CN105369056B - A kind of sound reel copper - Google Patents
A kind of sound reel copper Download PDFInfo
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- CN105369056B CN105369056B CN201510831383.1A CN201510831383A CN105369056B CN 105369056 B CN105369056 B CN 105369056B CN 201510831383 A CN201510831383 A CN 201510831383A CN 105369056 B CN105369056 B CN 105369056B
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
- C22C9/04—Alloys based on copper with zinc as the next major constituent
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/02—Making non-ferrous alloys by melting
- C22C1/03—Making non-ferrous alloys by melting using master alloys
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/08—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of copper or alloys based thereon
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
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- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metal Rolling (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention discloses a kind of sound reel coppers, belong to copper processing techniques field.The present invention is processed by cathode copper, tin slab, manganese alloy and zinc ingot metal melting, final Cu element mass percents are 60.5~61%, Sn element mass percents are that 0.8~1%, Mn element mass percents are that 0.025~0.035%, Pb element mass percents are not more than 0.008%；It is made of following steps：Melting, ingot blank making, hot rolling, cutting edge, cold rolling and the inspection storage of raw material, specific cold-rolling process is 2.1mm -1.05mm -0.85mm -0.65mm -0.5mm -0.39mm -0.32mm.Technical solution using the present invention can effectively solve the problems, such as that manganese element addition is difficult, obtain the sound reel copper of acoustical sound.
Description
Technical field
The present invention relates to copper processing techniques fields, more specifically to a kind of dedicated sound reel copper of musical instrument.
Background technology
Sound reel copper is a kind of brass product being dedicated as musical instrument reed, is wanted to the special of tone color to meet this musical instrument
It asks and the requirement of inherent quality that product is environment-protecting and non-poisonous, sound reel copper must add certain on the basis of environmentally friendly brass band product
The manganese element of ratio could meet the basic demand of the kind musical instrument.But the difficult point of sound reel copper production essentially consists in：（1）How is manganese element
Shi Jia, how to add, add few problem；（2）Melting produce sound reel copper after, subsequent product how transition, how to ensure manganese
The influence of element is reduced to controlled range, ensures the quality requirement of subsequent product；（3）Sound reel copper to banding pattern and performance requirement compared with
Height, during multi-pass continuous rolling continuous by ultrahard product, the problems such as be easy to causeing disconnected and bent banding pattern wooden dipper.
About the processing technology of sound reel copper, has related patents in the prior art and disclose, such as Chinese Patent Application No.
2011100533708, data of publication of application is August in 2011 31, and invention and created name is：The processing side of novel sound reel copper material
Method, this application are related to a kind of processing method of novel sound reel copper material, and raw material are selected as：High-purity tough cathode, copper content
Not less than 99.9935%, lead content is not more than 0.0065%, dosage 59%；Tin slab, Theil indices are not less than 99.995%, lead
Content is not more than 0.0035%, dosage 0.4%；Zinc ingot metal, Zn content are not less than 99.995%, and unleaded, surplus is zinc；Its operation side
Formula is：Copper → fusing ,+zinc+tin → stirring → casting；Milling face；It is hot-rolled down to 3.2mm；It is cold-rolled to 0.32mm；Examine storage.The Shen
Please case production material after testing, lead tolerance actual measurement be 0.0034%, reach the standard figures of defined, solve lead tolerance height
Hidden danger, but the problem of how this application and unresolved manganese element add, it is still necessary to continue to optimize.
Invention content
Technical problems to be solved by the inivention
It is not easy to control for manganese element addition in reed Copper fabrication in the prior art, and product banding pattern controls in following process
Difficult problem solves the problems, such as how to add manganese element the present invention provides a kind of sound reel copper, and can preferably control production
Product banding pattern obtains the sound reel copper of acoustical sound.
Technical solution
In order to achieve the above objectives, technical solution provided by the invention is：
A kind of sound reel copper of the present invention, the mass percent of Cu elements is the quality of 60.5~61%, Sn elements in sound reel copper
Percentage is that the mass percent of 0.8~1%, Mn elements is that the mass percents of 0.025~0.035%, Pb elements is not more than
0.008%, it is made of cathode copper, tin slab, manganese alloy and zinc ingot metal melting post-processing.
