CN1730181A - Casting-milling process method for manufacturing copper and copper alloy band - Google Patents
Casting-milling process method for manufacturing copper and copper alloy band Download PDFInfo
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Abstract
The invention relates to a processing method for copper and copper alloy strip, which pertains to sheet metal strip casting, heat-rolling and machining technology. Specifically, the invention adopts continuous casting, hot rolling, thermomechanical treatment and machining principle and subjects band of horizontal continuous casting and downward continuous casting to heat preservation and samming, rapidly cooling after directly hot-rolling, on-line surface milling and rolling to built-up coil. Rolling is operated under the condition of exceeding recrystallization temperature and nitrogen protection. In the rolling, dynamic recrystallization of band structure takes place. The invention provides photo-quality and high-accuracy blank for cold rolling of end product.
Description
Technical field:
The present invention relates to a kind of processing method of sheet metal strip, relate in particular to the casting-milling process method of a kind of manufactured copper and copper alloy band.
Background technology:
The manufacture method of copper and copper alloy band in the prior art mainly contains D.C.casting cold-rolling practice and ingot casting hot rolling method, and these traditional two kinds of methods, exists all that operation is many, lumber recovery is low, the high deficiency of band manufacturing cost.First kind of D.C.casting cold-rolling practice is with the D.C.casting made-up belt, through two-sided mill face after, send into carry out in two rollers or the four-high mill cold rolling, carry out under recrystallization temperature owing to rolling, poor, the rolling middle defectives such as open texture that produce a large amount of smooth fractures and cause of the plastic deformation ability of as-cast structure in rolling, all can not eliminate in final heat treatment, therefore, the band that this method is produced can only be used for general purposes.The application of second kind of ingot casting hot rolling method has solved the existing problem of first method, it is to send into after ingot casting with D.C.casting heats to carry out hot rolling in two rollers or the four-high mill, rollingly more than recrystallization temperature, carry out, dynamic recrystallization takes place in copper strips base tissue in rolling, rolling of the rolling back of multi-pass and cooling also will be carried out uncoiling, aligning then, two-sidedly be milled face, rolling and just can be used for cold rolling blank before cold rolling; This hot rolling is to carry out in air, and the made-up belt surface produces a lot of oxides in the operation of rolling, and some oxide of the rolling back of multi-pass is rolled in the made-up belt section inevitably repeatedly, and its performance is had some influences; Most importantly, this manufacture method operation is various, equipment investment is high, lumber recovery is low, efficient is low, cost of goods manufactured is high.
Summary of the invention:
The technical problem that the present invention solves is the deficiency that overcomes above-mentioned prior art, the casting-milling process method of a kind of manufactured copper and copper alloy band is provided, it is few, the low cost of manufacture of manufacturing procedure not only, and the strip quality of producing is good, stable, the lumber recovery height, simultaneously, production efficiency also increases substantially.
Casting-milling process method according to a kind of manufactured copper provided by the invention and copper alloy band may further comprise the steps:
The first step, Strip casting and insulation, samming treatment step: adopt the conticaster of adjustable band base temperature that copper and continuously casting copper alloy are become made-up belt, then under protective atmosphere to the made-up belt that goes out conticaster crystallizer be incubated, samming handles, and made-up belt is on the crystallization onset temperature again of respective material;
Second step, the rolling step of made-up belt: will import band and strip rolling mill through insulation, samming processing back and the made-up belt that is in again on the crystallization onset temperature, and under protective atmosphere, be rolled, and simultaneously rolling temperature be controlled;
In the 3rd step, the quick cooling step after made-up belt is rolling: described made-up belt that will be behind mill milling is quickly cooled to room temperature by the water-bath passage;
In the 4th step, onlinely mill face and batch step: the made-up belt that is cooled to room temperature is carried out the two-sided face that mills handle by the online face machine that mills, and then batch rolling by winder.
