CN106513464A - Device and method for long strip flat iron deformation correction by flames - Google Patents
Device and method for long strip flat iron deformation correction by flames Download PDFInfo
- Publication number
- CN106513464A CN106513464A CN201611184667.7A CN201611184667A CN106513464A CN 106513464 A CN106513464 A CN 106513464A CN 201611184667 A CN201611184667 A CN 201611184667A CN 106513464 A CN106513464 A CN 106513464A
- Authority
- CN
- China
- Prior art keywords
- band iron
- strip band
- exerting
- firer
- fixture
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
- B21D3/10—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts between rams and anvils or abutments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention provides a device for long strip flat iron deformation correction by flames. The device comprises a flame worktable, a plurality of pressure applying devices and at least two fixed pieces. The pressure applying devices are arranged on the flame worktable. The fixed pieces are mounted on the flame worktable. A channel used for placing long strip flat iron is formed between the pressure applying devices and the fixed pieces. According to the device for long strip flat iron deformation correction by flames, the deformation correction of the straightness of the thin and long flat iron can be completed, efficiency is high, and time and cost are saved. The invention also relates to a method for long strip flat iron deformation correction by flames, and the method has high efficiency and a simple process.
Description
Technical field
The present invention relates to a kind of device and method for strip band iron plate fairing by hot working.
Background technology
For maritime platform, inside its column type spud leg, strip flat iron structure is more, the length of this strip band iron
The more general flat iron structure of longer and thickness will thickness.It is in the blanking stage, during band iron beveling and cutting is opened up, past because of cutting quantity greatly
Toward buckling modification can occur, to guarantee that band iron linearity, groove need to carry out plate fairing by hot working to band iron linearity after opening up,
As band iron thickness of slab is thicker, if only relying on the mode of plate fairing by hot working, need to apply heating for multiple times, with the increasing of number of times of warming oneself by a fire
Plus, the original material of steel plate and mechanical property can be changed, while being also difficult to reach the required precision of expected correction;If in heating
During apply external force auxiliary plate fairing by hot working, as band iron length is more elongated, need to install multiple fixing points band iron is carried out it is solid
It is fixed, while when by external force top pressure, being easily caused the platform displacement in firer's station region, it is impossible to apply too big outer masterpiece
With, it is impossible to correction purpose is reached very well, and whole plate fairing by hot working process efficiency is extremely low.
The content of the invention
To solve above-mentioned technical problem, it is an object of the invention to provide a kind of dress for strip band iron plate fairing by hot working
Put, the device for being used for strip band iron plate fairing by hot working can complete the correction of the linearity to elongated band iron, and efficiency high, save
Make an appointment and cost.
It is corresponding in this, it is to solve above-mentioned technical problem, further object is that providing a kind of strip band iron fire
The method of work correction, the method for the strip band iron plate fairing by hot working can be efficiently completed the correction of strip band iron, and process letter
It is single.
Based on this, the present invention proposes a kind of device for strip band iron plate fairing by hot working includes firer's workbench, some
Device for exerting and at least two fixtures, the device for exerting are arranged on firer's workbench, and each fixture is installed
On firer's workbench, the passage for placing strip band iron between the device for exerting and the fixture, is formed.
Optionally, fixture described in each two is correspondingly arranged a device for exerting, and the fixture and described applies
Pressure device is divided into the both sides of the passage.
Optionally, using through the device for exerting and the plane perpendicular with the passage is used as reference plane, with the pressure
Two corresponding fixtures of device are symmetrical with regard to the reference plane.
Further, each device for exerting is spacedly distributed along the length direction of the passage.
Optionally, the fixture includes fixed part and location division, and the location division is connected with the fixed part, described
Firer's workbench is provided with multiple installing holes, and the fixed part is inserted in the installing hole, and the location division is arranged at the fire
On work workbench.
Optionally, the fixture is followed closely for Cornu Caprae seu Oviss.
Optionally, firer's workbench includes at least two firer's platforms, between two adjacent firer's platforms
It is connected by connector.
Optionally, the connector is flat nail, and two ends of the flat nail are inserted in adjacent two fire respectively
In the installing hole of work platform.
Optionally, the device for exerting is jack, and each fixture is divided into two sides of the jack, institute
Formed for placing length between the fixture set by first side of the first end and the jack of stating jack
The first passage of bar band iron, the fixture set by the second side of the second end of the jack and the jack
Between formed for placing the second channel of strip band iron.
