CN104475468A - Continuous-casting and continuous-drawing processing technique of N6 nickel alloy wire - Google Patents
Continuous-casting and continuous-drawing processing technique of N6 nickel alloy wire Download PDFInfo
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- CN104475468A CN104475468A CN201410746157.9A CN201410746157A CN104475468A CN 104475468 A CN104475468 A CN 104475468A CN 201410746157 A CN201410746157 A CN 201410746157A CN 104475468 A CN104475468 A CN 104475468A
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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
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/02—Drawing metal wire or like flexible metallic material by drawing machines or apparatus in which the drawing action is effected by drums
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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
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Abstract
The invention relates to a continuous-casting and continuous-drawing processing technique of an N6 nickel alloy wire. The continuous-casting and continuous-drawing processing technique is characterized by comprising the following steps: during smelting and drawing, charging nitrogen into an upper space of melted metal; putting an electrolytic nickel plate and N6 alloy leftovers together into an intermediate-frequency smelting furnace; simultaneously adding graphite carbon of which the weight is 0.1 percent of the weight of the electrolytic nickel plate; controlling the temperature to be 1470+/-20 DEG C to melt the metal; adding NiMg alloy according to a proportion of 0.4Kg/100Kg for degassing; keeping the temperature; starting continuous-casting of a lead wire; regulating the ratio of pulse rotation length to stagnation distance to be 7:3 and regulating the drawing speed to be 2m/min to 5m/min; synchronously adding cooling water of which the pressure is 0.08Mpa to 0.12MPa. The continuous-casting and continuous-drawing processing technique of the N6 nickel alloy wire has the beneficial effects of reducing a plurality of processing steps such as peeling of a blank material, hot-rolling blooming and primary draw-molding of a wire ingot, prolonging the processing period of the wire and improving the comprehensive rate of finished products, and also lowering the processing cost of the wire.
Description
Technical field
The invention belongs to alloy wire processing, particularly relate to a kind of N6 nickel alloy wire continuous casting and even pull out processing technology.
Background technology
The processing of current Ni-based ultrafine powder wire rod continues to use that technique is melting and casting, blank strips off the skin, hot rolling cogging always, repeatedly the wire drawing of multi-pass and operation heat-treatment of annealing.Its process characteristic is that manufacturing procedure is many, and process-cycle finished product rate that is long, converted products simultaneously is low.Nickel alloy intensity is higher, and plasticity is comparatively large, and very easily absorbs hydroxyl ion. in later stage Wire Drawing, easily occur phenomenon of rupture, therefore nickel alloy wire processing cost is very high.
Summary of the invention
The object of the invention is to the deficiency overcoming above-mentioned technology, higher for nickel alloy intensity, plasticity is larger, and very easily easily there is phenomenon of rupture technical problem and provide a kind of N6 nickel alloy wire continuous casting even to pull out processing technology in absorption hydroxyl ion in later stage Wire Drawing, the blank decreased in traditional handicraft strips off the skin, hot rolling cogging, the multi-step process such as the first pulling shaping of wire bar, improve the yield rate of wire rod, reduce wire rod processing cost.
The present invention for achieving the above object, by the following technical solutions: a kind of N6 nickel alloy wire continuous casting even pulls out processing technology, it is characterized in that: in melting and drawing process, nitrogen is used to inflate deposite metal upper space, to reduce the absorption of the molten metal in fusion process to air, and add carbon at the bottom of graphite and NiMg alloy, realize degassing effect during refining, concrete production technology is as follows
One, prepare before continuous casting:
The mid-frequency melting furnace of employing using magnesia as body of heater cupola drop raw material is through heating, drying process; Below mid-frequency melting furnace, side mounting strap has the crystallizer of water-cooling apparatus, and is installed in crystallizer by the N6 alloy wire one end of wearing into fashion of barbs, and the other end of its wire rod is connected on the pulsed traction wheel of drawing pulsed traction device.Check drawing pulsed traction device, N6 nickel alloy liquation is directly drawn with wire bar, and adjust pulse rotation length and stagnate distance than being 7:3, start to cast drawing wire bar and produce;
Two, even processing technology is pulled out
1, the electrolytic nickel sheet material and N6 alloy leftover bits and pieces that clip to process are jointly dropped in mid-frequency melting furnace, the every heat of described N6 alloy leftover bits and pieces drops into weight and is less than 40% of melting total amount; Add carbon at the bottom of graphite, carbon addition at the bottom of graphite is 0.1% of electrolytic nickel panel weight simultaneously;
2, set control temperature to be 1470 ± 20 DEG C and to heat fusing to metal, use nitrogen carries out gas shield to deposite metal upper space, and to reduce the absorption of the molten metal in fusion process to air, its single tube flow of aerating air is 4L/min;
3, after above-mentioned furnace charge all dissolves, heated for controlling temperature temperature is increased to 1500 ± 50 DEG C, and adds NiMg alloy with the ratio of 0.4Kg/100Kg and carry out degassing processing, start insulation;
4, after the liquid level stabilizing seethed with excitement, start cooling, measure in molten metal temperature 1500 ± 50 DEG C, start lead-in wire continuous casting; At the continuous casting lead-in wire initial stage, drawing speed is that the low speed of 2min carries out, and set cool cycles water pressure is 0.08Mpa simultaneously, raises speed to 5m/min gradually and synchronously increases cool cycles water pressure to 0.12MPa;
5, within drawing casting process every 20 minutes, check a furnace temperature and control furnace temperature within the scope of 1500 ± 50 DEG C, and adding NiMg alloy with the ratio of 0.04Kg/100Kg;
6 till continuous casting drawing is broken, and produces and terminates.
The extraction diameter of described N6 alloy wire is 8mm or 12mm.
Beneficial effect: N6 nickel alloy wire continuous casting of the present invention connects the multi-step process such as the enforcement blank decreased in traditional handicraft pulling out technique strips off the skin, hot rolling cogging, the first pulling shaping of wire bar.Improve process-cycle and the finished product integrated yield of wire rod, reduce the processing cost of wire rod simultaneously.
Detailed description of the invention
The specific embodiment of the present invention is described in detail below in conjunction with preferred embodiment.
Embodiment
The invention provides a kind of N6 nickel alloy wire continuous casting and even pull out processing technology, in melting and drawing process, nitrogen is used to inflate deposite metal upper space, to reduce the absorption of the molten metal in fusion process to air, and add carbon at the bottom of graphite and NiMg alloy, realize degassing effect during refining, concrete production technology is as follows
One, prepare before continuous casting:
The mid-frequency melting furnace of employing using magnesia as body of heater cupola drop raw material is through heating, drying process; Below mid-frequency melting furnace, side mounting strap has the crystallizer of water-cooling apparatus, and by the N6 alloy wire wearing into fashion of barbs, wire diameter is 8mm or 12mm, one end is installed in crystallizer, and the other end of its wire rod is connected on the pulsed traction wheel of drawing pulsed traction device.Check drawing pulsed traction device, N6 nickel alloy liquation is directly drawn with 8mm or 12mm wire bar, and adjust pulse rotation length and stagnate distance than being 7:3, start to cast drawing wire bar and produce;
Two, even processing technology is pulled out
1, the electrolytic nickel sheet material and N6 alloy leftover bits and pieces that clip to process are jointly dropped in mid-frequency melting furnace, the every heat of described N6 alloy leftover bits and pieces drops into weight and is less than 40% of melting total amount; Add carbon at the bottom of graphite, carbon addition at the bottom of graphite is 0.1% of electrolytic nickel panel weight simultaneously;
2, set control temperature to be 1470 ± 20 DEG C and to heat fusing to metal, use nitrogen carries out gas shield to deposite metal upper space, and to reduce the absorption of the molten metal in fusion process to air, its single tube flow of aerating air is 4L/min;
3, after above-mentioned furnace charge all dissolves, heated for controlling temperature temperature is increased to 1500 ± 50 DEG C, and adds NiMg alloy with the ratio of 0.4Kg/100Kg and carry out degassing processing, start insulation;
4, after the liquid level stabilizing seethed with excitement, start cooling, measure in molten metal temperature 1500 ± 50 DEG C, start lead-in wire continuous casting; At the continuous casting lead-in wire initial stage, drawing speed is that the low speed of 2min carries out, and set cool cycles water pressure is 0.08Mpa simultaneously, raises speed to 5m/min gradually and synchronously increases cool cycles water pressure to 0.12MPa;
5, within drawing casting process every 20 minutes, check a furnace temperature and control furnace temperature within the scope of 1500 ± 50 DEG C, and adding NiMg alloy with the ratio of 0.04Kg/100Kg;
6 till continuous casting drawing is broken, and produces and terminates.
