CN107359004A - A kind of automobile-used wire of fire-retardant heatproof Anti-pull-press and its preparation technology - Google Patents
A kind of automobile-used wire of fire-retardant heatproof Anti-pull-press and its preparation technology Download PDFInfo
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- CN107359004A CN107359004A CN201710251680.8A CN201710251680A CN107359004A CN 107359004 A CN107359004 A CN 107359004A CN 201710251680 A CN201710251680 A CN 201710251680A CN 107359004 A CN107359004 A CN 107359004A
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Classifications
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- 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
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- 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
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
-
- 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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
-
- 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
Abstract
The present invention provides a kind of fire-retardant automobile-used wire of heatproof Anti-pull-press, including inside conductor, anti-elater, outer conductor, lapping layer, wire sheathing, the outer layer protection insulation sleeve arranged successively from inside to outside；The inside conductor and outer conductor include conductor cores and insulating barrier, and the insulating barrier is prepared by flame retardant rubber；The anti-elater is made up of some aramid fibers；The lapping layer is wrapped using fire-resistant isinglass belt and aluminium foil；The wire sheathing is to use quantity ratio as 1:The network structure being woven into after 1 tinned copper wire and steel wire stranding；The outer layer protection insulation sleeve is prepared using improvement polytetrafluoroethylene (PTFE)；Made by wire producing, wire harness, wire sheathing makes, outer layer protection insulation sleeve is prepared.The product of the present invention has the performances such as compact-sized, saving space, fire-retardant, heatproof, Anti-pull-press, can fully meet the demand of vehicle behavior environment.
Description
Technical field
The present invention relates to new material manufacturing technology field, and in particular to a kind of automobile-used wire of fire-retardant heatproof Anti-pull-press and its system
Standby technique.
Background technology
With the increase of automobile function, electron controls technology it is commonly used, electricity piece is more and more, and electric wire also can be more next
More, the circuit quantity on automobile dramatically increases with electricity, and electric wire for automobile, wire harness also become more and more, more and more big and heavy.Vapour
Car body interior contains all multi-parts, and each component function is different, forms a multifarious subenvironment, and the motion of automobile,
Influence of the environment such as outside air temperature, humidity to automotive interior environment, electric wire for automobiles, wire harness is caused to damage, breakage is more next
It is more, leak electricity spontaneous combustion phenomena such as also happen occasionally, this is all the big problem for needing to solve at present.At present, substantial amounts of car how is made
With electric wire in limited motor space effective and reasonable arrangement, electric wire for automobiles, wire harness is played bigger function；How electricity is made
Line on body construction and function on can fully meet or it is overproof meet the needs of vehicle behavior environment, have become automobile
The new technical problem that manufacturing field faces.
The content of the invention
It is an object of the invention to provide a kind of automobile-used wire of fire-retardant heatproof Anti-pull-press and its preparation technology, using improving tradition
Automobile-used wire（Beam）Structure, and improve the preparation technology of wire insulator, conductor etc., product have it is compact-sized, save it is empty
Between, the performance such as fire-retardant, heatproof, Anti-pull-press, the demand of vehicle behavior environment can be fully met.
To achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of fire-retardant automobile-used wire of heatproof Anti-pull-press, including arrange successively from inside to outside inside conductor, anti-elater, outer conductor, around
Covering, wire sheathing, outer layer protection insulation sleeve；The inside conductor and outer conductor include conductor cores and insulating barrier, described exhausted
Edge layer is prepared by flame retardant rubber；The anti-elater is made up of some aramid fibers；The lapping layer uses fire-resistant isinglass belt and aluminium
Paper tinsel is wrapped；The wire sheathing is to use quantity ratio as 1:The network structure being woven into after 1 tinned copper wire and steel wire stranding；
The outer layer protection insulation sleeve is using improvement polytetrafluoroethylene (PTFE)（PTFE）Prepare.
