CN114953340A - Process for improving attenuation of butterfly-shaped optical cable and tooling die thereof - Google Patents
Process for improving attenuation of butterfly-shaped optical cable and tooling die thereof Download PDFInfo
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- CN114953340A CN114953340A CN202210534408.1A CN202210534408A CN114953340A CN 114953340 A CN114953340 A CN 114953340A CN 202210534408 A CN202210534408 A CN 202210534408A CN 114953340 A CN114953340 A CN 114953340A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000013307 optical fiber Substances 0.000 claims abstract description 76
- 239000000463 material Substances 0.000 claims abstract description 27
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 24
- 230000002787 reinforcement Effects 0.000 claims description 35
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 description 8
- 239000000835 fiber Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention provides a process for improving the attenuation of a butterfly-shaped optical cable, and also provides a tooling die for improving the attenuation of the butterfly-shaped optical cable, so that the optical fiber is slightly extruded in the cabling process, the attenuation of the optical fiber after cabling is ensured to be small, and the quality of the butterfly-shaped optical cable is ensured. A process for improving attenuation of a butterfly-shaped optical cable comprises the following steps: the upper part and the lower part of the central outlet position of the optical fiber mold core are respectively provided with a reinforcing piece, so that the reinforcing pieces are respectively arranged at the upper position and the lower position of the optical fiber and enter a mold runner, the position of the mold runner, which corresponds to the outlet position of the optical fiber mold core, is a sheath material intersection, the optical fiber and the reinforcing pieces are pulled out from a mold sleeve opening along the linear direction, and the optical fiber and the reinforcing pieces are coated by a sheath to form a butterfly-shaped optical cable; the outlet position of the optical fiber corresponding to the mold core is the convex central point position of the conical table, and the sheath material is converged to the periphery of the optical fiber along the mold flow channel and the conical surface of the conical table and is buffered by the reinforcing parts positioned at the upper part and the lower part in the converging process.
Description
Technical Field
The invention relates to the technical field of presses, in particular to a process for improving the attenuation of a butterfly-shaped optical cable, and further provides a tooling die for improving the attenuation of the butterfly-shaped optical cable.
Background
Along with the acceleration of national modernization construction, the attenuation requirement on optical cables is higher and higher, the existing butterfly optical cable has larger attenuation, although a light-emitting end of the butterfly optical cable sends a signal normally, the receiving end cannot receive a signal at the opposite end due to too large attenuation or receives too weak signal, normal communication cannot be performed, packet loss is serious, even communication is interrupted, especially communication is very important under important conditions such as spontaneous combustion disasters, the search and rescue efficiency can be influenced, and great economic loss and property loss can be caused. Therefore, a process for improving the attenuation of the butterfly-shaped optical cable is urgently needed.
Disclosure of Invention
Aiming at the problems, the invention provides a process for improving the attenuation of a butterfly-shaped optical cable, which ensures that the optical fiber is slightly extruded in the cabling process, ensures that the attenuation of the optical fiber after cabling is small, and ensures the quality of the butterfly-shaped optical cable.
A process for improving the attenuation of a butterfly-shaped optical cable is characterized by comprising the following steps:
the upper part and the lower part of the central outlet position of the optical fiber mold core are respectively provided with a reinforcing piece, so that the reinforcing pieces are respectively arranged at the upper position and the lower position of the optical fiber and enter a mold runner, the position of the mold runner, which corresponds to the outlet position of the optical fiber mold core, is a sheath material intersection, the optical fiber and the reinforcing pieces are pulled out from a mold sleeve opening along the linear direction, and the optical fiber and the reinforcing pieces are coated by a sheath to form a butterfly-shaped optical cable; the outlet position of the optical fiber corresponding to the mold core is the convex central point position of the conical table, and the sheath material is converged to the periphery of the optical fiber along the mold flow channel and the conical surface of the conical table and is buffered by the reinforcing parts positioned at the upper part and the lower part in the converging process.
It is further characterized in that:
the die runner is a cavity formed by splicing a die core and a die sleeve, the die runner is of a structure which is converged from the outer periphery to the center, and the cavity is a space cavity formed by splicing two conical surfaces, so that an inclination angle exists in the flowing and coating process of the sheathing material and the optical fiber, and the impact force and the extrusion force are reduced;
the die sleeve is characterized in that the conical table is screwed in the central hole of the die core in a threaded manner and is arranged in a forward convex manner, an optical fiber through hole penetrates through the central point of the conical table, an upper reinforcement through hole and a lower reinforcement through hole are further formed in the conical table, and the die sleeve opening is arranged in a position corresponding to the front end positive center of the line running of the optical fiber through hole, the upper reinforcement through hole and the lower reinforcement through hole.
The utility model provides an improve frock mould of butterfly-shaped optical cable decay which characterized in that, it includes:
the die sleeve assembly comprises a first die sleeve and a second die sleeve;
and a mold core;
the center area of one end, facing the mold core, of the first mold sleeve is provided with a concave conical cavity, and a mold sleeve opening is formed in the center of the conical cavity;
the outer rings of the opposite end surfaces of the first die sleeve and the second die sleeve are fixedly connected through a die stop lever and a gasket; one end of the second die sleeve, which corresponds to the conical cavity, is provided with a convex conical bulge, and the conical bulge is arranged at intervals in the conical cavity to form a die runner;
the center of the conical bulge is fixedly provided with a mold core, the second mold sleeve faces the mold sleeve opening, the mold core is fixedly inserted into the position of the mold sleeve opening, the mold core faces the end part of the mold sleeve opening and is a conical table, an optical fiber through hole which penetrates through in the axial direction is formed in the center position of the mold core, the optical fiber through hole penetrates through the center and the axial direction of the conical table, the mold core is further provided with an upper reinforcement through hole and a lower reinforcement through hole which penetrate through in the axial direction, and the optical fiber through hole is located between the upper reinforcement through hole and the lower reinforcement through hole.
It is further characterized in that:
a positioning hole is formed in the center of the conical protrusion of the second die sleeve, the die core is fixedly inserted into the positioning hole, the taper of the conical table is the same as that of the outer surface of the conical protrusion, extra resistance is not generated when the sheath material is filled, and the whole structure can be used for performing optical cable cabling operation of other types by replacing the die core;
a plurality of die stop rods are annularly distributed between outer rings of opposite end surfaces of the first die sleeve and the second die sleeve, and an annular gasket is plugged between the opposite end surfaces, so that the spacing distance between the first die sleeve and the second die sleeve is adjustable;
the end face, far away from the first die sleeve, of the second die sleeve is recessed inwards to form a closing-in guide groove, the closing-in guide groove is communicated to the rear axial end face of the die core, and the closing-in guide groove is used for guiding optical fibers and reinforcements to enter;
the front convex top of the conical table is of a planar structure, the aperture of the optical fiber through hole is smaller than the diameter of the front convex top, and the optical fiber through hole enables the sheath material flowing down along the conical surface to be circularly distributed on the periphery of the optical fiber after being turned and buffered to form a sheath.
After the process is adopted, the sheath material enters the die runner through the material inlet positioned on the periphery of the outer ring and is gathered towards the reinforcement and the optical fiber from outside to inside in the radial direction, the reinforcement is arranged at the upper end and the lower end of the optical fiber, the impact force is buffered by the reinforcement at the upper end and the lower end when the sheath material is gathered, so that the impact force is small when the optical fiber is reached, the sheath material is gathered to the periphery of the optical fiber along the die runner and the conical surface of the conical table, and forms an acute angle with the periphery of the optical fiber, the pressure is small, the extrusion on the optical fiber in the cabling process is small, the attenuation of the optical fiber after cabling is small, and the quality of the butterfly optical cable is ensured.
Drawings
FIG. 1 is a front view cross-sectional view of an embodiment of a tooling mold of the present invention;
FIG. 2 is a schematic layout of fiber through hole locations, upper strength member through holes, and lower strength member through holes of a tapered stage according to an embodiment of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
The mold sleeve assembly 10, the first mold sleeve 11, the tapered cavity 111, the second mold sleeve 12, the tapered protrusion 121, the positioning hole 122, the closing guide groove 123, the mold core 20, the mold runner 30, the mold sleeve opening 40, the tapered table 50, the optical fiber through hole 51, the upper reinforcement through hole 52, the lower reinforcement through hole 53, the front convex top 54, the mold stop rod 60, the upper mold stop rod 61, the lower mold stop rod 62, and the gasket 70.
Detailed Description
A process for improving attenuation of a butterfly-shaped optical cable, which is shown in fig. 1: the upper position and the lower position of the central outlet position of the mold core 20 of the optical fiber 100 are respectively provided with the reinforcing parts 200, so that the reinforcing parts 200 are respectively arranged at the upper position and the lower position of the optical fiber 100 and enter the mold runner 30, the outlet position of the mold runner 30 corresponding to the mold core 20 of the optical fiber 100 is a sheath material intersection, the optical fiber 100 and the reinforcing parts 200 are pulled out from the mold sleeve opening 40 along the linear direction, and at the moment, the optical fiber 100 and the reinforcing parts 200 are coated by the sheath to form the butterfly-shaped optical cable; the outlet position of the optical fiber 100 corresponding to the mold core 20 is the position of the outer convex center point of the tapered platform 50, and the sheath material converges to the outer circumference of the optical fiber 100 along the mold runner 30 and the tapered surface of the tapered platform 50 and is buffered by the reinforcing members 200 positioned at the upper part and the lower part in the converging process.
In specific implementation, the mold runner 30 is a cavity formed by splicing the mold core 20 and the mold sleeve 10, the mold runner 30 is a structure converging from the outer periphery to the center, and the cavity is a space cavity formed by splicing two conical surfaces, so that an inclination angle exists in the flowing and coating process of the sheath material and the optical fiber 100, and the impact force and the extrusion force are reduced;
the conical table 50 is fixedly inserted into a positioning hole in the center of the mold core 20, the conical table 50 is arranged in a forward protruding mode, an optical fiber through hole 51 penetrates through the central point of the conical table 50, an upper reinforcement through hole 52 and a lower reinforcement through hole 53 are further formed in the conical table 50, and the mold sleeve opening 40 is arranged in a position corresponding to the front center of the line body operation of the optical fiber through hole 51, the upper reinforcement through hole 52 and the lower reinforcement through hole 53.
A tooling die for improving attenuation of a butterfly-shaped optical cable is shown in figures 1 and 2 and comprises:
a die sleeve assembly 10 comprising a first die sleeve 11, a second die sleeve 12;
and a mold core 20;
a concave conical cavity 111 is arranged in the central area of one end, facing the mold core 20, of the first mold sleeve 11, and a mold sleeve opening 40 is arranged in the central position of the conical cavity 111;
the outer rings of the opposite end surfaces of the first die sleeve 11 and the second die sleeve 12 are fixedly connected through a die stop rod 60 and a gasket 70; one end of the second die sleeve 12 corresponding to the tapered cavity 111 is provided with a convex tapered protrusion 121, and the tapered protrusion 121 is arranged at intervals in the tapered cavity 111 to form a die runner 30;
the center of the conical protrusion 121 is fixedly provided with a mold core 20, the position of the second mold sleeve 12 facing the mold sleeve opening 40 is fixedly inserted with the mold core 20, the end part of the mold core 20 facing the mold sleeve opening is a conical table 50, the central position of the mold core 20 is provided with an optical fiber through hole 51 which axially penetrates through, the optical fiber through hole 51 penetrates through the center of the conical table 50 and is axially arranged, the mold core 20 is further provided with an upper reinforcement through hole 52 and a lower reinforcement through hole 53 which axially penetrate through, and the optical fiber through hole 51 is positioned between the upper reinforcement through hole 52 and the lower reinforcement through hole 53.
In specific implementation, the outlets of the upper reinforcement through hole 52 and the lower reinforcement through hole 53 are positioned on the conical surface of the conical table 50;
a positioning hole 122 is formed in the center of the conical protrusion 121 of the second die sleeve 12, the die core 20 is fixedly inserted into the positioning hole 122, the taper of the conical table 50 is the same as the taper of the outer surface of the conical protrusion 121, so that extra resistance cannot be generated when sheath materials are filled, and the cable-forming operation of optical cables of other types can be performed by replacing the die core 20 in the whole structure;
the front convex top 54 of the conical table 50 is of a plane structure, the aperture of the optical fiber through hole 51 is smaller than the diameter of the front convex top 54, and therefore the sheath material flowing down along the conical surface is enabled to change direction and buffer and then is annularly distributed on the periphery of the optical fiber to form a sheath;
a plurality of die stop rods 60 are annularly distributed between outer rings of opposite end surfaces of the first die sleeve 11 and the second die sleeve 12, and an annular gasket is plugged between the opposite end surfaces, so that the spacing distance between the first die sleeve 11 and the second die sleeve 12 is adjustable;
the end face of the second die sleeve 12 far away from the first die sleeve 11 is recessed inwards to form a closing-in guide groove 123, the closing-in guide groove 123 is communicated to the axial rear end face of the die core 20, and the closing-in guide groove 123 is used for guiding the optical fiber 100 and the reinforcing piece 200 to enter, so that convenience is brought to practical operation of production personnel.
