CN109659084A - A kind of fluoroplastic high-temperature-resistant control cable and its production technology - Google Patents
A kind of fluoroplastic high-temperature-resistant control cable and its production technology Download PDFInfo
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- CN109659084A CN109659084A CN201811648903.5A CN201811648903A CN109659084A CN 109659084 A CN109659084 A CN 109659084A CN 201811648903 A CN201811648903 A CN 201811648903A CN 109659084 A CN109659084 A CN 109659084A
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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
- H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
- H01B7/428—Heat conduction
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- 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
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- 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
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
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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
- H01B7/22—Metal wires or tapes, e.g. made of steel
- H01B7/221—Longitudinally placed metal wires or tapes
- H01B7/225—Longitudinally placed metal wires or tapes forming part of an outer sheath
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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
- H01B7/29—Protection against damage caused by extremes of temperature or by flame
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention discloses a kind of fluoroplastic high-temperature-resistant control cable and its production technologies, including at least two cables core, the cable core is successively enclosed with insulating layer from inside to outside, braiding layer and jacket layer, the inside of the insulating layer is equipped with heat-conducting piece, the heat-conducting piece includes thermally conductive skeleton and heat-conducting connecting, the heat-conducting connecting is the thermally conductive through-hole of hexagon, welded connecting and being spaced apart two adjacent cables core between the thermally conductive skeleton and heat-conducting connecting, the cable core is by center finer wire layer and the copper conductor layer being stranded in outside the finer wire layer of center, the outer layer of the copper conductor layer is successively wrapped with glass layer from inside to outside, metal screen layer.It is simple to solve current fluoroplastic control cable structure, but high temperature resistance is not high, and production technology is complicated, production cost is higher, the problem of to burden is increased using unit.
Description
Technical field
The present invention relates to technical field of cable production, and in particular to a kind of fluoroplastic high-temperature-resistant control cable and its production work
Skill.
Background technique
Control cable is controlled suitable for industrial and mining enterprises, energy traffic department, for 450/750 volt of ac rated voltage or less
Polyvinyl chloride insulation that the occasions such as system, protection circuit use, pvc sheath control cable.Cable is controlled to prevent because it has
The features such as tide, anti-corrosion and antisitic defect, is widely used in tunnel or cable duct.Fluoroplastics are that part or all of hydrogen is taken by fluorine
The alkane hydrocarbon polymer in generation, they have polytetrafluoroethylene (PTFE) (PTFE), perfluor (ethylene, propylene) (FEP) copolymer, poly- perfluoroalkoxy
Base (PFA) resin, polytrifluorochloroethylene (PCTFE), one chlorotrifluoroethylene of ethylene (ECTFE), one tetrafluoroethene of ethylene
(ETFE) copolymer, Kynoar (PVDF) and polyvinyl fluoride (PVF).Have using the control cable of fluoroplastics manufacture excellent
Weatherability, heat resistance, coefficient of friction is smaller, stable chemical performance, has preferable electrical insulation capability, therefore obtains extensive benefit
With.Current fluoroplastic control cable structure is simple, but high temperature resistance is not high, and production technology is complicated, production cost compared with
Height increases burden to using unit, therefore urgently those skilled in the art solve the problems, such as this.
Summary of the invention
To solve the above problems, the invention discloses a kind of fluoroplastic high-temperature-resistant control cable and its production technology, mesh
Be that solve current fluoroplastic control cable structure simple, but high temperature resistance is not high, and production technology is complicated, production
Higher cost, the problem of to burden is increased using unit.
In order to reach the goals above, the invention provides the following technical scheme: a kind of fluoroplastic high-temperature-resistant controls cable, including
At least two cables core, the cable core are successively enclosed with insulating layer, braiding layer and jacket layer from inside to outside, the insulating layer
Inside is equipped with heat-conducting piece, and the heat-conducting piece includes thermally conductive skeleton and heat-conducting connecting, and the heat-conducting connecting is that hexagon is thermally conductive
Through-hole, welded connecting and being spaced apart two adjacent cables core, the electricity between the thermally conductive skeleton and heat-conducting connecting
Cable core is by center finer wire layer and the copper conductor layer being stranded in outside the finer wire layer of center, and the outer layer of the copper conductor layer is from inside to outside
Successively it is wrapped with glass layer, metal screen layer.
As an improvement of the present invention, the thermally conductive skeleton is silicone rubber material.
As an improvement of the present invention, the insulating layer is fluoroplastics material, and the braiding layer is ceramic fibre rope；Institute
Jacket layer is stated using fluoroplastics material.
