CN102816947A - Copper alloy antibacterial material and processing technique thereof - Google Patents
Copper alloy antibacterial material and processing technique thereof Download PDFInfo
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- CN102816947A CN102816947A CN2012103034265A CN201210303426A CN102816947A CN 102816947 A CN102816947 A CN 102816947A CN 2012103034265 A CN2012103034265 A CN 2012103034265A CN 201210303426 A CN201210303426 A CN 201210303426A CN 102816947 A CN102816947 A CN 102816947A
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- 229910000881 Cu alloy Inorganic materials 0.000 title claims abstract description 78
- 239000000463 material Substances 0.000 title claims abstract description 40
- 230000000844 anti-bacterial effect Effects 0.000 title claims abstract description 32
- 238000012545 processing Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005266 casting Methods 0.000 claims abstract description 44
- 238000003801 milling Methods 0.000 claims abstract description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000005097 cold rolling Methods 0.000 claims abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000010949 copper Substances 0.000 claims abstract description 12
- 229910052802 copper Inorganic materials 0.000 claims abstract description 12
- 238000000137 annealing Methods 0.000 claims abstract description 11
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 10
- 239000011777 magnesium Substances 0.000 claims abstract description 10
- 238000005098 hot rolling Methods 0.000 claims abstract description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 7
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims abstract description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052742 iron Inorganic materials 0.000 claims abstract description 7
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 7
- 239000011669 selenium Substances 0.000 claims abstract description 7
- 229910052711 selenium Inorganic materials 0.000 claims abstract description 7
- 238000010008 shearing Methods 0.000 claims abstract description 7
- 239000011701 zinc Substances 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000003723 Smelting Methods 0.000 claims abstract description 4
- 238000000227 grinding Methods 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims description 20
- 239000000956 alloy Substances 0.000 claims description 9
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- YOCUPQPZWBBYIX-UHFFFAOYSA-N copper nickel Chemical compound [Ni].[Cu] YOCUPQPZWBBYIX-UHFFFAOYSA-N 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 7
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 claims description 6
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 6
- 230000006698 induction Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 229910052748 manganese Inorganic materials 0.000 claims description 6
- 239000011572 manganese Substances 0.000 claims description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000003610 charcoal Substances 0.000 claims description 4
- IYRDVAUFQZOLSB-UHFFFAOYSA-N copper iron Chemical compound [Fe].[Cu] IYRDVAUFQZOLSB-UHFFFAOYSA-N 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims description 3
- 229960004643 cupric oxide Drugs 0.000 claims description 3
- 239000004615 ingredient Substances 0.000 claims description 3
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- 229910052752 metalloid Inorganic materials 0.000 claims description 2
- 150000002738 metalloids Chemical class 0.000 claims description 2
- -1 sodium aluminum fluoride Chemical compound 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 2
- 238000003490 calendering Methods 0.000 abstract 1
- 238000004512 die casting Methods 0.000 abstract 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 abstract 1
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- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 description 2
- DNEHKUCSURWDGO-UHFFFAOYSA-N aluminum sodium Chemical compound [Na].[Al] DNEHKUCSURWDGO-UHFFFAOYSA-N 0.000 description 2
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Abstract
The invention discloses a copper alloy antibacterial material and a processing technique thereof. The copper alloy antibacterial material consists of the following components in percentage by weight: 18-20 percent of zinc, 11-12 percent of nickel, 3.5-5 percent of iron, 0.5-1 percent of manganese, 0.2 percent of selenium, 0.4-0.6 percent of magnesium and the balance of copper. The copper alloy antibacterial material is formed by mixing, smelting, casting, surface milling, heating, hot rolling, blanking, cold rolling, straightening, annealing, cleaning, grinding, drying, shearing, checking, warehousing and processing. The specification of the copper alloy antibacterial material disclosed by the invention can meet the requirements of different pot shapes; the copper alloy antibacterial material can be formed by casing and die casting according to the design of the pot shapes and can be rolled and calendered to form plates with different thicknesses and different widths; and different performances and states are obtained by heat treatment or processing rate control; and the processing technique is suitable for materials required to form different pot shapes by deep punching, drawing and spinning and forming and has a favorable application prospect.
Description
Technical field
The present invention relates to technical field of nonferrous metal processing, be specifically related to antibacterial material of an Albatra metal-and complete processing thereof.
