CN107552926A - A kind of H steel web submerged arc welding full penetration method - Google Patents
A kind of H steel web submerged arc welding full penetration method Download PDFInfo
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- CN107552926A CN107552926A CN201710790542.7A CN201710790542A CN107552926A CN 107552926 A CN107552926 A CN 107552926A CN 201710790542 A CN201710790542 A CN 201710790542A CN 107552926 A CN107552926 A CN 107552926A
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Abstract
The purpose of the present invention is a kind of H steel web submerged arc welding full penetration method, and the method and step of its submerged arc welding is：(1) blank material prepares, prepare the H steel webs that steel web thickness is 20mm, (2) the H steel webs after the completion of cleaning are opened to 32 ° of groove, (3) H steel web groove welding is handled, by the groove of H steel webs upward, and it is horizontal plus cry for 17 ° when submerged-arc welding filling carried out to the groove of H steel webs by welding wire welded, and the reverse side position of welding groove is welded by welding wire, to improve production efficiency, reduce weld interval, ensure qualification rate during flaw detection, simultaneously vertical by the group before being welded to web bevel is to make contravariant type to handle, flange plate angular deformation after welding can effectively be avoided, improve welding quality, improve solder yield.
Description
Technical field
Field in terms of the present invention relates to the processing of welded steel, it is mainly concerned with the web groove submerged-arc welding side of H steel webs
Improvement and design in terms of method, especially when be related to a kind of H steel web submerged arc welding full penetration method.
Background technology
With the raising of industrial level, become particularly important in terms of welding of the people for steel, it is substantial amounts of at this stage firm
Ability demand, enter on the rhythm of integrated big production and produced in batches on a large scale substantially, especially in H steel webs
Bevel welding in terms of, general H steel web thickness 20mm, but in conventional web bevel welding using gas shield welding
Bottoming, filling, back root cleaning efficiency is low, and gas shield welding is operating personnel's manual welding, and several factors can influence to weld matter
Amount, flaw detection qualification rate also can only achieve 70% or so, it is impossible to ensure that all flaw detection is qualified.
Therefore it provides a kind of H steel web submerged arc welding full penetration method, by entering to the bevelled welding method of web
Row is improved, and conventional gas shield welding bottoming is changed into submerged-arc welding bottoming and filling, to improve production efficiency, is reduced weld interval, is protected
Qualification rate during card flaw detection, while vertical by the group before being welded to web bevel is to make contravariant type to handle, and can effectively be kept away
Flange plate angular deformation after no-welding, welding quality is improved, improve solder yield, reduced production cost, just turn into this area skill
The problem of art personnel's urgent need to resolve.
The content of the invention
It is an object of the invention to provide a kind of H steel web submerged arc welding full penetration method, by bevelled to web
Welding method is improved, and conventional gas shield welding bottoming is changed into submerged-arc welding bottoming and filling, to improve production efficiency, reduces weldering
The time is connect, ensures qualification rate during flaw detection, while vertical by the group before being welded to web bevel is to make contravariant type to handle, can
Effective flange plate angular deformation after avoiding welding, improves welding quality, improves solder yield, reduce production cost.
To solve technical problem described in background technology, the present invention uses following technical scheme：
A kind of H steel web submerged arc welding full penetration method, the method and step of its submerged arc welding are：
(1) blank material prepares, and prepares the H steel webs that steel web thickness is 20mm, and the surface of H steel webs is carried out
Handled by polish preliminary cleaning of emery disc, and time control of polishing is in 1-3min；
(2) the H steel webs after the completion of cleaning are opened to 32 ° of groove, groove width 10mm, groove depth 16mm, and
4mm root face is stayed on groove, then carries out tack welding processing in the reverse side of H steel web grooves；
(3) H steel web groove welding is handled, by the groove of H steel webs upward, and it is horizontal plus cry and pass through welding wire when being 17 °
Submerged-arc welding filling welding is carried out to the groove of H steel webs, H steel webs are overturn after the completion of groove welding, then adjust H steel
The level angle of web is 45 °, and the reverse side position of welding groove is welded by welding wire.
Preferably, the length that tack welding during tack welding is carried out in described step 2 is 30-40mm, and tack welding spacing is
600-800mm, tack welding leg are 4mm.
Preferably, described step 3 carries out needing to do H steel the processing of contravariant type during H steel web groove weldings, by H steel
Groove face is that H steel section increases 10mm, can effectively avoid flange plate angular deformation after welding, improve welding quality.
Preferably, after being welded in described step 3 part welding slag not easy-clear when carried out by the way of pneumatic shovel removing it is clear
Except welding slag, never allow to use watering or remove again after pouring oil to cut slag, prevent weld surface from slight crack occur, improve welding effect
Fruit.
Preferably, welding wire vertical direction in described step 3 is placed and H steel web grooves is welded, and welds during welding
Silk is at the uniform velocity welded, and speed is 10-12cm/min, by being controlled to the speed of welding of welding wire, can effectively be carried
The uniformity of height welding.
Preferably, after the completion of being welded in described step 3 to H steel full penetration weld, welded by ship type to H steel web grooves
Carry out capping.
The beneficial effects of the invention are as follows：
1) conventional gas shield welding bottoming, is changed to submerged-arc welding bottoming and filling, to improve production efficiency, when reducing welding
Between, ensure qualification rate during flaw detection.
2) it is to make contravariant type to handle while by the group before being welded to web bevel to stand, and can effectively avoid welding
Flange plate angular deformation afterwards, welding quality is improved, improve solder yield.
Embodiment
In order that those skilled in the art more fully understands technical scheme, make below in conjunction with to the present invention
Further it is discussed in detail.
A kind of H steel web submerged arc welding full penetration method, the method and step of its submerged arc welding are：
(1) blank material prepares, and prepares the H steel webs that steel web thickness is 20mm, and the surface of H steel webs is carried out
Handled by polish preliminary cleaning of emery disc, and time control of polishing is in 1min；
(2) the H steel webs after the completion of cleaning are opened to 32 ° of groove, groove width 10mm, groove depth 16mm, and
4mm root face is stayed on groove, then carries out tack welding processing in the reverse side of H steel web grooves；
(3) H steel web groove welding is handled, by the groove of H steel webs upward, and it is horizontal plus cry and pass through welding wire when being 17 °
Submerged-arc welding filling welding is carried out to the groove of H steel webs, H steel webs are overturn after the completion of groove welding, then adjust H steel
The level angle of web is 45 °, and the reverse side position of welding groove is welded by welding wire.
Further, the length that tack welding during tack welding is carried out in described step 2 is 40mm, and tack welding spacing is
800mm, tack welding leg are 4mm.
Further, described step 3 carries out needing to do H steel the processing of contravariant type during H steel web groove weldings, by H steel
Groove face for H steel section increase 10mm, can effectively avoid welding after flange plate angular deformation, improve welding quality.
Further, in described step 3 weld after part welding slag not easy-clear when using pneumatic shovel removing by the way of carry out
Welding slag is removed, never allows to use watering or remove again after pouring oil to cut slag, prevents weld surface from slight crack occur, improve welding
Effect.
Further, welding wire vertical direction in described step 3 is placed and H steel web grooves is welded, during welding
Welding wire is at the uniform velocity welded, and speed is 12cm/min, by being controlled to the speed of welding of welding wire, can effectively be improved
The uniformity of welding.
Further, after the completion of being welded in described step 3 to H steel full penetration weld, welded by ship type to H steel webs slope
Mouth carries out capping.
Implement to prove, using this data, conventional gas shield welding bottoming is changed to submerged-arc welding bottoming and filling, to improve production
Efficiency, weld interval is reduced, ensure qualification rate during flaw detection, solder yield can be made to improve 90-97% percent.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, foregoing description is inherently illustrative, and should not be construed as will to right of the present invention
Ask the limitation of protection domain.
Claims (6)
- A kind of 1. H steel web submerged arc welding full penetration method, it is characterised in that the method and step of its submerged arc welding is：(1) blank material prepares, and prepares steel web thickness and is 20mm H steel webs, and the surface of H steel webs is passed through The preliminary cleaning processing of emery disc polishing, and time control of polishing is in 1-3min；(2) the H steel webs after the completion of cleaning are opened to 32 ° of groove, groove width 10mm, groove depth 16mm, and groove On stay 4mm root face, then carry out tack welding processing in the reverse side of H steel web grooves；(3) H steel web groove welding is handled, by the groove of H steel webs upward, and it is horizontal plus cry when being 17 ° by welding wire to H steel The groove of web carries out submerged-arc welding filling welding, overturns H steel webs after the completion of groove welding, then adjusts H steel webs Level angle be 45 °, and the reverse side position of welding groove is welded by welding wire.
