CN114002796A - Large-core optical cable based on cable core with double-layer stranded structure and forming process thereof - Google Patents
Large-core optical cable based on cable core with double-layer stranded structure and forming process thereof Download PDFInfo
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- CN114002796A CN114002796A CN202111500184.4A CN202111500184A CN114002796A CN 114002796 A CN114002796 A CN 114002796A CN 202111500184 A CN202111500184 A CN 202111500184A CN 114002796 A CN114002796 A CN 114002796A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/4436—Heat resistant
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/44384—Means specially adapted for strengthening or protecting the cables the means comprising water blocking or hydrophobic materials
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
Abstract
The invention discloses a large-core optical cable based on a cable core with a double-layer stranded structure and a forming process thereof. According to the invention, a purpose-made bidirectional twisting disc with an internal gear is adopted for cabling and twisting of cable cores, an inner layer twisted sleeve is placed on the inner layer, an outer layer twisted sleeve is placed on the outer layer, and the inner and outer layer sleeves are simultaneously twisted and formed at one time by using gear transmission, so that the cable core is different from the traditional double-layer twisted cable core in that an inner layer cable core is firstly produced and then an outer layer cable core is twisted, the inner and outer layer twisting and one-time forming process of the process improves the production efficiency, and meanwhile, the cable core adopts a 1+4+10 or 0+4+10 structure which is different from the traditional 1+6+12 or 1+9+15 structure and the like, so that the optical cable has better bending performance, reduces the outer diameter of the optical cable, and improves the construction efficiency.
Description
Technical Field
The invention relates to the technical field of communication optical cables, in particular to a large-core optical cable based on a cable core with a double-layer stranded structure and a forming process thereof.
Background
Through laying the pipeline optical cable, realize the transmission of signal, because the constantly promotion of 5G construction at present, the scene of optical cable pipeline construction is more and more, leads to pipeline resource shortage and the scarce and traditional big core number optical cable production cycle of pipeline optical cable long, transport the difficulty, the external diameter is too big, in addition on the one hand because traditional double-deck twist structure cable core need adopt twice transposition technology low in production efficiency, to sum up considers design this kind of big core number double-deck twist structure cable core one shot forming technology and big core number optical cable.
The conventional device has the following disadvantages: according to the traditional double-layer stranded structure, a cabling process firstly needs to be carried out on a central reinforcing piece and an inner-layer sleeve SZ to obtain an inner-layer cable core, then the inner-layer cable core is used as a central element and is secondarily stranded with an outer-layer sleeve to obtain a double-layer stranded cable core, so that the optical cable core is formed, and the defects of long production cycle, difficulty in conveying and overlarge outer diameter of a large-core optical cable are caused by the production mode.
Disclosure of Invention
The invention aims to provide a large-core optical cable based on a cable core with a double-layer stranded structure and a forming process thereof, so as to solve the problems mentioned in the background.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a big core optical cable based on double-deck transposition structure cable core, includes the optical cable body, strengthens protection component, the optical cable body is by cable core, water blocking layer, wrinkle steel band and oversheath, the water blocking layer laminating cover is established outside the cable core, it establishes in the water blocking layer outside to strengthen protection component correspondence cover, the wrinkle steel band corresponds the parcel cover and establishes in strengthening protection component outside, oversheath parcel cover is established in the wrinkle steel band outside.
As a further preferred of this technical scheme, the cable core comprises multiunit sinle silk, line cream, multiunit yarn and two sets of reinforcements that block water, and the multiunit sinle silk is the level distribution in the cable core, and the multiunit sinle silk is 1+4+10 structure distribution in the cable core, the yarn interval distribution that blocks water is between each sinle silk, the reinforcements symmetric distribution is in the cable core, the line cream is filled between each sinle silk.
As a further preferred aspect of the present technical solution, the reinforcing members are distributed corresponding to the wire cores, and the reinforcing members are made of a metal material.
As a further preferred mode of the technical solution, the cable core is composed of a plurality of groups of optical fiber monomers, fiber paste and a loose tube, the plurality of groups of optical fiber monomers are circularly twisted, the loose tube is sleeved outside the plurality of groups of optical fiber monomers, and the fiber paste is distributed between the optical fiber monomers and the loose tube.
As further preferred of this technical scheme, strengthen protection component and block layer and flexible buffer layer including fire prevention fire-retardant layer, high temperature, the layer parcel cover is blocked at the water blocking layer outside to the high temperature, flexible buffer layer parcel cover is established at the high temperature and is blocked the layer outside, fire prevention fire-retardant layer parcel cover is established at the flexible buffer layer outside.
As a further preferred of this technical scheme, fire prevention fire-retardant layer specifically adopts natural rubber to make, the layer is specifically adopted stainless steel to make to block in the high temperature, flexible buffer layer specifically adopts the silica gel material to make.
As a further preferable mode of the present invention, the loose tube is made of a new secondary coating material, and the loose tube is made of short glass fiber reinforced PBT.
A molding process of a large-core optical cable based on a cable core with a double-layer stranded structure,
the method comprises the following steps:
s1, optical fiber raw material preselection: firstly, selecting materials with corresponding components and diameters for later use according to actual application requirements, and simultaneously, pre-cleaning the optical fiber raw materials by using a static electricity remover;
s2, optical fiber coloring: conveying the optical fiber raw materials selected in the step S1 to a corresponding coloring mold for coloring treatment, then entering an ultraviolet curing furnace for rapid curing, and then performing wire arranging process for later use through a wire take-up device;
s3, secondary plastic coating: extruding the PBT material from a head of an extruding machine, feeding the extruded PBT material into a hot water tank, converting a viscous flow state into a high-elastic state when the PBT material is fused, and then drawing and stretching the PBT material to the required outer diameter and wall thickness of the PBT bundle pipe by a stretching device for later use;
s4, primary double-layer cabling: cabling is carried out on the loose tube in a bundled mode through SZ stranding, then sheathing is carried out, the cable core is placed in the center, and a layer of polyethylene material is extruded to form the optical cable;
the cabling process is improved by a twisting disc, a transmission structure is adopted, an inner steering bead moves simultaneously in the rotation process of the twisting disc to enable an inner layer twisting disc and an outer layer twisting disc to move in opposite directions synchronously and realize SZ twisting, sleeves are placed in the twisting discs respectively to realize inner and outer layering of the sleeves, the sleeves are placed in a twisting table to be subjected to SZ twisting simultaneously, cabling cores of double-layer structures are formed simultaneously by controlling the twisting speed, and a layer of polyethylene material is extruded to form the optical cable;
s5, outer sheath extrusion: the outer sheath and the cable core are co-extruded by the head of the plastic extruding machine, so that the whole processing period is shortened;
s6, storing the optical cable in a storage: and (4) checking and warehousing the processed and formed optical cable for later use after surface detection and cleaning.
As a further preferred aspect of the present invention, the cabling machine used in S4 is a special device for producing cable cores, and is mainly used for cabling and twisting of optical cable cores.
As a further preferred feature of the present invention, the sleeve loosening step in S3 is to optimize the tension setting by modifying the existing extrusion die, and the sleeve is 1-tube 12-48 core structure.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention has the advantages that the twisting production needs to be realized in two steps compared with the traditional optical cable inner-layer cable core and outer-layer cable core, the one-step forming process of the inner-layer cable core and the outer-layer cable core is realized by utilizing the bidirectional twisting disc with the internal gear, the synchronous twisting replaces the batch twisting of the inner-layer cable and the outer-layer cable in the conventional optical cable sleeve twisting process, the production time of the double-layer twisted cable core is reduced, and the production efficiency setting is improved;
2. according to the invention, the number of each tube core of the loose tube is increased from the traditional 6-12 cores to 24 cores or even more than 48 cores, so that the outer diameter of the cable core can be reduced, the optical fiber density of the optical cable can be improved, the 1+4+10 or 0+4+10 structure is different from the traditional 1+6+12 or 1+9+15 structure and the like, so that the optical cable has better bending performance, the outer diameter of the optical cable is reduced, the construction efficiency is improved, meanwhile, the material used by the loose tube is the side pressure resistance and the compression resistance of the short glass fiber reinforced PBT tube, and the fracture strength of the reinforced optical cable can be improved;
3. according to the invention, the special bidirectional twisting disc with the internal gear is adopted for stranding the cable cores, the inner layer is provided with the inner-layer twisted sleeve, the outer layer is provided with the outer-layer twisted sleeve, and the inner-layer sleeve and the outer-layer sleeve are simultaneously twisted and molded at one time by using gear transmission.