Background technology
At present, utensil such as the tableware relevant with daily life, kitchen range is to all adopting stainless steel, porcelain or plastics, existing Stainless Steel Products poor thermal conductivity; Work-ing life is short, ceramic products damages easily, plastics exist harmful additive to be difficult for life-time service; But Along with people's requires increasingly highly to quality of life, requires a kind of environmental protection, saving and the type material favourable to human body, and scientific research shows; What copper alloy surface had that biocidal property plays is the assisting sterilisation effect; And have good thermal conductivity, erosion resistance, pollution-free, to the human body beneficial.But, suppressed the extensive popularization of Cu alloy material because existing copper alloy is easy to pig copper dirt.
Summary of the invention
In order to address the above problem; Antibacterial material of an Albatra metal-provided by the invention and complete processing thereof can prevent that the copper dirt from generating, and has very strong thermal conductivity, erosion resistance; And it is pollution-free; To the human body beneficial, long service life, satisfy people to environmental protection, saving and to human body favourable the requirement of appliance material such as tableware, kitchen range.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopted is:
The antibacterial material of one Albatra metal-is characterized in that: its component is formed by weight percentage, zinc: 18-20%; Nickel: 11%-12%; Iron: 3.5%-5%; Manganese: 0.5%-1%; Selenium: 0.2%; Magnesium: 0.4%-0.6%; Surplus is a copper.
The antibacterial material processing technique of one Albatra metal-is characterized in that: its complete processing may further comprise the steps:
1) batching: following by each metalloid proportional quantity of 1 ton of charge composition: zinc is 180-200KG; Nickel content is 25% copper nickel master alloy 440-480KG; Iron level is 25% copper iron master alloy 140-200KG; Manganese is 5-10KG; Selenium is 2-2.2KG; Magnesium is 4-6KG; Surplus is a copper, the stove of weighing down respectively;
2) melting: adopt the frequency cored induction furnace melting; Order of addition(of ingredients): copper nickel master alloy-copper iron master alloy-manganese-copper-zinc-magnesium, add insulating covering agent then: roasting red charcoal, the thickness of insulating covering agent is not less than 150mm; Smelting temperature is 1320-1350 ℃, and tapping temperature is 1280-1300 ℃;
3) casting: adopt frequency cored induction furnace → gate spool → mold semicontinuous casting mode; Casting temp is 1230 ~ 1250 ℃; Casting speed 4-5M/H, bath surface covers tight in the hydraulic pressure 2-3Mpa, mold; Gate spool is embedded under the liquid level, and the crystallizer surface insulating covering agent is that black stump chalk+sodium aluminum fluoride is formed;
4) mill face: the ingot casting to after the casting carries out milling;
5) heating: adopt the natural gas process furnace ingot casting to be heated Heating temperature 850-880 ℃;
6) hot rolling: adopt the two-roller reversible milling train to carry out hot rolling.
7) blanking: adopt hydraulic plate-shearing machine that ingot casting is thrust, wherein the calculation formula of blanking length L does,
L=(finished product length+100～150mm) * finished product thickness/ingot casting sotck thinkness
8) cold rolling: it is cold rolling to adopt the two-roller reversible milling train to carry out, and rolls and two steps of finish rolling in the process successively, and hot-rolled copper alloy slab is processed into cold rolling copper alloy finished product sheet material;
9) aligning: adopt levelling arm that copper alloy plate is aligned;
10) annealing: adopt box electric resistance annealing stove that copper alloy plate is annealed, annealing temperature is 650 ℃, and be 2-3 hour heat-up time, constant temperature 1.5-2 hour;
11) clean: copper alloy plate is hung in the cleaning cylinder, and cleaning is turned over the cylinder number of times and is not less than 3 times, till cupric oxide is not contained in the copper alloy plate surface;
12) nog plate: adopt Plate grinder that the copper alloy plate after cleaning is ground,
13) oven dry: adopt stoving oven that the copper alloy plate after grinding is dried 300 ℃-400 ℃ of bake out temperatures, drying time 3-6 minute;
14) shear: adopt sheet shears or hydraulic plate-shearing machine mounting finished product to require copper alloy plate is sheared;
15) check warehouse-in: the copper alloy plate inspection after construction, with qualified copper alloy plate finished product packing warehouse-in.
The antibacterial material processing technique of aforesaid copper alloy is characterized in that: said step 3) casting, the mold of employing is selected short mold for use.
The antibacterial material processing technique of aforesaid copper alloy is characterized in that: said step 4) is milled face, and its single face milling thickness is between 3-4mm.