- A kind of 2. H steel web submerged arc welding full penetration method according to claim 1, it is characterised in that described step The length that tack welding during tack welding is carried out in rapid 2 is 30-40mm, and tack welding spacing is 600-800mm, and tack welding leg is 4mm.
- A kind of 3. H steel web submerged arc welding full penetration method according to claim 1, it is characterised in that described step Need to do H steel the processing of contravariant type during rapid 3 progress H steel web groove weldings, be that H steel section increases 10mm by the groove face of H steel.
- A kind of 4. H steel web submerged arc welding full penetration method according to claim 1, it is characterised in that described step In rapid 3 weld after part welding slag not easy-clear when using pneumatic shovel removing by the way of be purged welding slag.
- A kind of 5. H steel web submerged arc welding full penetration method according to claim 1, it is characterised in that described step Welding wire vertical direction in rapid 3 is placed and H steel web grooves is welded, and welding wire is at the uniform velocity welded during welding, and speed is 10—12cm/min。
- A kind of 6. H steel web submerged arc welding full penetration method according to claim 1, it is characterised in that described step After the completion of being welded in rapid 3 to H steel full penetration weld, capping is carried out to H steel webs groove by the weldering of ship type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710790542.7A CN107552926A (en) | 2017-09-05 | 2017-09-05 | A kind of H steel web submerged arc welding full penetration method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710790542.7A CN107552926A (en) | 2017-09-05 | 2017-09-05 | A kind of H steel web submerged arc welding full penetration method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52740A (en) * | 1975-06-24 | 1977-01-06 | Nippon Kokan Kk | Method of welding construction |
| JPS5246176B2 (en) * | 1973-02-02 | 1977-11-22 | ||
| CN103785934A (en) * | 2014-03-03 | 2014-05-14 | 山东电力建设第二工程公司 | Thin-plate H-type steel and main angular welding joint full penetration welding method in full penetration welding process |
| CN104227182A (en) * | 2014-09-01 | 2014-12-24 | 湖北源盛钢构有限公司 | Process for molding I-steel main welding seam non-back chipping full-penetration I-level component |
| CN105710497A (en) * | 2014-12-03 | 2016-06-29 | 重庆业高家具有限公司 | Splicing technology of H-shaped steel |
| CN105834561A (en) * | 2016-06-06 | 2016-08-10 | 中建钢构有限公司 | Method for back-chipping-free full penetration weld of H-shaped steel |
| CN106695065A (en) * | 2016-12-30 | 2017-05-24 | 上海沪临重工有限公司 | T-shaped plate one-side welding pulse bottoming welding method |
-
2017
- 2017-09-05 CN CN201710790542.7A patent/CN107552926A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5246176B2 (en) * | 1973-02-02 | 1977-11-22 | ||
| JPS52740A (en) * | 1975-06-24 | 1977-01-06 | Nippon Kokan Kk | Method of welding construction |
| CN103785934A (en) * | 2014-03-03 | 2014-05-14 | 山东电力建设第二工程公司 | Thin-plate H-type steel and main angular welding joint full penetration welding method in full penetration welding process |
| CN104227182A (en) * | 2014-09-01 | 2014-12-24 | 湖北源盛钢构有限公司 | Process for molding I-steel main welding seam non-back chipping full-penetration I-level component |
| CN105710497A (en) * | 2014-12-03 | 2016-06-29 | 重庆业高家具有限公司 | Splicing technology of H-shaped steel |
| CN105834561A (en) * | 2016-06-06 | 2016-08-10 | 中建钢构有限公司 | Method for back-chipping-free full penetration weld of H-shaped steel |
| CN106695065A (en) * | 2016-12-30 | 2017-05-24 | 上海沪临重工有限公司 | T-shaped plate one-side welding pulse bottoming welding method |
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Application publication date: 20180109 |