CN101376190A - Overlaying welding method and apparatus for transitional powder electric arc deposited abrasion resistance material with additional forming carbides - Google Patents
Overlaying welding method and apparatus for transitional powder electric arc deposited abrasion resistance material with additional forming carbides Download PDFInfo
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- CN101376190A CN101376190A CNA200710146278XA CN200710146278A CN101376190A CN 101376190 A CN101376190 A CN 101376190A CN A200710146278X A CNA200710146278X A CN A200710146278XA CN 200710146278 A CN200710146278 A CN 200710146278A CN 101376190 A CN101376190 A CN 101376190A
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Abstract
The invention relates to a surfacing welding method and a device, particularly a surfacing welding method of an additional carbide-forming transitional powder arc deposit wear-resistant material. The method comprises the following steps: taking an automatic welding arc as the heat source; uniformly laying the carbide-forming transitional powder to be added on the surfacing-welded metal plate in the front of the surfacing welding molten pool during the surfacing welding process; and forming a high wear-resistant surfacing metal layer from the added carbide-forming transitional powder and a matrix metal surface layer under the action of the welding arc. Through controlling the content and the composition elements of the carbide-forming powder laid on the welded metal plate, the metal surface surfacing welding layer with the required performance can be obtained, and the carbide content in the surfacing welding layer is more than 50%.
Description
Technical field
The present invention relates to the metal arc built-up welding, specifically is to add transitional powder electric arc deposited abrasion resistance material overlaying method and the equipment that forms carbide.
Background technology
Built-up welding is widely used as a manufacturing and renovation technique, and particularly the built-up welding of high-abrasive material brings huge economic benefit to enterprise, and the life-span of the parts that are operated in the surface abrasion working condition is significantly improved.The for example mill of the wheel of the roll of steel rolling mill, train, coal pulverizer and grinding roller, digging drilling equipment or the like.Studies show that the anti-wear performance of surface overlaying layer is relevant with the carbide content in the overlay cladding, along with the increase of carbide content, the hardness of surface overlaying layer is high more, and anti-wear performance is good more.Carbide content in the overlay cladding of existing various overlaying methods all is subject to certain restrictions; carbide content in the manual electric arc welding overlay cladding is subjected to the restriction of carbide content in the electrode coating; submerged-arc welding is subjected to the restriction of carbide content in component of weld wire and the ceramic welding agent; the restriction that non gas shielded welding then is subjected to form the transition powder packing factor of carbide in the flux-cored wire is generally less than 45%, and the carbide content that how to improve in the overlay cladding is the difficult problem of pendulum in face of the built-up welding worker.
Chinese patent 93105887.2 discloses a kind of method for large-area built-up welding on metal surface; it mainly is to need the powder of transition to mix with adhesive; be pressed into flexible powder band with certain thickness and width; during welding; with the interim form of powder band as hardened material; with the automatic electric arc of consumable electrode gas-arc is thermal source, and electrode self melts, and forms the high abrasion-proof overlaying welding metal level jointly with the powder band of fusing and the base metal surface layer of fusing.
But the adhesive in the flexible powder band may bring harmful effect to overlay cladding, particularly for preventing or reduce workpiece deformation that adopt under the condition of high speed built-up welding, adhesive can not be discharged, and remains in the layer, will influence the performance of overlay cladding.For equipment, needing increases the device that a cover is given flexible powder band, and the structure of this device and the structure of wire feeder are similar.It is cumbersome to belong to the cleaning that remains in the two-layer flexible powder band that does not melt of welding bead.
Summary of the invention
Technical problem to be solved by this invention is at the above-mentioned deficiency of prior art, and to provide a kind of transitional powder electric arc deposited abrasion resistance material overlaying method and equipment that forms carbide that adds.
The transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds provided by the present invention is realized by following technical scheme.
Technical problem to be solved by this invention is: at the above-mentioned deficiency of prior art, and provide a kind of transitional powder electric arc deposited abrasion resistance material overlaying method and equipment that forms carbide that adds.
The transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds provided by the present invention is realized by following technical scheme.
