Tire structure design method for improving production efficiency
By adopting the same width design and multi-layer arithmetic mismatch method in the carcass ply design, the problem of low production efficiency in the existing carcass ply design is solved, and a more efficient tire production process is achieved.
Patent Information
- Application Number
- CN202411733562.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-28
- Publication Date
- 2025-05-02
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Due to the different widths of the existing carcass cord design, the width size needs to be manually adjusted and the reels and pads are replaced during the production process, which seriously reduces production efficiency.
The carcass pen with a uniform width design is adopted, and the aliasing mismatch between multiple layers is used when the pen is laminated to ensure that the difference between the ply layer is uniform, avoid switching of different widths of pens and improve production efficiency.
Through the monospace design and arithmetic mismatch method, the frequency of variety replacement is reduced, the efficiency of tire production is improved, and the uniform difference between the ply is ensured.
Smart Images
Figure CN119918385A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of tire design, and in particular relates to a tire structure design method for improving production efficiency. Background Art
[0002] Existing carcass cords such as Figure 1 As shown, it includes several cords with decreasing widths pasted together. During tire production, the width of the carcass cords is designed with unequal widths on both sides. Under this design, the cutting of cords of different widths requires manual intervention, and the machine needs to be stopped to adjust the width size, replace the reel and the pad, which seriously reduces the production efficiency. Summary of the invention
[0003] The present invention provides a tire structure design method for improving production efficiency, so as to solve at least one of the technical problems mentioned above.
[0004] In order to solve the above technical problems, the present invention discloses a tire structure design method for improving production efficiency, comprising the following steps: S1. Determine the technical parameters of the tire, including tire model, inflated outer diameter, inflated section width, inflation pressure, standard load at a speed of 10 mph, and standard load at a speed of 50 mph; S2. Based on the technical parameters of the tire, several carcass structure design schemes are given and the tire tread rolling resistance of each carcass structure design scheme is verified to be qualified, and the carcass structure design scheme with qualified tire tread rolling resistance is selected to design the tire tread structure; The carcass cords in the carcass structure design are designed with equal width, and the cords are laminated with equal and different levels of lamination. S3, designing several tire pattern structures for each tire with qualified rolling resistance after removing the tread in the carcass structure design scheme, producing tire samples based on the design results, and selecting the carcass structure design scheme with the best carcass adaptability as the best scheme; S4. Based on the carcass structure design parameters of the best solution and several tire pattern structure design parameters, calculate the tire pattern rolling resistance corresponding to different tire pattern structure designs, and select the tire pattern structure design with qualified tire pattern rolling resistance, and use its corresponding carcass structure design parameters and tire pattern structure design parameters as the final tire structure design parameters.
[0005] Preferably, the tire models include road tire HT, mud tire MT, and all-terrain tire AT; The inflated outer diameter ranges from 26.18 to 27.82 inches; Inflated section width 10.72-11.30 inches; Inflation pressure 34PSI; The standard load at 10mph is 2470LBS; The standard load at 50 mph is 1480 LBS.
[0006] Preferably, step S2 comprises calculating the de-tread rolling resistance of the tire: (1); among which, is the tire's rolling resistance without tread, It is the auxiliary calculation parameter obtained based on the optimal solution carcass structure design parameters. is the friction weight between the tire and the road, is the friction between the tire and the road surface, is the weight of the friction between the tire and the air resistance, is the friction between the tire and the air resistance, The tire material affects the friction weight value. The tire material affects friction.
[0007] Preferably, step S3 includes: S31, performing a tire performance test on the tire sample to obtain a tire performance test result, where the tire performance test result includes a noise value, a braking distance, and a maximum speed under a preset load; S32, inputting tire pattern structure design parameters and carcass structure design parameters of several tire samples corresponding to each carcass structure design scheme into the trained noise reduction performance evaluation model, braking distance superiority evaluation model and speed qualification evaluation model to obtain the noise reduction performance evaluation value, braking distance superiority evaluation value and speed qualification evaluation value of the corresponding tire sample; S34, constructing a carcass adaptability evaluation matrix corresponding to each carcass structure design scheme based on the noise reduction performance evaluation values, braking distance superiority evaluation values, speed qualification evaluation values and tire performance test results of several tire samples corresponding to each carcass structure design scheme; S35. Based on the carcass adaptability evaluation matrix of different carcass structure design schemes, obtain the carcass adaptability evaluation values of the corresponding carcass structure design schemes, and select the carcass structure design scheme with the largest carcass adaptability evaluation value among the carcass structure design schemes as the best scheme.
