CN103667652B - The production method of electric thin Stainless Steel Band - Google Patents
The production method of electric thin Stainless Steel Band Download PDFInfo
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Abstract
The present invention relates to a kind of production method of electric thin Stainless Steel Band, comprise following processing step: (1) selects 12Cr17Ni7 Stainless Steel Band blank, thickness is 0.7 ~ 1.0mm; (2) use 20 roller precision cold-rolled units, become by rolling stainless steel band thickness to be the steel band of 0.16 ~ 0.18mm; (3) steel band once cleans; (4) steel band is by continous way spray hydrogen bright annealing oven; (5) use 20 roller precision cold-rolled units, steel band is rolled into the steel band that thickness is 0.03 ~ 0.05mm; (6) steel band is cleaned unit by continuous degreasing; (7) use the accurate stretch bending-straightening machine of 23 rollers, steel band is aligned; (8) steel band will be become rusty by continous way spray hydrogen bright annealing oven; (9) use the accurate stretch bending-straightening machine of 23 rollers, towards the direction that warp direction is contrary, straightening is carried out to steel band; (10) steel band is divided be cut into required size, namely obtain described electric thin Stainless Steel Band.The Stainless Steel Band good springiness that the present invention produces, intensity are high, and thickness is even.
Description
Technical field
The present invention relates to a kind of production method of Stainless Steel Band, especially a kind of production method of electric thin Stainless Steel Band.
Background technology
Along with the continuous progress in science and technology ground and popular electronic product use more and more general, the requirement of people to product is also more and more higher.Electronic membrane switch is mainly used in each side such as mobile phone, Personal Handyphone System, electronic dictionary, counter, interphone, cordless telephone, toy, household electrical appliance, Industry Control plate, medicine equipment, consumer electronic product, industry (comprising military project) product have and uses widely, for example all kinds of high precision, the electronic product elastic button of high request.
Also more and more general with stainless use as electronic product switch button, but existing stainless steel poor-performing, be mainly manifested in surface quality difference, poor flexibility, became uneven, processing difficulties, the problems such as work-ing life is short, cannot meet the accuracy requirement of high-precision electronic product.
Traditional technology uses common SUS301(12Cr17Ni7 on Material selec-tion) stainless steel, product hardness is low, and technique is relatively simple simultaneously: material choice-mono-time rolling-once annealing-reroll-second annealing-tri-time rolling-tri-time cleaning-straightening-stress relief annealing-sub-cut-packaging-warehouse-in.Traditional technology is bell-type stress relief annealing technique, and its product hardness is uneven, and yield strength and elasticity are also uneven; Traditional technology for once straightening process, its template is relatively poor, template warpage; Do not clean after traditional technology is cold rolling, such product surface quality relative mistake; It is three flow process rollings that traditional technology uses 14 rollers to produce, and reduce production efficiency, the rate of output is low.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of production method of electric thin Stainless Steel Band, the Stainless Steel Band good springiness of production, intensity are high, and thickness is even, not yielding and damage.
