CN116766655A - Novel giant tire retreading method - Google Patents
Novel giant tire retreading method Download PDFInfo
- Publication number
- CN116766655A CN116766655A CN202310706861.0A CN202310706861A CN116766655A CN 116766655 A CN116766655 A CN 116766655A CN 202310706861 A CN202310706861 A CN 202310706861A CN 116766655 A CN116766655 A CN 116766655A
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- CN
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- Prior art keywords
- tire
- retreading
- rubber
- tread
- giant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000007689 inspection Methods 0.000 claims abstract description 21
- 238000003801 milling Methods 0.000 claims abstract description 8
- 230000006378 damage Effects 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 230000008439 repair process Effects 0.000 claims description 29
- 238000004073 vulcanization Methods 0.000 claims description 14
- 238000005498 polishing Methods 0.000 claims description 13
- 238000012360 testing method Methods 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 206010052428 Wound Diseases 0.000 claims description 9
- 208000027418 Wounds and injury Diseases 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 4
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 3
- 238000003490 calendering Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000002950 deficient Effects 0.000 claims description 3
- 239000004519 grease Substances 0.000 claims description 3
- 238000000227 grinding Methods 0.000 claims description 3
- 230000002427 irreversible effect Effects 0.000 claims description 3
- 238000009659 non-destructive testing Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000011179 visual inspection Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010058031 Joint adhesion Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003204 osmotic effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/54—Retreading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/54—Retreading
- B29D2030/541—Abrading the tyre, e.g. buffing, to remove tread and/or sidewalls rubber, to prepare it for retreading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
- B29D30/54—Retreading
- B29D2030/546—Measuring, detecting, monitoring, inspecting, controlling
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Tires In General (AREA)
Abstract
The invention provides a novel giant tire retreading method, and relates to the technical field of tire retreading. The new method for retreading the giant tire comprises the following steps: s1, preliminary inspection, S2, milling: exposing the carcass, S3, repairing the tire, S4, building the tire, S5, vulcanizing the tire, S6, and finally checking. The tire retreading method comprises the following steps of milling, tire repairing, building and vulcanizing, is simple and rapid, can prolong the service life of the tire, reduces the cost in the retreading process, can avoid secondary damage to the tire in the tire vulcanizing process, simultaneously performs primary inspection before tire retreading, judges whether the tire can be subjected to subsequent retreading, and reduces the reject risk of the tire body when entering the primary inspection of a retreading workshop.
Description
Technical Field
The invention relates to the technical field of tire retreading, in particular to a novel giant tire retreading method.
Background
For the tire man, many wearing and tearing are not big, but the tire that is abandoned by the people is very painful thing, and the stress that the tire born when the ore-handling car is on the road is inhomogeneous, leads to the wound to spread, because air, the osmotic power of water is strong, with the wound infiltration steel wire layer of tire under the washing of rainwater or snow water, makes the steel wire layer oxidized, corrosion, rupture rapidly, with the tread rubber gradually separate, thereby makes the wound constantly increase, deepens. If not timely repaired, localized stripping, chipping, and until scrapping of the tire is caused, but the presence of the retreaded tire gives the tire a "second life", which includes removal of the original worn tread and replacement of the new tread, which can behave very similarly to an equivalent new tire.
