CN105331846A - Efficient and high-yield short flow special-shape copper alloy wire and processing process thereof - Google Patents
Efficient and high-yield short flow special-shape copper alloy wire and processing process thereof Download PDFInfo
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- CN105331846A CN105331846A CN201510866939.0A CN201510866939A CN105331846A CN 105331846 A CN105331846 A CN 105331846A CN 201510866939 A CN201510866939 A CN 201510866939A CN 105331846 A CN105331846 A CN 105331846A
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Abstract
The invention discloses an efficient and high-yield short flow special-shape copper alloy wire and a processing process thereof. The efficient and high-yield short flow special-shape copper alloy wire is prepared from the following raw materials in parts by weight: 50-68 parts of Cu, 0.5-1.1 parts of Sb, 0.2-0.5 part of Ni, 0.1-0.7 part of Fe, 0.3-0.5 part of Sn, 0.2-0.6 part of Si, 0.5-0.8 part of Bi, 0.1-0.4 part of Pb, 0.2-0.3 part of Cd, less than 0.2 part of other impurities, and the balance of Zn. The processing process comprises the following steps: smelting and heating, flattening, stretching, annealing, pickling, stretching, finishing and straightening, sizing-cutting-passivating, packaging and putting in storage. According to the efficient and high-yield short flow special-shape copper alloy wire and the processing process thereof, pressure processing equipment is adopted, equipment investment is less, a production process is short, product surface is smooth and precision is high; by virtue of a series of processes, 180-degree bending performance is guaranteed, so that quality indexes are controlled; and the process is simple, the efficiency is high and the yield is high.
Description
Technical field
The present invention relates to copper alloy wire field, be specifically related to a kind of special-shaped copper alloy wire of short route and complete processing thereof of efficient high yield.
Background technology
Along with the develop rapidly of electronic industry, the demand of domestic and international high-precision section Copper and brass strip increases sharply.The production method of the current special-shaped Copper and brass strip of China mainly contains the techniques such as high speed hammering-High Precision Cold method, milling method, groove rolling method.Existing explained hereafter high-precision section Copper and brass strip also exists the shortcomings such as facility investment is large, made-up belt accuracy requirement is high, complex production process, the production cycle is long, production cost is high;
The purposes of copper material in electric power, communications industry is very widely, common alloyed copper alloy wire is saturated in low-end market, but the main dependence on import of special-shaped alloyed copper alloy wire needed for power industry high-end market, because its all technical requires strict, and belong to non complete symmetry type copper material in special shape due to special-shaped casting alloy copper alloy wire, production difficulty is large, mostly rely on from external import, but its good performance is significantly when current China energy anxiety.The current special-shaped casting alloy copper alloy wire of China belongs to non complete symmetry type copper material in special shape, and all technical requires strict, and production difficulty is large.Except having the requirement of superelevation to the electric conductivity of material, singularity and the tolerance of shape also have strict demand.But want the index reaching each side also very difficult with existing technology.
Summary of the invention
For solving the problem, the invention provides a kind of special-shaped copper alloy wire of short route and complete processing thereof of efficient high yield.
For achieving the above object, the technical scheme that the present invention takes is:
The special-shaped copper alloy wire of short route of efficient high yield, comprises and being prepared from by the raw material of following weight part:
Cu50 ~ 68 part, Sb0.5 ~ 1.1 part, Ni0.2 ~ 0.5 part, Fe0.1 ~ 0.7 part, Sn0.3 ~ 0.5 part, Si0.2 ~ 0.6 part, Bi0.5 ~ 0.8 part, Pb0.1 ~ 0.4 part, Cd0.2 ~ 0.3 part, other impurity summations are less than 0.2 part, surplus is Zn.
Further, melting heating-flattening-stretching-annealing-pickling-stretching-finishing aligning-Length-fixing cutting Passivation Treatment-packaging-warehouse-in is comprised the steps:;
S1, take Cu50 ~ 68 part, Sb0.5 ~ 1.1 part, Ni0.2 ~ 0.5 part, Fe0.1 ~ 0.7 part, Sn0.3 ~ 0.5 part, Si0.2 ~ 0.6 part, Bi0.5 ~ 0.8 part, Pb0.1 ~ 0.4 part, Cd0.2 ~ 0.3 part, other impurity summations are less than 0.2 part, surplus is that Zn carries out mixing and adds in melting process furnace and carry out heating melting operation;
S2, carry out flattening process by dropping in flaking mill after melting heating process; Stretching process is carried out by breakdown drawing machine after flattening; Obtain thick special-shaped copper alloy blank;
S3, thick for step S2 gained special-shaped copper alloy blank is carried out anneal, then put into pickling tub and carry out pickling operation;
S4, the thick special-shaped copper alloy blank after acid-water washing is carried out meticulous stretched operation by meticulous drawing machine, then draw and carry out meticulous straightening operation to finishing straightening machine, operate finally by Length-fixing cutting Passivation Treatment; Obtained meticulous special-shaped copper alloy wire finished product;
S5, step S4 gained fine copper alloy wire finished product carried out packaging warehouse-in.