According to technical scheme provided by the invention, the production method of described electric thin Stainless Steel Band, is characterized in that, comprises following processing step:
(1) material choice: select 12Cr17Ni7 Stainless Steel Band blank, thickness is 0.7 ~ 1.0mm;
(2) rollings: use 20 roller precision cold-rolled units, under the rolling tensile force of the rolling load of 180 ~ 350KN, 22 ~ 55KN, with the roll speed of 100 ~ 150 ms/min, thickness is become by rolling stainless steel band to be the work in-process Stainless Steel Band of 0.16 ~ 0.18mm, thickness deviation is-0.005 millimeter, and rolling pass is 6 ~ 8 times;
(3) once cleaning: by work in-process Stainless Steel Band with the linear velocity of 40 ~ 50 ms/min, is the continuous degreasing cleaning unit of 70 ~ 80 DEG C by temperature;
(4) once anneal: the work in-process Stainless Steel Band after step (3) being processed is with the linear velocity of 9 ~ 11 ms/min, by the continous way spray hydrogen bright annealing oven that temperature is 1080 ~ 1120 DEG C, and hydrogen is filled as shielding gas to the work in-process Stainless Steel Band in annealing furnace;
(5) reroll: use 20 roller precision cold-rolled units, under the rolling load, 10 ~ 35KN rolling tensile force of 100 ~ 230KN, with the roll speed of 70 ~ 80 ms/min, thickness is become by the work in-process rolling stainless steel band of 0.16 ~ 0.18mm to be the work in-process Stainless Steel Band of 0.03 ~ 0.05mm, thickness deviation is-0.003 millimeter, and rolling pass is 4 ~ 6 times;
(6) secondary cleaning: the work in-process Stainless Steel Band after step (5) being processed, with the linear velocity of 40 ~ 50 ms/min, is the continuous degreasing cleaning unit of 70 ~ 80 DEG C by temperature;
(7) straightenings: use the accurate stretch bending-straightening machine of 23 rollers, the work in-process Stainless Steel Band after step (6) process is aligned, makes the roughness of work in-process Stainless Steel Band be less than 0.5mm/2 rice;
(8) continuous stress relief annealing: the work in-process Stainless Steel Band after step (7) being processed is with the linear velocity of 4.5 ~ 7 ms/min, by the continous way spray hydrogen bright annealing oven that temperature is 300 ~ 500 DEG C, and hydrogen is filled as shielding gas to the work in-process Stainless Steel Band in annealing furnace;
(9) reverse drawing is rectified: use the accurate stretch bending-straightening machine of 23 rollers, carry out straightening to the work in-process Stainless Steel Band after step (8) process towards the direction that warp direction is contrary;
(10) sub-cut: adopt accurate shearing machine to be divided by the work in-process Stainless Steel Band after step (9) process and be cut into required size, namely obtain described electric thin Stainless Steel Band.
The roll adopted during described step (5) reroll is through milled processed, and roll surface roughness is less than 0.1 μm.
The present invention innovates technique, meticulously selects raw material, adds stress relief annealing, straightening and repeatedly matting, the product good springiness of production simultaneously, intensity is high, and thickness is even, surface aesthetic, not yielding and damage, the features such as long service life, meet service requirements preferably; The present invention adopts continuous stress relief annealing technique, improves like this and ensures the hardness of product, yield strength and elastic homogeneity; Invention increases reverse drawing to rectify, according to the warp direction of steel band, carry out anti-warp direction straightening, make the template of material better; Invention increases repeatedly cleaning process, must clean before annealing and ensure that steel band is without greasy dirt, avoids anneal oxidation, greatly improves the surface quality of product like this; The present invention uses 20 roller aximal deformation value rollings to be reduced to two flow process rollings, raises the efficiency about 50%.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment one: a kind of production method of electric thin Stainless Steel Band, comprises following processing step:
(1) material choice: select 12Cr17Ni7 Stainless Steel Band blank, thickness is 0.7mm;
(2) rollings: use 20 roller precision cold-rolled units, under the rolling tensile force of the rolling load of 180KN, 22KN, with the roll speed of 100 ms/min, thickness is become by rolling stainless steel band to be the work in-process Stainless Steel Band of 0.16mm, thickness deviation is-0.005 millimeter, and rolling pass is 6 times;
(3) once cleaning: by work in-process Stainless Steel Band with the linear velocity of 40 ms/min, is the continuous degreasing cleaning unit of 70 DEG C by temperature; Main purpose removes work in-process stainless steel band surface greasy dirt, ensures work in-process stainless steel band surface quality, prevents anneal oxidation surface;
