CN106944510A - A kind of roll bending formation method of complex section cold-rolled forming section - Google Patents
A kind of roll bending formation method of complex section cold-rolled forming section Download PDFInfo
- Publication number
- CN106944510A CN106944510A CN201710260099.2A CN201710260099A CN106944510A CN 106944510 A CN106944510 A CN 106944510A CN 201710260099 A CN201710260099 A CN 201710260099A CN 106944510 A CN106944510 A CN 106944510A
- Authority
- CN
- China
- Prior art keywords
- section
- roll bending
- complex
- bending formation
- complex section
- 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.)
- Granted
Links
Classifications
-
- 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/08—Bending rods, profiles, or tubes by passing between rollers or through a curved die
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The present invention provides a kind of roll bending formation method-UDT of complex section cold-rolled forming section (USTB Durable T) umbellate form angle control method, belongs to roll bending formation technical field.The stile of complex section cold-rolled forming section and eaves side are bent and carried out simultaneously during roll bending formation by this method, and eaves side angle of bend is more than stile angle of bend, the continuous roll bending formation of multi-pass, and it is in umbellate form that the roller of formation, which is spent,.This method have the advantages that efficiently, section material, energy-conservation and Product Precision it is high, the Strips such as lightweight high-strength steel or super-high strength steel can be solved well in the easily skew of complex section roll bending formation process reference point and easily the problems such as side wave mass defect occur, realize that the high precision roller roll forming of complex section cold-rolled forming section provides new method in batches to be stable.
Description
Technical field
The present invention relates to roll bending formation technical field, a kind of roll bending formation side of complex section cold-rolled forming section is particularly related to
Method.
Background technology
Roll bending shaped steel is a kind of economical section bar of purposes widely.Because its cross section structure is rationally (generally according to making
With requiring design), description is various, physical dimension is accurate and modern society is to material lightweight, cross sectional shape rationalization
With the use requirement of functionalization, thus almost throughout the every field of people's daily life.With the continuous progressive and use of technology
Continuous improvement of the family to product requirement, cold-rolled forming section also develops towards more complicated, accurate direction.But due to roll forming mistake
Journey complex effects factor is numerous, the Strip roll bending formation process such as lightweight high-strength steel or super-high strength steel deformation rule not yet by
People grasp completely, thus to roll bending shaped steel product, the especially hole type design of complex section shaped steel product it is also main according to
Rely the knowhow of designer.Compared with common channel-section steel, its cross sectional shape of complex section shaped steel is complicated and general asymmetric, exists
Serious heterogeneous deformation, shaping difficulty is big, and the quantity of angle of bend significantly increases compared to common channel-section steel.Bending process is multiple
One of key technology of roll bending formation process of miscellaneous section shaped steel, the moulding process of angle of bend and the reasonable distribution influence of deformation angle
The Forming Qualities of final products.
Mainly there are two kinds currently for the angle of bend regulation and control method of complex section shaped steel：
One kind is the small conjunction hand-type angle control method for how expanding (day) and Liu Jiying propositions：Stile bending is carried out first, the 2nd
~3 passages start eaves edge forming；This method is more beneficial for the lateral displacement of strip material during complex section is molded,
Material traverse feed is more abundant, but is due to that eaves side starts shaping in the 2nd~3 passage, causes the eaves side end of complex section shaped steel
Point has excessive hoisting depth, causes strip to produce larger speed difference on same cross section, so that complex section shaped steel
Eaves side end portion there is larger longitudinal stretching deformation, this, which may result in complex section shaped steel edge during shaping, occurs
The defect of side wave etc.；
Another is the flatbed angle control method proposed by Wang Xianjin：Eaves side bends with stile and carried out simultaneously, and bending
Angle is equal；This method improves the defect of side wave due to eaves side and stile bending progress simultaneously, but because each transition is disconnected
The eaves side in face is on parallel horizontal plane, so inflection point lateral shift easily occurs in former passages of bending process,
Especially when high-strength steel is molded, this defect is especially prominent.This is accomplished by when carrying out Roller Design, and the roll of former passages is needed
The edge-blocking device of certain altitude is designed, to solve the phenomenon of the strip skew occurred in actual production process.Current this side
Method is widely used, and can solve the side wave that occurs in forming process and skew defect, but there is also shaping cost it is too high and into
The problems such as type precision is difficult to ensure that sometimes.
The content of the invention
The present invention is directed to the moulding process institute produced problem of both the above complex section shaped steel bending method, Yi Jigao
There is provided a kind of roll bending of complex section cold-rolled forming section on the influence of roll bending formation process for the material property of strong steel and super-high strength steel strip
Forming method --- UDT (USTB-Durable.T) umbellate form angle control method.
This method is specially：The stile of complex section cold-rolled forming section and eaves side are bent and carried out simultaneously, and eaves side angle of bend
More than stile angle of bend, more than three passages continuous roll bending formations, the roller flower of formation is in umbellate form.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
This method have the advantages that efficiently, section material, energy-conservation and Product Precision it is high, complex section clod wash type can be solved well
Steel forming process datum mark is easily offset and easily the problems such as side wave mass defect occurs, and complex section clod wash type is realized in batches to be stable
The high precision roller roll forming of steel provides new method.
Brief description of the drawings
Fig. 1 spends schematic diagram for the umbrella shape roller of the roll bending formation method of the complex section cold-rolled forming section of the present invention；
Fig. 2 complex section shaped steel bent angles position；
Fig. 3 is the cross section parameter schematic diagram of the cage guide of complex section shape in the embodiment of the present invention；
Fig. 4 is conjunction hand-type angle control method roller flower process figure in the embodiment of the present invention；
Fig. 5 be close in the embodiment of the present invention maximum longitudinal strain value suffered by hand-type angle control method or so eaves side end portion with
The yield limit value comparison diagram of material；
Fig. 6 is conjunction hand-type angle control method simulation result figure in the embodiment of the present invention；
Fig. 7 is flatbed angle control method roller flower process figure in the embodiment of the present invention；
Fig. 8 be maximum longitudinal strain value in the embodiment of the present invention suffered by flatbed angle control method or so eaves side end portion with
The yield limit value comparison diagram of material；
Fig. 9 is flatbed angle control method simulation result figure in the embodiment of the present invention；
Figure 10 is the maximum longitudinal strain value suffered by UDT umbellate form angle control methods in the embodiment of the present invention or so eaves side end portion
With the yield limit value comparison diagram of material；
Figure 11 is UDT umbellate form angle control method simulation result figures in the embodiment of the present invention.
Wherein：1- eaves side；2- stiles.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
The present invention provides a kind of roll bending formation method of complex section cold-rolled forming section.
Certain company research and development a complex section shape cage guide, its product cross section parameter request as shown in figure 3, its
In, thickness t=1.5mm.It can determine that shaping passage is 8 according to design parameter, and to 2 bend angles alphas of eaves side 1 of complex section shaped steel
There are 3 kinds of different angles with the formulation of 2 angle of bend β of stile 2 bending sequence and regulate and control method, pass through DTM linear simulations pair
The method of these three complex section shaped steel is analyzed.It can obtain the complex section shaped steel shaping work that three kinds of methods are formulated
Skill such as table 1：
The moulding process of the cage guide distinct methods of the complex section shape of table 1.1
1st, hand-type angle control method is closed：The stile bending of 2 passages is carried out first, and back pass then carries out stile simultaneously
Bent with eaves side, and stile angle of bend β is more than eaves side bend angles alpha, Fig. 4 is the roller flower process figure for closing hand-type angle control method.
The maximum longitudinal strain value of complex section shaped steel eaves side and stile suffered by every time is carried out using DTM linear simulations
Analysis, using closing the maximum longitudinal strain value such as Fig. 5 of the complex section shaped steel eaves side of hand-type angle control method suffered by every time.By
Fig. 5 is understood：Maximum longitudinal strain value of the eaves side suffered by every time all exceeds the yield limit value of the strip material and numerical value is larger.
And understand to occur in that the defect of side wave by simulation analysis, as shown in Figure 6.This defect in process of production also when have
It is existing.
