CN106128576A - Super flexible cable and preparation method thereof - Google Patents
Super flexible cable and preparation method thereof Download PDFInfo
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- CN106128576A CN106128576A CN201610717848.5A CN201610717848A CN106128576A CN 106128576 A CN106128576 A CN 106128576A CN 201610717848 A CN201610717848 A CN 201610717848A CN 106128576 A CN106128576 A CN 106128576A
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- braiding
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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
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
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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
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
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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
- H01B13/26—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping
- H01B13/2606—Sheathing; Armouring; Screening; Applying other protective layers by winding, braiding or longitudinal lapping by braiding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/443—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from vinylhalogenides or other halogenoethylenic compounds
-
- 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
- H01B7/0233—Cables with a predominant gas dielectric
-
- 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
- H01B7/0266—Disposition of insulation comprising one or more braided 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
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/22—Metal wires or tapes, e.g. made of steel
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Insulated Conductors (AREA)
Abstract
Super flexible cable and preparation method thereof, this super flexible cable includes: inner wire；Being arranged at the insulating barrier that described inner wire is peripheral, described insulating barrier is to have the low-density teflin tape of the air gap wrapped；It is arranged at the interior braid that described insulating barrier is peripheral；It is arranged at the outer braid that described interior braid is peripheral；It is arranged at the restrictive coating that described outer braid is peripheral.The present invention has the advantages that communication frequency is high, attenuation constant is low, flexibility is good；And under the conditions of mechanical bend etc., the change in dielectric constant of insulation is the least, has stable insulation system.
Description
Technical field
The invention belongs to radio frequency and field of microwave communication, more particularly, to one, there is high mechanical stability and low nothing
Super flexible cable of source intermodulation level and preparation method thereof.
Background technology
Cable be connect the system of high-frequency signal path in conventional element, cable is being bent or the mechanical force such as torsion
Change in size and the structure dislocation of coaxial cable each parts can be caused during effect, thus affect the performance of communication system.Therefore it is
Ensure the performance of communication system, the mechanical stability of the cable of one of matched transmission unit device proposed higher
Requirement.
Typical super flexible cable is separated metal inner and outer conductor by polymer insulation and forms, the cable of this composite construction
When by the internal action each other of mechanical stress effect and cable, the steady phase behaviour of machinery of cable can be affected, particularly
Passive intermodulation level index.Traditional super flexible cable typically uses real core politef as dielectric, bilayer tin-coated copper
Silk braiding is as outer conductor, and the cable of this structure bearing alternating bending, vibrate, impact or during the mechanical stress such as torsion, is led
Body or cable internal structure can deform, so that the passive intermodulation level of cable and total phase place change, and life-time service
Shi Buneng meets stable low passive intermodulation requirement.In order to meet electronic equipment passive intermodulation electricity in the case of mechanical forces
Flat high requirement, needs to design a kind of super flexible cable with highly stable structure so that it is inner wire, insulating barrier, outer conductor
Structure can keep stablizing each other when by mechanical force, has low passive intermodulation level nature.
Summary of the invention
It is an object of the invention to provide a kind of structure and there is the super flexible cable of high stability and compactness, can be by machinery
Passive intermodulation level and the machinery steady phase performance of cable is ensured during stress.
It is a further object of the present invention to provide the preparation method of a kind of super flexible cable.
In order to realize above-mentioned first purpose, the present invention takes following technical solution:
Super flexible cable, including: inner wire；Being arranged at the insulating barrier that described inner wire is peripheral, described insulating barrier is for there being air
The low-density teflin tape in gap is wrapped；It is arranged at the interior braid that described insulating barrier is peripheral；It is arranged at described interior braiding
The outer braid that layer is peripheral；It is arranged at the restrictive coating that described outer braid is peripheral.
As a kind of improvement of super flexible cable of the present invention, the thickness of described low-density teflin tape be 0.10mm～
0.30mm。
As a kind of improvement of super flexible cable of the present invention, the described wrapped number of plies of low-density teflin tape is not less than 2 layers.
As a kind of improvement of super flexible cable of the present invention, the rate of putting up of described every layer of low-density teflin tape is not less than
40%.
As a kind of improvement of super flexible cable of the present invention, described interior braid is metal bandlet braid.
As a kind of improvement of super flexible cable of the present invention, the width of described metal bandlet is not less than 0.60mm, and thickness is the least
In 0.04mm, the count of interior braid is not less than 96%.
As a kind of improvement of super flexible cable of the present invention, described outer braid is circle soft annealed wire braid.
As a kind of improvement of super flexible cable of the present invention, the count of described outer braid is not less than 90%.
As a kind of improvement of super flexible cable of the present invention, between described interior braid and outer braid, it is provided with lapping layer.
As a kind of improvement of super flexible cable of the present invention, described lapping layer is binding type lapping layer.
In order to realize above-mentioned second purpose, the present invention takes following technical solution:
The manufacture method of super flexible cable, step is as follows:
Inner wire is provided；
With low-density polytetrafluoroethylene film band around inner wire wrapped formation insulating barrier；
It is knitted to form interior braid in insulating barrier periphery；
It is knitted to form outer braid in interior braid periphery with round wire；
Braid periphery forms the restrictive coating of tubulose outside；
Use metal bandlet by braid in high-speed knitter braiding, set between the lower mold and upper mold of high-speed knitter
Putting middle mold, upper, middle and lower mould is coaxial and interval is arranged, the braiding step of interior braid is as follows:
Bandlet is installed on upper ingot and lower ingot, by good for the tension adjustment of each spindle, and the bandlet of every ingot is penetrated
In the through hole of mould；
Carry out examination braiding with the speed of 20～30 revs/min, observe during bandlet braiding the most smooth during examination braiding,
If smooth, carry out next step, if the most smooth, after checking reason, carry out examination braiding again；
By the heart yearn of tape insulation layer through lower mold, middle mold and upper mold, enter in heart yearn periphery with the speed of 20～30 revs/min
The pre-braiding of braid in row, shuts down after pre-braiding one segment length, and the interior braid of pre-braiding is carried out structure inspection, if compiled
Knit structure qualified, carry out next step, as fruit structure is defective, braided parameter is adjusted, then re-start pre-braiding；
Braid in weaving with the speed of 50～100 revs/min, bandlet enters after completing tentatively to weave through middle mold
Mould, is tightly woven by the braid of upper mold braiding preliminary to middle mold.
Further, the cross sectional shape of the guide groove of the braiding guide wheel of the lower ingot of high-speed knitter is trapezoidal.
Further, described upper mold and middle mold are the bright finished tungsten steel die of work surface.
Further, the edge of the through hole of described upper mold has the arc chord angle that radius is 1mm～10mm.
Further, the edge of the through hole of described middle mold has the arc chord angle that radius is 5mm～10mm.
Further, the through-hole diameter of described upper mold is 2.9mm～3.3mm, and the through-hole diameter of middle mold is 20mm～40mm.
From above technical scheme, the super flexible cable of the present invention, use low density PTFE band wrapped formation insulating barrier, low
The densely covered many microscopic pinholes of the inner homogeneous of density PTFE tape so that it is dielectric constant is decreased obviously, so that cable has communication
The features such as frequency is high, attenuation constant is low, flexibility is good；And owing to the heat resistance of low density PTFE band is good, thermal coefficient of expansion
The least, thus under the conditions of mechanical bend etc., the change in dielectric constant of insulation is the least, has stable insulation system.And
And the present invention is when making cable, the weaving of internal braid improves, and uses braid in bandlet braiding, in utilization
Mould carried out examination braiding before formal braiding, by examination braiding step, checked that bandlet send band the most smooth, to avoid formally weaving
Time anti-band and edge-curl phenomenon occur；After increasing middle mold, middle mold completing the preliminary braiding of braid, the effect of upper mold is in middle mold
On the premise of tentatively weaving, the braid of preliminary braiding is tightly woven by the requirement fully according to cable, so that interior volume
The combination of tissue layer and insulating barrier is tightr, and structure is more stable, thus reduce under the conditions of mechanical stress braid and insulating barrier it
Between produce relative movement.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention, will use required in embodiment or description of the prior art below
Accompanying drawing do simple introduction, it should be apparent that, the accompanying drawing in describing below is only some embodiments of the present invention, for ability
From the point of view of the those of ordinary skill of territory, on the premise of not paying creative work, it is also possible to obtain the attached of other according to these accompanying drawings
Figure.
