CN101942657B - Surface laser cladding method of hydraulic support post and jack - Google Patents
Surface laser cladding method of hydraulic support post and jack Download PDFInfo
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- CN101942657B CN101942657B CN 201010287659 CN201010287659A CN101942657B CN 101942657 B CN101942657 B CN 101942657B CN 201010287659 CN201010287659 CN 201010287659 CN 201010287659 A CN201010287659 A CN 201010287659A CN 101942657 B CN101942657 B CN 101942657B
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- screw block
- cladding
- column
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Abstract
The invention relates to a surface laser cladding method of a hydraulic support post and a jack, which is characterized by comprising the following technology steps: 1, processing the surfaces of the post and the jack which are to be cladded; 2, feeding mixed gas (argon, nitrogen and carbon dioxide) to a laser generator; 3, electrifying the laser generator; 4, generating laser beam from the laser generator; 5,reflecting the laser beam by three mirrors; 6, feeding powder through a powder feeding machine; 7, focusing with a focus lens; 8, cladding metal powder on the surfaces of the post and the jack; 9, processing the surfaces of the post and the jack; and 10, obtaining the finished product. The invention has the advantages that the method has low dilution rate and small heat affected zone; the distortion of the cladding piece is smaller after forming metallurgy combination with a cardinal plane, and an automatic cladding process is easy to be achieved; and the method can greatly improve wear-resistant, corrosion-resistant, heat-resistant and antioxidant properties of base material surface, thereby meeting the requirements of the specific properties of the base material surface and saving abundant valuable elements as well as reducing pollution on environment.
Description
Technical field
The present invention relates to a kind of laser cladding method of substrate surface, the surface laser cladding method of particularly a kind of hydraulic support column, screw block.
Background technology
Along with the continuous expansion of Coal Production, mine support also constantly increases with the demand of hydraulic support, and vitals column, screw block in our the present used hydraulic support, what the processing on its surface was adopted in decades always is chrome faced electroplating technology.The shortcoming of electroplating technology is: 1) most of electroplating device environmental pollutions are serious, and social danger is big; 2) this operation is a special procedure, all requires very high to the thickness of coating, porosity etc.; 3) electrolytic coating is easy to come off, and causes the pillar performance failure, and preservative effect is undesirable.Therefore, use the surface that existing plating technology is handled substrate, can not satisfy anticorrosive, anti abrasive higher level requirement.
Summary of the invention
The objective of the invention is: the surface laser cladding method that designs a kind of hydraulic support column, screw block, this method easily is automated, and can improve wear-resisting, anti-corrosion, the heat-resisting and anti-oxidation characteristics of substrate surface significantly, both satisfied requirement to the substrate surface specified property, saved a large amount of noble elements again, reduced pollution environment.
Purpose of the present invention can realize by following technical proposals:
The surface laser cladding method of a kind of hydraulic support column, screw block is characterized in that comprising following in sequence processing step:
Cladding column, screw block surface → feed mixed gas argon gas, nitrogen, carbonic acid gas → laser generator energising → laser generator generation laser beam → 3 mirror reflects laser beam → powder feeding machine powder feeding → condensing lens focusing → metal powder cladding at column, screw block surface → processing column, screw block surface → finished product to laser generator are treated in processing;
Described processing is treated to adopt digital controlled lathe, the surface of turning processing column, screw block in cladding column, the screw block surface step;
It is the CO of GS-TEL-6000 that described laser generator adopts model
2Laser generator, its working conditions is as follows:
Rated output: 6KW;
Voltage: direct current 4000V;
The ratio of components of described mixed gas argon gas, nitrogen, carbonic acid gas is 8:7:1;
In the described powder feeding machine powder feeding step, the powder feeding machine of employing is a bitubular powder feeding machine, and its working conditions is as follows:
Voltage rating: 220V;
Automatic powder feeding system: argon gas is auxiliary to be brought into;
Powder feeding rate: 90%;
Described metal powder is a nickel-base alloy powder, and it is by metallic nickel, Al
2O
3With Cu, ZrO
2And V
2O
5And ZrO
2And WO
3Form, wherein, Al
2O
3Account for the 1-5% of nickel-base alloy powder weight, Al with Cu
2O
3With the mol ratio of Cu be 1: 2; ZrO
2And V
2O
5Account for the 1-10% of nickel-base alloy powder weight, ZrO
2And V
2O
5Mol ratio be 1: 1; ZrO
2And WO
3Account for the 1-10% of nickel-base alloy powder weight, ZrO
2And WO
3Mol ratio be 1: 2;
Described metal powder cladding is in column, screw block surface step, and living-article cladding speed is 5mm/min;
In described processing column, the screw block surface step, adopting model is the milligram energy metallic surface processing device polishing column of HKUSM30, the outside surface of screw block.
The material of hydraulic support column of the present invention, screw block outside surface is the 27SiMn steel.
The cooling apparatus that this laser cladding method of the present invention is adopted is that model is the compressor of PH-LW903-TH2P, and its working conditions is as follows:
Rated output: 36KW;
Voltage: 380V;
Peak flow: 365L/min;
Pump head: 25～41m.
Advantage of the present invention is: 1) have than low dilution rate, the heat affected zone is little, and after basal plane formation metallurgical binding, the torsional deformation of cladding part is smaller, and cladding process easily is automated; 2) using this method carries out after laser reinforcing handles the position perishable and easy to wear of the column on the hydraulic support, screw block, surface cladding one deck alloy layer at column, screw block, not only change the weave construction and the chemical ingredients of column, screw block surface wear-resistant layer, also improved its surperficial hardness, corrosion-resistant and wear resisting property greatly; Be 6～8 times of common chromium plating column, screw block work-ing life its work-ing life, improved 2～3 times than present coating stainless steel column, screw block.
Embodiment
The surface laser cladding method of a kind of hydraulic support column, screw block is characterized in that comprising following in sequence processing step:
Cladding column, screw block surface → feed mixed gas argon gas, nitrogen, carbonic acid gas → laser generator energising → laser generator generation laser beam → 3 mirror reflects laser beam → powder feeding machine powder feeding → condensing lens focusing → metal powder cladding at column, screw block surface → processing column, screw block surface → finished product to laser generator are treated in processing;
Described processing is treated to adopt digital controlled lathe, the surface of turning processing column, screw block in cladding column, the screw block surface step;
It is the CO of GS-TEL-6000 that described laser generator adopts model
2Laser generator, its working conditions is as follows:
Rated output: 6KW;
Voltage: direct current 4000V;
The ratio of components of described mixed gas argon gas, nitrogen, carbonic acid gas is 8:7:1;
In the described powder feeding machine powder feeding step, the powder feeding machine of employing is a bitubular powder feeding machine, and its working conditions is as follows:
Voltage rating: 220V;
Automatic powder feeding system: argon gas is auxiliary to be brought into;
Powder feeding rate: 90%;
Described metal powder is a nickel-base alloy powder, and it is by metallic nickel, Al
2O
3With Cu, ZrO
2And V
2O
5And ZrO
2And WO
3Form, wherein, Al
2O
3Account for the 1-5% of nickel-base alloy powder weight, Al with Cu
2O
3With the mol ratio of Cu be 1: 2; ZrO
2And V
2O
5Account for the 1-10% of nickel-base alloy powder weight, ZrO
2And V
2O
5Mol ratio be 1: 1; ZrO
2And WO
3Account for the 1-10% of nickel-base alloy powder weight, ZrO
2And WO
3Mol ratio be 1: 2;
Described metal powder cladding is in column, screw block surface step, and living-article cladding speed is 5mm/min;
In described processing column, the screw block surface step, adopting model is the milligram energy metallic surface processing device polishing column of HKUSM30, the outside surface of screw block.
The material of described hydraulic support column, screw block outside surface is the 27SiMn steel.
The cooling apparatus that this laser cladding method adopted is that model is the compressor of PH-LW903-TH2P, and this compressor is used for laser generator is cooled to 8 ℃, and speculum is cooled to room temperature, and its working conditions is as follows:
Rated output: 36KW;
Voltage: 380V;
Peak flow: 365L/min;
Pump head: 25～41m.
Claims (3)
1. the surface laser cladding method of a hydraulic support column, screw block is characterized in that comprising following in sequence processing step:
Cladding column, screw block surface → feed mixed gas argon gas, nitrogen, carbonic acid gas → laser generator energising → laser generator generation laser beam → 3 mirror reflects laser beam → powder feeding machine powder feeding → condensing lens focusing → metal powder cladding at column, screw block surface → processing column, screw block surface → finished product to laser generator are treated in processing;
Described processing is treated to adopt digital controlled lathe, the surface of turning processing column, screw block in cladding column, the screw block surface step;
It is the CO of GS-TEL-6000 that described laser generator adopts model
2Laser generator, its working conditions is as follows:
Rated output: 6KW;
Voltage: direct current 4000V;
The ratio of components of described mixed gas argon gas, nitrogen, carbonic acid gas is 8:7:1;
In the described powder feeding machine powder feeding step, the powder feeding machine of employing is a bitubular powder feeding machine, and its working conditions is as follows:
Voltage rating: 220V;
Automatic powder feeding system: argon gas is auxiliary to be brought into;
Powder feeding rate: 90%;
Described metal powder is a nickel-base alloy powder, and it is by metallic nickel, Al
2O
3With Cu, ZrO
2And V
2O
5And ZrO
2And WO
3Form, wherein, Al
2O
3Account for the 1-5% of nickel-base alloy powder weight, Al with Cu
2O
3With the mol ratio of Cu be 1: 2; ZrO
2And V
2O
5Account for the 1-10% of nickel-base alloy powder weight, ZrO
2And V
2O
5Mol ratio be 1: 1; ZrO
2And WO
3Account for the 1-10% of nickel-base alloy powder weight, ZrO
2And WO
3Mol ratio be 1: 2;
Described metal powder cladding is in column, screw block surface step, and living-article cladding speed is 5mm/min;
In described processing column, the screw block surface step, adopting model is the milligram energy metallic surface processing device polishing column of HKUSM30, the outside surface of screw block.
2. the surface laser cladding method of hydraulic support column according to claim 1, screw block is characterized in that: the material of described hydraulic support column, screw block outside surface is the 27SiMn steel.
3. the surface laser cladding method of hydraulic support column according to claim 1, screw block is characterized in that: the cooling apparatus that this laser cladding method adopted is that model is the compressor of PH-LW903-TH2P, and its working conditions is as follows:
Rated output: 36KW;
Voltage: 380V;
Peak flow: 365L/min;
Pump head: 25～41m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010287659 CN101942657B (en) | 2010-09-20 | 2010-09-20 | Surface laser cladding method of hydraulic support post and jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010287659 CN101942657B (en) | 2010-09-20 | 2010-09-20 | Surface laser cladding method of hydraulic support post and jack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101942657A CN101942657A (en) | 2011-01-12 |
| CN101942657B true CN101942657B (en) | 2011-12-21 |
Family
ID=43434852
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010287659 Expired - Fee Related CN101942657B (en) | 2010-09-20 | 2010-09-20 | Surface laser cladding method of hydraulic support post and jack |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102677045B (en) * | 2012-05-22 | 2014-10-01 | 山东能源机械集团大族再制造有限公司 | Laser cladding method |
| CN102777193B (en) * | 2012-07-31 | 2014-10-29 | 山东能源机械集团大族再制造有限公司 | Hollow hydraulic support upright and hydraulic support comprising upright |
| 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 |
| CN108265287A (en) * | 2017-12-22 | 2018-07-10 | 北京机科国创轻量化科学研究院有限公司 | A kind of method for repairing hydraulic support column |
| CN112059545A (en) * | 2020-08-26 | 2020-12-11 | 郑州煤矿机械集团股份有限公司 | Method for controlling laser cladding deformation of slender piston rod |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935419A (en) * | 2006-02-24 | 2007-03-28 | 郑州大学 | Laser deposited nickel-base alloy powder |
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2010
- 2010-09-20 CN CN 201010287659 patent/CN101942657B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1935419A (en) * | 2006-02-24 | 2007-03-28 | 郑州大学 | Laser deposited nickel-base alloy powder |
Non-Patent Citations (1)
| Title |
|---|
| 涂义,张永忠,席明哲.不锈钢表面激光熔覆镍基合金层研究.<<稀有金属>>.2008,第32卷(第5期),全文. * |
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|---|---|
| CN101942657A (en) | 2011-01-12 |
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Granted publication date: 20111221 Termination date: 20120920 |