According to above scheme, the flame retardant rubber is process by following component and its mass fraction：Silicon rubber 60-75
Part, butyl rubber 10-15 parts, polystyrene 10-15 parts, fluorubber 8-12 parts, carbon black 4-8 parts, reinforcing agent 4-6 parts, calcium carbonate
2-7 parts, clay, antiaging agent, fragrant shin oil, antiscorching agent, neck dibatyl phithalate, aminoquinoxaline, diethyl-dithio ammonia
Each 2-5 parts of base zinc formate, mercapto imidazoline, plasticizer, fire retardant.The material has good anti-flaming function, so that system
Standby insulating barrier has good fire resistance.
According to above scheme, the improvement polytetrafluoroethylene (PTFE) is process by following component and its mass fraction：Hydroxide
Magnesium 5-8 parts, zinc oxide 5-8 parts, acrylic resin 8-12 parts, aqueous epoxy resins 5-8 parts, ptfe emulsion 80-85 parts.
The material has good anti-flaming function, so that the insulating barrier prepared has good fire resistance.
According to above scheme, the conductor cores are formed using the silver-plated filament plying of some red metal, the silver-plated filament of red metal
A diameter of 0.4-0.5mm, silver plating thicknesses 0.08mm, make the transmission speed of inside conductor and outer conductor quickly.
According to above scheme, a diameter of 0.5-1.5mm of the aramid fiber, the inside conductor periphery is uniformly wrapped in.
According to above scheme, the lapping layer is wrapped using wide 15mm, thick 0.03mm fire-resistant isinglass belt and aluminium foil, with full
Sufficient signal shielding anti-interference function.
According to above scheme, the brass wire diameter of the tinned copper wire is 0.55-0.65mm, tin plating thickness is 0.08mm, institute
It is 0.55-0.65mm to state steel wire diameter, will be around wrapping by weaving webbed wire sheathing after tinned copper wire and steel wire stranding
Wire harness（Including inside conductor, anti-elater, outer conductor, lapping layer）Lace in net, have Anti-pull-press, signal shielding it is anti-interference,
The functions such as diamagneticization.
A kind of preparation technology of the fire-retardant automobile-used wire of heatproof Anti-pull-press, comprises the following steps：
1）The making of wire：
The various raw materials of fire-retardant rubber material are weighed by proportioning, are stirred, and add the acetone of raw material gross mass 1% as dilute
Releasing agent makes its softening, is then rolled into the soft rubber mixture of pie or strip repeatedly with rolling stone roller equipment；
Soft rubber mixture is put into extruder, and adds raw material gross mass 0.5%-1.5% curing agent, is then extruded into
Type, and the conductor core insulation that will be formed by the silver-plated filament plying of some red metal, then solidify through oven cooking cycle, pass through leakage testses
Afterwards, inside conductor and outer conductor are fabricated to；
2）The making of wire harness：
It is wrapped with fire-resistant isinglass belt and aluminium foil after from inside to outside successively arranging inside conductor, anti-elater, outer conductor, it is fabricated to
Wire harness；
3）The making of wire sheathing：
With weaving webbed wire sheathing after silver-gilt copper wire and steel wire stranding, by around the wire harness lace wrapped in net；
4）The making of outer layer protection insulation sleeve：
The various raw materials of improvement polytetrafluoroethylene (PTFE) are weighed by proportioning, heating stirring is uniform after mixing, is then placed in vacuum tank and inhales
The air gone in teflon mixture body（It is set to soften in object without impurity such as gases）, then grind equipment with rolling and roll repeatedly
Into the software teflon mixture of pie or strip；
Software teflon mixture is put into extruder, and adds raw material gross mass 0.5%-1.5% curing agent,
Extrusion molding at a temperature of 110-140 DEG C, wire sheathing is coated comprehensively, then by the closed baking boxs of 10-20m, by not
After phase temperature baking-curing（Baking oven is generally divided into four sections, each section of temperature depending on the size of cable, first paragraph and
4th section of temperature control is at 200-300 DEG C, and second segment and the 3rd section of temperature control are at 300-420 DEG C）, cold rinse bank cooling, pass through
After leakage testses, the making of the outer layer protection insulation sleeve of wire is completed, that is, obtains finished product.
