CN102347111A - Method for manufacturing enhanced flat cable for wagon dumper - Google Patents
Method for manufacturing enhanced flat cable for wagon dumper Download PDFInfo
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- CN102347111A CN102347111A CN2011101731195A CN201110173119A CN102347111A CN 102347111 A CN102347111 A CN 102347111A CN 2011101731195 A CN2011101731195 A CN 2011101731195A CN 201110173119 A CN201110173119 A CN 201110173119A CN 102347111 A CN102347111 A CN 102347111A
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004020 conductor Substances 0.000 claims abstract description 46
- 239000000463 material Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 13
- 239000010959 steel Substances 0.000 claims abstract description 13
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 31
- 238000012360 testing method Methods 0.000 claims description 30
- 238000013459 approach Methods 0.000 claims description 18
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- 229910052802 copper Inorganic materials 0.000 claims description 16
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- 239000002253 acid Substances 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 5
- 239000005864 Sulphur Substances 0.000 claims description 5
- 239000003513 alkali Substances 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
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- 239000004945 silicone rubber Substances 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 2
- 238000004073 vulcanization Methods 0.000 claims description 2
- 238000005491 wire drawing Methods 0.000 abstract description 9
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Abstract
The invention discloses a method for manufacturing an enhanced flat cable for a wagon dumper, and the method is characterized by comprising the following steps: material selection, wire drawing, conductor twisting, winding and wrapping of an isolating layer, extrusion of the insulating layer, cabling of wiring harness, primary shield of wiring harness, secondary shield of wiring harness, extrusion of an outer sheath, performance detection and finished products. In the method, the conductor center of the cable is provided with a steel wire rope stiffener so as to improve the longitudinal stretching resistance of the cable; and a wire braid is used as a metal shielding layer, the primary shielding braid density is not less than 80%, and the secondary shielding braid density is not less than 85%, thus not only improving shielding factors of a cable core but also providing effective physical and mechanical protective actions for the cable. The cable manufactured by the method has the advantages of good flexibleness, salt mist resistance, greasy dirt resistance and inflaming retarding property, no cracking and no deformation for long term use, and no core breaking at the movable operating mode speed of 1.2m/s.
Description
Technical field
The present invention relates to the cable technology field, relate in particular to a kind of manufacturing approach that is applicable to car tipper with flat cable.
Background technology
The present C type car dumper system that uses; The trailing cable of equipment such as readjustment, air-conditioning, transfer platform is in outdoor for a long time; The wind of exposing to the sun and rain; Environment is abominable; The common cable oversheath crackle will soon occur, peel off, and cable is under long-term bad working environment, and cable is easy to cracking; Distortion, and disconnected core.Car tipper flat cable in the past adopts steel wire rope to place the cable both sides to strengthen, and cable can cause the restrictive coating cracking under long-term work; And the braid shielded operation of flat cable generally adopts copper wire braiding primary shielding, count >=80%.Shield effectiveness is not enough, can not reach the shielding factor of cable 100%.
Chinese patent 200820223678.6 disclosed a kind of reinforcement shield type flat cables; The core of this cable is made up of synnema flexible conductor, insulating barrier, band and screen; Insulating barrier is a fourth cyanogen composite layer; Screen is the copper wire layer that the copper wire braiding forms; Sheath is a fourth cyanogen compound sheath; Between said core and sheath, be provided with steel wire rope, steel wire rope is located at the core both sides.This flat cable shielding is good, can be widely used in 0.6/1 kilovolt of operating voltage below the level, the industry of ambient temperature-40～70 ℃.But the reinforcement steel wire rope of this flat cable is arranged on the core both sides, under long-term work, can cause the restrictive coating cracking, and the assurance of tension reinforcement can not be provided to cable.
Summary of the invention
In order to solve the problems of the technologies described above; The present invention proposes the manufacturing approach of a kind of car tipper with reinforced flat cable; The present invention is provided with the steel wire rope reinforcement at the conductor center of cable; Improve vertical stretching resistance of cable; Adopt metal wire knitted as metal screen layer, and the primary shielding count is not less than 80%, the secondary shield count is not less than 85%; Not only improved the shielding factor of cable core greatly, more cable provides effective physical mechanical protective action; Adopt the produced cable flexibility of the present invention good, anti-salt fog, anti-greasy dirt, flame retardant type is good and the long-term use of cable is not ftractureed, indeformable, continuous core under the mobile industrial and mineral speed of 1.2m/s.