As an improvement of the present invention, the metal screen layer is longitudinal wrap aluminium strip.
As an improvement of the present invention, the outer surface coating polyurethane coating and nylon paint of the center thin copper wire layer
Layer.
As an improvement of the present invention, a kind of production technology of fluoroplastic high-temperature-resistant control cable, comprising the following steps:
Step 1: the outer surface of center thin copper wire layer is coated by polyurethane coating and nylon paint layer using enamel-cover Wiring technology,
It stands for 24 hours, obtains finished product center thin copper wire layer；
Step 2: by blanketing fiberglass layer outside copper conductor layer, wherein the count of glass layer is 90% or more,
Metal screen layer is wrapped on glass layer afterwards, the count of the longitudinal wrap aluminium strip used obtains finished product copper for 85%
Conductor layer；
Step 4: the finished product copper conductor layer that third step obtains is stranded in the finished product center thin copper wire layer that the first step obtains,
Obtain cable core；
Step 5: after being squeezed out the thermally conductive through-hole of hexagon in heat-conducting piece using extruding machine, cooling 6~8h, then
The thermally conductive skeleton that material is silicon rubber is welded on the thermally conductive through-hole of hexagon, 1~5h is stood, obtains finished product heat-conducting piece；
Step 6: the cable core that the 4th step obtains is mounted on the heat-conducting piece that the 5th step obtains, semi-finished product control is obtained
Cable；
Step 7: the crowded insulating layer in outer surface of the semi-finished product control cable obtained using extruding machine in the 6th step, is then existed
After squeezing out insulating layer, cooling 2~3h, then braiding layer is wrapped on the insulating layer, it recycles extruding machine to squeeze jacket layer and is weaving
The outer surface of layer, cooling 4~6h obtain finished product control cable.
As an improvement of the present invention, the extrusion temperature of the insulating layer and jacket layer are as follows: feeding section: 160~180
DEG C, 200~210 DEG C of melt zone, 230~240 DEG C of homogenizing zone, 210~220 DEG C of machine neck, 195~200 DEG C of head, die orifice 180~
200℃。
As an improvement of the present invention, the insulating layer with a thickness of 1.6~1.8mm；The jacket layer with a thickness of
2.2~2.6mm.
The opposite and prior art closely joins between each component the present invention has the advantage that the design structure is simply clear
System does not influence each other again, and required part replacement is convenient, is easy to the maintenance of product in use in the future, passes through heat-conducting piece
Cable core is fixed on to the inside of insulating layer, is used cooperatively, guarantees in high temperature with the thermally conductive through-hole inside jacket layer and heat-conducting piece
In the state of inside cable core also quickly heat can be shed, longitudinal wrap aluminium strip have good mechanical protection effect, use
Fluoroplastics as insulating layer and jacket layer, have smaller excellent weatherability, heat resistance, coefficient of friction, stable chemical performance and
Has the advantages that preferable electrical insulation capability；It is good resistance to guarantee that cable has by the way of repeatedly cooling down for the production technology
High-temperature behavior, and simple production process, cost is relatively low, convenient for the popularization and use in market.
Detailed description of the invention
Fig. 1 is that a kind of fluoroplastic high-temperature-resistant of the present invention controls cable overall structure diagram；
Fig. 2 is the coating structure schematic diagram on the outside of copper conductor layer of the present invention；
Reference signs list: 1, cable core；101, center finer wire layer；102, copper conductor layer；2, insulating layer；3, it weaves
Layer；4, jacket layer；5, heat-conducting piece；501, thermally conductive skeleton；502, heat-conducting connecting；6, glass layer；7, metal screen layer；8,
Polyurethane coating；9, nylon paint layer.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom" "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have
Specific orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
Embodiment 1: referring to Fig. 1 and Fig. 2, now a kind of fluoroplastic high-temperature-resistant control cable provided by the invention is said
It is bright, including at least two cables core 1, the cable core 1 be successively enclosed with insulating layer 2, braiding layer 3 and jacket layer 4 from inside to outside,
The inside of the insulating layer 2 is equipped with heat-conducting piece 5, and the heat-conducting piece 5 includes thermally conductive skeleton 501 and heat-conducting connecting 502, described to lead
Thermal connection part 502 is the thermally conductive through-hole of hexagon, is welded to connect between the thermally conductive skeleton 501 and heat-conducting connecting 502 and by phase
Adjacent two cables core 1 are to be spaced apart, and the cable core 1 is by center finer wire layer 101 and is stranded in outside center finer wire layer 101
Copper conductor layer 102, the outer layer of the copper conductor layer 102 is successively wrapped with glass layer 6, metal screen layer 7 from inside to outside.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the thermally conductive skeleton 501 is silicone rubber material.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the insulating layer 2 is fluoroplastics material, described
Braiding layer 3 is ceramic fibre rope；The jacket layer 4 uses fluoroplastics material.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the metal screen layer 7 is longitudinal wrap aluminium strip.