A kind of transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds, with automatic weldering electric arc is thermal source, it is characterized in that: carry out in the process in built-up welding, the transition powder of the formation carbide that needs are added evenly be layed in the place ahead, built-up welding molten bath by on the metallic plate of built-up welding, the transition powder of the formation carbide of interpolation forms the high abrasion-proof overlaying welding metal level with the base metal surface layer under the effect of welding arc.
The described transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds, it is characterized in that: described automatic weldering electric arc is consumable electrode gas-arc automatic arc welding or non-melt pole gas shield automatic arc welding, and described consumable electrode gas-arc automatic arc welding is automatic arc welding of the metal utmost point or self-protection flux-cored wire automatic arc welding; Described non-melt pole gas shield automatic arc welding is an automatic tungsten anode argon arc welding.
The described transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds, it is characterized in that: the transition powder of described formation carbide is carbide powder or graphite+antifriction alloy element powder; Described antifriction alloy element powder comprises one or more in chromium, molybdenum, manganese, vanadium, boron, silicon, niobium, the titanium alloy element.
The described transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds is characterized in that: when built-up welding is carried out, absorb the not molten alloyed powder that forms carbide that remains on the bead welding with the vacuum starch absorbing device.
The present invention also provides a kind of equipment that adds the transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that is used for said method; it is the automatic device of arc of consumable electrode gas-arc that comprises crosshead, wire feeder and be located at the welding gun on the crosshead; it is characterized in that: the place ahead of built-up welding traffic direction is provided with the transition powder box that forms carbide on described crosshead, and the bottom of the transition powder box of described formation carbide is provided with the alloyed powder that will form carbide and all transports the powder feeding pipe that reaches by the weldering metal surface.
The described transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds, it is characterized in that: the bottom of the transition powder box of described formation carbide is infundibulate, described powder feeding pipe setting is connected with the funnel-shaped bottom portion of the transition powder box of described formation carbide, and is provided with the valve of the transition powder flow of the described formation carbide of control in powder feeding pipe.
The described transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds, it is characterized in that: the end of described powder feeding pipe is arranged to rectangle and is twitched one's mouth, the width of twitching one's mouth is the width that is a bit larger tham bead welding, concrete 10-30mm twitches one's mouth and the height distance of being welded between the metallic plate is 20-40mm.
The described transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds, it is characterized in that: the valve of the transition powder flow of the described formation carbide of described control is paddle type valve or fine jade template valve.
The described transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds, it is characterized in that: be provided with the vacuum starch absorbing device, the suction of described vacuum starch absorbing device is in charge of and is arranged on the described crosshead, be positioned at the rear of built-up welding traffic direction, twitch one's mouth with the end rectangle of powder feeding pipe, bead welding wire in line.
The described transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds is characterized in that: also comprise the source of welding current, control cabinet, the described source of welding current be inverter,
The invention has the advantages that:
The present invention carries out in the process in built-up welding, the alloyed powder of the formation carbide that needs are added is layed on the metallic plate in the place ahead, built-up welding molten bath, and the alloyed powder of the formation carbide of interpolation forms the high abrasion-proof overlaying welding metal level with the base metal surface layer of consumable electrode and fusing under the effect of welding arc.Be layed in by the content and the component of the formation carbide powder on the weldering metallic plate by control, can obtain the metal surface overlay cladding of desired properties, carbide content surpasses 50% in the overlay cladding.
For architectural feature of the present invention and effect thereof are had further understanding, enumerate specific embodiment now and be described with reference to the accompanying drawings as follows.
Description of drawings
Fig. 1 implements the equipment schematic diagram that the present invention adds the transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide.
Fig. 2 is the powder feeding pipe structural representation.
The specific embodiment
The present invention is for overcoming the restricted deficiency of carbide content in the wearable overlay that existing various hardfacing methods are obtained, and a kind of transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds is provided, method provided by the present invention is to be thermal source with the automatic arc welding, described automatic arc welding is consumable electrode gas-arc automatic arc welding or non-melt pole gas shield automatic arc welding, and described consumable electrode gas-arc automatic arc welding is automatic arc welding of the metal utmost point or self-protection flux-cored wire automatic arc welding; Described non-melt pole gas shield automatic arc welding is an automatic tungsten anode argon arc welding.