The present invention realizes through following technical scheme:
One kind dumper flat cables with enhanced method for manufacturing process is as follows: the choice of materials - drawing - Conductor Stranded - isolation layer wrapping - an insulating layer extrusion - lines cable - line group once shielded - line group secondary Shield - outer sheathing - performance testing - product, characterized in that: said stranded conductor is formed after the drawing step single-stranded copper wire in accordance with the diameter of the stranded conductor sections 14-16 times the stranded be made from twisted conductors in the stranding process, the center layer is made of a conductor diameter copper wire strands of the same diameter wire rope, wire strands used outside and then, and then twisted crafted conductor; said line group once shielded cordsets secondary shield refers to the use of metal wire and wire feeder and a dedicated high-speed weaving machine weaving and silk 4-7 roots per fine round copper wire, braided angle 45-65
o , a shield braid density of not less than 80%, the second shield braid density of not less than 85%.
Described selecting materials is meant and chooses the raw material of electrician's round copper rod as cable conductor, can select versatile material of the prior art for use simultaneously.
Described wire drawing is meant that electrician's round copper rod is drawn into the copper monofilament through a plurality of wire-drawing dies of drawing device.
Described separator is wrapped to be meant that wrapped equably non-hygroscopic band forms separator on the conductor of processing behind the conductor twisting step, and wrapped Duplication is 20%, and forms core.
Said insulating barrier is extruded and is meant employing silicon rubber bolt special on company's sulphur production line; Curing tube adopts half catenary suspension type continuous vulcanization; Adopt plsitive mold to extrude in the silicon rubber insulation material; Simultaneously core rod outer surface and the die sleeve inner surface that is used to extrude silicon rubber carried out polishing before extruding; In extrusion; Head is carried out uninterrupted water cooling, reduce the temperature of die surface.
Described line is formed cable and is meant that insulated wire cores is twisted according to the 18-20 laying up pitch doubly of cable core diameter and processes cable core, and outside cable core wrapped non-hygroscopic band, wrapped rate >=20% of putting up.
Said oversheath is extruded and is meant the parallel placement of line group, adopts plsitive mold to extrude high anti-tear silicone rubber jacket material, and the core rod spacing is controlled at 1-2mm.
Said properties of product detect and are meant under the condition of 20 ℃ of room temperatures, and the cable of accomplishing the oversheath extrusion step is carried out conductor DC resistance test, power frequency withstand test and insulation resistance check, oversheath is carried out the check of weather low-temperature bending, anti tear check, pH resistance test.
The check of said oversheath weather low-temperature bending is meant cable under temperature-100 ℃ environment lasting 15-20 hour, whether checks free from flaw after the test.
Said oversheath anti tear check is meant that cable will have the tearing strength of minimum 30.0N/mm.
Said oversheath pH resistance test is meant under 21-25 ℃ of condition cable is passed through acid solution and alkali lye that the time is 168 hours, requires tensile strength rate of change maximum ± 30% of cable jacket, elongation at break minimum 100%.
Passing through the test of product performance step after the finished product packing warehouse-in that is up to the standards.
The invention has the advantages that:
1, since the present invention adopt select materials-wire drawing-conductor is stranded-separator is wrapped-insulating barrier extrudes-line forms cable-line group primary shielding-line group secondary shield-oversheath and extrude-the such operation of Performance Detection-finished product makes cable; And emphasis improves to be in conductor and adopts the 6th type of copper wire conductor structure; Filament diameter is thinner; Twisting pitch reduces, and two aspects improve the flexibility of cable.In the stranded process of conductor, adopt the doubling mould of reduced size, make the conductor thread core outward appearance rounding, tight, bright and clean of strand system, and help insulating extrude effect.The conductor center is provided with the steel wire rope reinforcement, improves vertical stretching resistance of cable, can guarantee cable under long-term bad working environment, and constantly core, indeformable has improved the useful life that the car tipper cable is worked under adverse circumstances.
2, another improvement of the present invention is that screen adopts metal wire knitted as metal screen layer, and the thin round copper wire of per share doubling 4-7 root, angle of weave 45-65
o, the primary shielding count is not less than 80%, and the secondary shield count is not less than 85%.Not only improved the shielding factor of cable core greatly, played the effect of cable core shielding, more cable provides effective physical mechanical protective action, it is worked in rugged environment still can bear higher mechanical stress, has satisfied the flexibility of cable simultaneously again.
3, all adopt heat-resisting cold-resistant silastic material for insulation and sheath; And sheath is the anti-tear type of fire-retardant height. this material not only has extraordinary electrical insulation capability and corona property; Have anti-aging, acid and alkali-resistance simultaneously, characteristic such as high temperature resistant also has good resilience in addition, still can restore to the original state behind the long-term pressurized.Satisfy the softness of this cable, be easy to characteristic around song, stretching, resistance to chemical attack etc.Guarantee that the car tipper cable has high-low temperature resistant, maximum temperature is+180 ℃, and minimum temperature is-80 ℃.Have anti-salt fog, anti-greasy dirt, etch-proof performance simultaneously.
Description of drawings
Fig. 1 is a process chart of the present invention.
Embodiment
Embodiment 1
A kind of car tipper is with the manufacturing approach of reinforced flat cable; It is characterized in that manufacturing process flow is following: select materials-wire drawing-conductor is stranded-separator is wrapped-insulating barrier extrudes-line forms cable-line group primary shielding-line group secondary shield-oversheath and extrudes-Performance Detection-finished product; The stranded employing central core of said conductor is a steel wire rope; Outer for restrainting the good copper wire strand of strand; Twist again again; Twist according to 14 times twisting pitch of stranded conductor diameter and to process conductor, the diameter value of steel wire rope must guarantee that the arrangement architecture of outer contact is suitable; Described line group primary shielding, line group secondary shield are meant and adopt thin round copper wire on special-purpose doubling winder and high-speed knitter, to weave 7 thin round copper wires of per share doubling, angle of weave 65
o, the primary shielding count is 80%, the secondary shield count is 85%.
The raw material of choosing in selecting materials is electrician's round copper rod.
Described wire drawing is meant that electrician's round copper rod is drawn into the copper monofilament through a plurality of wire-drawing dies of drawing device.
Described separator is wrapped to be meant that wrapped equably non-hygroscopic band forms separator on the conductor of processing behind the conductor twisting step, and wrapped Duplication is 20%, and forms core.
Said insulating barrier is extruded and is meant connecting on the sulphur production line and adopts plsitive mold extruding in the silicon rubber insulation material; Compression ratio is the screw rod of 4:1; This manufacturing approach is improved mould; Reduce the volume of material in head through the precision-fit between the mould, simultaneously core rod outer surface and the die sleeve inner surface that is used to extrude silicon rubber carried out polishing; Increase the spacer water cooling at the curing tube first segment, the curing tube air intake is moved on to the middle and lower part by top, the place carries out uninterrupted water cooling to the head die orifice, reduces the temperature of die surface as far as possible.With 2.5mm
2Insulated wire cores is extruded and is example, and we are set in 0.6MPa to steam pressure, and temperature is about 150 ℃, and line speed is set 10m/min.
Described line is formed cable and is meant that insulated wire cores is twisted according to 18 times laying up pitch of cable core diameter and processes cable core, and outside cable core wrapped non-hygroscopic band, the wrapped rate of putting up is 20%.
Said oversheath is extruded and is meant the parallel placement of line group, adopts plsitive mold to extrude high anti-tear silicone rubber jacket material, and the core rod spacing is controlled at 1.5mm.
Said properties of product detect and are meant under the condition of 20 ℃ of room temperatures, and the cable of accomplishing the oversheath extrusion step is carried out conductor DC resistance test, power frequency withstand test and insulation resistance check, oversheath is carried out the check of weather low-temperature bending, anti tear check, pH resistance test.
The check of said oversheath weather low-temperature bending is meant cable under temperature-100 ℃ environment lasting 18 hours, whether checks free from flaw after the test.
Said oversheath anti tear check is meant that cable will have the tearing strength of minimum 20N/mm.
Said oversheath pH resistance test is meant under 21 ℃ of conditions that cable through acid solution and alkali lye, the time is 168 hours, require the tensile strength rate of change of cable jacket to be to the maximum ± 20%, the elongation at break minimum is 100%.
Passing through the test of product performance step after the finished product packing warehouse-in that is up to the standards.
Embodiment 2
A kind of car tipper is with the manufacturing approach of reinforced flat cable; It is characterized in that manufacturing process flow is following: select materials-wire drawing-conductor is stranded-separator is wrapped-insulating barrier extrudes-line forms cable-line group primary shielding-line group secondary shield-oversheath and extrudes-Performance Detection-finished product; The stranded employing central core of said conductor is a steel wire rope; Outer for restrainting the good copper wire strand of strand; Twist again again; Twist according to 15 times twisting pitch of stranded conductor diameter and to process conductor, the diameter value of steel wire rope must guarantee that the arrangement architecture of outer contact is suitable; Described line group primary shielding, line group secondary shield are meant and adopt thin round copper wire on special-purpose doubling winder and high-speed knitter, to weave 6 thin round copper wires of per share doubling, angle of weave 55
o, the primary shielding count is 90%, the secondary shield count is 85%.
The raw material of choosing in selecting materials is electrician's round copper rod.
Described wire drawing is meant that electrician's round copper rod is drawn into the copper monofilament through a plurality of wire-drawing dies of drawing device.
Described separator is wrapped to be meant that wrapped equably non-hygroscopic band forms separator on the conductor of processing behind the conductor twisting step, and wrapped Duplication is 20%, and forms core.
Said insulating barrier is extruded and is meant connecting on the sulphur production line and adopts plsitive mold extruding in the silicon rubber insulation material; Compression ratio is the screw rod of 4:1; This manufacturing approach is improved mould; Reduce the volume of material in head through the precision-fit between the mould, simultaneously core rod outer surface and the die sleeve inner surface that is used to extrude silicon rubber carried out polishing; Increase the spacer water cooling at the curing tube first segment, the curing tube air intake is moved on to the middle and lower part by top, the place carries out uninterrupted water cooling to the head die orifice, reduces the temperature of die surface as far as possible.With 2.5mm
2Insulated wire cores is extruded and is example, and we are set in 0.6MPa to steam pressure, and temperature is about 155 ℃, and line speed is set 10m/min.
Described line is formed cable and is meant that insulated wire cores is twisted according to 20 times laying up pitch of cable core diameter and processes cable core, and outside cable core wrapped non-hygroscopic band, the wrapped rate of putting up is 20%.
Said oversheath is extruded and is meant the parallel placement of line group, adopts plsitive mold to extrude high anti-tear silicone rubber jacket material, and the core rod spacing is controlled at 2mm.
Said properties of product detect and are meant under the condition of 20 ℃ of room temperatures, and the cable of accomplishing the oversheath extrusion step is carried out conductor DC resistance test, power frequency withstand test and insulation resistance check, oversheath is carried out the check of weather low-temperature bending, anti tear check, pH resistance test.
The check of said oversheath weather low-temperature bending is meant cable under temperature-100 ℃ environment lasting 20 hours, whether checks free from flaw after the test.
Said oversheath anti tear check is meant that cable will have the tearing strength of minimum 20N/mm.
Said oversheath pH resistance test is meant under 25 ℃ of conditions that cable through acid solution and alkali lye, the time is 168 hours, require the tensile strength rate of change of cable jacket to be to the maximum ± 30%, the elongation at break minimum is 100%.
Passing through the test of product performance step after the finished product packing warehouse-in that is up to the standards.
Embodiment 3
A kind of car tipper is with the manufacturing approach of reinforced flat cable; It is characterized in that manufacturing process flow is following: select materials-wire drawing-conductor is stranded-separator is wrapped-insulating barrier extrudes-line forms cable-line group primary shielding-line group secondary shield-oversheath and extrudes-Performance Detection-finished product; The stranded employing central core of said conductor is a steel wire rope; Outer for restrainting the good copper wire strand of strand; Twist again again; Twist according to 16 times twisting pitch of stranded conductor diameter and to process conductor, the diameter value of steel wire rope must guarantee that the arrangement architecture of outer contact is suitable; Described line group primary shielding, line group secondary shield are meant and adopt thin round copper wire on special-purpose doubling winder and high-speed knitter, to weave 5 thin round copper wires of per share doubling, angle of weave 60
o, the primary shielding count is 90%, the secondary shield count is 95%.
The raw material of choosing in selecting materials is electrician's round copper rod.
Described wire drawing is meant that electrician's round copper rod is drawn into the copper monofilament through a plurality of wire-drawing dies of drawing device.
Described separator is wrapped to be meant that wrapped equably non-hygroscopic band forms separator on the conductor of processing behind the conductor twisting step, and wrapped Duplication is 20%, and forms core.
Said insulating barrier is extruded and is meant connecting on the sulphur production line and adopts plsitive mold extruding in the silicon rubber insulation material; Compression ratio is the screw rod of 4:1; This manufacturing approach is improved mould; Reduce the volume of material in head through the precision-fit between the mould, simultaneously core rod outer surface and the die sleeve inner surface that is used to extrude silicon rubber carried out polishing; Increase the spacer water cooling at the curing tube first segment, the curing tube air intake is moved on to the middle and lower part by top, the place carries out uninterrupted water cooling to the head die orifice, reduces the temperature of die surface as far as possible.With 2.5mm
2Insulated wire cores is extruded and is example, and we are set in 0.6MPa to steam pressure, and temperature is about 155 ℃, and line speed is set 10m/min.
Described line is formed cable and is meant that insulated wire cores is twisted according to 18 times laying up pitch of cable core diameter and processes cable core, and outside cable core wrapped non-hygroscopic band, the wrapped rate of putting up is 20%.
Said oversheath is extruded and is meant the parallel placement of line group, adopts plsitive mold to extrude high anti-tear silicone rubber jacket material, and the core rod spacing is controlled at 2mm.
Said properties of product detect and are meant under the condition of 20 ℃ of room temperatures, and the cable of accomplishing the oversheath extrusion step is carried out conductor DC resistance test, power frequency withstand test and insulation resistance check, oversheath is carried out the check of weather low-temperature bending, anti tear check, pH resistance test.
The check of said oversheath weather low-temperature bending is meant cable under temperature-100 ℃ environment lasting 15 hours, whether checks free from flaw after the test.
Said oversheath anti tear check is meant that cable will have the tearing strength of minimum 20N/mm.
Said oversheath pH resistance test is meant under 23 ℃ of conditions that cable through acid solution and alkali lye, the time is 168 hours, require the tensile strength rate of change of cable jacket to be to the maximum ± 25%, the elongation at break minimum is 100%.
Passing through the test of product performance step after the finished product packing warehouse-in that is up to the standards.
Claims (9)
1. a car tipper is with the manufacturing approach of reinforced flat cable, and manufacturing process flow is following: select materials-wire drawing-conductor is stranded-separator is wrapped-insulating barrier extrudes-line forms cable-line group primary shielding-line group secondary shield-oversheath and extrudes-Performance Detection-finished product; It is characterized in that: described conductor is stranded to be meant that the multiply copper monofilament that after drawing step, forms twists according to the 14-16 twisting pitch doubly of stranded conductor diameter and to process conductor, in stranded process, is provided with steel wire rope in the central core of conductor; Said line group primary shielding, line group secondary shield are meant and adopt wire on special-purpose doubling winder and high-speed knitter, to weave the thin round copper wire of per share doubling 4-7 root, angle of weave 45-65
o, the primary shielding count is not less than 80%, and the secondary shield count is not less than 85%.
2. a kind of car tipper according to claim 1 is with the manufacturing approach of reinforced flat cable; It is characterized in that: described separator is wrapped to be meant that wrapped equably non-hygroscopic band forms separator on the conductor of processing behind the conductor twisting step; Wrapped Duplication is 20%, and forms core.
3. a kind of car tipper according to claim 1 is with the manufacturing approach of reinforced flat cable; It is characterized in that: said insulating barrier is extruded and is meant employing silicon rubber bolt special on company's sulphur production line; Curing tube adopts half catenary suspension type continuous vulcanization; Adopt plsitive mold to extrude in the silicon rubber insulation material; Simultaneously core rod outer surface and the die sleeve inner surface that is used to extrude silicon rubber carried out polishing before extruding; In extrusion, head is carried out uninterrupted water cooling, reduce the temperature of die surface.
4. a kind of car tipper according to claim 1 is with the manufacturing approach of reinforced flat cable; It is characterized in that: described line is formed cable and is meant that insulated wire cores is twisted according to the 18-20 laying up pitch doubly of cable core diameter and processes cable core; And outside cable core wrapped non-hygroscopic band, wrapped rate >=20% of putting up.
5. a kind of car tipper according to claim 1 is characterized in that with the manufacturing approach of reinforced flat cable: said oversheath is extruded and is meant the parallel placement of line group, adopts plsitive mold to extrude high anti-tear silicone rubber jacket material, and the core rod spacing is controlled at 1-2mm.
6. a kind of car tipper according to claim 1 is with the manufacturing approach of reinforced flat cable; It is characterized in that: said properties of product detect and are meant under the condition of 20 ℃ of room temperatures, and the cable of accomplishing the oversheath extrusion step is carried out conductor DC resistance test, power frequency withstand test and insulation resistance check, oversheath is carried out the check of weather low-temperature bending, anti tear check, pH resistance test.
7. a kind of car tipper according to claim 6 is with the manufacturing approach of reinforced flat cable; It is characterized in that: the check of said oversheath weather low-temperature bending is meant cable under temperature-100 ℃ environment lasting 15-20 hours, whether checks free from flaw after the test.
8. a kind of car tipper according to claim 6 is characterized in that with the manufacturing approach of reinforced flat cable: said oversheath anti tear check is meant that cable will have the tearing strength of minimum 30.0N/mm.
9. a kind of car tipper according to claim 6 is with the manufacturing approach of reinforced flat cable; It is characterized in that: said oversheath pH resistance test is meant under 21-25 ℃ of condition cable process acid solution and alkali lye; Time is 168 hours; Require the tensile strength rate of change of cable jacket maximum ± 30%, elongation at break minimum 100%.
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| CN 201110173119 CN102347111B (en) | 2011-06-24 | 2011-06-24 | Method for manufacturing enhanced flat cable for wagon dumper |
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| CN 201110173119 CN102347111B (en) | 2011-06-24 | 2011-06-24 | Method for manufacturing enhanced flat cable for wagon dumper |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102751005A (en) * | 2012-07-06 | 2012-10-24 | 成都大唐线缆有限公司 | Cable and production method thereof |
| CN103489531A (en) * | 2013-08-21 | 2014-01-01 | 远程电缆股份有限公司 | High conductivity copper conductor manufacturing process |
| CN104715863A (en) * | 2013-12-17 | 2015-06-17 | 上海特缆电工科技有限公司 | Method for extruding silicone rubber sheath layer on cable braided shield layer surface |
| CN109166675A (en) * | 2018-09-11 | 2019-01-08 | 广东中德电缆有限公司 | A kind of manufacture craft of rectangular cable |
| WO2021000499A1 (en) * | 2019-07-03 | 2021-01-07 | 江苏亨通线缆科技有限公司 | Double-sheathed spiral cable and manufacturing process therefor |
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| JP2005166402A (en) * | 2003-12-02 | 2005-06-23 | Hitachi Cable Ltd | Shielded cable |
| CN2738363Y (en) * | 2004-10-01 | 2005-11-02 | 扬州市红旗电缆制造有限公司 | Transmission trunk cable for coal well |
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| CN201689732U (en) * | 2010-04-12 | 2010-12-29 | 无锡市沪安电线电缆有限公司 | High-shielding performance five-core cable |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102751005A (en) * | 2012-07-06 | 2012-10-24 | 成都大唐线缆有限公司 | Cable and production method thereof |
| CN103489531A (en) * | 2013-08-21 | 2014-01-01 | 远程电缆股份有限公司 | High conductivity copper conductor manufacturing process |
| CN104715863A (en) * | 2013-12-17 | 2015-06-17 | 上海特缆电工科技有限公司 | Method for extruding silicone rubber sheath layer on cable braided shield layer surface |
| CN104715863B (en) * | 2013-12-17 | 2017-02-15 | 上海特缆电工科技有限公司 | Method for extruding silicone rubber sheath layer on cable braided shield layer surface |
| CN109166675A (en) * | 2018-09-11 | 2019-01-08 | 广东中德电缆有限公司 | A kind of manufacture craft of rectangular cable |
| WO2021000499A1 (en) * | 2019-07-03 | 2021-01-07 | 江苏亨通线缆科技有限公司 | Double-sheathed spiral cable and manufacturing process therefor |
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| CN102347111B (en) | 2013-03-13 |
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