CN117382234B - Tire building equipment and optimization method for optimizing coaxiality - Google Patents
Tire building equipment and optimization method for optimizing coaxiality Download PDFInfo
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- CN117382234B CN117382234B CN202311685292.2A CN202311685292A CN117382234B CN 117382234 B CN117382234 B CN 117382234B CN 202311685292 A CN202311685292 A CN 202311685292A CN 117382234 B CN117382234 B CN 117382234B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000005457 optimization Methods 0.000 title description 2
- 238000012546 transfer Methods 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 238000004590 computer program Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 239000011324 bead Substances 0.000 description 16
- 238000000465 moulding Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification 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)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
-
- 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)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
- B29D30/26—Accessories or details, e.g. membranes, transfer rings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
The invention relates to the technical field of tire manufacturing, in particular to a tire forming device and a tire forming method for optimizing coaxiality. The method needs to measure the coaxiality of the tread transfer ring and the belt drum, the coaxiality of the tread transfer ring and the forming drum and the runout of the drum plate of the belt drum, and the assembly coaxiality is optimized by means of adjusting the clamping angle of the tread composite part and the like. When the tire is assembled, the assembly coaxiality is improved by optimally combining the items of coaxiality of the tread transmission ring and the forming drum, coaxiality of the belt drum and the forming drum, belt drum plate runout, tread joint position and the like, and the deviation of inherent precision of equipment can be effectively utilized.
Description
Technical Field
The invention relates to the technical field of tire manufacturing, in particular to a tire forming device and a tire forming method for optimizing coaxiality.
Background
Coaxiality is very important in the process of forming an all-steel radial tire, and the formed coaxiality refers to coaxiality in the process of assembling a tread composite part and a carcass sleeve composite part in the process of forming the tire, and the larger the coaxiality value is, the larger the radial dimension fluctuation of the tire is, so that the tire is out of round, and vehicle shake is caused. The assembly coaxiality is controlled within a certain value by checking the coaxiality of the formed tread transmission ring and the belt drum, the coaxiality of the tread transmission ring and the forming drum, the drum plate runout and other mechanical precision, but the precision is often measured and adjusted independently and has superposition of precision deviation due to more involved projects.
Chinese patent application publication No. CN108215260a, publication No. 2018-06-29 discloses a tire building machine system comprising a building machine base and a flat drum building device, a transfer ring device, a bead preset device, a secondary building drum device arranged on the same central shaft; the flat drum forming device is connected with the tyre feeding system, the left side of the flat drum forming device is sequentially provided with a transmission ring device, a tyre bead preset device and a secondary forming drum device, the secondary forming drum device is connected with the tyre tread feeding system, the transfer ring device and the tire bead preset device are arranged on the sliding rail device and can slide left and right, the sliding rail device is arranged on the base of the forming machine, and the tire bead preset device comprises a left tire bead preset ring device and a right tire bead preset ring device. But the patent does not consider the problem of coaxiality of the molding.
Chinese patent application No. 106393756a, publication No. 2017-02-15, discloses a three-drum forming machine for all-steel radial tires, which comprises a carcass transfer ring, a carcass drum and an outer side bead preset device, wherein the end of the carcass drum is provided with a main shaft, the carcass transfer ring is arranged on the outer ring of the carcass drum, and the outer side bead preset device comprises a fixed outer disc, an inner rotary disc, a pushing shaft, a cylinder, a connecting plate and a supporting block; the inner turntable is driven by the air cylinder to drive the connecting plate to radially slide towards the circle center, the supporting block is driven to retract, the position for hanging the tire bead is contracted to the set position for hanging the tire bead, and the tire bead is hung on the supporting block; the output shaft of the air cylinder extends outwards, the connecting plate is driven to slide away from the circle center direction by the inner turntable, the supporting block is driven to extend, and the tire bead is supported, so that the tire bead is concentric with the preset device. The forming machine adopts an outer side tire bead pre-setting device, and has the function of pre-setting the outer side tire bead and ensuring the coaxiality of the tire bead and the tire body drum.
In summary, there is no good method for measuring the coaxiality of the tread transfer ring and the belt drum, the coaxiality of the tread transfer ring and the forming drum, and the runout of the belt drum, and optimizing the assembly coaxiality by adjusting the clamping angle of the tread composite member.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a tire forming device with optimized coaxiality, which is used for measuring the coaxiality of a tread transfer ring and a belt drum, the coaxiality of the tread transfer ring and a forming drum and the runout of a belt drum plate by arranging a dial indicator, and optimizing the assembly coaxiality by adjusting the clamping angle of a tread composite part and the like.
