CN101462194B - Titanium and titanium alloy consumable electrode noble gas protective welding technique - Google Patents
Titanium and titanium alloy consumable electrode noble gas protective welding technique Download PDFInfo
- Publication number
- CN101462194B CN101462194B CN2009100641264A CN200910064126A CN101462194B CN 101462194 B CN101462194 B CN 101462194B CN 2009100641264 A CN2009100641264 A CN 2009100641264A CN 200910064126 A CN200910064126 A CN 200910064126A CN 101462194 B CN101462194 B CN 101462194B
- Authority
- CN
- China
- Prior art keywords
- welding
- angle
- titanium
- titanium alloy
- vertical position
- 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.)
- Active
Links
Images
Landscapes
- Arc Welding In General (AREA)
Abstract
The invention provides a protection welding technique for melting-pole inert gases (MIG) of titanium and a titanium alloy. A welding process adopts a wire sending mode of a pushing and pulling type, a melting drop transition form is short circuit transition or jetting transition, a welding electric arc is combined by mutually switching a pulse and an electric arc of continuous combustion, and a welding position and a corresponding welding rule are selected properly according to different welding work conditions. A welding joint is designed into a butt joint welding seam with a padding plate or without the padding plate, and a T-shaped joint angle welding seam and a butt joint welding seam in an angle joint form. The welding groove design is carried out correspondingly. Incline angles theta and omega of the welding seams relative to a welding gun are controlled. High-purity argon gas or helium and argon combing protection are adopted in the welding process to realize the welding. The technique solves the problems of controlling the MIG welding process of complicated structural parts of large thin walls of the titanium and the titanium alloy and relevant technical problems, realizesthe engineered application to the MIG welding of the titanium and the titanium alloy, improves the welding production efficiency by 1 to 3 times, and improves the comprehensive quality of the weldingseams and welding components.
Description
Technical field
The present invention relates to a kind of solder technology, particularly relate to a kind of titanium or titanium alloy consumable electrode noble gas protective welding technique.
Background technology
Along with the maximization day by day of modern industry and defence equipment, complicated; the engineering efficient, that stablize solder technology of hardware is used more and more extensive, and welding connects (being called for short MIG) technology to be become modern industry and produce one of one preferred technique that medium-and-large-sized complicated titanium system structural member welds.At present, less about the laboratory process data and the article of the manual MIG welding of titanium or titanium alloy, rarely have report especially in the research of engineering application facet.At present, No.China Shipbuilding Industry Group Co.ltd. 725 Institute is the unit of China at the first-elected manual consumable electrode noble gas protective welding technique of titanium alloy through engineering approaches welding application facet.
Present titanium or titanium alloy large-sized structural parts, thin-walled part muscle spare particularly, its weld seam quantity is many, distribution space and position complexity, is not suitable for adopting the advanced technologies such as Laser Welding, electron beam welding, plasma arc welding (PAW) of high-quality and high-efficiency, still is welded as the master with common handwork tungsten electrode argon arc (being called for short TIG).But the fusing point of titanium material is higher, poor thermal conductivity, and the weld metal zone high-temperature residence time is longer, and molten pool metal grain growth tendency is bigger, and the joint comprehensive mechanical property descends to some extent.General T IG speed of welding is slow, and hot input quantity is relatively large, causes welding deformation and residual stress to increase, and tends to cause the member welding seam failure to destroy, and is difficult to realize the welding of position such as overhead welding in operating process.These have limited TIG to a certain extent and have been welded on the application of structural member in making.And MIG welding compare with traditional TIG welding method have that speed of welding is fast, production efficiency is high, cost is low, joint residual stress and residual deformation is little, relative tiny, the advantage such as joint mechanical property is good of seam organization.The laboratory welding of domestic this technology has obtained certain successful experience.But the application study in the engineering welding of titanium or titanium alloy material still belongs to blank.
Summary of the invention
Technical problem to be solved by this invention provides a kind of titanium or titanium alloy consumable electrode noble gas protective welding technique; connect engineer testing by manual welding; solve manual MIG welding procedure in the multiple position of titanium or titanium alloy member and through engineering approaches application operating technical barrier; realize the MIG welding of titanium or titanium alloy complex structural member locus weld seam; to improve the Welding Structure quality; improved welding production efficiency; solve when adopting common TIG welding method welding 10mm following thin-walled titanium components complex space and position weld seam, speed of welding is slow; deposition efficiency is low; the problem that welding deformation and residual stress are big.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
Titanium or titanium alloy welding of the present invention connects (being called for short MIG) technology, it is characterized in that described solder technology comprises:
---welding manner: welding process manual operations, adopt plug-type wire feeding mode, mode of metal transfer is short circuit or spray transfer, welding arc is that pulse is switched mutually with continuous burning electric arc and combined, suitable according to different welding operating mode environmental selections then welding position and corresponding welding conditions thereof;
---welding point form: welding point is designed to backing plate or not with the butt weld of backing plate butt weld, T-shape joint angles weld seam and angle joint form;
---bevel for welding design: welding point is the angle welding that the does not require through welding finished edge not of T-shape joint; Corresponding groove is all processed in butt weld for the various terminal form of through welding; The root face height h scope of groove is 0mm～4mm, and fit-up gap p scope is 0～5mm, and bevel angle α, β scope are 40-70 °; Joint and groove type are seen Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4.
--the operation of-welding gun: when manually controlling welding gun, the welding gun translational speed is stable, even, to reduce the fluctuation of weldingvoltage, obtains good weld appearance and is shaped; Fig. 5, Fig. 6, Fig. 7 and shown in Figure 8 are seen in the tilt angle theta of welding gun phase butt welded seam and the control of ω: during the butt weld welding, the welding gun angle θ of its downhand welding and ω are respectively 70-110 ° and 80-110 °, the welding gun angle θ of horizontal position welding and ω are respectively 70-110 ° and 70-100 °, the welding gun angle θ of vertical position welding and ω are respectively 50-100 ° and 80-110 °, and the welding gun angle θ of overhead welding and ω are respectively 70-120 ° and 80-110 °; During the angle welding welding, the welding gun angle θ of its downhand welding and ω are respectively 70-110 ° and 30-80 °, the welding gun angle θ of horizontal position welding and ω are respectively 70-110 ° and 30-60 °, the welding gun angle θ of vertical position welding and ω are respectively 50-100 ° and 30-80 °, and the welding gun angle θ of overhead welding and ω are respectively 70-120 ° and 30-60 °; Under various welding positions and the joint form condition, concrete welding conditions and operation control parameter are as shown in table 1:
Table 1 Control Welding Process standard parameter
--the selection of-protective gas: adopt high-purity argon gas or helium, argon Combined Protection to realize welding in the welding process.
A kind of titanium or titanium alloy consumable electrode noble gas protective welding technique of the present invention, it is described according to the different suitable welding positions of welding operating mode environmental selection, and its concrete welding position comprises fixed downhand welding, vertical position welding, horizontal position welding, overhead welding.Vertical position welding comprises the normotopia vertical position welding, faces upward 30 ° of vertical position weldings, the 30 ° of vertical position weldings of bowing.If workpiece can vert, then adjust position while welding, preferentially implement downhand welding or vertical position welding; If workpiece must fixing not allow displacement, then select the weld procedure specification of relevant position according to the weld seam distributing position of concrete structure.
A kind of titanium or titanium alloy consumable electrode noble gas protective welding technique of the present invention; adopt high-purity argon gas or helium, argon Combined Protection to realize welding in its welding process; concrete helium and the argon gas preferably selected for use when the welding of angle welding is in (7～8): the ratio proportioning combination of (3～2) is protected, and protects throughput to adjust according to concrete welding protection needs more specifically.Under various welding positions and the joint form condition, concrete welding conditions and protective gas selection and flow parameter thereof are as shown in table 2.
Table 2 welding process standard and protective gas are selected and flow parameter
By taking above technical scheme, the beneficial effect that the present invention has is:
Titanium or titanium alloy welding of the present invention connects (being called for short MIG) technology; on titanium or titanium alloy large thin-wall complex structural member process technology; titanium or titanium alloy MIG Control Welding Process and correlation technique problem thereof have been solved; and the crucial difficult problem of titanium or titanium alloy MIG welding leap laboratory technique state; realized the through engineering approaches application of titanium or titanium alloy MIG welding; compare with common titanium or titanium alloy handwork tungsten electrode argon arc (being called for short TIG) welding; welding production efficiency has improved 1～3 times; unit energy input simultaneously reduces by 1/2～3/5, has improved the comprehensive quality of weld seam and welded unit greatly.
Description of drawings
Fig. 1 is the joint and the groove of band backing plate butt weld.
Fig. 2 is joint and a groove of not being with the backing plate butt weld.
Fig. 3 is the joint and the groove of T junction angle welding.
Fig. 4 is the joint and the groove of angle joint butt weld.
Fig. 5 is that butt weld is flat, horizontal, overhead welding welding process welding gun angle control schematic diagram.
Fig. 6 is that angle welding is flat, horizontal, overhead welding welding process welding gun angle control schematic diagram.
Fig. 7 is a butt weld vertical position welding welding process welding gun angle control schematic diagram.
Fig. 8 is an angle welding vertical position welding welding process welding gun angle control schematic diagram.
The specific embodiment
Use the consumable electrode noble gas protective welding technique of invention, having carried out thickness of slab is that 8mm+10mm, physical dimension are the welding of the TC4 titanium alloy deep-sea test framework of 3300mm * 3600mm * 4200mm, welding process adopts plug-type wire feeding mode, adopt the welding wire of the TC3 trade mark, mode of metal transfer is a spray transfer, welding arc is that pulse is switched mutually with continuous burning electric arc and combined, and finishes the welding of fixed downhand welding and two kinds of positions of horizontal position welding; Welding point is designed to the butt weld of T-shape joint angles weld seam and angle joint form.
The root face height h scope of groove is 0mm～4mm, and fit-up gap p scope is 0～5mm, and bevel angle α, β scope are 40-70 °.Joint and groove type are seen Fig. 3 and shown in Figure 4.
When manually the control welding gun was realized welding operation, the welding gun translational speed was stable, even, and Fig. 5, shown in Figure 6 is seen in the tilt angle theta of welding gun phase butt welded seam and the control of ω.
Adopt high-purity argon gas and helium, argon Combined Protection to realize welding in the welding process, wherein the angle welding welding selects for use helium and argon gas in (7～8): the ratio proportioning combination of (3～2) is protected.
Under two kinds of welding positions and the joint form condition, concrete solder technology parameter is as shown in table 3 below.
Table 3 embodiment 1 solder technology parameter list
Compare with conventional TIG welding, the distortion of framework postwelding structure collectivity is very little, and dimensionally stable is controlled, and production efficiency is improved significantly, and it is up to standard fully that weld seam is investigated index.
Embodiment 2
Use the consumable electrode noble gas protective welding technique of invention, having carried out thickness of slab is 4mm+16mm, long 1200mm, wide 750mm, the welding of the bilayer of high 400mm, bi-curved TA5 titanium alloy flow-guiding structure n-body simulation n body, welding process adopts plug-type wire feeding mode, adopt the welding wire of the TA4 trade mark, mode of metal transfer is that short circuit combines with spray transfer, and welding arc is that pulse is switched mutually with continuous burning electric arc and combined, and finishes the welding of fixed downhand welding, vertical position welding and three kinds of positions of horizontal position welding; Welding point is designed to be with backing plate butt weld and T-shape joint angles weld seam.
The root face height h scope of groove is 0mm～4mm, and fit-up gap p scope is 0～5mm, and bevel angle α, β scope are 40-70 °.Joint and groove type are seen Fig. 1 and shown in Figure 3.
When manually the control welding gun was realized welding operation, the welding gun translational speed was stable, even, and Fig. 5, Fig. 6 and shown in Figure 8 are seen in the tilt angle theta of welding gun phase butt welded seam and the control of ω.
Adopt high-purity argon gas and helium, argon Combined Protection to realize welding in the welding process, wherein the angle welding welding selects for use helium and argon gas in (7～8): the ratio proportioning combination of (3～2) is protected.
Under three kinds of welding positions and the joint form condition, concrete solder technology parameter is as shown in table 4.
Table 4 embodiment 2 solder technology parameter lists
Welding process is stable, and the mechanical property and the physical dimension of weld appearance quality, macroscopical metallographic, Non-Destructive Testing result, welding point have all reached the relevant criterion requirement.
Embodiment 3:
Use the consumable electrode noble gas protective welding technique of invention, travel configuration is of a size of the bilayer of 2000mm * 2200mm * 3300mm, the welding of hyperboloid TA5+TA2 titanium alloy flow-guiding structure body entity, welding process adopts plug-type wire feeding mode, adopt the welding wire of the TA4 and the TA2 trade mark respectively, mode of metal transfer is a spray transfer, welding arc is that pulse is switched mutually with continuous burning electric arc and combined, and finishes the welding of fixed downhand welding, vertical position welding, horizontal position welding and four kinds of positions of overhead welding; Welding point comprises the band backing plate and not with the butt weld of butt weld, T-shape joint angles weld seam and the angle joint form of backing plate.
The root face height h scope of groove is 0mm～4mm, and fit-up gap p scope is 0～5mm, and bevel angle α, β scope are 40-70 °.Joint and groove type are seen Fig. 1, Fig. 2, Fig. 3 and shown in Figure 4.
When manually the control welding gun was realized welding operation, the welding gun translational speed was stable, even, and Fig. 5, Fig. 6, Fig. 7, shown in Figure 8 are seen in the tilt angle theta of welding gun phase butt welded seam and the control of ω.
Adopt high-purity argon gas and helium, argon Combined Protection to realize welding in the welding process, wherein the angle welding welding selects for use helium and argon gas in (7～8): the ratio proportioning combination of (3～2) is protected.
Under four kinds of welding positions and the joint form condition, concrete solder technology parameter is as shown in table 5.
Table 5 embodiment 3 solder technology parameter lists
Compare with conventional TIG welding, flow-guiding structure body postwelding structural strain's is little, and physical dimension is stable, and weld appearance quality, Non-Destructive Testing result all reach the correlation technique requirement, and welding efficiency has improved more than 2 times.
Claims (2)
1. a titanium or titanium alloy welding connects method, it is characterized in that: described welding method comprises:
---welding manner: welding process manual operations, adopt plug-type wire feeding mode, mode of metal transfer is short circuit or spray transfer, welding arc is that pulse is switched mutually with continuous burning electric arc and combined, suitable according to different welding operating mode environmental selections then welding position and corresponding welding conditions thereof, its concrete welding position comprises fixed downhand welding, vertical position welding, horizontal position welding, overhead welding, and vertical position welding comprises the normotopia vertical position welding, faces upward 30 ° of vertical position weldings, the 30 ° of vertical position weldings of bowing; If workpiece can vert, then adjust position while welding, preferentially implement downhand welding or vertical position welding; If workpiece must fixing not allow displacement, then select the weld procedure specification of relevant position according to the weld seam distributing position of concrete structure;
---welding point form: welding point is designed to backing plate or not with the butt weld of backing plate butt weld, T-shape joint angles weld seam and angle joint form;
---bevel for welding design: welding point is the angle welding that the does not require through welding finished edge not of T-shape joint; Corresponding groove is all processed in butt weld for the various terminal form of through welding; The root face height h scope of groove is 0mm～4mm, and fit-up gap p scope is 0～5mm, and bevel angle α, β scope are 40-70 °;
--the operation of-welding gun: when manually controlling welding gun, the welding gun translational speed is stable, even; The tilt angle theta of welding gun phase butt welded seam and ω are when butt weld is welded, the welding gun angle θ of its downhand welding and ω are respectively 70-110 ° and 80-110 °, the welding gun angle θ of horizontal position welding and ω are respectively 70-110 ° and 70-100 °, the welding gun angle θ of vertical position welding and ω are respectively 50-100 ° and 80-110 °, and the welding gun angle θ of overhead welding and ω are respectively 70-120 ° and 80-110 °; During the angle welding welding, the welding gun angle θ of its downhand welding and ω are respectively 70-110 ° and 30-80 °, the welding gun angle θ of horizontal position welding and ω are respectively 70-110 ° and 30-60 °, the welding gun angle θ of vertical position welding and ω are respectively 50-100 ° and 30-80 °, and the welding gun angle θ of overhead welding and ω are respectively 70-120 ° and 30-60 °;
--the selection of-protective gas: adopt high-purity argon gas or helium, argon Combined Protection to realize welding in the welding process.
2. connect method according to the described titanium or titanium alloy welding of claim 1, it is characterized in that: select for use helium and argon gas in (7～8) during the welding of described angle welding: the ratio proportioning combination of (3～2) is protected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100641264A CN101462194B (en) | 2009-01-15 | 2009-01-15 | Titanium and titanium alloy consumable electrode noble gas protective welding technique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100641264A CN101462194B (en) | 2009-01-15 | 2009-01-15 | Titanium and titanium alloy consumable electrode noble gas protective welding technique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101462194A CN101462194A (en) | 2009-06-24 |
| CN101462194B true CN101462194B (en) | 2010-12-29 |
Family
ID=40803113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100641264A Active CN101462194B (en) | 2009-01-15 | 2009-01-15 | Titanium and titanium alloy consumable electrode noble gas protective welding technique |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101462194B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101758335B (en) * | 2009-10-21 | 2012-02-01 | 上海锅炉厂有限公司 | Improved heterogenous steel pipe mechanical welding butt joint divided edge |
| CN102489852A (en) * | 2011-11-15 | 2012-06-13 | 湖南湘投金天钛金属有限公司 | Plasma gas protection titanium plate welding process |
| CN102922158A (en) * | 2012-10-31 | 2013-02-13 | 南通港闸船舶制造有限公司 | Special ship welding method |
| CN104014912B (en) * | 2014-06-07 | 2016-02-17 | 中国人民解放军装甲兵工程学院 | The arc-welding of a kind of titanium or titanium alloy component increases material reproducing method |
| CN104191154A (en) * | 2014-07-25 | 2014-12-10 | 南京梅山冶金发展有限公司 | Repairing method for breakage of boosting compensating crank arm of Boomer-series tunneling trolley |
| CN106180985A (en) * | 2015-06-01 | 2016-12-07 | 郑州科源耐磨防腐工程有限公司 | A kind of titanium plate automatic tungsten anode argon arc welding technique |
| CN104874929B (en) * | 2015-06-12 | 2017-01-11 | 南京宝色股份公司 | Welding technique of industrial pure-Ti sheets with thickness of 11-30 mm |
| CN111001937B (en) * | 2019-12-03 | 2022-07-15 | 大庆石油管理局有限公司 | Laser-arc hybrid welding method for circumferential weld of oil and gas long-distance pipeline |
| CN113996885B (en) * | 2021-11-26 | 2022-11-04 | 西南交通大学 | Method for improving forming precision of electric arc additive manufacturing edge of thick-wall structural part |
| CN114178656A (en) * | 2021-12-03 | 2022-03-15 | 大连船舶重工集团有限公司 | Welding method for corrosion-resistant steel of crude oil tanker |
-
2009
- 2009-01-15 CN CN2009100641264A patent/CN101462194B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101462194A (en) | 2009-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101462194B (en) | Titanium and titanium alloy consumable electrode noble gas protective welding technique | |
| CN111496345A (en) | Method and device for manufacturing melting electrode electric arc and hot filler wire composite single-electric-arc twin-wire additive | |
| CN105458470A (en) | Material increase manufacturing method for titanium alloy shape part by using double-arc hybrid heat source | |
| CN102935556A (en) | Laser and MIG (metal-inert gas) arc composited welding method for high-nitrogen steel | |
| CN108907414B (en) | High-deposition-efficiency high-welding-speed double-tungsten-electrode TIG (tungsten inert gas) narrow-gap welding method | |
| CN101862886A (en) | Hot wire consumable electrode gas protection welding method and realization device thereof | |
| CN102814577B (en) | Three-dimensional distribution two-arc welding method | |
| Shi et al. | Pulsed double-electrode GMAW-brazing for joining of aluminum to steel | |
| CN104858554B (en) | A kind of plasma arc and double MIG carry out the welding torch being combined | |
| US20100012638A1 (en) | TIG Braze-Welding With Metal Transfer In Drops At A Controlled Frequency | |
| CN108581142B (en) | Ultrahigh-speed double-wire co-molten pool gas metal arc welding process | |
| CN106312270A (en) | Coaxial hollow tungsten electrode TIG device and welding gun thereof, using method and application | |
| CN107999962A (en) | A kind of method for laser welding of double CMT/ mariages CMT auxiliary | |
| CN113182647B (en) | Double-wire consumable electrode gas shielded welding method for dissimilar metal connection | |
| CN101590572A (en) | The vertical double-sided double-arc plasma symmetry welding method | |
| CN101434011B (en) | Middle-thickness magnesium alloy CO2 laser-MIG composite welding process | |
| CN104985303A (en) | InFocus-TOPTIG dual-arc hybrid welding method | |
| CN110497065B (en) | Variable-polarity three-wire gas-shielded indirect arc welding method and device and application thereof | |
| CN112743249A (en) | Method and system for stirring and strengthening welding seam of composite layer based on electric arc melting of base material | |
| CN102744499A (en) | Double-side double-arc welding process for root layer of pipeline | |
| CN115229194A (en) | Method for realizing connection of titanium steel medium plate by high-speed laser cladding additive CuNi alloy | |
| CN113427131A (en) | Pulse wire feeding method for laser-GMA electric arc composite heat source wire filling welding | |
| CN105269124A (en) | Fuse wire argon tungsten-arc welding method | |
| CN105215516B (en) | A kind of aluminum alloy TIG replaces complex welding method with MIG | |
| CN108544058B (en) | Efficient welding process for titanium and titanium alloy sheets |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |