CN101967538A - Surface laser strengthening method for plunger of hydraulic support - Google Patents
Surface laser strengthening method for plunger of hydraulic support Download PDFInfo
- Publication number
- CN101967538A CN101967538A CN2010105589936A CN201010558993A CN101967538A CN 101967538 A CN101967538 A CN 101967538A CN 2010105589936 A CN2010105589936 A CN 2010105589936A CN 201010558993 A CN201010558993 A CN 201010558993A CN 101967538 A CN101967538 A CN 101967538A
- Authority
- CN
- China
- Prior art keywords
- laser
- plunger
- working
- middle cylinder
- column
- Prior art date
- 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.)
- Pending
Links
Landscapes
- Laser Beam Processing (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention relates to a surface laser strengthening method for a plunger of a hydraulic support. The method adopts a CO2 laser-processing system or an optical fiber laser-processing unit, and a special alloy surface strengthening layer is manufactured on the surface of the plungers of an upright column, a middle cylinder and the like, wherein the special alloy surface strengthening layer is 0.5-0.7mm in thickness, has high corrosion resistance and compression strength, can be completely metallurgically fused and firmly combined with a plunger substrate, and has even and compact crystallization. The invention adopts the laser surface-treated plungers of the upright column, the middle cylinder and the like of the hydraulic support, and improves the environmental corrosion resistance of the plungers; the working surface of the laser surface-strengthened plunger has imporosity and high metallurgical bonding strength; and the surface strengthening layer does not peel off, and the service life is improved by more than three times compared with the originally adopted chromium coating. The high-strength alloy working layer manufactured by laser completely achieves the standards of strength property, sealing property and endurance property required after mid-frequency induction hardening and quenched-tempered heat treatment. The invention has the advantages of environmental protection, no pollution, simple processing technique and stable and reliable quality, reduces the production cost, and is suitable for mass production.
Description
Technical field
The invention belongs to laser technology field, particularly a kind of surface laser enhancement method of hydraulic support plunger.
Background technology
At present, in down-hole coal excavation was produced, the tunnel used hydraulic support as the production safety ensuring equipment.Hydraulic support belongs to hydraulic machinery, and hydraulic plunger surfaces such as its column and middle cylinder generally take chromium plating, electro-plating method such as zinc-plated to carry out surface anticorrosion to handle.Owing to electroplate, particularly there are a large amount of pores in chrome-plated surface, and is moist and contain SO in the tunnel, down-hole
2Under the etchant gas envrionment conditions, problems such as plating plunger surfaces such as column and middle cylinder produce point corrosion, peel off, peeling cause the seal box hydraulic performance early failure of column and middle cylinder, the security and the work-ing life of reducing hydraulic support.And electroplating particularly chromium plating is the processing method that should eliminate that is put into national high environmental pollution.
In addition, hydraulic plungers such as column and middle cylinder generally use low-carbon (LC) and medium carbon alloy steel manufacturing among 27SiMn, 35CrMo, the 45Mn etc.In the manufacturing,, adopt medium frequency quenching or modified heat treating method to improve part material intensity, guarantee the usage safety performance of powerful roof pressure condition in the tunnel in order to improve its ultimate compression strength performance.Medium frequency quenching and modifier treatment complex procedures, production cycle are long, unstable product quality.And power consumption is big, the cost costliness.
Therefore, provide a kind of reliable in quality, technology simple, non-environmental-pollution is used the surface laser enhancement method of significant hydraulic support plunger, is that these those skilled in the art are badly in need of one of important topic that addresses.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, provide that a kind of steady quality is reliable, technology is simple, the surface laser enhancement method of safety non-pollution, the significant hydraulic support plunger of practical effect.