The beneficial effects of the invention are as follows：
1）The inside conductor and outer conductor conductor cores of the present invention is using the silver-plated filament plied construction of some red metal, built-in by aramid fiber
The anti-elater of composition simultaneously reticulates wire sheathing using tinned copper wire and braided steel wire, and Anti-pull-press performance greatly increases；
2）The wire of the present invention uses tinned copper wire and steel wire using the silver-plated structure of red metal, aluminium foil lapping structure and metal net
Web frame is woven into after multiple proportions stranding, wire can be made to meet fast conduction of velocity, signal shielding, diamagneticization, jamproof function；
3）The inside and outside wire insulation of the present invention is using freshly prepd fire-retardant rubber material, fire-resistant isinglass belt lapping structure and outer
Layer protection insulation sleeve improvement PTFE material, especially fire-retardant rubber material and improvement PTFE material can delay to catch fire, reduce
Flame propagation velocity, and after external flame is left, own combustion flame self-extinguish, product has fire-retardant heat resistance；
4）Wiring harness structure arrangement of the invention is extremely compact, can save space, and the fire-retardant heatproof Anti-pull-press performance that product has is complete
The full demand that disclosure satisfy that vehicle behavior environment, on-vehicle information sensing, electrical energy transportation are can be widely used for, particularly suitable for starting
Electric wire bundle 146 application outside machine, at fuel tank and active type part.
Brief description of the drawings
Fig. 1 is the cross-sectional structure schematic diagram of product of the present invention.
In figure：1st, inside conductor；2nd, anti-elater；3rd, outer conductor；4th, lapping layer；5th, wire sheathing；6th, outer layer protection insulate
Set.
Embodiment
Technical scheme is illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment 1, is shown in Fig. 1：
The present invention provides a kind of fire-retardant automobile-used wire of heatproof Anti-pull-press, including inside conductor 1, the anti-elater arranged successively from inside to outside
2nd, outer conductor 3, lapping layer 4, wire sheathing 5, outer layer protection insulation sleeve 6；The inside conductor 1 and outer conductor 3 include conductor
Core and insulating barrier, the insulating barrier are prepared by flame retardant rubber；The anti-elater 2 is made up of some aramid fibers；The lapping layer 4
It is wrapped using fire-resistant isinglass belt and aluminium foil；The wire sheathing 5 is to use quantity ratio as 1:1 tinned copper wire and steel wire stranding
The network structure being woven into afterwards；The outer layer protection insulation sleeve 6 is using improvement polytetrafluoroethylene (PTFE)（PTFE）Prepare（See Fig. 1）.
Further, the flame retardant rubber is process by following component and its mass fraction：70 parts of silicon rubber, butyl rubber
13 parts of glue, 12 parts of polystyrene, 9 parts of fluorubber, 6 parts of carbon black, 5 parts of reinforcing agent, 5 parts of calcium carbonate, clay, antiaging agent, fragrant shin
Oil, antiscorching agent, neck dibatyl phithalate, aminoquinoxaline, zinc diethyl dithiocarbamate, mercapto imidazoline, increasing
Mould agent, each 3 parts of fire retardant.
Further, the improvement polytetrafluoroethylene (PTFE) is process by following component and its mass fraction：Magnesium hydroxide 6
Part, 7 parts of zinc oxide, 10 parts of acrylic resin, 6 parts of aqueous epoxy resins, 82 parts of ptfe emulsion.
Further, the conductor cores are formed using the silver-plated filament plying of 6 red metal, the diameter of the silver-plated filament of red metal
For 0.4mm, silver plating thicknesses 0.08mm；A diameter of 1.0mm of the aramid fiber；The lapping layer 4 is using wide 15mm, thickness
0.03mm fire-resistant isinglass belt and aluminium foil is wrapped；The brass wire diameter of the tinned copper wire is 0.6mm, tin plating thickness is 0.08mm,
The steel wire diameter is 0.6mm.
The present invention also provides a kind of preparation technology of the fire-retardant automobile-used wire of heatproof Anti-pull-press, comprises the following steps：
1）The making of wire：
The various raw materials of fire-retardant rubber material are weighed by proportioning, are stirred, and add the acetone of raw material gross mass 1% as dilute
Releasing agent makes its softening, is then rolled into the soft rubber mixture of pie or strip repeatedly with rolling stone roller equipment；
Soft rubber mixture is put into extruder, and adds the curing agent of raw material gross mass 1%, then extrusion molding, and will
The conductor core insulation formed by the silver-plated filament plying of 6 red metal, then solidify through oven cooking cycle, after leakage testses, it is fabricated to
Inside conductor and outer conductor；
2）The making of wire harness：
It is wrapped with fire-resistant isinglass belt and aluminium foil after from inside to outside successively arranging inside conductor, anti-elater, outer conductor, it is fabricated to
Wire harness；
3）The making of wire sheathing：
With weaving webbed wire sheathing after silver-gilt copper wire and steel wire stranding, by around the wire harness lace wrapped in net；
4）The making of outer layer protection insulation sleeve：
The various raw materials of improvement polytetrafluoroethylene (PTFE) are weighed by proportioning, heating stirring is uniform after mixing, is then placed in vacuum tank and inhales
The air gone in teflon mixture body, then the software polytetrafluoroethylene (PTFE) for being ground equipment with rolling and being rolled into pie or strip repeatedly
Mixture；
Software teflon mixture is put into extruder, and adds the curing agent of raw material gross mass 1%, in 120 DEG C of temperature
Lower extrusion molding, wire sheathing is coated comprehensively, then by the closed baking boxs of 16m, be divided into 4 sections, per segment length 4m, first paragraph
It it is 200-300 DEG C with the 4th section of temperature, second segment and the 3rd section of temperature are 300-420 DEG C, are toasted by different phase temperature solid
After change, cold rinse bank cooling, after leakage testses, the making of the outer layer protection insulation sleeve of wire is completed, that is, obtains finished product.
The inside conductor and outer conductor of a 2m length are respectively taken, and connects voltage x current test table at one end, is then placed in tubular type
Electrothermal furnace is progressively heated to 850-900 DEG C, during this period by its wiring harness more than two hours；Respectively in 150-200 DEG C, 400-
At 500 DEG C, 850-900 DEG C, voltage load condition is observed, when generation resistance is excessive short-circuit during heating, then observes wire combustion
The change of burning process, sample wire are substantially slower than conventional plastic India-rubber wire in 400-500 DEG C of burning, its combustion process；Examination
After testing end, although insulating barrier charing after its burning becomes fragile, under the influence of no external force, remain in that cladding form and not
It is scattered.Flame retardant rubber prepared by this explanation present invention has good anti-flammability.
In addition, 3 pieces of the test board of 1.5-2.5mm thickness is made in flame retardant rubber prepared by the present invention, its limit tested
Oxygen index (OI) is respectively：37.8%th, 37.9%, 38.1%, and the oxygen index (OI) of the fire-retardant rubber material of better performances is >=35%, according to reality
Oxygen index (OI) analysis is tested, flame retardant rubber insulator prepared by the present invention is better than traditional rubber insulator fire resistance.
Therefore the inside and outside wire insulation of the present invention（Novel flame-retardant elastomeric material）With good insulating body flame retardant effect.
Improvement polytetrafluoroethylene (PTFE) prepared by the present invention is made to 3 pieces of the test board of 1.5-2.5mm thickness, its limit tested
Oxygen index (OI) is respectively：97.7%th, 97.7%, 97.5%, and PTFE and PFA, FEP are all noninflammability polymer, limited oxygen index >=
95%, and after improvement PTFE Combination insulating outer layer protective cases prepared by the present invention add the materials such as fire retardant, magnesium hydroxide,
Limited oxygen index is more than 97.5%, therefore, according to experiment oxygen index (OI) analysis, improvement PTFE Combination insulation prepared by the present invention is outer
Layer protective case is better than traditional PTFE material fire resistance, and PTFE Combination insulating outer layers protective case also has corrosion resistant work(
Energy.