The antibacterial material processing technique of aforesaid copper alloy is characterized in that: said step 8) is cold rolling, rolls mill milling in the employing in said, and rolling pass is the 4-5 passage, and said finish rolling adopts finishing mill rolling, and rolling pass 3-5 time.
The antibacterial material processing technique of aforesaid copper alloy is characterized in that: said step 8) is cold rolling, and the specification of copper alloy plate is thin more, and the rolling pass of middle milling train and finishing mill is many more.
The antibacterial material processing technique of aforesaid copper alloy is characterized in that: said step 11) is cleaned, and copper alloy plate cleans through hanging in cleaning cylinder with the stainless steel hanging basket.
The antibacterial material processing technique of aforesaid copper alloy is characterized in that: said step 13) oven dry, the copper alloy plate after the oven dry get into step 14) again and shear if the water mark is arranged after wiping clean with rag.
The invention has the beneficial effects as follows: antibacterial material of an Albatra metal-provided by the invention and complete processing thereof, can pass through casting, casting forming, the rolling sheet material that rolls into different thickness, different in width according to the design alternative of pot shape; And through after the thermal treatment or working modulus control obtain different performance and state, be fit to deep-draw, stretching, the required materials of mould pressing different pot shape, can also prevent that the copper dirt from generating; Have very strong thermal conductivity, erosion resistance; And pollution-free, to the human body beneficial, long service life; Satisfy people to environmental protection, saving and to human body favourable the requirement of appliance material such as tableware, kitchen range, have a good application prospect.
Description of drawings
Fig. 1 is the schema of the complete processing embodiment 1 of the antibacterial material of copper alloy of the present invention.
Fig. 2 is the schema of the complete processing embodiment 2 of the antibacterial material of copper alloy of the present invention.
Embodiment
To combine Figure of description and specific embodiment below, the present invention will be done further explanation.
The copper alloy plate of the antibacterial material of copper alloy of embodiment 1:0.9 (thick) * 450 (wide) * 450 (length) mm specification promptly is used for the drawing and forming bore and is the 360mm frying pan, and is as shown in Figure 1, specifically may further comprise the steps:
1) batching:, can carry out proportioning according to following dual mode by 1 ton of all kinds of amount of metal of charge composition:
One, zinc is 180KG; Nickel content is 25% copper nickel master alloy 440KG; Iron level is 25% copper iron master alloy 140KG; Manganese is 5KG; Selenium is 2KG; Magnesium is 4KG; Surplus is a copper;
Two, zinc is 200KG; Nickel content is 25% copper nickel master alloy 480KG; Iron level is 25% copper iron master alloy 200KG; Manganese is 10KG; Selenium is 2.2KG; Magnesium is 6KG; Surplus is a copper;
According to any mode of above-mentioned dual mode, the stove of weighing down;
2) melting: adopt the frequency cored induction furnace melting; Order of addition(of ingredients): copper nickel master alloy-copper nickel master alloy-manganese-copper-magnesium, add insulating covering agent: roasting red charcoal, the thickness of roasting red charcoal is not less than 150mm; Smelting temperature is 1320-1350 ℃, and tapping temperature is 1280-1300 ℃;
3) casting: obtain the square ingot that ingot blank is of a size of 68*310*460mm through mold semicontinuous casting mode, adopt frequency cored induction furnace → gate spool → mold semicontinuous casting mode, casting temp is 1230 ~ 1250 ℃, casting speed 4-5M/H; Hydraulic pressure 2-3Mpa, the interior bath surface of mold covers tight, and gate spool is embedded under the liquid level; Mold is short mold, and its surface dopant is that black stump chalk+sodium aluminum fluoride is formed, and wherein the selection of casting temp is unsuitable too high; Temperature is too high, and energy consumption, melting loss all increase, a large amount of air-breathing and oxidations of metal melt; Cause the low melting point metal scaling loss serious, make the melt quality variation simultaneously, but can not be low excessively; Cause the refractory metal segregation, and can not smooth and easyly cast, the liquid metal property variation that flows.Temperature is too high under same casting speed, cooling intensity condition; Deepen in the liquid cave in the mold, unfavorable to guaranteeing the ingot casting internal soundness, and temperature is crossed low crystallizer surface slagging scorification and had a strong impact on the ingot blank surface quality; Promptly enabling to form continuous casting possibly cause the thick packing pressure that is unfavorable for of crystallization crystalline-granular texture to process; So the ingot production Controllable Temperature is built in 1230-1250 ℃, pouring temperature is high slightly when coming out of the stove, in order to avoid first burst of flow stopped up gate spool when releasing.Also have in other conditions one regularly, casting speed is fast more, and the melt that gets into mold in the unit time is just many more, and the heat that promptly is brought in the mold is just many more; The liquid cave is just dark more, and ingot production is compared with T2; The obvious variation of its castability, casting speed should be suitably slow, is controlled at 4-5M/H; Controlling hydraulic pressure simultaneously can not be too big, and shallow flat to guarantee the liquid cave, the strand cooling fully;
