CN103934300A - Production method of stainless steel belt with sandblast surface for electronic circuit board - Google Patents
Production method of stainless steel belt with sandblast surface for electronic circuit board Download PDFInfo
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- CN103934300A CN103934300A CN201410110449.3A CN201410110449A CN103934300A CN 103934300 A CN103934300 A CN 103934300A CN 201410110449 A CN201410110449 A CN 201410110449A CN 103934300 A CN103934300 A CN 103934300A
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Abstract
The invention relates to a production method of a stainless steel belt with a sandblast surface for electronic circuit board. The production method is characterized by comprising the following technological steps: (1) selecting a 06Cr19Ni10 stainless steel belt blank material; (2) grinding a roller until the surface roughness of the roller reaches 0.15 to 0.2 [mu]m; blowing sands to the roller surface to form a sand layer by high-pressure air; washing the roller by an ultrasonic washing machine; (3) installing the roller on a cold-rolling mill assembly to roll a stainless steel belt so as to make sands be attached on the surface of a work roller; (4) making the stainless steel belt blank material in the step (1) orderly go through the following steps: primary rolling, primary annealing, primary washing, secondary rolling, secondary washing, withdrawing and straightening, and cutting so as to obtain the stainless belt with a sandblast surface for electronic circuit board; wherein in the primary rolling process and the second rolling process, the cold-rolling mill assembly in the step (3) is adopted. In the production method, a roller is subjected to a pretreatment to control the sandblast roller surface roughness so as to guarantee the product quality requirement and usage requirement, and moreover, the rigidity of the circuit board is strengthened.
Description
Technical field
The present invention relates to a kind of production method of stainless steel band, the production method of grit-blasted surface stainless steel band for especially a kind of electronic circuit board.
Background technology
Traditional electronic circuit board adopts complicated production technology, board substrate uses reinforcing material (Reinforeing Material) conventionally, soak with resin adhesive, by oven dry, cutting, be overlapped into blank, then be covered with Copper Foil,, be shaped processing and make board substrate through HTHP in hot press as mould with steel plate.
The shortcoming of traditional handicraft is: wiring board intensity is lower, fragile; Not fire-retardant; Whole production process causes certain pollution to environment.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, the production method of a kind of electronic circuit board grit-blasted surface stainless steel band is provided, breaker roll carries out pretreatment, controls sandblast roller surface fineness of sand, ensures quality requirement and the instructions for use of product; Strengthened the rigidity of wiring board, improved fire resistance, the pollution to environment in production process is little.
According to technical scheme provided by the invention, the production method of grit-blasted surface stainless steel band for described electronic circuit board, is characterized in that, comprises following processing step:
(1) raw material is selected: select 06Cr19Ni10 stainless steel band blank, thickness is 0.7 ~ 0.9mm;
(2) make sandblast working roll: adopt 80 object emery wheels to grind the roll of milling train, grinding wheel speed is 70 ~ 80 revs/min, and the roughness that makes roller surface is 0.15 ~ 0.2 μ m; Be that 30 ~ 60 object sand grains are blown and beaten at roller surface with pressure-air by particle diameter again, make roller surface form sand grains layer; Then adopt supersonic wave cleaning machine breaker roll to clean 2 ~ 4 minutes, obtain the roll that surface roughness is 1.5 ~ 4.0 μ m;
(3) step (2) roll after treatment is arranged in ten 4-roller cold rolling mill groups, under the rolling tensile force of the roll-force of 100 ~ 200KN, 5 ~ 55KN, with the long stainless steel belt of the mill speed rolling 2000 ~ 4000m of 160 ~ 450m/ minute, make sand grains be attached to work roll surface;
(4) rollings: the 14 roller precision cold-rolled units that adopt step (3), under the rolling tensile force of the roll-force of 150 ~ 400 KN, 5 ~ 60 KN, with the mill speed of 80 ~ 150 ms/min, the stainless steel band blank of step (1) is rolled into the semi-finished product stainless steel band that thickness is 0.20 ~ 0.40mm, thickness deviation is-0.01 millimeter, and rolling pass is 8 times;
(5) once annealing: the linear velocity by semi-finished product stainless steel band after treatment step (4) with 8 ~ 14 ms/min, be the continous way spray hydrogen bright annealing furnace of 1050 ~ 1110 DEG C by temperature, and the semi-finished product stainless steel band in annealing furnace is filled to hydrogen as protective gas;
(6) once clean: the linear velocity by semi-finished product stainless steel band with 50 ~ 90 ms/min, the continuous degreasing that is 60 ~ 80 DEG C by temperature cleans unit, and cleaning agent is water;
