CN107881302A - A kind of processing strip method of energy stabilised quality - Google Patents
A kind of processing strip method of energy stabilised quality Download PDFInfo
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- CN107881302A CN107881302A CN201711460200.5A CN201711460200A CN107881302A CN 107881302 A CN107881302 A CN 107881302A CN 201711460200 A CN201711460200 A CN 201711460200A CN 107881302 A CN107881302 A CN 107881302A
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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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
- B21B1/24—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process
- B21B1/26—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 plates, strips, bands or sheets of indefinite length in a continuous or semi-continuous process by hot-rolling, e.g. Steckel hot mill
-
- 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
- B21B1/22—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 plates, strips, bands or sheets of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
- C21D1/32—Soft annealing, e.g. spheroidising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
- C21D8/0247—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the heat treatment
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2201/00—Special rolling modes
- B21B2201/06—Thermomechanical rolling
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to a kind of processing strip method of energy stabilised quality, comprise the following steps:Choose the hot-rolled coil that the trade mark is BJS15C;First time longitudinal shearing slitting is carried out using the first big splitting production line, slitting roll bending is made;The slitting roll bending that first time longitudinal shearing slitting is obtained carries out pickling, and pickling roll bending is made;The pickling roll bending that pickling obtains is rolled, and rolling roll bending is made;Rolling rolling roll bending is subjected to spheroidizing, and spheroidizing roll bending is made;The spheroidizing roll bending that spheroidizing is obtained carries out finish rolling, and finish rolling roll bending is made;The finish rolling roll bending that finish rolling is obtained carries out second of longitudinal shearing slitting, and slitting roll bending is made;Packaging and storage.The beneficial effects of the invention are as follows:Can stabilized product quality, raise labour productivity.
Description
Technical field
The present invention relates to strip to produce and process technical field, more particularly to a kind of processing strip method of energy stabilised quality.
Background technology
It is well known that strip is a kind of narrow and long steel plate in order to adapt to different industrial department needs and produce.Strip
Coiled supply, have the advantages that dimensional accuracy is high, surface quality is good, is easy to process, saves material, be widely used in production welding steel
Pipe, makees the fields such as the blank of cold-rolled forming section.
Influenceed by the method for current working hot-rolled strip, its strip quality produced is not sufficiently stable, and is being produced
During easily there is defective work, cause whole production efficiency than relatively low.
The content of the invention
The technical problems to be solved by the invention be to provide it is a kind of can stabilized product quality, raise labour productivity plus
The method of work hot-strip.
The technical scheme that the present invention solves above-mentioned technical problem is as follows:A kind of processing strip method of energy stabilised quality, bag
Include following steps:
Step 1: the hot-rolled coil that preparing raw material, the selection trade mark are BJS15C;
Step 2: first time longitudinal shearing slitting, the hot-rolled coil got ready in step 1 is transported into first by row device for hoisting
First time longitudinal shearing slitting is carried out on big splitting production line, and slitting roll bending is made;
Step 3: pickling, slitting roll bending that first time longitudinal shearing slitting obtains be transported into pickling by row device for hoisting produced
Pickling is carried out on line, and pickling roll bending is made;
Step 4: roll, the pickling roll bending that pickling obtains is transported on production line of rolling mill by row device for hoisting and rolled
System, and rolling roll bending is made;
Step 5: spheroidizing, rolling rolling roll bending is transported into annealing furnace/ammonia destruction furnace by row device for hoisting
Interior carry out spheroidizing, 260 DEG C are warming up at full speed first, by annealing furnace, and 0.5h-3h is incubated after being warming up to 260 DEG C, its
Annealing furnace is warming up to 400 DEG C, and be warming up to by secondary, annealing furnace after insulation 0.5h-3h at a temperature of 260 DEG C in 1h-4h
1h-3h is incubated after 400 DEG C, again, after annealing furnace is incubated 1h-3h at a temperature of 400 DEG C, annealing furnace is heated up in 1h-4h
To 580 DEG C, and 0.5h-3h is incubated after being warming up to 580 DEG C, the 4th, after annealing furnace is incubated 0.5h-3h at a temperature of 580 DEG C,
Annealing furnace is warming up to 670 DEG C in 1h-4h, and 0.5h-3h is incubated after being warming up to 670 DEG C, the 5th, annealing furnace is at 670 DEG C
At a temperature of be incubated 0.5h-3h after, annealing furnace is warming up to 680 DEG C to 700 DEG C in 1h-4h, and be warming up to 680 DEG C extremely
It is incubated 8h-16h after 700 DEG C, the 6th, after annealing furnace is incubated 8h-16h at a temperature of 680 DEG C to 700 DEG C, using furnace cooling
Mode the temperature of annealing furnace is down to 600 DEG C by 680 DEG C to 700 DEG C, the 7th, by the way of furnace cooling by annealing furnace
Temperature be down to 600 DEG C after, to annealing furnace change that cover is air-cooled, and the temperature of annealing furnace is down to 280 DEG C by 600 DEG C, the 8th,
The temperature of annealing furnace is down to 280 DEG C, by the way of water cooling, the temperature of annealing furnace is down to 80 DEG C by 280 DEG C, finally, is gone out
Stove, spheroidizing roll bending is made;
Step 6: finish rolling, the spheroidizing roll bending that spheroidizing obtains being transported to by row device for hoisting and rolls production line
Upper carry out finish rolling, and finish rolling roll bending is made;
Step 7: second of longitudinal shearing slitting, the finish rolling roll bending that finish rolling obtains is transported into small banding machine by row device for hoisting
Second of longitudinal shearing slitting of upper progress, and slitting roll bending is made;
Step 8: packaging and storage, using baling press carrying out packing bag to the slitting roll bending obtained by second of longitudinal shearing slitting
Dress.
The beneficial effects of the invention are as follows:By to rolling roll bending carry out spheroidizing when, by whole spheroidizing process
Some stages are divided into, and effectively control heating-up time, soaking time and the temperature in each stage in each stage, so as to
So that the product quality produced is stable, product qualification rate gets a promotion, so as to further improve labor productivity.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, in the step 3, when carrying out pickling, the minus tolerance of the thickness before and after soft annealing roll bending pickling is less than
0.15mm, the quantity of descaling bath are two, and the quantity of deactivation slot is one, and the quantity of neutralization chamber is one, two descaling baths
Pickling concentration is respectively 18%-22%, 15%-18%, and the sour position in two descaling baths is 380mm to 420mm, and acid liquor temperature is
53 DEG C to 72 DEG C, the pH value of neutralization chamber is 11 to 13, and the pH value of deactivation slot is 7 to 8, and the temperature value of deactivation slot is 38 DEG C to 51
DEG C, the cleaning speed of pickling lines is 5m/min to 15m/min.
It is using above-mentioned further beneficial effect:Roll bending caused oxidation during soft annealing can effectively be removed
Skin, avoid influenceing following process.
Further, in the step 5, in spheroidizing, annealing furnace is warming up to 260 DEG C at full speed, and be warming up to
0.6h-1.4h is incubated after 260 DEG C;Annealing furnace is after insulation 0.6h-1.4h at a temperature of 260 DEG C, by annealing furnace in 1.2h-3.5h
400 DEG C are inside warming up to, and 1.2h-2.5h is incubated after being warming up to 400 DEG C;Annealing furnace is incubated 1.2h- at a temperature of 400 DEG C
After 2.5h, annealing furnace is warming up to 580 DEG C in 1.2h-3.5h, and 0.6h-1.4h is incubated after being warming up to 580 DEG C;Annealing furnace
After insulation 0.6h-1.4h at a temperature of 580 DEG C, annealing furnace is warming up to 670 DEG C in 1.2h-3.5h, and be warming up to 670
0.6h-1.4h is incubated after DEG C;Annealing furnace is after insulation 0.6h-1.4h at a temperature of 670 DEG C, by annealing furnace in 1.2h-3.5h
680 DEG C to 700 DEG C are warming up to, and 9h-15h is incubated after being warming up to 680 DEG C to 700 DEG C;Annealing furnace is at 680 DEG C to 700 DEG C
At a temperature of be incubated 9h-15h after, the temperature of annealing furnace is down to 600 DEG C by 680 DEG C to 700 DEG C by the way of furnace cooling.
Further, in spheroidizing, annealing furnace is warming up to 260 DEG C at full speed, and be incubated after being warming up to 260 DEG C
0.8h-1.2h;Annealing furnace is warming up to 400 by annealing furnace after insulation 0.8h-1.2h at a temperature of 260 DEG C in 1.6h-2.5h
DEG C, and it is incubated 1.5h-2.2h after being warming up to 400 DEG C;Annealing furnace will anneal after insulation 1.5h-2.2h at a temperature of 400 DEG C
Stove is warming up to 580 DEG C in 1.6h-2.5h, and is incubated 0.8h-1.2h after being warming up to 580 DEG C;Temperature of the annealing furnace at 580 DEG C
After lower insulation 0.8h-1.2h, annealing furnace is warming up to 670 DEG C in 1.6h-2.5h, and 0.8h- is incubated after being warming up to 670 DEG C
1.2h;Annealing furnace is warming up to 680 DEG C extremely by annealing furnace after insulation 0.8h-1.2h at a temperature of 670 DEG C in 1.6h-2.5h
700 DEG C, and it is incubated 11h-13h after being warming up to 680 DEG C to 700 DEG C;Annealing furnace is incubated at a temperature of 680 DEG C to 700 DEG C
After 11h-13h, the temperature of annealing furnace is down to 600 DEG C by 680 DEG C to 700 DEG C by the way of furnace cooling.
Further, in spheroidizing, annealing furnace is warming up to 260 DEG C at full speed, and 1h is incubated after being warming up to 260 DEG C;
Annealing furnace is warming up to 400 DEG C, and be incubated after being warming up to 400 DEG C by annealing furnace after insulation 1h at a temperature of 260 DEG C in 2h
2h;Annealing furnace is warming up to 580 DEG C by annealing furnace after insulation 2h at a temperature of 400 DEG C in 2h, and after being warming up to 580 DEG C
It is incubated 1h;Annealing furnace is warming up to 670 DEG C, and be warming up to 670 by annealing furnace after insulation 1h at a temperature of 580 DEG C in 2h
1h is incubated after DEG C;After annealing furnace is incubated 1h at a temperature of 670 DEG C, annealing furnace is warming up to 680 DEG C to 700 DEG C in 2h, and
12h is incubated after being warming up to 680 DEG C to 700 DEG C;Annealing furnace is after insulation 12h at a temperature of 680 DEG C to 700 DEG C, using with stove
The temperature of annealing furnace is down to 600 DEG C by the mode of cooling by 680 DEG C to 700 DEG C.
Further, in spheroidizing, need to do detonation experiment before being heated up, it is ensured that the purity of hydrogen in ammonia destruction furnace;
In whole heating and insulating process, the difference of actual temperature value and process warm angle value is less than 15 DEG C.
Further, in whole heating and insulating process, the difference of actual temperature value and process warm angle value is less than 15 DEG C.
It is using above-mentioned further beneficial effect:The stability of spheroidizing roll bending quality can effectively be ensured.
Further, in the step 6, before finish rolling is carried out, ball that need to be first with metallographic microscope to soft annealing roll bending
Rate is detected, and carries out finish rolling by qualified annealing roll bending is detected.
Further,, need to be first with universal testing machine and hardometer before second of longitudinal shearing slitting is carried out in the step 8
The hardness of finish rolling roll bending is detected, and acceptability limit Wei≤160HV of the hardness number of finish rolling roll bending.
Further, acceptability limit Wei≤140HV of the hardness number of finish rolling roll bending.
It is using above-mentioned further beneficial effect:The parameter in production technology can be adjusted in time according to detection data
Value, it is ensured that the quality of production.
Brief description of the drawings
Fig. 1 be working hot-rolled strip of the present invention method in spheroidizing curve map.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment one:As shown in figure 1, a kind of processing strip method of energy stabilised quality, comprises the following steps:
Step 1: the hot-rolled coil that preparing raw material, the selection trade mark are BJS15C;
Step 2: first time longitudinal shearing slitting, the hot-rolled coil got ready in step 1 is transported into first by row device for hoisting
First time longitudinal shearing slitting is carried out on big splitting production line, is processed in order to facilitate subsequent handling, hot-rolled coil is in slitting, width side
To reserved 0.5mm or so surplus, the thickness tolerance of hot-rolled coil should meet GB/T709 regulation, convexity requirement:Thickness
Less than or equal to 3.0mm, convexity is less than or equal to 40 μm;Thickness is 3mm to 8.0mm, and convexity is less than or equal to 60 μm, and thickness is more than
8.0mm, convexity are less than or equal to 100 μm, and hot-rolled coil surface must not have bubble, crackle, scab, stick up skin, drawing crack and be mingled with, hot rolling
Roll bending must not have a layering, and surface allows to have slight pit within thickness deviation scope half and local deep pit, minute bubbles, light
Micro- scuffing and roll impression;Hot-rolled coil neat in edge, without zigzag, and in slitting blade datum end face bounce should be small
In equal to 0.06mm, and slitting roll bending is made;
Step 3: pickling, slitting roll bending that first time longitudinal shearing slitting obtains be transported into pickling by row device for hoisting produced
Pickling is carried out on line, and in pickling, the minus tolerance of the thickness before and after roll bending pickling is less than 0.15mm, and the quantity of descaling bath is two
Individual, the quantity of deactivation slot is one, and the quantity of neutralization chamber is one, the pickling concentration of two descaling baths be respectively 18%-22%,
15%-18%, the sour position in two descaling baths are 380mm to 420mm, and acid liquor temperature is 53 DEG C to 72 DEG C, the pH value of neutralization chamber
For 11 to 13, the pH value of deactivation slot is 7 to 8, and the temperature value of deactivation slot is 38 DEG C to 51 DEG C, and the cleaning speed of pickling lines is
Pickling roll bending is made to 15m/min in 5m/min;
Step 4: roll, the pickling roll bending that pickling obtains is transported on production line of rolling mill by row device for hoisting and rolled
System, and rolling roll bending is made, wherein, the thickness for rolling roll bending is 4mm to 5mm;
Step 5: spheroidizing, rolling rolling roll bending is transported into annealing furnace/ammonia destruction furnace by row device for hoisting
Interior carry out spheroidizing, 260 DEG C are warming up at full speed first, by annealing furnace, and 0.5h is incubated after being warming up to 260 DEG C, secondly, moved back
Annealing furnace is warming up to 400 DEG C, and be incubated after being warming up to 400 DEG C by stove after insulation 0.5h at a temperature of 260 DEG C in 1h
1h, again, after annealing furnace is incubated 1h at a temperature of 400 DEG C, annealing furnace is warming up to 580 DEG C in 1h, and be warming up to 580
It is incubated 0.5h after DEG C, the 4th, after annealing furnace is incubated 0.5h at a temperature of 580 DEG C, annealing furnace is warming up to 670 DEG C in 1h,
And 0.5h is incubated after being warming up to 670 DEG C, and the 5th, after annealing furnace is incubated 0.5h at a temperature of 670 DEG C, by annealing furnace in 1h
680 DEG C to 700 DEG C are warming up to, and 8h is incubated after being warming up to 680 DEG C to 700 DEG C, the 6th, annealing furnace is at 680 DEG C to 700 DEG C
At a temperature of be incubated 8h after, the temperature of annealing furnace is down to 600 DEG C by 680 DEG C to 700 DEG C by the way of furnace cooling, the 7th,
After the temperature of annealing furnace is down into 600 DEG C by the way of furnace cooling, it is air-cooled to annealing furnace change cover, and by annealing furnace
Temperature be down to 280 DEG C by 600 DEG C, the 8th, the temperature of annealing furnace is down to 280 DEG C, by the way of water cooling, by annealing furnace
Temperature is down to 80 DEG C by 280 DEG C, finally, comes out of the stove, and spheroidizing roll bending is made;
Step 6: finish rolling, the spheroidizing roll bending that spheroidizing obtains being transported to by row device for hoisting and rolls production line
Upper carry out finish rolling, and finish rolling roll bending is made;
Step 7: second of longitudinal shearing slitting, the finish rolling roll bending that finish rolling obtains is transported into small banding machine by row device for hoisting
Second of longitudinal shearing slitting of upper progress, and slitting roll bending is made;
Step 8: packaging and storage, using baling press carrying out packing bag to the slitting roll bending obtained by second of longitudinal shearing slitting
Dress.
Embodiment two:As shown in figure 1, a kind of processing strip method of energy stabilised quality, comprises the following steps:
Step 1: the hot-rolled coil that preparing raw material, the selection trade mark are BJS15C;
Step 2: first time longitudinal shearing slitting, the hot-rolled coil got ready in step 1 is transported into first by row device for hoisting
First time longitudinal shearing slitting is carried out on big splitting production line, is processed in order to facilitate subsequent handling, hot-rolled coil is in slitting, width side
To reserved 0.5mm or so surplus, the thickness tolerance of hot-rolled coil should meet GB/T709 regulation, convexity requirement:Thickness
Less than or equal to 3.0mm, convexity is less than or equal to 40 μm;Thickness is 3mm to 8.0mm, and convexity is less than or equal to 60 μm, and thickness is more than
8.0mm, convexity are less than or equal to 100 μm, and hot-rolled coil surface must not have bubble, crackle, scab, stick up skin, drawing crack and be mingled with, hot rolling
Roll bending must not have a layering, and surface allows to have slight pit within thickness deviation scope half and local deep pit, minute bubbles, light
Micro- scuffing and roll impression;Hot-rolled coil neat in edge, without zigzag, and in slitting blade datum end face bounce should be small
In equal to 0.06mm, and slitting roll bending is made;
Step 3: pickling, slitting roll bending that first time longitudinal shearing slitting obtains be transported into pickling by row device for hoisting produced
Pickling is carried out on line, and in pickling, the minus tolerance of the thickness before and after roll bending pickling is less than 0.15mm, and the quantity of descaling bath is two
Individual, the quantity of deactivation slot is one, and the quantity of neutralization chamber is one, the pickling concentration of two descaling baths be respectively 18%-22%,
15%-18%, the sour position in two descaling baths are 380mm to 420mm, and acid liquor temperature is 53 DEG C to 72 DEG C, the pH value of neutralization chamber
For 11 to 13, the pH value of deactivation slot is 7 to 8, and the temperature value of deactivation slot is 38 DEG C to 51 DEG C, and the cleaning speed of pickling lines is
Pickling roll bending is made to 15m/min in 5m/min;
Step 4: roll, the pickling roll bending that pickling obtains is transported on production line of rolling mill by row device for hoisting and rolled
System, and rolling roll bending is made, wherein, the thickness for rolling roll bending is 4mm to 5mm;
Step 5: spheroidizing, rolling rolling roll bending is transported into annealing furnace/ammonia destruction furnace by row device for hoisting
Interior carry out spheroidizing, 260 DEG C are warming up at full speed first, by annealing furnace, and 0.8h is incubated after being warming up to 260 DEG C, secondly, moved back
Annealing furnace is warming up to 400 DEG C, and protected after being warming up to 400 DEG C by stove after insulation 0.8h at a temperature of 260 DEG C in 1.6h
Warm 1.5h, again, after annealing furnace is incubated 1.5h at a temperature of 400 DEG C, annealing furnace is warming up to 580 DEG C in 1.6h, and
It is incubated 0.8h after being warming up to 580 DEG C, the 4th, after annealing furnace is incubated 0.8h at a temperature of 580 DEG C, annealing furnace is risen in 1.6h
Temperature and is incubated 0.8h to 670 DEG C after being warming up to 670 DEG C, and the 5th, after annealing furnace is incubated 0.8h at a temperature of 670 DEG C, will move back
Stove is warming up to 680 DEG C to 700 DEG C in 1.6h, and 11h is incubated after being warming up to 680 DEG C to 700 DEG C, and the 6th, annealing furnace exists
After being incubated 11h at a temperature of 680 DEG C to 700 DEG C, by the temperature of annealing furnace by 680 DEG C to 700 DEG C by the way of furnace cooling
It is down to 600 DEG C, the 7th, after the temperature of annealing furnace is down into 600 DEG C by the way of furnace cooling, annealing furnace is carried out to change cover
It is air-cooled, and the temperature of annealing furnace is down to 280 DEG C by 600 DEG C, the 8th, the temperature of annealing furnace is down to 280 DEG C, using water cooling
Mode, the temperature of annealing furnace is down to 80 DEG C by 280 DEG C, finally, come out of the stove, spheroidizing roll bending is made;
Step 6: finish rolling, the spheroidizing roll bending that spheroidizing obtains being transported to by row device for hoisting and rolls production line
Upper carry out finish rolling, and finish rolling roll bending is made;
Step 7: second of longitudinal shearing slitting, the finish rolling roll bending that finish rolling obtains is transported into small banding machine by row device for hoisting
Second of longitudinal shearing slitting of upper progress, and slitting roll bending is made;
Step 8: packaging and storage, using baling press carrying out packing bag to the slitting roll bending obtained by second of longitudinal shearing slitting
Dress.
Embodiment three:As shown in figure 1, a kind of processing strip method of energy stabilised quality, comprises the following steps:
Step 1: the hot-rolled coil that preparing raw material, the selection trade mark are BJS15C;
Step 2: first time longitudinal shearing slitting, the hot-rolled coil got ready in step 1 is transported into first by row device for hoisting
First time longitudinal shearing slitting is carried out on big splitting production line, is processed in order to facilitate subsequent handling, hot-rolled coil is in slitting, width side
To reserved 0.5mm or so surplus, the thickness tolerance of hot-rolled coil should meet GB/T709 regulation, convexity requirement:Thickness
Less than or equal to 3.0mm, convexity is less than or equal to 40 μm;Thickness is 3mm to 8.0mm, and convexity is less than or equal to 60 μm, and thickness is more than
8.0mm, convexity are less than or equal to 100 μm, and hot-rolled coil surface must not have bubble, crackle, scab, stick up skin, drawing crack and be mingled with, hot rolling
Roll bending must not have a layering, and surface allows to have slight pit within thickness deviation scope half and local deep pit, minute bubbles, light
Micro- scuffing and roll impression;Hot-rolled coil neat in edge, without zigzag, and in slitting blade datum end face bounce should be small
In equal to 0.06mm, and slitting roll bending is made;
Step 3: pickling, slitting roll bending that first time longitudinal shearing slitting obtains be transported into pickling by row device for hoisting produced
Pickling is carried out on line, and in pickling, the minus tolerance of the thickness before and after roll bending pickling is less than 0.15mm, and the quantity of descaling bath is two
Individual, the quantity of deactivation slot is one, and the quantity of neutralization chamber is one, the pickling concentration of two descaling baths be respectively 18%-22%,
15%-18%, the sour position in two descaling baths are 380mm to 420mm, and acid liquor temperature is 53 DEG C to 72 DEG C, the pH value of neutralization chamber
For 11 to 13, the pH value of deactivation slot is 7 to 8, and the temperature value of deactivation slot is 38 DEG C to 51 DEG C, and the cleaning speed of pickling lines is
Pickling roll bending is made to 15m/min in 5m/min;
Step 4: roll, the pickling roll bending that pickling obtains is transported on production line of rolling mill by row device for hoisting and rolled
System, and rolling roll bending is made, wherein, the thickness for rolling roll bending is 4mm to 5mm;
Step 5: spheroidizing, rolling rolling roll bending is transported into annealing furnace/ammonia destruction furnace by row device for hoisting
Interior carry out spheroidizing, 260 DEG C are warming up at full speed first, by annealing furnace, and 1.2h is incubated after being warming up to 260 DEG C, secondly, moved back
Annealing furnace is warming up to 400 DEG C, and protected after being warming up to 400 DEG C by stove after insulation 1.2h at a temperature of 260 DEG C in 2.5h
Warm 2.2h, again, after annealing furnace is incubated 2.2h at a temperature of 400 DEG C, annealing furnace is warming up to 580 DEG C in 2.5h, and
It is incubated 1.2h after being warming up to 580 DEG C, the 4th, after annealing furnace is incubated 1.2h at a temperature of 580 DEG C, annealing furnace is risen in 2.5h
Temperature and is incubated 1.2h to 670 DEG C after being warming up to 670 DEG C, and the 5th, after annealing furnace is incubated 1.2h at a temperature of 670 DEG C, will move back
Stove is warming up to 680 DEG C to 700 DEG C in 2.5h, and 13h is incubated after being warming up to 680 DEG C to 700 DEG C, and the 6th, annealing furnace exists
After being incubated 13h at a temperature of 680 DEG C to 700 DEG C, by the temperature of annealing furnace by 680 DEG C to 700 DEG C by the way of furnace cooling
It is down to 600 DEG C, the 7th, after the temperature of annealing furnace is down into 600 DEG C by the way of furnace cooling, annealing furnace is carried out to change cover
It is air-cooled, and the temperature of annealing furnace is down to 280 DEG C by 600 DEG C, the 8th, the temperature of annealing furnace is down to 280 DEG C, using water cooling
Mode, the temperature of annealing furnace is down to 80 DEG C by 280 DEG C, finally, come out of the stove, spheroidizing roll bending is made;
Step 6: finish rolling, the spheroidizing roll bending that spheroidizing obtains being transported to by row device for hoisting and rolls production line
Upper carry out finish rolling, and finish rolling roll bending is made;
Step 7: second of longitudinal shearing slitting, the finish rolling roll bending that finish rolling obtains is transported into small banding machine by row device for hoisting
Second of longitudinal shearing slitting of upper progress, and slitting roll bending is made;
Step 8: packaging and storage, using baling press carrying out packing bag to the slitting roll bending obtained by second of longitudinal shearing slitting
Dress.
Example IV:As shown in figure 1, a kind of processing strip method of energy stabilised quality, comprises the following steps:
Step 1: the hot-rolled coil that preparing raw material, the selection trade mark are BJS15C;
Step 2: first time longitudinal shearing slitting, the hot-rolled coil got ready in step 1 is transported into first by row device for hoisting
First time longitudinal shearing slitting is carried out on big splitting production line, is processed in order to facilitate subsequent handling, hot-rolled coil is in slitting, width side
To reserved 0.5mm or so surplus, the thickness tolerance of hot-rolled coil should meet GB/T709 regulation, convexity requirement:Thickness
Less than or equal to 3.0mm, convexity is less than or equal to 40 μm;Thickness is 3mm to 8.0mm, and convexity is less than or equal to 60 μm, and thickness is more than
8.0mm, convexity are less than or equal to 100 μm, and hot-rolled coil surface must not have bubble, crackle, scab, stick up skin, drawing crack and be mingled with, hot rolling
Roll bending must not have a layering, and surface allows to have slight pit within thickness deviation scope half and local deep pit, minute bubbles, light
Micro- scuffing and roll impression;Hot-rolled coil neat in edge, without zigzag, and in slitting blade datum end face bounce should be small
In equal to 0.06mm, and slitting roll bending is made;
Step 3: pickling, slitting roll bending that first time longitudinal shearing slitting obtains be transported into pickling by row device for hoisting produced
Pickling is carried out on line, and in pickling, the minus tolerance of the thickness before and after roll bending pickling is less than 0.15mm, and the quantity of descaling bath is two
Individual, the quantity of deactivation slot is one, and the quantity of neutralization chamber is one, the pickling concentration of two descaling baths be respectively 18%-22%,
15%-18%, the sour position in two descaling baths are 380mm to 420mm, and acid liquor temperature is 53 DEG C to 72 DEG C, the pH value of neutralization chamber
For 11 to 13, the pH value of deactivation slot is 7 to 8, and the temperature value of deactivation slot is 38 DEG C to 51 DEG C, and the cleaning speed of pickling lines is
Pickling roll bending is made to 15m/min in 5m/min;
Step 4: roll, the pickling roll bending that pickling obtains is transported on production line of rolling mill by row device for hoisting and rolled
System, and rolling roll bending is made, wherein, the thickness for rolling roll bending is 4mm to 5mm;
Step 5: spheroidizing, rolling rolling roll bending is transported into annealing furnace/ammonia destruction furnace by row device for hoisting
Interior carry out spheroidizing, 260 DEG C are warming up at full speed first, by annealing furnace, and 3h is incubated after being warming up to 260 DEG C, secondly, annealed
Annealing furnace is warming up to 400 DEG C by stove after insulation 3h at a temperature of 260 DEG C in 4h, and is incubated 3h after being warming up to 400 DEG C,
Again, annealing furnace is warming up to 580 DEG C, and be warming up to 580 DEG C by annealing furnace after insulation 3h at a temperature of 400 DEG C in 4h
After be incubated 3h, the 4th, after annealing furnace is incubated 3h at a temperature of 580 DEG C, annealing furnace is warming up to 670 DEG C in 4h, and rising
Temperature is to being incubated 3h after 670 DEG C, and the 5th, after annealing furnace is incubated 3h at a temperature of 670 DEG C, annealing furnace is warming up to 680 in 4h
DEG C to 700 DEG C, and 16h is incubated after being warming up to 680 DEG C to 700 DEG C, the 6th, annealing furnace protects at a temperature of 680 DEG C to 700 DEG C
After warm 16h, the temperature of annealing furnace is down to 600 DEG C by 680 DEG C to 700 DEG C by the way of furnace cooling, the 7th, using with
After the temperature of annealing furnace is down to 600 DEG C by the mode of stove cooling, to annealing furnace change that cover is air-cooled, and by the temperature of annealing furnace by
600 DEG C are down to 280 DEG C, the 8th, the temperature of annealing furnace is down to 280 DEG C, by the way of water cooling, by the temperature of annealing furnace by
280 DEG C are down to 80 DEG C, finally, are come out of the stove, and spheroidizing roll bending is made;
Step 6: finish rolling, the spheroidizing roll bending that spheroidizing obtains being transported to by row device for hoisting and rolls production line
Upper carry out finish rolling, and finish rolling roll bending is made;
Step 7: second of longitudinal shearing slitting, the finish rolling roll bending that finish rolling obtains is transported into small banding machine by row device for hoisting
Second of longitudinal shearing slitting of upper progress, and slitting roll bending is made;
Step 8: packaging and storage, using baling press carrying out packing bag to the slitting roll bending obtained by second of longitudinal shearing slitting
Dress.
Embodiment five:As shown in figure 1, a kind of processing strip method of energy stabilised quality, comprises the following steps:
Step 1: the hot-rolled coil that preparing raw material, the selection trade mark are BJS15C;
Step 2: first time longitudinal shearing slitting, the hot-rolled coil got ready in step 1 is transported into first by row device for hoisting
First time longitudinal shearing slitting is carried out on big splitting production line, is processed in order to facilitate subsequent handling, hot-rolled coil is in slitting, width side
To reserved 0.5mm or so surplus, the thickness tolerance of hot-rolled coil should meet GB/T709 regulation, convexity requirement:Thickness
Less than or equal to 3.0mm, convexity is less than or equal to 40 μm;Thickness is 3mm to 8.0mm, and convexity is less than or equal to 60 μm, and thickness is more than
8.0mm, convexity are less than or equal to 100 μm, and hot-rolled coil surface must not have bubble, crackle, scab, stick up skin, drawing crack and be mingled with, hot rolling
Roll bending must not have a layering, and surface allows to have slight pit within thickness deviation scope half and local deep pit, minute bubbles, light
Micro- scuffing and roll impression;Hot-rolled coil neat in edge, without zigzag, and in slitting blade datum end face bounce should be small
In equal to 0.06mm, and slitting roll bending is made;
Step 3: pickling, slitting roll bending that first time longitudinal shearing slitting obtains be transported into pickling by row device for hoisting produced
Pickling is carried out on line, and in pickling, the minus tolerance of the thickness before and after roll bending pickling is less than 0.15mm, and the quantity of descaling bath is two
Individual, the quantity of deactivation slot is one, and the quantity of neutralization chamber is one, the pickling concentration of two descaling baths be respectively 18%-22%,
15%-18%, the sour position in two descaling baths are 380mm to 420mm, and acid liquor temperature is 53 DEG C to 72 DEG C, the pH value of neutralization chamber
For 11 to 13, the pH value of deactivation slot is 7 to 8, and the temperature value of deactivation slot is 38 DEG C to 51 DEG C, and the cleaning speed of pickling lines is
Pickling roll bending is made to 15m/min in 5m/min;
Step 4: roll, the pickling roll bending that pickling obtains is transported on production line of rolling mill by row device for hoisting and rolled
System, and rolling roll bending is made, wherein, the thickness for rolling roll bending is 4mm to 5mm;
Step 5: spheroidizing, rolling rolling roll bending is transported into annealing furnace/ammonia destruction furnace by row device for hoisting
Interior carry out spheroidizing, 260 DEG C are warming up at full speed first, by annealing furnace, and 1h is incubated after being warming up to 260 DEG C, secondly, annealed
Annealing furnace is warming up to 400 DEG C by stove after insulation 1h at a temperature of 260 DEG C in 2h, and is incubated 2h after being warming up to 400 DEG C,
Again, annealing furnace is warming up to 580 DEG C, and be warming up to 580 DEG C by annealing furnace after insulation 2h at a temperature of 400 DEG C in 2h
After be incubated 1h, the 4th, after annealing furnace is incubated 1h at a temperature of 580 DEG C, annealing furnace is warming up to 670 DEG C in 2h, and rising
Temperature is to being incubated 1h after 670 DEG C, and the 5th, after annealing furnace is incubated 1h at a temperature of 670 DEG C, annealing furnace is warming up to 680 in 2h
DEG C to 700 DEG C, and 12h is incubated after being warming up to 680 DEG C to 700 DEG C, the 6th, annealing furnace protects at a temperature of 680 DEG C to 700 DEG C
After warm 12h, the temperature of annealing furnace is down to 600 DEG C by 680 DEG C to 700 DEG C by the way of furnace cooling, the 7th, using with
After the temperature of annealing furnace is down to 600 DEG C by the mode of stove cooling, to annealing furnace change that cover is air-cooled, and by the temperature of annealing furnace by
600 DEG C are down to 280 DEG C, the 8th, the temperature of annealing furnace is down to 280 DEG C, by the way of water cooling, by the temperature of annealing furnace by
280 DEG C are down to 80 DEG C, finally, are come out of the stove, and spheroidizing roll bending is made;
Step 6: finish rolling, the spheroidizing roll bending that spheroidizing obtains being transported to by row device for hoisting and rolls production line
Upper carry out finish rolling, and finish rolling roll bending is made;
Step 7: second of longitudinal shearing slitting, the finish rolling roll bending that finish rolling obtains is transported into small banding machine by row device for hoisting
Second of longitudinal shearing slitting of upper progress, and slitting roll bending is made;
Step 8: packaging and storage, using baling press carrying out packing bag to the slitting roll bending obtained by second of longitudinal shearing slitting
Dress.
In the present invention, it is preferred to the technical scheme of embodiment five, according to the thickness of corresponding rolling roll bending, is formulated specific
The operating process of spheroidizing, so as to effectively control the stability for the product quality produced, and the performance of product, when
When the thickness of rolling roll bending changes, the operating process of spheroidizing is also required to change.
Need to do detonation experiment before being heated up, it is ensured that the purity of hydrogen in ammonia destruction furnace;Heat up and be incubated entirely
Cheng Zhong, the difference of actual temperature value and process warm angle value are less than 15 DEG C.
Before finish rolling is carried out, the Oxygen potential of soft annealing roll bending need to be detected first with metallographic microscope, and will inspection
Survey qualified annealing roll bending and carry out finish rolling.
Before second of longitudinal shearing slitting is carried out, the hardness of finish rolling roll bending need to be carried out first with universal testing machine and hardometer
Detection, and acceptability limit Wei≤140HV of the hardness number of finish rolling roll bending, after hardness determination is qualified, finish rolling roll bending is carried out
Metallographic detects, and wherein metallographic testing result information only refers to, and hardness is qualified, and to treat as metallographic qualified.
In spheroidizing, need to do detonation experiment before being heated up, it is ensured that the purity of hydrogen in ammonia destruction furnace;Entirely rising
In temperature and insulating process, the difference of actual temperature value and process warm angle value is less than 15 DEG C, and actual temperature value is measured by thermocouple, inspection
The frequency of survey is 1 time/1h, in addition, can suitably increase insulation platform in temperature-rise period, to meet theoretical raising speed.
When carrying out second of longitudinal shearing slitting need on slitting roll bending antirust oil;When carrying out the second longitudinal shearing slitting, hot rolling
Roll bending surface must not have bubble, crackle, scab, stick up skin, drawing crack and be mingled with, and hot-rolled coil must not have layering, and surface allows have thickness
Slight pit and local deep pit, minute bubbles, slight scuffing and the roll impression spent within margin of tolerance half;Hot rolled coil edges of boards
Edge is neat, without zigzag, and the bounce of blade datum end face should be less than or equal to 0.06mm.
When being rolled, resulting rolling roll bending surface is without sticking up skin, pit, pit, yellow rust, scale, scuffing, template
It is straight;Edge:Without plucking, broken side.The surface for the slitting roll bending that second of longitudinal shearing slitting obtains is without sticking up skin, pit, pit, water
Rust, scuffing, Huang becomes rusty, imprinted, plate shape is straight, edge is without broken side;Needed when carrying out second of longitudinal shearing slitting toward on slitting roll bending
Antirust oil.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (10)
- A kind of 1. processing strip method of energy stabilised quality, it is characterised in that comprise the following steps:Step 1: the hot-rolled coil that preparing raw material, the selection trade mark are BJS15C;Step 2: first time longitudinal shearing slitting, that by row device for hoisting the hot-rolled coil got ready in step 1 is transported into first is big vertical Progress first time longitudinal shearing slitting on production line is cut, and slitting roll bending is made;Step 3: pickling, the slitting roll bending that first time longitudinal shearing slitting obtains is transported on pickling lines by row device for hoisting Pickling is carried out, and pickling roll bending is made;Step 4: rolling, the pickling roll bending that pickling obtains is transported on production line of rolling mill by row device for hoisting rolled, and Rolling roll bending is made;Step 5: spheroidizing, rolling rolling roll bending is transported in annealing furnace/ammonia destruction furnace by row device for hoisting Row spheroidizing, 260 DEG C are warming up at full speed first, by annealing furnace, and 0.5h-3h is incubated after being warming up to 260 DEG C, secondly, moved back Annealing furnace is warming up to 400 DEG C, and be warming up to 400 DEG C by stove after insulation 0.5h-3h at a temperature of 260 DEG C in 1h-4h After be incubated 1h-3h, again, after annealing furnace is incubated 1h-3h at a temperature of 400 DEG C, annealing furnace is warming up to 580 in 1h-4h DEG C, and 0.5h-3h is incubated after being warming up to 580 DEG C, the 4th, after annealing furnace is incubated 0.5h-3h at a temperature of 580 DEG C, will move back Stove is warming up to 670 DEG C in 1h-4h, and 0.5h-3h is incubated after being warming up to 670 DEG C, and the 5th, temperature of the annealing furnace at 670 DEG C After the lower insulation 0.5h-0.8h of degree, annealing furnace is warming up to 680 DEG C to 700 DEG C in 1.6h-4h, and be warming up to 680 DEG C extremely It is incubated 11h-16h after 700 DEG C, the 6th, after annealing furnace is incubated 11h-16h at a temperature of 680 DEG C to 700 DEG C, using cold with stove The temperature of annealing furnace is down to 600 DEG C by mode but by 680 DEG C to 700 DEG C, and the 7th, will annealing by the way of furnace cooling After the temperature of stove is down to 600 DEG C, to annealing furnace change that cover is air-cooled, and the temperature of annealing furnace is down to 280 DEG C by 600 DEG C, 8th, the temperature of annealing furnace is down to 280 DEG C, by the way of water cooling, the temperature of annealing furnace is down to 80 DEG C by 280 DEG C, last, Come out of the stove, spheroidizing roll bending is made;Step 6: finish rolling, spheroidizing roll bending that spheroidizing obtains to be transported to by row device for hoisting to roll production line enterprising Row finish rolling, and finish rolling roll bending is made;Step 7: second of longitudinal shearing slitting, that by row device for hoisting finish rolling roll bending that finish rolling obtains is transported into small banding machine is enterprising Second of longitudinal shearing slitting of row, and slitting roll bending is made;Step 8: packaging and storage, using baling press carrying out packing packaging to the slitting roll bending obtained by second of longitudinal shearing slitting.
- A kind of 2. processing strip method of energy stabilised quality according to claim 1, it is characterised in that the step 3 In, when carrying out pickling, the minus tolerance of the thickness before and after soft annealing roll bending pickling is less than 0.15mm, and the quantity of descaling bath is two Individual, the quantity of deactivation slot is one, and the quantity of neutralization chamber is one, the pickling concentration of two descaling baths be respectively 18%-22%, 15%-18%, the sour position in two descaling baths are 380mm to 420mm, and acid liquor temperature is 53 DEG C to 72 DEG C, the pH value of neutralization chamber For 11 to 13, the pH value of deactivation slot is 7 to 8, and the temperature value of deactivation slot is 38 DEG C to 51 DEG C, and the cleaning speed of pickling lines is 5m/min to 15m/min.
- A kind of 3. processing strip method of energy stabilised quality according to claim 1, it is characterised in that the step 5 In, in spheroidizing, annealing furnace is warming up to 260 DEG C at full speed, and 0.6h-1.4h is incubated after being warming up to 260 DEG C;Annealing furnace After insulation 0.6h-1.4h at a temperature of 260 DEG C, annealing furnace is warming up to 400 DEG C in 1.2h-3.5h, and be warming up to 400 1.2h-2.5h is incubated after DEG C;Annealing furnace is after insulation 1.2h-2.5h at a temperature of 400 DEG C, by annealing furnace in 1.2h-3.5h 580 DEG C are warming up to, and 0.6h-1.4h is incubated after being warming up to 580 DEG C;Annealing furnace is incubated 0.6h-1.4h at a temperature of 580 DEG C Afterwards, annealing furnace is warming up to 670 DEG C in 1.2h-3.5h, and 0.6h-1.4h is incubated after being warming up to 670 DEG C;Annealing furnace exists After being incubated 0.6h-1.4h at a temperature of 670 DEG C, annealing furnace is warming up to 680 DEG C to 700 DEG C in 1.2h-3.5h, and heating up 9h-15h is incubated after to 680 DEG C to 700 DEG C;Annealing furnace is after insulation 9h-15h at a temperature of 680 DEG C to 700 DEG C, using with stove The temperature of annealing furnace is down to 600 DEG C by the mode of cooling by 680 DEG C to 700 DEG C.
- 4. the processing strip method of a kind of energy stabilised quality according to claim 3, it is characterised in that in spheroidizing When, annealing furnace is warming up to 260 DEG C at full speed, and 0.8h-1.2h is incubated after being warming up to 260 DEG C;Temperature of the annealing furnace at 260 DEG C After lower insulation 0.8h-1.2h, annealing furnace is warming up to 400 DEG C in 1.6h-2.5h, and 1.5h- is incubated after being warming up to 400 DEG C 2.2h;After annealing furnace is incubated 1.5h-2.2h at a temperature of 400 DEG C, annealing furnace is warming up to 580 DEG C in 1.6h-2.5h, and 0.8h-1.2h is incubated after being warming up to 580 DEG C;Annealing furnace exists annealing furnace after insulation 0.8h-1.2h at a temperature of 580 DEG C 670 DEG C are warming up in 1.6h-2.5h, and 0.8h-1.2h is incubated after being warming up to 670 DEG C;Annealing furnace is protected at a temperature of 670 DEG C After warm 0.8h-1.2h, annealing furnace is warming up to 680 DEG C to 700 DEG C in 1.6h-2.5h, and be warming up to 680 DEG C to 700 DEG C After be incubated 11h-13h;Annealing furnace, will by the way of furnace cooling after insulation 11h-13h at a temperature of 680 DEG C to 700 DEG C The temperature of annealing furnace is down to 600 DEG C by 680 DEG C to 700 DEG C.
- 5. the processing strip method of a kind of energy stabilised quality according to claim 4, it is characterised in that in spheroidizing When, annealing furnace is warming up to 260 DEG C at full speed, and 1h is incubated after being warming up to 260 DEG C;Annealing furnace is incubated at a temperature of 260 DEG C After 1h, annealing furnace is warming up to 400 DEG C in 2h, and 2h is incubated after being warming up to 400 DEG C;Annealing furnace is at a temperature of 400 DEG C After being incubated 2h, annealing furnace is warming up to 580 DEG C in 2h, and 1h is incubated after being warming up to 580 DEG C;Temperature of the annealing furnace at 580 DEG C After the lower insulation 1h of degree, annealing furnace is warming up to 670 DEG C in 2h, and 1h is incubated after being warming up to 670 DEG C;Annealing furnace is at 670 DEG C At a temperature of be incubated 1h after, annealing furnace is warming up to 680 DEG C to 700 DEG C in 2h, and protected after being warming up to 680 DEG C to 700 DEG C Warm 12h;Annealing furnace is after insulation 12h at a temperature of 680 DEG C to 700 DEG C, by the temperature of annealing furnace by the way of furnace cooling 600 DEG C are down to by 680 DEG C to 700 DEG C.
- A kind of 6. processing strip method of energy stabilised quality according to claim 1 or 3 or 4 or 5, it is characterised in that Need to do detonation experiment before being heated up, it is ensured that the purity of hydrogen in ammonia destruction furnace;In whole heating and insulating process, actual temperature The difference of angle value and process warm angle value is less than 20 DEG C.
- 7. it is according to claim 6 it is a kind of can stabilised quality processing strip method, it is characterised in that in whole heating and In insulating process, the difference of actual temperature value and process warm angle value is less than 15 DEG C.
- A kind of 8. processing strip method of energy stabilised quality according to claim 1, it is characterised in that the step 6 In, before finish rolling is carried out, the Oxygen potential of soft annealing roll bending need to be detected first with metallographic microscope, and will detect it is qualified Annealing roll bending carry out finish rolling.
- A kind of 9. processing strip method of energy stabilised quality according to claim 1, it is characterised in that the step 8 In, before second of longitudinal shearing slitting is carried out, the hardness of finish rolling roll bending need to be detected first with universal testing machine and hardometer, And acceptability limit Wei≤160HV of the hardness number of finish rolling roll bending.
- 10. the processing strip method of a kind of energy stabilised quality according to claim 9, it is characterised in that finish rolling roll bending Acceptability limit Wei≤140HV of hardness number.
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1709597A (en) * | 2005-07-22 | 2005-12-21 | 濮德兴 | High-precision very-thin special-wide cold-rolled steel band and its working process |
CN1861389A (en) * | 2006-06-13 | 2006-11-15 | 无锡市永鑫精密钢带厂 | High precision composite nickel steel band and its prodn. technique |
CN101307378A (en) * | 2008-07-03 | 2008-11-19 | 山西太钢不锈钢股份有限公司 | Spheroidizing annealing process for medium carbon steel plate in bell furnace |
JP4299435B2 (en) * | 2000-04-05 | 2009-07-22 | 新日本製鐵株式会社 | Manufacturing method of hot-rolled steel sheet |
CN101845601A (en) * | 2009-03-26 | 2010-09-29 | 上海祝桥金属冲压延有限公司 | Ultrahigh strength cold rolled steel strip for automobile seat |
CN105274308A (en) * | 2015-10-27 | 2016-01-27 | 江苏丰东热技术股份有限公司 | Vacuum isothermal spheroidizing process for automobile engine cam |
CN105567948A (en) * | 2015-12-31 | 2016-05-11 | 江苏创泰特钢制品有限公司 | Spheroidizing annealing temperature control process of cold-rolled steel coil |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5050433B2 (en) * | 2005-10-05 | 2012-10-17 | Jfeスチール株式会社 | Method for producing extremely soft high carbon hot-rolled steel sheet |
JP5392857B2 (en) * | 2011-01-24 | 2014-01-22 | 日新製鋼株式会社 | Manufacturing method for medium and high carbon steel sheets with excellent machinability |
CN103014261B (en) * | 2012-11-27 | 2015-04-08 | 大连经济技术开发区圣洁真空技术开发有限公司 | Link plate balling and annealing technology |
CN103014265A (en) * | 2012-11-27 | 2013-04-03 | 大连经济技术开发区圣洁真空技术开发有限公司 | Spheroidizing annealing process for bearing steel |
CN105200308B (en) * | 2014-05-28 | 2017-05-31 | 宝山钢铁股份有限公司 | Fine steel and its governor motion fine parts manufacture method |
CN105234171B (en) * | 2015-09-17 | 2017-11-07 | 武汉钢铁江北集团精密带钢有限公司 | A kind of 4B cold rolled precisions steel band and its manufacture method |
CN105543461A (en) * | 2015-12-30 | 2016-05-04 | 苏州翔楼金属制品有限公司 | Thermal treatment process for cold-rolled steel strip S50C for automobile flywheel disc |
-
2016
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- 2016-08-29 CN CN201711460200.5A patent/CN107881302A/en active Pending
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Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4299435B2 (en) * | 2000-04-05 | 2009-07-22 | 新日本製鐵株式会社 | Manufacturing method of hot-rolled steel sheet |
CN1709597A (en) * | 2005-07-22 | 2005-12-21 | 濮德兴 | High-precision very-thin special-wide cold-rolled steel band and its working process |
CN1861389A (en) * | 2006-06-13 | 2006-11-15 | 无锡市永鑫精密钢带厂 | High precision composite nickel steel band and its prodn. technique |
CN101307378A (en) * | 2008-07-03 | 2008-11-19 | 山西太钢不锈钢股份有限公司 | Spheroidizing annealing process for medium carbon steel plate in bell furnace |
CN101845601A (en) * | 2009-03-26 | 2010-09-29 | 上海祝桥金属冲压延有限公司 | Ultrahigh strength cold rolled steel strip for automobile seat |
CN105274308A (en) * | 2015-10-27 | 2016-01-27 | 江苏丰东热技术股份有限公司 | Vacuum isothermal spheroidizing process for automobile engine cam |
CN105567948A (en) * | 2015-12-31 | 2016-05-11 | 江苏创泰特钢制品有限公司 | Spheroidizing annealing temperature control process of cold-rolled steel coil |
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CN108193027B (en) | 2019-08-23 |
CN108193027A (en) | 2018-06-22 |
CN106140812B (en) | 2018-10-09 |
CN106140812A (en) | 2016-11-23 |
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