CN109023358A - A kind of the laser melting coating restorative procedure and reparation powder of mine hydraulic support - Google Patents
A kind of the laser melting coating restorative procedure and reparation powder of mine hydraulic support Download PDFInfo
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- CN109023358A CN109023358A CN201811201854.0A CN201811201854A CN109023358A CN 109023358 A CN109023358 A CN 109023358A CN 201811201854 A CN201811201854 A CN 201811201854A CN 109023358 A CN109023358 A CN 109023358A
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- laser melting
- melting coating
- restorative procedure
- powder
- reparation
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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
- C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
- C23C24/106—Coating with metal alloys or metal elements only
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/48—Ferrous alloys, e.g. steel alloys containing chromium with nickel with niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laser Beam Processing (AREA)
Abstract
The embodiment of the present application shows the laser melting coating restorative procedure and reparation powder of a kind of mine hydraulic support.The step of laser melting coating restorative procedure includes: cleaning oil cylinder, degreases, corrodes, peeling impurity；Check oil cylinder defect；Powder is repaired in selection；The semiconductor laser generator in cladding equipment is enabled, adjustment equipment technical parameter carries out laser melting coating reparation；Check surface roughness, hardness；Packaging.Repairing powder includes: chromium, carbon, boron, silicon, nickel, molybdenum, niobium, iron.Laser melting coating restorative procedure shown in the application solves the reparation problem of oil cylinder, so that production efficiency is improved 40%, material economy 20%, quality pass rate reaches 95%.Reparation powder shown in the application has the advantage that hardness height, HRC (Rockwell hardness) reach 50-60, resistant to rust, improve welding and cladding performance.
Description
Technical field
The present invention relates to laser melting and coating technique field, the laser melting coating restorative procedure of especially a kind of mine hydraulic support and
Repair powder.
Background technique
Laser melting and coating technique is a kind of new surface risen with the development of high power laser the 1970s
Modification technology, laser melting and coating technique refer to the coating material for placing selection on being coated matrix surface in a manner of different fillers
Material is allowed to melt simultaneously with matrix surface a thin layer through laser irradiation, and dilution is extremely low and and matrix for formation after quickly solidifying
Material at metallurgical bonding surface covering, to significantly improve the wear-resisting, anti-corrosion, heat-resisting, anti-oxidant and electric of substrate material surface
The process of device characteristic etc..
Laser melting and coating technique is a kind of very high new technology of economic benefit, it can prepare height on cheap metal substrate
Property of the alloy surface of performance without influencing matrix, reduces cost, saves valuable Rare Metals Materials, therefore, in the world respectively
Industrial advanced country all pays much attention to the research and application of laser melting and coating technique.
Mining machinery hydraulic support is the core of ore mining equipment, because operating environment is severe, bracket oil cylinder often uses one
The defects of just will appear corrosion after the section time, peeling, peel off, damage, cause oil cylinder that cannot use.If scrapped, lose huge
Greatly, production cost greatly improves, and the production cycle substantially extends.So the repairing and reusing of oil cylinder is exactly that ore mining enterprise reduces production
One of main means of cost.
Traditional restorative procedure is that oil cylinder is damaged to face to remove layer of material by manufacturing process such as vehicle, borings, is then passed through
Plating mode supplementary material restores full size using finishing, achievees the purpose that continue to use.
But there are many fatal defects for plating renovation technique: firstly, electroplating technology will cause very big pollution to environment, having
It is contrary in green manufacturing and environmentally friendly development state basic policy, is the industry of national strict control.Secondly, electroplated layer is very thin, generally not
More than 0.15mm, the defects of being easy to appear peeling, layering, bulge, peeling, corrosion, shock resistance is very poor, therefore service life
It is very short.
Summary of the invention
The purpose of the present invention is to provide a kind of laser melting coating restorative procedure of mine hydraulic support and powder is repaired, it is existing to solve
The technical issues of with the presence of scheme shown in technology.