Further, in described step S1, smelting temperature is 800 ~ 900 DEG C, and soaking time is 4 ~ 7 hours.
Further, be provided with flattening mould in described step S2 in flaking mill, described flattening mould needs preheating in advance, and preheating temperature is 420 ~ 450 DEG C, and the Heat preservation time is 2 ~ 3 hours, and the flattening time is 3 ~ 5 hours, and flattening temperature is 420 ~ 430 DEG C.
Further, in described step S3 acid-water washing, the concentration of pickle solution is between 2 ~ 7 degree.
Beneficial effect of the present invention: the copper alloy wire satisfactory mechanical property of production, electric conductivity is high, and technique is simple, easy handling; Every quality index can better be controlled; Pressworking equipment, facility investment is few, and Production Flow Chart is short, and product surface is bright and clean, and precision is high; The operations such as this technique melting heating-flattening-stretching-annealing-pickling-stretching-finishing aligning-Length-fixing cutting Passivation Treatment, ensure 180 ° of bending properties, quality index are controlled; Operation is simple, and efficiency is high, and production capacity is large.
Embodiment
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The present invention includes and be prepared from by the raw material of following weight part:
Cu50 ~ 68 part, Sb0.5 ~ 1.1 part, Ni0.2 ~ 0.5 part, Fe0.1 ~ 0.7 part, Sn0.3 ~ 0.5 part, Si0.2 ~ 0.6 part, Bi0.5 ~ 0.8 part, Pb0.1 ~ 0.4 part, Cd0.2 ~ 0.3 part, other impurity summations are less than 0.2 part, surplus is Zn.
The special-shaped copper alloy wire of short route of efficient high yield and a complete processing thereof, comprise the steps: melting heating-flattening-stretching-annealing-pickling-stretching-finishing aligning-Length-fixing cutting Passivation Treatment-packaging-warehouse-in;
S1, take Cu50 ~ 68 part, Sb0.5 ~ 1.1 part, Ni0.2 ~ 0.5 part, Fe0.1 ~ 0.7 part, Sn0.3 ~ 0.5 part, Si0.2 ~ 0.6 part, Bi0.5 ~ 0.8 part, Pb0.1 ~ 0.4 part, Cd0.2 ~ 0.3 part, other impurity summations are less than 0.2 part, surplus is that Zn carries out mixing and adds in melting process furnace and carry out heating melting operation;
S2, carry out flattening process by dropping in flaking mill after melting heating process; Stretching process is carried out by breakdown drawing machine after flattening; Obtain thick special-shaped copper alloy blank;
S3, thick for step S2 gained special-shaped copper alloy blank is carried out anneal, then put into pickling tub and carry out pickling operation;
S4, the thick special-shaped copper alloy blank after acid-water washing is carried out meticulous stretched operation by meticulous drawing machine, then draw and carry out meticulous straightening operation to finishing straightening machine, operate finally by Length-fixing cutting Passivation Treatment; Obtained meticulous special-shaped copper alloy wire finished product;
S5, step S4 gained fine copper alloy wire finished product carried out packaging warehouse-in.
In described step S1, smelting temperature is 800 ~ 900 DEG C, and soaking time is 4 ~ 7 hours.
Be provided with flattening mould in flaking mill in described step S2, described flattening mould needs preheating in advance, and preheating temperature is 420 ~ 450 DEG C, and the Heat preservation time is 2 ~ 3 hours, and the flattening time is 3 ~ 5 hours, and flattening temperature is 420 ~ 430 DEG C.
In described step S3 acid-water washing, the concentration of pickle solution is between 2 ~ 7 degree.
embodiment 1:
The special-shaped copper alloy wire of short route of efficient high yield and a complete processing thereof, comprise the steps: melting heating-flattening-stretching-annealing-pickling-stretching-finishing aligning-Length-fixing cutting Passivation Treatment-packaging-warehouse-in;
S1, take Cu66 part, Sb0.9 part, Ni0.3 part, Fe0.4 part, Sn0.34 part, Si0.4 part, Bi0.6 part, Pb0.2 part, Cd0.3 part, other impurity summations are less than 0.2 part, surplus is that Zn carries out mixing and adds in melting process furnace and carry out heating melting operation;
S2, carry out flattening process by dropping in flaking mill after melting heating process; Stretching process is carried out by breakdown drawing machine after flattening; Obtain thick special-shaped copper alloy blank;
S3, thick for step S2 gained special-shaped copper alloy blank is carried out anneal, then put into pickling tub and carry out pickling operation;
S4, the thick special-shaped copper alloy blank after acid-water washing is carried out meticulous stretched operation by meticulous drawing machine, then draw and carry out meticulous straightening operation to finishing straightening machine, operate finally by Length-fixing cutting Passivation Treatment; Obtained meticulous special-shaped copper alloy wire finished product;
S5, step S4 gained fine copper alloy wire finished product carried out packaging warehouse-in.
In described step S1, smelting temperature is 800 ~ 900 DEG C, and soaking time is 4 ~ 7 hours.
Be provided with flattening mould in flaking mill in described step S2, described flattening mould needs preheating in advance, and preheating temperature is 440 DEG C, and the Heat preservation time is 2.5 hours, and the flattening time is 4 hours, and flattening temperature is 420 DEG C.
In described step S3 acid-water washing, the concentration of pickle solution is between 5 degree.
embodiment 2:
The special-shaped copper alloy wire of short route of efficient high yield and a complete processing thereof, comprise the steps: melting heating-flattening-stretching-annealing-pickling-stretching-finishing aligning-Length-fixing cutting Passivation Treatment-packaging-warehouse-in;
S1, take Cu50 part, Sb0.5 part, Ni0.2 part, Fe0.1 part, Sn0.3 part, Si0.2 part, Bi0.5 part, Pb0.1 part, Cd0.2 part, other impurity summations are less than 0.2 part, surplus is that Zn carries out mixing and adds in melting process furnace and carry out heating melting operation;
S2, carry out flattening process by dropping in flaking mill after melting heating process; Stretching process is carried out by breakdown drawing machine after flattening; Obtain thick special-shaped copper alloy blank;
S3, thick for step S2 gained special-shaped copper alloy blank is carried out anneal, then put into pickling tub and carry out pickling operation;
S4, the thick special-shaped copper alloy blank after acid-water washing is carried out meticulous stretched operation by meticulous drawing machine, then draw and carry out meticulous straightening operation to finishing straightening machine, operate finally by Length-fixing cutting Passivation Treatment; Obtained meticulous special-shaped copper alloy wire finished product;
S5, step S4 gained fine copper alloy wire finished product carried out packaging warehouse-in.
In described step S1, smelting temperature is 800 DEG C, and soaking time is 4 hours.
Be provided with flattening mould in flaking mill in described step S2, described flattening mould needs preheating in advance, and preheating temperature is 420 DEG C, and the Heat preservation time is 2 hours, and the flattening time is 3 hours, and flattening temperature is 420 DEG C.
In described step S3 acid-water washing, the concentration of pickle solution is between 2 degree.
embodiment 3:
The special-shaped copper alloy wire of short route of efficient high yield and a complete processing thereof, comprise the steps: melting heating-flattening-stretching-annealing-pickling-stretching-finishing aligning-Length-fixing cutting Passivation Treatment-packaging-warehouse-in;
S1, take Cu68 part, Sb1.1 part, Ni0.5 part, Fe0.7 part, Sn0.5 part, Si0.6 part, Bi0.8 part, Pb0.4 part, Cd0.3 part, other impurity summations are less than 0.2 part, surplus is that Zn carries out mixing and adds in melting process furnace and carry out heating melting operation;
S2, carry out flattening process by dropping in flaking mill after melting heating process; Stretching process is carried out by breakdown drawing machine after flattening; Obtain thick special-shaped copper alloy blank;
S3, thick for step S2 gained special-shaped copper alloy blank is carried out anneal, then put into pickling tub and carry out pickling operation;
S4, the thick special-shaped copper alloy blank after acid-water washing is carried out meticulous stretched operation by meticulous drawing machine, then draw and carry out meticulous straightening operation to finishing straightening machine, operate finally by Length-fixing cutting Passivation Treatment; Obtained meticulous special-shaped copper alloy wire finished product;
S5, step S4 gained fine copper alloy wire finished product carried out packaging warehouse-in.
In described step S1, smelting temperature is 900 DEG C, and soaking time is 7 hours.
Be provided with flattening mould in flaking mill in described step S2, described flattening mould needs preheating in advance, and preheating temperature is 450 DEG C, and the Heat preservation time is 3 hours, and the flattening time is 5 hours, and flattening temperature is 430 DEG C.
In described step S3 acid-water washing, the concentration of pickle solution is between 7 degree.
The copper alloy wire satisfactory mechanical property that the present invention produces, electric conductivity is high, and technique is simple, easy handling; The operations such as every quality index can better be controlled, this technique melting heating-flattening-stretching-annealing-pickling-stretching-finishing aligning-Length-fixing cutting Passivation Treatment, ensure 180 ° of bending properties, quality index are controlled; Operation is simple, and efficiency is high, and production capacity is large.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. the special-shaped copper alloy wire of the short route of efficient high yield, is characterized in that, comprise and being prepared from by the raw material of following weight part:
Cu50 ~ 68 part, Sb0.5 ~ 1.1 part, Ni0.2 ~ 0.5 part, Fe0.1 ~ 0.7 part, Sn0.3 ~ 0.5 part, Si0.2 ~ 0.6 part, Bi0.5 ~ 0.8 part, Pb0.1 ~ 0.4 part, Cd0.2 ~ 0.3 part, other impurity summations are less than 0.2 part, surplus is Zn.
2. the special-shaped copper alloy wire of the short route of efficient high yield and a complete processing thereof, is characterized in that, comprise the steps: melting heating-flattening-stretching-annealing-pickling-stretching-finishing aligning-Length-fixing cutting Passivation Treatment-packaging-warehouse-in;
S1, take Cu50 ~ 68 part, Sb0.5 ~ 1.1 part, Ni0.2 ~ 0.5 part, Fe0.1 ~ 0.7 part, Sn0.3 ~ 0.5 part, Si0.2 ~ 0.6 part, Bi0.5 ~ 0.8 part, Pb0.1 ~ 0.4 part, Cd0.2 ~ 0.3 part, other impurity summations are less than 0.2 part, surplus is that Zn carries out mixing and adds in melting process furnace and carry out heating melting operation;
S2, carry out flattening process by dropping in flaking mill after melting heating process; Stretching process is carried out by breakdown drawing machine after flattening; Obtain thick special-shaped copper alloy blank;
S3, thick for step S2 gained special-shaped copper alloy blank is carried out anneal, then put into pickling tub and carry out pickling operation;
S4, the thick special-shaped copper alloy blank after acid-water washing is carried out meticulous stretched operation by meticulous drawing machine, then draw and carry out meticulous straightening operation to finishing straightening machine, operate finally by Length-fixing cutting Passivation Treatment; Obtained meticulous special-shaped copper alloy wire finished product;
S5, step S4 gained fine copper alloy wire finished product carried out packaging warehouse-in.
3. the special-shaped copper alloy wire of the short route of a kind of efficient high yield according to claim 2 and complete processing thereof, it is characterized in that, in described step S1, smelting temperature is 800 ~ 900 DEG C, and soaking time is 4 ~ 7 hours.
4. the special-shaped copper alloy wire of the short route of a kind of efficient high yield according to claim 2 and complete processing thereof, it is characterized in that, flattening mould is provided with in flaking mill in described step S2, described flattening mould needs preheating in advance, preheating temperature is 420 ~ 450 DEG C, the Heat preservation time is 2 ~ 3 hours, and the flattening time is 3 ~ 5 hours, and flattening temperature is 420 ~ 430 DEG C.
5. the special-shaped copper alloy wire of the short route of a kind of efficient high yield according to claim 2 and complete processing thereof, it is characterized in that, in described step S3 acid-water washing, the concentration of pickle solution is between 2 ~ 7 degree.
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Cited By (3)
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| CN106340341A (en) * | 2016-08-30 | 2017-01-18 | 芜湖楚江合金铜材有限公司 | High-conductivity low-cost copper alloy wire material and production technology thereof |
| CN107760966A (en) * | 2017-10-30 | 2018-03-06 | 安徽嘉中金属材料有限公司 | A kind of precision copper master alloy wire rod and its processing technology |
| CN113549783A (en) * | 2021-05-12 | 2021-10-26 | 芜湖楚江合金铜材有限公司 | Production and processing method of high-strength numerical control cutting line |
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| CN113549783A (en) * | 2021-05-12 | 2021-10-26 | 芜湖楚江合金铜材有限公司 | Production and processing method of high-strength numerical control cutting line |
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