To achieve these goals, present invention also offers a kind of method for strip band iron plate fairing by hot working, including with
Lower step:
(1) device for exerting is separately positioned on firer's workbench, and between device for exerting and fixture with each fixture
Form the passage for placing strip band iron;
(2) strip band iron is placed in the passage that fixture is formed with device for exerting, and the convex portion that strip band iron is bent
Place towards device for exerting;
(3) strip band iron is corrected by the active force of the device for exerting under the conditions of firer.
Implement the embodiment of the present invention, have the advantages that:
The device for strip band iron plate fairing by hot working of the present invention includes firer's workbench, some device for exerting and at least two
Individual fixture, the device for exerting are arranged on firer's workbench, while plate fairing by hot working, can be carried for strip band iron
For enough active forces, shortening makes strip band iron recover the time of linearity, improves the precision of linearity correction;Each fixation
Part is installed on firer's workbench, and the passage for placing strip band iron is formed between the device for exerting and the fixture,
The fixture can avoid strip band iron from shifting in the active force by device for exerting, it is ensured that strip band iron is corrected
Accuracy;The simple structure of whole device, it is easy to use, and the input of manpower can be reduced, reduce applying for work personnel
Work intensity.
Further, when the device for exerting is fixedly installed on firer's workbench, can avoid flat to strip
Ferrum carries out plate fairing by hot working while during by external force top pressure, excessive external force causes the displacement of firer's platform on firer's station, improves
The efficiency of correcting process;The device for exerting is jack, and each fixture is divided into two sides of the jack, institute
Formed for placing length between the fixture set by first side of the first end and the jack of stating jack
The first passage of bar band iron, the fixture set by the second side of the second end of the jack and the jack
Between formed for placing the second channel of strip band iron, can complete long to two simultaneously by the bi-directional force of jack
The linearity correction of bar band iron, improves work efficiency;Firer's workbench is provided with multiple installing holes, and fixture is directly mounted at
In the installing hole, process is simple and positions conveniently;Firer's workbench is made up of at least two firer's platforms, and adjacent two
It is fixed together by connector between individual firer's platform, is prevented from rectifying strip band iron applying external force
Timing, the displacement of two firer's platforms, it is ensured that the work quality of plate fairing by hot working.
The device for strip band iron plate fairing by hot working of the present invention is related to a kind of strip band iron plate fairing by hot working method, the method
It is that first device for exerting is separately positioned on firer's workbench with each fixture, and between device for exerting and fixture, forms placement
The passage of strip band iron;Strip band iron is placed in the passage that fixture is formed with device for exerting, and strip band iron is bent
Place towards device for exerting convex portion;Strip band iron is corrected by the active force of the device for exerting under the conditions of firer.
Strip band iron carries out the correction of linearity by the strip band iron section flame straightening device, and process is simple, high working efficiency, processing
Time is short, and can save man power and material.
Description of the drawings
Fig. 1 is the overlooking the structure diagram of the device for strip band iron plate fairing by hot working described in the present embodiment one;
Fig. 2 is the cross-sectional view in Fig. 1 at A-A;
Fig. 3 is the overlooking the structure diagram of the device for strip band iron plate fairing by hot working described in the present embodiment two;
Fig. 4 is the cross-sectional view in Fig. 2 at B-B.
Description of reference numerals:
1st, firer's workbench, 2, device for exerting, 3, fixture, 31, location division, 32, fixed part, 4, installing hole, 5, connection
Part, 6, strip band iron, 7, firer's platform, 8, keeper.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Embodiment one
Referring to Fig. 1 and Fig. 2, the device for strip band iron plate fairing by hot working of this preferred embodiment includes firer's workbench 1,
Device for exerting 2 and two fixtures 3, the device for exerting 2 are arranged on firer's workbench 1, and each fixture 3 is installed on fire
On work workbench 1, the passage for placing strip band iron 6 between device for exerting 2 and fixture 3, is formed.
Based on above structure, firer is being carried out to strip band iron 6 compared with timing, strip band iron 6 is being placed on into firer's workbench 1
Passage in, the convex portion of strip band iron 6 is placed towards device for exerting 2, device for exerting 2 to strip band iron 6 apply active force, can
Accelerate the modification under heating condition of strip band iron 6, improve speed, shorten the improvement time;The side of strip band iron 6 is provided with pressure
Device 2, the opposite side of strip band iron 6 are provided with fixture 3, and fixture 3 is arranged in position of the strip band iron 1 near two ends, energy
It is enough strip band iron 6 to be applied when active force is corrected to be fixed strip band iron 6 in device for exerting 2, it is to avoid strip band iron 6
Position shift, it is ensured that the precision corrected by the linearity of strip band iron 6, the quality that improving product is completed.
Wherein, each two fixture 3 is correspondingly arranged a device for exerting 2, and fixture 3 and device for exerting 2 be divided into it is logical
The both sides in road, ensure that the uniform force of the whole strip band iron of device for exerting 2 pairs 6, make the linearity of strip band iron 6 more smart
Really;So that through device for exerting 6 and the plane perpendicular with passage is used as reference plane, each fixture 3 is symmetrical with regard to the reference plane
Distribution, position of the reasonable distribution fixture 3 on firer's work platformses 1 ensure that strip band iron 6 in whole correcting process
Stationarity, improve work quality;The device for exerting 2 is jack, the first end of jack and the first end of jack
Formed between fixture 3 set by side for placing the passage of strip band iron 6, the second end of jack is provided with keeper 8,
The keeper 8 can be fixed to jack, and the active force being applied on strip band iron 6 is provided for jack;This enforcement
A device for exerting 2 is provided only with example, but in other embodiments, the quantity of device for exerting 2 is not limited, should be according to need
Select suitable quantity, and each device for exerting 2 be spacedly distributed along the length direction of the passage, increase strip band iron 6
On overall stress, can be good at reaching the purpose of correction, obtain the efficiency of the correcting process on whole firer's workbench 1
Lifted.
Referring to Fig. 2, the fixture 3 includes location division 31 and fixed part 32, and location division 31 is connected with fixed part 32, fire
Work platform is provided with multiple installing holes 4, and fixed part 32 is inserted in installing hole 4, and fixture 3 is installed and fixed, positioning
Portion 31 is arranged on firer's workbench, and the side of strip band iron 6 contacts, and the strip band iron of outside skew is positioned,
Ensure the reliability of correcting process.
It should be noted that in the present embodiment, device for exerting 2 uses jack, can provide for strip band iron 6
External force, fixture 3 are followed closely for Cornu Caprae seu Oviss, the fixation that can be more consolidated to strip band iron 6, and keeper 8 is also followed closely for Cornu Caprae seu Oviss, makes to apply
The fixation of pressure device 2 is relatively reliable, but in the middle of other embodiment, the selection of device for exerting 2 and fixture 3 is not by this this limit
System, when can select to make suitable selection, as long as strip band iron 6 can be imposed external force and be prevented from strip as required
Band iron 6 shifts.
In order to describe in detail using the present invention the device for strip band iron plate fairing by hot working carry out strip band iron firer rectify
Positive method, referring to Fig. 1 and Fig. 2, comprises the following steps that:
(S1) first device for exerting 2 is separately positioned on firer's workbench 1 with each fixture 3, and device for exerting 2 and fixation
The passage for placing strip band iron 6 is formed between part 3;
(S2) strip band iron 6 is placed on firer's workbench 1, the passage being placed between device for exerting 2 and fixture 3
It is interior, and strip band iron 6 bending convex portion placed towards device for exerting 2;
(S3) it is overall to the strip band iron 6 on firer's workbench 1 to heat, after eliminating the internal stress of strip band iron 6, lead to
Cross device for exerting 2 and external force is applied to strip band iron 6;
(S4) side of strip band iron 6 is subject to the active force of device for exerting 2, opposite side pair of the fixture 3 in strip band iron 6
Which is fixed, and prevents its position from shifting;
(S5) active force of device for exerting 2 accelerates the modification speed of strip band iron 6, and completes the correction of its linearity,
And correction accuracy and work efficiency have been lifted.
Embodiment two
Referring to Fig. 3 and Fig. 4, the present embodiment is that firer's workbench 1 includes four firer's platforms with the difference of embodiment one
7, it is connected by connector 5 between two adjacent firer's platforms 7, it is ensured that when applying external force to strip band iron 6, firer's platform
Will not be moved between 7;Connector 5 is provided with two ends, and the two ends are inserted in adjacent two firer platform 7 respectively
Installing hole 4 in, it is easy for installation, and being reliably connected between two firer's platforms 7 can be realized.In this embodiment, fire
The quantity of work platform 7 is four, but the quantity of firer's platform 7 is not limited thereto, when length and reality according to strip band iron 6
The needs in place select suitable quantity.It is pointed out that the connected mode of firer's platform 7 is connected by connector 5
Connect, the selection of connector 5 can be flat nail, may also be other devices that can be fixedly connected firer's platform 7.
The device for exerting 2 is jack, and each fixture 3 is divided into two sides of the jack, the jack
First end and the jack the first side set by the fixture 3 between formed for placing strip band iron 6
First passage, between the fixture 3 set by the second side of the second end of the jack and the jack
Formed for placing the second channel of strip band iron 6.Strip band iron 6 is individually positioned on first passage and second channel, very heavy
Push up to the strip band iron 6 for being individually positioned in first passage and second channel while applying active force, completes to two strip band irons 6
Correction, improve work efficiency in process, in addition, the input of personnel in whole correcting process, can be reduced, carry
Personnel's efficiency of construction is risen, it is cost-effective.In addition to above-mentioned difference, the structure of the present embodiment fixture 3, device for exerting 2 and fixture 3
The other structures such as relative arrangement with it is consistent in embodiment one, corresponding effect and principle it is also consistent, no longer go to live in the household of one's in-laws on getting married herein
State.
In order to describe in detail using the present invention the device for strip band iron plate fairing by hot working carry out strip band iron firer rectify
Positive method, referring to Fig. 3 and Fig. 4, the difference of concrete steps and embodiment one is:Two strip band irons 6 need to be respectively placed in
Symmetrically placed in first passage and second channel, the bending direction of two strip band irons 6 is arranged on the contrary, i.e. ") (" shape, this
Multiple device for exerting 2 are placed between two strip band irons 6, is pressed to two strip band irons 6 from device for exerting 2 simultaneously, is carried
High workload efficiency.Other steps with it is consistent in embodiment one, corresponding effect and principle are also consistent, and here is omitted.
The device for strip band iron plate fairing by hot working of the present invention includes firer's workbench, some device for exerting and extremely
Few two fixtures, the device for exerting are arranged on firer's workbench, while plate fairing by hot working, can be flat for strip
Ferrum provides enough active forces, and shortening makes strip band iron recover the time of linearity, improves the precision of linearity correction;It is each described
Fixture is installed on firer's workbench, is formed and place the logical of strip band iron between the device for exerting and the fixture
Road, the fixture can avoid strip band iron from shifting in the top lift by device for exerting, it is ensured that to strip band iron
The accuracy of correction;The simple structure of whole device, it is easy to use, and the input of manpower can be reduced, reduce work personnel
Construction intensity.The device for strip band iron plate fairing by hot working of the present invention is related to a kind of method of strip band iron plate fairing by hot working,
The method process is simple and efficiency is higher in completing correcting process.
It should be appreciated that adopting term " first ", " second " etc. to describe various information, but these information in the present invention
These terms are should not necessarily be limited by, these terms are only for same type of information is distinguished from each other out.For example, without departing from the present invention
In the case of scope, " first " information can also be referred to as " second " information, similar, and " second " information can also be referred to as
" first " information.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, under the premise without departing from the principles of the invention, some improvement and deformation can also be made, these improve and deformation is also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of device for strip band iron plate fairing by hot working, it is characterised in that including firer's workbench, some device for exerting and
At least two fixtures, the device for exerting are arranged on firer's workbench, and each fixture is installed on the firer
On workbench, the passage for placing strip band iron between the device for exerting and the fixture, is formed.
2. the device for strip band iron plate fairing by hot working according to claim 1, it is characterised in that fixed described in each two
Part is correspondingly arranged a device for exerting, and the fixture and the device for exerting are divided into the both sides of the passage.
3. the device for strip band iron plate fairing by hot working according to claim 2, it is characterised in that with through the pressure
Device and the plane perpendicular with the passage as reference plane, two fixtures corresponding with the device for exerting with regard to
The reference plane is symmetrical.
4. the device for strip band iron plate fairing by hot working according to claim 3, it is characterised in that each device for exerting
Length direction along the passage is spacedly distributed.
5. the device for strip band iron plate fairing by hot working according to any one of Claims 1-4, it is characterised in that described
Fixture includes fixed part and location division, and the location division is connected with the fixed part, and firer's workbench is provided with many
Individual installing hole, the fixed part are inserted in the installing hole, and the location division is arranged on firer's workbench.
6. the device for strip band iron plate fairing by hot working according to claim 5, it is characterised in that the fixture is sheep
Brad.
7. the device for strip band iron plate fairing by hot working according to claim 5, it is characterised in that firer's workbench
Including at least two firer's platforms, it is connected by connector between two adjacent firer's platforms.
8. the device for strip band iron plate fairing by hot working according to claim 7, it is characterised in that the connector is code
Nail, two ends of the flat nail are inserted in the installing hole of adjacent two firer's platform respectively.
9. the device for strip band iron plate fairing by hot working according to any one of Claims 1-4, it is characterised in that described
Device for exerting is jack, and each fixture is divided into two sides of the jack, the first end of the jack
Formed between the fixture set by the first side of the jack for placing the first passage of strip band iron, institute
Formed for placing length between the fixture set by second side of the second end and the jack of stating jack
The second channel of bar band iron.
10. a kind of method of strip band iron plate fairing by hot working, it is characterised in that methods described is based on such as any one of claim 1 to 9
The device of described correction of attacking with fire for strip band iron, which comprises the steps:
Device for exerting is separately positioned on firer's workbench with each fixture, and between device for exerting and fixture, forms placement
The passage of strip band iron;
Strip band iron is placed in the passage that fixture is formed with device for exerting, and the convex portion that strip band iron is bent is towards pressure
Device is placed;
Strip band iron is corrected by the active force of the device for exerting under the conditions of firer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611184667.7A CN106513464A (en) | 2016-12-20 | 2016-12-20 | Device and method for long strip flat iron deformation correction by flames |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611184667.7A CN106513464A (en) | 2016-12-20 | 2016-12-20 | Device and method for long strip flat iron deformation correction by flames |
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Publication Number | Publication Date |
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CN106513464A true CN106513464A (en) | 2017-03-22 |
Family
ID=58340410
Family Applications (1)
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CN201611184667.7A Pending CN106513464A (en) | 2016-12-20 | 2016-12-20 | Device and method for long strip flat iron deformation correction by flames |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107570901A (en) * | 2017-09-05 | 2018-01-12 | 江苏鸥盛海洋环保设备有限公司 | A kind of orlo anti-deformation welding procedure |
CN113426848A (en) * | 2021-07-05 | 2021-09-24 | 张磊 | Correcting device is used in flexible operation's steel construction processing |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0592219A (en) * | 1991-09-30 | 1993-04-16 | Showa Alum Corp | Method for straightening bending of thin wall drawn tube |
CN202762774U (en) * | 2012-09-27 | 2013-03-06 | 辽宁忠旺集团有限公司 | Deformation rectification device for aluminum alloy section bar |
CN202779299U (en) * | 2012-08-21 | 2013-03-13 | 荆门市至诚机电设备有限公司 | Cold bending and straightening tooling for welding H-shaped steel |
CN203124488U (en) * | 2013-03-04 | 2013-08-14 | 中程建工集团有限公司 | Correction device for scaffold steel tube |
CN104014957A (en) * | 2013-02-28 | 2014-09-03 | 许涛 | Universal positioning template |
CN105234210A (en) * | 2015-09-29 | 2016-01-13 | 金华送变电工程有限公司 | Pressing-connection pipe straightening device |
CN206351186U (en) * | 2016-12-20 | 2017-07-25 | 中船黄埔文冲船舶有限公司 | Device for strip band iron plate fairing by hot working |
-
2016
- 2016-12-20 CN CN201611184667.7A patent/CN106513464A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0592219A (en) * | 1991-09-30 | 1993-04-16 | Showa Alum Corp | Method for straightening bending of thin wall drawn tube |
CN202779299U (en) * | 2012-08-21 | 2013-03-13 | 荆门市至诚机电设备有限公司 | Cold bending and straightening tooling for welding H-shaped steel |
CN202762774U (en) * | 2012-09-27 | 2013-03-06 | 辽宁忠旺集团有限公司 | Deformation rectification device for aluminum alloy section bar |
CN104014957A (en) * | 2013-02-28 | 2014-09-03 | 许涛 | Universal positioning template |
CN203124488U (en) * | 2013-03-04 | 2013-08-14 | 中程建工集团有限公司 | Correction device for scaffold steel tube |
CN105234210A (en) * | 2015-09-29 | 2016-01-13 | 金华送变电工程有限公司 | Pressing-connection pipe straightening device |
CN206351186U (en) * | 2016-12-20 | 2017-07-25 | 中船黄埔文冲船舶有限公司 | Device for strip band iron plate fairing by hot working |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107570901A (en) * | 2017-09-05 | 2018-01-12 | 江苏鸥盛海洋环保设备有限公司 | A kind of orlo anti-deformation welding procedure |
CN113426848A (en) * | 2021-07-05 | 2021-09-24 | 张磊 | Correcting device is used in flexible operation's steel construction processing |
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Application publication date: 20170322 |