diagram after the surface peening of oil drilling green bit.
Fig. 4 is the damaged drill bit schematic diagram of oil drilling.
Fig. 5 is schematic diagram after the damaged drill bit of oil drilling is repaired.
Fig. 6 is laser melting coating petroleum drilling bit working principle diagram.
Wherein: 1- six axis robot；2- laser, inert gas, alloy powder outlet；3- argon gas；4-X/Y workbench；5-
To surface peening or damaged drill bit；6-X/Y shifting axle；7- control panel；8- laser controlling cabinet；21- bit matrix；22- cutting
Tooth；23- wing；31- cuts the flank of tooth；32- wing face；33- cutting tooth and wing junction；34- bit body；41- breakage cutting
Tooth；42- breakage cutting tooth and wing junction；51- cuts the flank of tooth after repairing；Cutting tooth and wing junction after 52- is repaired.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in figures 1 to 6, one embodiment of the invention is a kind of strong based on surface of the laser melting coating to petroleum drilling bit
Change and remanufacture device, including six axis robot (1), laser, inert gas, alloy powder export (2), argon gas (3), X/Y work
Make platform (4), to surface peening or damaged drill bit (5), X/Y shifting axle (6), control panel (7), laser controlling cabinet (8), drill bit tire
Body 21, cutting tooth 22, wing 23, the cutting flank of tooth 31, wing face 32, cutting tooth and wing junction 33, bit body 34, breakage are cut
Cutting tooth and wing junction 52 after flank of tooth 51-, reparation are cut after cutting tooth 41, breakage cutting tooth and wing junction 42, reparation.
Control panel (7) is connect with X/Y workbench (4) and X/Y shifting axle (6) respectively, argon gas (3) and laser controlling cabinet
(8) it is connect simultaneously with laser, inert gas, alloy powder outlet (2), laser, inert gas, alloy powder outlet (2) and six
Axis robot (1) connection, X/Y workbench (4) are equipped with to surface peening or damaged drill bit (5).
Specific embodiment is as follows:
1. powder is cobalt-base alloy powder, ingredient is by weight percentage are as follows: 10% tungsten carbide, 0.1% carbon, 5% fluorination
Calcium, 2% silicon nitride, 3% boron, 15% chromium, 1% silicon, 7% iron, 18% molybdenum, surplus are cobalt.The above material is 100-200 purpose
Metal alloy powders.To tungsten-carbide powder screening and purified treatment, after obtaining satisfactory powder, then pass through drying and processing
Afterwards vacuum preservation with it is spare,
2. a pair oil bit surface, which needs to repair area, the pretreatment such as is cleaned, is polished, being heated, determine size to be repaired and
Depth, and carry out failure analysis,
3. setting the technological parameter of laser cladding equipment, concrete technology is: spot diameter is 1~3mm, leg surface linear speed
Degree is that cladding rate is 20~75m/min, and 0.2~0.4mm of feed of every rotation, laser power is 2500~3000W, powder feeding rate
For 5~25g/min,
4. by oil bit matrix clamping to be repaired on board, and laser spot and tungsten-carbide powder convergent point are adjusted,
The position of top relative to petroleum drilling bit matrix coverlay to be repaired, so that laser major part energy acts on coverlay to be repaired
On the tungsten-carbide powder of side,
5. coaxial powder-feeding laser cladding method is used, using the technique described in step 3 by step (1) resulting tungsten carbide powder
Last cladding to the damaged surface of petroleum drilling bit matrix, during which to molten bath zone cover inert gas shielding, obtain with a thickness of
The coating of 0.40~1mm, at this time the area to be repaired diameter after cladding be greater than 0.1~0.3mm of finished diameter,
6. keeping swing mechanism linear velocity, feed of every rotation and focal position of laser constant, laser power is reduced
To 1000~2000W, laser remolten is carried out to cladding coating under the conditions of not bothering to see me out powder, makes coating surface without pit and crackle, put down
Sliding light,
7. carrying out grinding sandblasting processing processing to coating using grinding machine, coating layer thickness and surface roughness is made to reach corresponding
It is required that.Preferably, in the step 1, the tungsten-carbide powder requires to be particle size range to be 15~50 μm, sphericity greater than 90%
Powder.