The embodiment of the present application shows a kind of laser melting coating restorative procedure of mine hydraulic support, the laser melting coating reparation side
The step of method includes:
S1: cleaning oil cylinder degreases, corrodes, peeling impurity；
S2: oil cylinder defect is checked；
S3: powder is repaired in selection；
S4: enabling the semiconductor laser generator in cladding equipment, and adjustment equipment technical parameter carries out laser melting coating and repairs
It is multiple；
S5: surface roughness, hardness are checked；
S6: packaging；
Wherein, the equipment technical parameters, comprising: the power of semiconductor laser generator, cladding layer thickness, cladding are wide
Degree, cladding speed, lead, lap width, powder feed rate.
Selectable, the power of the semiconductor laser generator is 4000W~10000W.
Selectable, the cladding layer is with a thickness of 2mm.
Selectable, the cladding width is 12mm in 4000W, is 16mm in 8000W, is in 10000W
22mm。
Selectable, the cladding speed is 320mm/min in 4000W, is 400mm/min in 8000W,
It is 600mm/min when 10000W.
Selectable, the lead is 12mm in 4000W, is 16mm in 8000W, is 22mm in 10000W.
Selectable, the lap width is 2mm.
Selectable, the powder feed rate is 60g/min in 4000W, is 80g/min in 8000W, is in 10000W
110g/min。
The embodiment of the present application shows a kind of reparation powder of mine hydraulic support characterized by comprising chromium, carbon, and boron, silicon,
Nickel, molybdenum, niobium, iron.
Selectable, the chromium is 15.00-25.00 mass parts, and the carbon is 0.05-0.10 mass parts, and the boron is
0.50-2.00 mass parts, the silicon are 0.20-1.00 mass parts, and the nickel is 2.00-5.00 mass parts, and the molybdenum is 0.50-
3.00 mass parts, the niobium are 1.00-3.00 mass parts, remaining is the iron.
The embodiment of the present application shows the laser melting coating restorative procedure and reparation powder of a kind of mine hydraulic support.The application is shown
Laser melting coating restorative procedure solve the reparation problem of oil cylinder, so that production efficiency is improved 40%, material economy 20%, quality is closed
Lattice rate reaches 95%.Reparation powder shown in the application have the advantage that hardness height, HRC (Rockwell hardness) reach 50-60,
Resistant to rust improves welding and cladding performance.
Detailed description of the invention
Fig. 1 is the process for the laser melting coating restorative procedure that a kind of mine hydraulic support exemplified is preferably implemented according to one
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, for a kind of laser melting coating restorative procedure of the mine hydraulic support exemplified is preferably implemented according to one
Flow chart, the embodiment of the present application shows a kind of laser melting coating restorative procedure of mine hydraulic support, the laser melting coating reparation
The step of method includes:
S1: cleaning oil cylinder degreases, corrodes, peeling impurity；
S2: oil cylinder defect is checked；
S3: powder is repaired in selection；
S4: enabling the semiconductor laser generator in cladding equipment, and adjustment equipment technical parameter carries out laser melting coating and repairs
It is multiple；
S5: surface roughness, hardness are checked；
S6: packaging.
Most crucial one of technology is exactly the selection of laser in laser melting and coating technique.Tradition is applied to swashing for laser melting coating
Light device is CO2Laser.CO2It is modified that laser melting coating is mainly used for non-ferrous alloy surface.Using CO2Laser carries out aluminium alloy laser
Cladding, alloy matrix aluminum is in CO2It is easily deformed, or even collapses under laser irradiation conditions.Equally, CO2The power of laser generator turns
Rate is low, too low for the reparation power of mill type cylinder, causes cladding speed too low, and melted material is insufficient, stomata occurs, melts
It lacks, the surface hardness mass defects such as not enough, so that repair rate is high, production efficiency is low.And semiconductor laser generator is used, energy
Enough greatly improve production efficiency and product quality.
Wherein, the equipment technical parameters, comprising: the power of semiconductor laser generator, cladding layer thickness, cladding are wide
Degree, cladding speed, lead, lap width, powder feed rate.Cladding parameter is to determine one of cladding efficiency and the core of quality, ginseng
Number selection is improper, and to will cause apparent production efficiency low, and product quality reduces and waste of material.
Specifically, selectable, the power of the semiconductor laser generator is 4000W~10000W.
Selectable, the cladding layer is with a thickness of 2mm.
Selectable, the cladding width is 12mm in 4000W, is 16mm in 8000W, is in 10000W
22mm。
Selectable, the cladding speed is 320mm/min in 4000W, is 400mm/min in 8000W,
It is 600mm/min when 10000W.
