CN103433277B - NbTi/Cu superconduction bandlet milling method - Google Patents
NbTi/Cu superconduction bandlet milling method Download PDFInfo
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- CN103433277B CN103433277B CN201310347563.3A CN201310347563A CN103433277B CN 103433277 B CN103433277 B CN 103433277B CN 201310347563 A CN201310347563 A CN 201310347563A CN 103433277 B CN103433277 B CN 103433277B
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Abstract
NbTi/Cu superconduction bandlet milling method, the quadruple milling train of multiple different roller diameter is selected to be installed on rolling equipment, be connected on admission machine after insulation NbTi/Cu superconduction circle line is continued to pass through multiple quadruple milling train, regulate each passage roll drafts, starting device is rolled.Adopt the NbTi/Cu superconduction bandlet dimensional accuracy of rolling of the present invention high, arc chord angle size evenly, arc chord angle radius is little, is beneficial to follow-up use.Milling method technique of the present invention is simple, is convenient to realize.
Description
Technical field
The invention belongs to superconductor processing technique field, relate to a kind of NbTi/Cu superconduction bandlet milling method.
Background technology
NbTi/Cu superconducting line is mainly divided into three kinds: circle line, rectangle bandlet (rectangular wire) and inserted bandlet (wire-in-channel).Rectangle bandlet is in the process of winding superconductive magnet, and the arrangement of wire rod is more neat, and the gap between wire rod is less, the magnetic field of generation evenly.Under normal circumstances, the method that prepared by NbTi/Cu superconduction bandlet is: cover varnished insulation after NbTi/Cu superconduction circle line is rolled into bandlet.The superconduction bandlet dimensional accuracy adopting the method to prepare is lower, and arc chord angle radius is bigger than normal, affects follow-up use.
Summary of the invention
The object of this invention is to provide a kind of NbTi/Cu superconduction bandlet milling method, the precision solving prior art existence is lower, and arc chord angle radius is bigger than normal, the problem of film thickness inequality.
Technical scheme of the present invention is, NbTi/Cu superconduction bandlet milling method, the quadruple milling train of multiple different roller diameter is selected to be installed on rolling equipment, be connected on admission machine after insulation NbTi/Cu superconduction circle line is continued to pass through multiple quadruple milling train, regulate each passage roll drafts, starting device is rolled.
Feature of the present invention is also:
Specifically comprise the following steps:
Step 1, according to intending the Cu/Sc and the compact dimensions that roll NbTi/Cu superconduction bandlet, selects 3-5 the quadruple milling train being equipped with different-diameter roll to be installed on rolling equipment;
Step 2, is connected on admission machine after continuing to pass through each quadruple milling train through the NbTi/Cu superconduction circle line of insulation coating;
Step 3, regulates each passage roll drafts;
Step 4, starting device is rolled.
Roller diameter D with roll the ratio D/d of the NbTi/Cu superconduction circle linear diameter d that insulate in 50 ~ 300 scopes.
The Cu/Sc of insulation NbTi/Cu superconduction circle line is 3 ~ 7.
Rolling pass is 3 ~ 5 times, and the ratio that each reduction in pass accounts for overall reduction reduces successively, and the first passage accounts for overall reduction ratio to the 5th reduction in pass and is followed successively by: 50 ~ 70%, 20 ~ 30%, 10 ~ 15%, 5 ~ 8%, 2 ~ 5%.
The present invention has following beneficial effect:
1, the NbTi/Cu superconduction bandlet dimensional accuracy of employing rolling of the present invention is high, and arc chord angle size is even, arc chord angle radius is little, is beneficial to follow-up use.
2, milling method technique of the present invention is simple, is convenient to realize.
Accompanying drawing explanation
Fig. 1 is the rolling schematic diagram adopting NbTi/Cu superconduction bandlet milling method of the present invention;
Fig. 2 is the NbTi/Cu superconduction bandlet schematic diagram adopting NbTi/Cu superconduction bandlet milling method of the present invention rolling;
Fig. 3 is the NbTi/Cu superconduction bandlet metallograph adopting the rolling of this method NbTi/Cu superconduction bandlet milling method.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
A kind of NbTi/Cu superconduction of the present invention bandlet milling method, be installed on rolling equipment for selecting the quadruple milling train of multiple different roller diameter, be connected on admission machine after insulation NbTi/Cu superconduction circle line is continued to pass through multiple quadruple milling train, regulate each passage roll drafts, starting device is rolled.
Specifically carry out according to the following steps:
Step 1, according to intending the Cu/Sc and the compact dimensions that roll NbTi/Cu superconduction bandlet, selects the quadruple milling train of 3 ~ 5 different roller diameters to be installed on rolling equipment.Roller diameter D and rolled superconduction justify the ratio D/d of linear diameter d in 50 ~ 300 scopes.See Fig. 1, wherein, 1,2,3,4 is roll, and D is roller diameter; 5 is superconduction circle line to be rolled, and d is superconduction circle linear diameter.
Step 2, is connected on admission machine after continuing to pass through 3 ~ 5 quadruple milling trains through the NbTi/Cu superconduction circle line of insulation coating.In this step, all milling trains without drafts, as shown in Figure 1.
Step 3, according to intending the Cu/Sc and the compact dimensions that roll NbTi/Cu superconduction bandlet, regulates the drafts of each rolling mill roll.
Step 4, starting device rolling NbTi/Cu superconduction bandlet.After rolling, superconduction bandlet shape as shown in Figure 2.In Fig. 2, W is superconduction bandlet width, and H is superconduction bandlet height, and h is the non-arc section height of superconduction bandlet, and R is superconduction bandlet arc chord angle radius.
Embodiment 1
By the Cu/Sc of ￠ 1.63mm be 7 NbTi/Cu superconduction japanning circle line be rolled into 1.80 × 1.20mmNbTi/Cu superconduction bandlet.The quadruple milling train of 3 different roller diameters is selected to be installed on rolling equipment.3 rolling mill roll diameters are followed successively by: 300mm, 200mm, 100mm.
Be connected on admission machine after ￠ 1.63mmNbTi/Cu superconduction japanning circle line is continued to pass through 3 quadruple milling trains.In this step, all milling trains are without drafts.
The drafts of 3 rolling mill rolls is followed successively by: 0.30 ~ 0.35mm, 0.10 ~ 0.15mm, 0.03 ~ 0.05mm.
￠ 1.63mm NbTi/Cu superconduction circle line is rolled into 1.80 × 1.20mmNbTi/Cu superconduction bandlet by starting device, and dimensional accuracy is ± 0.01mm.Arc chord angle radius≤0.24mm, the h/H >=0.60(H of gained superconduction bandlet is height after wire rod rolling, and h is non-arc section height after wire rod rolling).And adopt the dimensional accuracy after prior art rolling to be ± 0.02mm, arc radius >=0.28mm, h/H≤0.55.
Embodiment 2
By the Cu/Sc of ￠ 1.30mm be 4 NbTi/Cu superconduction japanning circle line be rolled into 1.60 × 0.85mmNbTi/Cu superconduction bandlet.The quadruple milling train of 4 different roller diameters is selected to be installed on rolling equipment.4 rolling mill roll diameters are followed successively by: 300mm, 200mm, 150mm, 100mm.
Be connected on admission machine after ￠ 1.30mmNbTi/Cu superconduction japanning circle line is continued to pass through 4 quadruple milling trains.In this step, all milling trains are without drafts.
The drafts of four rolling mill rolls is followed successively by: 0.25 ~ 0.35mm, 0.10 ~ 0.15mm, 0.05 ~ 0.08mm, 0.03 ~ 0.05mm.
￠ 1.30mm NbTi/Cu superconduction circle line is rolled into 1.60 × 0.85mmNbTi/Cu superconduction bandlet by starting device, and dimensional accuracy is ± 0.008mm.Arc chord angle radius≤0.17mm, h/H >=0.60 of gained superconduction bandlet.And adopt the dimensional accuracy after prior art rolling to be ± 0.012mm, arc radius >=0.20mm, h/H≤0.53.
Embodiment 3
By the Cu/Sc of ￠ 1.26mm be 3 NbTi/Cu superconduction japanning circle line be rolled into 1.28 × 0.82mmNbTi/Cu superconduction bandlet.The quadruple milling train of 5 different roller diameters is selected to be installed on rolling equipment.5 rolling mill roll diameters are followed successively by: 300mm, 200mm, 150mm, 100mm, 80mm.
Be connected on admission machine after ￠ 1.26mmNbTi/Cu superconduction japanning circle line is continued to pass through 5 quadruple milling trains.In this step, all milling trains are without drafts.
The drafts of five rolling mill rolls is followed successively by: 0.25 ~ 0.35mm, 0.08 ~ 0.12mm, 0.05 ~ 0.08mm, 0.02 ~ 0.04mm, 0.01 ~ 0.02mm.
￠ 1.26mm NbTi/Cu superconduction circle line is rolled into 1.28 × 0.82mmNbTi/Cu superconduction bandlet by starting device, and dimensional accuracy is ± 0.006mm.Arc chord angle radius≤0.16mm, h/H >=0.60 of gained superconduction bandlet.And adopt the dimensional accuracy after prior art rolling to be ± 0.01mm, arc radius >=0.19mm, h/H≤0.53.
NbTi/Cu superconduction bandlet four arc chord angle sizes of employing this method rolling are even, arc chord angle radius is little, h/H >=0.60.
Claims (3)
1.NbTi/Cu superconduction bandlet milling method, it is characterized in that, the quadruple milling train of multiple different roller diameter is selected to be installed on rolling equipment, be connected on admission machine after insulation NbTi/Cu superconduction circle line is continued to pass through multiple quadruple milling train, regulate each passage roll drafts, starting device is rolled;
Specifically comprise:
Step 1, according to intending the Cu/Sc and the compact dimensions that roll NbTi/Cu superconduction bandlet, selects the quadruple milling train of 3-5 different roller diameter to be installed on rolling equipment;
Step 2, is connected on admission machine after continuing to pass through each quadruple milling train through the NbTi/Cu superconduction circle line of insulation coating;
Step 3, regulates each passage roll drafts; Rolling pass is 3 ~ 5 times, and the ratio that each reduction in pass accounts for overall reduction reduces successively, and the first passage accounts for overall reduction ratio to the 5th reduction in pass and is followed successively by: 50 ~ 70%, 20 ~ 30%, 10 ~ 15%, 5 ~ 8%, 2 ~ 5%;
Step 4, starting device is rolled.
2. NbTi/Cu superconduction bandlet milling method as claimed in claim 1, is characterized in that: described roller diameter D with roll NbTi/Cu superconduction of insulate and justify the ratio D/d of linear diameter d in 50 ~ 300 scopes.
3. NbTi/Cu superconduction bandlet milling method as claimed in claim 1, is characterized in that: the Cu/Sc of described insulation NbTi/Cu superconduction circle line is 3 ~ 7.
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| CN201310347563.3A CN103433277B (en) | 2013-08-09 | 2013-08-09 | NbTi/Cu superconduction bandlet milling method |
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| CN201310347563.3A CN103433277B (en) | 2013-08-09 | 2013-08-09 | NbTi/Cu superconduction bandlet milling method |
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| CN103433277B true CN103433277B (en) | 2015-09-30 |
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| JPH01134822A (en) * | 1987-11-19 | 1989-05-26 | Fujikura Ltd | Manufacture of oxide superconductive wire |
| CN1400064A (en) * | 2001-08-08 | 2003-03-05 | 北京英纳超导技术有限公司 | Rolling mill for rolling superconductive conductor |
| CN1400612A (en) * | 2001-08-08 | 2003-03-05 | 北京英纳超导技术有限公司 | Preparation method of ultrafine high-temp. superconducting wire material |
| CN1687998A (en) * | 2005-05-18 | 2005-10-26 | 北京英纳超导技术有限公司 | Superconductive cable assembly and preparing process thereof |
| CN101728029A (en) * | 2009-12-22 | 2010-06-09 | 西北有色金属研究院 | Preparation method for NbTi/Cu multi-core composite superconducting wire with rectangular section |
| CN101872660A (en) * | 2010-05-21 | 2010-10-27 | 西北有色金属研究院 | Preparation method of Cu-Nb multi-core composite wire with rectangular cross-section |
| CN103147024A (en) * | 2012-11-26 | 2013-06-12 | 北京工业大学 | Method for manufacturing hectometre grade high-temperature superconducting Ni-W alloy base band |
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2013
- 2013-08-09 CN CN201310347563.3A patent/CN103433277B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01134822A (en) * | 1987-11-19 | 1989-05-26 | Fujikura Ltd | Manufacture of oxide superconductive wire |
| CN1400064A (en) * | 2001-08-08 | 2003-03-05 | 北京英纳超导技术有限公司 | Rolling mill for rolling superconductive conductor |
| CN1400612A (en) * | 2001-08-08 | 2003-03-05 | 北京英纳超导技术有限公司 | Preparation method of ultrafine high-temp. superconducting wire material |
| CN1687998A (en) * | 2005-05-18 | 2005-10-26 | 北京英纳超导技术有限公司 | Superconductive cable assembly and preparing process thereof |
| CN101728029A (en) * | 2009-12-22 | 2010-06-09 | 西北有色金属研究院 | Preparation method for NbTi/Cu multi-core composite superconducting wire with rectangular section |
| CN101872660A (en) * | 2010-05-21 | 2010-10-27 | 西北有色金属研究院 | Preparation method of Cu-Nb multi-core composite wire with rectangular cross-section |
| CN103147024A (en) * | 2012-11-26 | 2013-06-12 | 北京工业大学 | Method for manufacturing hectometre grade high-temperature superconducting Ni-W alloy base band |
Non-Patent Citations (2)
| Title |
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| NbTi超导材料及其产业化前景分析;肖新星;《科技和产业》;20120930;第12卷(第9期);第37-41、97页 * |
| 轧制与拉伸对NbTiTa/Cu多芯复合线超导性能的影响;陈自力等;《稀有金属材料与工程》;20090531;第38卷(第5期);第812-815页 * |
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