The present invention also has following attached technical characterictic:
Wherein said:
The first step, Strip casting and insulation, samming treatment step: described conticaster adopt the horizontal casting stove or under draw continuous casting furnace, the adjusting of described made-up belt temperature realizes by regulating conticaster crystallizer cooling water flow, casting speed, casting temperature and continuous casting specification, and made-up belt after insulation, samming are handled, enter milling train before temperature remain on 450 ℃～900 ℃.
Second step, the rolling step of made-up belt: will be in after insulation, samming are handled that 450 ℃～900 ℃ made-up belt imports two rollers by the roll traction of band and strip rolling mill or four-high mill is rolled, the contraction percentage of area of single pass is 20%～40% when rolling, and by the mode of in described milling train hollow roll, injecting deep fat come the controlled rolling temperature the supplied materials temperature ± 50 ℃ between.
The 3rd step, the quick cooling step after made-up belt is rolling: be that allowing with the made-up belt after 125mm/min～the 1400mm/min mill speed is rolling is the water-bath passage of 0.5～1.m by length, cool to room temperature.
In the 4th step, the online face and batch step of milling: the made-up belt that will be cooled to room temperature carries out the two-sided Milling Process that the single face milling amount is 0.2～1mm by the online two-sided face machine that mills to made-up belt.
In the first step, described conticaster crystallizer cooling water flow is 2000L/h～4000L/h, described casting speed is 100mm/min-500mm/min, and described casting temperature is 1000～1350 ℃, and described continuous casting specification is thickness 15mm-50mm, width 100mm-300mm.
In the first step, described horizontal casting stove is a triplet horizontal casting stove, and described crystallizer is the crystallizer with snakelike cooling water pipe.
In the first step, the vibratory process of made-up belt realizes that by described milling train described made-up belt vibration frequency is 20～200 times/min.
In the first step, described made-up belt vibratory process is by milling train being installed on the line slideway, being moved reciprocatingly by toggle driving mill stand and realize.
In the first step, described made-up belt vibratory process is by realizing with the driven by servomotor milling train.
In second step, described milling train can be that single chassis also can be two tandem rolling units, and the hot oil temperature in the described milling train hollow roll is that 200 ℃ ± 100 ℃, flow are 500L/h-2000L/h.
During the first step and second went on foot, described protective atmosphere was a nitrogen.
Described made-up belt material is TU0, TU1, TU2T1, T2, T3, TP1, TP2, B10, B30, BFe10-1-1, HSn70-1, HAl77-2, H62, H65, H68, QSn6.5-0.1, Qfe2.5.
Realize that principle of the present invention is utilization hot-working and thermomechanical treatment principle, promptly to the online insulation of the made-up belt behind the continuous casting, then with surpass its again the initial temperature of crystallization made-up belt is imported rolling equipment, make made-up belt in the above roll forming of crystallization onset temperature again, cool off fast with the rolled parts that is about to be shaped, cooled made-up belt carries out Milling Process to upper and lower surface simultaneously by milling the face machine again, last rolling and make the former material base of cold rolling needed high-quality, stable performance.
According to the casting-milling process method of a kind of manufactured copper provided by the invention and copper alloy band, prior art has following advantage relatively:
First, casting-milling process method provided by the invention to the made-up belt that goes out continuous cast mold be incubated, samming, guarantee that it enters the preceding temperature of milling train and is on the dynamic recrystallization temperature, dynamic recrystallization takes place in rolling, make not only effectively to cut down the consumption of energy the made-up belt that obtains having the compact crystal tissue after rolling, reduce cost, and improved the lengthening coefficient of made-up belt distortion, thereby make the present invention reach the purpose that improves rolling efficiency and strip quality.
Second, casting-milling process method provided by the invention does not reheat rolling temperature again after not needing cool to room temperature behind the continuous casting, but online direct band warm-rolling system behind the continuous casting, cools off, mills face, rolling, therefore, significantly reduced the manufacturing procedure of band, production efficiency also increases substantially thereupon.
The 3rd; the insulation of made-up belt and samming are handled and are rollingly all carried out in protective atmosphere among the present invention; the oxide that can avoid prior art to carry out being brought in air is rolled down in the made-up belt section and the defectives such as made-up belt poor performance that produce; thereby guarantee the good, stable of strip quality, and improve the lumber recovery of band.