Drawings
FIG. 1 is an overall front view of a large core optical cable based on a cable core with a double-layer stranded structure and a forming process thereof;
FIG. 2 is a schematic diagram of a large-core optical cable based on a cable core with a double-layer stranded structure and a cable core forming process thereof;
FIG. 3 is a schematic structural view of a large core optical cable based on a cable core with a double-layer stranded structure and a reinforced protection assembly of a forming process of the large core optical cable;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 2 of a large core optical cable based on a cable core with a double-layer twisted structure and a forming process thereof;
FIG. 5 is a process flow diagram of a large core optical cable based on a cable core with a double-layer twisted structure and a forming process thereof;
FIG. 6 is a schematic diagram of a large core optical cable based on a cable core with a double-layer stranded structure and a stranding platform structure of a forming process thereof;
FIG. 7 is a schematic view of an overall structure of a large core optical cable based on a cable core with a double-layer stranded structure and a stranded disc of a forming process of the large core optical cable;
fig. 8 is a schematic diagram of an internal structure of a large-core optical cable based on a cable core with a double-layer stranded structure and a stranded disc of a forming process of the large-core optical cable.
In the figure: 1. an optical cable body; 2. a cable core; 3. a water resistant layer; 4. a corrugated steel strip; 5. an outer sheath; 6. a wire core; 7. ointment for knitting; 8. water-blocking yarn; 9. a reinforcement; 10. an optical fiber monomer; 11. fiber paste; 12. loosening the sleeve; 13. a fire resistant and flame retardant layer; 14. a high temperature blocking layer; 15. a flexible buffer layer.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a big core optical cable based on double-deck transposition structure cable core, includes optical cable body 1, strengthens protection component, optical cable body 1 is by cable core 2, water blocking layer 3, wrinkle steel band 4 and oversheath 5, 3 laminating covers of water blocking layer are established in 2 outsides of cable core, it establishes in 3 outsides of water blocking layer to strengthen protection component corresponding cover, wrinkle steel band 4 corresponds the parcel cover and establishes in strengthening protection component outsides, oversheath 5 parcel cover is established in 4 outsides of wrinkle steel band.
In this embodiment, it is specific, cable core 2 comprises multiunit sinle silk 6, line cream 7, multiunit yarn 8 and two sets of reinforcements 9 that block water, and multiunit sinle silk 6 is the level distribution in cable core 2, and multiunit sinle silk 6 is 1+4+10 structure distribution in cable core 2, the yarn 8 interval that blocks water distributes between each sinle silk 6, reinforcements 9 symmetric distribution is in cable core 2, line cream 7 is filled between each sinle silk 6.
In this embodiment, specifically, the reinforcing members 9 are distributed corresponding to the wire cores 6, and the reinforcing members 9 are made of a metal material.
In this embodiment, specifically, the core 6 is composed of a plurality of groups of optical fiber monomers 10, a fiber paste 11 and a loose tube 12, the plurality of groups of optical fiber monomers 10 are circularly twisted, the loose tube 12 is sleeved outside the plurality of groups of optical fiber monomers 10, and the fiber paste 11 is distributed between the optical fiber monomers 10 and the loose tube 12.
In this embodiment, it is specific, strengthen the protection component and block layer 14 and flexible buffer layer 15 including fire prevention fire-retardant layer 13, high temperature, layer 14 parcel cover is blocked to high temperature is established in the 3 outsides of water blocking layer, layer 14 outsides are blocked to flexible buffer layer 15 parcel cover, the fire prevention fire-retardant layer 13 parcel cover is established in the 15 outsides of flexible buffer layer.
In this embodiment, specifically, the fireproof flame-retardant layer 13 is specifically made of natural rubber, the high-temperature blocking layer 14 is specifically made of stainless steel, and the flexible buffer layer 15 is specifically made of silica gel.
In this embodiment, the loose tube 12 is made of a new secondary coating material, and the loose tube 12 is made of short glass fiber reinforced PBT.
Example 2
Referring to fig. 4-8, a process for forming a large core optical cable based on a cable core with a double-layer stranded structure,
the method comprises the following steps:
s1, optical fiber raw material preselection: firstly, selecting materials with corresponding components and diameters for later use according to actual application requirements, and simultaneously, pre-cleaning the optical fiber raw materials by using a static electricity remover;
s2, optical fiber coloring: conveying the optical fiber raw materials selected in the step S1 to a corresponding coloring mold for coloring treatment, then entering an ultraviolet curing furnace for rapid curing, and then performing wire arranging process for later use through a wire take-up device;
s3, secondary plastic coating: extruding the PBT material from a head of an extruding machine, feeding the extruded PBT material into a hot water tank, converting a viscous flow state into a high-elastic state when the PBT material is fused, and then drawing and stretching the PBT material to the required outer diameter and wall thickness of the PBT bundle pipe by a stretching device for later use;
s4, primary double-layer cabling: cabling is carried out on the loose tube in a bundled mode through SZ stranding, then sheathing is carried out, the cable core is placed in the center, and a layer of polyethylene material is extruded to form the optical cable;
the cabling process is improved by a twisting disc, a transmission structure is adopted, an inner steering bead moves simultaneously in the rotation process of the twisting disc to enable an inner layer twisting disc and an outer layer twisting disc to move in opposite directions synchronously and realize SZ twisting, sleeves are placed in the twisting discs respectively to realize inner and outer layering of the sleeves, the sleeves are placed in a twisting table to be subjected to SZ twisting simultaneously, cabling cores of double-layer structures are formed simultaneously by controlling the twisting speed, and a layer of polyethylene material is extruded to form the optical cable;
s5, outer sheath extrusion: the outer sheath and the cable core are co-extruded by the head of the plastic extruding machine, so that the whole processing period is shortened;
s6, storing the optical cable in a storage: and (4) checking and warehousing the processed and formed optical cable for later use after surface detection and cleaning.
In this embodiment, specifically, the cabling machine used in S4 is a special device for producing cable cores, and is mainly used for cabling and twisting of optical cable cores.
In this embodiment, specifically, the procedure of loosening the sleeve 12 in S3 optimizes the tension setting by modifying the existing extrusion die, and the sleeve adopts a 1-tube 12-48 core structure.
The working principle is as follows: when in use, the cable core 2 of the optical cable body 1 adopts double-layer stranding, the number of each tube core of the sleeve is increased from 6-12 cores to 24 cores or even more than 48 cores, the outer diameter of the cable core 2 can be reduced, and the optical fiber density of the optical cable can be improved, the optical cable has better bending property and tensile property by using the 1+4+10 or 0+4+10 structure which is different from the traditional 1+6+12 or 1+9+15 structure and the like, the outer diameter of the optical cable is reduced, the construction efficiency is improved, the construction rapidity is improved, the pipeline resources are saved, meanwhile, the loose sleeve 12 adopts short glass fiber reinforced PBT, the bending, side pressure and compression resistance of the sleeve are improved, the problem that the optical cable with a large core number and a simple structure is easy to be damaged is solved, water blocking yarns 8 and reinforcing pieces 9 are distributed in the cable core 2, the flexibility of the optical cable is improved, the reinforcing and protecting component is arranged, the fireproof and flame-retardant layer 13 is arranged, realized the fire prevention processing to optical cable body 1, avoid spreading fast of inside and outside fire source, the damaged area has been reduced, block under the cooperation on layer 14 simultaneously at high temperature, can block the high temperature that situation such as burning produced, avoid high temperature etc. to lead to the fact the damage to 2 insides of cable core, the life of optical cable body 1 has been prolonged, simultaneously under the assistance of flexible buffer layer 15, can carry out flexible absorption to the expend with heat and contract with cold volume of 2 insides of cable core, optical cable body 1's good user state has been guaranteed, the security in the use of optical cable body 1 has been strengthened.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a big core optical cable based on double-deck transposition structure cable core, a serial communication port, include cable body (1), strengthen protection component, cable body (1) is by cable core (2), water blocking layer (3), wrinkle steel band (4) and oversheath (5), water blocking layer (3) laminating cover is established in cable core (2) outside, it establishes in water blocking layer (3) outside to strengthen protection component correspondence cover, wrinkle steel band (4) correspond the parcel cover and establish in strengthening protection component outside, oversheath (5) parcel cover is established in wrinkle steel band (4) outside.
2. The large-core optical cable based on the cable core with the double-layer stranded structure as claimed in claim 1, wherein: the cable core (2) comprises multiunit sinle silk (6), line cream (7), multiunit yarn (8) and two sets of reinforcement (9) that block water, and multiunit sinle silk (6) are the level distribution in cable core (2), and multiunit sinle silk (6) are 1+4+10 structural distribution in cable core (2), yarn (8) interval distribution that blocks water is between each sinle silk (6), reinforcement (9) symmetric distribution is in cable core (2), line cream (7) are filled between each sinle silk (6).
3. The large-core optical cable based on the cable core with the double-layer stranded structure as claimed in claim 2, wherein: the reinforcing pieces (9) are distributed corresponding to the wire cores (6), and the reinforcing pieces (9) are made of metal materials.
4. The large-core optical cable based on the cable core with the double-layer stranded structure as claimed in claim 2, wherein: the optical fiber cable is characterized in that the cable core (6) is composed of multiple groups of optical fiber monomers (10), fiber paste (11) and loose tubes (12), the multiple groups of optical fiber monomers (10) are circularly stranded, the loose tubes (12) are sleeved outside the multiple groups of optical fiber monomers (10), and the fiber paste (11) is distributed between the optical fiber monomers (10) and the loose tubes (12).