When adopting the consumable electrode gas-arc automatic arc welding; promptly adopting the electrode that contains carbide alloy (is welding wire; comprise alloy welding wire and flux cored wire) self melt and carry out built-up welding; for improving carbide content in the overlay cladding; carry out again adding welding pool from the outside transition powder that forms carbide in the process in built-up welding; specifically be; the transition powder of the formation carbide that needs are added with powder feeding pipe evenly be layed in the place ahead, built-up welding molten bath by on the metallic plate of built-up welding, the transition powder of the formation carbide of interpolation forms the high abrasion-proof overlaying welding metal level with the base metal surface layer of consumable electrode and fusing under the effect of welding arc.
The alloy transition powder of affiliated formation carbide is carbide or graphite+antifriction alloy element powder; Described antifriction alloy element powder comprises one or more in chromium, molybdenum, manganese, vanadium, boron, silicon, niobium, the titanium alloy element.
When adopting automatic tungsten anode argon arc welding, the transition powder of the formation carbide that needs are added with powder feeding pipe evenly be layed in the place ahead, built-up welding molten bath by on the metallic plate of built-up welding, the transition powder of the formation carbide of laying forms the high abrasion-proof overlaying welding metal level with the base metal surface layer of fusing under the effect of welding arc.
When built-up welding is carried out, for the alloyed powder of residual formation carbide in welded joints, absorb with the vacuum starch absorbing device, molten even to guarantee as the carbide content in the molten bath.
The present invention also provides a kind of equipment that adds the transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that is used for said method; this equipment comprises crosshead 1, wire feeder 2 and is located at the automatic device of arc of consumable electrode gas-arc of the welding gun 3 on the crosshead 1 as shown in Figure 1.For realizing adding the transition powder that forms carbide, the place ahead of built-up welding traffic direction is provided with the alloy powder box 4 that forms carbide on described crosshead 1, and the bottom of the alloy powder box 4 of described formation carbide is provided with the alloyed powder that will form carbide and all transports the powder feeding pipe 5 that reaches by the weldering metal surface.
The bottom of the alloy powder box of described formation carbide is infundibulate, and described powder feeding pipe 5 settings are connected with the funnel-shaped bottom portion of the alloy powder box of described formation carbide, and are provided with the valve 6 of the alloyed powder flow of the described formation carbide of control in powder feeding pipe.The valve of the alloyed powder flow of the described formation carbide of described control is paddle type valve or rotating plate (plug) type valve.Described rotating plate type valve is provided with the swing handle 13 of control valve plate corner, and swing handle 13 is provided with latch 14, is provided with locating hole 12 in valve body, and described swing handle 13 is inserted 14 locating holes of being located on the described valve body 12 by latch and located.
Shown in Figure 2 is the powder feeding pipe structural representation.The end of described powder feeding pipe is arranged to rectangle and is twitched one's mouth 7, and the width of twitching one's mouth is the width b that is a bit larger tham bead welding, specifically is 10-30mm, twitches one's mouth and is 20-40mm by the height distance h of weldering between the metallic plate.
For removing the alloyed powder of residual formation carbide in welded joints, to guarantee that carbide content is even in the overlay cladding, be provided with a vacuum starch absorbing device 8, the suction of described vacuum starch absorbing device 8 is in charge of 9 and is arranged on the described crosshead 1, be positioned at the rear of built-up welding traffic direction, twitch one's mouth with the end rectangle of powder feeding pipe, bead welding wire in line.
Described surfacing equipment also comprises the source of welding current 10, control cabinet 11, the described source of welding current be inverter,
For automatic tungsten anode argon arc welding, then on the crosshead of automatic tungsten anode argon arc welding, the place ahead of built-up welding traffic direction is provided with the alloy powder box that forms carbide, and the bottom of the alloy powder box of described formation carbide is provided with the alloyed powder that will form carbide and all transports the powder feeding pipe that reaches by the weldering metal surface.The rear that is positioned at the built-up welding traffic direction is provided with the vacuum starch absorbing device.