The fire-retardant rubber material of the present invention and the PTFE material common feature of improvement are：It can delay to catch fire, reduce fire
Flame propagation velocity, and after external flame is left, own combustion flame self-extinguish.
Embodiment 2：
The present invention provides a kind of automobile-used wire of fire-retardant heatproof Anti-pull-press and preparation technology, and substantially with embodiment 1, difference exists
In：
The flame retardant rubber is process by following component and its mass fraction：60 parts of silicon rubber, 15 parts of butyl rubber, polyphenyl second
15 parts of alkene, 8 parts of fluorubber, 8 parts of carbon black, 4 parts of reinforcing agent, 2 parts of calcium carbonate, clay, antiaging agent, fragrant shin oil, antiscorching agent, neck benzene
Dibutyl carboxylic acid, aminoquinoxaline, zinc diethyl dithiocarbamate, mercapto imidazoline, plasticizer, fire retardant each 5
Part.
Further, the improvement polytetrafluoroethylene (PTFE) is process by following component and its mass fraction：Magnesium hydroxide 8
Part, 5 parts of zinc oxide, 12 parts of acrylic resin, 5 parts of aqueous epoxy resins, 80 parts of ptfe emulsion.
Embodiment 3：
The present invention provides a kind of automobile-used wire of fire-retardant heatproof Anti-pull-press and preparation technology, and substantially with embodiment 1, difference exists
In：
The flame retardant rubber is process by following component and its mass fraction：75 parts of silicon rubber, 10 parts of butyl rubber, polyphenyl second
10 parts of alkene, 12 parts of fluorubber, 4 parts of carbon black, 6 parts of reinforcing agent, 7 parts of calcium carbonate, clay, antiaging agent, fragrant shin oil, antiscorching agent, neck
Dibatyl phithalate, aminoquinoxaline, zinc diethyl dithiocarbamate, mercapto imidazoline, plasticizer, fire retardant are each
2 parts.
Further, the improvement polytetrafluoroethylene (PTFE) is process by following component and its mass fraction：Magnesium hydroxide 5
Part, 8 parts of zinc oxide, 8 parts of acrylic resin, 8 parts of aqueous epoxy resins, 85 parts of ptfe emulsion.
Above example is only to illustrative and not limiting technical scheme, although above-described embodiment enters to the present invention
Detailed description is gone, the person skilled of this area should be understood：The present invention can be modified or replaced on an equal basis, but
Any modification and local replacement for not departing from spirit and scope of the invention all should be covered in scope of the presently claimed invention.
Claims (8)
1. a kind of fire-retardant automobile-used wire of heatproof Anti-pull-press, it is characterised in that including the inside conductor, shellproof arranged successively from inside to outside
Silk, outer conductor, lapping layer, wire sheathing, outer layer protection insulation sleeve；The inside conductor and outer conductor are including conductor cores and absolutely
Edge layer, the insulating barrier are prepared by flame retardant rubber；The anti-elater is made up of some aramid fibers；The lapping layer uses fire resisting
Mica tape and aluminium foil are wrapped；The wire sheathing is to use quantity ratio as 1:It is woven into after 1 tinned copper wire and steel wire stranding
Network structure；The outer layer protection insulation sleeve is prepared using improvement polytetrafluoroethylene (PTFE).
2. the fire-retardant automobile-used wire of heatproof Anti-pull-press according to claim 1, it is characterised in that the flame retardant rubber is by as follows
Component and its mass fraction are process：Silicon rubber 60-75 parts, butyl rubber 10-15 parts, polystyrene 10-15 parts, fluorubber
8-12 parts, carbon black 4-8 parts, reinforcing agent 4-6 parts, calcium carbonate 2-7 parts, clay, antiaging agent, fragrant shin oil, antiscorching agent, neck benzene diformazan
Each 2-5 parts of dibutyl phthalate, aminoquinoxaline, zinc diethyl dithiocarbamate, mercapto imidazoline, plasticizer, fire retardant.
3. the fire-retardant automobile-used wire of heatproof Anti-pull-press according to claim 1, it is characterised in that the improvement polytetrafluoroethylene (PTFE)
It is process by following component and its mass fraction：Magnesium hydroxide 5-8 parts, zinc oxide 5-8 parts, acrylic resin 8-12 parts, water
Property epoxy resin 5-8 parts, ptfe emulsion 80-85 parts.
4. the fire-retardant automobile-used wire of heatproof Anti-pull-press according to claim 1, it is characterised in that the conductor cores are using some
The silver-plated filament plying of red metal forms, a diameter of 0.4-0.5mm, silver plating thicknesses 0.08mm of the silver-plated filament of red metal.
5. the fire-retardant automobile-used wire of heatproof Anti-pull-press according to claim 1, it is characterised in that the diameter of the aramid fiber
For 0.5-1.5mm, the inside conductor periphery is uniformly wrapped in.
6. the fire-retardant automobile-used wire of heatproof Anti-pull-press according to claim 1, it is characterised in that the lapping layer is using wide
15mm, thick 0.03mm fire-resistant isinglass belt and aluminium foil are wrapped.
7. the fire-retardant automobile-used wire of heatproof Anti-pull-press according to claim 1, it is characterised in that the copper wire of the tinned copper wire
A diameter of 0.55-0.65mm, tin plating thickness are 0.08mm, and the steel wire diameter is 0.55-0.65mm.
8. a kind of preparation technology of the fire-retardant automobile-used wire of heatproof Anti-pull-press, it is characterised in that comprise the following steps：
1）The making of wire：
The various raw materials of fire-retardant rubber material are weighed by proportioning, are stirred, and add the acetone of raw material gross mass 1% as dilute
Releasing agent makes its softening, is then rolled into the soft rubber mixture of pie or strip repeatedly with rolling stone roller equipment；
Soft rubber mixture is put into extruder, and adds raw material gross mass 0.5%-1.5% curing agent, is then extruded into
Type, and the conductor core insulation that will be formed by the silver-plated filament plying of some red metal, then solidify through oven cooking cycle, pass through leakage testses
Afterwards, inside conductor and outer conductor are fabricated to；
2）The making of wire harness：
It is wrapped with fire-resistant isinglass belt and aluminium foil after from inside to outside successively arranging inside conductor, anti-elater, outer conductor, it is fabricated to
Wire harness；
3）The making of wire sheathing：
With weaving webbed wire sheathing after silver-gilt copper wire and steel wire stranding, by around the wire harness lace wrapped in net；
4）The making of outer layer protection insulation sleeve：
The various raw materials of improvement polytetrafluoroethylene (PTFE) are weighed by proportioning, heating stirring is uniform after mixing, is then placed in vacuum tank and inhales
The air gone in teflon mixture body, then the software polytetrafluoroethylene (PTFE) for being ground equipment with rolling and being rolled into pie or strip repeatedly
Mixture；
Software teflon mixture is put into extruder, and adds raw material gross mass 0.5%-1.5% curing agent,
Extrusion molding at a temperature of 110-140 DEG C, wire sheathing is coated comprehensively, then by the closed baking boxs of 10-20m, by not
After phase temperature baking-curing, cold rinse bank cooling, after leakage testses, the system of the outer layer protection insulation sleeve of wire is completed
Make, that is, obtain finished product.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251680.8A CN107359004A (en) | 2017-04-18 | 2017-04-18 | A kind of automobile-used wire of fire-retardant heatproof Anti-pull-press and its preparation technology |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710251680.8A CN107359004A (en) | 2017-04-18 | 2017-04-18 | A kind of automobile-used wire of fire-retardant heatproof Anti-pull-press and its preparation technology |
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| CN107359004A true CN107359004A (en) | 2017-11-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109741885A (en) * | 2018-11-30 | 2019-05-10 | 扬州神龙绳业有限公司 | A kind of military ocean inductively real-time Transmission cable production method |
| CN110379550A (en) * | 2019-07-20 | 2019-10-25 | 上海广茂特种线缆有限公司 | A kind of weatherability radio-frequency cable and its preparation process |
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Application publication date: 20171117 |