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the tangent plane structural representation of embodiment 1 cable；
Fig. 3 is the structural representation of bandlet braider；
Fig. 4 is the structural representation of bandlet braider braiding mould；
Fig. 5 is the structure for amplifying schematic diagram of part A in Fig. 3；
Fig. 6 is the dynamic passive level indicatrix of embodiment 1 cable；
Fig. 7 is the dynamic passive level indicatrix of comparative example cable；
Fig. 8 is the structural representation of the embodiment of the present invention 2；
Fig. 9 is the tangent plane structural representation of embodiment 2 cable.
Detailed description of the invention
Embodiment 1
As depicted in figs. 1 and 2, the super flexible cable of the present embodiment includes inner wire 1, the insulating barrier from inside to outside set gradually
2, interior braid 3, outer braid 4 and restrictive coating 5.Inner wire 1 is metal wire or metallic cable, it is preferred that inner wire 1 can be plating
Silver-copper wire or silver-copper plated steel clad wire or silver-plated copper stranded wire or silver-copper plated steel clad twisted wire.Insulating barrier 2 is arranged at the periphery of inner wire 1,
Insulating barrier is that the low-density politef (PTFE) having the air gap carries wrapped forming, further, low density PTFE band
Thickness is 0.10mm～0.30mm, and the rate of putting up of every layer of low density PTFE band is not less than 40%, and the wrapped number of plies is not less than 2 layers, around
The number of plies of bag can be according to product specification respective change.
It is peripheral that interior braid 3 is arranged at insulating barrier 2, and interior braid 3 forms, as by silver-plated copper for metal bandlet (line) braiding
Lenticular wire or tin-coated copper lenticular wire or aluminium strip braiding form, and the width of metal bandlet is not less than 0.60mm, and thickness is not less than 0.04mm, interior
The count of braid is not less than 96%.Outer braid 4 is arranged at the periphery of interior braid 3, and outer braid 4 is circle soft metal
Line braiding forms, and further, outer braid is woven by tinned wird or silver-coated copper wire and forms, and the count of outer braid is not
Less than 90%.
It is peripheral that restrictive coating 5 is arranged at outer braid 4, and restrictive coating 5 is tubular structure, plays the effect of protection cable.Sheath
Layer can use fluorinated ethylene propylene copolymer (Fluorinated ethylene propylene is called for short FEP) or low smoke and zero halogen
The thermoplasticity sheath level coating materials such as flame-proof polyethylene are made.More specifically, in order to make the construction of cable and transmission characteristic stable, adopt
Make FEP restrictive coating by crowded tubular type processing technique, or use half to squeeze tubular type or squash type processing technique making low-smoke non-halogen flame-retardant
Pe sheath, so that restrictive coating has preferable mechanical performance and high flame retardant, it is ensured that in cable mechanical strength and
The safety used.
The manufacture method of cable of the present invention is as follows:
Inner wire is provided；
With low-density polytetrafluoroethylene film band around inner wire wrapped formation insulating barrier；
It is knitted to form interior braid in insulating barrier periphery with metal bandlet；
It is knitted to form outer braid in interior braid periphery with round wire；
Braid periphery forms the restrictive coating of tubulose outside.
In order to improve the stability of the construction of cable, making cable have low intermodulation level index, the present invention uses metal bandlet
Weave interior braid, and the mould of the high-speed knitter for weaving interior braid improved, by upper mold and under
Increase a middle mold between mould, and improvement weaving obtains hard-packed interior braid accordingly.Used by the present embodiment
High-speed knitter is to transform on the basis of the high-speed knitter that model is KMBMI with Jin Sheng plant equipment company limited
Braider, the structure of this braider is in addition to setting up middle mold, and other structure is identical with existing high-speed knitter.As it is shown on figure 3,
High-speed knitter includes braiding head 1, upper ingot 2, lower ingot 3, upper mold 5, lower mold 6 and middle mold 7, is provided with the upper ingot of driving in braiding head 1
The drive mechanism of bandlet cabling and the drive mechanism (not shown) of the lower ingot bandlet cabling of driving.Lower mold 6, middle mold 7 and upper mold 5 under
Interval is arranged and three is coaxial the most successively, and heart yearn 4 is through lower mold 6, middle mold 7 and upper mold 5.Lower mold 6 is arranged at by installing set 8
On braiding head 1, lower mold 6 is for controlling the swing of heart yearn, and positions the center of upper mold and middle mold.