Through searching, the prior patent (publication number: CN 110962383A) discloses a method for retreading a tire. The technology increases the butt joint adhesion area of the joint through oblique cutting, increases the tensile resistance, but has large integral process difficulty coefficient and is more complicated, the vulcanized temperature can cause secondary damage to the tire in the retreading vulcanization process, meanwhile, the pressure resistance and the maximum bearing temperature of the retreaded tire cannot be detected, and the use risk of the retreaded tire after being put into use is increased. Accordingly, a new method for retreading a giant tire is provided by those skilled in the art to solve the above-mentioned problems.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a novel giant tire retreading method, which consists of milling, tire repair, construction and vulcanization, and has the advantages of simple and quick retreading method, prolonged service life of the tire, reduced cost in the retreading process and capability of avoiding secondary damage to the tire in the tire vulcanization process.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: a method of retreading a new giant tire comprising the steps of:
s1, preliminary inspection
1) Detecting whether the tire is subjected to any repair or not, and avoiding the occurrence of a third retreading of one tire;
2) Detecting whether the tire can be retreaded;
s2, milling: exposing the carcass
Removing the residual tread rubber, endowing the tread cap and the tire shoulder of the tire body with the required profile, and endowing the processed surface with the required roughness;
s3, tire repair
Tire repair includes grinding, dust removal, spraying rubber solution and filling;
s4, tire construction
Selecting between unvulcanized rubber (wrapped with laminated strips, preformed or calendered tape), preformed tread (using a precured flat tread band, segmented tread or annular tread);
s5, tire vulcanization
Vulcanizing the tire with the surface tightly attached to the inner and outer packaging sleeves;
s6, finally checking
The tire is finally inspected, wherein defective or unsatisfactory repairs require retreading.
Preferably, during the preliminary inspection of step S1, in which it is checked that the tire is not allowed to be retreaded, the toe-opening steel wire is exposed or deformed, damaged by the greasy substances, solvents or corrosive products, the damage being outside the repair area specified by the manufacturer and/or exceeding the maximum limit allowed by the manufacturer of the repair product.
Preferably, in the step S1 preliminary inspection, wherein detecting whether the tire can be retreaded includes: deep inspection (visual inspection, touching the carcass) and nondestructive testing (ultrasonic testing, laser speckle, scanning, X-ray).
Preferably, the tire repair in step S3 includes the steps of:
s1, polishing
Removing any unnecessary objects (embedded stones and the like), cleaning any wounds affecting the rubber of the tire or the steel wire of the carcass, rough polishing the tire by a polisher, and then carrying out fine polishing by a polishing wheel held by a worker;
s2, dust removal
Removing dust from the planed and polished carcass;
s3, spraying rubber solution
Spraying a vulcanizing solution on the cleaned wound to fill the pits on the surface of the tire;
s4, filling rubber, bonding rubber, patches, mushroom nails and repairing parts are applied according to the degree specified by a product manufacturer.
Preferably, the vulcanizing of the tyre in step S5 is carried out with the aim of ensuring the internal adhesion of the assembly, vulcanizing the unvulcanized compound, forming an irreversible bond between the carcass and the products added thereto, and for retreading the mould, i.e. moulding the tread pattern on the rubber.
Preferably, in step S5 the tyre is vulcanised, the vulcanisation temperature being set at 99 ℃.
Preferably, the final inspection in step S6 comprises the steps of:
s1, tire testing
1) Carrying out a pressure resistance strength test on the tire by a pressure testing machine;
2) And measuring the temperature of the surface of the tire through a surface temperature measuring device.
S2, appearance inspection
The exterior and interior of the tire are inspected, and the damaged areas are repaired with particular attention paid to the appearance of the interface.
Working principle: the new giant tyre retreading method includes the first initial detection of tyre, the subsequent detection of tyre whether it is subjected to repair, the subsequent milling of tyre, the removal of residual tread rubber, the subsequent repair of tyre crown and shoulder, the subsequent polishing, dust removing, spraying rubber solution and stuffing, the subsequent selection of unvulcanized rubber and preformed tread, the subsequent pre-forming of rubber with laminated belt, the subsequent vulcanizing of the tyre with pre-vulcanized planar tread band, segmented tread or annular tread, the final inspection of tyre from the outside and inside, especially the repair of damaged area, the repair of the butt joint surface, and the subsequent retreading of tyre.
(III) beneficial effects
The invention provides a novel giant tire retreading method. The beneficial effects are as follows:
1. the present invention provides a new type of giant tire retreading method, which performs a preliminary inspection before retreading the tire and determines whether the tire can be subsequently retreaded, in comparison with the conventional process, wherein the tire, in which the toe-opening steel wire is exposed or deformed, damaged by grease substances, solvents or corrosive products, is damaged outside the repair area designated by the manufacturer and or beyond the maximum limit allowed by the manufacturer of the repair product, is not allowed to be retreaded, the tire is determined, and the risk that the carcass is rejected when entering the preliminary inspection in the retreading shop is reduced.