[0008] Preferably, the carcass adaptability evaluation matrix of the carcass structure design scheme with qualified de-tread rolling resistance of the x-th tire in step S34 is: (2); among which, The carcass adaptability evaluation matrix of the carcass structure design scheme with qualified rolling resistance of the x-th tire is: The tire performance test noise value under the preset load of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The tire performance test noise value under the preset load of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The tire performance test noise value under the preset load of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The braking distance of the tire performance test under the preset load of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The braking distance of the tire performance test under the preset load of the second tire sample of the carcass structure design with qualified rolling resistance of the x-th tire, The braking distance of the tire performance test under the preset load for the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the braking distance superiority evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, is the braking distance superiority evaluation value of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, is the braking distance superiority evaluation value of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the first tire sample of the carcass structure design with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the second tire sample of the carcass structure design with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire without tread, is the speed qualification evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The speed qualification evaluation value of the second tire sample of the carcass structure design with qualified rolling resistance of the x-th tire, It is the speed qualification evaluation value of the nth tire sample of the carcass structure design with qualified tread rolling resistance of the xth tire.
[0009] Preferably, step S35 includes: In the carcass adaptability evaluation matrix of the carcass structure design scheme with qualified rolling resistance of the x-th tire without tread, each type of evaluation value and the test value corresponding to each type of evaluation value are deleted to obtain three auxiliary calculation matrices, and the average of the ranks of the three auxiliary calculation matrices is used as the carcass adaptability evaluation value of the carcass structure design scheme with qualified rolling resistance of the x-th tire without tread.
[0010] Preferably, step S4 calculates the pattern rolling resistance of tires corresponding to different tire pattern structure designs based on the carcass structure design parameters of the optimal solution and several tire pattern structure design parameters: (3); among which, The rolling resistance of the tire with the tread pattern corresponding to the yth tire tread structure design for the optimal solution is: is the tire rolling resistance corresponding to the optimal tire structure design, e is a natural number, and its value is 2.71. It is the auxiliary calculation parameter obtained based on the optimal solution carcass structure design parameters. The longitudinal groove width of the tire pattern structure designed for the optimal tire carcass structure is: The longitudinal groove depth of the tire pattern structure designed for the optimal solution is: The transverse groove width of the tire pattern structure designed for the optimal tire carcass structure is: The transverse groove depth of the yth tire pattern structure designed for the optimal carcass structure.
[0011] Compared with the prior art, the present invention has the following beneficial effects: The carcass cord of the present invention adopts an equal width design, and a method of staggered pasting of multiple layers of cord is adopted when the cord is pasted, which can not only ensure the uniformity of the difference between the cord layers, but also avoid switching between different widths during cutting, reduce the frequency of product replacement, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the carcass cord structure in the prior art; Figure 2 It is a schematic diagram of the carcass cord structure of the present invention.
[0013] In the figure: 1, carcass cord; 100, cord. DETAILED DESCRIPTION
[0014] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0015] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0016] The present invention provides the following embodiments Example 1 The embodiment of the present invention provides a tire structure design method for improving production efficiency, such as Figure 1-2 As shown, the following steps are included: S1. Determine the technical parameters of the tire, including tire model, inflated outer diameter, inflated section width, inflation pressure, standard load at a speed of 10 mph, and standard load at a speed of 50 mph; S2. Based on the technical parameters of the tire, several carcass structure design schemes are given and the tire tread rolling resistance of each carcass structure design scheme is verified to be qualified, and the carcass structure design scheme with qualified tire tread rolling resistance is selected to design the tire tread structure; The carcass cord 1 in the carcass structure design is designed with equal width, and the cords 100 are laminated to each other in an equal-grade staggered manner. S3, designing several tire pattern structures for each tire with qualified rolling resistance after removing the tread in the carcass structure design scheme, producing tire samples based on the design results, and selecting the carcass structure design scheme with the best carcass adaptability as the best scheme; S4. Based on the carcass structure design parameters of the best solution and several tire pattern structure design parameters, calculate the tire pattern rolling resistance corresponding to different tire pattern structure designs, and select the tire pattern structure design with qualified tire pattern rolling resistance, and use its corresponding carcass structure design parameters and tire pattern structure design parameters as the final tire structure design parameters.
[0017] Preferably, the carcass structure design includes the design of the belt width, the cap layer width, the apex rubber height, and the wear-resistant rubber height.
[0018] Preferably, the tire pattern structure design parameters include the design of longitudinal groove width A, longitudinal groove depth B, transverse groove width C and transverse groove depth D. The longitudinal groove width A ranges from 6 to 10 mm, the longitudinal groove depth B ranges from 6 to 8 mm, the transverse groove width C ranges from 4.5 to 6 mm, and the transverse groove depth D ranges from 3 to 5 mm.
[0019] Preferably, the tire models include road tire HT, mud tire MT, and all-terrain tire AT; The inflated outer diameter ranges from 26.18 to 27.82 inches; Inflated section width 10.72-11.30 inches; Inflation pressure 34PSI; The standard load at 10mph is 2470LBS; The standard load at 50 mph is 1480 LBS.
[0020] Preferably, the multi-layer equal-width staggered lamination is suitable for the production and manufacture of off-road vehicle tires with a driving speed of R level or below and a load index lower than 120.
[0021] The working principle and beneficial effects of the above technical solution are as follows: the carcass cord 1 of the present invention adopts an equal width design, and the cord 100 adopts a method of staggered lamination of multiple layers with equal differences when laminating, which can not only ensure the uniformity of the differences between the cord layers, but also avoid switching between different widths during cutting, reduce the frequency of product replacement, and improve production efficiency; The present invention first determines the technical parameters of the tire, provides several carcass structure design schemes based on the technical parameters of the tire, and performs a screening by calculating the tire's pattern-free rolling resistance, performs several tire pattern structure designs for tires with qualified pattern-free rolling resistance for each tire in the carcass structure design scheme, and produces tire samples based on the design results, selects the carcass structure design scheme with the best carcass adaptability as the best scheme, and performs a second screening, and finally calculates the patterned rolling resistance of tires corresponding to different tire pattern structure designs based on the carcass structure design parameters of the best scheme and several tire pattern structure design parameters, selects the tire pattern structure design with qualified patterned rolling resistance, and uses the corresponding carcass structure design parameters and tire pattern structure design parameters as the final tire structure design parameters.
[0022] Example 2 Based on Example 1, step S2 includes calculating the de-tread rolling resistance of the tire: (1); among which, is the tire's rolling resistance without tread, It is the auxiliary calculation parameter obtained based on the optimal solution carcass structure design parameters. is the friction weight between the tire and the road, is the friction between the tire and the road surface, is the weight of the friction between the tire and the air resistance, is the friction between the tire and the air resistance, The tire material affects the friction weight value. The tire material affects friction.
[0023] The working principle and beneficial effects of the above technical solution are as follows: the calculation of the tire's tread rolling resistance can select the tire pattern structure design with qualified tread rolling resistance, narrow the range once, thereby reducing the workload of subsequent steps and improving the efficiency of tire structure design.
[0024] Example 3 Based on Example 1, step S3 includes: S31, performing a tire performance test on the tire sample to obtain a tire performance test result, where the tire performance test result includes a noise value, a braking distance, and a maximum speed under a preset load; S32, inputting tire pattern structure design parameters and carcass structure design parameters of several tire samples corresponding to each carcass structure design scheme into the trained noise reduction performance evaluation model, braking distance superiority evaluation model and speed qualification evaluation model to obtain the noise reduction performance evaluation value, braking distance superiority evaluation value and speed qualification evaluation value of the corresponding tire sample; S34, constructing a carcass adaptability evaluation matrix corresponding to each carcass structure design scheme based on the noise reduction performance evaluation values, braking distance superiority evaluation values, speed qualification evaluation values and tire performance test results of several tire samples corresponding to each carcass structure design scheme; S35. Based on the carcass adaptability evaluation matrix of different carcass structure design schemes, obtain the carcass adaptability evaluation values of the corresponding carcass structure design schemes, and select the carcass structure design scheme with the largest carcass adaptability evaluation value among the carcass structure design schemes as the best scheme.
[0025] The working principle and beneficial effects of the above technical solution are as follows: the tire performance test is combined with the trained noise reduction performance evaluation model, the braking distance superiority evaluation model and the speed qualification evaluation model, providing both quantitative and qualitative judgment basis, and constructing a carcass adaptability evaluation matrix corresponding to the carcass structure design scheme, which comprehensively considers multiple performance indicators, making the scheme selection more scientific and improving the matching degree between the carcass structure design scheme and the target performance.
[0026] Example 4 On the basis of Example 3, the carcass adaptability evaluation matrix of the carcass structure design scheme with qualified de-tread rolling resistance of the x-th tire in step S34 is: (2); among which, The carcass adaptability evaluation matrix of the carcass structure design scheme with qualified rolling resistance of the x-th tire is: The tire performance test noise value under the preset load of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The tire performance test noise value under the preset load of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The tire performance test noise value under the preset load of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The braking distance of the tire performance test under the preset load of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The braking distance of the tire performance test under the preset load of the second tire sample of the carcass structure design with qualified rolling resistance of the x-th tire, The braking distance of the tire performance test under the preset load for the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the braking distance superiority evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, is the braking distance superiority evaluation value of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, is the braking distance superiority evaluation value of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the first tire sample of the carcass structure design with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the second tire sample of the carcass structure design with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire without tread, is the speed qualification evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The speed qualification evaluation value of the second tire sample of the carcass structure design with qualified rolling resistance of the x-th tire, is the speed qualification evaluation value of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire; Step S35 includes: In the carcass adaptability evaluation matrix of the carcass structure design scheme with qualified rolling resistance of the x-th tire without tread, each type of evaluation value and the test value corresponding to each type of evaluation value are deleted to obtain three auxiliary calculation matrices, and the average of the ranks of the three auxiliary calculation matrices is used as the carcass adaptability evaluation value of the carcass structure design scheme with qualified rolling resistance of the x-th tire without tread.
[0027] The working principle and beneficial effects of the above technical solution: Through the matrix method, multiple performance indicators are integrated to make the evaluation process more systematic. The calculation of the matrix rank avoids the one-sidedness of a single indicator, provides a scientific basis for the final decision, clarifies the performance ranking of tires, and reduces subjectivity.
[0028] Example 5 On the basis of Example 1, step S4 calculates the pattern rolling resistance of tires corresponding to different tire pattern structure designs based on the carcass structure design parameters of the optimal solution and several tire pattern structure design parameters: (3); among which, The rolling resistance of the tire with the tread pattern corresponding to the yth tire tread structure design for the optimal solution is: is the tire rolling resistance corresponding to the optimal tire structure design, e is a natural number, and its value is 2.71. It is the auxiliary calculation parameter obtained based on the optimal solution carcass structure design parameters. The longitudinal groove width of the tire pattern structure designed for the optimal tire carcass structure is: The longitudinal groove depth of the tire pattern structure designed for the optimal solution is: The transverse groove width of the tire pattern structure designed for the optimal tire carcass structure is: The transverse groove depth of the yth tire pattern structure designed for the optimal carcass structure.
[0029] The working principle and beneficial effects of the above technical solution are as follows: by calculating the rolling resistance of the pattern, selecting qualified pattern designs, and further optimizing the matching between the tire body structure parameters and the pattern parameters, the tire body design parameters are combined with the pattern design parameters to form a complete tire structure design solution, and through calculation optimization, unnecessary pattern design tests are reduced, saving resources and time.
[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A tire structure design method for improving production efficiency, characterized in that: The following steps are involved: S1. Determine the technical parameters of the tire, including tire model, inflated outer diameter, inflated section width, inflation pressure, standard load at a speed of 10 mph, and standard load at a speed of 50 mph; S2. Based on the technical parameters of the tire, several carcass structure design schemes are given and the tire tread rolling resistance of each carcass structure design scheme is verified to be qualified, and the carcass structure design scheme with qualified tire tread rolling resistance is selected to design the tire tread structure; The carcass cord (1) in the carcass structure design is designed with equal width, and the cords (100) are laminated to each other in a staggered manner with equal differences between multiple layers; S3, designing several tire pattern structures for each tire with qualified rolling resistance after removing the tread in the carcass structure design scheme, producing tire samples based on the design results, and selecting the carcass structure design scheme with the best carcass adaptability as the best scheme; S4. Based on the carcass structure design parameters of the best solution and several tire pattern structure design parameters, calculate the tire pattern rolling resistance corresponding to different tire pattern structure designs, and select the tire pattern structure design with qualified tire pattern rolling resistance, and use its corresponding carcass structure design parameters and tire pattern structure design parameters as the final tire structure design parameters.
2. The tire structure design method for improving production efficiency according to claim 1, characterized in that: Tire models include road tire HT, mud tire MT, and all-terrain tire AT; The inflated outer diameter ranges from 26.18 to 27.82 inches; Inflated section width 10.72-11.30 inches; Inflation pressure 34PSI; The standard load at 10mph is 2470LBS; The standard load at 50 mph is 1480 LBS.
3. The tire structure design method for improving production efficiency according to claim 1, characterized in that: Step S2 includes calculating the de-tread rolling resistance of the tire: (1); among which, is the tire's rolling resistance without tread, It is the auxiliary calculation parameter obtained based on the optimal solution carcass structure design parameters. is the friction weight between the tire and the road, is the friction between the tire and the road, is the weight of the friction between the tire and the air resistance, is the friction between the tire and the air resistance, The tire material affects the friction weight value. The tire material affects friction.
4. The tire structure design method for improving production efficiency according to claim 1, characterized in that: Step S3 includes: S31, performing a tire performance test on the tire sample to obtain a tire performance test result, where the tire performance test result includes a noise value, a braking distance, and a maximum speed under a preset load; S32, inputting tire pattern structure design parameters and carcass structure design parameters of several tire samples corresponding to each carcass structure design scheme into the trained noise reduction performance evaluation model, braking distance superiority evaluation model and speed qualification evaluation model to obtain the noise reduction performance evaluation value, braking distance superiority evaluation value and speed qualification evaluation value of the corresponding tire sample; S34, constructing a carcass adaptability evaluation matrix corresponding to each carcass structure design scheme based on the noise reduction performance evaluation values, braking distance superiority evaluation values, speed qualification evaluation values and tire performance test results of several tire samples corresponding to each carcass structure design scheme; S35. Based on the carcass adaptability evaluation matrix of different carcass structure design schemes, obtain the carcass adaptability evaluation values of the corresponding carcass structure design schemes, and select the carcass structure design scheme with the largest carcass adaptability evaluation value among the carcass structure design schemes as the best scheme.
5. The tire structure design method for improving production efficiency according to claim 4, characterized in that: The carcass adaptability evaluation matrix of the carcass structure design scheme with qualified rolling resistance of the x-th tire with pattern removal in step S34 is: (2) Among them, The carcass adaptability evaluation matrix of the carcass structure design scheme with qualified rolling resistance of the x-th tire is: The tire performance test noise value under the preset load of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The tire performance test noise value under the preset load of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The tire performance test noise value under the preset load of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the noise reduction performance evaluation value of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The braking distance of the tire performance test under the preset load of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, The braking distance of the tire performance test under the preset load of the second tire sample of the carcass structure design with qualified rolling resistance of the x-th tire, The braking distance of the tire performance test under the preset load for the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, is the braking distance superiority evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, is the braking distance superiority evaluation value of the second tire sample of the carcass structure design scheme with qualified rolling resistance of the x-th tire, is the braking distance superiority evaluation value of the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the first tire sample of the carcass structure design with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the second tire sample of the carcass structure design with qualified rolling resistance of the xth tire, The maximum speed of the tire performance test under the preset load for the nth tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire without tread, is the speed qualification evaluation value of the first tire sample of the carcass structure design scheme with qualified rolling resistance of the xth tire, The speed qualification evaluation value of the second tire sample of the carcass structure design with qualified rolling resistance of the x-th tire, It is the speed qualification evaluation value of the nth tire sample of the carcass structure design with qualified tread rolling resistance of the xth tire.
6. The tire structure design method for improving production efficiency according to claim 5, characterized in that: Step S35 includes: In the carcass adaptability evaluation matrix of the carcass structure design scheme with qualified rolling resistance of the x-th tire without tread, each type of evaluation value and the test value corresponding to each type of evaluation value are deleted to obtain three auxiliary calculation matrices, and the average of the ranks of the three auxiliary calculation matrices is used as the carcass adaptability evaluation value of the carcass structure design scheme with qualified rolling resistance of the x-th tire without tread.
7. The tire structure design method for improving production efficiency according to claim 1, characterized in that: Step S4 calculates the pattern rolling resistance of tires corresponding to different tire pattern structure designs based on the carcass structure design parameters of the optimal solution and several tire pattern structure design parameters: (3); among which, The rolling resistance of the tire with the tread pattern corresponding to the yth tire tread structure design for the optimal solution is: is the tire rolling resistance corresponding to the optimal tire structure design, e is a natural number, and its value is 2.
71. It is the auxiliary calculation parameter obtained based on the optimal solution carcass structure design parameters. The longitudinal groove width of the tire pattern structure designed for the optimal tire carcass structure is: The longitudinal groove depth of the tire pattern structure designed for the optimal solution is: The transverse groove width of the tire pattern structure designed for the optimal tire carcass structure is: The transverse groove depth of the yth tire pattern structure designed for the optimal carcass structure.