CN108020132A - A kind of method using line wheel after-combustion measurement MRI superconducting wire braiding insulation wire sizes - Google Patents
A kind of method using line wheel after-combustion measurement MRI superconducting wire braiding insulation wire sizes Download PDFInfo
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- CN108020132A CN108020132A CN201711270018.3A CN201711270018A CN108020132A CN 108020132 A CN108020132 A CN 108020132A CN 201711270018 A CN201711270018 A CN 201711270018A CN 108020132 A CN108020132 A CN 108020132A
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- coiling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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Abstract
A kind of method using line wheel after-combustion measurement MRI superconducting wire braiding insulation wire sizes, line wheel and rewinding machine is cleaned up with clear water, absolute ethyl alcohol dehydration, and dry up；The line wheel of wire rod to be measured is fixed on coiling spool, and position line disk is clamped in corresponding line wheel location hole；One end of wire rod to be measured is penetrated into rewinding equipment, rewind tension is arranged to 20~40N, starts solid matter after-combustion wire rod, ensures wire rod gap uniformity；After 55 circle of winding turns, stop coiling；Several 50 circle wire rods simultaneously identify at 50 circles；The wire width W1, W2, W3, W4, W5 of 50 circles at lower 5 positions of tight state, wire size=(W1+W2+W3+W4+W5)/(5*50) are struck with vernier caliper measurement.The method of the simulation coiling magnet of the present invention, effect is can to make measurement simple operation, process standard.Relieve artificial unstability factor caused by survey crew with measuring method difference.
Description
Technical field
It is more particularly to a kind of to utilize line wheel after-combustion measurement MRI superconducting lines the present invention relates to a kind of superconductor size measuring
The method of material braiding insulation wire size.
Background technology
Low-temperature superconducting wire is current most widely used superconductor material, wherein with NbTi and Nb3Sn is representative.They
It is widely used in NMR imaging instrument (MRI), nuclear magnetic resonance spectrometer (NMR), large-scale particle accelerator and superconducting energy storage system
The magnet coiling of system (SMES), magnetic confinement nuclear fusion device (Tokamak) etc..In order to ensure the security of magnet operation, low temperature
Superconducting wire outer surface needs to coat insulating materials, in MRI the insulating materials of superconducting wire be by the acquisition that weaves or paint,
Wherein common braiding insulating materials is high performance PET silk and glass fiber.Braided material has certain ductility, and measurement is single
Certain elastic extension can occur for braided material during wire size after root braiding insulation, cause the braiding insulation size of single wire rod
It cannot truly reflect size during wire rod coiling magnet.Thus, it is necessary in simulation coiling in insulation size measurement process is woven
Measured during magnet, truly to reflect wire rod coiling magnet size, it is ensured that meet magnet coiling during magnet coiling wire rod
The every layer of number of turn and width requirement of coil, and the state of stable operation can be in during operation.Just because of this, insulation size is woven
Measurement becomes one important performance indicator of MRI superconducting wires.
The content of the invention
The object of the present invention is to provide a kind of utilization line wheel after-combustion measurement MRI of suitable different materials superconducting wire measurement to surpass
The method for leading yarn woven insulation wire size.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：
Step 1：Line wheel and rewinding machine are cleaned up with clear water, absolute ethyl alcohol dehydration, and dried up；
Step 2：The line wheel of wire rod to be measured is fixed on coiling spool, and position line disk is clamped in corresponding line wheel and is determined
In the hole of position；
Step 3：One end of wire rod to be measured is penetrated into rewinding equipment, ensures wire rod in corresponding guide groove, is received to measurement
In size line wheel, Simple curved is fixed；
Step 4：Rewind tension is arranged to 20~40N, starts solid matter after-combustion wire rod, after-combustion speed is less than 50m/min；
Step 5：Start coiling 2~3 to enclose, artificially ensure to wire pressure close between wire rod, polytetrafluoro rod is used after stablizing
Apply lateral pressure, ensure wire rod gap uniformity；
Step 6：After 55 circle of winding turns, stop coiling；
Step 7：Several 50 circle wire rods simultaneously identify at 50 circles；
Step 8：The vernier caliper measurement for being 0.02mm with precision strikes the wire width of 50 circles at lower 5 positions of tight state
W1, W2, W3, W4, W5, described strikes tight mode：Wire rod edge is propped up with baffle point, baffle is touched with polytetrafluoro hammer, to line
Material lateral pressure, at least ensures that the wire rod of measurement position point each 20cm up and down is subject to uniform lateral pressure；
Step 9：Wire size=(W1+W2+W3+W4+W5)/(5*50).
Rectangular section that the suitable size of the present invention is 1.8mm × 1.3mm~4.0mm × 2.0mm or a diameter of 0.5mm~
The circular cross-section of 4mm, the superconducting wire of different materials --- NbTi wire rods, interior tin method Nb3Sn wire rods and Properlies of Bronze Route Nb3Sn wire rods
Braiding insulation size measurement.The method of the simulation coiling magnet of the present invention, effect is can to make measurement simple operation, flow mark
Standardization.Relieve artificial unstability factor caused by survey crew with measuring method difference.
Embodiment
In order to show effectiveness of the invention, spy illustrates MRI NbTi wire rod after-combustion processes and its measurement result.
It is as follows that after-combustion wire rod measures size process:
Step 1：A segment length nominal diameter specification is taken in the braiding insulation NbTi wire rods of 0.5mm~5mm.By line wheel and again
Cleaned up, absolute ethyl alcohol dehydration, and dried up with clear water around machine；
Step 2：The line wheel of wire rod is fixed on coiling spool, and position line disk is clamped in corresponding line wheel location hole
It is interior, so as to winding tension normal load.
Step 3：One end of wire rod to be measured is penetrated into rewinding equipment, ensures wire rod in corresponding guide groove, is received to measurement
In size line wheel, Simple curved is fixed.
Step 4：Rewind tension is arranged to 20~40N, starts solid matter after-combustion wire rod, after-combustion speed is less than 50m/min.
Step 5：Start coiling 2~3 to enclose, artificially ensure to wire pressure close between wire rod, polytetrafluoro rod is used after stablizing
Apply lateral pressure, ensure wire rod gap uniformity；
Step 6：Winding turns are stopping coiling after 55 circles.
Step 7：Several 50 circle wire rods simultaneously identify at 50 circles.
Step 8：The vernier caliper measurement for being 0.02mm with precision strikes the wire width of 50 circles at lower 5 positions of tight state
W1, W2, W3, W4, W5 (strike tight mode：Wire rod edge is propped up with baffle point, baffle is touched with polytetrafluoro hammer, it is lateral to wire rod
Pressure, at least ensures that the wire rod of measurement position point each 20cm up and down is subject to uniform lateral pressure).
Step 9：Wire size=(W1+W2+W3+W4+W5)/(5*50).
Validity proves
In order to prove the reliability and stability of this method, the 50 circle wire rod after-combustion at the same position of wire rod are measured, it is different
Operating personnel are strictly operated by above-mentioned steps, measure 50 circle wire sizes, and insulation wire size must be woven by, which calculating, see the table below：
Calculate wire size test result variation coefficient COV (standard deviation divided by the average value of measurement result) be
0.13%.
Embodiment 1：
Circular NbTi wire sizes measurement
Step is as follows：
Step 1：1000m is taken, the braiding insulation NbTi wire rods that diameter nominal size is 0.82mm.Line wheel and rewinding machine are used
Clear water cleans up, absolute ethyl alcohol dehydration, and dries up；
Step 2：The line wheel of wire rod to be measured is fixed on coiling spool, and position line disk is clamped in corresponding line wheel and is determined
In the hole of position, so as to winding tension normal load.
Step 3：One end of wire rod to be measured is penetrated into rewinding equipment, ensures wire rod in corresponding guide groove, is received to measurement
In size line wheel, Simple curved is fixed；
Step 4：Rewind tension is arranged to 30N, starts solid matter after-combustion wire rod, after-combustion speed 50m/min；
Step 5：Start coiling 2~3 to enclose, artificially ensure to wire pressure close between wire rod, polytetrafluoro rod is used after stablizing
Apply lateral pressure, ensure wire rod gap uniformity；
Step 6：After 55 circle of winding turns, stop coiling；
Step 7：Several 50 circle wire rods simultaneously identify at 50 circles；
Step 8：The vernier caliper measurement for being 0.02mm with precision strikes the wire width of 50 circles at lower 5 positions of tight state
41.46mm, 41.22mm, 41.34,41.28,41.18 (strike tight mode：Wire rod edge is propped up with baffle point, with polytetrafluoro hammer
Baffle is touched, gives wire rod lateral pressure, at least ensures that the wire rod of each 20cm is subject to uniformly laterally to press measurement position point up and down
Power).
Step 9：Wire size=(41.46+41.22+41.34+41.28+41.18)/(5*50)=0.8259mm.
Embodiment 2：Rectangle NbTi wire sizes measure
Step 1：Take 500m, the braiding insulation NbTi lines that rectangle (width * height) nominal specification is 2.25mm*1.45mm
Material.Line wheel and rewinding machine are cleaned up with clear water, absolute ethyl alcohol dehydration, and dried up；
Step 2：The line wheel of wire rod to be measured is fixed on coiling spool, and position line disk is clamped in corresponding line wheel and is determined
In the hole of position, so as to winding tension normal load.
Step 3：One end of wire rod to be measured is penetrated into rewinding equipment, ensures wire rod in corresponding guide groove, is received to measurement
In size line wheel, Simple curved is fixed；
Step 4：Rewind tension is arranged to 25N, starts solid matter after-combustion wire rod, after-combustion speed 20m/min；
Step 5：Start coiling 2~3 to enclose, artificially ensure to wire pressure close between wire rod, polytetrafluoro rod is used after stablizing
Apply lateral pressure, ensure wire rod gap uniformity；
Step 6：After 55 circle of winding turns, stop coiling；
Step 7：Several 50 circle wire rods simultaneously identify at 50 circles；
Step 8：The vernier caliper measurement for being 0.02mm with precision strikes the wire width of 50 circles at lower 5 positions of tight state
111.88,112.04,111.96,112.02,112.30 (strike tight mode：Wire rod edge is propped up with baffle point, with polytetrafluoro hammer
Baffle is touched, gives wire rod lateral pressure, at least ensures that the wire rod of each 20cm is subject to uniformly laterally to press measurement position point up and down
Power).
Step 9：Wire width size=(111.88+112.04+111.96+112.02+112.30)/(5*50)=
2.2408mm。
Claims (1)
- A kind of 1. method using line wheel after-combustion measurement MRI superconducting wire braiding insulation wire sizes, it is characterised in that by following Step carries out：Step 1：Line wheel and rewinding machine are cleaned up with clear water, absolute ethyl alcohol dehydration, and dried up；Step 2：The line wheel of wire rod to be measured is fixed on coiling spool, and position line disk is clamped in corresponding line wheel location hole It is interior；Step 3：One end of wire rod to be measured is penetrated into rewinding equipment, ensures wire rod in corresponding guide groove, is received to measuring size In line wheel, Simple curved is fixed；Step 4：Rewind tension is arranged to 20~40N, starts solid matter after-combustion wire rod, after-combustion speed is less than 50m/min；Step 5：Start coiling 2~3 to enclose, artificially ensure to wire pressure close between wire rod, applied after stablizing with polytetrafluoro rod Lateral pressure, ensures wire rod gap uniformity；Step 6：After 55 circle of winding turns, stop coiling；Step 7：Several 50 circle wire rods simultaneously identify at 50 circles；Step 8：The vernier caliper measurement for being 0.02mm with precision strikes the wire width W1 of 50 circles at lower 5 positions of tight state, W2, W3, W4, W5, described strikes tight mode：Wire rod edge is propped up with baffle point, baffle is touched with polytetrafluoro hammer, gives wire rod side To pressure, at least ensure that the wire rod of measurement position point each 20cm up and down is subject to uniform lateral pressure；Step 9：Wire size=(W1+W2+W3+W4+W5)/(5*50).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711270018.3A CN108020132A (en) | 2017-12-05 | 2017-12-05 | A kind of method using line wheel after-combustion measurement MRI superconducting wire braiding insulation wire sizes |
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| CN201711270018.3A CN108020132A (en) | 2017-12-05 | 2017-12-05 | A kind of method using line wheel after-combustion measurement MRI superconducting wire braiding insulation wire sizes |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608698A (en) * | 2018-06-15 | 2019-12-24 | 西部超导材料科技股份有限公司 | Method for measuring length of superconducting braided flat wire by accumulated turns |
| CN111895877A (en) * | 2020-07-03 | 2020-11-06 | 西部超导材料科技股份有限公司 | Tool and method for measuring dimension of braided insulated wire for MRI (magnetic resonance imaging) |
| CN112117053A (en) * | 2020-09-07 | 2020-12-22 | 西部超导材料科技股份有限公司 | Surface weaving method of superconducting wire |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268762A (en) * | 2015-10-28 | 2016-01-27 | 西部超导材料科技股份有限公司 | Method for removing oxidation layer and controlling size of round wire of titanium and titanium alloy plate |
| CN206670602U (en) * | 2017-03-25 | 2017-11-24 | 广州领音航复合材料有限公司 | One kind measurement long instrument of foam |
-
2017
- 2017-12-05 CN CN201711270018.3A patent/CN108020132A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105268762A (en) * | 2015-10-28 | 2016-01-27 | 西部超导材料科技股份有限公司 | Method for removing oxidation layer and controlling size of round wire of titanium and titanium alloy plate |
| CN206670602U (en) * | 2017-03-25 | 2017-11-24 | 广州领音航复合材料有限公司 | One kind measurement long instrument of foam |
Non-Patent Citations (2)
| Title |
|---|
| 施峰等: "（四）导线的检验", 《小型电话局（站）线路建筑与维护》 * |
| 曹进等: "2.导线线径的测量", 《电工技能实训指导》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608698A (en) * | 2018-06-15 | 2019-12-24 | 西部超导材料科技股份有限公司 | Method for measuring length of superconducting braided flat wire by accumulated turns |
| CN111895877A (en) * | 2020-07-03 | 2020-11-06 | 西部超导材料科技股份有限公司 | Tool and method for measuring dimension of braided insulated wire for MRI (magnetic resonance imaging) |
| CN112117053A (en) * | 2020-09-07 | 2020-12-22 | 西部超导材料科技股份有限公司 | Surface weaving method of superconducting wire |
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Application publication date: 20180511 |