(7) reroll: the 14 roller precision cold-rolled units that adopt step (3), under the roll-force of 100 ~ 350 KN, 5 ~ 50 KN rolling tensile forces, with the mill speed of 60 ~ 120 ms/min, it is the semi-finished product stainless steel band of 0.15 ~ 0.35 mm that semi-finished product rolling stainless steel band is become to thickness, thickness deviation is-0.005 millimeter, rolling pass is 2 times, the semi-finished product stainless steel band surface roughness Ra=1.50 ~ 1.65 μ m obtaining;
(8) secondary cleaning: the linear velocity by semi-finished product stainless steel band after treatment step (7) with 60 ~ 100 ms/min, the continuous degreasing that is 60 ~ 80 DEG C by temperature cleans unit, and cleaning agent is water;
(9) straightening: use the accurate stretch bending-straightening machine of 23 rollers, step (8) semi-finished product stainless steel band after treatment is aligned, make the unevenness of semi-finished product stainless steel band be less than 0.3 mm/2 rice;
(10) sub-cut: adopt accurate shearing machine that semi-finished product stainless steel band after treatment step (9) is divided and is cut into required size, obtain described electronic circuit board grit-blasted surface stainless steel band.
In described step (10), sub-cut speed is 80 ~ 150 ms/min.
The hardness of the semi-finished product stainless steel band that described step (7) obtains is HV 250 ~ 350.
The hardness of the semi-finished product stainless steel band that described step (9) obtains is HV260 ~ 360.
The present invention has the following advantages: (1) breaker roll of the present invention carries out pretreatment, obtains sandblast roller, controls sandblast roller surface fineness of sand, ensures quality requirement and the instructions for use of product; (2) use stainless steel to make base material, strengthened the rigidity of wiring board, can improve fire resistance; Stainless steel can reclaim, and production process is very little to the pollution of environment in addition.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment mono-: the production method of grit-blasted surface stainless steel band for electronic circuit board, comprises following processing step:
(1) raw material is selected: select 06Cr19Ni10 stainless steel band blank, thickness is 0.7mm;
(2) make sandblast working roll: adopt 80 object emery wheels to grind the roll of milling train, grinding wheel speed is 70 revs/min, and the roughness that makes roller surface is 0.15 μ m; Be that 30 object sand grains are blown and beaten at roller surface with pressure-air by particle diameter again, make roller surface form sand grains layer; Then adopt supersonic wave cleaning machine breaker roll to clean 2 minutes, obtain the roll that surface roughness is 1.5 μ m;
(3) step (2) roll after treatment is arranged in ten 4-roller cold rolling mill groups, under the rolling tensile force of the roll-force of 100KN, 5KN, with the long stainless steel belt of the mill speed rolling 2000m of 160m/ minute, makes sand grains be attached to work roll surface;
(4) rollings: the 14 roller precision cold-rolled units that adopt step (3), under the rolling tensile force of the roll-force of 150 KN, 5 KN, with the mill speed of 80 ms/min, the stainless steel band blank of step (1) is rolled into the semi-finished product stainless steel band that thickness is 0.20mm, thickness deviation is-0.01 millimeter, and rolling pass is 8 times;
(5) once annealing: the linear velocity by semi-finished product stainless steel band after treatment step (4) with 8 ms/min, is the continous way spray hydrogen bright annealing furnace of 1050 DEG C by temperature, and the semi-finished product stainless steel band in annealing furnace is filled to hydrogen as protective gas;
(6) once clean: the linear velocity by semi-finished product stainless steel band with 50 ms/min, the continuous degreasing that is 60 DEG C by temperature cleans unit, and cleaning agent is water;
(7) reroll: the 14 roller precision cold-rolled units that adopt step (3), under the roll-force of 100 KN, 5 KN rolling tensile forces, with the mill speed of 60 ms/min, it is the semi-finished product stainless steel band of 0.15 mm that semi-finished product rolling stainless steel band is become to thickness, thickness deviation is-0.005 millimeter, rolling pass is 2 times, the semi-finished product stainless steel band surface roughness Ra=1.50 μ m obtaining, and hardness is HV 250;
(8) secondary cleaning: the linear velocity by semi-finished product stainless steel band after treatment step (7) with 60 ms/min, the continuous degreasing that is 60 DEG C by temperature cleans unit, and cleaning agent is water;
(9) straightening: use the accurate stretch bending-straightening machine of 23 rollers, step (8) semi-finished product stainless steel band after treatment is aligned, make the unevenness of semi-finished product stainless steel band be less than 0.3 mm/2 rice, hardness is HV260;
(10) sub-cut: adopt accurate shearing machine that semi-finished product stainless steel band after treatment step (9) is divided and is cut into required size, sub-cut speed is 80 ms/min, obtains described electronic circuit board grit-blasted surface stainless steel band.