The technical solution adopted in the present invention is for achieving the above object:
A kind of surface laser enhancement method of hydraulic support plunger is characterized in that implementation step is as follows:
(1) column of hydraulic support, middle cylinder plug blank on the working-surface, use TFL-H10000 type CO through after the mechanical workout outside plunger
2Laser-processing system and YLS-4000 type optical-fiber laser processing unit, by massfraction % be: Cr 16 ~ 18, Ti 26 ~ 28, Ni 0.6 ~ 1.0, Mo 6.0 ~ 6.5, Cu 2 ~ 4, Nb 3 ~ 3.3 with main alloy element, the surface strengthening alloy material that mentioned component is formed, it is thread to manufacture Φ 2 ~ 5mm respectively, 1 ~ 3 * 15mm band shape and pulvis shape alloy material; At laser power density 4 ~ 8 * 10
3W/ ㎝
2, adopt 15 * 2mm broadband integration to focus under the processing mirror condition, use the stepped start-stop system wire feeding machine that thread, banded alloy material is applied to the optical-fiber laser processing machine; Or use pneumatic automatic powder feeding device that alloy powder is applied to the CO2 laser-processing system; Above-mentioned surface strengthening alloy material is machined in the outer working-surface of column, middle cylinder plug respectively, forms the high alloy metallurgy of the environmental corrosion of anti-tunnel the, resistance to compression, the reinforcement of 0.5 ~ 0.7mm in conjunction with working lining;
(2) column, the middle cylinder plug surface alloy working lining finished of laser manufacturing, adopt HKUSM-30 type ultrasonic metallic surface processing device and Φ 150 ~ Φ 200mm to strengthen roller, column, middle cylinder plug are installed on the lathe, its working-surface is carried out precision polishing and roll extrusion, reach plunger working-surface specular gloss, and realize that secondary is strengthened and form the plunger working-surface and have the stress intensive conditions, strengthened corrosion-resistant, the crushing resistance performance index of column, middle cylinder plug working-surface.
The invention has the beneficial effects as follows:
(1) adopts plungers such as the hydraulic support column of Laser Surface Treatment, middle cylinder, can replace the surface of former employing electroplating processes fully, improved the environmental corrosion resisting ability of plunger.And, laser surface intensified back-plunger working-surface imporosity, metallurgical binding intensity height; Non-scale, nothing are peeled off, and improve work-ing life more than three times than former chromium coating.
(2) the high-strength alloy working lining that adopts laser to make has reached strength property after former demand medium frequency quenching and the modified thermal treatment, sealing property and endurance quality standard fully.
(3) make the surface strengthening working lining through laser, adopt ultrasonic wave and roller to polish and the secondary intensive treatment again, indexs such as the anti-environmental corrosion ability of plunger such as column, middle cylinder working-surface and ultimate compression strength are all waited until further raising, and use properties more is better than the effect of former chromium plating and medium frequency quenching and modifier treatment.
(4) the present invention also has non-environmental-pollution, production technique is simple, and steady quality is reliable, simplifies the technical matters flow process, reduces production costs, and has the characteristics of production in enormous quantities.
Embodiment
Below in conjunction with preferred embodiment, to details are as follows according to embodiment provided by the invention:
A kind of surface laser enhancement method of hydraulic support plunger is characterized in that implementation step is as follows:
(1) column of hydraulic support, middle cylinder plug blank on the working-surface, use TFL-H10000 type CO through after the mechanical workout outside plunger
2Laser-processing system and YLS-4000 type optical-fiber laser processing unit, by massfraction % be: Cr 16 ~ 18, Ti 26 ~ 28, Ni 0.6 ~ 1.0, Mo 6.0 ~ 6.5, Cu 2 ~ 4, Nb 3 ~ 3.3 with main alloy element, the surface strengthening alloy material that mentioned component is formed, it is thread to manufacture Φ 2 ~ 5mm respectively, 1 ~ 3 * 15mm band shape and pulvis shape alloy material; At laser power density 4 ~ 8 * 10
3W/ ㎝
2, adopt 15 * 2mm broadband integration to focus under the processing mirror condition, use the stepped start-stop system wire feeding machine that thread or banded alloy material is applied to the optical-fiber laser processing machine; Or use pneumatic automatic powder feeding device that above-mentioned alloy powder is applied to CO
2Laser-processing system; Above-mentioned surface strengthening alloy material is machined in the outer working-surface of column, middle cylinder plug respectively, forms the high alloy metallurgy of the environmental corrosion of anti-tunnel the, resistance to compression, the reinforcement of the total net thickness of 0.5 ~ 0.7mm in conjunction with working lining.
