CN105679436A - High-speed high-shielding data line and production process therefor - Google Patents
High-speed high-shielding data line and production process therefor Download PDFInfo
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- CN105679436A CN105679436A CN201511014696.4A CN201511014696A CN105679436A CN 105679436 A CN105679436 A CN 105679436A CN 201511014696 A CN201511014696 A CN 201511014696A CN 105679436 A CN105679436 A CN 105679436A
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- data line
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000004677 Nylon Substances 0.000 claims abstract description 20
- 229920001778 nylon Polymers 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 17
- 229910052802 copper Inorganic materials 0.000 claims abstract description 17
- 229920000098 polyolefin Polymers 0.000 claims abstract description 14
- 239000002131 composite material Substances 0.000 claims abstract description 13
- 229920003023 plastic Polymers 0.000 claims abstract description 8
- 239000004033 plastic Substances 0.000 claims abstract description 8
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003063 flame retardant Substances 0.000 claims abstract description 6
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims description 37
- 238000001125 extrusion Methods 0.000 claims description 20
- 239000004020 conductor Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 9
- 229920002313 fluoropolymer Polymers 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 230000004927 fusion Effects 0.000 claims description 6
- 229920001903 high density polyethylene Polymers 0.000 claims description 6
- 239000004700 high-density polyethylene Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 4
- 241000606750 Actinobacillus Species 0.000 claims description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 3
- 241001463139 Vitta Species 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 3
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 claims description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 claims description 3
- 239000000347 magnesium hydroxide Substances 0.000 claims description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 3
- -1 polysiloxane Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- 229920001897 terpolymer Polymers 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 238000009997 thermal pre-treatment Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 239000004411 aluminium Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000004304 visual acuity Effects 0.000 description 1
Classifications
-
- 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
- H01B7/1805—Protections not provided for in groups H01B7/182 - H01B7/26
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/005—Quad constructions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
-
- 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
- H01B7/02—Disposition of insulation
- H01B7/0275—Disposition of insulation comprising one or more extruded layers of insulation
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
- H01B7/295—Protection against damage caused by extremes of temperature or by flame using material resistant to flame
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
Landscapes
- Chemical & Material Sciences (AREA)
- Insulated Conductors (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
Abstract
The invention relates to a high-speed high-shielding data line and a production process therefor. The data line comprises four pairs of twisted pairs, an inner framework, a tensile nylon rope and an outer sheath, wherein each of the four pairs of twisted pair is formed by two oxygen-free pure copper wires in a stranding manner, wherein the surface of each oxygen-free pure copper wire is coated with an inner insulating layer, and the oxygen-free pure copper wire is 99.97% in purity; the four pairs of twisted pairs are arranged in four cavities separated by the inner framework respectively; the surface of each twisted pair in each cavity is coated with an aluminium plastic composite band to form an inner shielding layer; the tensile nylon rope coats the four pairs of twisted pairs and the inner framework; the surface of the tensile nylon rope is coated with a tin-plated copper wire woven band to form an outer shielding layer; and the surface of the outer shielding layer is coated with a low-smoke zero-halogen flame-retardant polyolefin material to form the outer sheath for the data line. The data line is high in transmission speed, good in shielding effect on high-frequency electromagnetic waves, capable of reducing the phenomena of crosstalk and signal attenuation, and relatively high in data transmission bandwidth; and in addition, the production process can be implemented easily, and the obtained product has relatively good electrical performance, high flame retardancy and good environmental protection effect.
Description
Technical field
The present invention relates to a kind of data cable and production technique thereof, specifically a kind of high shadow data line of high speed and production technique thereof.
Background technology
Along with information-based fast-developing, data cable obtains further large-scale application, rapidly being doubled and redoubled and access network technology leapfrogging growth of network technology, the requirement of data transmission line is also more and more higher, and people progressively going deep into environmental protection ideas, traditional data line oneself can not meet digital audio-effect processing completely to high resolving power, high transfer rate, the requirement quite of high color depth image and numeral sound, for improving reflection and the absorption of frequency electromagnetic waves, and improve cross-talk and signal attenuation, the bandwidth of expansion absorption frequency also improves the stability of Signal transmissions, need badly and want the data transmission cable of high shielding at a high speed to meet the development demand of available data transmission.
Summary of the invention
It is an object of the invention to provide a kind of high shadow data line of high speed, the transfer rate height of the high shadow data line of this high speed, the shield effectiveness of frequency electromagnetic waves is good, improve the phenomenon of cross-talk and signal attenuation, and also there is higher data transfer bandwidth; Be easy to realize for the production of the production technique of this data line, easy to operate, the product of production there is higher electric property and flame-proof environmental protection effect good.
In order to realize above-mentioned purpose, the technical solution used in the present invention is, a kind of high shadow data line of high speed, comprise 4 pairs of twisted-pair feeders, inner frame, tension nylon rope and oversheath, the 4 pairs of twisted-pair feeders all adopt Surface coating have 2 purity of inner insulating layer be 99.97% anaerobic fine copper line along S to stranded become, 4 pairs of twisted-pair feeders are separately positioned in 4 cavitys that inner frame is separated out, the Surface coating aluminium-plastic tape of twisted-pair feeder is formed interior screen layer by each cavity, described tension nylon rope coated 4 is to twisted-pair feeder and inner frame, the zinc-plated copper wire braid of Surface coating at tension nylon rope forms external shielding layer, Surface coating low-smoke halide-free fireproof composite polyolefine material at external shielding layer forms the oversheath of data line, wherein, described inner insulating layer is adopted FEP material to be extruded by Fluoroplastic extruder and is coated on anaerobic fine copper line, and described low-smoke halide-free fireproof composite polyolefine material is made up of the component of following weight part: ethylene-vinyl acetate copolymer 75 parts, high density polyethylene(HDPE) 25 parts, maleic anhydride 12 parts, terpolymer EP rubber 8 parts, polysiloxane 10 parts, mixed gas carbon black 22 parts, magnesium hydroxide 50 parts, microencapsulated powder oil 10 parts, antioxidant 1010 2 parts and water are appropriate.
The production technique preparing the high shadow data line of above-mentioned high speed specifically comprises the steps:
(1) adopting drawing wire machine to draw anaerobic fine copper line as the conductor of data line, be 20-25% by the elongation control of copper cash during drawing, the copper cash drawn carries out thermal pretreatment by being directly delivered in conductor pre-heating device after copper wire diameter on-line computing model;
(2) the FEP material that specific inductivity is 2.15-2.25 is joined in the machine cylinder of Fluoroplastic extruder and carry out plastifying fusion, and by the screw rod in machine cylinder, FEP melt is squeezed in extrusion die, adopt the copper core after active pay-off device pull-out preheating through the extrusion die of Fluoroplastic extruder, after extrusion die copper core by FEP expect coated after become insulation core wire, the small-sized vitta forcing machine that insulation core wire is moulded on cross-head through being arranged on fluorine carries out marking after look and to control to adopt static capacity detector in water that insulation core wire is carried out on-line monitoring water capacitance after the movable warm water cooling tank of 40-60 DEG C and cold water cooling revolution case cool through temperature successively, insulation core wire adopts outer insulation diameter monitor and monitoring of eccentricity instrument that dried insulation core wire is carried out the feedback control of outer insulation diameter again after blowing moisture eliminator drying,
(3) insulation core wire adopting active back-twist paying out machine step 2 to be made carries out back twist unwrapping wire, and back twist rate is 40-45%;
(4) insulation core wire of back twist unwrapping wire being carried out S to strand to forming 4 to twisted-pair feeder by pairing device, in strand to, in process, twisting pitch controls at 15-20mm, the speed of twisted wire is 50-60m/min;
(5) by obtained for step 44, twisted-pair feeder is carried out respectively the twisted-pair feeder of coated formation with interior screen layer of aluminium-plastic tape;
(6) become cable machine, by be coated with interior screen layer 4, twisted-pair feeder and inner frame are carried out twisted synthesizing cable by two torsion formula, and laying up pitch is controlled at 130-150mm, become cable speed to be set to 40-50m/min;
(7) being stretched and anti-bending effect to increase the tension of heart yearn by the outside coated tension nylon rope becoming conductor wire, then outside coated zinc-plated copper wire braid at tension nylon rope is formed with the one-tenth conductor wire of external shielding layer;
(8) previously prepared good low-smoke halide-free fireproof composite polyolefine material is joined after drying in the machine cylinder of twin screw extruder and carry out plastifying fusion, and by the screw rod in machine cylinder, melt is squeezed in extrusion die, adopt the actinobacillus device of initiatively unwrapping wire and Tension Adjustable to draw with the one-tenth conductor wire of external shielding layer and by the extrusion die of twin screw extruder, be there is by the coated formation of low-smoke halide-free fireproof composite polyolefine material the high shadow data line of high speed of low-smoke non-halogen flame-retardant oversheath after extrusion die, this data line is passed through blower fan more successively after movable temperature control cooling water groove and fixing cold water cooling revolution case cool dry, adopt eccentricity detecting instrument that dried data line is carried out on-line checkingi,
(9) qualified after testing data line carries out cross winding lopping packaging through storage line tension frame, take-up meter counter and cross network twin shaft lopping machine successively.
As a modification of the present invention, in order to ensure the constant of outer insulation diameter, described outer insulation diameter monitor adopts X-Y two-axis laser caliper, by X-Y two-axis laser caliper rotation sweep insulation core wire circumference each point diameter, after controller data processing, feedback control insulation core wire extrudes external diameter.
As a modification of the present invention, described twin screw extruder adopts centering extruder head, the mould installed on head adopts half to squeeze tubular type, can ensure in extrusion like this, the geometric position becoming conductor wire structure to keep it in whole data lines is constant, thus effectively improve into the concentricity of conductor wire and oversheath, it is ensured that data line entirety possesses good anti-interference performance.
Relative to prior art, the advantage of the present invention is as follows, data line proposed by the invention rational in infrastructure compact, volume is little, production cost is low, due to the use of inner frame and tension nylon rope in data cable structure, data cable can be made to have better machinery tension and resistance to bending energy and good installation capability, heart yearn use aluminium-plastic tape as interior screen layer and use zinc-plated copper wire braid as external shielding layer, greatly strengthen data line to the shield effectiveness of frequency electromagnetic waves, double-layer shielding structure can guarantee that data line has same transmission performance indicators with non-masked data cable, and performance index have surmounted IEC and the data transmission cable relevant criterion of country completely, reach at a high speed, high-fidelity, leakage-preventing effect,Outermost oversheath adopts the polyolefin jacket material of specific low-smoke non-halogen flame-retardant formula to ensure that data line has preferably oxygen index parameter, and the flame retardant properties enhancing oversheath is simultaneously also to reflection and the sorption increase of frequency electromagnetic waves; The data line made by production technique proposed by the invention is made full use of the low price matter loss characteristic of FEP material (Teflon) and is not fired characteristic, by the improvement to traditional data line production technique, it is made to do, with FEP, the good insulation characteristic that the data cable that insulating material makes has halogen-free low-smoke high-flame than coventional type data line, make this data line have the electric transmission performance more excellent than normal data line and higher fire retardancy simultaneously, during burning, smokescope is low, non-corrosiveness gas produces, and environmental protection characteristic is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure: 1-anaerobic fine copper line, 2-twisted-pair feeder, 3-inner frame, 4-inner insulating layer, screen layer in 5-, 6-tension nylon rope, 7-external shielding layer, 8-oversheath.
Embodiment
In order to deepen the understanding of the present invention and understanding, below in conjunction with accompanying drawing, the invention will be further described and introduces.
As shown in Figure 1, a kind of high shadow data line of high speed, comprise 4 pairs of twisted-pair feeders 2, inner frame 3, tension nylon rope 6 and oversheath 8, the 4 pairs of twisted-pair feeders 2 all adopt Surface coating have 2 purity of inner insulating layer 4 be 99.97% anaerobic fine copper line 1 along S to stranded become, 4 pairs of twisted-pair feeders 2 are separately positioned in 4 cavitys that inner frame 3 is separated out, the Surface coating aluminium-plastic tape of twisted-pair feeder 2 is formed interior screen layer 5 by each cavity, described tension nylon rope 6 coated 4 is to twisted-pair feeder 2 and inner frame 3, the zinc-plated copper wire braid of Surface coating at tension nylon rope 6 forms external shielding layer 7, Surface coating low-smoke halide-free fireproof composite polyolefine material at external shielding layer 7 forms the oversheath 8 of data line, wherein, described inner insulating layer 4 is adopted FEP material to be extruded by Fluoroplastic extruder and is coated on anaerobic fine copper line 1, and described low-smoke halide-free fireproof composite polyolefine material is made up of the component of following weight part: ethylene-vinyl acetate copolymer 75 parts, high density polyethylene(HDPE) 25 parts, maleic anhydride 12 parts, terpolymer EP rubber 8 parts, polysiloxane 10 parts, mixed gas carbon black 22 parts, magnesium hydroxide 50 parts, microencapsulated powder oil 10 parts, antioxidant 1010 2 parts and water are appropriate.
The production technique preparing the high shadow data line of above-mentioned high speed specifically comprises the steps:
(1) adopting drawing wire machine to draw anaerobic fine copper line 1 as the conductor of data line, be 20-25% by the elongation control of copper cash during drawing, the copper cash drawn carries out thermal pretreatment by being directly delivered in conductor pre-heating device after copper wire diameter on-line computing model;
(2) the FEP material that specific inductivity is 2.15-2.25 is joined in the machine cylinder of Fluoroplastic extruder and carry out plastifying fusion, and by the screw rod in machine cylinder, FEP melt is squeezed in extrusion die, adopt the copper core after active pay-off device pull-out preheating through the extrusion die of Fluoroplastic extruder, after extrusion die copper core by FEP expect coated after become insulation core wire, the small-sized vitta forcing machine that insulation core wire is moulded on cross-head through being arranged on fluorine carries out marking after look and to control to adopt static capacity detector in water that insulation core wire is carried out on-line monitoring water capacitance after the movable warm water cooling tank of 40-60 DEG C and cold water cooling revolution case cool through temperature successively, insulation core wire adopts outer insulation diameter monitor and monitoring of eccentricity instrument that dried insulation core wire is carried out the feedback control of outer insulation diameter again after blowing moisture eliminator drying,
(3) insulation core wire adopting active back-twist paying out machine step 2 to be made carries out back twist unwrapping wire, and back twist rate is 40-45%;
(4) insulation core wire of back twist unwrapping wire being carried out S to strand to forming 4 to twisted-pair feeder 2 by pairing device, in strand to, in process, twisting pitch controls at 15-20mm, the speed of twisted wire is 50-60m/min;
(5) by obtained for step 44, twisted-pair feeder 2 is carried out respectively the twisted-pair feeder 2 of coated formation with interior screen layer 5 of aluminium-plastic tape;
(6) become cable machine, by be coated with interior screen layer 54, twisted-pair feeder 2 and inner frame 3 are carried out twisted synthesizing cable by two torsion formula, and laying up pitch is controlled at 130-150mm, become cable speed to be set to 40-50m/min;
(7) being stretched and anti-bending effect to increase the tension of heart yearn by the outside coated tension nylon rope 6 becoming conductor wire, then outside coated zinc-plated copper wire braid at tension nylon rope 6 is formed with the one-tenth conductor wire of external shielding layer 7;
(8) previously prepared good low-smoke halide-free fireproof composite polyolefine material is joined after drying in the machine cylinder of twin screw extruder and carry out plastifying fusion, and by the screw rod in machine cylinder, melt is squeezed in extrusion die, adopt the actinobacillus device of initiatively unwrapping wire and Tension Adjustable to draw with the one-tenth conductor wire of external shielding layer 7 and by the extrusion die of twin screw extruder, be there is by the coated formation of low-smoke halide-free fireproof composite polyolefine material the high shadow data line of high speed of low-smoke non-halogen flame-retardant oversheath 8 after extrusion die, this data line is passed through blower fan more successively after movable temperature control cooling water groove and fixing cold water cooling revolution case cool dry, adopt eccentricity detecting instrument that dried data line is carried out on-line checkingi,
(9) qualified after testing data line carries out cross winding lopping packaging through storage line tension frame, take-up meter counter and cross network twin shaft lopping machine successively.
Wherein, in order to ensure the constant of outer insulation diameter, described outer insulation diameter monitor adopts X-Y two-axis laser caliper, and by X-Y two-axis laser caliper rotation sweep insulation core wire circumference each point diameter, after controller data processing, feedback control insulation core wire extrudes external diameter. Described twin screw extruder adopts centering extruder head, the mould installed on head adopts half to squeeze tubular type, can ensure in extrusion like this, the geometric position becoming conductor wire structure to keep it in whole data lines is constant, thus effectively improve into conductor wire and the concentricity of oversheath 8, it is ensured that data line entirety possesses good anti-interference performance.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or replacement all fall into the scope that the claims in the present invention are protected. In the claims, the element or step that exist and do not arrange in the claims do not got rid of in word " comprising ".
Claims (4)
1. the high shadow data line of high speed, it is characterized in that: comprise 4 pairs of twisted-pair feeders, inner frame, tension nylon rope and oversheath, the 4 pairs of twisted-pair feeders all adopt Surface coating have 2 purity of inner insulating layer be 99.97% anaerobic fine copper line along S to stranded become, 4 pairs of twisted-pair feeders are separately positioned in 4 cavitys that inner frame is separated out, the Surface coating aluminium-plastic tape of twisted-pair feeder is formed interior screen layer by each cavity, described tension nylon rope coated 4 is to twisted-pair feeder and inner frame, the zinc-plated copper wire braid of Surface coating at tension nylon rope forms external shielding layer, Surface coating low-smoke halide-free fireproof composite polyolefine material at external shielding layer forms the oversheath of data line,Wherein, described inner insulating layer is adopted FEP material to be extruded by Fluoroplastic extruder and is coated on anaerobic fine copper line, and described low-smoke halide-free fireproof composite polyolefine material is made up of the component of following weight part: ethylene-vinyl acetate copolymer 75 parts, high density polyethylene(HDPE) 25 parts, maleic anhydride 12 parts, terpolymer EP rubber 8 parts, polysiloxane 10 parts, mixed gas carbon black 22 parts, magnesium hydroxide 50 parts, microencapsulated powder oil 10 parts, antioxidant 1010 2 parts and water are appropriate.
2. a kind of high shadow data line of high speed as claimed in claim 1, it is characterised in that, the production technique preparing the high shadow data line of described high speed comprises the steps:
(1) adopting drawing wire machine to draw anaerobic fine copper line as the conductor of data line, be 20-25% by the elongation control of copper cash during drawing, the copper cash drawn carries out thermal pretreatment by being directly delivered in conductor pre-heating device after copper wire diameter on-line computing model;
(2) the FEP material that specific inductivity is 2.15-2.25 is joined in the machine cylinder of Fluoroplastic extruder and carry out plastifying fusion, and by the screw rod in machine cylinder, FEP melt is squeezed in extrusion die, adopt the copper core after active pay-off device pull-out preheating through the extrusion die of Fluoroplastic extruder, after extrusion die copper core by FEP expect coated after become insulation core wire, the small-sized vitta forcing machine that insulation core wire is moulded on cross-head through being arranged on fluorine carries out marking after look and to control to adopt static capacity detector in water that insulation core wire is carried out on-line monitoring water capacitance after the movable warm water cooling tank of 40-60 DEG C and cold water cooling revolution case cool through temperature successively, insulation core wire adopts outer insulation diameter monitor and monitoring of eccentricity instrument that dried insulation core wire is carried out the feedback control of outer insulation diameter again after blowing moisture eliminator drying,
(3) insulation core wire adopting active back-twist paying out machine step 2 to be made carries out back twist unwrapping wire, and back twist rate is 40-45%;
(4) insulation core wire of back twist unwrapping wire being carried out S to strand to forming 4 to twisted-pair feeder by pairing device, in strand to, in process, twisting pitch controls at 15-20mm, the speed of twisted wire is 50-60m/min;
(5) by obtained for step 44, twisted-pair feeder is carried out respectively the twisted-pair feeder of coated formation with interior screen layer of aluminium-plastic tape;
(6) become cable machine, by be coated with interior screen layer 4, twisted-pair feeder and inner frame are carried out twisted synthesizing cable by two torsion formula;
(7) becoming an outside coated tension nylon rope of conductor wire, then outside coated zinc-plated copper wire braid at tension nylon rope is formed with the one-tenth conductor wire of external shielding layer;
(8) previously prepared good low-smoke halide-free fireproof composite polyolefine material is joined after drying in the machine cylinder of twin screw extruder and carry out plastifying fusion, and by the screw rod in machine cylinder, melt is squeezed in extrusion die, adopt the actinobacillus device of initiatively unwrapping wire and Tension Adjustable to draw with the one-tenth conductor wire of external shielding layer and by the extrusion die of twin screw extruder, be there is by the coated formation of low-smoke halide-free fireproof composite polyolefine material the high shadow data line of high speed of low-smoke non-halogen flame-retardant oversheath after extrusion die, this data line is passed through blower fan more successively after movable temperature control cooling water groove and fixing cold water cooling revolution case cool dry, adopt eccentricity detecting instrument that dried data line is carried out on-line checkingi,
(9) qualified after testing data line carries out cross winding lopping packaging through storage line tension frame, take-up meter counter and cross network twin shaft lopping machine successively.
3. the production technique of the high shadow data line of a kind of high speed as claimed in claim 2, it is characterised in that, described outer insulation diameter monitor adopts X-Y two-axis laser caliper.
4. the production technique of the high shadow data line of a kind of high speed as claimed in claim 3, it is characterised in that, described twin screw extruder adopts centering extruder head, and the mould that head is installed adopts half to squeeze tubular type.
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| CN106251949A (en) * | 2016-08-29 | 2016-12-21 | 江苏鹏申高温线缆有限公司 | A kind of nylon cable and processing technique thereof |
| CN106448914A (en) * | 2016-12-15 | 2017-02-22 | 江苏戴普科技有限公司 | Rail transit flame-retardant four-pair shielded twisted-pair |
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| CN109065242A (en) * | 2018-08-02 | 2018-12-21 | 安徽扬子线缆有限公司 | A kind of underwater transmission cable and its preparation process |
| CN109994271A (en) * | 2019-03-20 | 2019-07-09 | 嘉兴奥亿普数据电缆有限公司 | A kind of data line that fire resisting blocks water |
| CN110415895A (en) * | 2019-08-16 | 2019-11-05 | 仙桃科利科技发展有限公司 | A kind of manufacture craft of the anti-aging data line of high transmission rates |
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Effective date of registration: 20231228 Address after: West End, 2nd Floor, Building 2, No. 11 Hengjiang Road, Daxie Development Zone, Ningbo City, Zhejiang Province, 315812 Patentee after: Ningbo Shengpu electronics Co.,Ltd. Address before: 239300, No. 99 North Jingsan Road, Tianchang Economic Development Zone, Chuzhou City, Anhui Province Patentee before: TIANCHANG FUXIN ELECTRONIC Co.,Ltd. |