2. The invention provides a novel giant tire retreading method, which comprises the steps of milling, tire repair, construction and vulcanization, wherein the retreading method is simple and rapid, can prolong the service life of the tire, reduces the cost in the retreading process, reduces the vulcanization temperature to 99 ℃ compared with the traditional vulcanization temperature, avoids secondary damage of high temperature to carcass rubber, and solves the problem of accelerated aging of the tire rubber due to high temperature.
3. The invention provides a novel giant tire retreading method, which is characterized in that after the tire is retreaded, the tire is detected again, wherein the compressive strength, the temperature and the appearance of the tire are detected, and compared with the existing retreaded tire final detection, the detection method is more comprehensive and reduces the risk after the tire retreading is put into operation.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2 is a flow chart of the tire repair of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-2, an embodiment of the present invention provides a method for retreading a new type of giant tire, comprising the steps of:
s1, preliminary inspection
3) Detecting whether the tire is subjected to any repair or not, and avoiding the occurrence of a third retreading of one tire;
4) Detecting whether the tire can be retreaded;
s2, milling: exposing the carcass
Removing the residual tread rubber, endowing the tread cap and the tire shoulder of the tire body with the required profile, and endowing the processed surface with the required roughness;
s3, tire repair
Tire repair includes grinding, dust removal, spraying rubber solution and filling;
s4, tire construction
Selecting between unvulcanized rubber (wrapped with laminated strips, preformed or calendered tape), preformed tread (using a precured flat tread band, segmented tread or annular tread);
s5, tire vulcanization
Vulcanizing the tire with the surface tightly attached to the inner and outer packaging sleeves;
s6, finally checking
The tire is finally inspected, wherein defective or unsatisfactory repairs require retreading.
In the preliminary inspection of step S1, in which it is checked that the tire is not allowed to be retreaded, the toe-opening steel wire is exposed or deformed, damaged by the grease, solvent or corrosive product, the damage is located outside the repair area specified by the manufacturer and or exceeds the maximum limit allowed by the manufacturer of the repair product, in the preliminary inspection of step S1, in which the detection of whether the tire can be retreaded comprises: deep inspection (visual inspection, touching the carcass) and nondestructive testing (ultrasonic testing, laser speckle, scanning, X-ray);
the tire repair in step S3 includes the steps of:
s1, polishing
Removing any unnecessary objects (embedded stones and the like), cleaning any wounds affecting the rubber of the tire or the steel wire of the carcass, rough polishing the tire by a polisher, and then carrying out fine polishing by a polishing wheel held by a worker;
s2, dust removal
Removing dust from the planed and polished carcass;
s3, spraying rubber solution
Spraying a vulcanizing solution on the cleaned wound to fill the pits on the surface of the tire;
s4, filling rubber, bonding rubber, patches, mushroom nails and repairing parts are applied according to the degree specified by a product manufacturer;
the purpose of the vulcanization of the tyre in step S5 is to ensure the internal adhesion of the assembly, to vulcanize the unvulcanized compound, to form an irreversible bond between the carcass and the products added, to which the tread pattern is molded in the retreading mould, i.e. the rubber, and in step S5 the tyre is vulcanized, the vulcanization temperature being set at 99 ℃.
The final check in step S6 comprises the steps of:
s1, tire testing
1) Carrying out a pressure resistance strength test on the tire by a pressure testing machine;
2) And measuring the temperature of the surface of the tire through a surface temperature measuring device.
S2, appearance inspection
The exterior and interior of the tire are inspected, and the damaged areas are repaired with particular attention paid to the appearance of the interface.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A method for retreading a new type giant tire, characterized by: the method comprises the following steps:
s1, preliminary inspection
1) Detecting whether the tire is subjected to any repair or not, and avoiding the occurrence of a third retreading of one tire;
2) Detecting whether the tire can be retreaded;
s2, milling: exposing the carcass
Removing the residual tread rubber, endowing the tread cap and the tire shoulder of the tire body with the required profile, and endowing the processed surface with the required roughness;
s3, tire repair
Tire repair includes grinding, dust removal, spraying rubber solution and filling;
s4, tire construction
Selecting between unvulcanized rubber (wrapped with laminated strips, preformed or calendered tape), preformed tread (using a precured flat tread band, segmented tread or annular tread);
s5, tire vulcanization
Vulcanizing the tire with the surface tightly attached to the inner and outer packaging sleeves;
s6, finally checking
The tire is finally inspected, wherein defective or unsatisfactory repairs require retreading.
2. A method of retreading a new type of giant tire as recited in claim 1, wherein: in the preliminary checking process of step S1, in which it is checked that the tire is not allowed to be retreaded, the toe-opening steel wire is exposed or deformed, damaged by the grease substance, the solvent or the corrosive product, the damage being located outside the repair area specified by the manufacturer and/or exceeding the maximum limit allowed by the manufacturer of the repaired product.
3. A method of retreading a new type of giant tire as recited in claim 1, wherein: in the step S1 preliminary inspection, wherein detecting whether the tire can be retreaded includes: deep inspection (visual inspection, touching the carcass) and nondestructive testing (ultrasonic testing, laser speckle, scanning, X-ray).
4. A method of retreading a new type of giant tire as recited in claim 1, wherein: the tire repair in step S3 includes the steps of:
s1, polishing
Removing any unnecessary objects (embedded stones and the like), cleaning any wounds affecting the rubber of the tire or the steel wire of the carcass, rough polishing the tire by a polisher, and then carrying out fine polishing by a polishing wheel held by a worker;
s2, dust removal
Removing dust from the planed and polished carcass;
s3, spraying rubber solution
Spraying a vulcanizing solution on the cleaned wound to fill the pits on the surface of the tire;
s4, filling rubber, bonding rubber, patches, mushroom nails and repairing parts are applied according to the degree specified by a product manufacturer.
5. A method of retreading a new type of giant tire as recited in claim 1, wherein: the purpose of the vulcanization of the tyre in step S5 is to ensure the internal adhesion of the assembly, to vulcanize the unvulcanized compound, to form an irreversible bond between the carcass and the products added, and for retreading moulds, i.e. to mould the tread pattern on the rubber.
6. A method of retreading a new type of giant tire as recited in claim 1, wherein: in step S5, the tire is vulcanized, and the vulcanization temperature is set to 99 ℃.
7. A method of retreading a new type of giant tire as recited in claim 1, wherein: the final check in step S6 comprises the steps of:
s1, tire testing
1) Carrying out a pressure resistance strength test on the tire by a pressure testing machine;
2) And measuring the temperature of the surface of the tire through a surface temperature measuring device.
S2, appearance inspection
The exterior and interior of the tire are inspected, and the damaged areas are repaired with particular attention paid to the appearance of the interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310706861.0A CN116766655A (en) | 2023-06-14 | 2023-06-14 | Novel giant tire retreading method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310706861.0A CN116766655A (en) | 2023-06-14 | 2023-06-14 | Novel giant tire retreading method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116766655A true CN116766655A (en) | 2023-09-19 |
Family
ID=87988921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310706861.0A Pending CN116766655A (en) | 2023-06-14 | 2023-06-14 | Novel giant tire retreading method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116766655A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117621511A (en) * | 2024-01-25 | 2024-03-01 | 蒂普拓普（天津）橡胶技术有限公司 | Pre-vulcanized composite tread tire retreading method, composite tread and retreaded tire |
-
2023
- 2023-06-14 CN CN202310706861.0A patent/CN116766655A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117621511A (en) * | 2024-01-25 | 2024-03-01 | 蒂普拓普（天津）橡胶技术有限公司 | Pre-vulcanized composite tread tire retreading method, composite tread and retreaded tire |
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