Above-mentioned thread, band shape that is machined in the outer working-surface of column, middle cylinder plug or pulvis can three kinds of state layerings processing, also can select wherein one or both.
For example, can adopt pulvis cladding working-surface outside column, middle cylinder plug, the alloy metallurgy that forms thickness thereon and be 0.5 ~ 0.7mm is in conjunction with working lining.
Or for example, can adopt the bottom of pulvis cladding in working-surface, form thickness 0.2 ~ 0.3mm cladding layer thereon; Then at laser power density 4 ~ 8 * 10
3W/ ㎝
2Adopt 15 * 2mm broadband integration to focus under the processing mirror condition, using the stepped start-stop system wire feeding machine that thread or banded alloy is applied to optical-fiber laser processing machine cladding uniform winding is provided with thread or/and belt course forms whole compound 0.5 ~ 0.7mm alloy metallurgy in conjunction with working lining.
Adopt above-mentioned surface strengthening alloy material to be machined in column, the outer working-surface of middle cylinder plug, both overcome the not corrosion-resistant problem that chrome-faced produces surface porosity, bubbles, peels off, have again and strengthen column, middle cylinder plug ultimate compression strength performance, can be direct substitution chromium plating and the modified medium frequency quenching heat treatment technics technology of original design manufacturing in producing.
(2) column finished of laser manufacturing, middle cylinder plug surface alloy working lining, process mechanical dimension's tolerance and the form and position tolerance accuracy rating that reaches the drawing technical requirements through grinding machine routinely, adopt HKUSM-30 type ultrasonic metallic surface processing device and Φ 150 ~ Φ 200mm to strengthen roller, with column, middle cylinder plug is installed on the rotation lathe, its working-surface is carried out precision polishing and roll extrusion, reach plunger working-surface specular gloss, and realize that the secondary reinforcement forms the plunger working-surface and has the stress intensive conditions, strengthened column, in cylinder plug working-surface corrosion-resistant, the crushing resistance performance index.
This method is used CO
2Laser-processing system or optical-fiber laser processing unit, making thickness on column, middle cylinder plug surface is the corrosion-resistant of 0.5 ~ 0.7mm, the ultimate compression strength height, and fully metallurgically merge, combine firmly with the plunger matrix, the alloying elements such as Cr, Ni, Ti, Mo that contain of crystallization even compact are main basic special alloy surface strengthening layer.
For example: Φ 320/ Φ 290-2268 type hydraulic support double-telescopic upright post, its work outside surface is TFL-H10000 type CO again
2Laser-processing system is carried out the laser manufacturing and is strengthened, and using power density is 7.8 * 10
3W/ ㎝
2, adopt 15 * 2mm broadband integration to focus on the processing mirror, with special special-purpose wide, form firm metallurgy fusion strengthening layer for the banded alloy of 15mm, thickness 0.7mm is manufactured on the outer working-surface of column.This laser is made column and is worked into design paper mechanical dimension tolerance and accuracy rating at grinding machine, re-uses its outer working-surface of ultrasonic wave and pair of rollers and polishes and finish rolling hardening.
Through the above-mentioned column that machines, at national support apparatus in coal mine quality supervision and test center, carry out unloaded shape journey, lowest starting pressure, sealing property, endurance quality, strength property test and simulated environment corrosion and chromium plating simultaneous test, its various results of property all reach MT313-92 " hydraulic support column technical qualification " standard; Its corrosion resistance nature is to adopt more than three times of former chrome-plated material.
Above-mentioned detailed description of the surface laser enhancement method of this hydraulic support plunger being carried out with reference to embodiment; be illustrative rather than determinate; can enumerate several embodiment according to set of dispense than qualification scope; therefore in the variation and the modification that do not break away under the general plotting of the present invention, should belong within protection scope of the present invention.
Claims (1)
1. the surface laser enhancement method of a hydraulic support plunger is characterized in that implementation step is as follows:
(1) column of hydraulic support, middle cylinder plug blank on the working-surface, use TFL-H10000 type CO through after the mechanical workout outside plunger
2Laser-processing system and YLS-4000 type optical-fiber laser processing unit, by massfraction % be: Cr 16～18, Ti 26～28, Ni 0.6～1.0, Mo 6.0～6.5, Cu 2～4, Nb 3～3.3 with main alloy element, the surface strengthening alloy material that mentioned component is formed, it is thread to manufacture Φ 2～5mm respectively, 1～3 * 15mm band shape and pulvis shape alloy material; At laser power density 4～8 * 10
3W/ ㎝
2, adopt 15 * 2mm broadband integration to focus under the processing mirror condition, use the stepped start-stop system wire feeding machine that thread, banded alloy material is applied to the optical-fiber laser processing machine; Or use pneumatic automatic powder feeding device that alloy powder is applied to CO
2Laser-processing system; Above-mentioned surface strengthening alloy material is machined in the outer working-surface of column, middle cylinder plug respectively, forms the high alloy metallurgy of the environmental corrosion of anti-tunnel the, resistance to compression, the reinforcement of 0.5～0.7mm in conjunction with working lining;
(2) column, the middle cylinder plug surface alloy working lining finished of laser manufacturing, adopt HKUSM-30 type ultrasonic metallic surface processing device and Φ 150～Φ 200mm to strengthen roller, column, middle cylinder plug are installed on the lathe, its working-surface is carried out precision polishing and roll extrusion, reach plunger working-surface specular gloss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105589936A CN101967538A (en) | 2010-11-25 | 2010-11-25 | Surface laser strengthening method for plunger of hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105589936A CN101967538A (en) | 2010-11-25 | 2010-11-25 | Surface laser strengthening method for plunger of hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101967538A true CN101967538A (en) | 2011-02-09 |
Family
ID=43546761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105589936A Pending CN101967538A (en) | 2010-11-25 | 2010-11-25 | Surface laser strengthening method for plunger of hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101967538A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252582A (en) * | 2013-04-12 | 2013-08-21 | 浙江大学宁波理工学院 | Laser wire-filling local bionic-texture manufacturing method and equipment for metal functional surfaces |
| CN103883587A (en) * | 2014-04-11 | 2014-06-25 | 重庆江陆激光科技有限公司 | Hydraulic support oil cylinder with inner hole seal part treated by adoption of laser cladding technology |
| CN106181238A (en) * | 2016-07-14 | 2016-12-07 | 浙江工贸职业技术学院 | Different parts at homogeneous materials component constructs the method for different thicknesses grain structure |
| CN107245716A (en) * | 2017-06-08 | 2017-10-13 | 合肥聪亨新型建材科技有限公司 | A kind of metal material surface handling process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN101643901A (en) * | 2008-08-06 | 2010-02-10 | 沈阳新松机器人自动化股份有限公司 | Alloy coating for crystallizer surface laser cladding and preparation method thereof |
| CN101748403A (en) * | 2009-12-28 | 2010-06-23 | 天津大族烨峤激光技术有限公司 | Composite strengthening method of anti-wear plate |
| 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 |
-
2010
- 2010-11-25 CN CN2010105589936A patent/CN101967538A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643901A (en) * | 2008-08-06 | 2010-02-10 | 沈阳新松机器人自动化股份有限公司 | Alloy coating for crystallizer surface laser cladding and preparation method thereof |
| 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 |
| CN101748403A (en) * | 2009-12-28 | 2010-06-23 | 天津大族烨峤激光技术有限公司 | Composite strengthening method of anti-wear plate |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 刘月龙等: "激光熔覆铁基合金涂层研究进展", 《安徽工业大学学报》, vol. 22, no. 4, 31 October 2005 (2005-10-31), pages 348 - 351 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103252582A (en) * | 2013-04-12 | 2013-08-21 | 浙江大学宁波理工学院 | Laser wire-filling local bionic-texture manufacturing method and equipment for metal functional surfaces |