Claims (10)
1, a kind of transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds, with automatic weldering electric arc is thermal source, it is characterized in that: carry out in the process in built-up welding, the transition powder of the formation carbide that needs are added evenly be layed in the place ahead, built-up welding molten bath by on the metallic plate of built-up welding, the transition powder of the formation carbide of interpolation forms the high abrasion-proof overlaying welding metal level with the base metal surface layer under the effect of welding arc.
2, the transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds according to claim 1, it is characterized in that: described automatic weldering electric arc is consumable electrode gas-arc automatic arc welding or non-melt pole gas shield automatic arc welding, and described consumable electrode gas-arc automatic arc welding is automatic arc welding of the metal utmost point or self-protection flux-cored wire automatic arc welding; Described non-melt pole gas shield automatic arc welding is an automatic tungsten anode argon arc welding.
3, the transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds according to claim 1, it is characterized in that: the transition powder of described formation carbide is carbide powder or graphite+antifriction alloy element powder; Described antifriction alloy element powder is one or more in chromium, molybdenum, manganese, vanadium, boron, silicon, niobium, the titanium alloy element.
4, the transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that adds according to claim 1 is characterized in that: when built-up welding is carried out, absorb the not molten alloyed powder that forms carbide that remains on the bead welding with the vacuum starch absorbing device.
5, a kind of equipment that adds the transitional powder electric arc deposited abrasion resistance material overlaying method that forms carbide that is used for the described method of claim 1, comprise crosshead, be located at the welding gun on the crosshead, it is characterized in that: the place ahead of built-up welding traffic direction is provided with the transition powder box that forms carbide on described crosshead, and the bottom of the transition powder box of described formation carbide is provided with evenly sends to the transition powder that forms carbide by the powder feeding pipe of weldering metal surface.
6, the transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds according to claim 5, it is characterized in that: the bottom of the alloy powder box of described formation carbide is infundibulate, described powder feeding pipe setting is connected with the funnel-shaped bottom portion of the alloy powder box of described formation carbide, and is provided with the valve of the alloyed powder flow of the described formation carbide of control in powder feeding pipe.
7, the transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds according to claim 5, it is characterized in that: the end of described powder feeding pipe is arranged to rectangle and is twitched one's mouth, the width of twitching one's mouth is the width that is a bit larger tham bead welding, concrete 10-30mm twitches one's mouth and the height distance of being welded between the metallic plate is 20-40mm.
8, the transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds according to claim 6, it is characterized in that: the valve of the alloyed powder flow of the described formation carbide of described control is paddle type valve or rotating plate type valve.
9, the transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds according to claim 8, it is characterized in that: described rotating plate type valve is provided with the swing handle of control valve plate corner, swing handle is provided with latch, be provided with locating hole in valve body, described swing handle is located by the locating hole that latch is inserted on the described valve body.
10, the transitional powder electric arc deposited abrasion resistance material surfacing equipment that forms carbide that adds according to claim 5, it is characterized in that: be provided with a vacuum starch absorbing device, the suction of described vacuum starch absorbing device is in charge of and is arranged on the described crosshead, be positioned at the rear of built-up welding traffic direction, twitch one's mouth with the end rectangle of powder feeding pipe, bead welding wire in line.