(4) once anneal: the work in-process Stainless Steel Band after step (3) being processed is with the linear velocity of 9 ms/min, by the continous way spray hydrogen bright annealing oven that temperature is 1080 DEG C, and hydrogen is filled as shielding gas to the work in-process Stainless Steel Band in annealing furnace, guarantee work in-process stainless steel band surface light, avoid occurring oxidation; The object of once annealing eliminates the work hardening phenomenon occurred in cold-rolled process, ensures the comprehensive mechanical performance that material is good;
(5) reroll: use 20 roller precision cold-rolled units, under the rolling load, 10KN rolling tensile force of 100KN, with the roll speed of 70 ms/min, thickness is become by the work in-process rolling stainless steel band of 0.16mm to be the work in-process Stainless Steel Band of 0.03mm, thickness deviation is-0.003 millimeter, and rolling pass is 4 times; The roll adopted during reroll is through milled processed, and roll surface roughness is less than 0.1 μm, and after making rolling, work in-process stainless steel band surface quality is good, and after rolling, work in-process stainless steel band surface roughness is lower than 0.2 μm, and glossiness is high, good springiness;
(6) secondary cleaning: the work in-process Stainless Steel Band after step (5) being processed, with the linear velocity of 40 ms/min, is the continuous degreasing cleaning unit of 70 DEG C by temperature; The object of secondary cleaning removes the defects such as pollution that steel strip surface may exist, ensures work in-process stainless steel band surface quality;
(7) straightenings: use the accurate stretch bending-straightening machine of 23 rollers, the work in-process Stainless Steel Band after step (6) process is aligned, makes the roughness of work in-process Stainless Steel Band be less than 0.5mm/2 rice;
(8) continuous stress relief annealing: the work in-process Stainless Steel Band after step (7) being processed is with the linear velocity of 4.5 ms/min, by the continous way spray hydrogen bright annealing oven that temperature is 300 DEG C, and hydrogen is filled as shielding gas to the work in-process Stainless Steel Band in annealing furnace, guarantee work in-process stainless steel band surface light; The object of continuous stress relief annealing is the internal stress produced when eliminating cold rolling, reaches hardness, yield strength, elastic homogeneity
(9) reverse drawing is rectified: use the accurate stretch bending-straightening machine of 23 rollers, carry out straightening, reach the steel band after sub-cut and vertically place vertically rear without crimp, reach straight effect the work in-process Stainless Steel Band after step (8) process towards the direction that warp direction is contrary;
(10) sub-cut: adopt accurate shearing machine to be divided by the work in-process Stainless Steel Band after step (9) process and be cut into required size, namely obtain described electric thin Stainless Steel Band.
Electric thin Stainless Steel Band of the present invention has following performance: (1) thickness evenness is good: product thickness good uniformity, and thickness deviation is below-0.005 millimeter, and roughness is less than 0.5 millimeter/2 meters, and camber is less than 1 millimeter/1 meter; (2) hardness is high, and hardness reaches more than HV530; (3) good springiness: Young's modulus is higher, general elasticity is better, and usual yield strength replaces characterizing another bad leading indicator of good springiness, and yield strength is higher, then elasticity is better; Yield strength reaches 1550MPa, Young's modulus is 235GPA(× 1000 MPa) more than, and used the yield strength of material generally can only reach 1300MPa in the past, Young's modulus is 184GPA(× 1000 MPa), as can be seen from yield strength and Young's modulus numerical value, the elasticity of the product produced with present invention process exceeds the material used in the past far away; Finished product have passed 300,000 fatigue tests repeatedly, and the fatigue test of traditional material by about 200,000 times, can only substantially increase work-ing life; (4) surface quality is good: Strip Shape Control is good, and steel strip surface does not occur fine cracks, ensure that surface quality.
Embodiment two: a kind of production method of electric thin Stainless Steel Band, comprises following processing step:
(1) material choice: select 12Cr17Ni7 Stainless Steel Band blank, thickness is 1.0mm;
(2) rollings: use 20 roller precision cold-rolled units, under the rolling tensile force of the rolling load of 350KN, 55KN, with the roll speed of 150 ms/min, thickness is become by rolling stainless steel band to be the work in-process Stainless Steel Band of 0.18mm, thickness deviation is-0.005 millimeter, and rolling pass is 8 times;
(3) once cleaning: by work in-process Stainless Steel Band with the linear velocity of 50 ms/min, is the continuous degreasing cleaning unit of 80 DEG C by temperature; Main purpose removes work in-process stainless steel band surface greasy dirt, ensures work in-process stainless steel band surface quality, prevents anneal oxidation surface;
(4) once anneal: the work in-process Stainless Steel Band after step (3) being processed is with the linear velocity of 11 ms/min, by the continous way spray hydrogen bright annealing oven that temperature is 1120 DEG C, and hydrogen is filled as shielding gas to the work in-process Stainless Steel Band in annealing furnace, guarantee work in-process stainless steel band surface light, avoid occurring oxidation; The object of once annealing eliminates the work hardening phenomenon occurred in cold-rolled process, ensures the comprehensive mechanical performance that material is good;
(5) reroll: use 20 roller precision cold-rolled units, under the rolling load, 35KN rolling tensile force of 230KN, with the roll speed of 80 ms/min, thickness is become by the work in-process rolling stainless steel band of 0.18mm to be the work in-process Stainless Steel Band of 0.05mm, thickness deviation is-0.003 millimeter, and rolling pass is 6 times; The roll adopted during reroll is through milled processed, and roll surface roughness is less than 0.1 μm, and after making rolling, work in-process stainless steel band surface quality is good, and after rolling, work in-process stainless steel band surface roughness is lower than 0.2 μm, and glossiness is high, good springiness;
(6) secondary cleaning: the work in-process Stainless Steel Band after step (5) being processed, with the linear velocity of 50 ms/min, is the continuous degreasing cleaning unit of 80 DEG C by temperature; The object of secondary cleaning removes the defects such as pollution that steel strip surface may exist, ensures work in-process stainless steel band surface quality;
(7) straightenings: use the accurate stretch bending-straightening machine of 23 rollers, the work in-process Stainless Steel Band after step (6) process is aligned, makes the roughness of work in-process Stainless Steel Band be less than 0.5mm/2 rice;
(8) continuous stress relief annealing: the work in-process Stainless Steel Band after step (7) being processed is with the linear velocity of 7 ms/min, by the continous way spray hydrogen bright annealing oven that temperature is 500 DEG C, and hydrogen is filled as shielding gas to the work in-process Stainless Steel Band in annealing furnace, guarantee work in-process stainless steel band surface light; The object of continuous stress relief annealing is the internal stress produced when eliminating cold rolling, reaches hardness, yield strength, elastic homogeneity
(9) reverse drawing is rectified: use the accurate stretch bending-straightening machine of 23 rollers, carry out straightening, reach the steel band after sub-cut and vertically place vertically rear without crimp, reach straight effect the work in-process Stainless Steel Band after step (8) process towards the direction that warp direction is contrary;
(10) sub-cut: adopt accurate shearing machine to be divided by the work in-process Stainless Steel Band after step (9) process and be cut into required size, namely obtain described electric thin Stainless Steel Band.
Embodiment three: a kind of production method of electric thin Stainless Steel Band, comprises following processing step:
(1) material choice: select 12Cr17Ni7 Stainless Steel Band blank, thickness is 0.8mm;
(2) rollings: use 20 roller precision cold-rolled units, under the rolling tensile force of the rolling load of 200KN, 36KN, with the roll speed of 120 ms/min, thickness is become by rolling stainless steel band to be the work in-process Stainless Steel Band of 0.17mm, thickness deviation is-0.005 millimeter, and rolling pass is 7 times;
(3) once cleaning: by work in-process Stainless Steel Band with the linear velocity of 45 ms/min, is the continuous degreasing cleaning unit of 75 DEG C by temperature; Main purpose removes work in-process stainless steel band surface greasy dirt, ensures work in-process stainless steel band surface quality, prevents anneal oxidation surface;
(4) once anneal: the work in-process Stainless Steel Band after step (3) being processed is with the linear velocity of 10 ms/min, by the continous way spray hydrogen bright annealing oven that temperature is 1100 DEG C, and hydrogen is filled as shielding gas to the work in-process Stainless Steel Band in annealing furnace, guarantee work in-process stainless steel band surface light, avoid occurring oxidation; The object of once annealing eliminates the work hardening phenomenon occurred in cold-rolled process, ensures the comprehensive mechanical performance that material is good;
(5) reroll: use 20 roller precision cold-rolled units, under the rolling load, 20KN rolling tensile force of 200KN, with the roll speed of 75 ms/min, thickness is become by the work in-process rolling stainless steel band of 0.17mm to be the work in-process Stainless Steel Band of 0.04mm, thickness deviation is-0.003 millimeter, and rolling pass is 5 times; The roll adopted during reroll is through milled processed, and roll surface roughness is less than 0.1 μm, and after making rolling, work in-process stainless steel band surface quality is good, and after rolling, work in-process stainless steel band surface roughness is lower than 0.2 μm, and glossiness is high, good springiness;