Selectable, the lead is 12mm in 4000W, is 16mm in 8000W, is 22mm in 10000W.
Selectable, the lap width is 2mm.
Selectable, the powder feed rate is 60g/min in 4000W, is 80g/min in 8000W, is in 10000W
110g/min。
The embodiment of the present application shows a kind of reparation powder of mine hydraulic support characterized by comprising chromium, carbon, and boron, silicon,
Nickel, molybdenum, niobium, iron.
Selectable, the chromium is 15.00-25.00 mass parts, and the carbon is 0.05-0.10 mass parts, and the boron is
0.50-2.00 mass parts, the silicon are 0.20-1.00 mass parts, and the nickel is 2.00-5.00 mass parts, and the molybdenum is 0.50-
3.00 mass parts, the niobium are 1.00-3.00 mass parts, remaining is the iron.The reparation powder has the advantage that hardness
Height, HRC (Rockwell hardness) reach 50-60, resistant to rust, improve welding and cladding performance.
One of most crucial technology is to repair the selection of powder in laser melting and coating technique, can directly determine laser melting and coating technique
Performance.Common reparation powder is divided into three classes: 1) self-fluxing alloyed powder, and Fe base alloy powder, Ni base alloy powder, Co base close
Bronze end；They can be improved the performances such as wearability, toughness, corrosion-resistant, shock resistance, resistance to high temperature oxidation.2) ceramic powders, tool
There are excellent wear-resisting, anti-corrosion, high temperature resistant, anti-oxidation characteristics, is commonly used to prepare high temperature wearable anti-corrosion and thermal barrier coating.3) composite powder
End is mainly the various high-melting-point hard ceramic materials such as carbide, oxide, nitride, boride and silicide and metal
The powder systems mixed, it resists the wear-and corrosion-resistant high temperature resistant of the obdurability of metal, good craftsmanship and ceramic material
Oxidation characteristic combines.And the reparation powder that the application uses is by chromium, carbon, boron, silicon, nickel, molybdenum, niobium, the conjunction of iron composition
Bronze end, the powder of repairing substantially increase the production efficiency and qualification rate for repairing product.
From the above technical scheme, the embodiment of the present application shows a kind of laser melting coating restorative procedure of mine hydraulic support
And repair powder.Laser melting coating restorative procedure shown in the application solves the reparation problem of oil cylinder, and production efficiency is made to improve 40%,
Material economy 20%, quality pass rate reaches 95%.Reparation powder shown in the application has the advantage that hardness height, HRC
(Rockwell hardness) reaches 50-60, resistant to rust, improves welding and cladding performance.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to of the invention its
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the invention, these modifications, purposes or
Person's adaptive change follows general principle of the invention and including the undocumented common knowledge in the art of the present invention
Or conventional techniques.The description and examples are only to be considered as illustrative, and true scope and spirit of the invention are by following
Claim is pointed out.
It should be understood that the present invention is not limited to the precise structure already described above and shown in the accompanying drawings, and
And various modifications and changes may be made without departing from the scope thereof.The scope of the present invention is limited only by the attached claims.
Claims (10)
1. a kind of laser melting coating restorative procedure of mine hydraulic support, which is characterized in that the step of the laser melting coating restorative procedure
Suddenly include:
S1: cleaning oil cylinder degreases, corrodes, peeling impurity；
S2: oil cylinder defect is checked；
S3: powder is repaired in selection；
S4: enabling the semiconductor laser generator in cladding equipment, and adjustment equipment technical parameter carries out laser melting coating reparation；
S5: surface roughness, hardness are checked；
S6: packaging；
Wherein, the equipment technical parameters, comprising: the power of semiconductor laser generator, cladding layer thickness, cladding width melt
Cover speed, lead, lap width, powder feed rate.
2. laser melting coating restorative procedure according to claim 1, which is characterized in that the function of the semiconductor laser generator
Rate is 4000W~10000W.
3. laser melting coating restorative procedure according to claim 2, which is characterized in that the cladding layer is with a thickness of 2mm.
4. laser melting coating restorative procedure according to claim 3, which is characterized in that the cladding width is in 4000W
12mm is 16mm in 8000W, is 22mm in 10000W.
5. laser melting coating restorative procedure according to claim 4, which is characterized in that the cladding speed is in 4000W
320mm/min is 400mm/min in 8000W, is 600mm/min in 10000W.
6. laser melting coating restorative procedure according to claim 5, which is characterized in that the lead is 12mm in 4000W,
It is 16mm in 8000W, is 22mm in 10000W.
7. laser melting coating restorative procedure according to claim 6, which is characterized in that the lap width is 2mm.
8. laser melting coating restorative procedure according to claim 7, which is characterized in that the powder feed rate is in 4000W
60g/min is 80g/min in 8000W, is 110g/min in 10000W.
9. a kind of reparation powder of mine hydraulic support characterized by comprising chromium, carbon, boron, silicon, nickel, molybdenum, niobium, iron.
10. reparation powder according to claim 9, which is characterized in that the chromium is 15.00-25.00 mass parts, the carbon
For 0.05-0.10 mass parts, the boron is 0.50-2.00 mass parts, and the silicon is 0.20-1.00 mass parts, and the nickel is
2.00-5.00 mass parts, the molybdenum are 0.50-3.00 mass parts, and the niobium is 1.00-3.00 mass parts, remaining is the iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201854.0A CN109023358A (en) | 2018-10-16 | 2018-10-16 | A kind of the laser melting coating restorative procedure and reparation powder of mine hydraulic support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811201854.0A CN109023358A (en) | 2018-10-16 | 2018-10-16 | A kind of the laser melting coating restorative procedure and reparation powder of mine hydraulic support |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652796A (en) * | 2018-12-21 | 2019-04-19 | 中煤北京煤矿机械有限责任公司 | The method of increases material manufacturing technology processing hydraulic support cylinder body |
| CN110387508A (en) * | 2019-08-16 | 2019-10-29 | 晋中开发区圣邦液压器件有限公司 | A kind of iron-based powder of stainless steel for cylinder barrel outer wall cladding |
| CN115058665A (en) * | 2022-06-21 | 2022-09-16 | 中海油田服务股份有限公司 | Alloy material and air gun surface repairing method |
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| CN101338427A (en) * | 2008-08-07 | 2009-01-07 | 沈阳大陆激光成套设备有限公司 | Laser fusing and coating process for wear resistant and etch-resistant coating of hydraulic support column cylinder and piston rod |
| CN101875128A (en) * | 2010-07-02 | 2010-11-03 | 山东建能大族激光再制造技术有限公司 | Laser cladding method for upright column of mine hydraulic bracket |
| CN102242361A (en) * | 2011-06-29 | 2011-11-16 | 山东能源机械集团大族再制造有限公司 | Laser cladding method for mining hydraulic support column and mining stainless steel hydraulic column |
| CN104928673A (en) * | 2015-05-09 | 2015-09-23 | 芜湖鼎瀚再制造技术有限公司 | Mining large hydraulic support stand column laser heat treatment process |
| CN106756988A (en) * | 2016-11-18 | 2017-05-31 | 甘肃兰煤机械制造有限公司 | The method for strengthening repairing mine mechanical surface using optical-fiber laser |
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2018
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Patent Citations (5)
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| CN101338427A (en) * | 2008-08-07 | 2009-01-07 | 沈阳大陆激光成套设备有限公司 | Laser fusing and coating process for wear resistant and etch-resistant coating of hydraulic support column cylinder and piston rod |
| CN101875128A (en) * | 2010-07-02 | 2010-11-03 | 山东建能大族激光再制造技术有限公司 | Laser cladding method for upright column of mine hydraulic bracket |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109652796A (en) * | 2018-12-21 | 2019-04-19 | 中煤北京煤矿机械有限责任公司 | The method of increases material manufacturing technology processing hydraulic support cylinder body |
| CN110387508A (en) * | 2019-08-16 | 2019-10-29 | 晋中开发区圣邦液压器件有限公司 | A kind of iron-based powder of stainless steel for cylinder barrel outer wall cladding |
| CN115058665A (en) * | 2022-06-21 | 2022-09-16 | 中海油田服务股份有限公司 | Alloy material and air gun surface repairing method |
| CN115058665B (en) * | 2022-06-21 | 2023-09-08 | 中海油田服务股份有限公司 | Alloy material and air gun surface repairing method |
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Application publication date: 20181218 |