The 4th, among the present invention made-up belt go out crystallizer before the feed mill temperature retention time can make rolling before the temperature of made-up belt by from conduction and homogenising, reduced and rolled the inhomogeneous deformation phenomenon that the back band causes because of variations in temperature, thereby when quick cooling subsequently, can obtain the metallographic structure of complete fine isometric crystal grains, can further improve good property, the stability of strip quality.
The 5th, made-up belt surface after the present invention is rolling is straight, therefore need not align and just can directly enter the two-sided face machine that mills upper and lower surface is milled 0.2-1mm equably, all castings and the rolling middle blemish that produces are removed, not only can save the aligning operation, boost productivity, but also can obtain having the made-up belt of clean surface and high accuracy wall thickness.
The 6th, the needed vibration of continuous casting working procedure made-up belt of the present invention drives made-up belt by milling train and realizes, has not only saved conventional used vibrator, has saved equipment cost, and be convenient to the derivation of foundry goods, and is more compact with being connected of next procedure.
Description of drawings:
The present invention is described in detail below in conjunction with embodiment that accompanying drawing provides:
Fig. 1 is the production line schematic diagram according to level casting rolling copper provided by the invention and copper alloy band;
Fig. 2 is the production line schematic diagram according to vertical casting copper provided by the invention and copper alloy band;
The specific embodiment:
Referring to Fig. 1, Fig. 2, among the figure: 1 is continuous casting furnace, and 2 is crystallizer, and 3 is muff, and 4 is band and strip rolling mill, and 5 are the water-bath passage, and 6 for milling the face machine, and 7 is made-up belt, and 8 is winder.Casting-milling process method according to a kind of manufactured copper provided by the invention and copper alloy band may further comprise the steps:
The first step; Strip casting and insulation, samming treatment step: adopt the conticaster of adjustable band base temperature that copper and continuously casting copper alloy are become made-up belt 7; then under protective atmosphere to the made-up belt 7 that goes out conticaster crystallizer be incubated, samming handles; made-up belt 7 is on the crystallization onset temperature again of respective material, and preferred temperature is 450 ℃～900 ℃.
Wherein: described conticaster comprises continuous casting furnace 1 and crystallizer 2, continuous casting furnace 1 can adopt horizontal casting stove (as shown in Figure 1) or under draw continuous casting furnace (as shown in Figure 2); The adjusting of described made-up belt temperature realizes by regulating conticaster crystallizer cooling water flow, casting speed, casting temperature and four parameters of continuous casting specification, the preferred value of four parameters is respectively, and crystallizer cooling water flow 2000L/h～4000L/h, casting speed 100mm/min-500mm/min, 1000～1350 ℃ of casting temperatures, continuous casting specification are thickness 15mm-50mm* width 100mm-300mm; The insulation of made-up belt can realize by muff 3.
As everyone knows, made-up belt needs vibration during continuous casting, vibration frequency is generally 20～200 times/min, and the vibration among the present invention realizes by milling train, specifically can adopt two kinds of embodiments to realize, first kind of mode is by milling train is installed on the line slideway, thereby by a toggle drive mill stand move reciprocatingly promote made-up belt do draw-instead push away vibration, the second way is by realizing with the driven by servomotor milling train, promptly equally milling train is installed on the line slideway, thus with the driven by servomotor mill stand move reciprocatingly promote made-up belt do draw-instead push away vibration.
Second step; the rolling step of made-up belt: will import band and strip rolling mills 4 through insulation, samming processing back and the made-up belt 7 that is in again between being 450 ℃～900 ℃ on the crystallization onset temperature; and under protective atmosphere, be rolled, simultaneously rolling temperature is controlled to prevent cooling rapidly behind the made-up belt contact roll.Wherein, made-up belt 7 is rolled by roll traction importing two rollers or the four-high mill of band and strip rolling mill, and promptly band and strip rolling mill 4 can be two rollers or four-high mill, and made-up belt 7 is realized importing by the roll traction of band and strip rolling mill; The contraction percentage of area of single pass is 20%～40% when rolling, and by the mode of in described milling train hollow roll, injecting deep fat come the controlled rolling temperature the supplied materials temperature ± 50 ℃ between, preferred hot oil temperature is that 200 ℃ ± 100 ℃, flow are 500L/h-2000L/h; Band and strip rolling mill 4 can be that single chassis also can be two tandem rolling units; The protective atmosphere of this step and the protective atmosphere in the first step are nitrogen, can certainly replace with other inert gas.
The 3rd step, quick cooling step after made-up belt is rolling: described made-up belt 7 that will be behind mill milling is by water-bath passage 5, be quickly cooled to room temperature, being about to the made-up belt 7 after 125mm/min～the 1400mm/min mill speed is rolling is the water-bath passage 5 of 0.5～1.m by length, cool to room temperature.The type of cooling can be that to spray also can be to soak.Cooling essence is a kind of thermomechanical treatment fast, and its purpose mainly is the crystal grain of refinement copper and copper alloy band, makes band of the present invention, is in the excellent mechanical property state in follow-up deep-processing process and even under the working condition of subsequent product for a long time.
In the 4th step, onlinely mill face and batch step: mill made-up belt that 6 pairs in face machine is cooled to room temperature and carry out the two-sided face that mills and handle by online, and then batch rolling by winder 8.Be that cooled straight made-up belt 7 directly enters the two-sided face machine that mills and upper and lower surface is carried out milling handles, and its machined cutting depth, be controlled in the scope that to remove made-up belt surface casting flaw, process by the made-up belt machining surface, make the made-up belt surface be non-oxidation light attitude, and for horizontal casting or under draw the continuous casting made-up belt, cutting depth generally is controlled in 0.2mm～1mm scope, formed waste material after the milling can be collected the back reuse immediately; The made-up belt that at last surface is non-oxidation light attitude batches rolling, and the blank of high-quality, stable performance is provided for finished product is cold rolling.
As mentioned above, described made-up belt material can be TU0, TU1, TU2T1, T2, T3, TP1, TP2, B10, B30, BFe10-1-1, HSn70-1, HAl77-2, H62, H65, H68, QSn6.5-0.1, Qfe2.5.
The rolling temperature of made-up belt and the deflection under the recrystallization temperature are the principal elements of decision made-up belt rolling quality.Therefore; the present invention pays attention to selecting for use of continuous casting furnace, continuous cast mold and rolling equipment especially, require selected continuous casting furnace and continuous cast mold should satisfy at least adjustable made-up belt rolling before temperature, made-up belt go out to be in behind the crystallizer among the protective atmosphere, requirement such as crystallizer is durable in use.Require rolling equipment to possess and lead to the characteristics such as cooling of deep fat minimizing roll in heavy reduction, the roll mandrel the copper strips base.Preferred continuous casting furnace of the present invention and crystallizer are triplet horizontal casting stove and the crystallizer with snakelike cooling water pipe; Preferred rolling equipment is a two-shipper frame tandem rolling unit.
In fact, the casting-milling process method of a kind of manufactured copper provided by the invention and copper alloy band, be utilization continuous casting, hot rolling, thermomechanical treatment and machined principle, to horizontal casting or the following made-up belt that draws continuous casting, go out that crystallizer is incubated and samming, directly be with warm back cooling, the online two-sided face that mills fast of rolling, coil into the manufacture method of big volume heave hand base at last.Below by three groups of specific embodiments continuous casting and rolling method of the present invention is described further, so that the present invention is realized that the technical scheme of its purpose and characteristics obtain more detailed understanding:
First kind of embodiment of the present invention is casting cable copper strip base (T2).Continuous casting carries out on XR-LZ750 horizontal casting stove, and casting temperature is 1180 ℃, and the crystallizer cooling water flow is 3000L/h, and casting speed is 350mm/min, and vibration frequency is 60/min, and the copper strips base specifications section of continuous casting is 25 * 200mm.The temperature that the copper strips base enters before the milling train is 520 ℃-650 ℃.Throwing and rollingly on XR-EGLZ200 two roller tandem mills, carry out.The copper strips base is rolled down to 17.5 * 202 through passage of first frame, is rolled down to 12 * 204mm through passage of second frame.Every time contraction percentage of area about about 30%.The deep fat flow is 1000L/h in the roll of milling train, soak by water bath even enter with the copper strips base after rolling in the water bath of long 1m, the copper strips base greatly in 1.4 minutes time by water-bath, and cool off fast, enter online milling in the face machine then.The copper strips base specifications section that mills behind the face is 11 * 204mm, and its single face milling amount is 0.5mm.Rolling rolling then.Volume weighs and is cut off by online flying shear about 1 ton.Rapidly by another winder rolling.Copper strips base the no any folding pattern in surface and the other defect that mill behind the face exist, and roll afterwards that the metallographic structure of copper strips base is very thin equi-axed crystal state (perfect recrystallization attitude), and grain size is the 15-25 micron.Tensile strength and percentage elongation are respectively 240Mpa～250MPa and 30%～40%.Wall thickness tolerance is 11 ± 0.1mm.The copper strips made-up article is of fine quality good, and casting is successful.