A tire building apparatus for optimizing coaxiality, the apparatus comprising a tread transfer ring, a belt drum and a building drum, and a control system;
the tread transmission ring is provided with a first dial indicator which is used for measuring the runout of the belt drum plate and forming a Y1 data set to be transmitted to the control system;
the belt drum is provided with a second dial indicator which is used for measuring coaxiality of the tread transmission ring and the belt drum, forming a Y2 data set and transmitting the Y2 data set to the control system;
the forming drum is provided with a third dial indicator which is used for measuring coaxiality of the tread transmission ring and the forming drum and forming a Y3 data set to be transmitted to the control system;
the control system vector superimposes the Y2 and Y3 data sets to form a coaxiality data set Y4 of the belt drum and the forming drum; the minimum coaxiality numerical scheme is obtained through the combination of different phase angles of the Y1 data set and the Y4 data set, so that the tread angle clamped by forming equipment is determined; and the tread joint is arranged at the low point of the final option coaxiality curve to offset the influence of the inherent coaxiality of the equipment.
Preferably, the first dial indicator is arranged on one side of an inner ring of the tread transmission ring, 24 drum plates are arranged on the belt drum plates, and the first dial indicator measures the center position of each drum plate to obtain the Y1 data set.
Preferably, the forming drums include a first forming drum and a second forming drum, the second forming drum being disposed adjacent to the belt drum; the second dial indicator is arranged on one side of the belt drum, which is close to the second molding drum, and divides the tread transmission ring into 24 parts uniformly, and the second dial indicator measures the distance between the tread transmission ring and each point of the belt drum to obtain a Y2 data set.
Preferably, the third dial indicator is arranged on one side of the first forming drum, which is close to the second forming drum, and the tread transmission ring is divided into 24 parts uniformly, and the third dial indicator measures the distance between the tread transmission ring and each point of the first forming drum, so that a Y3 data set is obtained.
Further, the invention also discloses a method for optimizing coaxiality of a tire building device, wherein the tire building device comprises a tread transmission ring, a belt drum and a building drum, and the method comprises the following steps:
s1, fixing a first dial indicator on a tread transmission ring, rotating a belt drum, and measuring a belt drum plate runout Y1 data set;
s2, fixing a second dial indicator on the belt drum, rotating the belt drum, and measuring a coaxiality Y2 data set of the tread transmission ring and the belt drum;
s3, fixing a third dial indicator on the forming drum, lifting the equipment tail frame, rotating the first forming drum, and measuring a coaxiality Y3 data set of the tread transmission ring and the first forming drum;
s4, vector superposition of the Y2 and Y3 data sets to form a coaxiality data set Y4 of the belt drum and the forming drum;
s5, combining different phase angles of the Y1 and Y4 data sets to obtain a minimum coaxiality numerical scheme, so as to determine the tread clamping angle;
and S6, setting the tread joint at a low point of the coaxiality curve of the final selection scheme to offset the influence of the inherent coaxiality of the equipment.
Preferably, the step S1 includes 24 drum plates, and the first dial gauge measures the center position of each drum plate to obtain the Y1 data set.
Preferably, in the step S2, a circle of the transfer ring is divided into 24 parts, and a second dial indicator measures the distance between the tread transfer ring and each point of the belt drum to obtain a Y2 data set; and step S3, equally dividing one circle of the transfer ring into 24 parts, and measuring the distance between the tread transfer ring and each point of the forming drum by a third dial indicator to obtain a Y3 data set.
Further, the application also discloses application of the method in tire tread joint arrangement.
Further, the application also discloses a computer device comprising a memory, a processor and a computer program stored on the memory, the processor executing the computer program to implement the method.
Further, the application also discloses a computer readable storage medium having stored thereon a computer program or instructions which when executed by a processor, implement the method.
In summary, the invention has the following advantages:
the invention improves the assembly coaxiality by optimally combining the items of coaxiality of the tread transmission ring and the forming drum, coaxiality of the belt drum and the forming drum, belt drum plate runout, tread joint position and the like, and can effectively utilize the inherent precision deviation of equipment.
Drawings
Fig. 1 is a schematic illustration of the measurement of belt drum platen runout.
Fig. 2 is a schematic illustration of a measurement of the coaxiality of the tread transfer ring and the belt drum.
Fig. 3 is a schematic illustration of a measurement of the coaxiality of the tread transfer ring and the building drum.
FIG. 4 is a schematic view of a tread transfer ring gripping a tread composite.
Fig. 5 is a schematic illustration of the assembly of the tread compound with the carcass drum compound.
Fig. 6 is a belt drum runout curve.
Fig. 7 is a graph of the coaxiality of the tread transfer ring and the belt drum.
FIG. 8 is a plot of the coaxiality of the tread transfer ring and the building drum.
Fig. 9 is a belt drum and building drum coaxiality curve.
FIG. 10 is a graph showing the combination of different phase angles of Y1 and Y4.
FIG. 11 is a graph showing the comparison of the normal distribution of radial runout after adjustment.
Detailed Description
The technical solutions in the embodiments are clearly and completely described below in connection with the embodiments of the present invention, and it is obvious that the described embodiments 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.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
Example 1
A tyre building apparatus of optimised coaxiality as shown in figures 1-3, comprising a tread transfer ring 1, a belt drum 2, a first building drum 3 and a second building drum 4, and a control system.
As shown in fig. 1, a first dial indicator 5 for measuring the runout of the drum plates of the belt drum 2 is arranged on the tread transmission ring 1, the first dial indicator 5 is arranged on one side of the inner ring of the tread transmission ring 1, 24 drum plates are arranged on the drum plates of the belt drum 2, the central position of each drum plate is measured by the first dial indicator 5, and a Y1 data set is formed and transmitted to the control system.
As shown in fig. 2, a second dial gauge 6 for measuring the coaxiality of the tread transmitting ring 1 and the belt drum 2 is provided on the belt drum 2, the second dial gauge 6 is provided on the side of the belt drum 2 close to the second molding drum 4, the tread transmitting ring 1 is equally divided into 24 parts by one turn, the second dial gauge 6 measures the distance between each point of the tread transmitting ring 1 and the belt drum 2, a Y2 data set is obtained, and the Y2 data set is transmitted to the control system.
As shown in fig. 3, a third dial indicator 7 for measuring the coaxiality of the tread transmission ring 1 and the first forming drum 3 is arranged on the first forming drum 3, the third dial indicator 7 is arranged on one side, close to the second forming drum 4, of the first forming drum 3, the tread transmission ring 1 is divided into 24 parts uniformly, the third dial indicator 7 measures the distance between each point of the tread transmission ring 1 and the first forming drum 3, a Y3 data set is obtained, and the Y3 data set is formed and transmitted to a control system.
The control system vector superimposes the Y2 and Y3 data sets to form a coaxiality data set Y4 of the belt drum 2 and the first forming drum 3; the minimum coaxiality numerical scheme is obtained through the combination of different phase angles of the Y1 data set and the Y4 data set, so that the tread angle clamped by forming equipment is determined; and the tread joint is arranged at the low point of the final option coaxiality curve to offset the influence of the inherent coaxiality of the equipment.
Example 2
A tyre building apparatus of optimised coaxiality as shown in figures 1-3, comprising a tread transfer ring 1, a belt drum 2, a first building drum 3 and a second building drum 4, and a control system.
Of course, the invention can also improve the assembly coaxiality by optimally combining the items of coaxiality of the tread transmission ring and the forming drum, coaxiality of the belt drum and the forming drum, belt drum plate runout, tread joint position and the like when the existing tire forming equipment is assembled. The specific method is as follows:
s1, fixing a first dial indicator 5 on a tread transmission ring 1, rotating a belt drum 2, measuring 24 drum plates in a drum plate runout Y1 data set of the belt drum 2, and measuring the center position of each drum plate and the difference value of all 24 drum plate measured values;
s2, sucking a second dial indicator 6 on the belt drum 2, rotating the belt drum 2, and measuring a coaxiality Y2 data set of the tread transfer ring 1 and the belt drum 2 (the transfer ring is uniformly divided into 24 parts, and the distance of each point is measured);
s3, fixing a third dial indicator 7 on the first molding drum 3, lifting a tail frame, rotating the first molding drum 3, and measuring a coaxiality Y3 data set of the tread transmission ring 1 and the first molding drum 3 (the tread transmission ring 1 is uniformly divided into 24 parts, and the distance of each point is measured);
s4, vector superposition of the Y2 and Y3 data sets to form a coaxiality data set Y4 of the belt drum 2 and the first forming drum 3;
s5, combining different phase angles of the Y1 and Y4 data sets to obtain a minimum coaxiality numerical scheme, so as to determine the tread clamping angle;
and S6, setting the tread joint at a low point of the coaxiality curve of the final selection scheme to offset the influence of the inherent coaxiality of a part of equipment.
Application example
The application example adopts the technical scheme of the embodiment 2, and aims at a certain 12R22.5 product of the same forming machine, the scheme with the minimum coaxiality is obtained by combining the coaxiality of the belt drum and the forming drum and the runout of the drum plate of the belt drum, and the tread joint is adjusted to the low point of the coaxiality, so that the radial runout improving effect is obvious.
