CN107252818A - The processing method of traffic track - Google Patents
The processing method of traffic track Download PDFInfo
- Publication number
- CN107252818A CN107252818A CN201710652646.1A CN201710652646A CN107252818A CN 107252818 A CN107252818 A CN 107252818A CN 201710652646 A CN201710652646 A CN 201710652646A CN 107252818 A CN107252818 A CN 107252818A
- Authority
- CN
- China
- Prior art keywords
- rail steel
- rolling
- processing method
- traffic track
- cold
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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
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
- B21B1/085—Rail sections
Abstract
The invention discloses a kind of processing method of traffic track, including：Rail steel is put into cold-rolling mill and carries out cold rolling processing；Rail steel after will be cold rolling delivers to hot-rolling mill and carries out hot rolling；Rail steel after hot rolling is subjected to secondary cold-rolling；Rail steel after processing is delivered into bending and molding in bender.The advantage of the invention is that：The intensity of the cold rolling rail steel handled repeatedly of cold rolling hot rolling is higher, and more preferably, regular brushing antirust oil, it is to avoid rail steel corrosion improves accuracy when service life and the traffic track parking of rail steel to wearability.
Description
Technical field
The present invention relates to carrier rails field, more particularly, to a kind of processing method of traffic track.
Background technology
At present, as economic continuing to develop, the land transportation in city is more and more crowded, and many cities are in order to solve traffic
Blockage problem, widening road builds subway, but widening road needs to take a large amount of land resources, and road both sides is built
Removal cost with vegetation is high, builds ground iron rule cost of investment height, long in time limit, construction period causes further gathering around for road on the contrary
Stifled, in addition, land transportation is also easily caused traffic accident, frost, severe snow can also cause to interrupt to land transportation, to country and society
Cause huge loss.Therefore suspending carrying traffic starts to step into the sight of people, can solve the problem that above-mentioned various problems,
And suspending carrying track is then the critical piece of suspending carrying traffic.
Therefore, it is necessary to develop, a kind of intensity is higher, is capable of the processing method of the traffic track of reliability service.
The information for being disclosed in background of invention part is merely intended to deepen the reason of the general background technology to the present invention
Solution, and be not construed as recognizing or imply known to those skilled in the art existing of the information structure in any form
Technology.
The content of the invention
The present invention proposes a kind of processing method of traffic track, and it can be improved more by filling the processing of processing technology
The service life of rail steel.
According to a kind of processing method of traffic track of the present invention, including：
Rail steel is put into cold-rolling mill and carries out cold rolling processing；
The rail steel after will be cold rolling delivers to hot-rolling mill and carries out hot rolling；
The rail steel after hot rolling is subjected to secondary cold-rolling；
The rail steel after processing is delivered into bending and molding in bender.
Preferably, the material of the rail steel is U71Mn or U74Mn.
Preferably, the rail steel is carried out after overpickling cold rolling.
Preferably, by it is described it is cold rolling after rail steel made annealing treatment.
Preferably, the annealing temperature of the annealing is 30-50 DEG C.
Preferably, the annealing temperature is kept for 20-40 minutes.
Preferably, the rail steel Jing Guo the annealing is subjected to hot rolling.
Preferably, the speed of the hot-rolling mill is adjusted to 20-25m/s.
Preferably, by the rail steel brushing antirust oil after bending and molding.
Preferably, the rail steel is often using the brushing for carrying out an antirust oil for 4-7 days.
According to a kind of processing method of traffic track of the present invention, it the advantage is that：Cold rolling hot rolling is cold rolling to be handled repeatedly
The intensity of rail steel is higher, and more preferably, regular brushing antirust oil, it is to avoid rail steel corrosion improves the use longevity of rail steel to wearability
Accuracy when life and traffic track stop.
The method of the present invention has other characteristics and an advantage, these characteristics and advantage from the accompanying drawing being incorporated herein and with
It will be apparent, or will enter in the accompanying drawing that is incorporated herein and subsequent specific embodiment in specific embodiment afterwards
Row statement in detail, these the drawings and specific embodiments are provided commonly for explaining the certain principles of the present invention.
Brief description of the drawings
By the way that exemplary embodiment of the present is described in more detail with reference to accompanying drawing, of the invention is above-mentioned and other
Purpose, feature and advantage will be apparent, wherein, in exemplary embodiments of the present invention, identical reference is usual
Represent same parts.
The step of Fig. 1 shows the processing method according to a kind of traffic track of one exemplary embodiment of the present invention
Flow chart.