Second kind of embodiment of the present invention is casting BFe10-1-1 copper-nickel alloy band.Continuous casting draws on the continuous casting furnace under XR-XYLZ750 and carries out, and casting temperature is 1295 ℃, and the crystallizer cooling water flow is 4000L/h, and casting speed is 300mm/min, and vibration frequency is 80/min, and the copper-nickel alloy made-up belt specifications section of continuous casting is 30 * 200mm.The temperature that the copper-nickel alloy made-up belt enters before the milling train is 600 ℃-700 ℃.Throwing and rollingly on XR-EGLZ200 two roller tandem mills, carry out.The copper-nickel alloy made-up belt is rolled down to 21 * 203 through passage of first frame, is rolled down to 14 * 205mm through passage of second frame.Every time contraction percentage of area about about 30%.The deep fat flow is 1500L/h in the roll of milling train, even enter in the spray channels of long 0.8m with the copper-nickel alloy made-up belt after rolling, the copper strips base is cooled fast to room temperature by the spray water-bath greatly in 1.3 minutes time, enter online milling in the face machine then.The copper strips base specifications section that mills behind the face is 13.4 * 205mm, and its single face milling amount is 0.3mm.By one three roller prebending machine the copper strips base is become level by plumbness then.By the winder rolling.Volume weighs and is cut off by online flying shear about 1 ton, and conversion is by another winder rolling rapidly.Mill the no any injurous defect existence in copper-nickel alloy made-up belt surface behind the face.Rolling after the check, the metallographic structure of copper-nickel alloy made-up belt is very thin equi-axed crystal state (perfect recrystallization attitude), grain size is the 15-30 micron.Tensile strength and percentage elongation are respectively 300Mpa and 25%.Wall thickness tolerance is 13.4 ± 0.08mm.The copper-nickel alloy made-up belt is best in quality, and casting is successful.
The third embodiment of the present invention is casting brass made-up belt (H68).Continuous casting carries out on XR-LZ300 horizontal casting stove, and casting temperature is 1120 ℃, and the crystallizer cooling water flow is 2000L/h, and casting speed is 250mm/min, and vibration frequency is 50/min, and the brass made-up belt specifications section of continuous casting is 22 * 200mm.The temperature that made-up belt enters before the milling train is 550 ℃-620 ℃.Throwing and rollingly on XR-EGLZ200 two roller tandem mills, carry out.The brass made-up belt is rolled down to 15.4 * 202 through passage of first frame, is rolled down to 10.5 * 204mm through passage of second frame.Every time contraction percentage of area about about 30%.The deep fat flow is 500L/h in the roll of milling train, even enter with the brass band after rolling in the water bath of long 1m, the brass made-up belt approximately is cooled fast to room temperature by water-bath in 2 minutes time, enters online two-sided milling in the face machine then.The brass band specifications section that mills behind the face is 10 * 204mm, and its single face milling amount is 0.25mm, rolling rolling then.Cut off by online flying shear when volume weighs 1 ton of left and right sides, change by another winder rolling rapidly.Brass made-up belt the no any crackle in surface and the other defect that mill behind the face exist, and roll afterwards that the metallographic structure of brass made-up belt is very thin equi-axed crystal state (perfect recrystallization attitude), and grain size is the 15-30 micron.Tensile strength and percentage elongation are respectively 295Mpa and 38%.Wall thickness tolerance is 11 ± 0.08mm.Brass band is best in quality, and the deep processing performance is fine, and casting is successful.
In sum, the present invention only needs from raw material to the high-quality made-up belt through realizing once the cover unit, it has, and operation is few, automaticity is high, production efficiency is high, the lumber recovery height, advantages such as band low cost of manufacture, quality better, overcome defective and deficiency that prior art exists, compared with the prior art, the present invention has tangible substantive distinguishing features and obvious improvement.
The foregoing description is only for the usefulness that the present invention is described; and be not limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.
Claims (10)
1, the casting-milling process method of a kind of manufactured copper and copper alloy band is characterized in that may further comprise the steps:
The first step, Strip casting and insulation, samming treatment step: adopt the conticaster of adjustable band base temperature that copper and continuously casting copper alloy are become made-up belt, then under protective atmosphere to the made-up belt that goes out conticaster crystallizer be incubated, samming handles, and made-up belt is on the crystallization onset temperature again of respective material;
Second step, the rolling step of made-up belt: will import band and strip rolling mill through insulation, samming processing back and the made-up belt that is in again on the crystallization onset temperature, and under protective atmosphere, be rolled, and simultaneously rolling temperature be controlled;
In the 3rd step, the quick cooling step after made-up belt is rolling: described made-up belt that will be behind mill milling is quickly cooled to room temperature by the water-bath passage;
In the 4th step, onlinely mill face and batch step: the made-up belt that is cooled to room temperature is carried out the two-sided face that mills handle by the online face machine that mills, and then batch rolling by winder.
2, the casting-milling process method of a kind of manufactured copper according to claim 1 and copper alloy band is characterized in that, and is wherein said:
The first step, Strip casting and insulation, samming treatment step: described conticaster adopt the horizontal casting stove or under draw continuous casting furnace, the adjusting of described made-up belt temperature realizes by regulating conticaster crystallizer cooling water flow, casting speed, casting temperature and continuous casting specification, and the temperature of made-up belt enter milling train after insulation, samming are handled before remains on 450 ℃～900 ℃.
Second step, the rolling step of made-up belt: will be in after insulation, samming are handled that 450 ℃～900 ℃ made-up belt imports two rollers by the roll traction of band and strip rolling mill or four-high mill is rolled, the contraction percentage of area of single pass is 20%～40% when rolling, and by the mode of in described milling train hollow roll, injecting deep fat come the controlled rolling temperature the supplied materials temperature ± 50 ℃ between.
The 3rd step, the quick cooling step after made-up belt is rolling: be that allowing with the made-up belt after 125mm/min～the 1400mm/min mill speed is rolling is the water-bath passage of 0.5～1.m by length, cool to room temperature.
In the 4th step, the online face and batch step of milling: the made-up belt that will be cooled to room temperature carries out the two-sided Milling Process that the single face milling amount is 0.2～1mm by the online two-sided face machine that mills to made-up belt.
3, the casting-milling process method of a kind of manufactured copper according to claim 2 and copper alloy band, it is characterized in that: in the first step, described conticaster crystallizer cooling water flow is 2000L/h～4000L/h, described casting speed is 100mm/min-500mm/min, described casting temperature is 1000～1350 ℃, and described continuous casting specification is thickness 15mm-50mm, width 100mm-300mm.
4, the casting-milling process method of a kind of manufactured copper according to claim 2 and copper alloy band is characterized in that: in the first step, described horizontal casting stove is a triplet horizontal casting stove, and described crystallizer is the crystallizer with snakelike cooling water pipe.
5, the casting-milling process method of a kind of manufactured copper according to claim 1 and 2 and copper alloy band is characterized in that: in the first step, the vibratory process of made-up belt realizes that by described milling train described made-up belt vibration frequency is 20～200 times/min.