(1) The belt drum runout curve Y1 is measured as shown in fig. 8.
(2) The coaxiality curve Y2 of the tread transfer ring and the belt drum is measured as shown in fig. 9.
(3) The coaxiality curve Y3 of the tread transfer ring and the building drum is measured as shown in fig. 10.
(4) The Y2 and Y3 data sets are superimposed to obtain a belt drum to building drum coaxiality curve Y4, as shown in fig. 11.
(5) The combination of different phase angles of Y1 and Y4 gives a maximum coaxiality of 2.56mm and a minimum coaxiality of 1.4mm, as shown in FIG. 11.
(6) According to the combination scheme with the minimum coaxiality, the angle of the tread transmission ring clamping the tread compound piece is set, and the tread joint is adjusted to the drum plate position corresponding to the low coaxiality point. After adjustment, the radial runout qualification rate is improved from 93.75% to 98.89%, and the average value is reduced from 1.31mm to 0.91mm, as shown in FIG. 9.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art. The generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A tyre building apparatus for optimizing coaxiality, comprising a tread transfer ring (1), a belt drum (2), a building drum and a control system; it is characterized in that the method comprises the steps of,
the tread transmission ring (1) is provided with a first dial indicator (5), and the first dial indicator (5) is used for measuring the drum plate runout of the belt drum (2) and forming a Y1 data set to be transmitted to the control system;
the belt drum (2) is provided with a second dial indicator (6), and the second dial indicator (6) is used for measuring the coaxiality of the tread transmission ring (1) and the belt drum (2) and forming a Y2 data set to be transmitted to the control system;
the forming drum is provided with a third dial indicator (7), and the third dial indicator (7) is used for measuring the coaxiality of the tread transmission ring (1) and the forming drum and forming a Y3 data set to be transmitted to the control system;
the control system vector superimposes the Y2 and Y3 data sets to form a coaxiality data set Y4 of the belt drum (2) and the forming drum; the minimum coaxiality numerical scheme is obtained through the combination of different phase angles of the Y1 data set and the Y4 data set, so that the tread angle clamped by forming equipment is determined; and the tread joint is arranged at the low point of the final option coaxiality curve to offset the influence of the inherent coaxiality of the equipment.
2. Tyre building plant for optimizing coaxiality according to claim 1, characterized in that a first dial indicator (5) is arranged on the inner ring side of the tread transfer ring (1), the belt drum (2) has 24 drums, the first dial indicator (5) measures the central position of each drum to obtain the Y1 data set.
3. Tyre building plant for optimizing coaxiality according to claim 1, wherein said building drums comprise a first building drum (3) and a second building drum (4), the second building drum (4) being arranged close to the belt drum (2); the second dial indicator (6) is arranged on one side, close to the second forming drum (4), of the belt drum (2), the tread transfer ring (1) is divided into 24 parts uniformly, and the second dial indicator (6) measures the distance between the tread transfer ring (1) and each point of the belt drum (2) to obtain a Y2 data set.
4. A tyre building apparatus for optimizing coaxiality according to claim 3, wherein a third dial indicator (7) is provided on the side of the first building drum (3) close to the second building drum (4), the tread transfer ring (1) is equally divided into 24 parts, the third dial indicator (7) measures the distance of the tread transfer ring (1) from each point of the first building drum (3), and a Y3 data set is obtained.
5. A method of optimizing the coaxiality of a tyre building apparatus comprising a tread transfer ring (1), a belt drum (2), and a building drum, characterized in that it comprises the steps of:
s1, fixing a first dial indicator (5) on a tread transmission ring (1), rotating a belt drum (2), and measuring a drum plate run-out Y1 data set of the belt drum (2);
s2, fixing a second dial indicator (6) on the belt drum (2), rotating the belt drum (2), and measuring a coaxiality Y2 data set of the tread transmission ring (1) and the belt drum (2);
s3, fixing a third dial indicator (7) on the forming drum, lifting a device tail frame, rotating the forming drum (3), and measuring a coaxiality Y3 data set of the tread transmission ring (1) and the forming drum;
s4, vector superposition of the Y2 and Y3 data sets to form a coaxiality data set Y4 of the belt drum (2) and the forming drum;
s5, combining different phase angles of the Y1 and Y4 data sets to obtain a minimum coaxiality numerical scheme, so as to determine the tread clamping angle;
and S6, setting the tread joint at a low point of the coaxiality curve of the final selection scheme to offset the influence of the inherent coaxiality of the equipment.
6. A method of optimizing the coaxiality of a tyre building plant according to claim 5, wherein step S1 of the belt drum (2) drum plates total 24 drum plates, the first dial indicator (5) measuring the central position of each drum plate, obtaining the Y1 data set.
7. A method of optimizing the coaxiality of a tyre building plant according to claim 5, characterized by step S2 of equally dividing the transfer ring into 24 parts, the second dial indicator (6) measuring the distance of the tread transfer ring (1) from each point of the belt drum (2) obtaining a Y2 data set; and step S3, equally dividing one circle of the transfer ring into 24 parts, and measuring the distance between the tread transfer ring (1) and each point of the forming drum by a third dial indicator (7) to obtain a Y3 data set.
8. Use of the method of any one of claims 5-7 in a tire tread joint arrangement.
9. A computer device comprising a memory, a processor and a computer program stored on the memory, characterized in that the processor executes the computer program to implement the method of any of claims 5-7.
10. A computer readable storage medium having stored thereon a computer program or instructions which, when executed by a processor, implements the method of any of claims 5-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311685292.2A CN117382234B (en) | 2023-12-11 | 2023-12-11 | Tire building equipment and optimization method for optimizing coaxiality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311685292.2A CN117382234B (en) | 2023-12-11 | 2023-12-11 | Tire building equipment and optimization method for optimizing coaxiality |
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| CN117382234A CN117382234A (en) | 2024-01-12 |
| CN117382234B true CN117382234B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311685292.2A Active CN117382234B (en) | 2023-12-11 | 2023-12-11 | Tire building equipment and optimization method for optimizing coaxiality |
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|---|---|---|---|---|
| NL6801235A (en) * | 1967-02-01 | 1968-08-02 | ||
| JP2012236392A (en) * | 2011-05-13 | 2012-12-06 | Sumitomo Rubber Ind Ltd | Tread transfer, and method for evaluating center core misalignment between tread transfer and shaping former by using the same |
| CN105500743A (en) * | 2016-02-16 | 2016-04-20 | 中策橡胶集团有限公司 | Forming and transmitting device of semi-steel radial tires |
| CN106393756A (en) * | 2016-11-17 | 2017-02-15 | 杭州朝阳橡胶有限公司 | Three-drum forming machine for all-steel radial tyre |
| CN108215260A (en) * | 2018-01-29 | 2018-06-29 | 中策橡胶集团有限公司 | A kind of tyre building machine system |
| CN111746013A (en) * | 2020-07-29 | 2020-10-09 | 天津赛象科技股份有限公司 | Three-drum forming machine and carcass drum station operation method thereof |
| JP2021154523A (en) * | 2020-03-25 | 2021-10-07 | 住友ゴム工業株式会社 | Tire molding device and tire manufacturing method |
| CN218256923U (en) * | 2022-07-08 | 2023-01-10 | 青岛翰锐机电工程有限公司 | Belt layer transfer ring for manufacturing tire blank |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11584099B2 (en) * | 2017-11-27 | 2023-02-21 | Pirelli Tyre S.P.A. | Method for building tyres and transfer device of an apparatus for building tyres for vehicle wheels |
-
2023
- 2023-12-11 CN CN202311685292.2A patent/CN117382234B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6801235A (en) * | 1967-02-01 | 1968-08-02 | ||
| JP2012236392A (en) * | 2011-05-13 | 2012-12-06 | Sumitomo Rubber Ind Ltd | Tread transfer, and method for evaluating center core misalignment between tread transfer and shaping former by using the same |
| CN105500743A (en) * | 2016-02-16 | 2016-04-20 | 中策橡胶集团有限公司 | Forming and transmitting device of semi-steel radial tires |
| CN106393756A (en) * | 2016-11-17 | 2017-02-15 | 杭州朝阳橡胶有限公司 | Three-drum forming machine for all-steel radial tyre |
| CN108215260A (en) * | 2018-01-29 | 2018-06-29 | 中策橡胶集团有限公司 | A kind of tyre building machine system |
| JP2021154523A (en) * | 2020-03-25 | 2021-10-07 | 住友ゴム工業株式会社 | Tire molding device and tire manufacturing method |
| CN111746013A (en) * | 2020-07-29 | 2020-10-09 | 天津赛象科技股份有限公司 | Three-drum forming machine and carcass drum station operation method thereof |
| CN218256923U (en) * | 2022-07-08 | 2023-01-10 | 青岛翰锐机电工程有限公司 | Belt layer transfer ring for manufacturing tire blank |
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| CN117382234A (en) | 2024-01-12 |
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