CN105448413B - A kind of semicircle conductors power cable and its manufacture method - Google Patents

A kind of semicircle conductors power cable and its manufacture method Download PDF

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Publication number
CN105448413B
CN105448413B CN201510970154.8A CN201510970154A CN105448413B CN 105448413 B CN105448413 B CN 105448413B CN 201510970154 A CN201510970154 A CN 201510970154A CN 105448413 B CN105448413 B CN 105448413B
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temperature
package tape
twining package
layer
zone temperature
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CN105448413A (en
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张宇
刘威
周云峰
易元
罗艳
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Jiangsu Shangshang Cable Group Co Ltd
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Jiangsu Shangshang Cable Group Co Ltd
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B9/00—Power cables
    • H01B9/006—Constructional features relating to the conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00—Insulated conductors or cables characterised by their form
    • H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • H01B7/22—Metal wires or tapes, e.g. made of steel
    • H01B7/228—Metal braid

Abstract

A kind of semicircle conductors power cable, its structure is：Two same conductors, every conductor radial section is semi-circular shape；Half and half round conductor outer wrapping insulating barrier；The stranded composition radial section of two conductors is circular cable core；It is tightly packed in the twining package tape of cable core outer cladding first, cable core to have inserts；Twining package tape outer wrapping inner sheath, the armoured wire sheathing of inner sheath；In the twining package tape of wire sheathing outer cladding second, in the wrapped belt outer cladding oversheath.The processing method of this cable, step is included 1) for either conductor, the stranded composition conductor of many metal monofilaments；2) use extrudes mode and Insulation Material is wrapped in outside conductor, and cools down；3) by step 1), 2) made from two identical cores and the stranded composition cable core of inserts；4) wrapped first layer twining package tape；5) use extrudes mode and inner sheath material is wrapped in outside first layer twining package tape, and cools down；6) Sheathed metal braiding layer；7) wrapped second layer twining package tape；8) use extrudes mode and oversheath material is extruded outside second layer twining package tape, and cools down.

Description

A kind of semicircle conductors power cable and its manufacture method
Technical field
The technical program belongs to field of cable technology, specifically a kind of semicircle conductors power cable and its manufacture method.
Background technology
One of critical specifications of cable are conductor radial section products, and in general phase same material lower conductor radial section product is got over Its big resistance is smaller.Under general thinking, the bigger and conductor material consumption of sectional area is bigger, and the external diameter of cable is also bigger, and This contradiction how is solved, is cable industry engineers and technicians, the problem that even conductor investigation of materials personnel face.
The content of the invention
In order to solve described problem present in prior art, the invention proposes a kind of new half round conductor electric power electricity Cable and its manufacture method, it is specific as follows：
A kind of semicircle conductors power cable, its structure is：Two same conductors, every conductor radial section is semicircle Shape；Half and half round conductor outer wrapping insulating barrier；The stranded composition radial section of two conductors is circular cable core；Cable core outer cladding first It is tightly packed in twining package tape, cable core to have inserts；Twining package tape outer wrapping inner sheath, the armoured wire sheathing of inner sheath；In gold Belong to braiding layer the second twining package tape of outer cladding, in the wrapped belt outer cladding oversheath.
The conductor of the semi-circular shape, its width：Highly it is (9.8~10.3)：(4.8~5.2)；Insulating barrier is that crosslinking is poly- Ethene insulating barrier.
The conductor is constituted by monofilament is stranded, and the monofilament direction of lay in two conductors is identical, the direction of lay of two conductors It is opposite with monofilament direction of lay；The lapping direction of first twining package tape is opposite with the direction of lay of two conductors.
Inserts is polypropylene tearing fiber (i.e. PP ropes), and its specification is without particular/special requirement.
The material of first and second twining package tape is all non-woven fabrics；The non-woven fabrics nominally requires to be 0.2mm；First and second layer of twining package tape The average value for putting up rate all be not less than be 15%.
The inner sheath is cross-linked polrvinyl chloride；The oversheath is termite-proof cross-linked polrvinyl chloride.
Wire sheathing is that zinc-coated wire and the uniform mixed weaving of tin plating hard copper silk are constituted；Zinc-coated wire and tin plating hard copper silk Usage ratio be 4：1~6：1.
The diameter of zinc-coated wire and tin plating hard copper silk is all 1.6mm.
For example：Using 30 ± 2 nominal diameter 1.6mm II group of zinc-coated wire, 6 nominal diameter 1.6mm's is tin plating hard Copper wire carries out armouring.
Compared with prior art, this structural cable saves conductor material, while cable under identical function and performance requirement Performance it is more electric, both mechanically and thermally etc. more excellent.
Above-mentioned cable encounters problem in actual production：Due to using new structure, using traditional processing technology, or It is empirically to wait to be modified on traditional processing technology all produce the cable for reaching theoretical performance, or even can not gives birth to Production meets the cable of custom requirements.Therefore, the present invention proposes a kind of new manufacture method, the cable is exclusively used in, step is specifically included Suddenly：
1) for either conductor, the stranded composition conductor of many metal monofilaments；Metal monofilament from-inner-to-outer is divided into multilayer；Often Adjacent two metal monofilaments in layer metal monofilament are mutually brought into close contact；In adjacent two layers metal monofilament, inside and outside layer metal monofilament It is brought into close contact；Conductor after stranded is pressed into semi-circular shape by roller mold；
Press coefficient not less than 0.9；
2) use extrudes mode and Insulation Material is wrapped in outside conductor, and cools down：
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：
Pan feeding section：135~165 DEG C；Fluxing zone：140~170 DEG C；Homogenizing zone：140~180 DEG C；Die head linkage section：160 ~190 DEG C；Head：170~210 DEG C, die orifice：175~205 DEG C；
Sub-sectional cooling is used when cooling：Cooling water temperature in direction of advance, first paragraph bosh is produced according to cable About 50~70 DEG C, cooling water is normal temperature in second segment bosh；
3) by step 1), 2) made from two identical cores and the stranded composition cable core of inserts；Two conductors Interior monofilament direction of lay is identical, and the direction of lay of two conductors is opposite with monofilament direction of lay；The stranded lay ratio control model of stranding Enclose for (40~45) times；
4) wrapped first layer twining package tape：The wrapped first layer twining package tape outside core, the lapping direction of first layer twining package tape with Step 3) direction of lay it is opposite；The average value for putting up rate of first layer twining package tape is not less than 15%；
5) use extrudes mode and inner sheath material is wrapped in outside first layer twining package tape, and cools down；
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：
Pan feeding section：130~160 DEG C；First fluxing zone：150~180 DEG C；Second fluxing zone：160~190 DEG C；Homogenizing zone： 160~190 DEG C；Head：155~185 DEG C；
Cooling uses normal temperature water cooling；
6) armor：Metal armor layers are that zinc-coated wire and the uniform mixing of tin plating hard copper silk are constituted；
7) wrapped second layer twining package tape：The wrapped second layer twining package tape outside wire sheathing, second layer twining package tape it is wrapped Direction and step 4) lapping direction it is opposite；The average value for putting up rate of second layer twining package tape is not less than 15%；
8) use extrudes mode and oversheath material is extruded outside second layer twining package tape, and cools down：
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：
Pan feeding section：130~160 DEG C；First fluxing zone：150~180 DEG C；Second fluxing zone：160~190 DEG C；Homogenizing zone： 160~190 DEG C；Head：155~185 DEG C.
Cooling uses normal temperature water cooling.
By this technique so that the qualification rate of this cable reaches more than 99.2%.
Using conductor radial section product as 35mm2Exemplified by copper core cable, the key technical indexes such as table 1 below：
Table 1：
Specification 2×35mm2
Conductor material/shape Copper/sector
Structure (radical/monofilament nominal diameter, mm) 19/1.60
Monofilament tensile strength (N/mm2) ≥225
Elongation at break (%) ≥25
Conductor maximum D.C. resistance (Ω/km) at 20 DEG C ≤0.524
Brief description of the drawings
Fig. 1 is this cable radial section schematic diagram；
In figure：Conductor 1, insulating barrier 2, the first twining package tape 3, inserts 4, inner sheath 5, wire sheathing 6, the second twining package tape 7th, oversheath 8.
Embodiment
The technical program is further described below with embodiment below in conjunction with the accompanying drawings：
Such as Fig. 1, a kind of semicircle conductors power cable, its structure is：Two same conductors, every conductor radial section is half Toroidal；Half and half round conductor outer wrapping insulating barrier；The stranded composition radial section of two conductors is circular cable core；Cable core outer cladding It is tightly packed in first twining package tape, cable core to have inserts；Twining package tape outer wrapping inner sheath, the armoured wire sheathing of inner sheath； In the twining package tape of wire sheathing outer cladding second, in the wrapped belt outer cladding oversheath.
The conductor of the semi-circular shape, its width：Highly it is (9.8~10.3)：(4.8~5.2)；Insulating barrier is that crosslinking is poly- Ethene insulating barrier.
The conductor is constituted by monofilament is stranded, and the monofilament direction of lay in two conductors is identical, the direction of lay of two conductors It is opposite with monofilament direction of lay；The lapping direction of first twining package tape is opposite with the direction of lay of two conductors.
Inserts is polypropylene tearing fiber (i.e. PP ropes), and its specification is without particular/special requirement.
The material of first and second twining package tape is all non-woven fabrics；The non-woven fabrics nominally requires to be 0.2mm；First and second layer of twining package tape The average value for putting up rate all be not less than be 15%.
The inner sheath is cross-linked polrvinyl chloride；The oversheath is termite-proof cross-linked polrvinyl chloride.
Wire sheathing is that zinc-coated wire and the uniform mixed weaving of tin plating hard copper silk are constituted；Zinc-coated wire and tin plating hard copper silk Usage ratio be 4：1~6：1.
In this example, using 30 ± 2 nominal diameter 1.6mm II group of zinc-coated wire, 6 nominal diameter 1.6mm's is tin plating Hard copper silk carries out armouring.
The manufacture method of the semicircle conductors power cable of this example, including step：
1) for either conductor, the stranded composition conductor of many metal monofilaments；Metal monofilament from-inner-to-outer is divided into multilayer；Often Adjacent two metal monofilaments in layer metal monofilament are mutually brought into close contact；In adjacent two layers metal monofilament, inside and outside layer metal monofilament It is brought into close contact；Conductor after stranded is pressed into semi-circular shape by roller mold；
Press coefficient not less than 0.9；
2) use extrudes mode and Insulation Material is wrapped in outside conductor, and cools down：
Using pressure-resistant 1kV organosilane crosslinked polyethylene insulations material, insulation thermal contraction is qualified, and insulate nominal thickness 0.9mm, insulation Average thickness is not less than nominal value, and the maximum average thickness of insulation is not more than 1.1mm；Thinnest part thickness is not less than 0.71mm, uses Special circular dies, it is ensured that semicircular conductor edge thinnest point thickness meets the requirements.
Cable core identification is using black, red；Two insulated wire cores insulation average thickness difference of stranding should be controlled Within 0.2mm；
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：Pan feeding section：135~165 DEG C；Fluxing zone：140~170 ℃；Homogenizing zone：140~180 DEG C；Die head linkage section：160~190 DEG C；Head：170~210 DEG C, die orifice：175~205 DEG C；
Sub-sectional cooling is used when cooling：About 50~70 DEG C of cooling water temperature in first paragraph bosh, second segment cooling Cooling water is normal temperature in tank；
3) by step 1), 2) made from two identical cores and the stranded composition cable core of inserts；Two conductors Interior monofilament direction of lay is identical, and the direction of lay of two conductors is opposite with monofilament direction of lay；The stranded lay ratio control model of stranding Enclose for (40~45) times；
4) wrapped first layer twining package tape：The wrapped first layer twining package tape outside core, the lapping direction of first layer twining package tape with Step 3) direction of lay it is opposite；The average value for putting up rate of first layer twining package tape is not less than 15%；
5) use extrudes mode and inner sheath material is wrapped in outside first layer twining package tape, and cools down；
Inner sheath uses black H-90PVC protective cover materials, and inner sheath closely should be extruded on cable core；Inner sheath nominal thickness 1.2mm, inner sheath average thickness is not less than nominal value, and thinnest part thickness is not less than the 85%-0.1mm of nominal thickness, inner sheath Extrude must rounding, close, external diameter should try one's best uniformity
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：Pan feeding section：130~160 DEG C；First fluxing zone：150~ 180℃；Second fluxing zone：160~190 DEG C；Homogenizing zone：160~190 DEG C；Head：155~185 DEG C；
Cooling uses normal temperature water cooling；
6) armor：Metal armor layers are that zinc-coated wire and the uniform mixing of tin plating hard copper silk are constituted；
Using 30 ± 2 nominal diameter 1.6mm II group of zinc-coated wire, 6 nominal diameter 1.6mm tin plating hard copper silk enters Row armouring, 4 tinned copper wires are spaced, and decile is carried out to zinc-coated wire.
Armouring silk closely should be arranged mutually, and total void can not should again accommodate down other armouring silk, wire between root and root Twist to for left-hand.
Wire armoring pitch is not more than the external diameter before 12 times of armourings.
7) wrapped second layer twining package tape：The wrapped second layer twining package tape outside wire sheathing, second layer twining package tape it is wrapped Direction and step 4) lapping direction it is opposite；The average value for putting up rate of second layer twining package tape is not less than 15%；
8) use extrudes mode and oversheath material is extruded outside second layer twining package tape, and cools down：
Oversheath uses Anti-termite flame-retardant polyvinyl chloride oversheath, and sheath closely should be extruded on cable core, color uniform one Cause, outward appearance shall be rounded up, any surface finish, the defect such as section pore-free, impurity, mechanical damage；The termite-proof sheath material of polyvinyl chloride Middle addition copper naphthenate anti-termite agent.
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：Pan feeding section：130~160 DEG C；First fluxing zone：150~ 180℃；Second fluxing zone：160~190 DEG C；Homogenizing zone：160~190 DEG C；Head：155~185 DEG C.Cooling uses normal-temperature water It is cold.
Processing step is extruded for three, technical arrangement plan experiment has been carried out, it is specific as follows：
The step 2) in,
A, pan feeding section：135℃；Fluxing zone：140℃；Homogenizing zone：150℃；Die head linkage section：160℃；Head：170 DEG C, Die orifice：175℃；About 50 DEG C of cooling water temperature in first paragraph bosh；
B, pan feeding section：150℃；Fluxing zone：155℃；Homogenizing zone：165℃；Die head linkage section：175℃；Head：190 DEG C, Die orifice：190℃；About 60 DEG C of cooling water temperature in first paragraph bosh；
C, pan feeding section：165℃；Fluxing zone：170℃；Homogenizing zone：180℃；Die head linkage section：190℃；Head：210 DEG C, Die orifice：205℃；About 70 DEG C of cooling water temperature in first paragraph bosh；
The step 5) in,
A, pan feeding section：130℃；First fluxing zone：150℃；Second fluxing zone：160℃；Homogenizing zone：160℃；Head： 155℃；
B, pan feeding section：145℃；First fluxing zone：165℃；Second fluxing zone：175℃；Homogenizing zone：175℃；Head： 170℃；
C, pan feeding section：160℃；First fluxing zone：180℃；Second fluxing zone：190℃；Homogenizing zone：190℃；Head： 185℃；
Step 8) in,
A, pan feeding section：130℃；First fluxing zone：150℃；Second fluxing zone：160℃；Homogenizing zone：160℃；Head： 155℃；
B, pan feeding section：145℃；First fluxing zone：165℃；Second fluxing zone：175℃；Homogenizing zone：175℃；Head： 170℃；
C, pan feeding section：160℃；First fluxing zone：180℃；Second fluxing zone：190℃；Homogenizing zone：190℃；Head： 185℃。
By the detection to cost cable, it was found that, B technological parameters are used in three steps, it, which is extruded, is insulated The qualification rate of layer and respective sheath can reach more than 99.7%；Using A technological parameters, qualification rate is lower slightly, for not less than 99.3%；Using C technological parameters, qualification rate is not less than 99.5%.

Claims (9)

1. a kind of manufacture method of semicircle conductors power cable, it is characterized in that
The structure of the semicircle conductors power cable is：Two same conductors, every conductor radial section is semi-circular shape；Half and half Round conductor outer wrapping insulating barrier；The stranded composition radial section of two conductors is circular cable core；Cable core outer cladding first layer is wrapped It is tightly packed in band, cable core to have inserts；Twining package tape outer wrapping inner sheath, the armoured wire sheathing of inner sheath；Compiled in metal Tissue layer outer cladding second layer twining package tape, in the wrapped belt outer cladding oversheath；Insulating barrier is crosslinked polyetylene insulated layer；It is described Inner sheath is cross-linked polrvinyl chloride inner sheath；The oversheath is termite-proof cross-linked polrvinyl chloride oversheath；
The manufacture method of the cable, including step：
1) for either conductor, the stranded composition conductor of many metal monofilaments；Metal monofilament from-inner-to-outer is divided into multilayer；Every layer of gold Adjacent two metal monofilaments in category monofilament are mutually brought into close contact；In adjacent two layers metal monofilament, inside and outside layer metal monofilament is close Laminating；Conductor after stranded is pressed into semi-circular shape by roller mold；
Press coefficient not less than 0.9；
2) use extrudes mode and Insulation Material is wrapped in outside conductor, and cools down：
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：
Pan feeding section temperature be：135~165 DEG C；Fluxing zone temperature is：140~170 DEG C；Homogenizing zone temperature is：150~180 DEG C； Die head linkage section temperature is：160~190 DEG C；Head temperature is：170~210 DEG C, die temperature is：175~205 DEG C；
Sub-sectional cooling is used when cooling：It is 50 to produce cooling water temperature in direction of advance, first paragraph bosh according to cable ~70 DEG C, cooling water is normal temperature in second segment bosh；
3) by step 1), 2) made from two identical cores and the stranded composition cable core of inserts；In two conductors Monofilament direction of lay is identical, and the direction of lay of two conductors is opposite with monofilament direction of lay；The stranded lay ratio control range of stranding is 40~45 times；
4) wrapped first layer twining package tape：The wrapped first layer twining package tape outside core, the lapping direction and step of first layer twining package tape 3) direction of lay is opposite；The average value for putting up rate of first layer twining package tape is not less than 15%；
5) use extrudes mode and inner sheath material is wrapped in outside first layer twining package tape, and cools down；
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：
Pan feeding section temperature be：130~160 DEG C；First fluxing zone temperature is：150~180 DEG C；Second fluxing zone temperature is：160 ~190 DEG C；Homogenizing zone temperature is：160~190 DEG C；Head temperature is：155~185 DEG C；
Cooling uses normal temperature water cooling；
6) armor：Metal armor layers are that zinc-coated wire and the uniform mixing of tin plating hard copper silk are constituted；
7) wrapped second layer twining package tape：Wrapped second layer twining package tape, the lapping direction of second layer twining package tape outside wire sheathing With step 4) lapping direction it is opposite；The average value for putting up rate of second layer twining package tape is not less than 15%；
8) use extrudes mode and oversheath material is extruded outside second layer twining package tape, and cools down：
Rubber extruding machine is from entering to expect discharging, and each section of temperature requirement is：
Pan feeding section temperature be：130~160 DEG C；First fluxing zone temperature is：150~180 DEG C；Second fluxing zone temperature is：160 ~190 DEG C；Homogenizing zone temperature is：160~190 DEG C；Head temperature is：155~185 DEG C；
Cooling uses normal temperature water cooling.
2. manufacture method according to claim 1, it is characterized in that the step 2) in, Insulation Material is to use pressure-resistant 1kV silicon Alkane cross-linked polyethylene insulating material；Insulating barrier nominal thickness 0.9mm, insulation average thickness is not less than nominal value, and insulation is maximum average Thickness is not more than 1.1mm；Thinnest part thickness is not less than 0.71mm；
Core identification uses the color distortion of insulating barrier；Two insulated wire cores insulation average thickness difference control of stranding exists Within 0.2mm.
3. manufacture method according to claim 1, it is characterized in that the step 5) in, inner sheath nominal thickness 1.2mm is interior Sheath average thickness is not less than nominal value, and thinnest part thickness is not less than the 85%-0.1mm of nominal thickness, and inner sheath extrudes necessary Rounding, close, external diameter answers uniformity.
4. manufacture method according to claim 1, it is characterized in that the step 6) in, using 30 ± 2 nominal diameters 1.6mm II group of zinc-coated wire, 6 nominal diameter 1.6mm tin plating hard copper silk carries out armouring；Wherein, between 4 tin plating hard copper silks Every arrangement, decile is carried out to zinc-coated wire；
Armouring silk is close mutually to be arranged, and total void can not should again accommodate down other armouring silk between root and root, wire twist to for Left-hand；
Wire armoring pitch is not more than the external diameter before 12 times of armourings.
5. manufacture method according to claim 1, it is characterized in that
The step 2) in,
Pan feeding section temperature be：135℃；Fluxing zone temperature is：140℃；Homogenizing zone temperature is：150℃；Die head linkage section temperature For：160℃；Head temperature is：170 DEG C, die temperature is：175℃；Cooling water temperature is in first paragraph bosh：50℃；
Either, pan feeding section temperature is：150℃；Fluxing zone temperature is：155℃；Homogenizing zone temperature is：165℃；Die head is connected Duan Wendu is：175℃；Head temperature is：190 DEG C, die temperature is：190℃；Cooling water temperature is in first paragraph bosh 60℃；
Either, pan feeding section temperature is：165℃；Fluxing zone temperature is：170℃；Homogenizing zone temperature is：180℃；Die head is connected Duan Wendu is：190℃；Head temperature is：210 DEG C, die temperature is：205℃；Cooling water temperature in first paragraph bosh For：70℃；
The step 5) in,
Pan feeding section temperature be：130℃；First fluxing zone temperature is：150℃；Second fluxing zone temperature is：160℃；Homogenizing zone temperature Spend and be：160℃；Head temperature is：155℃；
Either, pan feeding section temperature is：145℃；First fluxing zone temperature is：165℃；Second fluxing zone temperature is：175℃； Homogenizing zone temperature is：175℃；Head temperature is：170℃；
Either, pan feeding section temperature is：160℃；First fluxing zone temperature is：180℃；Second fluxing zone temperature is：190℃； Homogenizing zone temperature is：190℃；Head temperature is：185℃；
The step 8) in,
Pan feeding section temperature be：130℃；First fluxing zone temperature is：150℃；Second fluxing zone temperature is：160℃；Homogenizing zone temperature Spend and be：160℃；Head temperature is：155℃；
Either, pan feeding section temperature is：145℃；First fluxing zone temperature is：165℃；Second fluxing zone temperature is：175℃； Homogenizing zone temperature is：175℃；Head temperature is：170℃；
Either, pan feeding section temperature is：160℃；First fluxing zone temperature is：180℃；Second fluxing zone temperature is：190℃； Homogenizing zone temperature is：190℃；Head temperature is：185℃.
6. the manufacture method of semicircle conductors power cable according to claim 1, it is characterized in that the semi-circular shape is led Body, its width：Highly it is (9.8~10.3)：(4.8~5.2).
7. the manufacture method of semicircle conductors power cable according to claim 1, it is characterized in that the conductor is twisted by monofilament Close and constitute, the monofilament direction of lay in two conductors is identical, and the direction of lay of two conductors is opposite with monofilament direction of lay；First layer The lapping direction of twining package tape is opposite with the direction of lay of two conductors.
8. the manufacture method of semicircle conductors power cable according to claim 1, it is characterized in that inserts tears for polypropylene Split fiber；The material of first and second layer of twining package tape is all non-woven fabrics.
9. the manufacture method of semicircle conductors power cable according to claim 8, it is characterized in that the nonwoven thickness is 0.2mm；The average value for putting up rate of first and second layer of twining package tape is all not less than 15%；
The usage ratio of zinc-coated wire and tin plating hard copper silk is 4：1~6：1；
The diameter of zinc-coated wire and tin plating hard copper silk is all 1.6mm.
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CN106782806A (en) * 2017-01-22 2017-05-31 山东聚辰电缆有限公司 A kind of profile conductor twisted cable beneficial to protection insulating barrier
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CN108242289A (en) * 2018-01-08 2018-07-03 广德克莱德新材料技术有限公司 A kind of semicircle simultaneously closes round conductor and its production method
CN109801738A (en) * 2019-01-08 2019-05-24 芜湖航天特种电缆厂股份有限公司 Positive and negative grade rapid charge cable and preparation method thereof
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CN201498246U (en) * 2009-09-17 2010-06-02 天津徳芃科技集团有限公司 Shielded power wire
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