2nd, flatbed angle control method：Eaves side bends with stile and carried out simultaneously, and angle of bend is equal.Fig. 7 is flatbed
The roller flower process figure of angle control method.
Simulation result is as shown in figure 8, the forming technology complex section shaped steel eaves side end portion of this kind of bending method is at every time
Suffered longitudinal strain maximum has significant reduction compared with closing hand-type angle control method before, and every time is suffered maximum vertical
To strain value numerical values recited closer to strip material yield limit value, but strip in the 3rd passage between the 4th passage
Longitudinal strain value suffered by the eaves side end portion of the left and right sides occurs in that difference, and this means that strip passes through the 3rd in forming process
Passage is obvious asymmetric to occurring in that during 4 passage or so, as shown in figure 9, the i.e. phenomenon of strip skew.
3rd, UDT umbellate forms angle control method：As shown in Fig. 2 the stile of complex section cold-rolled forming section and eaves side are bent simultaneously
Carry out, and eaves side bend angles alpha is more than stile angle of bend β.Fig. 1 is the umbrella shape roller flower process figure of UDT umbellate form angle control methods.
For the maximum longitudinal strain suffered by the left and right eaves side end portion of the moulding process progress DTM emulation of this kind of bending method
Value and the yield limit value contrast of material are as shown in Figure 10, it can be seen that complex section shaped steel eaves side end portion in forming process exists
Control is in the vicinity of strip Materials Yield Limit well for maximum longitudinal strain value suffered by every time, and UDT umbellate forms angle is adjusted
Control method simulation result such as Figure 11, carries out adding after stile bending, 2~3 passages first relative to the first conjunction hand-type angle regulation and control
The method of eaves edge forming bending, which is compared, can effectively avoid complex section shaped steel from easily the quality of side wave occur in forming process
Defect；The eaves side of compared to second flatbed angle control method bends with stile and carried out simultaneously simultaneously, and angle of bend is equal
Also there is not difference, i.e. the bending side in longitudinal strain value suffered by bending method complex section section steel edge along the end left and right sides
Complex section shaped steel can be effectively prevented from offseting now in the inflection point that former passages occur in the moulding process forming process of method
The generation of elephant, it is ensured that the production of complex section shaped steel product.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (1)
1. a kind of roll bending formation method of complex section cold-rolled forming section, it is characterised in that：By the stile of complex section cold-rolled forming section
Carried out simultaneously with the bending of eaves side, and eaves side angle of bend is more than more than stile angle of bend, three passages continuous roll bending formations, the roller of formation
Flower is in umbellate form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260099.2A CN106944510B (en) | 2017-04-20 | 2017-04-20 | A kind of roll bending formation method of complex section cold-rolled forming section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260099.2A CN106944510B (en) | 2017-04-20 | 2017-04-20 | A kind of roll bending formation method of complex section cold-rolled forming section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106944510A true CN106944510A (en) | 2017-07-14 |
| CN106944510B CN106944510B (en) | 2019-10-11 |
Family
ID=59476371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710260099.2A Active CN106944510B (en) | 2017-04-20 | 2017-04-20 | A kind of roll bending formation method of complex section cold-rolled forming section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106944510B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941271A (en) * | 2018-06-26 | 2018-12-07 | 北京科技大学 | A kind of complex section super-high strength steel component roll bending formation rebound fused controlling method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172707A (en) * | 1997-05-07 | 1998-02-11 | 武钢集团汉口轧钢厂 | Method for manufacturing railway open wagon side pillar |
| CN101168224A (en) * | 2007-11-30 | 2008-04-30 | 攀钢集团攀枝花钢铁研究院 | Method for heating and forming cold-formed steel and cold-formed steel produced by same |