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 unevenness is less than 0.3 millimeter/2 meters, and camber is less than 0.8 millimeter/1 meter; (2) hardness is high, and hardness reaches HV260 ~ 360, and on whole piece steel band, the variation of hardness is no more than HV15; (3) product is poor with bar: below 0.003 millimeter; (4) surface roughness: Ra=1.50 ~ 1.65 micron.
Embodiment bis-: the production method of grit-blasted surface stainless steel band for electronic circuit board, comprises following processing step:
(1) raw material is selected: select 06Cr19Ni10 stainless steel band blank, thickness is 0.9mm;
(2) make sandblast working roll: adopt 80 object emery wheels to grind the roll of milling train, grinding wheel speed is 80 revs/min, and the roughness that makes roller surface is 0.2 μ m; Be that 60 object sand grains are blown and beaten at roller surface with pressure-air by particle diameter again, make roller surface form sand grains layer; Then adopt supersonic wave cleaning machine breaker roll to clean 4 minutes, obtain the roll that surface roughness is 4.0 μ m;
(3) step (2) roll after treatment is arranged in ten 4-roller cold rolling mill groups, under the rolling tensile force of the roll-force of 200KN, 55KN, with the long stainless steel belt of the mill speed rolling 4000m of 450m/ minute, makes sand grains be attached to work roll surface;
(4) rollings: the 14 roller precision cold-rolled units that adopt step (3), under the rolling tensile force of the roll-force of 400 KN, 60 KN, with the mill speed of 150 ms/min, the stainless steel band blank of step (1) is rolled into the semi-finished product stainless steel band that thickness is 0.40mm, thickness deviation is-0.01 millimeter, and rolling pass is 8 times;
(5) once annealing: the linear velocity by semi-finished product stainless steel band after treatment step (4) with 14 ms/min, is the continous way spray hydrogen bright annealing furnace of 1110 DEG C by temperature, and the semi-finished product stainless steel band in annealing furnace is filled to hydrogen as protective gas;
(6) once clean: the linear velocity by semi-finished product stainless steel band with 90 ms/min, the continuous degreasing that is 80 DEG C by temperature cleans unit, and cleaning agent is water;
(7) reroll: the 14 roller precision cold-rolled units that adopt step (3), under the roll-force of 350 KN, 50 KN rolling tensile forces, with the mill speed of 120 ms/min, it is the semi-finished product stainless steel band of 0.35 mm that semi-finished product rolling stainless steel band is become to thickness, thickness deviation is-0.005 millimeter, rolling pass is 2 times, the semi-finished product stainless steel band surface roughness Ra=1.65 μ m obtaining, and hardness is HV 350;
(8) secondary cleaning: the linear velocity by semi-finished product stainless steel band after treatment step (7) with 100 ms/min, the continuous degreasing that is 80 DEG C by temperature cleans unit, and cleaning agent is water;
(9) straightening: use the accurate stretch bending-straightening machine of 23 rollers, step (8) semi-finished product stainless steel band after treatment is aligned, make the unevenness of semi-finished product stainless steel band be less than 0.3 mm/2 rice, hardness is HV360;
(10) sub-cut: adopt accurate shearing machine that semi-finished product stainless steel band after treatment step (9) is divided and is cut into required size, sub-cut speed is 150 ms/min, obtains described electronic circuit board grit-blasted surface stainless steel band.