In the step 1, the technique of the drying and processing be by powder after 120~150 DEG C of 2~3h of range inside holding simultaneously
Cool to room temperature with the furnace.
In the step 4, the status requirement light of the hot spot and amyloid plaque relative to petroleum drilling bit matrix coverlay to be repaired
Focus and tungsten-carbide powder convergent point are overlapped in the position higher than 0.5~2mm of coverlay to be repaired.
Matrix surface is acted on by the small part energy of laser in this present embodiment and forms shallower molten bath, laser is most of
Energy such as 80% or more acts on the tungsten-carbide powder above matrix, tungsten-carbide powder temperature before entering molten bath rises to
Fusing point simultaneously melts, in fluid form in conjunction with matrix.
Inert gas in above-mentioned step 3 is nitrogen, argon gas or helium.
It is operated above, obtains cladding layer thickness in 0.5-5mm or so, cladding layer hardness HRC22 or so, surfacing,
The defects of free from flaw, stomata, cladding layer and matrix are at metallurgical bonding, and matrix is without thermal deformation, satisfactory mechanical property.
According to the laser melt coating method can the surface peening to oil drilling green bit precisely repaired with damaged drill bit
It is multiple, so that drill bit repair surface mechanical strength is restored, to realize that the damaged drill bit of oil drilling remanufactures.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are various under the inspiration of the present invention
The product of form, however, make any variation in its shape or structure, it is all that there is the identical or similar skill with the present invention
Art scheme, is within the scope of the present invention.
Claims (1)
1. a kind of to the surface peening of petroleum drilling bit and remanufacture device based on laser melting coating, which is characterized in that including six
Axis robot (1), laser, inert gas, alloy powder outlet (2), argon gas (3), X/Y workbench (4), to surface peening or broken
Damage drill bit (5), X/Y shifting axle (6), control panel (7), laser controlling cabinet (8)；
The control panel (7) connect with the X/Y workbench (4) and the X/Y shifting axle (6) respectively, the argon gas (3) and
The laser controlling cabinet (8) connect with laser, inert gas, alloy powder outlet (2) simultaneously, the laser, inert gas, conjunction
Golden dust outlet (2) connect with the six axis robot (1), and the X/Y workbench (4) is equipped with described to surface peening or broken
It damages drill bit (5)；
Described to surface peening or damaged drill bit (5) includes bit matrix (21), cutting tooth (22), wing (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521657.7A CN109321913A (en) | 2018-12-13 | 2018-12-13 | To the surface peening of petroleum drilling bit and device is remanufactured based on laser melting coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811521657.7A CN109321913A (en) | 2018-12-13 | 2018-12-13 | To the surface peening of petroleum drilling bit and device is remanufactured based on laser melting coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109321913A true CN109321913A (en) | 2019-02-12 |
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ID=65257334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811521657.7A Pending CN109321913A (en) | 2018-12-13 | 2018-12-13 | To the surface peening of petroleum drilling bit and device is remanufactured based on laser melting coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109321913A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545759A (en) * | 2020-05-15 | 2020-08-18 | 广东省材料与加工研究所 | Drill bit matrix powder, drill bit matrix material, preparation method and application of drill bit matrix material, and drill bit matrix |
-
2018
- 2018-12-13 CN CN201811521657.7A patent/CN109321913A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111545759A (en) * | 2020-05-15 | 2020-08-18 | 广东省材料与加工研究所 | Drill bit matrix powder, drill bit matrix material, preparation method and application of drill bit matrix material, and drill bit matrix |
| CN111545759B (en) * | 2020-05-15 | 2022-03-29 | 广东省科学院新材料研究所 | Drill bit matrix powder, drill bit matrix material, preparation method and application of drill bit matrix material, and drill bit matrix |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190212 |