CN106098255A - Production technology is connected in the middle of a kind of 10kV crosslinked cable shrinkage - Google Patents
Production technology is connected in the middle of a kind of 10kV crosslinked cable shrinkage Download PDFInfo
- Publication number
- CN106098255A CN106098255A CN201610545225.4A CN201610545225A CN106098255A CN 106098255 A CN106098255 A CN 106098255A CN 201610545225 A CN201610545225 A CN 201610545225A CN 106098255 A CN106098255 A CN 106098255A
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- China
- Prior art keywords
- glue
- mould
- injecting glue
- injecting
- production technology
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
- H01B13/145—Pretreatment or after-treatment
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Processing Of Terminals (AREA)
Abstract
The invention discloses and connect production technology in the middle of a kind of 10kV crosslinked cable shrinkage, comprise the following steps: S1: the mould that centre connects is preheated on vulcanizing press；S2: adjust the injection pressure of glue-injecting pump A, B group glue, pumped in blender, and mould by two groups of sizing materials of A, B simultaneously, and control flow velocity and the injecting glue time of sizing material, the gum exudation mouth of mould has sizing material to stop injecting glue after overflowing；S3: judge that injecting glue is the most complete；After S4: injecting glue is complete, adjusting curing temperature and the time of mould, vulcanize, take out product after sulfuration terminates, stop heating, cleaning mould, the injecting glue carrying out next mould prepares；S5: after the product produced is carried out deburring, polishing cleaning, carry out post-cure, be cooled to room temperature, obtain final products.The production technology that the present invention proposes, simple to operate, production cost is low, and the product reactance voltage impulse force of production is big, and expansion multiple is high, electric property and good mechanical property.
Description
Technical field
The present invention relates to power cable field, particularly relate to connect production technology in the middle of a kind of 10kV crosslinked cable shrinkage.
Background technology
The production raw material of 10kV crosslinked cable is fluid silicone rubber, and fluid silicone rubber is divided into domestic and imported two kind
Type, the good fluidity of import sizing material, required cure time is short, and mechanical performance and insulating properties after injecting glue molding are the most domestic
Good, but production cost is higher, it is commonly three times of domestic sizing material, and the electrical resistance that domestic sizing material is after traditional handicraft injecting glue molding
Can be poor with mechanical performance.
Summary of the invention
The invention aims to solve shortcoming present in prior art, and a kind of 10kV crosslinked cable proposed is cold
Production technology is connected in the middle of contracting.
Connect production technology in the middle of a kind of 10kV crosslinked cable shrinkage, comprise the following steps:
S1: the mould that centre connects is preheated on vulcanizing press；
S2: the injection pressure of glue-injecting pump A group glue and glue-injecting pump B group glue is adjusted to 125～150kg/cm simultaneously2, open
Two groups of sizing materials of A, B are pumped into blender simultaneously, then pump in mould by rubber injecting valve, and control flow velocity and injecting glue time, the mould of sizing material
The gum exudation mouth of tool closes rapidly rubber injecting valve after having sizing material slowly to overflow, stop injecting glue；
S3: judge that injecting glue is the most complete；
After S4: injecting glue is complete, adjusts curing temperature and the cure time of mould, vulcanize, after sulfuration terminates, mould
Automatically opening up taking-up product, stop heating, clear up mould, the injecting glue carrying out next mould prepares；
S5: the product produced is carried out deburring, after polishing cleans, is placed in baking oven, oven temperature is controlled 90～
95 DEG C carry out post-cure 2 hours after take out, naturally cool to room temperature, obtain final products.
Preferably, preheating temperature in described S1 step is 112～117 DEG C, and optimum preheating temperature is 115 DEG C.
Preferably, in described S2 step the flow speed control of sizing material 0.2～0.4m/s.
Preferably, the described injecting glue time is 270s.
Preferably, described injecting glue determination methods completely be observe gum exudation mouth overflow glue stop time whether in 2 seconds,
If overflowing in 2 seconds, glue stops, and is judged as that injecting glue is complete, otherwise is then judged as that injecting glue is incomplete.
Preferably, the curing temperature in described S4 step is 125 DEG C.
Preferably, the cure time in described S4 step is 1170s.
Connecting production technology in the middle of a kind of 10kV crosslinked cable shrinkage that the present invention proposes, simple to operate, production cost is low,
The product electric property produced according to this technique and good mechanical property, reactance voltage impulse force is big, and high temperature shelf depreciation is little, expands multiple
Greatly, pore size is little.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is explained orally further.
Embodiment one
Connect production technology in the middle of a kind of 10kV crosslinked cable shrinkage that the present invention proposes, comprise the following steps:
S1: preheated on vulcanizing press by the mould that centre connects, preheating temperature is 115 DEG C；
S2: the injection pressure of glue-injecting pump A group glue and glue-injecting pump B group glue is adjusted to 125kg/cm simultaneously2, open injecting glue
Two groups of sizing materials of A, B are pumped into blender simultaneously, then pump in mould by valve, and the flow velocity controlling sizing material is 0.3m/s, the injecting glue time
For 270s, the gum exudation mouth of mould is closed rapidly rubber injecting valve, is stopped injecting glue after having sizing material slowly to overflow；
S3: judge that injecting glue is the most complete；
After S4: injecting glue is complete, the curing temperature adjusting mould is 125 DEG C, and cure time is 1170s, vulcanizes, and treats sulfur
Changing after terminating, mould automatically opens up taking-up product, stops heating, clears up mould, and the injecting glue carrying out next mould prepares；
S5: after the product produced is carried out deburring, polishing cleaning, be placed in baking oven, oven temperature controlled at 95 DEG C
Take out after carrying out post-cure 2 hours, naturally cool to room temperature, obtain final products.
Embodiment two
Connect production technology in the middle of a kind of 10kV crosslinked cable shrinkage that the present invention proposes, comprise the following steps:
S1: preheated on vulcanizing press by the mould that centre connects, preheating temperature is 117 DEG C；
S2: the injection pressure of glue-injecting pump A group glue and glue-injecting pump B group glue is adjusted to 150kg/cm simultaneously2, open injecting glue
Two groups of sizing materials of A, B are pumped into blender simultaneously, then pump in mould by valve, and the flow velocity controlling sizing material is 0.4m/s, the injecting glue time
For 270s, the gum exudation mouth of mould is closed rapidly rubber injecting valve, is stopped injecting glue after having sizing material slowly to overflow；
S3: judge that injecting glue is the most complete；
After S4: injecting glue is complete, the curing temperature adjusting mould is 125 DEG C, and cure time is 1170s, vulcanizes, and treats sulfur
Changing after terminating, mould automatically opens up taking-up product, stops heating, clears up mould, and the injecting glue carrying out next mould prepares；
S5: after the product produced is carried out deburring, polishing cleaning, be placed in baking oven, oven temperature controlled at 90 DEG C
Take out after carrying out post-cure 2 hours, naturally cool to room temperature, obtain final products.
Embodiment three
Connect production technology in the middle of a kind of 10kV crosslinked cable shrinkage that the present invention proposes, comprise the following steps:
S1: preheated on vulcanizing press by the mould that centre connects, preheating temperature is 112 DEG C；
S2: the injection pressure of glue-injecting pump A group glue and glue-injecting pump B group glue is adjusted to 125kg/cm simultaneously2, open injecting glue
Two groups of sizing materials of A, B are pumped into blender simultaneously, then pump in mould by valve, and the flow velocity controlling sizing material is 0.2m/s, the injecting glue time
For 270s, the gum exudation mouth of mould is closed rapidly rubber injecting valve, is stopped injecting glue after having sizing material slowly to overflow；
S3: judge that injecting glue is the most complete；
After S4: injecting glue is complete, the curing temperature adjusting mould is 125 DEG C, and cure time is 1170s, vulcanizes, and treats sulfur
Changing after terminating, mould automatically opens up taking-up product, stops heating, clears up mould, and the injecting glue carrying out next mould prepares；
S5: after the product produced is carried out deburring, polishing cleaning, be placed in baking oven, oven temperature controlled at 93 DEG C
Take out after carrying out post-cure 2 hours, naturally cool to room temperature, obtain final products.
In the present invention, described injecting glue determination methods completely be observe gum exudation mouth overflow glue stop time whether at 2 seconds
In, if the glue that overflow in 2 seconds stops, it is judged as that injecting glue is complete, otherwise is then judged as that injecting glue is incomplete.
The performance test results of the product that embodiment one～three produces is as follows:
| Title | Embodiment one | Embodiment two | Embodiment three | Traditional handicraft |
| High temperature impact voltage | 110kV | 110kV | 110kV | 100kV |
| Surge voltage | 110kV | 110kV | 110kV | 100kV |
| Power-frequency voltage | 65kV | 65kV | 60kV | 55kV |
| High temperature shelf depreciation | ＜ 0.6 | ＜ 0.6 | ＜ 0.7 | ＜ 0.8 |
| Spreading rate | 6 times | 6 times | 6 times | 5 times |
| Pore size | ≤50μm | ≤55μm | ≤50μm | ≤75μm |
Connecting production technology in the middle of a kind of 10kV crosslinked cable shrinkage that the present invention proposes, simple to operate, production cost is low,
The product electric property produced according to this technique and good mechanical property, reactance voltage impulse force is big, and high temperature shelf depreciation is little, expands multiple
Greatly, pore size is little.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope that the invention discloses, according to technical scheme and
Inventive concept equivalent or change in addition, all should contain within protection scope of the present invention.
Claims (7)
1. connect production technology in the middle of a 10kV crosslinked cable shrinkage, it is characterised in that comprise the following steps:
S1: the mould that centre connects is preheated on vulcanizing press；
S2: the injection pressure of glue-injecting pump A group glue and glue-injecting pump B group glue is adjusted to 125～150kg/cm simultaneously2, open injecting glue
Two groups of sizing materials of A, B are pumped into blender simultaneously, then pump in mould by valve, and control flow velocity and the injecting glue time of sizing material, mould
Gum exudation mouth closes rapidly rubber injecting valve after having sizing material slowly to overflow, stop injecting glue；
S3: judge that injecting glue is the most complete；
After S4: injecting glue is complete, adjusting curing temperature and the cure time of mould, vulcanize, after sulfuration terminates, mould is automatic
Opening taking-up product, stop heating, clear up mould, the injecting glue carrying out next mould prepares；
S5: after the product produced is carried out deburring, polishing cleaning, be placed in baking oven, oven temperature controlled at 90～95 DEG C
Take out after carrying out post-cure 2 hours, naturally cool to room temperature, obtain final products.
Production technology is connected, it is characterised in that described in the middle of a kind of 10kV crosslinked cable shrinkage the most according to claim 1
Preheating temperature in S1 step is 112～117 DEG C, and optimum preheating temperature is 115 DEG C.
Production technology is connected, it is characterised in that described in the middle of a kind of 10kV crosslinked cable shrinkage the most according to claim 1
In S2 step, the flow speed control of sizing material is 0.2～0.4m/s.
Production technology is connected, it is characterised in that described in the middle of a kind of 10kV crosslinked cable shrinkage the most according to claim 1
The injecting glue time is 270s.
Production technology is connected, it is characterised in that described in the middle of a kind of 10kV crosslinked cable shrinkage the most according to claim 1
Injecting glue determination methods completely be observe gum exudation mouth overflow glue stop time whether in 2 seconds, if in 2 seconds overflow glue stop
Then it is judged as that injecting glue is complete, otherwise is then judged as that injecting glue is incomplete.
Production technology is connected, it is characterised in that described in the middle of a kind of 10kV crosslinked cable shrinkage the most according to claim 1
Curing temperature in S4 step is 125 DEG C.
Production technology is connected, it is characterised in that described in the middle of a kind of 10kV crosslinked cable shrinkage the most according to claim 1
Cure time in S4 step is 1170s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545225.4A CN106098255A (en) | 2016-06-24 | 2016-06-24 | Production technology is connected in the middle of a kind of 10kV crosslinked cable shrinkage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610545225.4A CN106098255A (en) | 2016-06-24 | 2016-06-24 | Production technology is connected in the middle of a kind of 10kV crosslinked cable shrinkage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106098255A true CN106098255A (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610545225.4A Pending CN106098255A (en) | 2016-06-24 | 2016-06-24 | Production technology is connected in the middle of a kind of 10kV crosslinked cable shrinkage |
Country Status (1)
| Country | Link |
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| CN (1) | CN106098255A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492923A (en) * | 2017-11-06 | 2018-09-04 | 湖北航天电缆有限公司 | A kind of cable and CA cable assembly |
| CN114388198A (en) * | 2022-02-11 | 2022-04-22 | 深圳市海泓鑫科技有限公司 | Welding process for parallel use of multiple cables |
| CN115706397A (en) * | 2021-08-12 | 2023-02-17 | 中国石油天然气集团有限公司 | Preparation method of underground cable head and underground cable head |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001138382A (en) * | 1999-11-10 | 2001-05-22 | Hitachi Cable Ltd | Method for manufacturing teflon cable and device therefor |
| CN1458711A (en) * | 2002-05-16 | 2003-11-26 | 福州中能电力设备有限公司 | Cable joint and its producing method |
| CN102054546A (en) * | 2009-10-27 | 2011-05-11 | 北京科力恒久电力技术股份有限公司 | Preparation method for rubber cable connector |
| CN102185274A (en) * | 2011-01-04 | 2011-09-14 | 江苏远航电缆附件有限公司 | 110KV intermediate head and production process thereof |
-
2016
- 2016-06-24 CN CN201610545225.4A patent/CN106098255A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001138382A (en) * | 1999-11-10 | 2001-05-22 | Hitachi Cable Ltd | Method for manufacturing teflon cable and device therefor |
| CN1458711A (en) * | 2002-05-16 | 2003-11-26 | 福州中能电力设备有限公司 | Cable joint and its producing method |
| CN102054546A (en) * | 2009-10-27 | 2011-05-11 | 北京科力恒久电力技术股份有限公司 | Preparation method for rubber cable connector |
| CN102185274A (en) * | 2011-01-04 | 2011-09-14 | 江苏远航电缆附件有限公司 | 110KV intermediate head and production process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108492923A (en) * | 2017-11-06 | 2018-09-04 | 湖北航天电缆有限公司 | A kind of cable and CA cable assembly |
| CN115706397A (en) * | 2021-08-12 | 2023-02-17 | 中国石油天然气集团有限公司 | Preparation method of underground cable head and underground cable head |
| CN115706397B (en) * | 2021-08-12 | 2024-05-28 | 中国石油天然气集团有限公司 | Preparation method of underground cable head and underground cable head |
| CN114388198A (en) * | 2022-02-11 | 2022-04-22 | 深圳市海泓鑫科技有限公司 | Welding process for parallel use of multiple cables |
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Application publication date: 20161109 |
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