Embodiment tri-: the production method of grit-blasted surface stainless steel band for electronic circuit board, comprises following processing step:
(1) raw material is selected: select 06Cr19Ni10 stainless steel band blank, thickness is 0.8mm;
(2) make sandblast working roll: adopt 80 object emery wheels to grind the roll of milling train, grinding wheel speed is 75 revs/min, and the roughness that makes roller surface is 0.16 μ m; Be that 50 object sand grains are blown and beaten at roller surface with pressure-air by particle diameter again, make roller surface form sand grains layer; Then adopt supersonic wave cleaning machine breaker roll to clean 3 minutes, obtain the roll that surface roughness is 2.0 μ m;
(3) step (2) roll after treatment is arranged in ten 4-roller cold rolling mill groups, under the rolling tensile force of the roll-force of 150KN, 25KN, with the long stainless steel belt of the mill speed rolling 3000m of 300m/ minute, makes sand grains be attached to work roll surface;
(4) rollings: the 14 roller precision cold-rolled units that adopt step (3), under the rolling tensile force of the roll-force of 200 KN, 30 KN, with the mill speed of 100 ms/min, the stainless steel band blank of step (1) is rolled into the semi-finished product stainless steel band that thickness is 0.30mm, thickness deviation is-0.01 millimeter, and rolling pass is 8 times;
(5) once annealing: the linear velocity by semi-finished product stainless steel band after treatment step (4) with 10 ms/min, is the continous way spray hydrogen bright annealing furnace of 1100 DEG C by temperature, and the semi-finished product stainless steel band in annealing furnace is filled to hydrogen as protective gas;
(6) once clean: the linear velocity by semi-finished product stainless steel band with 60 ms/min, the continuous degreasing that is 70 DEG C by temperature cleans unit, and cleaning agent is water;
(7) reroll: the 14 roller precision cold-rolled units that adopt step (3), under the roll-force of 200 KN, 30 KN rolling tensile forces, with the mill speed of 100 ms/min, it is the semi-finished product stainless steel band of 0.25 mm that semi-finished product rolling stainless steel band is become to thickness, thickness deviation is-0.005 millimeter, rolling pass is 2 times, the semi-finished product stainless steel band surface roughness Ra=1.60 μ m obtaining, and hardness is HV 250;
(8) secondary cleaning: the linear velocity by semi-finished product stainless steel band after treatment step (7) with 80 ms/min, the continuous degreasing that is 70 DEG C by temperature cleans unit, and cleaning agent is water;
(9) straightening: use the accurate stretch bending-straightening machine of 23 rollers, step (8) semi-finished product stainless steel band after treatment is aligned, make the unevenness of semi-finished product stainless steel band be less than 0.3 mm/2 rice, hardness is HV260;
(10) sub-cut: adopt accurate shearing machine that semi-finished product stainless steel band after treatment step (9) is divided and is cut into required size, sub-cut speed is 100 ms/min, obtains described electronic circuit board grit-blasted surface stainless steel band.
Claims (4)
1. a production method for grit-blasted surface stainless steel band for electronic circuit board, is characterized in that, comprises following processing step:
(1) raw material is selected: select 06Cr19Ni10 stainless steel band blank, thickness is 0.7 ~ 0.9mm;
(2) make sandblast working roll: adopt 80 object emery wheels to grind the roll of milling train, grinding wheel speed is 70 ~ 80 revs/min, and the roughness that makes roller surface is 0.15 ~ 0.2 μ m; Be that 30 ~ 60 object sand grains are blown and beaten at roller surface with pressure-air by particle diameter again, make roller surface form sand grains layer; Then adopt supersonic wave cleaning machine breaker roll to clean 2 ~ 4 minutes, obtain the roll that surface roughness is 1.5 ~ 4.0 μ m;
(3) step (2) roll after treatment is arranged in ten 4-roller cold rolling mill groups, under the rolling tensile force of the roll-force of 100 ~ 200KN, 5 ~ 55KN, with the long stainless steel belt of the mill speed rolling 2000 ~ 4000m of 160 ~ 450m/ minute, make sand grains be attached to work roll surface;
(4) rollings: the 14 roller precision cold-rolled units that adopt step (3), under the rolling tensile force of the roll-force of 150 ~ 400 KN, 5 ~ 60 KN, with the mill speed of 80 ~ 150 ms/min, the stainless steel band blank of step (1) is rolled into the semi-finished product stainless steel band that thickness is 0.20 ~ 0.40mm, thickness deviation is-0.01 millimeter, and rolling pass is 8 times;
(5) once annealing: the linear velocity by semi-finished product stainless steel band after treatment step (4) with 8 ~ 14 ms/min, be the continous way spray hydrogen bright annealing furnace of 1050 ~ 1110 DEG C by temperature, and the semi-finished product stainless steel band in annealing furnace is filled to hydrogen as protective gas;
(6) once clean: the linear velocity by semi-finished product stainless steel band with 50 ~ 90 ms/min, the continuous degreasing that is 60 ~ 80 DEG C by temperature cleans unit, and cleaning agent is water;
(7) reroll: the 14 roller precision cold-rolled units that adopt step (3), under the roll-force of 100 ~ 350 KN, 5 ~ 50 KN rolling tensile forces, with the mill speed of 60 ~ 120 ms/min, it is the semi-finished product stainless steel band of 0.15 ~ 0.35 mm that semi-finished product rolling stainless steel band is become to thickness, thickness deviation is-0.005 millimeter, rolling pass is 2 times, the semi-finished product stainless steel band surface roughness Ra=1.50 ~ 1.65 μ m obtaining;
(8) secondary cleaning: the linear velocity by semi-finished product stainless steel band after treatment step (7) with 60 ~ 100 ms/min, the continuous degreasing that is 60 ~ 80 DEG C by temperature cleans unit, and cleaning agent is water;
(9) straightening: use the accurate stretch bending-straightening machine of 23 rollers, step (8) semi-finished product stainless steel band after treatment is aligned, make the unevenness of semi-finished product stainless steel band be less than 0.3 mm/2 rice;
(10) sub-cut: adopt accurate shearing machine that semi-finished product stainless steel band after treatment step (9) is divided and is cut into required size, obtain described electronic circuit board grit-blasted surface stainless steel band.
2. the production method of grit-blasted surface stainless steel band for electronic circuit board as claimed in claim 1, is characterized in that: in described step (10), sub-cut speed is 80 ~ 150 ms/min.
3. the production method of grit-blasted surface stainless steel band for electronic circuit board as claimed in claim 1, is characterized in that: the hardness of the semi-finished product stainless steel band that described step (7) obtains is HV 250 ~ 350.
4. the production method of grit-blasted surface stainless steel band for electronic circuit board as claimed in claim 1, is characterized in that: the hardness of the semi-finished product stainless steel band that described step (9) obtains is HV260 ~ 360.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105081981A (en) * | 2015-08-24 | 2015-11-25 | 江门市华津金属制品有限公司 | Optimization process of surface roughing of cold rolling carbon thin steel sheet |
| CN109352428A (en) * | 2018-09-10 | 2019-02-19 | 山西太钢不锈钢股份有限公司 | The manufacturing method of sandblasting roller |
| CN110293147A (en) * | 2019-04-26 | 2019-10-01 | 无锡华生精密材料股份有限公司 | A kind of production method of high anti-oxidation electric heating stainless steel band |
| CN111570508A (en) * | 2020-05-11 | 2020-08-25 | 山西太钢不锈钢股份有限公司 | Frosted surface stainless steel and cold rolling method thereof |
| CN113001104A (en) * | 2019-12-22 | 2021-06-22 | 深圳市新盛机器人有限公司 | Special construction method for robot body |
| CN113118218A (en) * | 2021-04-25 | 2021-07-16 | 上海枫元金属科技有限公司 | Production method of super-hard precise stainless steel strip sand blasting roughened surface for elastic sheet |
| CN113215372A (en) * | 2021-04-12 | 2021-08-06 | 太原日德泰兴精密不锈钢股份有限公司 | Production method of stainless steel band for medical clamp |
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| CN113215372A (en) * | 2021-04-12 | 2021-08-06 | 太原日德泰兴精密不锈钢股份有限公司 | Production method of stainless steel band for medical clamp |
| CN113215372B (en) * | 2021-04-12 | 2022-08-12 | 太原日德泰兴精密不锈钢股份有限公司 | Production method of stainless steel band for medical clamp |
| CN113118218A (en) * | 2021-04-25 | 2021-07-16 | 上海枫元金属科技有限公司 | Production method of super-hard precise stainless steel strip sand blasting roughened surface for elastic sheet |
| CN113118218B (en) * | 2021-04-25 | 2022-09-06 | 上海枫元金属科技有限公司 | Production method of super-hard precise stainless steel strip sand blasting roughened surface for elastic sheet |
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