| RU2365447C1 (en) * | 2008-04-21 | 2009-08-27 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Method for manufacturing of bent channel |
| RU2375137C1 (en) * | 2008-09-29 | 2009-12-10 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Forming method of special bent profile |
| CN203215250U (en) * | 2013-04-07 | 2013-09-25 | 泰安科诺型钢股份有限公司 | Cap type high-strength weather-proof cold bending sectional steel |
| JP2015205289A (en) * | 2014-04-17 | 2015-11-19 | 新日鐵住金株式会社 | Roller forming method |
-
2017
- 2017-04-20 CN CN201710260099.2A patent/CN106944510B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1172707A (en) * | 1997-05-07 | 1998-02-11 | 武钢集团汉口轧钢厂 | Method for manufacturing railway open wagon side pillar |
| CN101168224A (en) * | 2007-11-30 | 2008-04-30 | 攀钢集团攀枝花钢铁研究院 | Method for heating and forming cold-formed steel and cold-formed steel produced by same |
| RU2365447C1 (en) * | 2008-04-21 | 2009-08-27 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Method for manufacturing of bent channel |
| RU2375137C1 (en) * | 2008-09-29 | 2009-12-10 | Открытое акционерное общество "Магнитогорский металлургический комбинат" | Forming method of special bent profile |
| CN203215250U (en) * | 2013-04-07 | 2013-09-25 | 泰安科诺型钢股份有限公司 | Cap type high-strength weather-proof cold bending sectional steel |
| JP2015205289A (en) * | 2014-04-17 | 2015-11-19 | 新日鐵住金株式会社 | Roller forming method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108941271A (en) * | 2018-06-26 | 2018-12-07 | 北京科技大学 | A kind of complex section super-high strength steel component roll bending formation rebound fused controlling method |
| CN108941271B (en) * | 2018-06-26 | 2020-02-07 | 北京科技大学 | Roll bending forming springback fusion control method for ultrahigh-strength steel member with complex section |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106944510B (en) | 2019-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107008837B (en) | A kind of inexpensive open die forging method of large size edger roll forging | |
| CN101954396B (en) | Roll type continuous cold-bending forming fabricating method for U-shaped steel sheet pile | |
| CN103412978B (en) | A kind of stretch bending process model modification method based on workpiece 3-D scanning | |
| CN103817180B (en) | The continuous cold bending shaping method of roll-type of light section sheet pile CSPL2 | |
| CN102284547B (en) | Method for processing rectangular aluminum alloy waveguide through multi-pass rolling drawing | |
| CN202239279U (en) | Progressive die for big-size shallow-drawing sheet metal component | |
| CN105251778B (en) | Feedback control method for edge thinning of single-taper working roll shifting rolling mill | |
| CN106001127A (en) | Guide method for online negative deviation control in steel machining process | |
| CN106944510A (en) | A kind of roll bending formation method of complex section cold-rolled forming section | |
| CN110860564A (en) | Two segmentation rolling pass structures of stock | |
| CN110262396A (en) | A kind of not equal area Bu Dengliaohou process data processing method for expecting thick product drawing die of laser assembly solder | |
| CN107791537A (en) | Composite material I shape stringer wall panel structure forming frock and forming method | |
| CN104353672A (en) | Novel hole pattern for implementing rolling of bar with large strain at core part | |
| CN204620715U (en) | A kind of system being applicable to production in enormous quantities multiple section shaped metal wire rod | |
| CN105855298B (en) | High-precision boron-containing steel hot-rolling force calculation method | |
| CN207291015U (en) | Composite material " work " shape stringer wall panel structure forming frock | |
| CN103611798B (en) | A kind of square washer continuous mould structure | |
| CN104504169A (en) | Structural design of M-shaped novel hole pattern for implementing multidirectional large plastic strain bar rolling | |
| CN206435707U (en) | Stainless steel single seat valve body forging mold | |
| CN106623715B (en) | A kind of die-forging forming method of 15-5PH stainless steel | |
| CN211161195U (en) | Two segmentation rolling pass structures of stock | |
| CN205969637U (en) | Slider secondary structure mold of loosing core | |
| CN103611795B (en) | A kind of square washer progressive die production technology | |
| CN206662114U (en) | A kind of drop stamping line cutting agency of accurate positioning | |
| CN102921725B (en) | Non-oriented silicon steel hot rolled plate rolling method controlled through silicon equivalent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |