CN115745567A - Electric porcelain bushing forming process - Google Patents
Electric porcelain bushing forming process Download PDFInfo
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- CN115745567A CN115745567A CN202211146592.9A CN202211146592A CN115745567A CN 115745567 A CN115745567 A CN 115745567A CN 202211146592 A CN202211146592 A CN 202211146592A CN 115745567 A CN115745567 A CN 115745567A
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- electric porcelain
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- porcelain bushing
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- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 127
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000002002 slurry Substances 0.000 claims abstract description 51
- 239000002994 raw material Substances 0.000 claims abstract description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 18
- 230000010355 oscillation Effects 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 239000006148 magnetic separator Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 11
- 238000000498 ball milling Methods 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 9
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052845 zircon Inorganic materials 0.000 claims abstract description 8
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 7
- 239000002131 composite material Substances 0.000 claims abstract description 7
- 239000010433 feldspar Substances 0.000 claims abstract description 7
- 238000011049 filling Methods 0.000 claims abstract description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims abstract description 7
- 229920002545 silicone oil Polymers 0.000 claims abstract description 7
- 238000005303 weighing Methods 0.000 claims abstract description 7
- 239000012212 insulator Substances 0.000 claims description 54
- 238000000465 moulding Methods 0.000 claims description 17
- 238000003756 stirring Methods 0.000 claims description 12
- 238000010304 firing Methods 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 8
- 238000003825 pressing Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000012216 screening Methods 0.000 claims description 5
- 230000002950 deficient Effects 0.000 claims description 2
- 230000002431 foraging effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 2
- 230000032683 aging Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 238000005498 polishing Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/60—Production of ceramic materials or ceramic elements, e.g. substitution of clay or shale by alternative raw materials, e.g. ashes
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- Insulating Bodies (AREA)
Abstract
The invention discloses an electric porcelain bushing forming process, which comprises the following steps: s1: preparing mud; s101: selecting 30 parts of kaolin, 5 parts of Jiepai mud, 1 part of feldspar powder, 20 parts of industrial alumina, 5 parts of zircon and 12 parts of silicone oil in parts by mass; s102: weighing raw materials, sequentially placing the raw materials in a ball mill for ball milling to ensure that the fineness of slurry is 180-260 meshes, uniformly mixing the raw materials, placing the slurry with the composite requirement in a cool and dry place, and ageing for more than 30 days in a low-oxygen environment; s2: and respectively placing the aged and rotten slurry in a filling hopper and carrying out iron removal treatment by a permanent magnet drum type magnetic separator. Through changing the manufacturing process, when the electric porcelain bushing is prepared, low-frequency oscillation is carried out when a die is molded, and meanwhile, the electric porcelain bushing is pressed when the electric porcelain bushing is prepared, so that bubbles in the electric porcelain bushing can be removed, and the service life of the electric porcelain bushing is prolonged.
Description
Technical Field
The invention relates to the technical field of electric porcelain insulator, in particular to a forming process of an electric porcelain insulator.
Background
Electric power is an energy source using electric energy as power, wherein during the use of electric power, an electric porcelain cross arm insulator is generally used, the electric porcelain cross arm insulator is a rod-shaped porcelain piece and is installed on an electric pole to support a lead, so that the electric porcelain cross arm insulator can play a role in insulating the lead from the ground and playing a role in a cross arm, and when the voltage level is higher, the requirement on the mechanical strength of the cross arm insulator is high.
At present, fuse porcelain bushing adopts mould injection moulding, and injection moulding technology requires very high to the pug plasticity, and in addition, the process of moulding plastics, produces the bubble easily in the pug, and causes fashioned product to burn inside a lot of gas pockets appear after, seriously influences the quality of product, because the difficult discovery of product internal quality defect, consequently, causes the finished product qualification rate of burning till to be no more than 60%, thereby, has reduced production efficiency, has improved manufacturing cost.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a molding process of an electric porcelain bushing.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a molding process of an electric porcelain insulator comprises the following steps:
s1: preparing mud:
s101: selecting 30-40 parts of kaolin, 5-10 parts of Jiepai mud, 1-4 parts of feldspar powder, 20-30 parts of industrial alumina, 5-10 parts of zircon and 12-15 parts of silicone oil by mass;
s102: weighing raw materials, sequentially placing the raw materials in a ball mill for ball milling, uniformly mixing the raw materials, and placing the slurry with the composite requirement for aging for more than 30 days;
s2: respectively placing the aged and rotten slurry in a filling hopper, carrying out iron removal treatment by a magnetic separator, and then placing the slurry in a stirrer for stirring and mixing;
s3: screening the slurry stirred in the step S2 by using 200-mesh and 260-mesh screens respectively to remove large-particle raw materials and impurities which are not completely ball-milled, and then controlling the water content of the treated slurry to be 20-25%;
s4: then pouring the slurry treated in the step S3 into a mold of the electric porcelain insulator, and fully forming the slurry in the mold through low-frequency oscillation and removing air bubbles in the slurry;
s5: then pressing the die in S4 to form the electric porcelain sleeve, taking out the pressed electric porcelain sleeve, and performing hole digging treatment on the electric porcelain sleeve to form the electric porcelain sleeve at one time;
s6: detecting the once-formed electric porcelain insulator, and removing defective products;
s7: performing power frequency electric drying on the electric porcelain bushing in the step S6 until the moisture content of the insulator mud blank is between 0.8 and 1.2 percent;
s8: glazing the electric porcelain bushing in the step S7 to enable the surface to be uniformly covered with a layer of glaze, and then scattering sand grains at the joint of the hardware fitting and the electric porcelain bushing;
s9: and firing the glazed electric porcelain sleeve for 40 hours, taking out the fired product for cooling, and finishing the manufacture of the electric porcelain sleeve.
Preferably, the magnetic separator in S2 is a permanent magnet drum magnetic separator, the rotating speed of the drum is 25-30r/min, the rotating speed of the stirrer is 350-450r/min, and the stirring time is 50-70min.
Preferably, in S102, the fineness of the slurry after ball milling is 180-260 mesh.
Preferably, the die in S4 is placed on an oscillator and is oscillated at a low frequency of 10 to 15Hz.
Preferably, the mesh number of the sand grains in the S8 is 25-60 meshes.
Preferably, in S6, the comparison of the drawings of the electric porcelain bushing formed in one step is required to be compared and detected, and meanwhile, the electric porcelain bushing formed in one step is required to be polished.
Preferably, the S102 is preserved in a cool and dry place and in a low-oxygen environment.
Preferably, the hole digging treatment in the step S5 is carried out according to different drawings of the electric porcelain insulator.
(III) advantageous effects
Compared with the prior art, the invention provides a molding process of an electric porcelain bushing, which has the following beneficial effects:
1. according to the forming process of the electric porcelain sleeve, the manufacturing process is changed, when the electric porcelain sleeve is prepared, low-frequency oscillation is carried out on a mold in the forming process, meanwhile, the pressing is carried out in the preparation process, air bubbles in the electric porcelain sleeve can be removed, and the service life of the electric porcelain sleeve is prolonged.
2. According to the forming process of the electric porcelain insulator, the zircon and the industrial alumina are added into the preparation process and mixed to prepare the mud of the mud blank of the electric porcelain insulator, so that the strength of the electric porcelain insulator is improved, the damage rate of the electric porcelain insulator during working is reduced, and the probability of damage of the electric porcelain insulator is reduced.
3. According to the forming process of the electric porcelain insulator, the iron content in the slurry can be reduced through the iron removal process in the prepared slurry, so that the insulating capability of the electric porcelain insulator is improved.
4. This electric porcelain insulator forming technology carries out one-time molding through obtaining electric porcelain insulator to the preparation, just punches the processing in the mud embryo stage to prevent the condition of fracture when firing, thereby improve the yields, reduction in production cost's purpose.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a molding process of an electric porcelain insulator comprises the following steps:
s1: preparing mud:
s101: selecting 30 parts of kaolin, 5 parts of Jiepai mud, 1 part of feldspar powder, 20 parts of industrial alumina, 5 parts of zircon and 12 parts of silicone oil in parts by mass;
s102: weighing raw materials, sequentially placing the raw materials in a ball mill for ball milling to ensure that the fineness of slurry is 180-260 meshes, uniformly mixing the raw materials, placing the slurry with the composite requirement in a cool and dry place, and ageing for more than 30 days in a low-oxygen environment;
s2: placing the aged mud in a filling hopper respectively and carrying out iron removal treatment by a permanent magnet drum magnetic separator, wherein the rotating speed of a drum is 25-30r/min, the rotating speed of a stirrer is 350-450r/min, and the stirring time is 50-70min, and then placing the mud in the stirrer for stirring and mixing;
s3: sieving the slurry stirred in the S2 by using 200-mesh and 260-mesh sieves respectively to remove large-particle raw materials and impurities which are not completely subjected to ball milling, and then controlling the water content of the treated slurry to be 20-25%;
s4: pouring the slurry treated in the step S3 into a mold of the electric porcelain insulator, placing the mold on an oscillator, carrying out low-frequency oscillation with the oscillation frequency of 10-15Hz, and fully forming the slurry in the mold and removing air bubbles in the mold through the low-frequency oscillation;
s5: then pressing the die in S4 to form the electric porcelain sleeve, taking out the pressed electric porcelain sleeve, and performing hole digging treatment on the electric porcelain sleeve according to different drawings of the electric porcelain sleeve to form the electric porcelain sleeve at one time;
s6: detecting the once-formed electric porcelain insulator, removing inferior-quality products by comparing and detecting the once-formed electric porcelain insulator with a reference drawing, and simultaneously polishing the once-formed electric porcelain insulator;
s7: performing power frequency electric drying on the electric porcelain bushing in the step S6 until the moisture content of the insulator mud blank is between 0.8 and 1.2 percent;
s8: glazing the electric porcelain bushing in the step S7 to enable the surface to be uniformly covered with a layer of glaze, and then scattering sand grains with the mesh number of 25-60 meshes at the joint of the hardware fitting and the electric porcelain bushing;
s9: and firing the glazed electric porcelain sleeve for 40 hours, taking out the fired product for cooling, and finishing the manufacture of the electric porcelain sleeve.
The second embodiment:
a molding process of an electric porcelain insulator comprises the following steps:
s1: preparing mud:
s101: selecting 33 parts of kaolin, 7 parts of Jiepai mud, 2 parts of feldspar powder, 23 parts of industrial alumina, 7 parts of zircon and 13 parts of silicone oil by mass;
s102: weighing raw materials, sequentially placing the raw materials in a ball mill for ball milling to ensure that the fineness of slurry is 180-260 meshes, uniformly mixing the raw materials, placing the slurry with the composite requirement in a cool and dry place, and ageing for more than 30 days in a low-oxygen environment;
s2: placing the aged mud in a filling hopper respectively and carrying out iron removal treatment by a permanent magnet drum magnetic separator, wherein the rotating speed of a drum is 25-30r/min, the rotating speed of a stirrer is 350-450r/min, and the stirring time is 50-70min, and then placing the mud in the stirrer for stirring and mixing;
s3: screening the slurry stirred in the step S2 by using 200-mesh and 260-mesh screens respectively to remove large-particle raw materials and impurities which are not completely ball-milled, and then controlling the water content of the treated slurry to be 20-25%;
s4: pouring the slurry treated in the step S3 into a mold of the electric porcelain insulator, placing the mold on an oscillator, carrying out low-frequency oscillation with the oscillation frequency of 10-15Hz, and fully forming the slurry in the mold and removing air bubbles in the mold through the low-frequency oscillation;
s5: then pressing the die in S4 to form the electric porcelain sleeve, taking out the pressed electric porcelain sleeve, and performing hole digging treatment on the electric porcelain sleeve according to different drawings of the electric porcelain sleeve to form the electric porcelain sleeve at one time;
s6: detecting the once-formed electric porcelain insulator, removing inferior-quality products by comparing and detecting the once-formed electric porcelain insulator with a reference drawing, and simultaneously polishing the once-formed electric porcelain insulator;
s7: performing power frequency electric drying on the electric porcelain bushing in the step S6 until the moisture content of the insulator mud blank is between 0.8 and 1.2 percent;
s8: glazing the electric porcelain bushing in the step S7 to enable the surface to be uniformly covered with a layer of glaze, and then scattering sand grains with the mesh number of 25-60 meshes at the joint of the hardware fitting and the electric porcelain bushing;
s9: and firing the glazed electric porcelain sleeve for 40 hours, taking out the fired product for cooling, and finishing the manufacture of the electric porcelain sleeve.
Example three:
a molding process of an electric porcelain insulator comprises the following steps:
s1: preparing mud:
s101: selecting 37 parts of kaolin, 8 parts of Jiepai mud, 3 parts of feldspar powder, 27 parts of industrial alumina, 8 parts of zircon and 14 parts of silicone oil in parts by mass;
s102: weighing raw materials, sequentially placing the raw materials in a ball mill for ball milling to ensure that the fineness of slurry is 180-260 meshes, uniformly mixing the raw materials, placing the slurry with the composite requirement in a cool and dry place, and ageing for more than 30 days in a low-oxygen environment;
s2: placing the aged and decayed slurry in a filling hopper respectively, carrying out iron removal treatment by a permanent magnet drum magnetic separator, wherein the rotating speed of a drum is 25-30r/min, the rotating speed of a stirrer is 350-450r/min, and the stirring time is 50-70min, and then placing the slurry in the stirrer for stirring and mixing;
s3: screening the slurry stirred in the step S2 by using 200-mesh and 260-mesh screens respectively to remove large-particle raw materials and impurities which are not completely ball-milled, and then controlling the water content of the treated slurry to be 20-25%;
s4: pouring the slurry treated in the step S3 into a mold of the electric porcelain insulator, placing the mold on an oscillator, carrying out low-frequency oscillation with the oscillation frequency of 10-15Hz, and fully forming the slurry in the mold and removing air bubbles in the mold through the low-frequency oscillation;
s5: then pressing the die in S4 to form the electric porcelain sleeve, taking out the pressed electric porcelain sleeve, and performing hole digging treatment on the electric porcelain sleeve according to different drawings of the electric porcelain sleeve to form the electric porcelain sleeve at one time;
s6: detecting the once-formed electric porcelain insulator, removing inferior-quality products by comparing and detecting the once-formed electric porcelain insulator with a reference drawing, and simultaneously polishing the once-formed electric porcelain insulator;
s7: performing power frequency electric drying on the electric porcelain bushing in the step S6 until the moisture content of the insulator mud blank is between 0.8 and 1.2 percent;
s8: glazing the electric porcelain bushing in the step S7 to enable the surface to be uniformly covered with a layer of glaze, and then scattering sand grains with the mesh number of 25-60 meshes at the joint of the hardware fitting and the electric porcelain bushing;
s9: and then firing the glazed electric porcelain sleeve, controlling the firing time to be 40 hours, taking out the fired product for cooling, and finishing the manufacture of the electric porcelain sleeve.
Example four:
a molding process of an electric porcelain insulator comprises the following steps:
s1: preparing mud:
s101: selecting 40 parts of kaolin, 10 parts of Jiepai mud, 4 parts of feldspar powder, 30 parts of industrial alumina, 10 parts of zircon and 15 parts of silicone oil by mass;
s102: weighing raw materials, sequentially placing the raw materials in a ball mill for ball milling to ensure that the fineness of slurry is 180-260 meshes, uniformly mixing the raw materials, placing the slurry with the composite requirement in a cool and dry place, and ageing for more than 30 days in a low-oxygen environment;
s2: placing the aged and decayed slurry in a filling hopper respectively, carrying out iron removal treatment by a permanent magnet drum magnetic separator, wherein the rotating speed of a drum is 25-30r/min, the rotating speed of a stirrer is 350-450r/min, and the stirring time is 50-70min, and then placing the slurry in the stirrer for stirring and mixing;
s3: screening the slurry stirred in the step S2 by using 200-mesh and 260-mesh screens respectively to remove large-particle raw materials and impurities which are not completely ball-milled, and then controlling the water content of the treated slurry to be 20-25%;
s4: pouring the slurry treated in the step S3 into a mold of the electric porcelain insulator, placing the mold on an oscillator, carrying out low-frequency oscillation with the oscillation frequency of 10-15Hz, and fully forming the slurry in the mold and removing air bubbles in the mold through the low-frequency oscillation;
s5: then pressing the die in S4 to form the electric porcelain sleeve, taking out the pressed electric porcelain sleeve, and performing hole digging treatment on the electric porcelain sleeve according to different drawings of the electric porcelain sleeve to form the electric porcelain sleeve at one time;
s6: detecting the once-formed electric porcelain insulator, removing inferior-quality products by comparing and detecting the once-formed electric porcelain insulator with a reference drawing, and simultaneously polishing the once-formed electric porcelain insulator;
s7: performing power frequency electric drying on the electric porcelain bushing in the step S6 until the moisture content of the insulator mud blank is between 0.8 and 1.2 percent;
s8: glazing the electric porcelain bushing in the step S7 to enable the surface to be uniformly covered with a layer of glaze, and then scattering sand grains with the mesh number of 25-60 meshes at the joint of the hardware fitting and the electric porcelain bushing;
s9: and firing the glazed electric porcelain sleeve for 40 hours, taking out the fired product for cooling, and finishing the manufacture of the electric porcelain sleeve.
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 (8)
1. The molding process of the electric porcelain insulator is characterized by comprising the following steps:
s1: mud making
S101: selecting 30-40 parts of kaolin, 5-10 parts of Jiepai mud, 1-4 parts of feldspar powder, 20-30 parts of industrial alumina, 5-10 parts of zircon and 12-15 parts of silicone oil by mass;
s102: weighing raw materials, sequentially placing the raw materials in a ball mill for ball milling, uniformly mixing the raw materials, and placing the slurry with the composite requirement for aging for more than 30 days;
s2: respectively placing the aged and rotten slurry in a filling hopper, carrying out iron removal treatment by a magnetic separator, and then placing the slurry in a stirrer for stirring and mixing;
s3: screening the slurry stirred in the step S2 by using 200-mesh and 260-mesh screens respectively to remove large-particle raw materials and impurities which are not completely ball-milled, and then controlling the water content of the treated slurry to be 20-25%;
s4: then pouring the slurry treated in the step S3 into a mold of the electric porcelain insulator, and fully forming the slurry in the mold through low-frequency oscillation and removing air bubbles in the slurry;
s5: then pressing the die in S4 to form the electric porcelain sleeve, taking out the pressed electric porcelain sleeve, and performing hole digging treatment on the electric porcelain sleeve to form the electric porcelain sleeve at one time;
s6: detecting the once-formed electric porcelain insulator, and removing defective products;
s7: performing power frequency electric drying on the electric porcelain bushing in the step S6 until the moisture content of the insulator mud blank is between 0.8 and 1.2 percent;
s8: glazing the electric porcelain bushing in the step S7 to enable the surface to be uniformly covered with a layer of glaze, and then scattering sand grains at the joint of the hardware fitting and the electric porcelain bushing;
s9: and firing the glazed electric porcelain sleeve for 40 hours, taking out the fired product for cooling, and finishing the manufacture of the electric porcelain sleeve.
2. The molding process of the electric porcelain insulator according to claim 1, which is characterized in that: the magnetic separator in the S2 is a permanent magnet drum magnetic separator, the rotating speed of a drum is 25-30r/min, the rotating speed of a stirrer is 350-450r/min, and the stirring time is 50-70min.
3. The molding process of the electric porcelain insulator according to claim 1, which is characterized in that: in the step S102, the fineness of the slurry after ball milling treatment is 180-260 meshes.
4. The molding process of the electric porcelain insulator according to claim 1, which is characterized in that: and the die in the S4 is placed on an oscillator to carry out low-frequency oscillation, wherein the oscillation frequency is 10-15Hz.
5. The molding process of the electric porcelain bushing according to claim 1, wherein: the mesh number of the sand grains in the S8 is 25-60 meshes.
6. The molding process of the electric porcelain insulator according to claim 1, which is characterized in that: in S6, the comparison of the drawing paper of the once-formed electric porcelain sleeve is required to be compared and detected, and meanwhile, the once-formed electric porcelain sleeve is required to be polished.
7. The molding process of the electric porcelain insulator according to claim 1, which is characterized in that: when the material is aged in the step S102, the material needs to be placed in a cool and dry place and is in a low-oxygen environment.
8. The molding process of the electric porcelain bushing according to claim 1, wherein: and in the step S5, hole digging is carried out according to different drawings of the electric porcelain insulator.
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| CN202211146592.9A CN115745567A (en) | 2022-09-21 | 2022-09-21 | Electric porcelain bushing forming process |
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| CN202211146592.9A CN115745567A (en) | 2022-09-21 | 2022-09-21 | Electric porcelain bushing forming process |
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