CN102528384A - Large-caliber flange rolling process - Google Patents
Large-caliber flange rolling process Download PDFInfo
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- flange
- transported
- roll
- rolling
- smoothing
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 19
- 238000003466 welding Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000005553 drilling Methods 0.000 claims abstract description 5
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 238000009499 grossing Methods 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 7
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 238000013461 design Methods 0.000 abstract description 6
- 238000003754 machining Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 239000000047 product Substances 0.000 description 8
- 238000000465 moulding Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Landscapes
- Metal Rolling (AREA)
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106014404A CN102528384A (en) | 2010-12-23 | 2010-12-23 | Large-caliber flange rolling process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102528384A true CN102528384A (en) | 2012-07-04 |
Family
ID=46337083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106014404A Pending CN102528384A (en) | 2010-12-23 | 2010-12-23 | Large-caliber flange rolling process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102528384A (en) |
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) | Flange manufacturing method and flat iron surface processing equipment for 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) | Flange manufacturing method and flat iron surface processing equipment for 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102527767B (en) | Cold drawing welded tube manufacture process for high-accuracy hydraulic oil cylinder | |
| JP4832287B2 (en) | Manufacturing method of cold-worked high-strength seamless corrosion-resistant pipe | |
| CN109500130B (en) | Manufacturing method of seamless steel tube with diameter of 920mm for long-tube trailer gas cylinder | |
| CN101695739A (en) | Forging process of large tee and large skew tee | |
| CN111940537B (en) | Hot extrusion pipe-making production method of S31254 seamless steel pipe | |
| CN103691761B (en) | A kind of method of utilizing extrusion equipment to manufacture Large Diameter Pipeline seamless tubular goods | |
| CN103071736A (en) | Composite molding process of large-size titanium-made end socket | |
| Zhang et al. | Explorative study of rotary tube piercing process for producing titanium alloy thick-walled tubes with bi-modal microstructure | |
| CN102528384A (en) | Large-caliber flange rolling process | |
| Shinkin | Elastoplastic flexure of round steel beams. 1. Springback coefficient | |
| CN108372223A (en) | A kind of spin forming method of Thin Walled Curved busbar shape part | |
| CN103084427B (en) | Manufacturing method of hardenability steel tube | |
| CN103599957B (en) | A kind of extrusion process of hydrocracking stove austenitic stainless steel seamless pipe | |
| CN102079039B (en) | Processing method for cladding inner walls of cylindrical workpieces by using stainless steel material | |
| CN104647037A (en) | Method for manufacturing cold-drawn welded pipe for precision inner hole honing pipe | |
| CN109500131B (en) | Manufacturing method of seamless steel tube for gas cylinder of long tube trailer | |
| Vollertsen | Accuracy in process chains using hydroforming | |
| CN101862949A (en) | Backward extrusion forging method | |
| RU2426617C1 (en) | Method of producing thin-wall shells | |
| Chen et al. | A novel process for manufacturing large-diameter thin-walled metal ring: Double-roll pendulum hot rotary forging technology | |
| CN109759478B (en) | Manufacturing method of seamless steel tube for large-volume gas cylinder | |
| Ding et al. | Chain-die Forming, is it a right forming method to make structural parts of motor vehicles with UHSS material | |
| CN103934625B (en) | The piston rod mosaic technology of a kind of jack and column | |
| Pesin et al. | Study of different large bodies manufacturing based on combined methods of deformation | |
| Kopp et al. | Plastic working in Germany and related environmental issues |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |