CN102699019B - A kind of communications industry half-etching precise stainless steel strip, its production technology and uses thereof - Google Patents

A kind of communications industry half-etching precise stainless steel strip, its production technology and uses thereof Download PDF

Info

Publication number
CN102699019B
CN102699019B CN201210121959.1A CN201210121959A CN102699019B CN 102699019 B CN102699019 B CN 102699019B CN 201210121959 A CN201210121959 A CN 201210121959A CN 102699019 B CN102699019 B CN 102699019B
Authority
CN
China
Prior art keywords
techniques
passage
finish rolling
rolling
stainless steel
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.)
Active
Application number
CN201210121959.1A
Other languages
Chinese (zh)
Other versions
CN102699019A (en
Inventor
濮晓芳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
YONGXIN PRECISION MATERIAL (WUXI) CO Ltd
Original Assignee
YONGXIN PRECISION MATERIAL (WUXI) CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by YONGXIN PRECISION MATERIAL (WUXI) CO Ltd filed Critical YONGXIN PRECISION MATERIAL (WUXI) CO Ltd
Priority to CN201210121959.1A priority Critical patent/CN102699019B/en
Publication of CN102699019A publication Critical patent/CN102699019A/en
Application granted granted Critical
Publication of CN102699019B publication Critical patent/CN102699019B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Metal Rolling (AREA)

Abstract

The present invention relates to a kind of production method of half-etching precise stainless steel strip, comprise the steps: that half finish rolling, cleaning by degreasing oven dry, solution heat treatment, tension force rewinding, finish rolling system, cleaning by degreasing drying, micro-extension stretch bending rectify bundling.By the enforcement of above-mentioned process technology scheme, make the product thickness tolerance grade of production higher, fluctuate very little, surface-brightening and roughness uniform colorless is poor, plate shape is smooth, stable mechanical performance, particularly not yielding after half-etching, meet the needs of communications industry manufacturing intelligence mobile phone.

Description

A kind of communications industry half-etching precise stainless steel strip, its production technology and uses thereof
Technical field
The present invention relates to precise stainless steel strip field, particularly, the present invention relates to a kind of half-etching precise stainless steel strip, its production technology and uses thereof.
Background technology
With a kind of metallic article that steel is common.Precise stainless steel strip is the steel band kind that a kind of technology content is very high, and it can not only have accurate size, and the mechanical performance index required by ensureing, the thickness of its finished steel sheet can be as thin as 0.02mm, and width can reach 1250mm; Hardness (Vickers) can be controlled in 135 ~ 600 scopes.
Precise stainless steel strip (referring generally to the product that thickness is less than below 0.5mm) is widely used in the industry that information technology, computer, auto parts and components, medical treatment, metal hose, semiconductor etc. have specific demand, is a kind of high value-added product.Therefore, the production carrying out precise stainless steel strip has very wide prospect.
Communications industry precise stainless steel strip often needs in use by half-etching process.Etching (etching) is technology materials'use chemical reaction or physical shock effect removed.Half-etching process often causes the distortion of precise stainless steel strip, and this is in precise stainless steel strip production process, need the difficult problem overcome badly.
The current communications industry adopts multi-roll mill rolling, bright annealing heat treatment for the production of the precise stainless steel strip major part of various mobile phone, and adopts auxiliary equipment to carry out straightening to improve plate shape glacing flatness.
CN 101869911 A discloses a kind of production technology for producing high-grade Cellphone Accessories precise stainless steel strip, this technique comprises: first time rewinding, first time cold rolling, first time spray degreasing, first time heat water-spraying, first time hot-air seasoning, cold rolling, the second time spray degreasing of solid solution, second time rewinding, second time, second time heat water-spraying, second time hot-air seasoning, the operation such as stretch-bending straightening and cutting, be suitable for suitability for industrialized production, meet the requirement of electron trade high-quality, the stainless steel band obtained is highly suitable on high-grade mobile phone and uses.
CN 101716595 A adopts the rolling mill practice of 20 roller sendzimir mills and uniqueness to carry out cold rolling, through techniques such as degreasing, solution treatment, stretch-bending straightenings, produces a kind of accurate stainless steel band applied in electronic industry.Its product thickness tolerance variations is little, stable performance, surface color and roughness uniformity no color differnece, plate shape good straightness degree, is suitable for suitability for industrialized production, meets the requirement of electron trade high-quality.
Precise stainless steel strip easy gross distortion when half-etching punching press that above two kinds of methods are produced, causes part rejection, can not meet the requirement of the production of accurate stainless steel parts completely.
Summary of the invention
For the deficiencies in the prior art, an object of the present invention is the production technology providing a kind of on-deformable precise stainless steel strip after half-etching, comprises the following steps:
(1) half finish rolling system: be that the soft state cold-rolling stainless steel stock roll of 0.50 ~ 1.80mm carries out half finish rolling system to 2B surface, thickness, stainless steel stock roll through more than 2 passes to 0.128 ~ 0.80mm thickness; First passage backward pull is 10 ~ 40kg/mm 2, the first passage forward pull is 15 ~ 45kg/mm 2, the forward and backward tension force of each passage increases progressively principle by by passage afterwards, independently be 15 ~ 70kg/mm 2;
(2) degreaser drying: the stainless steel band that step (1) obtains is carried out uncoiling, degreasing, dry;
(3) solution heat treatment: the stainless-steel roll that step (2) obtains is carried out solution heat treatment at 900 ~ 1300 DEG C;
(4) rewinding: the stainless steel band that step (3) obtains is carried out rewinding;
(5) finish rolling system: the stainless steel band that step (4) obtains carry out finish rolling system, the stainless steel band of 0.128 ~ 0.80mm thickness through more than 3 passes to 0.10 ~ 0.60mm; Except all the other passage backward pulls of final pass are 10 ~ 30kg/mm 2, forward pull is 12 ~ 33kg/mm 2; Take small tension receiving coil calendering technology before and after final pass, front and back tension force is independently 5 ~ 20kg/mm 2;
(6) degreaser drying: the stainless steel band that step (5) obtains is carried out degreasing, dry;
(7) micro-extension stretch-bending straightening: adopt permanent extension mode to carry out stretch-bending straightening, percentage elongation is less than 0.10%, then bundling.
Described in step (1), soft state cold-rolling stainless steel stock roll thickness is 0.55 ~ 1.70mm, more preferably 0.58 ~ 1.60mm, is particularly preferably 0.60 ~ 1.50mm.
Described in step (1), soft state cold-rolling stainless steel stock roll width is below 1300mm, such as: 10mm, 50mm, 100mm, 200mm, 300mm, 500mm, 600mm, 800mm, 900mm, 1000mm, 1100mm, 1200mm, 1250mm, 1280mm, 1290mm, 1295mm, 1298mm, 1299mm etc., more preferably 500 ~ 1300mm, is particularly preferably 1000 ~ 1250mm.
The middle material choosing described soft state cold-rolling stainless steel stock roll in step (1) involves in row half finish rolling system; In the middle of described, material volume refers to, by final requirement width sub-cut material volume, material volume in the middle of choosing, such as: if material being rolled up sub-cut is successively A, B, C tri-sections, chooses B material volume, as shown in Figure 2.
Described in step (1), half finish rolling system adopts Sendzimir 20 high mill.
Described in step (1), working roll hardness is HRC55 ~ 68, more preferably HRC58 ~ 65, is particularly preferably HRC60 ~ 62.
Described in step (1), working roll roll surface roughness is less than Ra0.80 μm, and more preferably Ra0.05 ~ 0.70 μm, is particularly preferably Ra0.10 ~ 0.60 μm.
Half finish rolling system described in step (1) adopts mineral matter ROLLING OIL to carry out cooling and lubricating; Described mineral matter ROLLING OIL refers to the ROLLING OIL extracted from oil by physics distillating method.
Described in step (1), during half finish rolling, rolling oil temperature is 10 ~ 70 DEG C, more preferably 15 ~ 60 DEG C, is more preferably 20 ~ 55 DEG C, is particularly preferably 25 ~ 50 DEG C.
Described in step (1), half smart rolling pass number is more than 3, such as 4,5,6,10,15 etc.
After half finish rolling system described in step (1), the thickness of stainless-steel roll is 0.25 ~ 0.70mm, more preferably 0.30 ~ 0.65mm, is particularly preferably 0.37 ~ 0.62mm.
Described in step (1), half finish rolling system first passage backward pull is 15 ~ 35kg/mm 2, be particularly preferably 20 ~ 28kg/mm 2.
Described in step (1), half finish rolling system first passage forward pull is 20 ~ 35kg/mm 2, be particularly preferably 23 ~ 31kg/mm 2.
Described in step (1), half finish rolling system first passage mill speed is 60 ~ 130 ms/min, more preferably 70 ~ 110 ms/min, is particularly preferably 80 ~ 100 ms/min.
The forward and backward tension force of each passage that described in step (1), half finish rolling system second passage rises increases progressively principle by by passage, independently be 25 ~ 60kg/mm 2, be particularly preferably 30 ~ 50kg/mm 2.
Each pass speed that described in step (1), the second passage of half finish rolling rises is independently 110 ~ 320 ms/min, more preferably 130 ~ 300 ms/min, is particularly preferably 150 ~ 280 ms/min.
The steel band entire volume lining paper protection of last passage of half finish rolling described in step (1), to avoid dampening steel strip surface.
Degreasing described in step (2) adds hairbrush cleaning by spray and carries out.
Described in step (2), degreasing is carried out in degreasing case.
In step (2), degreasing agent used is alkaline defatting agent, and the S5160 concentration being particularly preferably the production of Shanghai Kai Miteer Chemical Company is the aqueous solution of 9g/L ~ 11g/L.
In step (2), during spray degreasing, solution temperature is 35 ~ 95 DEG C, more preferably 50 ~ 90 DEG C, is particularly preferably 60 ~ 80 DEG C.
Clean after degreasing described in step (2); Preferably, described cleaning is cleaning showers; Preferably, described cleaning showers adopts hot water to carry out; Preferred described hot water temperature is 25 ~ 90 DEG C, such as: 26 DEG C, 27 DEG C, 30 DEG C, 32 DEG C, 38 DEG C, 40 DEG C, 50 DEG C, 55 DEG C, 65 DEG C, 75 DEG C, 85 DEG C, 88 DEG C, 89 DEG C, 89.5 DEG C etc., more preferably 35 ~ 70 DEG C, be particularly preferably 45 ~ 60 DEG C.
Described in step (2), drying is hot-air seasoning; Preferably, described hot blast temperature is 80 DEG C ~ 200 DEG C, such as: 81 DEG C, 82 DEG C, 83 DEG C, 89 DEG C, 91 DEG C, 99 DEG C, 101 DEG C, 119 DEG C, 149 DEG C, 150 DEG C, 160 DEG C, 180 DEG C, 190 DEG C, 195 DEG C, 198 DEG C, 199 DEG C etc., more preferably 90 ~ 150 DEG C, be particularly preferably 100 ~ 120 DEG C.
Described in step (2), degreasing speed is less than 25 ms/min, such as: 0.01 m/min, 0.1 m/min, 0.5 m/min, 1 m/min, 6 ms/min, 10 ms/min, 18 ms/min, 23 ms/min, 24 ms/min, 24.8 ms/min, 24.9 ms/min etc., more preferably 3 ~ 20 ms/min, be particularly preferably 5 ~ 15 ms/min.
Described in step (2), cleaning speed is less than 25 ms/min, such as: 0.01 m/min, 0.1 m/min, 0.5 m/min, 1 m/min, 6 ms/min, 10 ms/min, 18 ms/min, 23 ms/min, 24 ms/min, 24.8 ms/min, 24.9 ms/min etc., more preferably 3 ~ 20 ms/min, be particularly preferably 5 ~ 15 ms/min.
Described in step (3), solution heat treatment temperature is 1000 ~ 1200 DEG C, is particularly preferably 1100 ~ 1150 DEG C.
Solution heat treatment described in step (3) adopts horizontal continuous bright annealing furnace to carry out.
Described in step (3), solution heat treatment is carried out under reproducibility and/or inert gas shielding, protects steel band, guarantees the steel strip surface non-oxidizing bright after heat treatment, and particularly preferably protecting gas to be volume content is 25%N 2and 75%H 2ammonolysis craft gas; Described inert gas is the combination of in nitrogen, helium, argon gas, Krypton, xenon a kind or at least 2 kinds.
Described in step (3), the annealing speed of solution heat treatment is preferably less than 25 ms/min, such as: 0.1 m/min, 0.2 m/min, 0.5 m/min, 1 m/min, 2 ms/min, 4 ms/min, 8 ms/min, 10 ms/min, 14 ms/min, 16 ms/min, 18 ms/min, 22 ms/min, 24 ms/min, 24.8 ms/min, 24.9 ms/min etc., more preferably 3 ~ 20 ms/min, be particularly preferably 5 ~ 15 ms/min.
Described in step (3) during solution heat treatment rolling entire volume lining paper in case steel strip surface dampen.
Described in step (4), rewinding tension force is 100 ~ 3300kg, more preferably 220 ~ 3100kg, is particularly preferably 300 ~ 3000kg.
Described in step (4), rewinding speed is less than 200 ms/min, such as: 0.1 m/min, 0.2 m/min, 0.3 m/min, 1 m/min, 4 ms/min, 6 ms/min, 9 ms/min, 20 ms/min, 50 ms/min, 80 ms/min, 100 ms/min, 130 ms/min, 180 ms/min, 195 ms/min, 198 ms/min, 199 ms/min, 199.8 ms/min, 199.9 ms/min etc., more preferably 5 ~ 150 ms/min, be particularly preferably 10 ~ 120 ms/min.
After finish rolling system described in step (5), the thickness of stainless-steel roll is 0.20 ~ 0.60mm, more preferably 0.25 ~ 0.55mm, is particularly preferably 0.30 ~ 0.50mm.
The backward pull that finish rolling system described in step (5) removes other passage of final pass is 13 ~ 25kg/mm 2, be particularly preferably 15 ~ 20kg/mm 2.
The forward pull that finish rolling system described in step (5) removes other passage of final pass is 15 ~ 25kg/mm 2, be particularly preferably 18 ~ 23kg/mm 2.
Before and after finish rolling final pass described in step (5), tension force is independently 8 ~ 20kg/mm 2, be particularly preferably 10 ~ 18kg/mm 2.
Finish rolling system described in step (5) adopts Sendzimir 20 high mill.
Described in step (5), working roll hardness is HRC55 ~ 68, more preferably HRC58 ~ 65, is particularly preferably HRC60 ~ 62.
Finish rolling system described in step (5) adopts mineral matter ROLLING OIL to carry out cooling and lubricating.
Rolling oil temperature described in step (5) during finish rolling is 10 ~ 70 DEG C, more preferably 15 ~ 60 DEG C, is more preferably 20 ~ 55 DEG C, is particularly preferably 25 ~ 50 DEG C.
Described in step (5), smart rolling pass number is more than 3, is particularly preferably 3.
The working roll roll surface roughness of other passage except final pass in step (5) is less than Ra0.70 μm, and more preferably Ra0.05 ~ 0.60 μm, is particularly preferably Ra0.1 ~ 0.5 μm.
In step (5), the Strip Shape Control roller cone length of each passage is independently 180 ~ 250mm, more preferably 200 ~ 230mm, is particularly preferably 220mm.
The tapering of other passage except final pass in step (5) is 1/750 ~ 1/950, more preferably 1/800 ~ 1/900, be particularly preferably 1/850.
The rolling mill speed of other passage except final pass in step (5) is 50 ~ 180m/ minute, more preferably 80 ~ 160m/ minute, is particularly preferably 90 ~ 150m/ minute.
In step (5), the roll surface roughness of final pass is Ra0.1 ~ 0.8 μm, more preferably Ra0.2 ~ 0.6 μm, is particularly preferably Ra0.3 ~ 0.5 μm.
The percentage pass reduction of final pass is 1% ~ 8% in step (5), more preferably 3% ~ 6%, be particularly preferably 4% ~ 5%.
In step (5), the rolling mill speed of final pass is less than 180m/ minute, such as 179m/ minute, 178m/ minute, 177m/ minute, 170m/ minute, 151m/ minute, 149m/ minute, 120m/ minute, 100m/ minute, 80m/ minute, 60m/ minute, 40m/ minute, 20m/ minute, 10m/ minute, 5m/ minute, 2m/ minute, 1m/ minute, 0.1m/ minute etc., more preferably less than 160m/ minute, be particularly preferably less than 150m/ minute.
In step (5), during final pass, head steel band lining paper 20 ~ 200 encloses, and preferably 40 ~ 120 encloses further, particularly preferably 50 ~ 100 circles.
In step (5), during final pass, afterbody steel band lining paper 20 ~ 200 encloses, and preferably 40 ~ 120 encloses further, particularly preferably 50 ~ 100 circles.
Described in step (6), degreasing is undertaken by spray degreasing agent.
In step (6), degreasing agent used is alkaline defatting agent, is particularly preferably the aqueous solution of S5160 containing 9g/L ~ 11g/L degreasing agent of Shanghai Kai Miteer Chemical Company production.
In step (6), during spray degreasing, solution temperature is 35 ~ 95 DEG C, more preferably 50 ~ 90 DEG C, is particularly preferably 60 ~ 85 DEG C.
Clean after degreasing described in step (6); Preferably, described cleaning is cold water spray; Described cold water temperature is 0 ~ 35 DEG C, is particularly preferably 5 ~ 25 DEG C.
Dry for drying described in step (6); Preferably, described bake out temperature is 100 ~ 500 DEG C, such as: 101 DEG C, 102 DEG C, 103 DEG C, 149 DEG C, 151 DEG C, 180 DEG C, 210 DEG C, 250 DEG C, 310 DEG C, 350 DEG C, 390 DEG C, 410 DEG C, 450 DEG C, 490 DEG C, 495 DEG C, 498 DEG C, 499 DEG C, 499.9 DEG C, etc., more preferably 150 ~ 400 DEG C, be particularly preferably 200 ~ 300 DEG C.
Described in step (6), rate of drying is less than 25 ms/min, such as: 0.01 m/min, 0.1 m/min, 0.5 m/min, 1 m/min, 6 ms/min, 10 ms/min, 18 ms/min, 23 ms/min, 24 ms/min, 24.8 ms/min, 24.9 ms/min etc., more preferably 3 ~ 15 ms/min, be particularly preferably 5 ~ 10 ms/min.
Head and/or afterbody steel band lining paper during rolling in step (6).
Bundling described in step (7) is 2 times of bundlings according to required width dimensions.
The production technology of precise stainless steel strip of the present invention, comprises the following steps:
The middle material that (1 ') half finish rolling system: 2B is surperficial, thickness is 0.60 ~ 1.50mm, width is the soft state cold-rolling stainless steel stock roll of below 1219mm involves in row half finish rolling system, selecting working roll to be hardness is HRC60 ~ 62, roll surface roughness controls in Ra0.10 ~ 0.60 μm, adopts mineral matter ROLLING OIL to carry out cooling and lubricating during rolling; Oil-temperature control during rolling is at 25 ~ 50 DEG C; The thick stainless steel stock roll of 0.50 ~ 1.80mm through more than 2 passes to 0.128 ~ 0.75mm thickness; First passage backward pull controls at 20 ~ 28kg/mm 2, forward pull controls at 23 ~ 31kg mm 2, mill speed controls at 80 ~ 100 ms/min, and the forward and backward tension force of each passage increases progressively principle by by passage afterwards, is 30 ~ 50kg/mm 2, each pass speed is 150 ~ 280 ms/min, and last passage entire volume requires that lining paper is avoided dampening steel strip surface with this;
(2 ') cleaning by degreasing is dried: carry out uncoiling to the stainless steel band through more than half finish rolling, is undertaken spraying, hairbrush cleaning and degreasing by the degreasing case being added with degreasing agent; It is 9g/L-11g/L degreaser that the S5160 that described stainless steel degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce and water are deployed into concentration, and solution temperature during spray degreasing controls at 60 ~ 80 DEG C; Again through heat water-spraying's cleaning after spray degreasing, hot water temperature controls at 45 ~ 60 DEG C, and the steel band after hot water cleaning is again through hot-air seasoning process, and hot blast temperature is 100 ~ 120 DEG C; The speed general control of steel tape degreasing cleaning is at 5 ~ 15 ms/min;
(3 ') solution heat treatment: the cold-rolled steel coils after more than half finish rolling, degreasing, cleaning, oven dry takes the horizontal continuous bright annealing furnace of gas shield to carry out solution heat treatment; heat treatment temperature controls at 1100 ~ 1150 DEG C; annealing speed 5 ~ 15 ms/min, adopting protective atmosphere to be volume content is 25%N 2and 75%H 2ammonolysis craft gas, steel band is protected, guarantees the steel strip surface non-oxidizing bright after heat treatment, during rolling require entire volume lining paper in case steel strip surface dampen;
(4 ') tension force rewinding: tension force rewinding is carried out to the steel band after solution heat treatment, tension force controls at 300 ~ 3000kg, and speeds control is at 10 ~ 120 ms/min;
(5 ') finish rolling system: the cold-rolled strip second time through solution heat treatment recovery plasticity is carried out pressure-sizing and prolonged; Select working roll hardness to be HRC60 ~ 62, adopt mineral matter ROLLING OIL to carry out cooling and lubricating during rolling, ROLLING OIL controls at 25 ~ 50 DEG C; Take three passage process programs: the steel band through solution treatment thick for 0.128 ~ 0.75mm is calendered to 0.3 ~ 0.50mm finished product thickness; First and second passage working roll roll surface roughness Ra 0.1 ~ 0.5 μm, Strip Shape Control roller bores long 220mm, tapering 1/850; Backward pull controls at 15 ~ 20kg/mm 2, forward pull controls at 18 ~ 23kg/mm 2, rolling mill speed controls at 90 ~ 150m/ minute, and the 3rd passage roll surface roughness is Ra0.3 ~ 0.5 μm, Strip Shape Control roller bores long 220mm, tapering 1/850, and percentage pass reduction controls in 4% ~ 5% scope, small tension receiving coil calendering technology is taked in front and back, and it is 10 ~ 18kg/mm that tension force controls 2, speeds control is within 150 ms/min, and steel band lining paper 50 ~ 100 encloses end to end;
(6 ') cleaning by degreasing surface: the requirement according to this series products carries out cleaning by degreasing oven dry to its surface; Steel band carries out spray degreasing, and the S5160 that during degreasing, degreasing agent selects Shanghai Kai Miteer Chemical Company to produce also allocates with water the degreasant solution that concentration is 9g/L-11g/L, and temperature controls at 60 ~ 85 DEG C; Steel band after spray degreasing again after the water mark that subcooled water cleaning showers extracts steel strip surface, described cold water temperature is below 30 DEG C, the hyperthermia drying room entering 200 ~ 300 DEG C is slowly dried with 5 ~ 10 ms/min and removes steel strip surface stress, simultaneously steel band end to end rolling time lining paper;
(7 ') micro-extension stretch bending rectifys bundling: take micro-stretch bending to rectify technique, adopt permanent extension mode, elongation control is below 0.10%, carry out micro-straightening, object is to keep being divided into finished product to roll up according to 2 times of required width dimensions after high temperature low speed dries removing steel strip surface compressive stress state.
Described 2B surface stainless steel refer to cold rolling after through heat treatment, pickling, then make surface for the stainless steel of appropriateness light with finish rolling processing.
Described soft state stainless steel just refers to the stainless steel of full annealing state (annealled), its hardness and tensile strength lower.
An object of the present invention is also the precise stainless steel strip providing a kind of described explained hereafter, it is characterized in that, not yielding after described precise stainless steel strip half-etching.
An object of the present invention is also the purposes providing a kind of described precise stainless steel strip.Described precise stainless steel strip can be used for the communications industry and produces stainless steel parts, is particularly preferred for the accurate stainless steel parts producing dull and stereotyped smart mobile phone.
The invention is characterized in:
(1) step (5) adopts multi-pass small tension receiving coil, low reduction ratio technique makes the finished product stress equilibrium that rolls and smaller;
(2) step (6) adopts pole to dry at a slow speed, can eliminate steel strip surface compression;
(3) step (7) takes micro-extension stretch bending to rectify technique, adopts permanent extension mode not to be changed, and removes steel strip surface compressive stress state.
Compared with prior art, the invention has the advantages that:
(1) by the synergy of technical parameter, make the precise stainless steel strip produced not yielding when half-etching punching press, the requirement of the production of accurate stainless steel parts can be met;
(2) the precise stainless steel strip thickness deviation precision produced is higher, fluctuates very little, surface-brightening and roughness uniform colorless is poor, and plate shape is smooth, and stable mechanical performance is suitable for suitability for industrialized production, meets the requirement of electron trade high-quality.
Accompanying drawing explanation
Fig. 1 is the flow chart of one embodiment of the invention.
Fig. 2 is that in production technology, soft state cold-rolling stainless steel stock roll is selected materials schematic diagram.
Detailed description of the invention
For ease of understanding the present invention, it is as follows that the present invention enumerates embodiment.Those skilled in the art should understand, described embodiment is only help to understand the present invention, should not be considered as concrete restriction of the present invention.
Embodiment 1
Select the trade mark to be SUS304 cold rolling feeds volume 2B surface in this example, its thickness is 0.60mm, width 400mm.Finished product steel belt requires: thickness is 0.30mm, and width is each 1 of 125+125+128, tensile strength >=930Mpa, vickers hardness hv 310 ~ 370, percentage elongation >=3%, and half-etching requires indeformable.
(1) SUS304 cold rolling feeds volume is first selected, surface is 2B state, chemical composition: carbon (C) 0.05%, silicon (Si) 0.41%, manganese (Mn) 1.3%, phosphorus (P) 0.045%, sulphur (S) 0.028%, nickel (Ni) 8.03%, chromium (Cr) 18.1%, copper (Cu) 0.13%, nitrogen (N) 0.029%, molybdenum (Mo) 0.01%.
(2) to thickness be the stainless-steel cold-rolling stock roll of 0.60mm, Sendzimir 20 high mill is adopted to carry out half finish rolling, grand lubricating oil (China) Co., Ltd of state model is adopted to be that DN.STAINLESS ROLLP-T mineral matter ROLLING OIL carries out lubrication during rolling, during rolling, Oil-temperature control is at 25 DEG C, working roll roll surface hardness is selected to be HRC60, roll surface roughness controls at Ra0.10 μm, then to the thick stock roll of 0.60mm through 3 passes to 0.37mm thickness.First passage backward pull controls at 20kg/mm 2, forward pull controls at 23kg/mm 2, mill speed controls at 90m/ minute, and the forward and backward tension force of the second passage is respectively 33kg/mm 2, 30kg/mm 2, the forward and backward tension force of the 3rd passage is respectively 50kg/mm 2, 45kg/mm 2, namely increase progressively by passage, the second pass speed is 150m/ minute, and the 3rd pass speed is 200m/ minute, lining paper during last passage entire volume rolling.
(3) uncoiling is carried out to the semi-finished product cold-rolled strip through more than half finish rolling, by being added with the spray degreasing of stainless steel degreasing agent and taking nylon bristle to scrub to add nozzle spray steel strip surface, surperficial degreasing is implemented to steel band, the S5160 that described stainless steel degreasing agent takes Shanghai Kai Miteer Chemical Company to produce also carries out being formulated to the degreaser that concentration is 10g/L with water, its heating temperatures controls to 60 DEG C, steel band is through scrubbing and cleaning through heat water-spraying after spray degreasing again, its heating temperatures controls at 45 DEG C, steel band after hot water cleaning is again through its surface of hot-air seasoning, hot blast temperature controls at 100 DEG C, the speeds control of steel tape degreasing cleaning, drying 10 ms/min.
(4) the semi-finished product cold rolling coil after more than half finish rolling, degreasing, cleaning, oven dry carries out solution heat treatment with the speed of 10 meters per minute by the horizontal continuous bright annealing furnace of gas shield; heat treatment temperature is now set to 1130 DEG C; for ensureing steel band at high temperature unlikely oxidation, thus volume content is taked to be 25%N 2and 75%H 2ammonolysis craft gas steel band is protected in the body of heater of high temperature closure, guarantee the light of the steel strip surface after heat treatment, prevent from dampening between steel belt layer steel band entire volume lining paper after to process to protect steel strip surface.
(5) carry out tension force rewinding to the steel band after solution heat treatment, after object is to anneal, when coil of strip tension force and mill milling, coil of strip tension force matches.Tension force controls at 2500kg and speeds control 100 ms/min.
(6) recovered the cold-rolled steel coils of plasticity through solution heat treatment, taked Sendzimir 20 high mill to carry out pressure-sizing for the second time and prolong.Working roll hardness is selected to be HRC60 ~ 62, ROLLING OIL adopts grand lubricating oil (China) Co., Ltd of state model to be DN.STAINLESS ROLL P-T, cooling and lubricating is carried out when rolling, ROLLING OIL temperature control is at 25 DEG C, take finished product to roll three passage process technology schemes for etching stainless steel belt, 0.37mm is rolled to 0.30mm thick.The first two passage takes working roll roll surface roughness at Ra0.1 μm, and first the forward and backward tension force of passage is respectively 18kg/mm 2, 16kg/mm 2, second the forward and backward tension force of passage is respectively 17kg/mm 2, 15kg/mm 2, rolling mill speed 100 ms/min, passage takes texturing surface working roll for the third time, and roll surface roughness carries out last finished surface calendering at Ra0.3 μm, and reduction ratio controls 5%, and tension force takes small tension receiving coil, and namely, tension force is respectively and controls at 15kg/mm 2, 12kg/mm 2, rolling mill speed controls at 120 ms/min, and object is the compression inequality that minimizing steel band pressure-sizing time delay produces on surface and causes larger defect, and lining paper 100 encloses end to end.
(7) carry out cleaning by degreasing oven dry to the steel band rolling finished product, steel coil strip uncoiling enters vertical spray degreasing case and carries out surperficial degreasing, the S5160 stainless steel degreasing agent that degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce.During production and water is allocated as degreaser containing 11g/L degreasing agent and heating temperatures controls at 70 DEG C.Steel band is extracted surperficial raffinate through squeeze roll again and is entered cold water cleaning showers room cleaning steel strip surface alkaline residue after spraying surperficial degreasing, steel strip surface cold water mark is squeezed out afterwards by large cornerite hoisting type squeeze roll, enter the hyperthermia drying room of 300 DEG C, speed 5 ms/min carries out pole slowly dries at a slow speed, object is to remove steel strip surface compression, lining paper end to end during rolling.
(8) take micro-stretch bending to rectify technique to the steel coil strip of degreasing, cleaning, oven dry and carry out the adjustment of steel band template, take permanent extension mode, percentage elongation is 0.10%, so humble extension and straightening object are to dry through high temperature low speed to be unlikely to be rectified by stretch bending to produce new bending stress with the steel band of the state eliminating steel strip surface compression, thus there is distortion when causing half-etching, then be rolled into finished product steel belt volume by 2 times points of width dimensions, test package is put in storage.
Its main performance index of product adopting above-mentioned technology to produce is as follows:
(1) thickness: 0.30 ± 0.003mm.
(2) width: 125 ~ 128-0.10mm.
(3) hardness: HV315 ± 5.
(4) tensile strength >=930 ~ 1100MPa percentage elongation >=15%.
(5) surface roughness: Ra=0.2 ~ 0.3 μm.
(6) glacing flatness≤0.50mm.
(7) half-etching is stamping indeformable.
Embodiment 2
This example selects trade mark SUS304 cold rolling feeds volume, surface is 2B state, its thickness is 0.90mm, width 400mm, finished product steel belt thickness is 0.50mm, and volume degree is each 1 of 128+128+125mm, tensile strength >=930Mpa, vickers hardness hv 310 ~ 370, percentage elongation >=3%, half-etching requires indeformable.
(1) first select SUS304 cold-rolling stainless steel stock roll, surface is 2B state.Chemical composition: with embodiment 1.
(2) to thickness be the stainless-steel cold-rolling stock roll of 0.90mm, adopt Sendzimir 20 high mill to carry out half finish rolling.The model adopting grand lubricating oil (China) Co., Ltd of state to produce during rolling is that DN.STAINLESSROLL OIL P-T mineral matter ROLLING OIL carries out lubrication, during rolling, Oil-temperature control is at 50 DEG C, working roll roll surface hardness is selected to be HRC62, roll surface roughness controls at Ra0.10 μm, Strip Shape Control roller selects the long 270mm of cone, tapering 1/850.Then to the thick stock roll of 0.90mm through 3 passes to 0.62mm thickness.First passage backward pull controls at 25kg/mm 2, forward pull controls at 28kg/mm 2, mill speed controls at 80m/ minute, and the forward and backward tension force of the second passage is respectively 36kg/mm 2, 34kg/mm 2, the forward and backward tension force of the 3rd passage is respectively 50kg/mm 2, 48kg/mm 2, namely increase progressively by by passage, the second pass speed is 180m/ minute, and the 3rd pass speed is 190m/ minute, lining paper during last passage entire volume rolling.
(3) uncoiling is carried out to the semi-finished product cold-rolled strip through more than half finish rolling, by being added with the spray degreasing of stainless steel degreasing agent and taking nylon bristle to scrub to add nozzle spray steel strip surface to implement surperficial degreasing to steel band, the S5160 that described stainless steel degreasing agent takes Shanghai Kai Miteer Chemical Company to produce and water carry out being formulated to the degreaser of concentration containing 10g/L degreasing agent, its temperature by computer heating control to 75 DEG C, steel band controls at 55 DEG C through scrubbing and cleaning its heating temperatures through heat water-spraying again after spray degreasing, steel band after hot water cleaning is again through its surface of hot-air seasoning, hot blast temperature controls at 120 DEG C, steel tape degreasing, cleaning, the speeds control 5 ms/min of drying.
(4) the semi-finished product cold rolling coil after more than half finish rolling, degreasing, cleaning, oven dry carries out solution heat treatment with the speed of 5 meters per minute by the horizontal continuous bright annealing furnace of gas shield; heat treatment temperature is now set to 1130 DEG C; for ensureing steel band at high temperature unlikely oxidation, thus volume content is taked to be 25%N 2and 75%H 2ammonolysis craft gas steel band is protected, in order to avoid be at high temperature oxidized, guarantee anneal after steel band non-oxidizing bright, during rolling, interlayer lining paper avoids steel strip surface to dampen.
(5) steel band after solution heat treatment carries out tension force rewinding, its tension force controls at 3000kg and speeds control 100 ms/min, when the coil of strip winding tension after this technique object guarantees heat treatment and next step finish rolling, uncoiling tension mates and steel strip surface can not be caused to dampen, and during coil of strip rolling, sideslip affects normal rolling.
(6) recovered plasticity through solution heat treatment and through the steel coil strip of coil of strip tension force rewinding coupling, adopted Sendzimir 20 high mill to carry out pressure-sizing for the second time and prolong.Now working roll hardness is selected to be HRC62, long 220mm bored by Strip Shape Control roll, tapering 1/850, DN.STAINLESS.ROLL LIL (P-T) ROLLING OIL that ROLLING OIL adopts grand lubricating oil (China) Co., Ltd of state to produce carries out cooling and lubricating, ROLLING OIL temperature control, at 40 DEG C, takes finished product to roll three passage process technology schemes for etching stainless steel belt.By thick to 0.50mm for thick for 0.62mm calendering.The first two passage takes working roll roll surface roughness at Ra0.15 μm, and first the forward and backward tension force of passage is respectively 18kg/mm 2, 16kg/mm 2, second the forward and backward tension force of passage is respectively 17kg/mm 2, 15kg/mm 2, rolling mill speed 100 ms/min, third time passage replacing working roll, roll surface roughness is at Ra0.4 μm and adjustment plate shape roller makes its straight width maximize.Carry out final pass calendering, and rolling reduction ratio controls 5%, tension force takes small tension receiving coil, and namely, tension force is respectively and controls at 18kg/mm 2, 15kg/mm 2, rolling mill speed controls at 150 ms/min.By increasing passage, reducing the reduction ratio of final pass, reducing tension force, change Strip Shape Control roller glacing flatness and use up and eliminate the uneven and excessive defect of steel strip surface generation compression, the whole lining paper of final pass entire volume.
(7) the steel band uncoiling of rolling finished product to finish rolling enters vertical spray degreasing case and carries out surperficial degreasing, the S5160 stainless steel degreasing agent that degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce.During production and water is allocated as the degreaser of concentration 11g/L and heating temperatures controls at 75 DEG C.Steel band is after spraying surperficial degreasing, extract surperficial raffinate through squeeze roll again and enter cold water cleaning showers room cleaning steel strip surface alkaline residue, steel strip surface cold water mark is squeezed out afterwards by large cornerite hoisting type squeeze roll, enter the hyperthermia drying room of 300 DEG C, carry out pole with 5 meters of speed per minute slowly to dry at a slow speed, object is to remove steel strip surface compression, lining paper end to end during rolling.
(8) take micro-stretch bending to rectify technique to the steel coil strip of degreasing, cleaning, oven dry and carry out the adjustment of steel band template, take permanent extension mode, percentage elongation is set to 0.10%, and leveling roller opening adjustment is-1.0mm simultaneously.So humble extension and straightening object are to dry through high temperature low speed to be unlikely to be rectified by stretch bending to produce new bending stress with the steel band of the state eliminating steel strip surface compression, thus there is distortion when causing half-etching, then be rolled into finished product steel belt volume by 2 times points of width dimensions, test package is put in storage.
The product adopting above-mentioned technology to produce its main index is as follows rapidly:
(1) thickness: 0.50 ± 0.005mm.
(2) width: 125 ~ 128-0.10mm.
(3) hardness: HV320 ± 0.5.
(4) tensile strength >=930 ~ 1100Mpa; Percentage elongation >=15%.
(5) surface roughness: Ra=0.2 ~ 0.3 μm.
(6) glacing flatness≤0.5mm.
(7) half-etching is stamping indeformable.
Embodiment 3
This example selects trade mark SUS304 cold rolling feeds volume, surface is 2B state, its thickness is 1.50mm, width 400mm, finished product steel belt thickness is 0.50mm, and volume degree is each 1 of 125+125+128mm, tensile strength >=930Mpa, vickers hardness hv 310 ~ 370, percentage elongation >=3%, half-etching requires indeformable.
(1) first select SUS304 cold-rolling stainless steel stock roll, surface is 2B state.Chemical composition: with embodiment 1.
(2) to thickness be the stainless-steel cold-rolling stock roll of 1.50mm, adopt Sendzimir 20 high mill to carry out half finish rolling.The model adopting grand lubricating oil (China) Co., Ltd of state to produce during rolling is that DN.STAINLESSROLL OIL P-T mineral matter ROLLING OIL carries out lubrication, during rolling, Oil-temperature control is at 30 DEG C, working roll roll surface hardness is selected to be HRC61, roll surface roughness controls at Ra0.10 μm, Strip Shape Control roller selects the long 270mm of cone, tapering 1/850.Then to the thick stock roll of 1.5mm through 6 passes to 0.62mm thickness.First passage backward pull controls at 28kg/mm 2, forward pull controls at 31kg/mm 2, mill speed controls at 90 ms/min, and the second to six passage forward pull is respectively 35kg/mm 2, 38kg/mm 2, 41kg/mm 2, 44kg/mm 2, 47kg/mm 2, the second to six passage backward pull is respectively 31kg/mm 2, 33kg/mm 2, 36kg/mm 2, 38kg/mm 2, 42kg/mm 2, namely increase progressively by by passage, the second to six pass speed be respectively 158m/ minute, 164m/ minute, 165m/ minute, 167m/ minute, 175m/ minute, lining paper during last passage entire volume rolling.
(3) uncoiling is carried out to the semi-finished product cold-rolled strip through more than half finish rolling, then by being added with the spray degreasing of stainless steel degreasing agent and taking nylon bristle to scrub to add nozzle spray steel strip surface to implement surperficial degreasing to steel band, the S5160 that described stainless steel degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce and water carry out being formulated to the degreaser that concentration is 10g/L, its temperature by computer heating control to 75 DEG C.Steel band controls at 55 DEG C through scrubbing and cleaning its heating temperatures through heat water-spraying again after spray degreasing, and the steel band after hot water cleaning is again through its surface of hot-air seasoning, and hot blast temperature controls at 110 DEG C.The speeds control of steel tape degreasing, cleaning, oven dry 5 ms/min.
(4) the semi-finished product cold rolling coil after more than half finish rolling, degreasing, cleaning, oven dry carries out solution heat treatment with the speed of 5 meters per minute by the horizontal continuous bright annealing furnace of gas shield; heat treatment temperature is now set to 1150 DEG C, and its volume content of reduction protection atmosphere of employing is 25%N 2and 75%H 2ammonolysis craft gas.Steel band is protected, in order to avoid be at high temperature oxidized, guarantees the steel band non-oxidizing bright after annealing, interlayer lining paper during rolling.
(5) steel band after solution heat treatment carries out tension force rewinding, its tension force controls at 3000kg and rolling hourly velocity controls 120 ms/min, when the coil of strip winding tension after this technique object guarantees heat treatment and next step finish rolling, uncoiling tension mates and steel strip surface can not be caused to dampen, and during coil of strip rolling, sideslip affects normal rolling.
(6) recovered plasticity and the steel coil strip of coupling of having handed in an examination paper through coil of strip tension force through solution heat treatment, taked Sendzimir 20 high mill to carry out pressure-sizing for the second time and prolong.Now select working roll hardness to be HRC62, long 220mm bored by Strip Shape Control roll, tapering 1:850.ROLLING OIL adopts grand lubricating oil (China) Co., Ltd of state production model to be that DN.STAINLESS.ROLL LIL (P-T) carries out cooling and lubricating, ROLLING OIL temperature control, at 35 DEG C, takes finished product to roll three passage process technology schemes for etching stainless steel belt.By thick to 0.50mm for thick for 0.62mm calendering.The first two passage takes working roll roll surface roughness at Ra0.18 μm, and first the forward and backward tension force of passage is respectively 18kg/mm 2, 16kg/mm 2, second the forward and backward tension force of passage is respectively 17kg/mm 2, 15kg/mm 2, rolling mill speed 100 ms/min, the 3rd passage changes working roll, and roll surface roughness is at Ra0.35 μm and adjustment plate shape roller makes its straight width maximize.Carrying out final pass calendering reduction ratio controls within 5%, and tension force takes small tension receiving coil, and namely, tension force is respectively and controls at 17kg/mm 2, 14kg/mm 2, rolling mill speed controls at 150 ms/min.By increasing passage, reducing the reduction ratio of final pass, reducing tension force, change Strip Shape Control roller glacing flatness and use up and eliminate the uneven and excessive defect of steel strip surface generation compression.The whole lining paper of final pass entire volume.
(7) the steel band uncoiling of rolling finished product to finish rolling enters vertical spray degreasing case and carries out surperficial degreasing, the S5160 stainless steel degreasing agent that degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce.During production and water is allocated as the degreaser of concentration 11g/L and heating temperatures controls at 75 DEG C.Steel band is after spraying surperficial degreasing, extract surperficial raffinate through squeeze roll again and enter cold water cleaning showers room cleaning steel strip surface alkaline residue, steel strip surface cold water mark is squeezed out afterwards by large cornerite hoisting type squeeze roll, enter the hyperthermia drying room of 300 DEG C, carry out pole with 5 meters of speed per minute slowly to dry at a slow speed, object is to remove steel strip surface compression.Lining paper end to end during rolling.
(8) take micro-stretch bending to rectify technique to the steel coil strip of degreasing, cleaning, oven dry and carry out the adjustment of steel band template, take permanent extension mode, percentage elongation is set to 0.10%, and leveling roller opening adjustment is-1.0mm simultaneously.So humble extension and straightening object are to dry through high temperature low speed to be unlikely to be rectified by stretch bending to produce new bending stress with the steel band of the state eliminating steel strip surface compression, thus there is distortion when causing half-etching, then be rolled into finished product steel belt volume by 2 times points of width dimensions, test package is put in storage.
Its main performance index of product adopting above-mentioned technology to produce is as follows:
(1) thickness: 0.50 ± 0.005mm.
(2) width: 125 ~ 128-0.10mm.
(3) hardness: HV320 ± 5.
(4) tensile strength >=930 ~ 1100Mpa; Percentage elongation >=15%.
(5) surface roughness: Ra=0.2 ~ 0.3 μm.
(6) glacing flatness≤0.5mm.
(7) half-etching is stamping indeformable.
Embodiment 4
This example selects trade mark SUS304 cold rolling feeds volume, surface is 2B state, its thickness is 0.50mm, width 500mm, finished product steel belt thickness is 0.10mm, and volume degree is each 1 of 125+127+128mm, tensile strength >=930Mpa, vickers hardness hv 310 ~ 370, percentage elongation >=3%, half-etching requires indeformable.
(1) first select SUS304 cold-rolling stainless steel stock roll, surface is 2B state.Chemical composition: with embodiment 1.
(2) to thickness be the stainless-steel cold-rolling stock roll of 0.50mm, adopt Sendzimir 20 high mill to carry out half finish rolling.The model adopting grand lubricating oil (China) Co., Ltd of state to produce during rolling is that DN.STAINLESSROLL OIL P-T mineral matter ROLLING OIL carries out lubrication, during rolling, Oil-temperature control is at 10 DEG C, working roll roll surface hardness is selected to be HRC55, roll surface roughness controls at Ra0.80 μm, Strip Shape Control roller selects the long 270mm of cone, tapering 1/850.Then to the thick stock roll of 0.50mm through 6 passes to 0.128mm thickness.First passage backward pull controls at 10kg/mm 2, forward pull controls at 15kg/mm 2, mill speed controls at 60 ms/min, and the second to six passage forward pull is respectively 18kg/mm 2, 20kg/mm 2, 24kg/mm 2, 26kg/mm 2, 28kg/mm 2, the second to six passage backward pull is respectively 15kg/mm 2, 18kg/mm 2, 20kg/mm 2, 22kg/mm 2, 24kg/mm 2, namely increase progressively by by passage, the second to six pass speed be respectively 110m/ minute, 124m/ minute, 135m/ minute, 140 minutes, 142 minutes, lining paper during last passage entire volume rolling.
(3) uncoiling is carried out to the semi-finished product cold-rolled strip through more than half finish rolling, then by being added with the spray degreasing of stainless steel degreasing agent and taking nylon bristle to scrub to add nozzle spray steel strip surface to implement surperficial degreasing to steel band, the S5160 that described stainless steel degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce and water carry out being formulated to the degreaser that concentration is 11g/L, its temperature by computer heating control to 35 DEG C.Steel band controls at 25 DEG C through scrubbing and cleaning its temperature through heat water-spraying again after spray degreasing, and the steel band after hot water cleaning is again through its surface of hot-air seasoning, and hot blast temperature controls at 80 DEG C.The speeds control of steel tape degreasing, cleaning, oven dry 25 ms/min.
(4) the semi-finished product cold rolling coil after more than half finish rolling, degreasing, cleaning, oven dry carries out solution heat treatment with the speed of 3 meters per minute by the horizontal continuous bright annealing furnace of gas shield; heat treatment temperature is now set to 900 DEG C, and the reduction protection atmosphere of employing is N 2.Steel band is protected, in order to avoid be at high temperature oxidized, guarantees the steel band non-oxidizing bright after annealing, interlayer lining paper during rolling.
(5) steel band after solution heat treatment carries out tension force rewinding, its tension force controls at 100kg and rolling hourly velocity controls 4 ms/min, when the coil of strip winding tension after this technique object guarantees heat treatment and next step finish rolling, uncoiling tension mates and steel strip surface can not be caused to dampen, and during coil of strip rolling, sideslip affects normal rolling.
(6) recovered plasticity and the steel coil strip of coupling of having handed in an examination paper through coil of strip tension force through solution heat treatment, taked Sendzimir 20 high mill to carry out pressure-sizing for the second time and prolong.Now select working roll hardness to be HRC55, long 180mm bored by Strip Shape Control roll, tapering 1/750.The model that ROLLING OIL adopts grand lubricating oil (China) Co., Ltd of state to produce is that DN.STAINLESS.ROLL LIL (P-T) carries out cooling and lubricating, ROLLING OIL temperature control, at 10 DEG C, takes finished product to roll three passage process technology schemes for etching stainless steel belt.By thick to 0.10mm for thick for 0.128mm calendering.The first two passage takes working roll roll surface roughness at Ra0.70 μm, and first the forward and backward tension force of passage is respectively 12kg/mm 2, 10kg/mm 2, second the forward and backward tension force of passage is respectively 33kg/mm 2, 25kg/mm 2, rolling mill speed 50 ms/min, the 3rd passage changes working roll, and roll surface roughness is at Ra0.1 μm and adjustment plate shape roller makes its straight width maximize.Carrying out final pass calendering reduction ratio controls within 1%, and tension force takes small tension receiving coil, and namely, tension force is respectively and controls at 20kg/mm 2, 20kg/mm 2, rolling mill speed controls at 180 ms/min.By increasing passage, reducing the reduction ratio of final pass, reducing tension force, change Strip Shape Control roller glacing flatness and use up and eliminate the uneven and excessive defect of steel strip surface generation compression.The whole lining paper of final pass entire volume.
(7) the steel band uncoiling of rolling finished product to finish rolling enters vertical spray degreasing case and carries out surperficial degreasing, the S5160 stainless steel degreasing agent that degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce, during production and water is allocated as the degreaser of concentration 11g/L and heating temperatures controls at 35 DEG C.Steel band is after spraying surperficial degreasing, extract surperficial raffinate through squeeze roll again and enter cold water cleaning showers room cleaning steel strip surface alkaline residue, steel strip surface cold water mark is squeezed out afterwards by large cornerite hoisting type squeeze roll, enter the hyperthermia drying room of 100 DEG C, carry out pole with 3 ms/min of speed slowly to dry at a slow speed, object is to remove steel strip surface compression.Lining paper end to end during rolling.
(8) take micro-stretch bending to rectify technique to the steel coil strip of degreasing, cleaning, oven dry and carry out the adjustment of steel band template, take permanent extension mode, percentage elongation is set to 0.20%, and leveling roller opening adjustment is-1.0mm simultaneously.So humble extension and straightening object are to dry through high temperature low speed to be unlikely to be rectified by stretch bending to produce new bending stress with the steel band of the state eliminating steel strip surface compression, thus there is distortion when causing half-etching, then be rolled into finished product steel belt volume by 2 times points of width dimensions, test package is put in storage.
Its key technical indexes of product adopting above-mentioned technology to produce is as follows:
(1) thickness: 0.10 ± 0.002mm.
(2) width: 125 ~ 128-0.10mm.
(3) hardness: HV320 ± 0.5.
(4) tensile strength >=930 ~ 1100Mpa; Percentage elongation >=15%.
(5) surface roughness: Ra=0.2 ~ 0.3 μm.
(6) glacing flatness≤0.5mm.
(7) half-etching is stamping indeformable.
Embodiment 5
This example selects trade mark SUS304 cold rolling feeds volume, surface is 2B state, its thickness is 1.80mm, width 600mm, finished product steel belt thickness is 0.60mm, and volume degree is each 1 of 125+127+128mm, tensile strength >=930Mpa, vickers hardness hv 310 ~ 370, percentage elongation >=3%, half-etching requires indeformable.
(1) first select SUS304 cold-rolling stainless steel stock roll, surface is 2B state.Chemical composition: with embodiment 1.
(2) to thickness be the stainless-steel cold-rolling stock roll of 1.80mm, adopt Sendzimir 20 high mill to carry out half finish rolling.The model adopting grand lubricating oil (China) Co., Ltd of state to produce during rolling is that DN.STAINLESSROLL OIL P-T mineral matter ROLLING OIL carries out lubrication, during rolling, Oil-temperature control is at 70 DEG C, working roll roll surface hardness is selected to be HRC68, roll surface roughness controls at Ra0.05 μm, Strip Shape Control roller selects the long 270mm of cone, tapering 1/850.Then to the thick stock roll of 1.80mm through 5 passes to 0.75mm thickness.First passage backward pull controls at 40kg/mm 2, forward pull controls at 45kg/mm 2, mill speed controls at 130 ms/min, and the second to five passage forward pull is respectively 40kg/mm 2, 48kg/mm 2, 55kg/mm 2, 60kg/mm 2, the second to five passage backward pull is respectively 36kg/mm 2, 45kg/mm 2, 52/mm 2, 56kg/mm 2, namely increase progressively by by passage, 5 to five year pass speed be respectively 253m/ minute, 286m/ minute, 300m/ minute, 320m/ minute, lining paper during last passage entire volume rolling.
(3) uncoiling is carried out to the semi-finished product cold-rolled strip through more than half finish rolling, then by being added with the spray degreasing of stainless steel degreasing agent and taking nylon bristle to scrub to add nozzle spray steel strip surface to implement surperficial degreasing to steel band, the S5160 that described stainless steel degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce and water carry out being formulated to the degreaser that concentration is 11g/L, its temperature by computer heating control to 95 DEG C.Steel band controls at 90 DEG C through scrubbing and cleaning its temperature through heat water-spraying again after spray degreasing, and the steel band after hot water cleaning is again through its surface of hot-air seasoning, and hot blast temperature controls at 150 DEG C.The speeds control of steel tape degreasing, cleaning, oven dry 3 ms/min.
(4) the semi-finished product cold rolling coil after more than half finish rolling, degreasing, cleaning, oven dry carries out solution heat treatment with the speed of 25 meters per minute by the horizontal continuous bright annealing furnace of gas shield; heat treatment temperature is now set to 1300 DEG C, and the reduction protection atmosphere of employing is N 2.Steel band is protected, in order to avoid be at high temperature oxidized, guarantees the steel band non-oxidizing bright after annealing, interlayer lining paper during rolling.
(5) steel band after solution heat treatment carries out tension force rewinding, its tension force controls at 3300kg and rolling hourly velocity controls 200 ms/min, when the coil of strip winding tension after this technique object guarantees heat treatment and next step finish rolling, uncoiling tension mates and steel strip surface can not be caused to dampen, and during coil of strip rolling, sideslip affects normal rolling.
(6) recovered plasticity and the steel coil strip of coupling of having handed in an examination paper through coil of strip tension force through solution heat treatment, taked Sendzimir 20 high mill to carry out pressure-sizing for the second time and prolong.Now select working roll hardness to be HRC68, long 250mm bored by Strip Shape Control roll, tapering 1/950.The model that ROLLING OIL adopts grand lubricating oil (China) Co., Ltd of state to produce is that DN.STAINLESS.ROLL LIL (P-T) carries out cooling and lubricating, ROLLING OIL temperature control, at 70 DEG C, takes finished product to roll three passage process technology schemes for etching stainless steel belt.By thick to 0.60mm for thick for 0.75mm calendering.The first two passage takes working roll roll surface roughness at Ra0.05 μm, and first the forward and backward tension force of passage is respectively 15kg/mm 2, 12kg/mm 2, second the forward and backward tension force of passage is respectively 25kg/mm 2, 22kg/mm 2, rolling mill speed 180 ms/min, the 3rd passage changes working roll, and roll surface roughness is at Ra0.8 μm and adjustment plate shape roller makes its straight width maximize.Carrying out final pass calendering reduction ratio controls within 8%, and tension force takes small tension receiving coil, and namely, tension force is respectively and controls at 8kg/mm 2, 5kg/mm 2, rolling mill speed controls at 130 ms/min.By increasing passage, reducing the reduction ratio of final pass, reducing tension force, change Strip Shape Control roller glacing flatness and use up and eliminate the uneven and excessive defect of steel strip surface generation compression.The whole lining paper of final pass entire volume.
(7) the steel band uncoiling of rolling finished product to finish rolling enters vertical spray degreasing case and carries out surperficial degreasing, the S5160 stainless steel degreasing agent that degreasing agent adopts Shanghai Kai Miteer Chemical Company to produce, during production and water is allocated as the degreaser of concentration 11g/L and heating temperatures controls at 95 DEG C.Steel band is after spraying surperficial degreasing, extract surperficial raffinate through squeeze roll again and enter cold water cleaning showers room cleaning steel strip surface alkaline residue, steel strip surface cold water mark is squeezed out afterwards by large cornerite hoisting type squeeze roll, enter the hyperthermia drying room of 500 DEG C, carry out pole with 25 ms/min of speed slowly to dry at a slow speed, object is to remove steel strip surface compression.Lining paper end to end during rolling.
(8) take micro-stretch bending to rectify technique to the steel coil strip of degreasing, cleaning, oven dry and carry out the adjustment of steel band template, take permanent extension mode, percentage elongation is set to 0.15%, and leveling roller opening adjustment is-1.0mm simultaneously.So humble extension and straightening object are to dry through high temperature low speed to be unlikely to be rectified by stretch bending to produce new bending stress with the steel band of the state eliminating steel strip surface compression, thus there is distortion when causing half-etching, then be rolled into finished product steel belt volume by 2 times points of width dimensions, test package is put in storage.
Its main performance index of product adopting above-mentioned technology to produce is as follows:
(1) thickness: 0.60 ± 0.005mm.
(2) width: 125 ~ 128-0.10mm.
(3) hardness: HV320 ± 5.
(4) tensile strength >=930 ~ 1100Mpa; Percentage elongation >=15%.
(5) surface roughness: Ra=0.2 ~ 0.3 μm.
(6) glacing flatness≤0.5mm.
(7) half-etching is stamping indeformable.
Applicant states, the present invention illustrates detailed process equipment and process flow process of the present invention by above-described embodiment, but the present invention is not limited to above-mentioned detailed process equipment and process flow process, namely do not mean that the present invention must rely on above-mentioned detailed process equipment and process flow process and could implement.Person of ordinary skill in the field should understand, any improvement in the present invention, to equivalence replacement and the interpolation of auxiliary element, the concrete way choice etc. of each raw material of product of the present invention, all drops within protection scope of the present invention and open scope.

Claims (137)

1. the production technology of on-deformable precise stainless steel strip after half-etching, comprises the following steps:
(1) half finish rolling system: be that the soft state cold-rolling stainless steel stock roll of 0.50 ~ 1.80mm carries out half finish rolling system to 2B surface, thickness, stainless steel stock roll through more than 2 passes to 0.128 ~ 0.80mm thickness; First passage backward pull is 10 ~ 40kg/mm 2, the first passage forward pull is 15 ~ 45kg/mm 2, afterwards the forward and backward tension force of each passage independently be 15 ~ 70kg/mm 2;
(2) degreaser drying: the stainless steel band that step (1) obtains is carried out uncoiling, degreasing, dry;
(3) solution heat treatment: the stainless-steel roll that step (2) obtains is carried out solution heat treatment at 900 ~ 1300 DEG C;
(4) rewinding: the stainless steel band that step (3) obtains is carried out rewinding;
(5) finish rolling system: the stainless steel band that step (4) obtains carry out finish rolling system, the stainless steel band of 0.128 ~ 0.80mm thickness through more than 3 passes to 0.10 ~ 0.60mm; Except all the other passage backward pulls of final pass are 10 ~ 30kg/mm 2, forward pull is 12 ~ 33kg/mm 2; Take small tension receiving coil calendering technology before and after final pass, front and back tension force is independently 5 ~ 20kg/mm 2;
(6) degreaser drying: the stainless steel band that step (5) obtains is carried out degreasing, dry;
(7) micro-extension stretch-bending straightening: adopt permanent extension mode to carry out stretch-bending straightening, percentage elongation is less than 0.10%, then bundling.
2. technique as claimed in claim 1, it is characterized in that, described in step (1), soft state cold-rolling stainless steel stock roll thickness is 0.55 ~ 1.70mm.
3. technique as claimed in claim 2, it is characterized in that, described in step (1), soft state cold-rolling stainless steel stock roll thickness is 0.58 ~ 1.60mm.
4. technique as claimed in claim 3, it is characterized in that, described in step (1), soft state cold-rolling stainless steel stock roll thickness is 0.60 ~ 1.50mm.
5. technique as claimed in claim 1, it is characterized in that, described in step (1), soft state cold-rolling stainless steel stock roll width is below 1300mm.
6. technique as claimed in claim 5, it is characterized in that, described in step (1), soft state cold-rolling stainless steel stock roll width is 500 ~ 1300mm.
7. technique as claimed in claim 6, it is characterized in that, described in step (1), soft state cold-rolling stainless steel stock roll width is 1000 ~ 1250mm.
8. technique as claimed in claim 1, is characterized in that, the middle material choosing described soft state cold-rolling stainless steel stock roll in step (1) involves in row half finish rolling system.
9. technique as claimed in claim 1, is characterized in that, described in step (1), half finish rolling system adopts Sendzimir 20 high mill.
10. technique as claimed in claim 9, it is characterized in that, described in step (1), the working roll hardness of Sendzimir 20 high mill is HRC55 ~ 68.
11. techniques as claimed in claim 10, it is characterized in that, described in step (1), the working roll hardness of Sendzimir 20 high mill is HRC58 ~ 65.
12. techniques as claimed in claim 11, it is characterized in that, described in step (1), the working roll hardness of Sendzimir 20 high mill is HRC60 ~ 62.
13. techniques as claimed in claim 9, is characterized in that, the working roll roll surface roughness of Sendzimir 20 high mill described in step (1) is less than Ra0.80 μm.
14. techniques as claimed in claim 13, is characterized in that, the working roll roll surface roughness of Sendzimir 20 high mill described in step (1) is Ra0.05 ~ 0.70 μm.
15. techniques as claimed in claim 14, is characterized in that, the working roll roll surface roughness of Sendzimir 20 high mill described in step (1) is Ra0.10 ~ 0.60 μm.
16. techniques as claimed in claim 1, is characterized in that, half finish rolling system described in step (1) adopts mineral matter ROLLING OIL to carry out cooling and lubricating.
17. techniques as claimed in claim 1, it is characterized in that, described in step (1), during half finish rolling, rolling oil temperature is 10 ~ 70 DEG C.
18. techniques as claimed in claim 17, it is characterized in that, described in step (1), during half finish rolling, rolling oil temperature is 15 ~ 60 DEG C.
19. techniques as claimed in claim 18, it is characterized in that, described in step (1), during half finish rolling, rolling oil temperature is 20 ~ 55 DEG C.
20. techniques as claimed in claim 19, it is characterized in that, described in step (1), during half finish rolling, rolling oil temperature is 25 ~ 50 DEG C.
21. techniques as claimed in claim 1, is characterized in that, described in step (1), half smart rolling pass number is more than 3.
22. techniques as claimed in claim 1, it is characterized in that, after half finish rolling system described in step (1), the thickness of stainless-steel roll is 0.25 ~ 0.70mm.
23. techniques as claimed in claim 22, it is characterized in that, after half finish rolling system described in step (1), the thickness of stainless-steel roll is 0.30 ~ 0.65mm.
24. techniques as claimed in claim 23, it is characterized in that, after half finish rolling system described in step (1), the thickness of stainless-steel roll is 0.37 ~ 0.62mm.
25. techniques as claimed in claim 1, is characterized in that, described in step (1), half finish rolling system first passage backward pull is 15 ~ 35kg/mm 2.
26. techniques as claimed in claim 25, is characterized in that, described in step (1), half finish rolling system first passage backward pull is 20 ~ 28kg/mm 2.
27. techniques as claimed in claim 1, is characterized in that, described in step (1), half finish rolling system first passage forward pull is 20 ~ 35kg/mm 2.
28. techniques as claimed in claim 27, is characterized in that, described in step (1), half finish rolling system first passage forward pull is 23 ~ 31kg/mm 2.
29. techniques as claimed in claim 1, is characterized in that, described in step (1), half finish rolling system first passage mill speed is 60 ~ 130 ms/min.
30. techniques as claimed in claim 29, is characterized in that, described in step (1), half finish rolling system first passage mill speed is 70 ~ 110 ms/min.
31. techniques as claimed in claim 30, is characterized in that, described in step (1), half finish rolling system first passage mill speed is 80 ~ 100 ms/min.
32. techniques as claimed in claim 1, is characterized in that, the forward and backward tension force of each passage that described in step (1), half finish rolling system second passage rises increases progressively principle by by passage, independently be 25 ~ 60kg/mm 2.
33. techniques as claimed in claim 32, is characterized in that, the forward and backward tension force of each passage that described in step (1), half finish rolling system second passage rises is independently 30 ~ 50kg/mm 2.
34. techniques as claimed in claim 1, it is characterized in that, each pass speed that described in step (1), the second passage of half finish rolling rises is independently 110 ~ 320 ms/min.
35. techniques as claimed in claim 34, it is characterized in that, each pass speed that described in step (1), the second passage of half finish rolling rises is independently 130 ~ 300 ms/min.
36. techniques as claimed in claim 35, it is characterized in that, each pass speed that described in step (1), the second passage of half finish rolling rises is independently 150 ~ 280 ms/min.
37. techniques as claimed in claim 1, is characterized in that, the steel band entire volume lining paper protection of last passage of half finish rolling described in step (1).
38. techniques as claimed in claim 1, is characterized in that, degreasing described in step (2) adds hairbrush cleaning by spray and carries out.
39. techniques as claimed in claim 1, it is characterized in that, described in step (2), degreasing is carried out in degreasing case.
40. techniques as claimed in claim 1, it is characterized in that, in step (2), degreasing agent used is alkaline defatting agent.
41. techniques as claimed in claim 1, is characterized in that, the middle degreasing of step (2) adds hairbrush cleaning by spray and carries out, and during spray, solution temperature is 35 ~ 95 DEG C.
42. techniques as claimed in claim 41, is characterized in that, in step (2), during spray, solution temperature is 50 ~ 90 DEG C.
43. techniques as claimed in claim 42, is characterized in that, in step (2), during spray, solution temperature is 60 ~ 80 DEG C.
44. techniques as claimed in claim 1, is characterized in that, clean after degreasing described in step (2).
45. techniques as claimed in claim 44, is characterized in that, cleaning described in step (2) is cleaning showers.
46. techniques as claimed in claim 45, is characterized in that, cleaning showers described in step (2) adopts hot water to carry out.
47. techniques as claimed in claim 46, it is characterized in that, described in step (2), hot water temperature is 25 ~ 90 DEG C.
48. techniques as claimed in claim 47, it is characterized in that, described in step (2), hot water temperature is 35 ~ 70 DEG C.
49. techniques as claimed in claim 48, it is characterized in that, described in step (2), hot water temperature is 45 ~ 60 DEG C.
50. techniques as claimed in claim 1, is characterized in that, dry preferably hot-air seasoning described in step (2).
51. techniques as claimed in claim 50, is characterized in that, described hot blast temperature is 80 DEG C ~ 200 DEG C.
52. techniques as claimed in claim 51, it is characterized in that, described hot blast temperature is 90 ~ 150 DEG C.
53. techniques as claimed in claim 51, it is characterized in that, described hot blast temperature is 100 ~ 120 DEG C.
54. techniques as claimed in claim 1, it is characterized in that, described in step (2), degreasing speed is less than 25 ms/min.
55. techniques as claimed in claim 54, it is characterized in that, described in step (2), degreasing speed is 3 ~ 20 ms/min.
56. techniques as claimed in claim 55, it is characterized in that, described in step (2), degreasing speed is 5 ~ 15 ms/min.
57. techniques as claimed in claim 44, it is characterized in that, described in step (2), cleaning speed is less than 25 ms/min.
58. techniques as claimed in claim 57, it is characterized in that, described in step (2), cleaning speed is 3 ~ 20 ms/min.
59. techniques as claimed in claim 58, it is characterized in that, described in step (2), cleaning speed is 5 ~ 15 ms/min.
60. techniques as claimed in claim 1, it is characterized in that, described in step (3), solution heat treatment temperature is 1000 ~ 1200 DEG C.
61. techniques as claimed in claim 60, it is characterized in that, described in step (3), solution heat treatment temperature is 1100 ~ 1150 DEG C.
62. techniques as claimed in claim 1, is characterized in that, solution heat treatment described in step (3) adopts horizontal continuous bright annealing furnace to carry out.
63. techniques as claimed in claim 1, it is characterized in that, described in step (3), solution heat treatment is carried out under reproducibility and/or inert gas shielding.
64. techniques as described in claim 63, is characterized in that, the protection of solution heat treatment described in step (3) gas is volume content is 25%N 2and 75%H 2ammonolysis craft gas.
65. techniques as claimed in claim 1, it is characterized in that, described in step (3), the annealing speed of solution heat treatment is preferably less than 25 ms/min.
66. techniques as described in claim 65, it is characterized in that, described in step (3), the annealing speed of solution heat treatment is preferably 3 ~ 20 ms/min.
67. techniques as described in claim 66, it is characterized in that, described in step (3), the annealing speed of solution heat treatment is preferably 5 ~ 15 ms/min.
68. techniques as claimed in claim 1, is characterized in that, entire volume lining paper during solution heat treatment rolling described in step (3).
69. techniques as claimed in claim 1, it is characterized in that, described in step (4), rewinding speed is less than 200 ms/min.
70. techniques as described in claim 69, it is characterized in that, described in step (4), rewinding speed is 5 ~ 150 ms/min.
71. techniques as described in claim 70, it is characterized in that, described in step (4), rewinding speed is 10 ~ 120 ms/min.
72. techniques as claimed in claim 1, it is characterized in that, after finish rolling system described in step (5), the thickness of stainless-steel roll is 0.20 ~ 0.60mm.
73. techniques as described in claim 72, it is characterized in that, after finish rolling system described in step (5), the thickness of stainless-steel roll is 0.25 ~ 0.55mm.
74. techniques as described in claim 73, it is characterized in that, after finish rolling system described in step (5), the thickness of stainless-steel roll is 0.30 ~ 0.50mm.
75. techniques as claimed in claim 1, is characterized in that, the backward pull that finish rolling system described in step (5) removes other passage of final pass is 13 ~ 25kg/mm 2.
76. techniques as described in claim 78, is characterized in that, finish rolling system described in step (5) except the backward pull of other passage of final pass be 15 ~ 20kg/mm 2.
77. techniques as claimed in claim 1, is characterized in that, the forward pull that finish rolling system described in step (5) removes other passage of final pass is 15 ~ 25kg/mm 2.
78. techniques as described in claim 77, is characterized in that, finish rolling system described in step (5) except the forward pull of other passage of final pass be 18 ~ 23kg/mm 2.
79. techniques as claimed in claim 1, is characterized in that, before and after finish rolling final pass described in step (5), tension force is independently 8 ~ 20kg/mm 2.
80. techniques as described in claim 79, it is characterized in that, before and after finish rolling final pass described in step (5), tension force is independently 10 ~ 18kg/mm 2.
81. techniques as claimed in claim 1, is characterized in that, finish rolling system described in step (5) adopts Sendzimir 20 high mill.
82. techniques as described in claim 81, it is characterized in that, described in step (5), the working roll hardness of Sendzimir 20 high mill is HRC55 ~ 68.
83. techniques as described in claim 82, it is characterized in that, described in step (5), the working roll hardness of Sendzimir 20 high mill is HRC58 ~ 65.
84. techniques as described in claim 83, it is characterized in that, described in step (5), the working roll hardness of Sendzimir 20 high mill is HRC60 ~ 62.
85. techniques as claimed in claim 1, is characterized in that, finish rolling system described in step (5) adopts mineral matter ROLLING OIL to carry out cooling and lubricating.
86. techniques as described in claim 85, it is characterized in that, the rolling oil temperature described in step (5) during finish rolling is 10 ~ 70 DEG C.
87. techniques as described in claim 86, it is characterized in that, the rolling oil temperature described in step (5) during finish rolling is 15 ~ 60 DEG C.
88. techniques as described in claim 87, it is characterized in that, the rolling oil temperature described in step (5) during finish rolling is 20 ~ 55 DEG C.
89. techniques as described in claim 88, it is characterized in that, the rolling oil temperature described in step (5) during finish rolling is 25 ~ 50 DEG C.
90. techniques as claimed in claim 1, it is characterized in that, described in step (5), smart rolling pass number is 3.
91. techniques as claimed in claim 1, is characterized in that, the working roll roll surface roughness of other passage except final pass in step (5) is less than Ra0.70 μm.
92. techniques as described in claim 91, is characterized in that, the working roll roll surface roughness of other passage except final pass in step (5) is Ra0.05 ~ 0.60 μm.
93. techniques as described in claim 92, is characterized in that, the working roll roll surface roughness of other passage except final pass in step (5) is Ra0.1 ~ 0.5 μm.
94. techniques as claimed in claim 1, is characterized in that, in step (5), the Strip Shape Control roller cone length of each passage is independently 180 ~ 250mm.
95. techniques as described in claim 94, is characterized in that, in step (5), the Strip Shape Control roller cone length of each passage is independently 200 ~ 230mm.
96. techniques as described in claim 95, is characterized in that, in step (5), the Strip Shape Control roller cone length of each passage is independently 220mm.
97. techniques as claimed in claim 1, is characterized in that, the tapering of other passage except final pass in step (5) is 1/750 ~ 1/950.
98. techniques as described in claim 97, is characterized in that, the tapering of other passage except final pass in step (5) is 1/800 ~ 1/900.
99. techniques as described in claim 98, is characterized in that, the tapering of other passage except final pass in step (5) is 1/850.
100. techniques as claimed in claim 1, is characterized in that, the rolling mill speed of other passage except final pass in step (5) is 50 ~ 180m/min.
101. techniques as described in claim 100, is characterized in that, the rolling mill speed of other passage except final pass in step (5) is 80 ~ 160m/min.
102. techniques as described in claim 101, is characterized in that, the rolling mill speed of other passage except final pass in step (5) is 90 ~ 150m/min.
103. techniques as claimed in claim 1, is characterized in that, in step (5), the roll surface roughness of final pass is Ra0.1 ~ 0.8 μm.
104. techniques as described in claim 103, is characterized in that, in step (5), the roll surface roughness of final pass is Ra0.2 ~ 0.6 μm.
105. techniques as described in claim 104, is characterized in that, in step (5), the roll surface roughness of final pass is Ra0.3 ~ 0.5 μm.
106. techniques as claimed in claim 1, is characterized in that, in step (5), the percentage pass reduction of final pass is 1% ~ 8%.
107. techniques as described in claim 106, is characterized in that, in step (5), the percentage pass reduction of final pass is 3% ~ 6%.
108. techniques as described in claim 107, is characterized in that, in step (5), the percentage pass reduction of final pass is 4% ~ 5%.
109. techniques as claimed in claim 1, is characterized in that, in step (5), the rolling mill speed of final pass is below 180m/min.
110. techniques as described in claim 109, is characterized in that, in step (5), the rolling mill speed of final pass is below 160m/min.
111. techniques as described in claim 110, is characterized in that, in step (5), the rolling mill speed of final pass is below 150m/min.
112. techniques as claimed in claim 1, is characterized in that, in step (5), during final pass, head steel band lining paper 20 ~ 200 encloses.
113. techniques as described in claim 112, is characterized in that, in step (5), during final pass, head steel band lining paper 40 ~ 120 encloses.
114. techniques as described in claim 113, is characterized in that, in step (5), during final pass, head steel band lining paper 50 ~ 100 encloses.
115. techniques as claimed in claim 1, is characterized in that, in step (5), during final pass, afterbody steel band lining paper 20 ~ 200 encloses.
116. techniques as described in claim 115, is characterized in that, in step (5), during final pass, afterbody steel band lining paper 40 ~ 120 encloses.
117. techniques as described in claim 116, is characterized in that, in step (5), during final pass, afterbody steel band lining paper 50 ~ 100 encloses.
118. techniques as claimed in claim 1, it is characterized in that, described in step (6), degreasing is undertaken by spray degreasing agent.
119. techniques as described in claim 118, it is characterized in that, in step (6), degreasing agent used is alkaline defatting agent.
120. techniques as claimed in claim 1, is characterized in that, in step (6), degreasing is undertaken by spray degreasing agent, and during spray, solution temperature is 35 ~ 95 DEG C.
121. techniques as described in claim 120, is characterized in that, in step (6), during spray, solution temperature is 50 ~ 90 DEG C.
122. techniques as described in claim 121, is characterized in that, in step (6), during spray, solution temperature is 60 ~ 85 DEG C.
123. techniques as claimed in claim 1, is characterized in that, clean after degreasing described in step (6).
124. techniques as described in claim 123, is characterized in that, described cleaning is cold water spray.
125. techniques as described in claim 124, it is characterized in that, described cold water temperature is 0 ~ 35 DEG C.
126. techniques as described in claim 125, it is characterized in that, described cold water temperature is 5 ~ 25 DEG C.
127. techniques as claimed in claim 1, is characterized in that, dry for drying described in step (6).
128. techniques as described in claim 127, it is characterized in that, described bake out temperature is 100 ~ 500 DEG C.
129. techniques as described in claim 1281, it is characterized in that, described bake out temperature is 150 ~ 400 DEG C.
130. techniques as described in claim 129, it is characterized in that, described bake out temperature is 200 ~ 300 DEG C.
131. techniques as claimed in claim 1, it is characterized in that, described in step (6), rate of drying is less than 25 ms/min.
132. techniques as described in claim 131, it is characterized in that, described in step (6), rate of drying is 3 ~ 15 ms/min.
133. techniques as described in claim 132, it is characterized in that, described in step (6), rate of drying is 5 ~ 10 ms/min.
134. techniques as claimed in claim 1, is characterized in that, bundling described in step (7) is 2 times of bundlings according to required width dimensions.
135. one kinds of precise stainless steel strips, is characterized in that, described precise stainless steel strip is by the explained hereafter described in any one in claim 1-134.
The purposes of 136. precise stainless steel strips as described in claim 135, is characterized in that, described precise stainless steel strip is used for the communications industry and produces stainless steel parts.
The purposes of 137. precise stainless steel strips as described in claim 136, it is characterized in that, described precise stainless steel strip is for the production of the accurate stainless steel parts of dull and stereotyped smart mobile phone.
CN201210121959.1A 2012-04-24 2012-04-24 A kind of communications industry half-etching precise stainless steel strip, its production technology and uses thereof Active CN102699019B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210121959.1A CN102699019B (en) 2012-04-24 2012-04-24 A kind of communications industry half-etching precise stainless steel strip, its production technology and uses thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210121959.1A CN102699019B (en) 2012-04-24 2012-04-24 A kind of communications industry half-etching precise stainless steel strip, its production technology and uses thereof

Publications (2)

Publication Number Publication Date
CN102699019A CN102699019A (en) 2012-10-03
CN102699019B true CN102699019B (en) 2015-10-28

Family

ID=46892237

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201210121959.1A Active CN102699019B (en) 2012-04-24 2012-04-24 A kind of communications industry half-etching precise stainless steel strip, its production technology and uses thereof

Country Status (1)

Country Link
CN (1) CN102699019B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110788138A (en) * 2019-11-11 2020-02-14 山东能源重装集团乾元不锈钢制造有限公司 Cold rolling production method of ultrathin stainless steel strip

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103433278B (en) * 2013-08-13 2015-08-26 永鑫精密材料（无锡）有限公司 A kind of LED industry mild steel precision cold-rolled steel band production method
CN103862242B (en) * 2014-03-24 2016-05-18 无锡宝顺不锈钢有限公司 Manufacture the production method of accurate 317L stainless steel band capillaceous
CN104043653A (en) * 2014-06-23 2014-09-17 梧州恒声电子科技有限公司 Control process for cold rolling steel plates
CN105665467A (en) * 2016-01-20 2016-06-15 东莞市灿煜金属制品有限公司 Method for rolling and low-temperature destressing of stainless steel for mobile phone
CN105855291B (en) * 2016-05-25 2018-04-10 东北大学 Stainless steel sheet strip cold continuous rolling process surface micro-pit defects controlling method
CN106881352A (en) * 2017-03-22 2017-06-23 山东宏旺实业有限公司 A kind of Band by Hot-rolling technique and its production equipment
CN107058707B (en) * 2017-04-11 2019-03-12 无锡华生精密材料股份有限公司 A kind of production method of light titaniferous stainless steel band
CN108620447A (en) * 2018-04-30 2018-10-09 江苏延汉材料科技有限公司 A kind of processing technology of superconduction base band
CN109277426B (en) * 2018-10-26 2019-11-15 山西太钢不锈钢精密带钢有限公司 The production method of stainless steel foil etching products
CN113441548B (en) * 2021-07-01 2023-07-18 永鑫精密材料（无锡）有限公司 Production method of short-drawn high-gloss surface precision stainless steel belt for electronic industry
CN113441546A (en) * 2021-07-14 2021-09-28 永鑫精密材料（无锡）有限公司 Direct rolling production method of low-carbon soft steel strip

Citations (4)

* Cited by examiner, † Cited by third party
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
CN101716594A (en) * 2009-12-11 2010-06-02 永鑫精密材料（无锡）有限公司 Production process of precise stainless steel band for vehicle sealing pad
CN101716595A (en) * 2009-12-11 2010-06-02 永鑫精密材料（无锡）有限公司 Process for producing accurate stainless steel band applied in electronic industry
CN102284481A (en) * 2011-06-17 2011-12-21 永鑫精密材料（无锡）有限公司 Production process for performing cold-rolling on extremely-thin deep-punching steel belt

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3695063B2 (en) * 1997-05-28 2005-09-14 住友金属工業株式会社 Manufacturing method of stainless steel strip for clad material
CN101871105B (en) * 2010-06-24 2011-12-14 永鑫精密材料（无锡）有限公司 Production technique of high-accuracy cold-rolling carbon-steel steel belt for electronic industry

Patent Citations (4)

* Cited by examiner, † Cited by third party
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
CN101716594A (en) * 2009-12-11 2010-06-02 永鑫精密材料（无锡）有限公司 Production process of precise stainless steel band for vehicle sealing pad
CN101716595A (en) * 2009-12-11 2010-06-02 永鑫精密材料（无锡）有限公司 Process for producing accurate stainless steel band applied in electronic industry
CN102284481A (en) * 2011-06-17 2011-12-21 永鑫精密材料（无锡）有限公司 Production process for performing cold-rolling on extremely-thin deep-punching steel belt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110788138A (en) * 2019-11-11 2020-02-14 山东能源重装集团乾元不锈钢制造有限公司 Cold rolling production method of ultrathin stainless steel strip

Also Published As

Publication number Publication date
CN102699019A (en) 2012-10-03

Similar Documents

Publication Publication Date Title
CN102699019B (en) A kind of communications industry half-etching precise stainless steel strip, its production technology and uses thereof
CN101716595B (en) Process for producing accurate stainless steel band applied in electronic industry
CN102658294B (en) The very thin steel band of toy industry mild steel precision cold-rolled, its process and uses thereof
CN101869911B (en) Production technology of precise stainless steel strip used for high-level mobile phone
KR20210094018A (en) Apparatus and method for fully continuous production of hot rolled strip for ferrite rolling
CN105728459B (en) A kind of method of conventional hot continuous rolling machine unit production TA18 Ti Alloy Strip volumes
CN100465300C (en) Method of producing stainless steel band for air injection steel reed
CN105234171B (en) A kind of 4B cold rolled precisions steel band and its manufacture method
CN107042235B (en) The production method of very thin ferritic stainless steel band with glossy surface
CN101716594A (en) Production process of precise stainless steel band for vehicle sealing pad
CN107952815A (en) A kind of production method of hot rolling acid-cleaning plate
CN114173957B (en) Production of deep drawable steel strip in a casting and rolling complex
CN101176882A (en) Process technique of high-strength titanium alloy pipes
CN102489550A (en) Production method for stainless steel belt for etching
CN103433278A (en) Production method of low-carbon alloy steel precision cold-rolled strip for LED industry
EP2067541B1 (en) Method for continuously manufacturing cold-rolled steel
CN113578961B (en) Method for controlling shape of medium-high carbon steel in thin slab continuous casting and rolling production
CN103341498A (en) Method for reducing thickness of oxide scale on surface of hot-rolled steel sheet
CN110170543A (en) A kind of titanium alloy seamless pipe short route processing method
CN102107350A (en) Method for producing precision wire-drawing surface stainless steel bands
CN105032974B (en) The production method of zirconium and zircaloy band volume
CN108118130A (en) The production method of smart mobile phone supporting rack stainless steel band
CN110394364A (en) A kind of production method of thin gauge technical pure titanium plate
CN104889163B (en) A kind of method of pure titanium seamless tubes roll piercing
CN104588418A (en) Method for overcoming defect of pocks on surface of ultra-low carbon steel

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant