CN105355278B - Aero-Space politef/polyimides combines seamless lapped insulation cable and preparation method thereof - Google Patents
Aero-Space politef/polyimides combines seamless lapped insulation cable and preparation method thereof Download PDFInfo
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- CN105355278B CN105355278B CN201510765041.4A CN201510765041A CN105355278B CN 105355278 B CN105355278 B CN 105355278B CN 201510765041 A CN201510765041 A CN 201510765041A CN 105355278 B CN105355278 B CN 105355278B
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Abstract
A kind of Aero-Space politef/polyimides of offer is provided and combines seamless lapped insulation cable and preparation method thereof, this insulated cable includes that wire (1), insulation sleeve (2), housing (3) and sheath (4), described insulation sleeve (2), housing (3) and sheath (4) are sheathed on the outside of described wire (1) the most successively；Insulation sleeve (2) and sheath (4) are the combination body containing polytetrafluoroethylene film Yu polyimide composite film, housing (3) is the body of compound polyimide silk braiding, compound polyimide silk contains polyimide fiber tow and be wound in the silver-plated flat copper band of polyimide fiber tow outer surface, polyimide composite film include by lower and under the polytetrafluoroethylene film, polyimides and the polytetrafluoroethylene film that are sequentially overlapped.This insulated cable has anti-insulation, high mechanical properties, high temperature resistant, resistant to hydrolysis and the fire-retardant performance of excellence simultaneously.
Description
Technical field
The present invention relates to cable, in particular it relates to a kind of Aero-Space politef/polyimides combination is seamless around
Bag insulated cable and preparation method thereof.
Background technology
Along with the high speed fast development of current science and technology and China's national defense modernization development build in the urgent need to, military
Industry develops towards the direction of high-tech, high speed.Aeronautics and Astronautics, the technical merit of weapon industry represent and signify
Military capability of the country, for adapting to the needs of modernization of national defense high speed development, matched product is also constantly updating, equipment
Electrification, automatization, systemization improve constantly, the usage amount as the cable of " blood vessel and nerve " is increasing, right
The quality level of product and security reliability propose the higher requirement of renewal.In today that space flight and aviation industry is flourish, fly
The loss of weight of row device has become a undisputable fact, and this project have also been obtained the height of China many space flight and aviation industry experts
Degree is paid attention to, and for adapting to the needs of modernization of national defense high speed development, developing new high-tech product is that war industry is supporting to adding
Strong national defense construction, the technical strength important role improving military equipment and meaning.
Aerospace Products is used conditions and environment to be restricted by it, and material is proposed strict requirements.At present, pass through
Existing material prepares insulated cable or has insulating properties, mechanical strength, high temperature resistant, resistant to hydrolysis and the fire-retardant middle one of excellence
Or several performances, it can be difficult to make same insulated cable be satisfied by above-mentioned characteristic, and then make existing insulated cable
The most still it is severely limited.
Summary of the invention
It is an object of the invention to provide a kind of Aero-Space politef/polyimides and combine seamless lapped insulation electricity
Cable and preparation method thereof, the insulated cable prepared by the method has the anti-insulation of excellence, high mechanical properties, resistance to height simultaneously
Temperature, resistant to hydrolysis and fire-retardant performance, the method step is simple simultaneously, and raw material is easy to get.
To achieve these goals, the invention provides a kind of Aero-Space politef/polyimides combination nothing
Seam lapped insulation cable, including wire, insulation sleeve, housing and sheath, insulation sleeve, housing and sheath overlap the most successively
It is located at the outside of wire；Wherein, insulation sleeve and sheath are the group containing polytetrafluoroethylene film Yu polyimide composite film
Trap body, housing is the body of compound polyimide silk braiding, and compound polyimide silk contains polyimide fiber silk
Bundle and be wound in the silver-plated flat copper band of polyimide fiber tow outer surface, described polyimide composite film include by lower and under
Polytetrafluoroethylene film, polyimides and the polytetrafluoroethylene film being sequentially overlapped.
Present invention also offers the preparation method of a kind of insulated cable described above, including:
1) by polyimide composite film around being wrapped in the outside of wire, then that polytetrafluoroethylene film is sub-around being wrapped in polyamides
The outside of amine laminated film, then carries out high temperature sintering so that forming insulation sleeve the outside of wire；
2) carry out weaving to form housing in the outside of insulation sleeve by compound polyimide silk；
3) by polyimide composite film around being wrapped in the outside of housing, then by polytetrafluoroethylene film around being wrapped in polyamides
The outside of imines laminated film, then carries out high temperature sintering to form sheath；
Wherein, compound polyimide silk contains polyimide fiber tow and is wound in polyimide fiber tow outer surface
Silver-plated flat copper band.
By technique scheme, the Aero-Space politef that the present invention provides/polyimides combination is seamless around
Bag insulated cable, including wire, insulation sleeve, housing and sheath, insulation sleeve, housing and sheath are sheathed on the most successively
The outside of wire；Wherein, insulation sleeve and sheath are the combination body containing polytetrafluoroethylene film Yu Kapton, screen
Covering the body overlapped for the braiding of compound polyimide silk, compound polyimide silk contains polyimide fiber tow and is wound in
The silver-plated flat copper band of polyimide fiber tow outer surface.Select chemical stability, electrical insulating property, thermostability, mechanical property knot
The body that the polyimide composite film closed and polytetrafluoroethylene film combine, as insulation sleeve and sheath, can comprehensively be sent out
The advantage waving bi-material, it is achieved the maximum in material advantage performance represents, the external diameter not only making wire is less, and weight is lighter,
But also improve the electrical property of wire, mechanical performance, heatproof level, wear-resisting, radiation hardness, resistance to dry arc, the ability of wet electric arc.Screen
Cover selection compound polyimide silk braiding to form, silver-plated flat copper band is wrapped in outside bundle polyimide fiber silk processed, both reaches to subtract
The requirement of weight, ensures again the shielding properties of wired tube, according to electrical principles such as kelvin effects, devises " the metal of similar hollow
Blank pipe ", so wrapped lenticular wire further increases shielding density, shield effectiveness increases.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with following tool
Body embodiment is used for explaining the present invention together, but is not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation that Aero-Space politef/polyimides combines seamless lapped insulation cable.
Description of reference numerals
1, wire 2, insulation sleeve
3, housing 4, sheath
Detailed description of the invention
Hereinafter the detailed description of the invention of the present invention is described in detail.It should be appreciated that described herein specifically
Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides a kind of Aero-Space politef/polyimides and combine seamless lapped insulation cable, as
Shown in Fig. 1, including wire 1, insulation sleeve 2, housing 3 and sheath 4, insulation sleeve 2, housing 3 and sheath 4 overlap the most successively
It is located at the outside of wire 1；Wherein, insulation sleeve 2 and sheath 4 are the combination compound with polyimides containing polytetrafluoroethylene film
Body, the body that housing 3 weaves for compound polyimide silk, compound polyimide silk contains polyimide fiber tow
With the silver-plated flat copper band being wound in polyimide fiber tow outer surface.
In the present invention, the size of conductor, insulation sleeve 2, housing 3 and sheath 4 can select in loose scope, but
In order to improve the anti-insulation of prepared insulated cable, high mechanical properties, high temperature resistant, resistant to hydrolysis and fire-retardant performance further, excellent
Selection of land, a diameter of 0.78-0.82mm of conductor, the thickness of insulation sleeve 2 is 0.15-0.20mm, and the thickness of housing 3 is 0.10-
0.20mm, the thickness of sheath 4 is 0.20-0.25mm.
In the present invention, in compound polyimide silk, the size of each assembly can select in wide scope, but in order to
Improve the anti-insulation of insulated cable, high mechanical properties, high temperature resistant, resistant to hydrolysis and the fire-retardant performance prepared further, it is preferable that
In compound polyimide silk, the radius of polyimide fiber tow is 0.02-0.05mm, and the thickness of silver-plated flat copper band is
0.05-0.10mm, the thickness of the silver coating of silver-plated flat copper band is 1-2 μm.
In the polyimide composite film of the present invention, the content of each component can select in wide scope, but is
The anti-insulation of insulated cable, high mechanical properties, high temperature resistant, resistant to hydrolysis and the fire-retardant performance that further raising prepares, preferably
Ground, in polyimide composite film, along order from top to bottom, described polytetrafluoroethylene film, Kapton and
The weight ratio of polytetrafluoroethylene film is 0.4-0.6:1:0.4-0.6.
In the present invention, the size of wire 1 and insulated cable can select in wide scope, but in order to further
Improve the anti-insulation of insulated cable, high mechanical properties, high temperature resistant, resistant to hydrolysis and the fire-retardant performance prepared, it is preferable that with insulation
On the basis of the area in the cross section, footpath of cable, the area in the cross section, footpath of wire 1 accounts for 80-90%.
In the present invention, concrete structure and material in wire 1 can select in wide scope, but so that
The insulated cable prepared has more excellent anti-insulation, high mechanical properties, high temperature resistant, resistant to hydrolysis and fire-retardant performance, it is preferable that
Wire 1 includes that multiply presses stranded silver-gilt copper wire.
In above-mentioned silver-gilt copper wire, the radius of silver-gilt copper wire and the thickness of silver coating all can select in wide scope
Select, but in order to improve the anti-insulation of prepared insulated cable, high mechanical properties, high temperature resistant, resistant to hydrolysis and fire-retardant further
Performance, it is preferable that the thickness of the silver coating of silver-gilt copper wire is 1-2 μm.
In the present invention, in wire 1, silver-plated copper cabling mode can select in wide scope, but in order to enter one
Step improves the electric property of the insulated cable prepared, it is preferable that wire 1 is for pressing stranded forming with one heart.
Present invention also offers the preparation method of a kind of above-mentioned insulated cable, including:
1) by polyimide composite film around being wrapped in the outside of wire 1, then by polytetrafluoroethylene film around being wrapped in polyamides
The outside of imines laminated film, then carries out high temperature sintering so that forming insulation sleeve 2 the outside of wire 1；
2) carry out compound polyimide silk in the outside of insulation sleeve 2 weaving to form housing 3；
3) by polyimide composite film around being wrapped in the outside of housing 3, then that polytetrafluoroethylene film is poly-around being wrapped in
The outside of imide membrane, then carries out high temperature sintering to form sheath 4；
Wherein, compound polyimide silk contains polyimide fiber tow and is wound in polyimide fiber tow outer surface
Silver-plated flat copper band, described polyimide composite film include by lower and under the polytetrafluoroethylene film that is sequentially overlapped, polyamides sub-
Amine and polytetrafluoroethylene film.
In above-mentioned preparation method, the condition of high temperature sintering can select in wide scope, but so for preparing
The insulated cable prepared has more excellent anti-insulation, high mechanical properties, high temperature resistant, resistant to hydrolysis and fire-retardant performance, it is preferable that
High temperature sintering at least meets following condition: the temperature of sintering is 260-350 DEG C, and the speed of sintering is 0.3-0.5m/s.
Hereinafter will be described the present invention by embodiment.
Preparation example 1
1) making the flat copper band that thickness is 0.08mm after white silk repressed at circular copper wire, tough, being then plated with thickness is 1.5 μm
Silver coating prepares silver-plated flat copper band；
2) polyimide fiber tow is made the polyimide fiber tow that radius is 0.04mm, then by silver-plated flat copper
Band is wound in the outside of polyimide fiber tow and prepares compound polyimide silk C1.
Preparation example 2
1) make the flat copper band that thickness is 0.05mm after white silk repressed at circular copper wire, tough, be then plated with the plating that thickness is 1 μm
Silver layer prepares silver-plated flat copper band；
2) polyimide fiber tow is made the polyimide fiber tow that radius is 0.02mm, then by silver-plated flat copper
Band is wound in the outside of polyimide fiber tow and prepares compound polyimide C2.
Preparation example 3
1) make the flat copper band that thickness is 0.10mm after white silk repressed at circular copper wire, tough, be then plated with the plating that thickness is 2 μm
Silver layer prepares silver-plated flat copper band；
2) polyimide fiber tow is made the polyimide fiber tow that radius is 0.05mm, then by silver-plated flat copper
Band is wound in the outside of polyimide fiber tow and prepares compound polyimide C3.
Preparation example 4
By polytetrafluoroethylene film, Kapton and polytetrafluoroethylene film from top to down according to 0.5:1-0.5's
Weight ratio is pressed into polyimide composite film.
Embodiment 1
1) by polyimide composite film around being wrapped in outside wire 1 (radius is 0.80mm, and silver coating thickness is 1.5 μm)
Portion, then by polytetrafluoroethylene film around being wrapped in the outside that Kapton is compound, then according to 0.4m/s's at 280 DEG C
Speed carries out high temperature sintering so that forming, the outside of wire 1, the insulation sleeve 2 that thickness is 0.18mm；
2) carry out compound polyimide silk C1 in the outside of insulation sleeve 2 weaving to form the thickness housing as 0.15mm
3；
3) by polyimide composite film around being wrapped in the outside of housing 3, then that polytetrafluoroethylene film is poly-around being wrapped in
The outside of acid imide laminated film, then carrying out high temperature sintering to form thickness according to the speed of 0.4m/s at 280 DEG C is
The sheath 4 of 0.22mm and then obtain insulated cable A1；Wherein, wire 1 includes the most stranded silver-gilt copper wire in multiply center, with
On the basis of the area in the cross section, footpath of insulated cable, the area in the cross section, footpath of wire 1 accounts for 85%.
Embodiment 2
1) by polyimide composite film around being wrapped in the outside of wire 1 (radius is 0.78mm, and silver coating thickness is 1 μm),
Then by polytetrafluoroethylene film around being wrapped in the outside that Kapton is compound, then according to the speed of 0.3m/s at 260 DEG C
Rate carries out high temperature sintering so that forming, the outside of wire 1, the insulation sleeve 2 that thickness is 0.15mm；
2) carry out compound polyimide silk C2 in the outside of insulation sleeve 2 weaving to form the thickness housing as 0.10mm
3；
3) by polyimide composite film around being wrapped in the outside of housing 3, then that polytetrafluoroethylene film is poly-around being wrapped in
The outside of acid imide laminated film, then carrying out high temperature sintering to form thickness according to the speed of 0.3m/s at 260 DEG C is
The sheath 4 of 0.20mm and then obtain insulated cable A2；Wherein, wire 1 includes the most stranded silver-gilt copper wire in multiply center, with
On the basis of the area in the cross section, footpath of insulated cable, the area in the cross section, footpath of wire 1 accounts for 80%.
Embodiment 3
1) by polyimide composite film around being wrapped in the outside of wire 1 (radius is 0.82mm, and silver coating thickness is 2 μm),
Then by polytetrafluoroethylene film around being wrapped in the outside that Kapton is compound, then according to the speed of 0.5m/s at 300 DEG C
Rate carries out high temperature sintering so that forming, the outside of wire 1, the insulation sleeve 2 that thickness is 0.20mm；
2) carry out compound polyimide silk C3 in the outside of insulation sleeve 2 weaving to form the thickness housing as 0.20mm
3；
3) by polyimide composite film around being wrapped in the outside of housing 3, then that polytetrafluoroethylene film is poly-around being wrapped in
The outside of acid imide laminated film, then carrying out high temperature sintering to form thickness according to the speed of 0.5m/s at 300 DEG C is
The sheath 4 of 0.25mm and then obtain insulated cable A3；Wherein, wire 1 includes the most stranded silver-gilt copper wire in multiply center, with
On the basis of the area in the cross section, footpath of insulated cable, the area in the cross section, footpath of wire 1 accounts for 90%.
Comparative example 1
Carry out preparing insulated cable B1, except for the difference that, without step 3 according to the method for embodiment 1), i.e. insulated cable is without absolutely
Edge set 2.
Comparative example 2
According to the method for embodiment 1 carry out prepare insulated cable B2, except for the difference that, without step 4), i.e. insulated cable i.e. without
Housing 3.
Comparative example 3
According to the method for embodiment 1 carry out prepare insulated cable B3, except for the difference that, without step 5), i.e. insulated cable i.e. without
Sheath 4.
Comparative example 4
Carry out preparing insulated cable B4 according to the method for embodiment 1, except for the difference that, insulation sleeve 2 is changed to the poly-of equal thickness
Tetrafluoroethene set.
Comparative example 5
Carry out preparing insulated cable B5 according to the method for embodiment 1, except for the difference that, sheath 4 is changed to poly-the four of equal thickness
Fluorothene set.
Comparative example 6
Carry out preparing insulated cable B6 according to the method for embodiment 1, except for the difference that, insulation sleeve 2 is changed to the poly-of equal thickness
Acid imide set.
Comparative example 7
Carry out preparing insulated cable B7 according to the method for embodiment 1, except for the difference that, sheath 4 is changed to the polyamides of equal thickness
Imines set.
Comparative example 8
Carry out preparing insulated cable B8 according to the method for embodiment 1, except for the difference that, housing 3 is changed to the plating of equal thickness
Stannum copper wire set.
Detection example 1
1) detect the above-mentioned insulated cable resistance when 20 DEG C, specifically met and be shown in Table 1；
2) Inundate Voltage Experiment: at least 70 insulated cables are passed through Inundate Voltage Experiment, and lost efficacy after detection test is exhausted
In the radical (n/ root) of edge cable and arbitrary cable, the actual length (l/mm) destroyed, specifically met and was shown in Table 1；
3) forced hydrolysis test: under conditions of 70 ± 2 DEG C, above-mentioned cable is carried out 5000h Inundate Voltage Experiment, detection
Whether cable punctures, and concrete outcome is shown in Table 1.
Table 1
Resistance is the biggest, illustrates that the insulating properties of insulated cable is the best, meanwhile, and the least table of the numerical value of n and l in Inundate Voltage Experiment
The performance of the electric arc of resistance to dry and wet of bright insulated cable is the most excellent, does not punctures and show that insulated cable has excellence in forced hydrolysis test
The performance of anti-highly pressured hydrolysis.
Detection example 2
1) above-mentioned insulated cable is processed under conditions of 290 ± 5 DEG C 6h, then detect its insulating telescopic length (Δ/
Mm), concrete outcome is shown in Table 2；
2) heat shock resistance detection: after above-mentioned insulated cable is processed 4h at 285 ± 5 DEG C, whether detection sheath ftractures, tool
Body the results are shown in Table 2；
3) combustibility detection: for fire 30s, detection flame prolongs combustion length (θ/mm), and concrete outcome is shown in Table 2；
4) high temperature service life detection: above-mentioned insulated cable is carried out at 230 ± 5 DEG C voltage detecting 500h of soaking, so
Whether rear detection sheath damages, and concrete outcome is shown in Table 2；
Table 2
| Δ/mm | θ/mm | Heat shock resistance detects | High temperature service life detects | |
| A1 | 3.09 | 72 | Do not ftracture | Not damaged |
| A2 | 3.05 | 74 | Do not ftracture | Not damaged |
| A3 | 3.08 | 71 | Do not ftracture | Not damaged |
| B1 | 3.12 | 81 | Do not ftracture | Damage |
| B2 | 3.15 | 82 | Do not ftracture | Damage |
| B3 | 3.20 | 83 | Cracking | Damage |
| B4 | 3.13 | 84 | Do not ftracture | Damage |
| B5 | 3.14 | 85 | Cracking | Damage |
| B6 | 3.15 | 80 | Do not ftracture | Damage |
| B7 | 3.14 | 84 | Cracking | Damage |
| B8 | 3.13 | 86 | Do not ftracture | Damage |
In upper table, the least explanation of Δ, the insulating telescopic performance of insulated cable is the best；The least explanation of θ, the resistance of insulated cable
Combustion performance is the best.
Detection example 3
1) cable lamination sealing by fusing detection: above-mentioned insulated cable processes at 230 ± 5 DEG C 6h, detects insulation sleeve, housing
And between sheath, whether there is delamination or segregation phenomenon, concrete outcome is shown in Table 3；
2) insulation sintering detection: the difference Φ/J g between the heat enthalpy value of two melting peaks of detection-1, concrete outcome is shown in Table
3。
Table 3
| Cable lamination sealing by fusing detects | Φ/J·g-1 | |
| A1 | Without delamination/separation | 2.78 |
| A2 | Without delamination/separation | 2.76 |
| A3 | Without delamination/separation | 2.75 |
| B1 | There is delamination | 3.05 |
| B2 | There is segregation phenomenon | 3.10 |
| B3 | There is delamination | 3.12 |
| B4 | There is segregation phenomenon | 3.06 |
| B5 | There is segregation phenomenon | 3.08 |
| B6 | There is delamination | 3.11 |
| B7 | There is delamination | 3.15 |
| B8 | There is segregation phenomenon | 3.12 |
In upper table, Φ is the least, illustrates that the stability of insulated cable is the best.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment
Detail, in the technology concept of the present invention, technical scheme can be carried out multiple simple variant, this
A little simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technical characteristic described in above-mentioned detailed description of the invention, at not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can
The compound mode of energy illustrates the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this
The thought of invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. Aero-Space politef/polyimides combines seamless lapped insulation cable, it is characterised in that include leading
Line (1), insulation sleeve (2), housing (3) and sheath (4), described insulation sleeve (2), housing (3) and sheath (4) depend on from inside to outside
The secondary outside being sheathed on described wire (1)；Wherein, described insulation sleeve (2) and sheath (4) be containing polytetrafluoroethylene film with
The combination body of polyimide composite film, described housing (3) is the body of compound polyimide silk braiding, described multiple
Close polyimides silk contain polyimide fiber tow and be wound in the silver-plated flat copper of described polyimide fiber tow outer surface
Band, described polyimide composite film includes polytetrafluoroethylene film, polyimides and the polytetrafluoro being from top to bottom sequentially overlapped
Vinyl film.
Insulated cable the most according to claim 1, wherein, a diameter of 0.78-0.82mm of described wire (1), described absolutely
The thickness of edge set (2) is 0.15-0.20mm, and the thickness of described housing (3) is 0.10-0.20mm, the thickness of described sheath (4)
For 0.20-0.25mm.
Insulated cable the most according to claim 2, wherein, in described compound polyimide silk, described polyimides is fine
The radius of dimension tow is 0.02-0.05mm, and the thickness of described silver-plated flat copper band is 0.05-0.10mm, described silver-plated flat copper band
The thickness of silver coating is 1-2 μm.
Insulated cable the most according to claim 2, wherein, in described polyimide composite film, along from top to bottom
Order, the weight ratio of described polytetrafluoroethylene film, Kapton and polytetrafluoroethylene film is 0.4-0.6:1:
0.4-0.6。
5. according to the insulated cable described in claim 3 or 4, wherein, on the basis of the area in the cross section, footpath of described insulated cable,
The area in the cross section, footpath of described wire (1) accounts for 80-90%.
Insulated cable the most according to claim 5, wherein, it is stranded silver-plated that described wire (1) includes that multiply is pressed
Copper wire.
Insulated cable the most according to claim 6, wherein, the thickness of the silver coating of described silver-gilt copper wire is 1-2 μm.
8. according to the insulated cable described in claim 6 or 7, wherein, described wire (1) is for pressing stranded forming with one heart.
9. the preparation method of the insulated cable as described in any one in claim 1-8, it is characterised in that including:
1) by polyimide composite film around being wrapped in the outside of described wire (1), then by polytetrafluoroethylene film around being wrapped in
Stating the outside of polyimide composite film, then carrying out high temperature sintering so that forming insulation sleeve the outside of described wire (1)
(2)；
2) carry out compound polyimide silk in the outside of described insulation sleeve (2) weaving to form housing (3)；
3) by polyimide composite film around being wrapped in the outside of described housing (3), then by polytetrafluoroethylene film around being wrapped in
The outside of described polyimide composite film, then carries out high temperature sintering to form sheath (4)；
Wherein, described compound polyimide silk contains polyimide fiber tow and is wound in outside described polyimide fiber tow
The silver-plated flat copper band on surface, described polyimide composite film includes the polytetrafluoroethylene film being from top to bottom sequentially overlapped, gathers
Acid imide and polytetrafluoroethylene film.
Preparation method the most according to claim 9, wherein, described high temperature sintering at least meets following condition: the temperature of sintering
Degree is for 260-350 DEG C, and the speed of sintering is 0.3-0.5m/s.
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| CN107346677A (en) * | 2016-05-06 | 2017-11-14 | 金杯塔牌电缆有限公司 | Light-duty high temperature resistant flat cable and production method |
| CN107103942A (en) * | 2017-05-22 | 2017-08-29 | 淮南文峰航天电缆有限公司 | A kind of Aero-Space ultra-light flat cable wire harness net |
| CN107945937A (en) * | 2017-11-03 | 2018-04-20 | 芜湖航天特种电缆厂股份有限公司 | Light-duty high temperature resistant soft aviation wire |
| CN107945995A (en) * | 2017-11-26 | 2018-04-20 | 安徽宏源特种电缆股份有限公司 | A kind of seamless winding lead of polyimide composite insulated |
| CN109659079B (en) * | 2018-11-02 | 2022-04-05 | 广州凯恒科塑有限公司 | Thin-wall wave-proof sleeve for aerospace and preparation method thereof |
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| CN103390449A (en) * | 2013-07-25 | 2013-11-13 | 广州凯恒特种电线电缆有限公司 | Heat-resistant seamless lapped aviation cable and preparation method thereof |
| CN203931547U (en) * | 2014-03-21 | 2014-11-05 | 北京机电工程研究所 | A kind of aircraft wire and cable |
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