Embodiment
The present invention is more fully described below with reference to accompanying drawings.Although showing the preferred embodiments of the present invention in accompanying drawing,
However, it is to be appreciated that may be realized in various forms the present invention without that should be limited by embodiments set forth here.It is opposite there is provided
These embodiments are in order that the present invention is more thorough and complete, and can will fully convey the scope of the invention to ability
The technical staff in domain.
A kind of processing method of traffic track of the present invention, including：
Rail steel is put into cold-rolling mill and carries out cold rolling processing；
Rail steel after will be cold rolling delivers to hot-rolling mill and carries out hot rolling；
Rail steel after hot rolling is subjected to secondary cold-rolling；
Rail steel after processing is delivered into bending and molding in bender.
Preferably, the material of rail steel is U71Mn or U74Mn.
U71Mn or U74Mn rail steel will have resistance to through frayed and prolonged and repeated load with higher in use
Mill property, resistance to pressure and fatigue resistance and good toughness.
The intensity of the cold rolling rail steel handled repeatedly of cold rolling hot rolling is higher, and wearability is more preferable.
Preferably, rail steel is carried out after overpickling cold rolling.
Being capable of scale removal, the finish of raising track steel surface by pickling processes.
Preferably, the rail steel after will be cold rolling is made annealing treatment.
Preferably, the annealing temperature of annealing is 30-50 DEG C.
Preferably, annealing temperature is kept for 20-40 minutes.
The process of the process of cold rolling production includes raw material preparation, pickling, rolling, degreasing, annealing, and cold rolling preceding raw material will
First dephosphorization, to ensure the clean surface of cold-rolled products；Rolling is the master operation for deforming material；The purpose of degreasing is to remove
The lubricant grease on stocking is attached to during rolling, is also to prevent carburetting to stainless steel in order to avoid polluting steel surface during annealing；Annealing bag
Intermediate annealing and finished product heat treatment are included, the processing that intermediate annealing is produced when being and eliminating cold deformation by recrystallizing is hardened, to recover
The plasticity of material and the resistance of deformation for reducing metal；The purpose of finished product heat treatment also exists in addition to by recrystallizing elimination hardening
In the technical requirements according to product with (such as deep-draw, electromagnetically of the tissue (such as various texture) required for obtaining and properties of product
Can etc.).
Preferably, the rail steel by annealing is subjected to hot rolling.
Preferably, the speed of hot-rolling mill is adjusted to 20-25m/s.
Hot rolling can significantly reduce energy consumption, reduce cost, and plastic deformation is high during hot rolling, and resistance of deformation is low, greatly reduces gold
Belong to the energy expenditure of deformation；Hot rolling can improve the process industrial art performance of metal, i.e., crush the coarse grain of as-cast condition, significantly
Crack healing, reduces or eliminates casting flaw, and as-cast structure is changed into Deformation structure, improves the processing characteristics of metal.
Preferably, by the rail steel brushing antirust oil after bending and molding.
Preferably, rail steel is often using the brushing for carrying out an antirust oil for 4-7 days.
Regular brushing antirust oil, it is to avoid rail steel corrosion, when the service life and traffic track for improving rail steel are stopped
Accuracy.
Embodiment
The step of Fig. 1 shows the processing method according to a kind of traffic track of one exemplary embodiment of the present invention
Flow chart.
As shown in figure 1, a kind of processing method of logical track of the present embodiment, including：
Rail steel is put into cold-rolling mill and carries out cold rolling processing；
Rail steel after will be cold rolling delivers to hot-rolling mill and carries out hot rolling；
Rail steel after hot rolling is subjected to secondary cold-rolling；
Rail steel after processing is delivered into bending and molding in bender.
The material of the present embodiment middle orbit steel is U74Mn, and traffic track steel belongs to heavy rail, safer using U74Mn, load-bearing
Ability is higher.
Rail steel first carries out pickling, removes the oxide skin of track steel surface, carries out cold rolling after pickling, passes through the rail after cold rolling
Road steel keeps being made annealing treatment for 30 minutes in the environment of 50 DEG C.
Rail steel after annealing carries out hot rolling, and the speed of hot-rolling mill is adjusted to 23m/s, and progress is cold rolling for the second time after hot rolling, so
The brushing that the rail steel after bending and molding processing, bending and molding carried out medical ethics antirust oil every 5 days, wherein antirust grease separation are carried out afterwards
Select dewatering rust preventive oil.
It is described above embodiments of the invention, described above is exemplary, and non-exclusive, and also not
It is limited to disclosed embodiment.In the case of the scope and spirit without departing from embodiment described, for the art
Those of ordinary skill for many modifications and changes will be apparent from.The selection of term used herein, it is intended to best
Principle, practical application or the improvement to the technology in market of embodiment are explained in ground, or make the other common of the art
Technical staff is understood that embodiments disclosed herein.
Claims (10)
1. a kind of processing method of traffic track, it is characterised in that including：
Rail steel is put into cold-rolling mill and carries out cold rolling processing；
The rail steel after will be cold rolling delivers to hot-rolling mill and carries out hot rolling；
The rail steel after hot rolling is subjected to secondary cold-rolling；
The rail steel after processing is delivered into bending and molding in bender.
2. the processing method of traffic track according to claim 1, wherein, the material of the rail steel be U71Mn or
U74Mn。
3. the processing method of traffic track according to claim 1, wherein, the rail steel is carried out after overpickling cold
Roll.
4. the processing method of traffic track according to claim 3, wherein, by it is described it is cold rolling after rail steel annealed
Processing.
5. the processing method of traffic track according to claim 4, wherein, the annealing temperature of the annealing is 30-
50℃。
6. the processing method of traffic track according to claim 5, wherein, the annealing temperature is kept for 20-40 minutes.
7. the processing method of traffic track according to claim 6, wherein, the rail steel Jing Guo the annealing is entered
Row hot rolling.
8. the processing method of traffic track according to claim 7, wherein, the speed of the hot-rolling mill is adjusted to 20-25m/
s。
9. the processing method of traffic track according to claim 8, wherein, by the rail steel brushing after bending and molding
Antirust oil.
10. the processing method of traffic track according to claim 9, wherein, the rail steel often carried out one using 4-7 days
The brushing of secondary antirust oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652646.1A CN107252818A (en) | 2017-08-02 | 2017-08-02 | The processing method of traffic track |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710652646.1A CN107252818A (en) | 2017-08-02 | 2017-08-02 | The processing method of traffic track |
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| Publication Number | Publication Date |
|---|---|
| CN107252818A true CN107252818A (en) | 2017-10-17 |
Family
ID=60025666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710652646.1A Pending CN107252818A (en) | 2017-08-02 | 2017-08-02 | The processing method of traffic track |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676974A (en) * | 2018-06-21 | 2018-10-19 | 安徽意力电缆有限公司 | A kind of processing technology of traffic track steel |
| CN114904910A (en) * | 2022-07-19 | 2022-08-16 | 西安市轨道交通集团有限公司 | Intelligent rolling system based on track manufacturing |
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| CN101591725A (en) * | 2009-06-25 | 2009-12-02 | 昆山龙鹰金属制品有限公司 | The production technique of band steel |
| US20100139816A1 (en) * | 2007-02-23 | 2010-06-10 | David Neal Hanlon | Cold rolled and continuously annealed high strength steel strip and method for producing said steel |
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| CN102560048A (en) * | 2010-12-17 | 2012-07-11 | 鞍钢股份有限公司 | Preparation process of ordinary oriented silicon steel |
| CN104046889A (en) * | 2014-06-09 | 2014-09-17 | 首钢总公司 | Cold-rolled continuous-annealed steel strip for guide rails and production method thereof |
| CN106166569A (en) * | 2016-07-28 | 2016-11-30 | 汉舟四川铜铝复合科技有限公司 | A kind of aftertreatment technology of copper aluminum composite material |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100139816A1 (en) * | 2007-02-23 | 2010-06-10 | David Neal Hanlon | Cold rolled and continuously annealed high strength steel strip and method for producing said steel |
| CN101591725A (en) * | 2009-06-25 | 2009-12-02 | 昆山龙鹰金属制品有限公司 | The production technique of band steel |
| CN102560048A (en) * | 2010-12-17 | 2012-07-11 | 鞍钢股份有限公司 | Preparation process of ordinary oriented silicon steel |
| CN102367547A (en) * | 2011-10-31 | 2012-03-07 | 山西太钢不锈钢股份有限公司 | Manufacture method of high-silicon aluminum content non-oriented silicon steel strip |
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| CN106166569A (en) * | 2016-07-28 | 2016-11-30 | 汉舟四川铜铝复合科技有限公司 | A kind of aftertreatment technology of copper aluminum composite material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108676974A (en) * | 2018-06-21 | 2018-10-19 | 安徽意力电缆有限公司 | A kind of processing technology of traffic track steel |
| CN114904910A (en) * | 2022-07-19 | 2022-08-16 | 西安市轨道交通集团有限公司 | Intelligent rolling system based on track manufacturing |
| CN114904910B (en) * | 2022-07-19 | 2022-10-11 | 西安市轨道交通集团有限公司 | Intelligent rolling system based on track manufacturing |
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Application publication date: 20171017 |
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