SU253974A1 - METHOD OF ARC WELD IN THE ENVIRONMENT OF PROTECTIVE GASES - Google Patents
METHOD OF ARC WELD IN THE ENVIRONMENT OF PROTECTIVE GASESInfo
- Publication number
- SU253974A1 SU253974A1 SU1234864A SU1234864A SU253974A1 SU 253974 A1 SU253974 A1 SU 253974A1 SU 1234864 A SU1234864 A SU 1234864A SU 1234864 A SU1234864 A SU 1234864A SU 253974 A1 SU253974 A1 SU 253974A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- electrode
- environment
- welding
- arc
- arc weld
- Prior art date
Links
- 230000001681 protective Effects 0.000 title description 3
- 239000007789 gas Substances 0.000 title 1
- 238000003466 welding Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003534 oscillatory Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001340 slower Effects 0.000 description 1
Description
Изобретение относитс к области сварки.This invention relates to the field of welding.
Известен способ дуговой сварки в среде защитных газов, при котором поперечные колебани осуществл ют прерывисто с несколькими остановками при дв-ижении электрода от кромки к кромке.A known method of arc welding in a protective gas environment, in which the transverse oscillations are carried out intermittently with several stops when the electrode is twisted from edge to edge.
Ввиду остановок при движении электрода от кромки К кромке процесс сварки в известном способе замедл етс .In view of the stops when the electrode moves from the edge To the edge, the welding process in the known method slows down.
Предложенный способ отличаетс от известного тем, что при изменении направлени поперечного перемещени электрода создают импульс сварочного тока.The proposed method differs from the known one in that when the direction of the transverse displacement of the electrode is changed, a pulse of welding current is generated.
Это позвол ет повысить .производительность процесса сварки.This makes it possible to increase the productivity of the welding process.
Данный способ иллюстрируетс чертежом. На фиг. 1 изображено свариваемое изделие и электрод; на фиг. 2 - разрез по А-А на фиг. 1; на фиг. 3 - крива зависимости сварочного тока от траектории перемещени электрода и дуги.This method is illustrated in the drawing. FIG. 1 shows the product to be welded and the electrode; in fig. 2 is a section along A-A in FIG. one; in fig. 3 shows the dependence of the welding current on the path of the electrode and the arc.
В процессе сварки издели / электрод 2 перемещают относительно кромок, при этом он совершает одновременно поступательное и колебательное движени .In the process of welding, the product / electrode 2 is moved relative to the edges, while it performs simultaneous translational and oscillatory movements.
Обща траектори перемещени электрода и дуги, гор щей между ним и изделием, обозначена линией 3.The total path of the electrode and the arc between it and the product is indicated by line 3.
При изменении на-правлени поперечного перемещени электрода при под.ходе к кромке свариваемых деталей создают пиковое увеличение сварочного тока до значени /2When changing the direction of the transverse displacement of the electrode, when approaching the edge of the welded parts, a peak increase in the welding current to the value of / 2
против тока 1, соответствующего про.чождению дугой средней части ширины шва.against current 1 corresponding to the arc of the middle part of the seam width.
Такое ;1змене1;ие тока при под.ходе дуги к кромкам издели соответствует увеличенному теплоотводу в стенки издели и обеспечиваетSuch; 1; changing; 1; the current, when the arc approaches the edges of the product, corresponds to an increased heat sink to the walls of the product and provides
полный провар кромок, а также благопри тное формирование сло с плавным переходом от стенки разделки к наплавленному металлу . Практические значени тока 1 и /з, а также скорость нарастани и снижени его устанавливают при отработке режимов сварки в зависимости от материала и толщины свариваемых деталей и их пространственного положени и т. д.full penetration of the edges, as well as the favorable formation of a layer with a smooth transition from the groove wall to the weld metal. Practical values of current 1 and / 3, as well as the rate of increase and decrease, are established when working out the welding conditions depending on the material and thickness of the parts to be welded and their spatial position, etc.
П р е д м е т и 3 о б р е т е и и PREDIMET and 3 obrete and and
Способ дуговой сварки в среде защитных газов с поперечными колебани ми электрода от кромки к кромке, отличающийс тем, что, с целью повышени производительности процесса сварки, при изменении направле}П поперечного перемещени электрода создают импульс сварочного тока.The method of arc welding in protective gas with transverse oscillations of the electrode from edge to edge, characterized in that, in order to improve the performance of the welding process, when the direction of the transverse movement of the electrode is changed, a pulse of welding current is generated.
A-f A-f
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Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU253974A1 true SU253974A1 (en) |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4151395A (en) * | 1976-07-06 | 1979-04-24 | CRC-Crose, International, Inc. | Method and apparatus for electric arc and analogous welding under precision control |
| US4177373A (en) * | 1977-08-03 | 1979-12-04 | The Research Council Of Alberta | Oscillating arc welding |
| US4350868A (en) * | 1975-07-14 | 1982-09-21 | Matsushita Electric Industrial Co., Ltd. | Follow-up control apparatus for controlling the movement of a welding weaving device |
| US4380695A (en) * | 1976-07-06 | 1983-04-19 | Crutcher Resources Corporation | Control of torch position and travel in automatic welding |
| US4495400A (en) * | 1982-04-26 | 1985-01-22 | Crutcher Resources Corporation | Method and apparatus for positioning a welding torch in automatic electric welding |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4350868A (en) * | 1975-07-14 | 1982-09-21 | Matsushita Electric Industrial Co., Ltd. | Follow-up control apparatus for controlling the movement of a welding weaving device |
| US4151395A (en) * | 1976-07-06 | 1979-04-24 | CRC-Crose, International, Inc. | Method and apparatus for electric arc and analogous welding under precision control |
| US4380695A (en) * | 1976-07-06 | 1983-04-19 | Crutcher Resources Corporation | Control of torch position and travel in automatic welding |
| US4177373A (en) * | 1977-08-03 | 1979-12-04 | The Research Council Of Alberta | Oscillating arc welding |
| US4495400A (en) * | 1982-04-26 | 1985-01-22 | Crutcher Resources Corporation | Method and apparatus for positioning a welding torch in automatic electric welding |
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