Further, the sound reel copper is made of following processing method：
Step 1：The melting of raw material；
Raw material are selected as cathode copper, tin slab, manganese alloy and zinc ingot metal, and raw material are put into smelting furnace and are melted, first
Cathode copper and tin slab is added, adds manganese alloy, is eventually adding zinc ingot metal, before raw material fusing is come out of the stove, examines Cu, Sn, Pb, Mn
The content of element, the final mass percent for controlling Cu elements are that the mass percent of 60.5~61%, Sn elements is 0.8~1%,
The mass percent of Mn elements is that the mass percent of 0.025~0.035%, Pb elements is not more than 0.008%；
Step 2：The ingot blank of raw material makes；
After step 1, melted raw material are subjected to cast using crystallizer, then carry out milling face with face milling machine,
Finally it is sawed into ingot blank consistent in length；
Step 3: the hot rolling and cutting edge of raw material；
After step 2, it is 2.1mm that the ingot blank that melting is made first is rolled to thickness with hot rolling mode, is then cut out
Side is handled, the waste material on removal ingot blank periphery；
Step 4: the cold rolling of raw material；
After step 3, the ingot blank after cutting edge is annealed, is cleaned, then carries out multi-pass cold rolling, it is specific to roll
Technique is：2.1mm—1.05mm—0.85mm—0.65mm—0.5mm—0.39mm—0.32mm；
Step 5: the inspection storage of raw material.
Further, the mass percent of manganese element is 30%~35% in the manganese alloy.
Further, the fusing point of the manganese alloy is 750 DEG C~850 DEG C.
Further, the ingot blank input roller bottom stove in step 4 after cutting edge carries out first time intermediate annealing, and annealing time is
100 minutes, temperature was 630 ~ 650 DEG C.
Further, ingot blank input roller bottom stove is carried out the by ingot blank after thickness 2.1mm is rolled down to 1.05mm in step 4
Secondary intermediate annealing, annealing time are 100 minutes, and temperature is 630 ~ 650 DEG C, is cleaned after annealing, is continued after the completion of cleaning
It is rolled.
Further, ingot blank is rolled down to after thickness is 0.5mm using banding machine first by ingot blank slitting in step 4, followed by
It is continuous to be rolled.
Further, use banding machine by ingot blank slitting after ingot blank being rolled down to 0.32mm in step 4.
Advantageous effect
Using technical solution provided by the invention, compared with prior art, there is following remarkable result：
（1）The raw material that the present invention uses is cathode copper, tin slab, manganese alloy and zinc ingot metal, wherein contain various trace elements,
And the sound reel copper requirement wherein micronutrient levels requirement of the present invention is：The mass percent of Pb is no more than 0.008%, P/Fe/Ni
Mass percent 0.002% hereinafter, so by raw material throw stove when, be firstly added cathode copper and tin slab, then be gradually added into
Manganese alloy is eventually adding zinc ingot metal, and the content for constantly examining the elements such as Cu, Sn, Pb, synchronized sampling is needed to do light during charging
Spectrum analysis, and corresponding raw material is adjusted according to result of laboratory test, until reaching standard and requiring, avoid caused by disposable charging
The uncontrollable problem of each element content.
（2）Central Plains material selection of the present invention adds manganese element in the form of manganese alloy, and in the manganese alloy manganese element matter
It is 30%~35% to measure percentage, and the fusing point of the manganese alloy is 750 DEG C~850 DEG C, and the use of this manganese alloy is that technical staff is logical
The analysis of a large amount of technologies and experimental exploring are crossed, in the prior art in order to ensure the sound quality of sound reel copper, when melting must be added to
Suitable manganese element, but the form complexity for adding manganese element is various, there is no fixed standard in, and technical staff is often when practical operation
It is difficult to accurately control the content of microcosmic element manganese, is susceptible to the too low or excessive phenomenon of manganese element content, influences final products
Quality, and solve the problems, such as that manganese element addition is difficult without specific method in the prior art, those skilled in the art
It is since the molten state in smelting furnace is difficult to be explored by many experiments and find that manganese element content is difficult to control with theory analysis
With control, technical staff does a large amount of contrast verifications using the various forms of raw materials containing manganese element, finds using the molten of manganese alloy
Change state is most abundant, and the use of fusing point is 750 DEG C~850 DEG C, the manganese alloy that the mass percent of manganese element is 30%~35% adds
Add effect best, manganese element can fully be melted to be merged with other material compositions, is more convenient to adjust at any time in the fusion process that feeds
Addition, to meet the standard requirement of product.
