CN102528384A - Large-caliber flange rolling process - Google Patents
Large-caliber flange rolling process Download PDFInfo
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- CN102528384A CN102528384A CN2010106014404A CN201010601440A CN102528384A CN 102528384 A CN102528384 A CN 102528384A CN 2010106014404 A CN2010106014404 A CN 2010106014404A CN 201010601440 A CN201010601440 A CN 201010601440A CN 102528384 A CN102528384 A CN 102528384A
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Abstract
The invention relates to a large-caliber flange rolling process, which sequentially includes the steps: 1 cutting; 2 rolling; 3 welding; 4 leveling; 5 lathe machining; and 6 drilling. By means of brand-new process design and modification of production equipment, a large-caliber industrial flange is produced by means of rolling. Owing to one-step rolling, an internal molecular structure and stress are extremely uniform, and only one welding port is needed. Therefore, the flange with extremely high quality is rolled, production procedures are greatly improved, materials are saved, and the requirements of the market on the industrial flange are effectively met.
Description
Technical field
The present invention relates to the flange forming technology, relate in particular to a kind of heavy caliber and roll the flange forming technology.
Background technology
Industry kind equipment production and pipe laying all be unable to do without the flange type product; The design of flange and quality are directly connected to the safety and the quality problems of equipment; And influence the technology and the production cost of follow-up engineering; Therefore, design of the moulding process of flange and Research on Process have commercial production and important effect.Adpting flange is the key components and parts that is widely used in the industrial department pipe-line systems such as Aeronautics and Astronautics, machinery, oil, chemical industry, electric power; In the construction of China's oil, Long-distance Transmission Pipeline, adopt heavy caliber, high grade of steel flange product to become an important trend of pipeline engineering high-pressure trend development at present.An industry type flange generally is that materials such as carbon steel are processed by stainless steel, adopts welding, is threaded or is connected in pipeline.The making of industry type flange blank is at present mainly adopted cast steel moulding, casting and forging molding, is forged modes such as moulding, cold coiling moulding and excision forming.
It all is the circular arc that is slit into multistage usually that the section welding procedure is pieced together in conventional high-tension heavy caliber industrial flange (the particularly above flange of diameter 1000mm) manufactory's employing commonly used at present; Welding fabrication through several points so just has a lot of soldering openings then, and is more complicated on the operation like this; Waste of material is also more; And the molecular structure of the steel plate of each combination the inside is also all different, and the material stress skewness also has certain influence to the quality of product like this, and workpiece strength is relatively poor; The blank surplus is many, and waste of material is big; Defectives such as process route is long, and labor strength is big.Be difficult to satisfy the production requirement of large batch of manufacturing.Simultaneously, the work period of welded flange qualification of welding procedure in manufacture process, welding sequence, Non-Destructive Testing is longer, and cost of manufacture is higher.
See that from downstream industry product user concentrates on boats and ships, petrochemical industry, electric power and natural gas field.In petrochemical industry, electric power and natural gas industry, flange and pipeline system are used to drilling well, and the production of crude oil, gas, liquid and powder and transportation; In the boats and ships industry, flange and pipeline system are used for the transmission of liquids and gases in the hull more.These flanges and pipeline system are processed for special high voltage bearing steel mostly.Above-mentioned industry is and the closely-related key industry of national economy, also is the key industry of listing national development planning in.The development of these industries provides the huge market space for Industrial Metal piping product.
Summary of the invention
For addressing the above problem, it is good that the technical problem that the present invention will solve provides a kind of intensity, and the heavy caliber that waste of material is little, labor strength is little rolls the flange forming technology.
Heavy caliber of the present invention rolls the flange forming technology, in turn includes the following steps:
1), opens material: choose the thick steel plate raw material of 10-150mm, cut into the steel plate of wide 30-180mm, long 2100-12000mm with large-scale flame cutting machine;
2), roll: with the steel plate that step 1) cuts, be transported to by the flange bushing machine, begin to roll flange, with flange roll into a wide 30-180mm, radius is the flange circle of 300-3000mm;
3), welding: the step 2) flange after rolling, be transported to welding bench, the interface of flange circle is welded, during welding, open v type cut reverse side and use gouge, plane is welded to connect the position to the front;
4), smoothing: step 3) is welded good flange, is transported to the smoothing platform, and through the levelling machine of 200T, each position of smoothing flange circle can process flange under minimum processing capacity when Vehicle Processing;
5), machined into: the flange that smoothing is good is transported to the lathe workshop, carries out machined into, processes the flange that drawing needs.
6), boring: the flange that lathe is good is transported to drilling platform, holes, and the diameter of boring is 12-80mm, and each flange bores 4-120 hole, and the flange that boring is good is transported to finishing room.
Heavy caliber of the present invention rolls flange forming technology, step 2) in, bushing machine three rollers and ground are and are arranged in parallel; Active roller rotates through piston, tooth bar, gear driven; Return idler is arranged at the symmetric position on two opposites of active roller, acts on piston through the hydraulic oil in the hydraulic cylinder and does translational motion, for rolling sheet material the curvature aperture is provided; Bushing machine is by the active force of active roller and rotatablely moving of active roller; Make metallic plate process multi-pass continuous bend repeatedly, produce nonvolatil plastic deformation, roll into needed circularity.
The beneficial effect that heavy caliber of the present invention rolls the flange forming technology is: the present invention is through the brand-new technological design and the transformation of production equipment, and the heavy caliber industrial flange of production adopts and rolls the forming technology making, owing to be disposable roll-forming; The molecular structure and the stress of the inside all are very uniform; Soldering opening also only needs one, rolls out the flange of very good quality like this, has also improved production process greatly; Also saved material; Basically reach external existing industrial flange technology and technological level, well satisfied security performance, transfer efficiency, the quality requirement of plant equipment and fluid circuit series products, greatly strengthened the competitiveness of product in market.
Description of drawings
Fig. 1 rolls the roller sketch map of flange forming technology kind bushing machine for heavy caliber of the present invention.
The specific embodiment
In the face of rolling the flange forming technology, heavy caliber of the present invention is described further down.
Heavy caliber of the present invention rolls the flange forming technology, comprises the steps:
1), opens material: choose the thick steel plate raw material of 30mm, cut into the steel plate of wide 30mm, long 3000mm with large-scale flame cutting machine;
2), roll: with the steel plate that step 1) cuts, be transported to by the flange bushing machine, begin to roll flange, with flange roll into a wide 30mm, radius is the flange circle of 1000mm;
3), welding: the step 2) flange after rolling, be transported to welding bench, the interface of flange circle is welded, during welding, open v type cut reverse side and use gouge, plane is welded to connect the position to the front;
4), smoothing: step 3) is welded good flange, is transported to the smoothing platform, and through the levelling machine of 200T, each position of smoothing flange circle can process flange under minimum processing capacity when Vehicle Processing;
5), machined into: the flange that smoothing is good is transported to the lathe workshop, carries out machined into, processes the flange that drawing needs.
6), boring: the flange that lathe is good is transported to drilling platform, holes, and the diameter of boring is 12mm, and each flange bores 4 holes, and the flange that boring is good is transported to finishing room.
Referring to Fig. 1, heavy caliber of the present invention rolls the flange forming technology, and bushing machine three rollers and ground are and are arranged in parallel; Make the loading and unloading of workpiece 3 very convenient, active roller 1 rotates through piston, tooth bar, gear driven, and return idler 2 is arranged at the symmetric position on two opposites of active roller 1; Act on piston through the hydraulic oil in the hydraulic cylinder and do translational motion; For rolling sheet material the curvature aperture is provided, bushing machine makes metallic plate process multi-pass continuous bend repeatedly by the active force of active roller and rotatablely moving of active roller; Produce nonvolatil plastic deformation, roll into needed circularity.
Metal is under higher temperature; Be subjected to displacement between the lattice of metal and do not rupture ability stronger; So general Metal Forming is all liked carrying out at a certain temperature as forging to roll to dash, the degree of the plastic deformation of cold rolling and cold punching can not show a candle to hot rolling and Re Chong.
The present invention is through the plastic deformation of research metallic crystal and the relation of crystal structure; Explore the crystal texture Changing Pattern; And the deformation energy condition that produces plastic deformation; The mechanism of utilization plastic deformation is carried out rolling of metal material and is shaped, and material has direct relation in the control of the locus of the process of rolling to the forming quality of product blank.Therefore, project has realized that through the spacing setting of roller die and the split design of roller die power output maximization and the minimized ideal of frictional resistance roll forming process.Simultaneously, during the varied in thickness of processing object, high roller body such as only need adjust and get final product, its versatility is stronger.
Above embodiment describes preferred implementation of the present invention; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; Various distortion and improvement that the common engineers and technicians in this area make technical scheme of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (2)
1. a heavy caliber rolls the flange forming technology, it is characterized in that, in turn includes the following steps:
1), opens material: choose the thick steel plate raw material of 10-150mm, cut into the steel plate of wide 30-180mm, long 2100-12000mm with large-scale flame cutting machine;
2), roll: with the steel plate that step 1) cuts, be transported to by the flange bushing machine, begin to roll flange, with flange roll into a wide 30-180mm, radius is the flange circle of 300-3000mm;
3), welding: the step 2) flange after rolling, be transported to welding bench, the interface of flange circle is welded, during welding, open v type cut reverse side and use gouge, plane is welded to connect the position to the front;
4), smoothing: step 3) is welded good flange, is transported to the smoothing platform, and through the levelling machine of 200T, each position of smoothing flange circle can process flange under minimum processing capacity when Vehicle Processing;
5), machined into: the flange that smoothing is good is transported to the lathe workshop, carries out machined into, processes the flange that drawing needs.
6), boring: the flange that lathe is good is transported to drilling platform, holes, and the diameter of boring is 12-80mm, and each flange bores 4-120 hole, and the flange that boring is good is transported to finishing room.
2. heavy caliber according to claim 1 rolls the flange forming technology; It is characterized in that: step 2) in, bushing machine three rollers and ground are and are arranged in parallel, and active roller rotates through piston, tooth bar, gear driven; Return idler is arranged at the symmetric position on two opposites of active roller; Act on piston through the hydraulic oil in the hydraulic cylinder and do translational motion, for rolling sheet material the curvature aperture is provided, bushing machine is by the active force of active roller and rotatablely moving of active roller; Make metallic plate process multi-pass continuous bend repeatedly, roll into needed circularity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106014404A CN102528384A (en) | 2010-12-23 | 2010-12-23 | Large-caliber flange rolling process |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106014404A CN102528384A (en) | 2010-12-23 | 2010-12-23 | Large-caliber flange rolling process |
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| CN102528384A true CN102528384A (en) | 2012-07-04 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922238A (en) * | 2012-11-08 | 2013-02-13 | 无锡市金羊管道附件有限公司 | Production process of body flange |
| CN105750835A (en) * | 2015-12-16 | 2016-07-13 | 中山市毅马五金有限公司 | Flange end plate machining process |
| CN108571629A (en) * | 2018-03-07 | 2018-09-25 | 安徽铜陵丰林法兰制造有限公司 | A kind of manufacturing process of novel flange |
| CN114798843A (en) * | 2022-05-13 | 2022-07-29 | 通裕重工股份有限公司 | Process method for continuous hot rolling forming of flange and hot rolling equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010067860A (en) * | 2001-04-03 | 2001-07-13 | 강동열 | Apparatus and method for manufacturing flanged cylindrical units of storage tank, and flanged cylindrical units manufactured thereby |
| CN1730185A (en) * | 2005-08-12 | 2006-02-08 | 河南科隆石化装备有限公司 | Steel plate hot-rolling welded flange technique |
| CN201127961Y (en) * | 2007-11-22 | 2008-10-08 | 诸城市恒基机械制造有限公司 | Machine for rolling flange |
| CN101412157A (en) * | 2008-11-21 | 2009-04-22 | 中信重工机械股份有限公司 | Control method of large-sized mining grinding mill end flange welding deformation |
| KR20090109399A (en) * | 2008-04-15 | 2009-10-20 | 율원테크니컬엔지니어링(주) | Method for fabricating flange and apparatus for finishing the surface of steel flat bar for use in flange |
| CN101837397A (en) * | 2010-05-13 | 2010-09-22 | 南通奥特机械设备有限公司 | Numerically controlled universal flange machine |
-
2010
- 2010-12-23 CN CN2010106014404A patent/CN102528384A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010067860A (en) * | 2001-04-03 | 2001-07-13 | 강동열 | Apparatus and method for manufacturing flanged cylindrical units of storage tank, and flanged cylindrical units manufactured thereby |
| CN1730185A (en) * | 2005-08-12 | 2006-02-08 | 河南科隆石化装备有限公司 | Steel plate hot-rolling welded flange technique |
| CN201127961Y (en) * | 2007-11-22 | 2008-10-08 | 诸城市恒基机械制造有限公司 | Machine for rolling flange |
| KR20090109399A (en) * | 2008-04-15 | 2009-10-20 | 율원테크니컬엔지니어링(주) | Method for fabricating flange and apparatus for finishing the surface of steel flat bar for use in flange |
| CN101412157A (en) * | 2008-11-21 | 2009-04-22 | 中信重工机械股份有限公司 | Control method of large-sized mining grinding mill end flange welding deformation |
| CN101837397A (en) * | 2010-05-13 | 2010-09-22 | 南通奥特机械设备有限公司 | Numerically controlled universal flange machine |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922238A (en) * | 2012-11-08 | 2013-02-13 | 无锡市金羊管道附件有限公司 | Production process of body flange |
| CN105750835A (en) * | 2015-12-16 | 2016-07-13 | 中山市毅马五金有限公司 | Flange end plate machining process |
| CN108571629A (en) * | 2018-03-07 | 2018-09-25 | 安徽铜陵丰林法兰制造有限公司 | A kind of manufacturing process of novel flange |
| CN114798843A (en) * | 2022-05-13 | 2022-07-29 | 通裕重工股份有限公司 | Process method for continuous hot rolling forming of flange and hot rolling equipment |
| CN114798843B (en) * | 2022-05-13 | 2024-02-06 | 通裕重工股份有限公司 | Technological method for flange continuous hot-rolling forming and hot-rolling equipment |
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Application publication date: 20120704 |