During braiding, bandlet 100 is installed on spindle (upper ingot, lower ingot), by good for the tension adjustment of each spindle, and will be every
The bandlet of ingot penetrates in the through hole of middle mold；
Carry out examination braiding with the speed of 20～30 revs/min, observe during bandlet braiding the most smooth during examination braiding,
If smooth, carrying out next step, if the most smooth, check reason, such as: if causing winding or broken belt, then checking middle mold
Height and position whether suitable, middle mold is adjusted to suitable position, it is to avoid winding and broken belt；
By the heart yearn 4 of tape insulation layer through lower mold 6, middle mold 7 and upper mold 5, with the speed of 20～30 revs/min outside heart yearn
Enclosing the pre-braiding carrying out interior braid, shut down after weaving a segment length, shut down the most in advance after braiding 50 centimetres, internal braid is examined
Look into its braiding structure, if braiding structure is qualified, carry out next step, as fruit structure is defective, braided parameter is adjusted,
Re-start pre-braiding again；
Braid in weaving with the speed of 50～100 revs/min, owing to having a spacer segment between middle mold 7 and upper mold 5,
After bandlet 100 completes tentatively to weave through middle mold 7, entering the braid tapered 9 of upper mold 5, braid at this moment can't reach
To the requirement of product, the braid utilizing upper mold 5 tentatively to weave middle mold 7 weaves again, makes weave mesh the most smooth, reaches
Requirement needed for product.
The interior braid of the present invention is to use bandlet to weave, owing to the material of lower ingot is had one to preset by braider
Operation track, the material of each lower ingot runs from this track, compiles in comparing the metal wire knitted of traditional use pencil
Tissue layer, metal bandlet is banding, and therefore braiding speed suitably reduced by problem winding, broken belt easily occur, to reach one
Individual good weave effect.
The inspection of braiding structure includes the structure that density inspection, uniformity test, elasticity inspection, whether winding etc. are conventional
Check, as density is undesirable, regulate pitch, as undesirable in crossed the uniformity, adjust the tension force of spindle, such as elasticity
Undesirable, change various sizes of upper mold, then check if any winding whether middle mold position regulates and put in place.
As a preferred embodiment of the present invention, as it is shown in figure 5, the cross section shape of the guide groove a of the braiding guide wheel 10 of lower ingot
The guide groove that shape is trapezoidal, trapezoidal is more suitable for the shape of bandlet, it is ensured that still keep smooth during bandlet unwrapping wire, it is to avoid bandlet is rolled up
Folding, it is ensured that the concordance of bandlet unwrapping wire and the uniformity of braiding, is easily pulled off or rolls up when improving the bandlet unwrapping wire of banding
Limit phenomenon, reduces the impact on cable performance, improves weaving quality.Find winding as checked during braiding, also can check braiding
Guide wheel has without exception.
The upper, middle and lower mould of the present embodiment preferably employs wolfram steel and makes, and the work surface of upper mold and middle mold is carried out minute surface throwing
Light, middle mold work surface is smooth can avoid bandlet coating (tin plating, silver-plated) to be worn, and smooth can the avoiding of upper mold work surface prelists
The coating knitting cable surface is stripped off.Further, the through-hole diameter of upper mold is 2.9mm～3.3mm, and the through-hole diameter of middle mold is
20mm～40mm, the through-hole diameter of upper mold is relevant to the elasticity of braiding, and the through-hole diameter of middle mold can ensure that bandlet is in upper mold
Enough spaces are had to carry out pre-braiding before tightly weaving.
It is furthermore preferred that as shown in Figure 4, the edge of upper mold through hole is respectively provided with the arc chord angle that radius is 1mm～10mm, arc chord angle
The cable that can make pre-braiding slips in upper mold smoothly.The edge of middle mold through hole is respectively provided with as the arc chord angle that radius is 5mm～10mm,
Arc chord angle can ensure smooth before prelisting of bandlet, prevents bandlet from prelisting the raw anti-band of hair-weaving or winding.