6, the casting-milling process method of a kind of manufactured copper according to claim 5 and copper alloy band, it is characterized in that, in the first step, described made-up belt vibratory process is by milling train being installed on the line slideway, being moved reciprocatingly by toggle driving mill stand and realize.
7, the casting-milling process method of a kind of manufactured copper according to claim 5 and copper alloy band is characterized in that: in the first step, described made-up belt vibratory process is by realizing with the driven by servomotor milling train.
8, the casting-milling process method of a kind of manufactured copper according to claim 2 and copper alloy band, it is characterized in that: in second step, described milling train can be that single chassis also can be two tandem rolling units, and the hot oil temperature in the described milling train hollow roll is that 200 ℃ ± 100 ℃, flow are 500L/h-2000L/h.
9, the casting-milling process method of a kind of manufactured copper according to claim 1 and 2 and copper alloy band is characterized in that, during the first step and second went on foot, described protective atmosphere was a nitrogen.
10, according to the casting-milling process method of claim 1 or 2 or 3 or 4 or 8 described a kind of manufactured coppers and copper alloy band, it is characterized in that described made-up belt material is TU0, TU1, TU2T1, T2, T3, TP1, TP2, B10, B30, BFe10-1-1, HSn70-1, HA177-2, H62, H65, H68, QSn6.5-0.1, Qfe2.5.
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| CN104028557A (en) * | 2014-05-20 | 2014-09-10 | 江苏兴荣高新科技股份有限公司 | Copper or copper alloy strip and manufacturing method and producing device thereof |
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| CN112725657A (en) * | 2020-12-24 | 2021-04-30 | 国工恒昌新材料沧州有限公司 | Preparation method of C70350 nickel-silicon bronze strip |
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| DE4136085C2 (en) * | 1991-10-30 | 1993-11-04 | Mannesmann Ag | METHOD FOR PRODUCING OXYGEN-FREE COPPER WIRE |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100479979C (en) * | 2006-11-08 | 2009-04-22 | 沈阳铜兴产业有限公司 | Producing technology for large size copper heterotype plate |
| CN100496873C (en) * | 2007-09-29 | 2009-06-10 | 绍兴市力博电缆有限公司 | Production process of large-length oxygen-free copper strip |
| CN101912876A (en) * | 2010-08-17 | 2010-12-15 | 苏州有色金属研究院有限公司 | Production method of magnesium alloy plate |
| CN101912876B (en) * | 2010-08-17 | 2012-09-05 | 苏州有色金属研究院有限公司 | Production method of magnesium alloy plate |
| CN104028557A (en) * | 2014-05-20 | 2014-09-10 | 江苏兴荣高新科技股份有限公司 | Copper or copper alloy strip and manufacturing method and producing device thereof |
| CN104028557B (en) * | 2014-05-20 | 2017-02-15 | 江苏兴荣高新科技股份有限公司 | Copper or copper alloy strip and manufacturing method and producing device thereof |
| CN106334711A (en) * | 2016-09-27 | 2017-01-18 | 绵阳铜鑫铜业有限公司 | Temperature control method for continuous casting and rolling |
| CN107442579A (en) * | 2017-08-10 | 2017-12-08 | 北京科技大学 | A kind of integrated rolling guide and guard and the device and its implementation of tension force function |
| CN107442579B (en) * | 2017-08-10 | 2019-01-22 | 北京科技大学 | A kind of device and its implementation of integrated rolling guide and guard and tension force function |
| CN110722012A (en) * | 2019-09-16 | 2020-01-24 | 铜陵有色金属集团股份有限公司 | Method for effectively preventing interlayer contusion of metal strips in metal strip processing |
| CN112725657A (en) * | 2020-12-24 | 2021-04-30 | 国工恒昌新材料沧州有限公司 | Preparation method of C70350 nickel-silicon bronze strip |
| CN112795810A (en) * | 2020-12-25 | 2021-05-14 | 国工恒昌新材料沧州有限公司 | Preparation method of C70250 nickel-silicon bronze strip |
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