CN101700595A - Method of babbitt metal melting pole inert gas protection arc braze welding - Google Patents
Method of babbitt metal melting pole inert gas protection arc braze welding Download PDFInfo
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- CN101700595A CN101700595A CN200910234504A CN200910234504A CN101700595A CN 101700595 A CN101700595 A CN 101700595A CN 200910234504 A CN200910234504 A CN 200910234504A CN 200910234504 A CN200910234504 A CN 200910234504A CN 101700595 A CN101700595 A CN 101700595A
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Abstract
The invention discloses a method of babbitt metal melting pole inert gas protection arc braze welding. In the method, babbitt metal is taken as a filler material to be deposited on the surface of a workpiece; discal babbitt metal welding wires are adopted to be delivered into a welding gun conductive nozzle through a wire feeder; conductive welding wires directly form a welding arc with the workpiece; the workpiece heating and wire melting are implemented, and the braze welding of a babbitt metal layer is finished on the surface of the workpiece. The method of the invention reduces the restriction of tungsten electrode to welding current, has simple operation, can realize automation, improve production efficiency, ensure welding quality, and enable the basic jointing interface of the babbitt metal layer and the workpiece to be smooth, and has high bonding strength.
Description
Technical field
The invention belongs to the piece surface processing technique field, relate to the piece surface processing method, more particularly, relate to a kind of method of surperficial babbitt metal melting pole inert gas protection arc braze welding.
Background technology
At present aspect the piece surface processing method; method is the surface that the liquation of babbit is cast in part preferably, and babbit fusion plating to the prior art of piece surface preferably method be that publication number is the domestic patent " babbit consumable electrode noble gas protective method for welding " of CN1947912.But it is that the deposited metal of lighting on electrode of welding arc (tungsten electrode) and the workpiece (welding wire) is separately independently that yet there are some distinct issues in this patented technology, promptly adopt tungsten electrode to light electric arc as an electrode, and need be with special wire-feed motor as the babbit of packing material, therefore bring: the one, equipment complexity, fault rate height, workpiece welding bad adaptability; The 2nd, welding current is limited by the tungsten electrode fusing point, and production efficiency is not high; The 3rd, the wetting cooperation that is difficult for of welding arc heat effect and packing material, welding quality instability; The 4th, problem such as welding arc cleaning action and packing material are wetting to be difficult for synchronously, and solder joints intensity is not high.
This patent and publication number are that the main distinction of the domestic patent of CN1947912 is that this patent has adopted the unique wire feeder and the source of welding current; a MIG weldering striking and an arc maintenance difficult technologies difficult problem that domestic and international low-melting-point metal (comprising babbit) is difficult to realize have been solved; cancelled the tungsten electrode of lighting electric arc; realize only using welding wire just can light welding arc and rely on self to melt and on workpiece, form overlay cladding, formed the new method of the babbit consumable electrode noble gas protective soldering of this patent.
Summary of the invention
Technical problem: the objective of the invention is provides the method for a kind of employing consumable electrode (thread babbit) inert gas shielding (MIG) electric arc direct soldering on surface of the work in order to overcome the deficiency that prior art exists.Method of the present invention is simple to operate, can realize automation and guarantee babbit pricker built-up welding on workpiece of high efficiency, high substrate combinating strength.
Technical scheme: to achieve these goals, the technical scheme that the present invention solves its technical problem is:
A kind of method of babbitt metal melting pole inert gas protection arc braze welding, babbit is deposited in the surface of workpiece as packing material, comprise the steps:
(1), workpiece to be welded is installed, make surface to be welded be in the position that is easy to weld;
(2), the babbit welding wire is sent to the welding gun ignition tip by wire-feed motor;
(3), torch neck is connected inert protective gas;
(4), open the source of welding current and protective gas; press the welding button; the wire-feed motor automatic feeding; the welding wire electric arc that contacts and ignite with workpiece; electric arc heated workpiece and filler wire; treat reach a high temperature state but when not melting of workpiece temperature, thereby liquid solder is wetting and sprawl and form overlay cladding at surface of the work.
Above-mentioned described workpiece material is cast steel or cast iron.
Tinbase or lead-base babbitt welding wire that above-mentioned described babbit welding wire is a plate-like.
The above-mentioned described source of welding current is protected the weldering power supply for consumable electrode gas.
Above-mentioned described inert gas is pure argon or pure helium.
The welding process flow of surface of the work babbitt metal melting pole inert gas protection arc braze welding is manually actuated to be finished, and also can finish on automatic soldering device.
Beneficial effect: the advantage and the beneficial effect of the method for a kind of babbitt metal melting pole inert gas protection arc braze welding of the present invention mainly contain:
(1), mother metal does not melt in the welding process, has only the packing material fusing, and the babbit surface deposited metal is on the surface of workpiece, the joint interface of babbit layer and workpiece substrate was smooth after welding was finished;
(2), simplified welder, improved the functional reliability of welder widely;
(3), reduced the restriction of tungsten electrode to welding current, can improve welding production efficiency;
(4), improved the mobility of welding gun, improved the welding work pieces adaptability of welder greatly and easily realized Automation of Welding, improve welding production efficiency and reduce labor strength, guarantee stability of the welding quality;
(5), coordinated electric arc heated, cleaning and liquid babbit wetting action, improved babbit and high base strength greatly.
The specific embodiment
Embodiment 1: the manual build up welding babbit
(1), workpiece is cast steel/cast iron materials, thickness is 80mm, adopting diameter is that the plate-like tin-base babbit silk of 0.8mm installs on the wire-feed motor;
(2), welding gun passes to the pure argon protective gas, flow is 6L/Min;
(3), welding gun is linked the utmost point of consumable electrode gas shielded welding machine power supply, workpiece is linked another utmost point of power supply;
(4), start-up by hand wire-feed motor is delivered to the welding gun ignition tip with welding wire;
(5), open the source of welding current, the setting welding current is 120A, voltage is 19V;
(6), operator's hand is taken welding gun, keep the certain altitude of welding gun on workpiece, start the welding button, welding gun is supplied gas in advance, the welding wire automatic feed also contacts with workpiece and to implement striking, after electric arc ignited, the operator was by left-to-right speed of welding with about 400mm/Min, swing or straight line moving electric arc, and at this moment Rong Hua welding wire forms liquid molten drop and drips on the workpiece and at the workpiece drawout, form uniform built-up welding seam, after arriving the weld seam end, press the button extinguish arcs by hand;
(7), manual mobile welding gun is to workpiece starting the arc end, laterally mobile certain track pitch at workpiece welding line, press by hand and start the welding button, repeat above welding process, can on workpiece, realize the second road weld seam successively, repeat said process once more, can be on workpiece manual build up welding become the babbit layer of certain-length, width and thickness;
(8), close the source of welding current and protective gas, welding process end.
Embodiment 2: the automatic surfacing babbit
(1), workpiece is cast steel/cast iron materials, thickness is 80mm, adopting diameter is that the plate-like tin-base babbit silk of 0.8mm installs on the wire-feed motor;
(2), welding gun passes to the pure argon protective gas, flow is 6L/Min;
(3), welding gun is linked the utmost point of consumable electrode gas shielded welding machine power supply, but and be clamped to all around, up and down on the slide block of three-degree-of-freedom motion, workpiece is put can 360 degree rotations, on the frock of front and back 90 degree upsets and link another utmost point of power supply;
(4), start-up by hand wire-feed motor is delivered to the welding gun ignition tip with welding wire;
(5), open the source of welding current, the setting welding current is 120A, voltage is 19V;
(6), the operator starts the welding button on remote-control box, welding gun is supplied gas in advance, the welding wire automatic feed also contacts with workpiece and to implement striking, after electric arc ignited, welding gun was automatically by left-to-right speed of welding with about 400mm/Min, and made the teeter electric arc of 3Hz, at this moment Rong Hua welding wire forms liquid molten drop and drips on the workpiece and at the workpiece drawout, form uniform built-up welding seam, behind the arrival weld seam end, the automatic extinguish arcs of welding gun;
(7), welding gun moves to workpiece starting the arc end automatically, laterally mobile certain track pitch at workpiece welding line, automatically start the welding button, repeat above welding process, can on workpiece, realize the second road weld seam successively, repeat said process once more, can be on workpiece automatic surfacing become the babbit layer of certain-length, width and thickness;
(8), close the source of welding current and protective gas, welding process end.
Embodiment 3: the manual build up welding babbit
(1), workpiece is cast steel/cast iron materials, thickness 200mm is that the plate-like tin-base babbit silk of 4mm installs on the wire-feed motor with diameter;
(2), welding gun passes to the pure argon protective gas, flow is 15L/Min;
(3), welding gun is linked the utmost point of consumable electrode gas shielded welding machine power supply, workpiece is linked another utmost point of power supply;
(4), start-up by hand wire-feed motor is delivered to the welding gun ignition tip with welding wire;
(5), open the source of welding current, the setting welding current is 400A, voltage is 30V;
(6), operator's hand is taken welding gun, keep the certain altitude of welding gun on workpiece, start the welding button, welding gun is supplied gas in advance, the welding wire automatic feed also contacts with workpiece and to implement striking, after electric arc ignited, the operator was by left-to-right speed of welding with about 1500mm/Min, swing or straight line moving electric arc, and at this moment Rong Hua welding wire forms liquid molten drop and drips on the workpiece and at the workpiece drawout, form uniform built-up welding seam, after arriving the weld seam end, press the button extinguish arcs by hand;
(7), manual mobile welding gun is to workpiece starting the arc end, laterally mobile certain track pitch at workpiece welding line, press by hand and start the welding button, repeat above welding process, can on workpiece, realize the second road weld seam successively, repeat said process once more, can be on workpiece manual build up welding become the babbit layer of certain-length, width and thickness.
(8), close the source of welding current and protective gas, welding process end.
Embodiment 4: the automatic surfacing babbit
(1), workpiece is cast steel/cast iron materials, thickness is 200mm, adopting diameter is that the plate-like tin-base babbit silk of 4mm installs on the wire-feed motor;
(2), welding gun passes to the pure argon protective gas, flow is 15L/Min;
(3), welding gun is linked the utmost point of consumable electrode gas shielded welding machine power supply, but and be clamped to all around, up and down on the slide block of three-degree-of-freedom motion, workpiece is put can 360 degree rotations, on the frock of front and back 90 degree upsets and link another utmost point of power supply;
(4), start-up by hand wire-feed motor is delivered to the welding gun ignition tip with welding wire;
(5), open the source of welding current, the setting welding current is 400A, voltage is 30V;
(6), the operator starts the welding button on remote-control box, welding gun is supplied gas in advance, the welding wire automatic feed also contacts with workpiece and to implement striking, after electric arc ignited, welding gun was automatically by left-to-right speed of welding with about 1500mm/Min, and made the teeter electric arc of 10Hz, at this moment Rong Hua welding wire forms liquid molten drop and drips on the workpiece and at the workpiece drawout, form uniform built-up welding seam, behind the arrival weld seam end, the automatic extinguish arcs of welding gun;
(7), welding gun moves to workpiece starting the arc end automatically, laterally mobile certain track pitch at workpiece welding line, automatically start the welding button, repeat above welding process, can on workpiece, realize the second road weld seam successively, repeat said process once more, can be on workpiece automatic surfacing become the babbit layer of certain-length, width and thickness.
(8), close the source of welding current and protective gas, welding process end.
Undoubtedly, surface of the work babbit consumable electrode noble gas protective method for welding of the present invention can also have other values and welding manner, is not limited to value and welding manner in the above-mentioned embodiment.In a word, protection scope of the present invention should comprise that those those of ordinary skills are conspicuous conversion or substitute.
Claims (5)
1. the method for a babbitt metal melting pole inert gas protection arc braze welding is deposited in the surface of workpiece as packing material with babbit, it is characterized in that comprising the steps:
(1), workpiece to be welded is installed, make surface to be welded be in the position that is easy to weld;
(2), the babbit welding wire is sent to the welding gun ignition tip by wire-feed motor;
(3), torch neck is connected inert protective gas;
(4), open the source of welding current and protective gas; press the welding button; the wire-feed motor automatic feeding; the welding wire electric arc that contacts and ignite with workpiece; electric arc heated workpiece and filler wire; treat reach a high temperature state but when not melting of workpiece temperature, thereby liquid solder is wetting and sprawl and form overlay cladding at surface of the work.
2. the method for a kind of babbitt metal melting pole inert gas protection arc braze welding according to claim 1 is characterized in that described workpiece material is cast steel or cast iron.
3. the method for a kind of babbitt metal melting pole inert gas protection arc braze welding according to claim 1 is characterized in that tinbase or lead-base babbitt welding wire that described babbit welding wire is a plate-like.
4. the method for a kind of babbitt metal melting pole inert gas protection arc braze welding according to claim 1 is characterized in that the described source of welding current is consumable electrode gas guarantor weldering power supply.
5. the method for a kind of babbitt metal melting pole inert gas protection arc braze welding according to claim 1 is characterized in that described inert protective gas is pure argon or pure helium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910234504A CN101700595A (en) | 2009-11-20 | 2009-11-20 | Method of babbitt metal melting pole inert gas protection arc braze welding |
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| CN200910234504A CN101700595A (en) | 2009-11-20 | 2009-11-20 | Method of babbitt metal melting pole inert gas protection arc braze welding |
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| CN101700595A true CN101700595A (en) | 2010-05-05 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785004A (en) * | 2012-09-10 | 2012-11-21 | 郑州市郑蝶阀门有限公司 | Process for surfacing stainless steel sealing face on ductile cast iron valve base |
| CN103056494A (en) * | 2012-12-26 | 2013-04-24 | 沪东重机有限公司 | Welding method for protecting robot work station by using babbitt metal tungsten electrode inert gas |
| CN103817413A (en) * | 2014-03-20 | 2014-05-28 | 哈尔滨工业大学 | Method for manufacturing copper base alloy bearing bush wear-resisting layer |
| CN110116260A (en) * | 2019-05-09 | 2019-08-13 | 福尼斯(南京)表面工程技术有限公司 | A kind of welding method for replacing pouring babbit |
| CN110116258A (en) * | 2019-05-09 | 2019-08-13 | 福尼斯(南京)表面工程技术有限公司 | A kind of welding method being applied to thrust bearing shoe babbit using CMT |
| CN112404666A (en) * | 2020-11-04 | 2021-02-26 | 江苏科技大学 | Method for manufacturing babbit metal overlaying layer for inhibiting Fe element diffusion through interface layer |
| CN112404665A (en) * | 2020-11-04 | 2021-02-26 | 江苏科技大学 | Manufacturing method of babbit metal surfacing layer with oil groove |
| CN112743292A (en) * | 2020-10-21 | 2021-05-04 | 中国科学院金属研究所 | Argon arc brazing repair method for cast iron part |
-
2009
- 2009-11-20 CN CN200910234504A patent/CN101700595A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102785004A (en) * | 2012-09-10 | 2012-11-21 | 郑州市郑蝶阀门有限公司 | Process for surfacing stainless steel sealing face on ductile cast iron valve base |
| CN103056494A (en) * | 2012-12-26 | 2013-04-24 | 沪东重机有限公司 | Welding method for protecting robot work station by using babbitt metal tungsten electrode inert gas |
| CN103817413A (en) * | 2014-03-20 | 2014-05-28 | 哈尔滨工业大学 | Method for manufacturing copper base alloy bearing bush wear-resisting layer |
| CN103817413B (en) * | 2014-03-20 | 2016-02-17 | 哈尔滨工业大学 | A kind of preparation method of copper-based alloy bearing bush wearing layer |
| CN110116260A (en) * | 2019-05-09 | 2019-08-13 | 福尼斯(南京)表面工程技术有限公司 | A kind of welding method for replacing pouring babbit |
| CN110116258A (en) * | 2019-05-09 | 2019-08-13 | 福尼斯(南京)表面工程技术有限公司 | A kind of welding method being applied to thrust bearing shoe babbit using CMT |
| CN112743292A (en) * | 2020-10-21 | 2021-05-04 | 中国科学院金属研究所 | Argon arc brazing repair method for cast iron part |
| CN112404666A (en) * | 2020-11-04 | 2021-02-26 | 江苏科技大学 | Method for manufacturing babbit metal overlaying layer for inhibiting Fe element diffusion through interface layer |
| CN112404665A (en) * | 2020-11-04 | 2021-02-26 | 江苏科技大学 | Manufacturing method of babbit metal surfacing layer with oil groove |
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Open date: 20100505 |