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| CN101804709A (en) * | 2010-03-08 | 2010-08-18 | 安徽海螺川崎装备制造有限公司 | Wearing resistant structure of wear resistant piece and repair machining process thereof |
| CN102107315A (en) * | 2010-12-31 | 2011-06-29 | 常州富通焊业有限公司 | Method and equipment for manufacturing surfacing composite wear-resistant steel plate |
| CN101590558B (en) * | 2009-07-03 | 2011-11-23 | 河北农业大学 | Preparation method of reaction nitrogen arc surfacing titanium carbonitride reinforced titanium-based composite coating |
| CN102343471A (en) * | 2010-07-29 | 2012-02-08 | 上海图博可特石油管道涂层有限公司 | Overlaying process of drilling tool for petroleum extraction |
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| CN101870027B (en) * | 2009-04-22 | 2012-06-27 | 中冶焊接科技有限公司 | Method for manufacturing high-chromium alloy overlaying composite abrasion resistant plate |
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| CN114131139A (en) * | 2022-01-05 | 2022-03-04 | 艾锑威江苏材料科技有限公司 | Method for increasing carbide in alloy layer on inner wall of large-caliber open arc surfacing elbow |
| CN114515887A (en) * | 2022-03-11 | 2022-05-20 | 郑州机械研究所有限公司 | Preparation method of low-dilution-rate surfacing wear-resistant plate |
| CN118060677A (en) * | 2024-04-24 | 2024-05-24 | 常州振尧精密钣金制造有限公司 | Argon arc welding straight line welding device |
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- 2007-08-31 CN CNA200710146278XA patent/CN101376190A/en active Pending
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| CN101870027B (en) * | 2009-04-22 | 2012-06-27 | 中冶焊接科技有限公司 | Method for manufacturing high-chromium alloy overlaying composite abrasion resistant plate |
| CN101590558B (en) * | 2009-07-03 | 2011-11-23 | 河北农业大学 | Preparation method of reaction nitrogen arc surfacing titanium carbonitride reinforced titanium-based composite coating |
| CN101804709A (en) * | 2010-03-08 | 2010-08-18 | 安徽海螺川崎装备制造有限公司 | Wearing resistant structure of wear resistant piece and repair machining process thereof |
| CN102343471A (en) * | 2010-07-29 | 2012-02-08 | 上海图博可特石油管道涂层有限公司 | Overlaying process of drilling tool for petroleum extraction |
| CN102343470A (en) * | 2010-07-29 | 2012-02-08 | 上海图博可特石油管道涂层有限公司 | Overlaying equipment of drilling tool for petroleum extraction |
| CN102107315A (en) * | 2010-12-31 | 2011-06-29 | 常州富通焊业有限公司 | Method and equipment for manufacturing surfacing composite wear-resistant steel plate |
| CN102107315B (en) * | 2010-12-31 | 2012-09-26 | 常州富通焊业有限公司 | Method and equipment for manufacturing surfacing composite wear-resistant steel plate |
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| CN103273168B (en) * | 2013-04-25 | 2015-06-03 | 常州富通焊业有限公司 | Tungsten carbide suspended bead welding method and device |
| CN103273170A (en) * | 2013-06-18 | 2013-09-04 | 佳木斯大学 | Build-up welding method for ceramic-reinforced iron-based wear-resistant composite coatings |
| CN105331974A (en) * | 2015-11-20 | 2016-02-17 | 华中科技大学 | Broadband laser fusion covering system and powder feeding nozzle thereof |
| CN105331974B (en) * | 2015-11-20 | 2017-09-26 | 华中科技大学 | A kind of broadband laser cladding system and its powder-feeding nozzle |
| CN106624323A (en) * | 2016-12-13 | 2017-05-10 | 南京理工大学 | Fuse wire filled multifunctional controllable additive manufacturing device |
| CN107598407A (en) * | 2017-11-09 | 2018-01-19 | 湖州高恒电梯配件有限公司 | A kind of heap welding method |
| CN109628926A (en) * | 2019-01-23 | 2019-04-16 | 西安理工大学 | A kind of rectangular laser cladding powder-feeding nozzle |
| CN111112794A (en) * | 2020-01-14 | 2020-05-08 | 三峡大学 | Third-phase reinforced metal matrix composite material arc additive manufacturing method and equipment |
| CN113634401A (en) * | 2021-09-08 | 2021-11-12 | 江苏科环新材料有限公司 | Nano metal coating processingequipment |
| CN114131139A (en) * | 2022-01-05 | 2022-03-04 | 艾锑威江苏材料科技有限公司 | Method for increasing carbide in alloy layer on inner wall of large-caliber open arc surfacing elbow |
| CN114515887A (en) * | 2022-03-11 | 2022-05-20 | 郑州机械研究所有限公司 | Preparation method of low-dilution-rate surfacing wear-resistant plate |
| CN118060677A (en) * | 2024-04-24 | 2024-05-24 | 常州振尧精密钣金制造有限公司 | Argon arc welding straight line welding device |
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