(6) secondary cleaning: the work in-process Stainless Steel Band after step (5) being processed, with the linear velocity of 45 ms/min, is the continuous degreasing cleaning unit of 75 DEG C by temperature; The object of secondary cleaning removes the defects such as pollution that steel strip surface may exist, ensures work in-process stainless steel band surface quality;
(7) straightenings: use the accurate stretch bending-straightening machine of 23 rollers, the work in-process Stainless Steel Band after step (6) process is aligned, makes the roughness of work in-process Stainless Steel Band be less than 0.5mm/2 rice;
(8) continuous stress relief annealing: the work in-process Stainless Steel Band after step (7) being processed is with the linear velocity of 5 ms/min, by the continous way spray hydrogen bright annealing oven that temperature is 400 DEG C, and hydrogen is filled as shielding gas to the work in-process Stainless Steel Band in annealing furnace, guarantee work in-process stainless steel band surface light; The object of continuous stress relief annealing is the internal stress produced when eliminating cold rolling, reaches hardness, yield strength, elastic homogeneity
(9) reverse drawing is rectified: use the accurate stretch bending-straightening machine of 23 rollers, carry out straightening, reach the steel band after sub-cut and vertically place vertically rear without crimp, reach straight effect the work in-process Stainless Steel Band after step (8) process towards the direction that warp direction is contrary;
(10) sub-cut: adopt accurate shearing machine to be divided by the work in-process Stainless Steel Band after step (9) process and be cut into required size, namely obtain described electric thin Stainless Steel Band.
Claims (1)
1. a production method for electric thin Stainless Steel Band, is characterized in that, adopts following processing step:
(1) material choice: select 12Cr17Ni7 Stainless Steel Band blank, thickness is 0.8mm;
(2) rollings: use 20 roller precision cold-rolled units, under the rolling tensile force of the rolling load of 200KN, 36KN, with the roll speed of 120 ms/min, thickness is become by rolling stainless steel band to be the work in-process Stainless Steel Band of 0.17mm, thickness deviation is-0.005 millimeter, and rolling pass is 7 times;
(3) once cleaning: by work in-process Stainless Steel Band with the linear velocity of 45 ms/min, is the continuous degreasing cleaning unit of 75 DEG C by temperature;
(4) once anneal: the work in-process Stainless Steel Band after step (3) being processed, with the linear velocity of 10 ms/min, is the continous way spray hydrogen bright annealing oven of 1100 DEG C by temperature, and fills hydrogen as shielding gas to the work in-process Stainless Steel Band in annealing furnace;
(5) reroll: use 20 roller precision cold-rolled units, under the rolling load, 20KN rolling tensile force of 200KN, with the roll speed of 75 ms/min, thickness is become by the work in-process rolling stainless steel band of 0.17mm to be the work in-process Stainless Steel Band of 0.04mm, thickness deviation is-0.003 millimeter, and rolling pass is 5 times; The roll adopted during reroll is through milled processed, and roll surface roughness is less than 0.1 μm;
(6) secondary cleaning: the work in-process Stainless Steel Band after step (5) being processed, with the linear velocity of 45 ms/min, is the continuous degreasing cleaning unit of 75 DEG C by temperature;
(7) straightenings: use the accurate stretch bending-straightening machine of 23 rollers, the work in-process Stainless Steel Band after step (6) process is aligned, makes the roughness of work in-process Stainless Steel Band be less than 0.5mm/2 rice;
(8) continuous stress relief annealing: the work in-process Stainless Steel Band after step (7) being processed, with the linear velocity of 5 ms/min, is the continous way spray hydrogen bright annealing oven of 400 DEG C by temperature, and fills hydrogen as shielding gas to the work in-process Stainless Steel Band in annealing furnace;
(9) reverse drawing is rectified: use the accurate stretch bending-straightening machine of 23 rollers, carry out straightening to the work in-process Stainless Steel Band after step (8) process towards the direction that warp direction is contrary;
(10) sub-cut: adopt accurate shearing machine to be divided by the work in-process Stainless Steel Band after step (9) process and be cut into required size, namely obtain described electric thin Stainless Steel Band.
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Denomination of invention: Production method of stainless steel strip for electronic thin films Effective date of registration: 20230926 Granted publication date: 20160106 Pledgee: Bank of Jiangsu Limited by Share Ltd. Wuxi branch Pledgor: WUXI BAOSHUN STAINLESS STEEL Co.,Ltd. Registration number: Y2023980058969 |
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