In the present embodiment, referring to fig. 2, as an improvement of the present invention, the outer surface of the center thin copper wire layer 101 is applied
Cover polyurethane coating 8 and nylon paint layer 9.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, a kind of life of fluoroplastic high-temperature-resistant control cable
Production. art, comprising the following steps:
Step 1: the outer surface of center thin copper wire layer is coated polyurethane coating 8 and nylon paint layer using enamel-cover Wiring technology
9, it stands for 24 hours, obtains finished product center thin copper wire layer 101；
Step 2: wherein the count of glass layer 6 exists by the outer blanketing fiberglass layer 6 of copper conductor layer 102
90%, after metal screen layer 7 is wrapped on glass layer 6, the count of the longitudinal wrap aluminium strip used obtains for 85%
Finished product copper conductor layer 102；
Step 4: the finished product copper conductor layer 102 that third step obtains is stranded in the finished product center thin copper wire that the first step obtains
Layer 101, obtains cable core 1；
Step 5: after being squeezed out the thermally conductive through-hole of hexagon in heat-conducting piece 5 using extruding machine, then cooling 6h will
Material is that the thermally conductive skeleton 501 of silicon rubber is welded on the thermally conductive through-hole of hexagon, stands 1h, obtains finished product heat-conducting piece 5；
Step 6: the cable core 1 that the 4th step obtains is mounted on the heat-conducting piece 5 that the 5th step obtains, semi-finished product control is obtained
Cable processed；
Step 7: the crowded insulating layer 2 in outer surface of the semi-finished product control cable obtained using extruding machine in the 6th step, is then existed
After squeezing out insulating layer 2, cooling 2h, then braiding layer 3 is wrapped on insulating layer 2, it recycles extruding machine to squeeze jacket layer 4 and is weaving
The outer surface of layer 3, cooling 4h obtain finished product control cable.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the extrusion temperature of the insulating layer 2 and jacket layer 4
Degree are as follows: feeding section: 160 DEG C, 200 DEG C of melt zone, 230 DEG C of homogenizing zone, 210 DEG C of machine neck, 195 DEG C of head, 180 DEG C of die orifice.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the insulating layer 2 with a thickness of 1.6mm；It is described
Jacket layer 4 with a thickness of 2.2mm.
Embodiment 2: referring to Fig. 1 and Fig. 2, now a kind of fluoroplastic high-temperature-resistant control cable provided by the invention is said
It is bright, including at least two cables core 1, the cable core 1 be successively enclosed with insulating layer 2, braiding layer 3 and jacket layer 4 from inside to outside,
The inside of the insulating layer 2 is equipped with heat-conducting piece 5, and the heat-conducting piece 5 includes thermally conductive skeleton 501 and heat-conducting connecting 502, described to lead
Thermal connection part 502 is the thermally conductive through-hole of hexagon, is welded to connect between the thermally conductive skeleton 501 and heat-conducting connecting 502 and by phase
Adjacent two cables core 1 are to be spaced apart, and the cable core 1 is by center finer wire layer 101 and is stranded in outside center finer wire layer 101
Copper conductor layer 102, the outer layer of the copper conductor layer 102 is successively wrapped with glass layer 6, metal screen layer 7 from inside to outside.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the thermally conductive skeleton 501 is silicone rubber material.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the insulating layer 2 is fluoroplastics material, described
Braiding layer 3 is ceramic fibre rope；The jacket layer 4 uses fluoroplastics material.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the metal screen layer 7 is longitudinal wrap aluminium strip.
In the present embodiment, referring to fig. 2, as an improvement of the present invention, the outer surface of the center thin copper wire layer 101 is applied
Cover polyurethane coating 8 and nylon paint layer 9.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, a kind of life of fluoroplastic high-temperature-resistant control cable
Production. art, comprising the following steps:
Step 1: the outer surface of center thin copper wire layer is coated polyurethane coating 8 and nylon paint layer using enamel-cover Wiring technology
9, it stands for 24 hours, obtains finished product center thin copper wire layer 101；
Step 2: by the outer blanketing fiberglass layer 6 of copper conductor layer 102, wherein the count of glass layer 6 is 92,
Metal screen layer 7 is wrapped on glass layer 6 afterwards, the count of the longitudinal wrap aluminium strip used obtains finished product for 85%
Copper conductor layer 102；
Step 4: the finished product copper conductor layer 102 that third step obtains is stranded in the finished product center thin copper wire that the first step obtains
Layer 101, obtains cable core 1；
Step 5: after being squeezed out the thermally conductive through-hole of hexagon in heat-conducting piece 5 using extruding machine, then cooling 8h will
Material is that the thermally conductive skeleton 501 of silicon rubber is welded on the thermally conductive through-hole of hexagon, stands 5h, obtains finished product heat-conducting piece 5；
Step 6: the cable core 1 that the 4th step obtains is mounted on the heat-conducting piece 5 that the 5th step obtains, semi-finished product control is obtained
Cable processed；
Step 7: the crowded insulating layer 2 in outer surface of the semi-finished product control cable obtained using extruding machine in the 6th step, is then existed
After squeezing out insulating layer 2, cooling 3h, then braiding layer 3 is wrapped on insulating layer 2, it recycles extruding machine to squeeze jacket layer 4 and is weaving
The outer surface of layer 3, cooling 6h obtain finished product control cable.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the extrusion temperature of the insulating layer 2 and jacket layer 4
Degree are as follows: feeding section: 180 DEG C, 210 DEG C of melt zone, 240 DEG C of homogenizing zone, 220 DEG C of machine neck, 200 DEG C of head, 200 DEG C of die orifice.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the insulating layer 2 with a thickness of 1.8mm；It is described
Jacket layer 4 with a thickness of 2.6mm.
Embodiment 3: referring to Fig. 1 and Fig. 2, now a kind of fluoroplastic high-temperature-resistant control cable provided by the invention is said
It is bright, including at least two cables core 1, the cable core 1 be successively enclosed with insulating layer 2, braiding layer 3 and jacket layer 4 from inside to outside,
The inside of the insulating layer 2 is equipped with heat-conducting piece 5, and the heat-conducting piece 5 includes thermally conductive skeleton 501 and heat-conducting connecting 502, described to lead
Thermal connection part 502 is the thermally conductive through-hole of hexagon, is welded to connect between the thermally conductive skeleton 501 and heat-conducting connecting 502 and by phase
Adjacent two cables core 1 are to be spaced apart, and the cable core 1 is by center finer wire layer 101 and is stranded in outside center finer wire layer 101
Copper conductor layer 102, the outer layer of the copper conductor layer 102 is successively wrapped with glass layer 6, metal screen layer 7 from inside to outside.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the thermally conductive skeleton 501 is silicone rubber material.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the insulating layer 2 is fluoroplastics material, described
Braiding layer 3 is ceramic fibre rope；The jacket layer 4 uses fluoroplastics material.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the metal screen layer 7 is longitudinal wrap aluminium strip.
In the present embodiment, referring to fig. 2, as an improvement of the present invention, the outer surface of the center thin copper wire layer 101 is applied
Cover polyurethane coating 8 and nylon paint layer 9.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, a kind of life of fluoroplastic high-temperature-resistant control cable
Production. art, comprising the following steps:
Step 1: the outer surface of center thin copper wire layer is coated polyurethane coating 8 and nylon paint layer using enamel-cover Wiring technology
9, it stands for 24 hours, obtains finished product center thin copper wire layer 101；
Step 2: wherein the count of glass layer 6 exists by the outer blanketing fiberglass layer 6 of copper conductor layer 102
94%, after metal screen layer 7 is wrapped on glass layer 6, the count of the longitudinal wrap aluminium strip used obtains for 85%
Finished product copper conductor layer 102；
Step 4: the finished product copper conductor layer 102 that third step obtains is stranded in the finished product center thin copper wire that the first step obtains
Layer 101, obtains cable core 1；
Step 5: after being squeezed out the thermally conductive through-hole of hexagon in heat-conducting piece 5 using extruding machine, then cooling 7h will
Material is that the thermally conductive skeleton 501 of silicon rubber is welded on the thermally conductive through-hole of hexagon, stands 3h, obtains finished product heat-conducting piece 5；
Step 6: the cable core 1 that the 4th step obtains is mounted on the heat-conducting piece 5 that the 5th step obtains, semi-finished product control is obtained
Cable processed；
Step 7: the crowded insulating layer 2 in outer surface of the semi-finished product control cable obtained using extruding machine in the 6th step, is then existed
After squeezing out insulating layer 2, cooling 2.5h, then braiding layer 3 is wrapped on insulating layer 2, it recycles extruding machine to squeeze jacket layer 4 and is compiling
The outer surface of tissue layer 3, cooling 4~6h obtain finished product control cable.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the extrusion temperature of the insulating layer 2 and jacket layer 4
Degree are as follows: feeding section: 170 DEG C, 205 DEG C of melt zone, 235 DEG C of homogenizing zone, 215 DEG C of machine neck, 198 DEG C of head, 190 DEG C of die orifice.