（3）The specific rolling mill practice of cold rolling is in the present invention：2.1mm—1.05mm—0.85mm—0.65mm—0.5mm—
0.39mm -0.32mm, wherein ingot blank is rolled down to thickness be 0.5mm after first use banding machine by made-up belt cutting edge, be further continued for into
Row rolling, rolling intermediate process by made-up belt cutting edge, the internal stress that can be released effectively in copper strips processing is conducive to product band
The control of type；Ingot blank is rolled down to after 0.32mm finished products and is again cut out finished product essence using banding machine, further controls product banding pattern.
Specific implementation mode
To further appreciate that present disclosure, with reference to embodiment, the invention will be further described.
Embodiment 1
A kind of sound reel copper of the present invention, the mass percent of Cu elements is the quality of 60.5~61%, Sn elements in sound reel copper
Percentage is that the mass percent of 0.8~1%, Mn elements is that the mass percents of 0.025~0.035%, Pb elements is not more than
0.008%, when each element content, which meets above-mentioned standard, to be required, the musical instrument reed ability sound quality that sound reel copper makes is more graceful, more accords with
Close quality requirement of the market to sound reel copper.The mass percent of specific Cu elements in the present embodiment is the matter of 60.5%, Sn elements
It is 0. 8% to measure percentage, and the mass percent of Mn elements is the mass percent 0.008% of 0.025%, Pb elements, it is by electricity
Solution copper, tin slab, manganese alloy and zinc ingot metal melting post-processing are made, and specific procedure of processing is as follows：
Step 1：The melting of raw material；
Raw material are selected as cathode copper, tin slab, manganese alloy and zinc ingot metal, and raw material are put into smelting furnace and are melted, first
Cathode copper and tin slab is added, adds manganese alloy, is eventually adding zinc ingot metal, before raw material fusing is come out of the stove, synchronized sampling does spectrum
Analysis, it is the quality of 60.5%, Sn elements to examine the content of Cu, Sn, Pb, Mn element, the final mass percent for controlling Cu elements
It is the mass percents of 0.025%, Pb elements is 0.008% that percentage, which is the mass percent of 0.8%, Mn elements,.
Manganese alloy in the present embodiment refer to fusing point be 750 DEG C~850 DEG C, the mass percent of manganese element is 30%~35%
Manganese alloy（The manganese alloy is Integral alloy type raw material, can not be by its fusing point, mass percent fixed number value really in actual production
It is accurately distinguished）, the use of this manganese alloy is that technical staff is obtained by the analysis of a large amount of technologies and experimental exploring.It is existing
In order to ensure the sound quality of sound reel copper in technology, when melting, must be added to suitable manganese element, but add the form of manganese element
Complicated various, there is no fixed standard in, and it is stringent for the final content of manganese element control postscript, and technical staff is past when practical operation
It is past to be difficult to accurately control the content of microcosmic element manganese, it is susceptible to the too low or excessively high phenomenon of manganese element content, can all be influenced most
The quality of finished product；And difficult, the of the invention skill of manganese element addition is solved the problems, such as without specific method in the prior art
It is molten in smelting furnace due to it that art personnel explore by many experiments and theory analysis discovery manganese element content is difficult to control
Change state is difficult to control, and some, which is difficult to melt, causes manganese element that can not be merged with other material compositions, and some is in fusion process
It is susceptible to the exceeded problem of content, and does not make skill to how to control state of the manganese element in smelting furnace in the prior art
Art discloses, and operating personnel is caused to face the problem how manganese element accurately adds always.Those skilled in the art are in order to solve
This problem does a large amount of analysis verifications using the various forms of raw materials containing manganese element, finds shape of the manganese element in smelting furnace
State is related with the fusing point of the raw material and ingredient, and the raw material form containing manganese element is various in the market, and ingredient is multifarious, causes to melt
Point also has larger gap, and lower melting-point to be easier to melt in smelting furnace, higher melting-point, being easy to cause can not melt, inspection
Manganese element is not detected（Such as electrolytic manganese）；Technical staff largely verifies discovery and uses manganese alloy relatively more aobvious as melting sources effect
It writes, the manganese alloy that fusing point is 750 DEG C~850 DEG C is easier fully to melt in smelting furnace, but manganese in lower melting-point manganese alloy
The concrete content of element is difficult to confirm, it is exceeded that manganese element too high levels are then easy to cause manganese element in charging, manganese element content mistake
It is low, other impurities constituent content is excessively high and is difficult to meet final products requirement, thereby increases and it is possible to need repeatedly repeatedly supplement charging, enhancing
Labor intensity；Technical staff further explores, it is found that additive effect is when the mass percent of manganese element is 30%~35%
Best, manganese alloy adding procedure gradually carries out, and constantly synchronous progress spectrum analysis detects each element content, is more convenient
Addition is adjusted at any time in the fusion process that feeds, to meet the standard requirement of product.
Step 2：The ingot blank of raw material makes；
After step 1, melted raw material are subjected to cast using crystallizer, then carry out milling face with face milling machine,
Finally it is sawed into ingot blank consistent in length；
Step 3: the hot rolling and cutting edge of raw material；
After step 2, it is 2.1mm that the ingot blank that melting is made first is rolled to thickness with hot rolling mode, is then cut out
Side is handled, the waste material on removal ingot blank periphery；
Step 4: the cold rolling of raw material；
After step 3, the ingot blank after cutting edge is subjected to first time intermediate annealing, annealing process carries out in the stove of roller bottom,
Annealing time is 100 minutes, and temperature is 630 DEG C, is cleaned after annealing, then carries out multi-pass cold rolling, specific rolling mill practice
For：2.1mm—1.05mm—0.85mm—0.65mm—0.5mm—0.39mm—0.32mm；
It should be noted that when ingot blank is carried out the first passes（Ingot blank is rolled down to thickness from thickness 2.1mm
1.05mm）, in order to ensure requirement of the product to banding pattern, working roll is more renewed to milling train, roll shape presses a flat convex control, and convex roller is convex
Degree control is 0.025mm, and roller diameter requires to be consistent.After the first passes, ingot blank is sent into roller bottom stove and is carried out
Second of intermediate annealing, annealing time are 100 minutes, and temperature is 630 DEG C, is cleaned after annealing, then proceeds by rolling.
Wherein by ingot blank after thickness 0.65mm is rolled down to 0.5mm, slitting is carried out to ingot blank using banding machine, is partly discharged processed
The internal stress generated in journey then proceeds by rolling so as to improve banding pattern, last passes terminates（I.e. by ingot blank from
Thickness 0.39mm is rolled down to 0.32mm）, still use banding machine to carry out slitting to ingot blank, further control product banding pattern.
Step 5: the inspection storage of raw material.
Embodiment 2
The present embodiment is with embodiment 1, the difference is that the mass percent of Cu elements is in the sound reel copper of the present embodiment
The mass percent of 61%, Sn element is that the mass percent of 1%, Mn elements is that the mass percents of 0.035%, Pb elements is
0.003%, the temperature of roller bottom furnace annealing is 650 DEG C.
Embodiment 3
The present embodiment is with embodiment 1, the difference is that the mass percent of Cu elements is in the sound reel copper of the present embodiment
The mass percent of 60.8%, Sn element is that the mass percent of 0.9%, Mn elements is that the mass percents of 0.03%, Pb elements is
0.006%, the temperature of roller bottom furnace annealing is 640 DEG C.
Schematically the present invention and embodiments thereof are described above, description is not limiting, so, if
Those skilled in the art are enlightened by it, without departing from the spirit of the invention, are not inventively designed
Go out frame mode similar with the technical solution and embodiment, is within the scope of protection of the invention.
Claims (6)
1. a kind of sound reel copper, it is characterised in that：The mass percent of Cu elements is 60.5~61%, Sn elements in the sound reel copper
Mass percent be the mass percent of 0.8~1%, Mn elements be the mass percent of 0.025~0.035%, Pb elements
No more than 0.008%, it is made of cathode copper, tin slab, manganese alloy and zinc ingot metal melting post-processing；
The mass percent of manganese element is 30%~35% in the manganese alloy；
The fusing point of the manganese alloy is 750 DEG C~850 DEG C；
The sound reel copper is made of following processing method：
Step 1：The melting of raw material；
Step 2：The ingot blank of raw material makes；
Step 3: the hot rolling and cutting edge of raw material；
Step 4: the cold rolling of raw material；
After step 3, the ingot blank after cutting edge is annealed, is cleaned, then carries out multi-pass cold rolling, specific rolling mill practice
For：2.1mm—1.05mm—0.85mm—0.65mm—0.5mm—0.39mm—0.32mm；
Step 5: the inspection storage of raw material.
2. a kind of sound reel copper according to claim 1, which is characterized in that the sound reel copper is made of following processing method：
Step 1：The melting of raw material；
Raw material are selected as cathode copper, tin slab, manganese alloy and zinc ingot metal, and raw material are put into smelting furnace and are melted, are first added
Cathode copper and tin slab, add manganese alloy, are eventually adding zinc ingot metal, before raw material fusing is come out of the stove, examine Cu, Sn, Pb, Mn element
Content, the final mass percent for controlling Cu elements is that the mass percent of 60.5~61%, Sn elements is 0.8~1%, Mn
The mass percent of element is that the mass percent of 0.025~0.035%, Pb elements is not more than 0.008%；
Step 2：The ingot blank of raw material makes；
After step 1, melted raw material are subjected to cast using crystallizer, then carry out milling face with face milling machine, finally
It is sawed into ingot blank consistent in length；
Step 3: the hot rolling and cutting edge of raw material；
After step 2, it is 2.1mm that the ingot blank that melting is made first is rolled to thickness with hot rolling mode, is then carried out at cutting edge
Reason, the waste material on removal ingot blank periphery；
Step 4: the cold rolling of raw material；
After step 3, the ingot blank after cutting edge is annealed, is cleaned, then carries out multi-pass cold rolling, specific rolling mill practice
For：2.1mm—1.05mm—0.85mm—0.65mm—0.5mm—0.39mm—0.32mm；
Step 5: the inspection storage of raw material.
3. a kind of sound reel copper according to claim 2, it is characterised in that：Ingot blank input roller bottom stove in step 4 after cutting edge
First time intermediate annealing is carried out, annealing time is 100 minutes, and temperature is 630~650 DEG C.
4. a kind of sound reel copper according to claim 2, it is characterised in that：Ingot blank is rolled down to from thickness 2.1mm in step 4
After 1.05mm, ingot blank input roller bottom stove is subjected to second of intermediate annealing, annealing time is 100 minutes, and temperature is 630~650
DEG C, it is cleaned after annealing, continues to roll after the completion of cleaning.
5. a kind of sound reel copper according to claim 2, it is characterised in that：Ingot blank, which is rolled down to thickness, in step 4 is
It is further continued for being rolled first by ingot blank slitting using banding machine after 0.5mm.
6. a kind of sound reel copper according to claim 2, it is characterised in that：It is adopted after ingot blank is rolled down to 0.32mm in step 4
With banding machine by ingot blank slitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831383.1A CN105369056B (en) | 2015-11-25 | 2015-11-25 | A kind of sound reel copper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510831383.1A CN105369056B (en) | 2015-11-25 | 2015-11-25 | A kind of sound reel copper |
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| Publication Number | Publication Date |
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| CN105369056A CN105369056A (en) | 2016-03-02 |
| CN105369056B true CN105369056B (en) | 2018-10-09 |
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Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5191725B2 (en) * | 2007-08-13 | 2013-05-08 | Ｄｏｗａメタルテック株式会社 | Cu-Zn-Sn based copper alloy sheet, manufacturing method thereof, and connector |
| CN102168204A (en) * | 2011-02-28 | 2011-08-31 | 朱炳兴 | Formula of novel sound reel copper |
| CN102168205A (en) * | 2011-02-28 | 2011-08-31 | 朱炳兴 | Processing method of novel sound reel copper material |
| CN102168203A (en) * | 2011-02-28 | 2011-08-31 | 朱炳兴 | Formula of novel sound hole board |
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