Owing to the count of interior braid is the highest, when braiding, bandlet easily produces crimping, anti-package and belt phenomenon,
The present invention, on the basis of existing high-speed knitter original structure, increases by a middle mold between upper and lower mould, utilizes middle mold formally
Carry out examination braiding before braiding, by examination braiding step, check that bandlet line sending is the most smooth, occur anti-during to avoid formally weaving
Band and edge-curl phenomenon；After increasing middle mold, the effect of upper mold is on the premise of middle mold is carried out, and the requirement fully according to cable is carried out
Tight braiding, so that interior braid is tightr with the combination of insulating barrier, structure is more stable, thus reduces and compile under the conditions of mechanical stress
Relative movement is produced between tissue layer and insulating barrier.Upper, middle mold can ensure that knitting tension is more stable under high count, flat
The smooth braiding of band energy high speed.
Below as a example by a concrete application examples, concrete structure and effect to the present embodiment are explained in detail,
The cable of embodiment 2 and comparative example cable are 141 specification cables, and their concrete structure is as shown in the table:
Use PIM tester to carry out dynamic passive intermodulation level detecting on the cable of embodiment 1 and the cable of comparative example, survey
Test result is: the passive intermodulation level index when cable of comparative example moves under by mechanical stress is not more than-135dBc, implements
Passive intermodulation level index when the cable of example 1 moves under by mechanical stress be not more than-160dBc, have excellence passive mutually
Tonality energy.Fig. 6 is the dynamic passive level indicatrix of embodiment 1 cable, and Fig. 7 is the dynamic passive level index of comparative example cable
Figure, be can be seen that by Fig. 6 and Fig. 7, the mechanical stability of the cable of embodiment 1 is improved, and also ensure that cable standing wave simultaneously
And loss stability.
Embodiment 2
As shown in Figure 8 and Figure 9, the place that the present embodiment is different from embodiment 1 is: at interior braid 3 and outer braid 4
Between be provided with lapping layer 6, lapping layer 6 can be the wrapped or silver-plated Copper Foil of polyimide aluminum plastic belt wrapped or plastic-aluminum combined shielding band
Wrapped form.Preferably, lapping layer is binding type lapping layer, and caking property lapping layer can make lapping layer form unified structure, thus
Prevent bending or actual dynamically use during because of twining package tape between relatively slide and produce micrometric displacement, it is to avoid cable entirety is damaged
Consumption increases and destroys the mechanically stable characteristic that cable is overall, it is ensured that the concordance of cable entirety axial arrangement and stability, makes
Cable has more excellent mechanical stability.
The super flexible cable of the present invention, interior braid uses the braiding of metal bandlet, thus at wrapped exhausted of low density PTFE band
Edge layer is outside forms back-up coat, and cable configuration plays reinforcing Stabilization；Outer braid uses the braiding of metal round wires, makes
The stress that must produce when mechanical vibration or bending can be released, it is ensured that the geometry of cable and internal structure steady
Qualitative, thus ensure that the steady phase behaviour of cable.
In preferred version, in the middle of inside and outside braid, increase binding type lapping layer so that constitute more unified between belt
Stable entirety, can effectively prevent vibration and bending from insulating the construction of cable and the destruction of shape, release in process of production
The stress produced with around-packing technology, will not occur relative displacement during mechanical vibration use or when bending, improve cable
Overall mechanical bend performance, constitutes more stable coaxial configuration, it is ensured that this cable should at machineries such as vibration, bend crashes
The steady phase behaviour of machinery keeping excellent under force conditions.
In this specification, various piece uses the mode gone forward one by one to describe, and what each some importance illustrated is and other parts
Difference, between various piece, same or similar part sees mutually.Syntagmatic between these parts is also
It is more than the form disclosed in embodiment, the described above to the disclosed embodiments, enables professional and technical personnel in the field
Realize or use the present invention.Multiple amendment to these embodiments will be apparent for those skilled in the art
, generic principles defined herein can without departing from the spirit or scope of the present invention, in other embodiments
Middle realization.Therefore, the present invention is not intended to be limited to embodiment illustrated herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (16)
1. super flexible cable, it is characterised in that including:
Inner wire；
Be arranged at the insulating barrier that described inner wire is peripheral, described insulating barrier be the low-density teflin tape having the air gap around
Bag；
It is arranged at the interior braid that described insulating barrier is peripheral；
It is arranged at the outer braid that described interior braid is peripheral；
It is arranged at the restrictive coating that described outer braid is peripheral.
2. super flexible cable as claimed in claim 1, it is characterised in that: the thickness of described low-density teflin tape is
0.10mm～0.30mm.