The present embodiment
Carry out technique elaboration for the continuous casting furnace of 500Kg diameter 400mm, the comparatively large or smaller for other bodies of heater of use, should only should adjust to gas shield part, resize ratio is calculated by furnace diameter, and gas shield simultaneously measures the upper limit and is advisable.The smelting furnace that diameter is greater than 400mm can increase the discharge capacity of nitrogen as one sees fit or increase gas tube.NiMg alloy can purchase conventional NiMg15 in market, also can select NiMg20 or NiMg30.
The mid-frequency melting furnace that one is carried out Metal Melting should be configured for continuous seepage in enormous quantities, high close to stopping drawing during 100mm until metal bath surface.Pour the metal that smelting furnace is good into continuous casting furnace in time, carry out refining degasification, again start continuous casting and even draw, it is the same that concrete continuous casting connects the step of drawing.
The above is only preferred embodiment of the present invention, not does any pro forma restriction to structure of the present invention.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical scheme of the present invention.
Claims (2)
1. a N6 nickel alloy wire continuous casting even pulls out processing technology, it is characterized in that: in melting and drawing process, nitrogen is used to inflate deposite metal upper space, to reduce the absorption of the molten metal in fusion process to air, and add carbon at the bottom of graphite and NiMg alloy, realize degassing effect during refining, concrete production technology is as follows
One, prepare before continuous casting:
The mid-frequency melting furnace of employing using magnesia as body of heater cupola drop raw material is through heating, drying process; Below mid-frequency melting furnace, side mounting strap has the crystallizer of water-cooling apparatus, and is installed in crystallizer by the N6 alloy wire one end of wearing into fashion of barbs, and the other end of its wire rod is connected on the pulsed traction wheel of drawing pulsed traction device.Check drawing pulsed traction device, N6 nickel alloy liquation is directly drawn with wire bar, and adjust pulse rotation length and stagnate distance than being 7:3, start to cast drawing wire bar and produce;
Two, even processing technology is pulled out
1, the electrolytic nickel sheet material and N6 alloy leftover bits and pieces that clip to process are jointly dropped in mid-frequency melting furnace, the every heat of described N6 alloy leftover bits and pieces drops into weight and is less than 40% of melting total amount; Add carbon at the bottom of graphite, carbon addition at the bottom of graphite is 0.1% of electrolytic nickel panel weight simultaneously;
2, set control temperature to be 1470 ± 20 DEG C and to heat fusing to metal, use nitrogen carries out gas shield to deposite metal upper space, and to reduce the absorption of the molten metal in fusion process to air, its single tube flow of aerating air is 4L/min;
3, after above-mentioned furnace charge all dissolves, heated for controlling temperature temperature is increased to 1500 ± 50 DEG C, and adds NiMg alloy with the ratio of 0.4Kg/100Kg and carry out degassing processing, start insulation;
4, after the liquid level stabilizing seethed with excitement, start cooling, measure in molten metal temperature 1500 ± 50 DEG C, start lead-in wire continuous casting; At the continuous casting lead-in wire initial stage, drawing speed is that the low speed of 2min carries out, and set cool cycles water pressure is 0.08Mpa simultaneously, raises speed to 5m/min gradually and synchronously increases cool cycles water pressure to 0.12MPa;
5, within drawing casting process every 40 minutes, check a furnace temperature and control furnace temperature within the scope of 1500 ± 50 DEG C, and adding NiMg alloy with the ratio of 0.04Kg/100Kg;
6 till continuous casting drawing is broken, and produces and terminates.
2. N6 nickel alloy wire continuous casting according to claim 1 even pulls out processing technology, it is characterized in that: the extraction diameter of described N6 alloy wire is 8mm or 12mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112658059A (en) * | 2019-10-16 | 2021-04-16 | 丹阳市俊晧金属科技有限公司 | Efficient preparation process of pure nickel wire |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108838620A (en) * | 2018-06-13 | 2018-11-20 | 黄奎 | A kind of manufacturing method of pure nickel band |
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| US20060180293A1 (en) * | 2003-09-24 | 2006-08-17 | Sumitomo Metal Industries, Ltd. | Continuous casting mold and a continuous casting method of copper alloy |
| CN1978686A (en) * | 2005-12-01 | 2007-06-13 | 上海中天铝线有限公司 | Method for manufacturing high-conductive heat-resistance aluminium alloy wire |
| CN101074465A (en) * | 2007-04-30 | 2007-11-21 | 广东雄力双利电缆有限公司 | Production of high-strength heat-resisting aluminum-alloy overhead transmission connecting wire |
| CN101972837A (en) * | 2010-09-16 | 2011-02-16 | 宁波金田铜业(集团)股份有限公司 | High-frequency drawing casting method for tin phosphorus bronze |
| CN102189103A (en) * | 2011-03-01 | 2011-09-21 | 大连理工大学 | Light alloy electromagnetic ultrasonic casting and rolling integration device and method |
| CN102676870A (en) * | 2012-06-07 | 2012-09-19 | 铁岭富兴铜业有限公司 | Lead-free copper alloy wire material and preparation method thereof |
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2014
- 2014-12-09 CN CN201410746157.9A patent/CN104475468B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060180293A1 (en) * | 2003-09-24 | 2006-08-17 | Sumitomo Metal Industries, Ltd. | Continuous casting mold and a continuous casting method of copper alloy |
| CN1978686A (en) * | 2005-12-01 | 2007-06-13 | 上海中天铝线有限公司 | Method for manufacturing high-conductive heat-resistance aluminium alloy wire |
| CN101074465A (en) * | 2007-04-30 | 2007-11-21 | 广东雄力双利电缆有限公司 | Production of high-strength heat-resisting aluminum-alloy overhead transmission connecting wire |
| CN101972837A (en) * | 2010-09-16 | 2011-02-16 | 宁波金田铜业(集团)股份有限公司 | High-frequency drawing casting method for tin phosphorus bronze |
| CN102189103A (en) * | 2011-03-01 | 2011-09-21 | 大连理工大学 | Light alloy electromagnetic ultrasonic casting and rolling integration device and method |
| CN102676870A (en) * | 2012-06-07 | 2012-09-19 | 铁岭富兴铜业有限公司 | Lead-free copper alloy wire material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112658059A (en) * | 2019-10-16 | 2021-04-16 | 丹阳市俊晧金属科技有限公司 | Efficient preparation process of pure nickel wire |
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Effective date of registration: 20220810 Address after: Room 501, No. 86 Ziguang Road, Zhongbei Town, Xiqing District, Tianjin 300000 Patentee after: CNMC Innovation Research Institute (Tianjin) Co., Ltd. Address before: No. 86, Ziguang Road, New Material Industrial Park, Automobile Industrial Park, Zhongbei Town, Xiqing District, Tianjin 300380 Patentee before: CHINA NONFERROUS METALS MINING (GROUP) TIANJIN FOR SPECIAL MATERIAL CO.,LTD. |
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