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Reverse reduction method of radial tire structure

A radial tire and tire technology, applied in the direction of automobile tire testing, etc., can solve problems such as inability to analyze performance and restore

Active Publication Date: 2017-05-31
哈尔滨泰铭科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, due to the prestress in the finished tire, when the tire is cut open, its cross-sectional shape changes dramatically. The existing manual drawing and image scanning technology cannot accurately restore it, and it cannot be used for subsequent performance analysis

Method used

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  • Reverse reduction method of radial tire structure
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  • Reverse reduction method of radial tire structure

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Embodiment Construction

[0046] The present invention will be described in further detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.

[0047] Taking the 445 / 45R19.5 tire as this example, according to the implementation steps of the present invention, the tire is first installed on the standard rim of 19.5×15.00, filled with an air pressure of 0.1MPa, and the rim is fixed. After 24 hours, etc. The crown profile is measured 4 times at intervals, and the measured crown profile curve is as follows figure 2 shown. The measured radius of the highest position of the tread is 448mm.

[0048] Cut the section of the tire, stick the bead to the inner wall of the 9.5×15.00 rim, take 1 / 180 of the section, and manually draw the internal structure, such as image 3 s...

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Abstract

The invention discloses a reverse reduction method of a radial tire structure, wherein the method includes steps of measuring external outline of tire inflation; drawing a structure of a tire section material; drawing a rim curve and a tier face limiting curve; performing grid classification and material distribution on the acquired tire structure drawing; setting a boundary condition of a tire model; setting a contact property between a tire ring part and the rim and the contact property between the tier face part and the tier face limiting line; performing air inflation analysis on the tire; moving the tire face limiting line towards the rim direction until reaching the top point of the tire face measured; exporting the grid after completing simulation, and removing grid line, and acquiring the structural drawing of the real tier. The method solves the problem that the existed artificial drawing and image scanning technology cannot exactly restore the tire and the tire cannot be applied to perform the subsequent performance analysis since the section shape is greatly changed after splitting the tire for the finished tire has prestress.

Description

technical field [0001] The invention relates to a reverse reduction method of a radial tire structure, which belongs to the technical field of radial tire structure analysis. Background technique [0002] The structure of a radial tire is very complicated, mainly including a carcass made of steel wire or nylon material, several layers of rubber-steel wire composite belt layers with steel wires at different angles, a steel traveler made of high-strength steel wires closely arranged, tread, tire More than 10 parts such as side and apex. A tire is an axisymmetric geometry, which can be formed by rotating a section around the wheel axis. Therefore, when designing a tire, the material distribution of the section of the tire is mainly designed, also known as the material distribution map. Then, the component parameters on the material distribution diagram are converted into construction tables, that is, the geometric dimensions of each component. The manufacturing process includ...

Claims

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Application Information

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IPC IPC(8): G01M17/02
CPCG01M17/02
Inventor 王友善崔志博吴健粟本龙
Owner 哈尔滨泰铭科技有限公司
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