3. super flexible cable as claimed in claim 1, it is characterised in that: the described wrapped number of plies of low-density teflin tape is the least
In 2 layers.
4. the super flexible cable as described in claim 1 or 2 or 3, it is characterised in that: described every layer of low-density teflin tape
Rate of putting up is not less than 40%.
5. super flexible cable as claimed in claim 1, it is characterised in that: described interior braid is metal bandlet braid.
6. super flexible cable as claimed in claim 5, it is characterised in that: the width of described metal bandlet is not less than 0.60mm, thick
Degree is not less than 96% not less than 0.04mm, the count of interior braid.
7. super flexible cable as claimed in claim 1, it is characterised in that: described outer braid is circle soft annealed wire braid.
8. super flexible cable as claimed in claim 7, it is characterised in that: the count of described outer braid is not less than 90%.
9. super flexible cable as claimed in claim 1, it is characterised in that: be provided with between described interior braid and outer braid around
Covering.
10. super flexible cable as claimed in claim 9, it is characterised in that: described lapping layer is binding type lapping layer.
The manufacture method of 11. super flexible cables, step is as follows:
Inner wire is provided；
With low-density polytetrafluoroethylene film band around inner wire wrapped formation insulating barrier；
It is knitted to form interior braid in insulating barrier periphery；
It is knitted to form outer braid in interior braid periphery with round wire；
Braid periphery forms the restrictive coating of tubulose outside；
It is characterized in that:
Braid in using metal bandlet to be woven by high-speed knitter, in arranging between the lower mold and upper mold of high-speed knitter
Mould, upper, middle and lower mould is coaxial and interval is arranged, the braiding step of interior braid is as follows:
Bandlet is installed on upper ingot and lower ingot, by good for the tension adjustment of each spindle, and the bandlet of every ingot is penetrated middle mold
In through hole；
Carry out examination braiding with the speed of 20～30 revs/min, observe during bandlet braiding the most smooth during examination braiding, if
Smooth, carry out next step, if the most smooth, after checking reason, carry out examination braiding again；
By the heart yearn of tape insulation layer through lower mold, middle mold and upper mold, with the speed of 20～30 revs/min in heart yearn periphery is carried out
The pre-braiding of braid, shuts down after pre-braiding one segment length, and the interior braid of pre-braiding is carried out structure inspection, if braiding knot
Structure is qualified, carries out next step, as fruit structure is defective, is adjusted braided parameter, then re-starts pre-braiding；
Braid in weaving with the speed of 50～100 revs/min, bandlet enters upper mold after completing tentatively to weave through middle mold, by
The braid of upper mold braiding preliminary to middle mold tightly weaves.
The manufacture method of 12. super flexible cables as claimed in claim 11, it is characterised in that: the braiding of the lower ingot of high-speed knitter
The cross sectional shape of the guide groove of guide wheel is trapezoidal.
The manufacture method of 13. super flexible cables as claimed in claim 11, it is characterised in that: described upper mold and middle mold are work surface
Bright finished tungsten steel die.
The manufacture method of 14. super flexible cables as claimed in claim 11, it is characterised in that: the edge tool of the through hole of described upper mold
The arc chord angle having radius to be 1mm～10mm.
The manufacture method of 15. super flexible cables as claimed in claim 11, it is characterised in that: the edge tool of the through hole of described middle mold
The arc chord angle having radius to be 5mm～10mm.
The manufacture method of 16. super flexible cables as claimed in claim 11, it is characterised in that: the through-hole diameter of described upper mold is
2.9mm～3.3mm, the through-hole diameter of middle mold is 20mm～40mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610717848.5A CN106128576B (en) | 2016-08-24 | 2016-08-24 | Super flexible cable and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610717848.5A CN106128576B (en) | 2016-08-24 | 2016-08-24 | Super flexible cable and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108950856A (en) * | 2018-07-21 | 2018-12-07 | 徐州恒辉编织机械有限公司 | A kind of compound pipeline complex pipeline winding braiding all-in-one machine |
| CN112582099A (en) * | 2020-12-05 | 2021-03-30 | 福建微波通通信技术有限公司 | Flexible radio frequency cable |
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| Publication number | Publication date |
|---|---|
| CN106128576B (en) | 2017-11-03 |
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