CN107497881A - A kind of processing technology of tellurium selenium copper rod - Google Patents
A kind of processing technology of tellurium selenium copper rod Download PDFInfo
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- CN107497881A CN107497881A CN201710708027.XA CN201710708027A CN107497881A CN 107497881 A CN107497881 A CN 107497881A CN 201710708027 A CN201710708027 A CN 201710708027A CN 107497881 A CN107497881 A CN 107497881A
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- tellurium
- tellurium selenium
- selenium copper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/04—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of bars or wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
- B22D11/004—Copper alloys
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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
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- Metal Rolling (AREA)
Abstract
The present invention relates to a kind of tellurium selenium copper rod processing technology, according to mass percent meter, it contains tellurium 0.4 0.7% with tellurium selenium copper rod, and phosphorous 0.004 0.012%, containing selenium 0.1 0.15%, sulfur-bearing 0.05 0.1%, containing antimony 0.1 0.15%, the ratio of wherein selenium content and the amount containing antimony is 1：1；Simultaneously containing any two kinds of elements in the element such as silver, titanium, cerium, boron, cobalt, chromium, nickel, niobium, the step of content of described any two kinds of elements is 0.001~0.005% processing technology, includes：Continuous up-casting tellurium selenium copper bar, milling, continuous rolling annealing, drawing, aligning, cutting etc..
Description
Technical field
The present invention relates to a kind of processing technology of nonferrous materials, more particularly to a kind of tellurium selenium copper rod processing technology.
Background technology
Tellurium copper is the Albatra metal trade mark in Unite States Standard, also known as phosphorus deoxidation contains tellurium copper.Alloy 0.4-0.7% containing tellurium,
Phosphorous 0.004-0.012%, copper, silver, the total content of three kinds of elements of tellurium are more than 99.9%.Tellurium copper rod is mainly used in making forging and spiral shell
Silk machine product.Typical part includes electrical connector, auto parts, switch part, pipe fitting, soldering head, torch head, transistor
Base stage and the part of furnace brazing assembling.It is a kind of free machining copper alloy, machinable C36000（Cutting free is yellow
Copper）85%, and be suitable to hot and cold processing.
Chinese patent CN200810147883.3 discloses tellurium copper alloy material for electric power industry and its preparation side
Method, the patent mainly provides the melting problem of the horizontal casting of the tellurium copper alloy material of the 0.1-0.4% containing tellurium, after not disclosing
Continuous processing method.Traditional tellurium copper processing method is mainly ingot casting-hot extrusion-pickling-finishing-stretching-finishing etc., traditional
Processing process length, high energy consumption, low production efficiency.
The content of the invention
For the above-mentioned technical problem of prior art, it is an object of the invention to provide a kind of tellurium selenium copper rod of excellent performance to add
Work technique.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of processing technology of tellurium selenium copper rod, it is characterised in that by weight percentage, its processing technology comprises the following steps：
1）Continuous up-casting tellurium selenium copper bar：Melting, Continuous Up casting in smelting apparatus, smelting apparatus are interior covered with charcoal and stone
Black scale, using traction link seat Continuous Up casting tellurium selenium copper bar；The temperature of smelting furnace is 1100 DEG C~1200 DEG C, holding furnace
Temperature is 1100 DEG C~1200 DEG C, a diameter of 12.5 ~ 45mm of continuous up-casting tellurium selenium copper bar, the speed of continuous up-casting tellurium selenium copper bar
For 200 ~ 700mm/min；The tellurium selenium copper bar of preparation is according to mass percent meter, 0.4-0.7% containing tellurium, phosphorous 0.004-0.012%,
The ratio of 0.1-0.15% containing selenium, wherein sulfur-bearing 0.05-0.1%, 0.1-0.15% containing antimony, selenium content and the amount containing antimony is 1：1；Simultaneously
It is equal containing any two kinds of elements in the elements such as silver, titanium, cerium, boron, cobalt, chromium, nickel, niobium, the content of described any two kinds of elements
For 0.001~0.005%.
2）Milling：By step 1）The tellurium selenium copper bar of gained carries out milling, and the size of tellurium selenium copper bar milling is 0.2 ~ 1mm.
3）Continuous rolling：By step 2）The tellurium selenium copper bar of gained is raw material, and tellurium selenium is rolled using the duo mill of ten frames
Copper rod, mill speed 0.15-0.25 meter per seconds；The general working rate of continuous rolling is more than 85%；Described first time continuous rolling step
Tellurium selenium copper rod diameter out-of-roundness is less than 0.2mm after being rolled in rapid, using the pass schedule of ellipse-circular hole, each passage compression ratio
1.1-1.5, multi-frame driven separately frequency control, each passage breast roller are driven by each different variable-frequency motor, are handed over
Flow variable-frequency motor 30KW, roll：Ф 300mm, roll material Cr12MoV, roll hardness HRC58-60, roll pass roughness
Not less than Ra0.1；Emulsion cooling and lubrication, flow are carried out to roll, tellurium selenium copper rod in the operation of rolling：20m3/ h, emulsion work
Make pressure：2.5MPa, emulsion temperature：25-33 DEG C, emulsion concentration 10%.
4）Annealing：Annealed using protective atmosphere furnace for brightness, annealing temperature is 300 ~ 500 degree, and soaking time is 6 ~ 10
Hour, the crystallite dimension of tellurium selenium copper rod is 0.01 ~ 0.03mm after annealing.
5）Drawing：Tellurium selenium copper rod is subjected to drawing deformation, deformation coefficient 1.15-1.5；The speed of drawing deformation is less than
8m/min, emulsion or vegetable oil are as Lubrication Solution for Drawing.
6）Aligning：Tellurium selenium copper bar is subjected to straightening deformation, deformation coefficient 1.01-1.05；Tellurium selenium copper after straightening deformation
The torsion of rod twists every meter of degree and is not more than 0.5mm, and every meter of the flatness of tellurium selenium copper rod is not more than 1mm, and directly every meter of the degree of tellurium selenium copper rod is not
More than 0.5mm.
7）Cutting：Tellurium selenium copper bar is cut.
The tensile strength of tellurium selenium copper rod prepared by a kind of described tellurium selenium copper rod processing technology is more than 300MPa, and elongation percentage is big
In 15%, conductance is more than 88%IACS, and stock removal rate is free-cutting brass（Copper content 61%, Zn content 36%, lead content 3%）90%
More than.
The beneficial effects of the invention are as follows：
1. the tellurium selenium copper rod production method that a kind of continuous up-casting is combined with continuous rolling technology is proposed, tellurium prepared by this method
Selenium copper rod excellent performance, while technological process is short, efficient, energy-conservation.
2. optimizing alloying element and alloy content, from selenium element, electric conductivity and thermal conductivity on copper influence very little, selenium
Cu can be formed in copper2Se dispersoid particles, the cutting ability of copper can be significantly improved；The tellurium element of selection, can be in copper
Form Cu2Te dispersoid particles, cutting ability is improved, but very little is influenceed on conductive, heat conductivility；From antimony element, Ke Yiti
The corrosion resisting property of high-copper and moulding, improves the processing characteristics of copper, and its electrical and thermal conductivity performance on copper influences smaller；From sulphur member
Element, the cutting ability of copper can be improved, but very little is influenceed on the electrical and thermal conductivity performance of copper.
Embodiment
With reference to specific embodiment, the present invention is further illustrated, but protection scope of the present invention is not limited to
This.
Embodiment 1
A kind of processing technology of tellurium selenium copper rod, it is characterised in that by mass percentage, copper rod is composed of the following components：Containing tellurium
0.5%, phosphorous 0.005%, containing selenium 0.1%, sulfur-bearing 0.05%, containing antimony 0.1%, simultaneously containing two kinds of cerium, niobium elements, described two kinds
The content of element is 0.002%；Its processing technology comprises the following steps：
1）Continuous up-casting tellurium selenium copper bar：Melting, Continuous Up casting in smelting apparatus, smelting apparatus are interior covered with charcoal and stone
Black scale, using traction link seat Continuous Up casting tellurium selenium copper bar；The temperature of smelting furnace is 1100 DEG C, and the temperature of holding furnace is
1100 DEG C, a diameter of 45mm of Continuous Up casting tellurium selenium copper bar, the speed of Continuous Up casting tellurium selenium copper bar is 200mm/
min。
2）Milling：By step 1）The tellurium selenium copper bar of gained carries out milling, and the size of tellurium selenium copper bar milling is 1mm；
3）Continuous rolling：By step 2）The tellurium selenium copper bar of gained is raw material, and tellurium selenium copper rod is rolled using the duo mill of ten frames,
Mill speed 0.15-0.25 meter per seconds；The general working rate 92% of continuous rolling；After being rolled in described first time continuous rolling step
Tellurium selenium copper rod diameter out-of-roundness is less than 0.2mm, and using the pass schedule of ellipse-circular hole, each passage compression ratio 1.1-1.5 is more
Frame driven separately frequency control, each passage breast roller are driven by each different variable-frequency motor, alternating-current variable frequency motor
30KW, roll：Ф 300mm, roll material Cr12MoV, roll hardness HRC58-60, roll pass roughness are not less than
Ra0.1；Emulsion cooling and lubrication, flow are carried out to roll, copper rod in the operation of rolling：20m3/ h, emulsion operating pressure：
2.5MPa, emulsion temperature：25-33 DEG C, emulsion concentration 10%.
4）Annealing：Annealed using protective atmosphere furnace for brightness, annealing temperature is 300 ~ 500 degree, and soaking time is 6 ~ 10
Hour, the crystallite dimension of tellurium selenium copper rod is 0.01 ~ 0.03mm after annealing.
5）Drawing：Tellurium selenium copper rod is subjected to drawing deformation, deformation coefficient 1.13；The speed 6m/min of drawing deformation, breast
Change liquid or vegetable oil as Lubrication Solution for Drawing.
6）Aligning：Tellurium selenium copper rod is subjected to straightening deformation, deformation coefficient 1.02；The torsion of tellurium selenium copper rod is twisted after straightening deformation
Spend every meter and be not more than 0.5mm, every meter of the flatness of tellurium selenium copper rod is not more than 1mm, and every meter of the directly degree of tellurium selenium copper rod is not more than
0.5mm。
7）Cutting：Tellurium selenium copper bar is cut.
The tensile strength of tellurium selenium copper rod prepared by a kind of described tellurium selenium copper rod processing technology is more than 300MPa, and elongation percentage is big
In 15%, conductance is more than 88%IACS.
Embodiment 2
Tellurium selenium copper rod is composed of the following components：Containing tellurium 0.6%, phosphorous 0.006%, containing selenium 0.15%, sulfur-bearing 0.1%, containing antimony 0.15%,
Simultaneously containing two kinds of chromium, niobium elements, described content is 0.002%；Its processing technology comprises the following steps：
1）Continuous up-casting tellurium selenium copper bar：Melting, Continuous Up casting in smelting apparatus, smelting apparatus are interior covered with charcoal and stone
Black scale, using traction link seat Continuous Up casting tellurium selenium copper bar；The temperature of smelting furnace is 1100 DEG C, and the temperature of holding furnace is
1100 DEG C, a diameter of 45mm of Continuous Up casting tellurium selenium copper bar, the speed of Continuous Up casting tellurium selenium copper bar is 200mm/
min。
3）Continuous rolling：By step 2）The tellurium selenium copper bar of gained is raw material, and tellurium selenium is rolled using the duo mill of ten frames
Copper rod, mill speed 0.15-0.25 meter per seconds；The general working rate of continuous rolling is more than 85%；Described first time continuous rolling step
Tellurium selenium copper rod diameter out-of-roundness is less than 0.2mm after being rolled in rapid, using the pass schedule of ellipse-circular hole, each passage compression ratio
1.1-1.5, multi-frame driven separately frequency control, each passage breast roller are driven by each different variable-frequency motor, are handed over
Flow variable-frequency motor 30KW, roll：Ф 300mm, roll material Cr12MoV, roll hardness HRC58-60, roll pass roughness
Not less than Ra0.1；Emulsion cooling and lubrication, flow are carried out to roll, tellurium selenium copper rod in the operation of rolling：20m3/ h, emulsion work
Make pressure：2.5MPa, emulsion temperature：25-33 DEG C, emulsion concentration 10%.
3）Annealing：Annealed using protective atmosphere furnace for brightness, annealing temperature is 300 ~ 500 degree, and soaking time is 6 ~ 10
Hour, the crystallite dimension of tellurium selenium copper rod is 0.01 ~ 0.03mm after annealing.
4）Drawing：Tellurium selenium copper rod is subjected to drawing deformation, deformation coefficient 1.12；The speed 6m/min of drawing deformation is dense
The emulsion of degree 10% is as Lubrication Solution for Drawing.
5）Cutting：Tellurium selenium copper rod is cut.
The tensile strength of tellurium selenium copper rod prepared by a kind of described tellurium selenium copper rod processing technology is more than 300MPa, and elongation percentage is big
In 15%, conductance is more than 88%IACS.
Above-described embodiment is only used for illustrating the inventive concept of the present invention, rather than the restriction to rights protection of the present invention,
All changes for carrying out unsubstantiality to the present invention using this design, all should fall into protection scope of the present invention.
Claims (3)
1. a kind of processing technology of tellurium selenium copper rod, it is characterised in that by mass percentage, tellurium selenium copper rod is composed of the following components：
0.4-0.7% containing tellurium, phosphorous 0.004-0.012%, 0.1-0.15% containing selenium, sulfur-bearing 0.05-0.1%, 0.1-0.15% containing antimony, wherein
The ratio of selenium content and the amount containing antimony is 1：1；Simultaneously containing any two kinds of members in the elements such as silver, titanium, cerium, boron, cobalt, chromium, nickel, niobium
Element, the content of described any two kinds of elements is 0.001~0.005%；Its processing technology comprises the following steps：
1）Continuous up-casting tellurium selenium copper bar：Melting, Continuous Up casting in smelting apparatus, smelting apparatus are interior covered with charcoal and stone
Black scale, using traction link seat Continuous Up casting tellurium selenium copper bar；
2）Milling：By step 1）The tellurium selenium copper bar of gained carries out milling；
3）Continuous rolling：By step 2）The tellurium selenium copper bar of gained is raw material, and tellurium selenium copper rod is rolled using the duo mill of multi-frame；
4）Annealing：Annealed using protective atmosphere furnace for brightness；
5）Drawing：Tellurium selenium copper rod is subjected to drawing deformation；
6）Aligning：Tellurium selenium copper bar is subjected to straightening deformation；
7）Cutting：Tellurium selenium copper bar is cut；
The tensile strength of tellurium selenium copper rod prepared by a kind of described tellurium selenium copper rod processing technology is more than 300MPa, and elongation percentage is more than
15%, conductance is more than 88%IACS, and stock removal rate is free-cutting brass（Copper content 61%, Zn content 36%, lead content 3%）90% with
On.
A kind of 2. processing technology of tellurium selenium copper rod as claimed in claim 1, it is characterised in that by mass percentage, copper rod by
Following components forms：0.4-0.7% containing tellurium, phosphorous 0.004-0.012%, 0.1-0.15% containing selenium, sulfur-bearing 0.05-0.1%, containing antimony
The ratio of 0.1-0.15%, wherein selenium content and the amount containing antimony is 1：1；Simultaneously containing elements such as silver, titanium, cerium, boron, cobalt, chromium, nickel, niobiums
In any two kinds of elements, the content of described any two kinds of elements is 0.001~0.005%；Its processing technology includes following
Step：
1）Continuous up-casting tellurium selenium copper bar：Melting, Continuous Up casting in smelting apparatus, smelting apparatus are interior covered with charcoal and stone
Black scale, using traction link seat Continuous Up casting tellurium selenium copper bar；The temperature of smelting furnace is 1100 DEG C~1200 DEG C, holding furnace
Temperature is 1100 DEG C~1200 DEG C, a diameter of 12.5 ~ 45mm of Continuous Up casting tellurium selenium copper bar, Continuous Up casting tellurium selenium copper
The speed of bar is 200 ~ 700mm/min；
2）Milling：By step 1）The tellurium selenium copper bar of gained carries out milling, and the size of tellurium selenium copper bar milling is 0.2 ~ 1mm；
3）Continuous rolling：By step 2）The tellurium selenium copper bar of gained is raw material, and tellurium selenium copper rod is rolled using the duo mill of ten frames,
Mill speed 0.15-0.25 meter per seconds；The general working rate of continuous rolling is more than 85%；Rolled in described first time continuous rolling step
Tellurium selenium copper rod diameter out-of-roundness is less than 0.2mm after system, using the pass schedule of ellipse-circular hole, each passage compression ratio 1.1-
1.5, multi-frame driven separately frequency control, each passage breast roller is driven by each different variable-frequency motor, and exchange becomes
Frequency motor 30KW, roll：Ф 300mm, roll material Cr12MoV, roll hardness HRC58-60, roll pass roughness be not low
In Ra0.1；Emulsion cooling and lubrication, flow are carried out to roll, tellurium selenium copper rod in the operation of rolling：20m3/ h, emulsion work pressure
Power：2.5MPa, emulsion temperature：25-33 DEG C, emulsion concentration 10%；
4）Annealing：To be annealed using protective atmosphere furnace for brightness, annealing temperature is 300 ~ 500 degree, and soaking time is 6 ~ 10 hours,
The crystallite dimension of tellurium selenium copper rod is 0.01 ~ 0.03mm after annealing；
5）Drawing：Tellurium selenium copper rod is subjected to drawing deformation, deformation coefficient 1.15-1.5；The speed of drawing deformation is less than 8m/
Min, emulsion or vegetable oil are as Lubrication Solution for Drawing；
6）Aligning：Tellurium selenium copper rod is subjected to straightening deformation, deformation coefficient 1.01-1.05；The torsion of tellurium selenium copper rod after straightening deformation
Twist every meter of degree and be not more than 0.5mm, every meter of the flatness of tellurium selenium copper rod is not more than 1mm, and every meter of the directly degree of tellurium selenium copper rod is not more than
0.5mm；
7）Cutting：Tellurium selenium copper bar is cut；
The tensile strength of tellurium selenium copper rod prepared by a kind of described tellurium selenium copper rod processing technology is more than 300MPa, and elongation percentage is more than
15%, conductance is more than 88%IACS, and stock removal rate is free-cutting brass（Copper content 61%, Zn content 36%, lead content 3%）90% with
On.
A kind of 3. processing technology of tellurium selenium copper rod as claimed in claim 1, it is characterised in that by mass percentage, tellurium selenium copper
Rod is composed of the following components：Containing tellurium 0.6%, phosphorous 0.006%, containing selenium 0.15%, sulfur-bearing 0.1%, containing antimony 0.15%, simultaneously containing chromium,
Two kinds of elements of niobium, described content is 0.002%；Its processing technology comprises the following steps：
1）Continuous up-casting tellurium selenium copper bar：Melting, Continuous Up casting in smelting apparatus, smelting apparatus are interior covered with charcoal and stone
Black scale, using traction link seat Continuous Up casting tellurium selenium copper bar；The temperature of smelting furnace is 1100 DEG C, and the temperature of holding furnace is
1100 DEG C, a diameter of 45mm of Continuous Up casting tellurium selenium copper bar, the speed of Continuous Up casting tellurium selenium copper bar is 200mm/
min；
3）Continuous rolling：By step 2）The tellurium selenium copper bar of gained is raw material, and tellurium selenium copper rod is rolled using the duo mill of ten frames,
Mill speed 0.15-0.25 meter per seconds；The general working rate of continuous rolling is more than 85%；Rolled in described first time continuous rolling step
Tellurium selenium copper rod diameter out-of-roundness is less than 0.2mm after system, using the pass schedule of ellipse-circular hole, each passage compression ratio 1.1-
1.5, multi-frame driven separately frequency control, each passage breast roller is driven by each different variable-frequency motor, and exchange becomes
Frequency motor 30KW, roll：Ф 300mm, roll material Cr12MoV, roll hardness HRC58-60, roll pass roughness be not low
In Ra0.1；Emulsion cooling and lubrication, flow are carried out to roll, tellurium selenium copper rod in the operation of rolling：20m3/ h, emulsion work pressure
Power：2.5MPa, emulsion temperature：25-33 DEG C, emulsion concentration 10%；
3）Annealing：To be annealed using protective atmosphere furnace for brightness, annealing temperature is 300 ~ 500 degree, and soaking time is 6 ~ 10 hours,
The crystallite dimension of tellurium selenium copper rod is 0.01 ~ 0.03mm after annealing；
4）Drawing：Tellurium selenium copper rod is subjected to drawing deformation, deformation coefficient 1.12；The speed 6m/min of drawing deformation, concentration 10%
Emulsion as Lubrication Solution for Drawing；
5）Cutting：Tellurium selenium copper rod is cut；
The tensile strength of tellurium selenium copper rod prepared by a kind of described tellurium selenium copper rod processing technology is more than 300MPa, and elongation percentage is more than
15%, conductance is more than 88%IACS, and stock removal rate is free-cutting brass（Copper content 61%, Zn content 36%, lead content 3%）90% with
On.
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2017
- 2017-08-17 CN CN201710708027.XA patent/CN107497881B/en active Active
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|---|---|---|---|---|
| JPS60245752A (en) * | 1984-05-22 | 1985-12-05 | Nippon Mining Co Ltd | High strength copper alloy having high electric conductivity |
| CN101225487A (en) * | 2008-01-15 | 2008-07-23 | 胡旭红 | Arsenic-containing low-lead brass alloy |
| CN104593706A (en) * | 2013-10-31 | 2015-05-06 | 宁波金田铜业(集团)股份有限公司 | Cold continuous rolling method of brass wires |
| CN104651631A (en) * | 2014-11-07 | 2015-05-27 | 新兴铸管（浙江）铜业有限公司 | Technology for producing high-end low-oxygen copper rod with diameter of 8mm employing continuous casting and continuous rolling |
| CN106222477A (en) * | 2016-08-22 | 2016-12-14 | 徐高磊 | A kind of electric automobile charging pile adapter tellurium copper alloy and production technology thereof |
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