In specific implementation, the die sleeve opening 40 is arranged in a manner of copying the outer sheath of the butterfly-shaped optical cable, the die core 20 is made of a high wear-resistant tungsten steel material, the surface is smooth and wear-resistant, the outlet position of the conical optical fiber through hole 51 of the die core 20 is blocked and protected by the reinforcing piece 200, so that the sheath material is buffered by the reinforcing piece 200 and then sheathed on the optical fiber 100, the extrusion of the sheath material on the optical fiber is reduced in the production process, the loss of the optical fiber in production is reduced, and the attenuation is qualified; the outlet of the strength member hole is located on the conical slope surface of the mold core 20, so that the extrusion stress of the strength member 200 on the optical fiber 100 is reduced; the optical fiber through hole 51 is arranged at the center of the foremost end of the conical table 50 of the mold core 20, so that the optical fiber 100 is not directly contacted with a sheathing material in production; the front convex top 54 of the conical table 50 of the mold core 20 is of a plane structure, the aperture of the optical fiber through hole 51 is smaller than the diameter of the front convex top 54, and the top is of a platform shape, so that the extrusion pressure of the sheath material in production can be balanced; the mold runner 30 formed by combining the first mold sleeve 11 and the second mold sleeve 12 is in a slope shape, so that the stability of extrusion molding is ensured; the die sleeve opening 40 of the first die sleeve 11 is made of high wear-resistant tungsten steel, so that the service life of the die is prolonged;
an upper die stop rod 61 and a lower die stop rod 62 are annularly distributed between outer rings of opposite end surfaces of the first die sleeve 11 and the second die sleeve 12, the diameters of the upper die stop rod 61 and the lower die stop rod 62 are different, the upper and lower positions of the die sleeves are prevented from being reversely installed, and a foolproof effect is achieved;
the thickness of the gasket 70 is adjusted according to production requirements, and the distance between the top of the mold core 20 and the first mold sleeve 11 can be adjusted at any time;
the working principle is as follows: the sheath material enters into the mould runner through the pan feeding mouth that is located the outer ring week, radial from outside to inside towards the reinforcement, optic fibre assembles, because the upper end and the lower extreme of optic fibre all are provided with the reinforcement, the reinforcement buffering impact force through upper end and lower extreme when the sheath material assembles, and then its impact force is very little when reaching optic fibre, and the sheath material assembles the periphery of optic fibre along the conical surface of mould runner and toper platform, its and the periphery of optic fibre form an acute angle, its pressure is little, it makes the extrusion that optic fibre received at the stranding in-process little, ensure that the decay of optic fibre after the stranding is little, guarantee the quality of butterfly-shaped optical cable.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (8)
1. A process for improving the attenuation of a butterfly-shaped optical cable is characterized by comprising the following steps:
the upper part and the lower part of the central outlet position of the optical fiber mold core are respectively provided with a reinforcing piece, so that the reinforcing pieces are respectively arranged at the upper position and the lower position of the optical fiber and enter a mold runner, the position of the mold runner, which corresponds to the outlet position of the optical fiber mold core, is a sheath material intersection, the optical fiber and the reinforcing pieces are pulled out from a mold sleeve opening along the linear direction, and the optical fiber and the reinforcing pieces are coated by a sheath to form a butterfly-shaped optical cable; the outlet position of the optical fiber corresponding to the mold core is the convex central point position of the conical table, and the sheath material is converged to the periphery of the optical fiber along the mold flow channel and the conical surface of the conical table and is buffered by the reinforcing parts positioned at the upper part and the lower part in the converging process.
2. The process of claim 1, wherein the process comprises: the die runner is a cavity formed by splicing a die core and a die sleeve, the die runner is of a structure which is converged from the outer periphery to the center, and the cavity is a space cavity formed by splicing two conical surfaces, so that the flowing coating process of the sheathing material and the optical fiber have inclination angles.
3. The process of claim 1, wherein the process comprises: the die sleeve is characterized in that the conical table is screwed in the central hole of the die core in a threaded manner and is arranged in a forward convex manner, an optical fiber through hole penetrates through the central point of the conical table, an upper reinforcement through hole and a lower reinforcement through hole are further formed in the conical table, and the die sleeve opening is arranged in a position corresponding to the front end positive center of the line running of the optical fiber through hole, the upper reinforcement through hole and the lower reinforcement through hole.
4. The utility model provides an improve frock mould of butterfly-shaped optical cable decay which characterized in that, it includes:
the die sleeve assembly comprises a first die sleeve and a second die sleeve;
and a mold core;
the center area of one end, facing the mold core, of the first mold sleeve is provided with a concave conical cavity, and a mold sleeve opening is formed in the center of the conical cavity;
the outer rings of the opposite end surfaces of the first die sleeve and the second die sleeve are fixedly connected through a die stop lever and a gasket; one end of the second die sleeve, which corresponds to the conical cavity, is provided with a convex conical bulge, and the conical bulge is arranged at intervals in the conical cavity to form a die runner;
the center of the conical bulge is fixedly provided with a mold core, the second mold sleeve faces the mold sleeve opening, the mold core is fixedly inserted into the position of the mold sleeve opening, the mold core faces the end part of the mold sleeve opening and is a conical table, an optical fiber through hole which penetrates through in the axial direction is formed in the center position of the mold core, the optical fiber through hole penetrates through the center and the axial direction of the conical table, the mold core is further provided with an upper reinforcement through hole and a lower reinforcement through hole which penetrate through in the axial direction, and the optical fiber through hole is located between the upper reinforcement through hole and the lower reinforcement through hole.
5. The tooling die for improving the attenuation of the butterfly-shaped optical cable in claim 4, wherein: the central position of the conical bulge of the second die sleeve is provided with a positioning hole, the die core is fixedly inserted in the positioning hole, and the taper of the conical table is the same as that of the outer surface of the conical bulge.
6. The tooling die for improving the attenuation of the butterfly-shaped optical cable in claim 4, wherein: a plurality of die stop rods are annularly distributed between outer rings of opposite end surfaces of the first die sleeve and the second die sleeve, and an annular gasket is arranged between the opposite end surfaces in a plugging mode.
7. The tooling die for improving the attenuation of the butterfly-shaped optical cable in claim 4, wherein: the end face, far away from the first die sleeve, of the second die sleeve is recessed inwards to form a closing-in guide groove, the closing-in guide groove is communicated to the position of the axial rear end face of the die core, and the closing-in guide groove is used for guiding optical fibers and reinforcing pieces to enter.
8. The tooling die for improving the attenuation of the butterfly-shaped optical cable in claim 4, wherein: the front convex top of the conical table is of a plane structure, and the aperture of the optical fiber through hole is smaller than the diameter of the front convex top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534408.1A CN114953340A (en) | 2022-05-17 | 2022-05-17 | Process for improving attenuation of butterfly-shaped optical cable and tooling die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534408.1A CN114953340A (en) | 2022-05-17 | 2022-05-17 | Process for improving attenuation of butterfly-shaped optical cable and tooling die thereof |
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| CN114953340A true CN114953340A (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210534408.1A Pending CN114953340A (en) | 2022-05-17 | 2022-05-17 | Process for improving attenuation of butterfly-shaped optical cable and tooling die thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625868A (en) * | 2022-09-23 | 2023-01-20 | 四川天邑康和通信股份有限公司 | Butterfly-shaped optical cable apparatus for producing |
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| CN212860366U (en) * | 2020-08-04 | 2021-04-02 | 长飞光纤光缆深圳有限公司 | Circular cable extrusion molding die with parallel reinforcing parts |
| CN214872552U (en) * | 2021-06-11 | 2021-11-26 | 成都亨通光通信有限公司 | Pressure-adjustable butterfly cable die |
| CN215813479U (en) * | 2021-08-18 | 2022-02-11 | 宁波韩电通信科技有限公司 | Replaceable mould with guide groove for optical cable |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115625868A (en) * | 2022-09-23 | 2023-01-20 | 四川天邑康和通信股份有限公司 | Butterfly-shaped optical cable apparatus for producing |
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