In the present embodiment, referring to Fig. 1, as an improvement of the present invention, the insulating layer 2 with a thickness of 1.7mm；It is described
Jacket layer 4 with a thickness of 2.4mm.
The present invention can also form in combination with example 1 at least one of embodiment 2,3 technical characteristics new
Embodiment.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of fluoroplastic high-temperature-resistant controls cable, it is characterised in that: including at least two cables core, the cable core by it is interior to
It is successively enclosed with insulating layer, braiding layer and jacket layer outside, the inside of the insulating layer is equipped with heat-conducting piece, and the heat-conducting piece includes leading
Hot skeleton and heat-conducting connecting, the heat-conducting connecting are the thermally conductive through-hole of hexagon, the thermally conductive skeleton and heat-conducting connecting it
Between be welded to connect and be spaced apart adjacent two cables core are, the cable core is careful by center finer wire layer and in being stranded in
Copper conductor layer outside steel wire floor, the outer layer of the copper conductor layer are successively wrapped with glass layer, metal screen layer from inside to outside.
2. a kind of fluoroplastic high-temperature-resistant according to claim 1 controls cable, it is characterised in that: the thermally conductive skeleton is silicon
Rubber material.
3. a kind of fluoroplastic high-temperature-resistant according to claim 2 controls cable, it is characterised in that: the insulating layer is fluorine modeling
Expect that material, the braiding layer are ceramic fibre rope；The jacket layer uses fluoroplastics material.
4. a kind of fluoroplastic high-temperature-resistant according to claim 3 controls cable, it is characterised in that: the metal screen layer is
Longitudinal wrap aluminium strip.
5. a kind of fluoroplastic high-temperature-resistant according to claim 4 controls cable, it is characterised in that: the center thin copper wire layer
Outer surface coating polyurethane coating and nylon paint layer.
6. a kind of production technology of fluoroplastic high-temperature-resistant control cable, it is characterised in that: the following steps are included:
Step 1: the outer surface of center thin copper wire layer is coated polyurethane coating and nylon paint layer using enamel-cover Wiring technology, stand
For 24 hours, finished product center thin copper wire layer is obtained；
Step 2: by blanketing fiberglass layer outside copper conductor layer, wherein the count of glass layer is 90% or more, after will
Metal screen layer wraps on glass layer, and the count of the longitudinal wrap aluminium strip used obtains finished product copper conductor for 85%
Layer；
Step 4: the finished product copper conductor layer that third step obtains is stranded in the finished product center thin copper wire layer that the first step obtains, obtain
Cable core；
Step 5: after being squeezed out the thermally conductive through-hole of hexagon in heat-conducting piece using extruding machine, cooling 6~8h, then by material
Matter is that the thermally conductive skeleton of silicon rubber is welded on the thermally conductive through-hole of hexagon, stands 1~5h, obtains finished product heat-conducting piece；
Step 6: the cable core that the 4th step obtains is mounted on the heat-conducting piece that the 5th step obtains, semi-finished product control cable is obtained；
Step 7: the crowded insulating layer in outer surface of the semi-finished product control cable obtained using extruding machine in the 6th step, is then being squeezed out
After insulating layer, cooling 2~3h, then braiding layer is wrapped on the insulating layer, recycle extruding machine to squeeze jacket layer in braiding layer
Outer surface, cooling 4~6h obtain finished product control cable.
7. a kind of production technology of fluoroplastic high-temperature-resistant control cable according to claim 6, it is characterised in that: described exhausted
The extrusion temperature of edge layer and jacket layer are as follows: feeding section: 160~180 DEG C, 200~210 DEG C of melt zone, 230~240 DEG C of homogenizing zone,
210~220 DEG C of machine neck, 195~200 DEG C of head, 180~200 DEG C of die orifice.
8. a kind of production technology of fluoroplastic high-temperature-resistant control cable according to claim 7, it is characterised in that: described exhausted
Edge layer with a thickness of 1.6~1.8mm；The jacket layer with a thickness of 2.2~2.6mm.
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| CN201811648903.5A CN109659084A (en) | 2018-12-30 | 2018-12-30 | A kind of fluoroplastic high-temperature-resistant control cable and its production technology |
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Application publication date: 20190419 |
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