| CN103883587A (en) * | 2014-04-11 | 2014-06-25 | 重庆江陆激光科技有限公司 | Hydraulic support oil cylinder with inner hole seal part treated by adoption of laser cladding technology |
| CN106181238A (en) * | 2016-07-14 | 2016-12-07 | 浙江工贸职业技术学院 | Different parts at homogeneous materials component constructs the method for different thicknesses grain structure |
| CN106181238B (en) * | 2016-07-14 | 2018-07-17 | 浙江工贸职业技术学院 | In the method that the different parts of homogeneous materials component construct different thicknesses grain structure |
| CN107245716A (en) * | 2017-06-08 | 2017-10-13 | 合肥聪亨新型建材科技有限公司 | A kind of metal material surface handling process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104741499B (en) | Sandwich layer forging die and preparation method of forging die sandwich layer surfacing | |
| US20180257134A1 (en) | Composite casting special-shaped roll and preparation process therefore | |
| CN108838270B (en) | Water expansion forming process of universal joint for automobile | |
| CN101967538A (en) | Surface laser strengthening method for plunger of hydraulic support | |
| CN104451487B (en) | Method for preparing copper alloy nanometer gradient material | |
| CN102139470B (en) | Shot peening method for die material surface | |
| CN103231206A (en) | Manufacturing technology of R4 grade mooring cable used on deep sea drilling platform | |
| CN108179417A (en) | A kind of manufacturing method of large scale bimetal wear resistant corrosion resistance composite board | |
| CN101225856B (en) | Technique for manufacturing high-carbon steel thrust sliding bearing of high-power low speed diesel engine | |
| WO2021073628A1 (en) | Cladding welding method applied to hydraulic support column | |
| CN104162761A (en) | Flywheel crack repair method | |
| CN101596573B (en) | Method for manufacturing transition section of conical head of coke tower | |
| CN111519072A (en) | Manufacturing process of pressure container | |
| CN110923522A (en) | Method for forming high-performance wide-width aluminum alloy plate | |
| CN110484909A (en) | A kind of the high-rate laser cladding method and column of column | |
| CN102717238A (en) | Manufacture method of concrete conveying cylinder and product | |
| CN106636976B (en) | The increasing material manufacturing method of piston rod surface | |
| CN104455538A (en) | Ball valve ball with high-wearable sealing surface and production method thereof | |
| CN111593294B (en) | High-performance shock absorber steel pipe and processing method thereof | |
| CN204420180U (en) | A kind of ball for ball valve with high abrasion sealing surfaces | |
| CN104148911B (en) | ERW expanding head expander die and manufacture craft thereof | |
| CN103834973B (en) | A kind of plating restorative procedure of Hastelloy conductive rollers roll surface | |
| WO2017036054A1 (en) | High performance titanium connecting sealing ring for deep-sea oil drilling and production device and processing method | |
| CN111411209A (en) | Fine shot blasting strengthening technology based on micro-particle steel wire shot cutting | |
| CN207483787U (en) | A kind of Treatment of Metal Surface propellers and its processing unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI JOYLONG SURFACE ENGINEERING CO., LTD. Free format text: FORMER OWNER: TIANJIN HAN S YQ LASER TECHNOLOGY CO., LTD. Effective date: 20130508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300353 JINNAN, TIANJIN TO: 442013 SHIYAN, HUBEI PROVINCE |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130508 Address after: 442013 Shiyan city of Hubei province whitecaps Road No. 11 Applicant after: HUBEI JILONG SURFACE ENGINEERING CO., LTD. Address before: 300353 Tianjin City Station Town Jinnan District Huang industrial park Win Industry Road No. 1 Applicant before: Tianjin Hans YQ Laser Co., Ltd. |
|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110209 |