5. The large-core optical cable based on the cable core with the double-layer stranded structure as claimed in claim 1, wherein: strengthen protection component and block layer (14) and flexible buffer layer (15) including fire-retardant layer (13), high temperature of preventing, layer (14) parcel cover is blocked to high temperature and is established in water blocking layer (3) outsidely, flexible buffer layer (15) parcel cover is established in high temperature and is blocked layer (14) outsidely, fire-retardant layer (13) parcel cover of preventing is established in flexible buffer layer (15) outsidely.
6. The large-core optical cable based on the cable core with the double-layer stranded structure as claimed in claim 5, wherein: the fire-retardant layer of fire prevention (13) specifically adopts natural rubber to make, high temperature blocks layer (14) and specifically adopts stainless steel material to make, flexible buffer layer (15) specifically adopts the silica gel material to make.
7. The large-core optical cable based on the cable core with the double-layer stranded structure as claimed in claim 4, wherein: the loose tube (12) is made of a new secondary coating material, and the loose tube (12) is made of short glass fiber reinforced PBT.
8. The process for forming the large-core optical cable based on the cable core with the double-layer stranded structure according to any one of claims 1 to 7, wherein: the method comprises the following steps:
s1, optical fiber raw material preselection: firstly, selecting materials with corresponding components and diameters for later use according to actual application requirements, and simultaneously, pre-cleaning the optical fiber raw materials by using a static electricity remover;
s2, optical fiber coloring: conveying the optical fiber raw materials selected in the step S1 to a corresponding coloring mold for coloring treatment, then entering an ultraviolet curing furnace for rapid curing, and then performing wire arranging process for later use through a wire take-up device;
s3, secondary plastic coating: extruding the PBT material from a head of an extruding machine, feeding the extruded PBT material into a hot water tank, converting a viscous flow state into a high-elastic state when the PBT material is fused, and then drawing and stretching the PBT material to the required outer diameter and wall thickness of the PBT bundle pipe by a stretching device for later use;
s4, primary double-layer cabling: cabling is carried out on the loose tube in a bundled mode through SZ stranding, then sheathing is carried out, the cable core is placed in the center, and a layer of polyethylene material is extruded to form the optical cable;
the cabling process is improved by a twisting disc, a transmission structure is adopted, an inner steering bead moves simultaneously in the rotation process of the twisting disc to enable an inner layer twisting disc and an outer layer twisting disc to move in opposite directions synchronously and realize SZ twisting, sleeves are placed in the twisting discs respectively to realize inner and outer layering of the sleeves, the sleeves are placed in a twisting table to be subjected to SZ twisting simultaneously, cabling cores of double-layer structures are formed simultaneously by controlling the twisting speed, and a layer of polyethylene material is extruded to form the optical cable;
s5, outer sheath extrusion: the outer sheath and the cable core are co-extruded by the head of the plastic extruding machine, so that the whole processing period is shortened;
s6, storing the optical cable in a storage: and (4) checking and warehousing the processed and formed optical cable for later use after surface detection and cleaning.
9. The forming process of the large-core optical cable based on the double-layer stranded structure cable core according to claim 8, wherein the forming process comprises the following steps: the cabling machine used in the S4 is special equipment for producing cable cores and is mainly used for cabling and stranding of the cable cores of optical cables.
10. The forming process of the large-core optical cable based on the double-layer stranded structure cable core according to claim 8, wherein the forming process comprises the following steps: the sleeve loosening procedure in S3 optimizes tension settings by modifying existing extrusion dies, and the sleeve adopts a 1-tube 12-48 core structure.
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| CN202111500184.4A CN114002796A (en) | 2021-12-09 | 2021-12-09 | Large-core optical cable based on cable core with double-layer stranded structure and forming process thereof |
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| CN202111500184.4A CN114002796A (en) | 2021-12-09 | 2021-12-09 | Large-core optical cable based on cable core with double-layer stranded structure and forming process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117130118A (en) * | 2023-10-25 | 2023-11-28 | 深圳市亨东光电有限公司 | Large-core-number optical cable stranded wire device |
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2021
- 2021-12-09 CN CN202111500184.4A patent/CN114002796A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117130118A (en) * | 2023-10-25 | 2023-11-28 | 深圳市亨东光电有限公司 | Large-core-number optical cable stranded wire device |
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