4) mill face: it is that XHT100 mills the ingot casting of face machine after to casting and carries out milling that the D.C.casting ingot blank is adopted model; Single face milling thickness is between 3-4mm; The ingot casting that mills behind the face does not allow casting flaws such as shrinkage cavity, slag inclusion, shrinkage porosite, and slight surface imperfection is fallen with being not more than Φ 12mm bit drills, and drilling depth is no more than 3mm; The drill bit angle is 120 degree, and every face is no more than 3;
5) heating: the D.C.casting ingot blank adopts the natural gas process furnace ingot casting to be heated Heating temperature 850-880 ℃;
6) hot rolling: it is that Φ 365 * 800 two-roller reversible milling trains repeatedly are rolled into 6.5*480 (thick * is wide) slab that ingot blank is adopted model, and course of hot rolling needs to carry out hot rolling once more behind the repetition heating steps if raw edges appears in ingot casting;
7) blanking: the employing model is that Q11-16 * 120 hydraulic plate-shearing machine thrust ingot casting, and wherein the calculation formula of blanking length L does,
L=(finished product length+100～150mm) * finished product thickness/ingot casting sotck thinkness; The size of embodiment 1: 0.9 (thick) * 450 (wide) * 450 (length) mm presses multiple length 3 times (1350MM) and calculates blanking, and instant heating strip plate blanking blanking length L is 200-207mm;
8) cold rolling: it is cold rolling to adopt the two-roller reversible milling train to carry out the hot rolling base, rolls and two steps of finish rolling in the process successively, and ingot casting is processed into copper alloy plate; Roll wherein that to adopt model be mill milling among the Ф 365 * 800, and rolling pass is the 4-5 passage, it is that Ф 365 * 800 finishing mills are rolling that model is adopted in said finish rolling; And the specification of 3-5 copper alloy plate of rolling pass is thin more, and the rolling pass of middle milling train and finishing mill is many more, and the middle roll crown of middle milling train is 0.25mm; The finishing roll convexity 0.12～0.15mm of finishing mill, in rolling end, two roll surfaces must not collide; General spacing is adjusted at about 20mm; Need the time-based maintenance roll, wiped clean, and coat oil guard.
9) aligning: adopting model is that 13-Φ 120 * 800 or 9-Φ 80 * 800 levelling arms are aligned copper alloy plate,
10) annealing: adopt 110 kilowatts of box electric resistance annealing stoves that copper alloy plate is annealed, annealing temperature is 650 ℃, and be 2-3 hour heat-up time, constant temperature 1.5-2 hour;
11) clean: copper alloy plate is cleaned through hanging in the cleaning cylinder with stainless steel; Cleaning is turned over the cylinder number of times and is not less than 3 times, and till cupric oxide was not contained in the copper alloy plate surface, scavenging solution required preparation in proportion; Discharge water earlier in rinse bath; Clean-out system is slowly poured in the water again, forbidden reverse operating, surface appearance was progressively added clean-out system or replacing after scavenging solution was looked the copper alloy plate surface cleaning;
12) nog plate: adopt Plate grinder that the copper alloy plate after cleaning is ground, Plate grinder is scraped the roller gap transfer to and be slightly larger than copper plate thickness, start and scrape roller motor and rubber rollers, suction roll driving motor and pump motor; With a copper coin examination mill, progressively adjust brush roll earlier, solid colour behind the nog plate of copper alloy plate surface; Especially limit portion can not have mill less than defective, copper alloy plate gets into Plate grinder one by one during nog plate, does not allow copper alloy plate from beginning to end; With some regional abrasionproof less than, the copper alloy plate of Plate grinder abrasionproof is if any local water spots and surface chromatic aberration; Must carry out secondary again nog plate handle, defective such as peeling, bubble appear in the copper alloy plate behind the nog plate, be mingled with, the application specific emery wheel can after repairing and scraping; Can not repair should separating and carry out sign of scraping, by sending raw material storage after utility man's check as inferior plate.
13) oven dry: adopt stoving oven that the copper alloy plate after grinding is dried; 300 ℃-400 ℃ of bake out temperatures; Drying time 3-6 minute, oven dry back copper alloy plate needed to wipe clean with rag dry, cleaning if any the water mark; Influence surface quality with the waterproof mark, the copper alloy plate surface allows oil mark anything but.
14) shear: the employing model is that Q11-6.3 * 2000 sheet shearss or hydraulic plate-shearing machine mounting finished product require copper alloy plate is sheared;
15) check is put in storage: the copper alloy plate inspection after construction, qualified copper alloy plate finished product is put in storage according to GB8888 " the heavy non-ferrous metal converted products is packed, indicates, transported and stores " standard pack.
The check feature of the copper alloy plate of the antibacterial material of copper alloy of 0.9 (thick) * 450 (wide) * 450 (length) mm specification of the embodiment 1 after the detection is following: unit elongation: 18%; Tensile strength: 290N/mm2; Hardness: HV105.
The copper alloy plate of the antibacterial material of copper alloy of the soft attitude specification of embodiment 2:1.2 (thick) * 380 (wide) * 380 (length) mm; Promptly be used for the drawing and forming bore and be 200 electric cooker inner container; As shown in Figure 2; Concrete technical process embodiment 1 1)-6) step is constant, 7) blanking calculates according to formula and gets final product; 8)-15) step is also basic identical; Need be 14) shear the back and increasing by a step annealing; To reach soft attitude performance demands; Remove oxidation tint at nog plate then, check is at last put in storage, and the check feature of the copper alloy plate of the antibacterial material of copper alloy of the soft attitude specification of 1.2 (thick) * 380 (wide) * 380 (length) mm that obtains here is following: unit elongation is 40%; Tensile strength is 215N/mm2; Hardness is HV72.
More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification sheets just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (8)
1. the antibacterial material of an Albatra metal-, it is characterized in that: its component is formed by weight percentage, zinc: 18-20%; Nickel: 11%-12%; Iron: 3.5%-5%; Manganese: 0.5%-1%; Selenium: 0.2%; Magnesium: 0.4%-0.6%; Surplus is a copper.
2. the antibacterial material processing technique of an Albatra metal-, it is characterized in that: its complete processing may further comprise the steps:
1) batching: following by each metalloid proportional quantity of 1 ton of charge composition: zinc is 180-200KG; Nickel content is 25% copper nickel master alloy 440-480KG; Iron level is 25% copper iron master alloy 140-200KG; Manganese is 5-10KG; Selenium is 2-2.2KG; Magnesium is 4-6KG; Surplus is a copper, the stove of weighing down respectively;
2) melting: adopt the frequency cored induction furnace melting; Order of addition(of ingredients): copper nickel master alloy-copper iron master alloy-manganese-copper-zinc-magnesium, add insulating covering agent then: roasting red charcoal, the thickness of insulating covering agent is not less than 150mm; Smelting temperature is 1320-1350 ℃, and tapping temperature is 1280-1300 ℃;
3) casting: adopt frequency cored induction furnace → gate spool → mold semicontinuous casting mode; Casting temp is 1230 ~ 1250 ℃; Casting speed 4-5M/H, bath surface covers tight in the hydraulic pressure 2-3Mpa, mold; Gate spool is embedded under the liquid level, and the crystallizer surface insulating covering agent is made up of black stump chalk and sodium aluminum fluoride;
4) mill face: the ingot casting to after the casting carries out milling;
5) heating: adopt the natural gas process furnace ingot casting to be heated Heating temperature 850-880 ℃;
6) hot rolling: adopt the two-roller reversible milling train to carry out hot rolling;
7) blanking: adopt hydraulic plate-shearing machine that ingot casting is thrust, wherein the calculation formula of blanking length L is:
L=(finished product length+100～150mm) * finished product thickness/ingot casting sotck thinkness;
8) cold rolling: it is cold rolling to adopt the two-roller reversible milling train to carry out, and rolls and two steps of finish rolling in the process successively, and hot-rolled copper alloy slab is processed into cold rolling copper alloy finished product sheet material;
9) aligning: adopt levelling arm that copper alloy plate is aligned;
10) annealing: adopt box electric resistance annealing stove that copper alloy plate is annealed, annealing temperature is 650 ℃, and be 2-3 hour heat-up time, constant temperature 1.5-2 hour;
11) clean: copper alloy plate is hung in the cleaning cylinder, and cleaning is turned over the cylinder number of times and is not less than 3 times, till cupric oxide is not contained in the copper alloy plate surface;
12) nog plate: adopt Plate grinder that the copper alloy plate after cleaning is ground;
13) oven dry: adopt stoving oven that the copper alloy plate after grinding is dried 300 ℃-400 ℃ of bake out temperatures, drying time 3-6 minute;
14) shear: adopt sheet shears or hydraulic plate-shearing machine to require copper alloy plate is sheared according to finished product;
15) check warehouse-in: the copper alloy plate inspection after construction, with qualified copper alloy plate finished product packing warehouse-in.
3. the antibacterial material processing technique of copper alloy according to claim 2 is characterized in that: said step 3) casting, the mold of employing is selected short mold for use.
4. the antibacterial material processing technique of copper alloy according to claim 2, it is characterized in that: said step 4) is milled face, and its single face milling thickness is between 3-4mm.
5. the antibacterial material processing technique of copper alloy according to claim 2, it is characterized in that: said step 8) is cold rolling, rolls mill milling in the employing in said, and rolling pass is the 4-5 passage, and said finish rolling adopts finishing mill rolling, and rolling pass 3-5 time.
6. according to claim 2 or the antibacterial material processing technique of 5 described copper alloys, it is characterized in that: said step 8) is cold rolling, and the specification of copper alloy plate is thin more, and the rolling pass of middle milling train and finishing mill is many more.
7. the antibacterial material processing technique of copper alloy according to claim 2 is characterized in that: said step 11) is cleaned, and copper alloy plate cleans through hanging in cleaning cylinder with the stainless steel hanging basket.
8. the antibacterial material processing technique of copper alloy according to claim 2 is characterized in that: said step 13) oven dry, the copper alloy plate after the oven dry get into step 14) again and shear if the water mark is arranged after drying.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106670728A (en) * | 2015-11-05 | 2017-05-17 | 首都航天机械公司 | Manufacturing method of large-diameter aluminum alloy high-performance cylindrical shell |
| CN107695622A (en) * | 2017-09-22 | 2018-02-16 | 山西春雷铜材有限责任公司 | The preparation method of new energy car battery lug copper strips |
| CN109439933A (en) * | 2018-08-31 | 2019-03-08 | 新昌县金声铜业有限公司 | A kind of antibacterial copper alloy and preparation method thereof by force |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4202708A (en) * | 1978-02-21 | 1980-05-13 | Olin Corporation | Corrosion resistant copper base alloys for heat exchanger tube |
| US5344606A (en) * | 1993-05-07 | 1994-09-06 | Brimmer Thomas E | Fluid treatment alloy casting of Cu-Sn-Ni-Zn |
| CN1710127A (en) * | 2005-07-04 | 2005-12-21 | 洛阳铜加工集团有限责任公司 | Method for preparing high-strength wear-resistant brass pipe |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4202708A (en) * | 1978-02-21 | 1980-05-13 | Olin Corporation | Corrosion resistant copper base alloys for heat exchanger tube |
| US5344606A (en) * | 1993-05-07 | 1994-09-06 | Brimmer Thomas E | Fluid treatment alloy casting of Cu-Sn-Ni-Zn |
| CN1710127A (en) * | 2005-07-04 | 2005-12-21 | 洛阳铜加工集团有限责任公司 | Method for preparing high-strength wear-resistant brass pipe |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106670728A (en) * | 2015-11-05 | 2017-05-17 | 首都航天机械公司 | Manufacturing method of large-diameter aluminum alloy high-performance cylindrical shell |
| CN106670728B (en) * | 2015-11-05 | 2019-02-01 | 首都航天机械公司 | A kind of manufacturing method of large diameter aluminium alloy high-performance barrel-type casing |
| CN107695622A (en) * | 2017-09-22 | 2018-02-16 | 山西春雷铜材有限责任公司 | The preparation method of new energy car battery lug copper strips |
| CN109439933A (en) * | 2018-08-31 | 2019-03-08 | 新昌县金声铜业有限公司 | A kind of antibacterial copper alloy and preparation method thereof by force |
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| CN102816947B (en) | 2015-02-11 |
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