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Uniformity correction using progressive ablation

A uniform, progressive technique for improving tire uniformity, addressing issues such as increased use of computing resources and computing time

Active Publication Date: 2015-09-09
MICHELIN & CO CIE GEN DES ESTAB MICHELIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This may require the use of complex nonlinear scheme techniques to calculate multiple parameters (e.g., six parameters to determine the ablation pattern for three trajectories), resulting in increased use of computing resources and computing time

Method used

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  • Uniformity correction using progressive ablation
  • Uniformity correction using progressive ablation
  • Uniformity correction using progressive ablation

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Embodiment Construction

[0032] It is to be understood by those of ordinary skill in the art that this discussion is a description of exemplary embodiments only, and is not intended to be limiting of the broader aspects of the invention. Each example is provided by way of explanation of the invention, not limitation of the invention. In fact, it will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the scope or spirit of the invention. For example, features illustrated or described as part of one embodiment can be used with another embodiment to yield a further embodiment. Thus, it is intended that the present invention includes such modifications and variations as come within the scope of the appended claims and their equivalents.

[0033] overview

[0034] In general, the present disclosure relates to systems and methods for determining one or more ablation patterns for selectively removing material from...

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Abstract

Systems and methods for determining one or more ablation patterns for selectively removing material from tire bead locations to correct for non-uniformity characteristics, such as lateral force variation, of a cured tire are provided. An ablation order can be determined for a plurality of tracks along a bead of a tire based on sensitivity data associated with the plurality of tracks. One or more ablation patterns can be progressively determined according to a progression scheme defined by the ablation order. The progressive determination of ablation patterns can reduce the computational resources required for calculating the one or more ablation patterns and, in some cases, can reduce ablation time and total ablation for the tire. Moreover, the progressive determination of ablation patterns can provide for the correction of lateral force variation for both clockwise and counterclockwise rotation of the tire.

Description

[0001] priority claim [0002] This application claims benefit of priority to PCT Application Serial No. PCT / US12 / 67198, filed November 30, 2012, entitled Uniformity Correction Using Progressive Ablation, which is incorporated herein by reference. technical field [0003] The present disclosure relates generally to systems and methods for improving tire uniformity, and more particularly to systems and methods for improving tire uniformity by selectively removing material along tire bead locations in a cured tire. Background technique [0004] Tire non-uniformity relates to the symmetry (or lack thereof) of certain quantifiable characteristics of the tire with respect to the tire's axis of rotation. Unfortunately, conventional tire building methods have many opportunities for creating non-uniformities in the tire. During the rotation of the tire, the non-uniformities that occur in the tire structure generate periodically varying forces at the wheel axle. Tire non-uniformity...

Claims

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Application Information

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IPC IPC(8): G06F1/00
CPCG01M1/34B60C19/003G01M17/024B24C1/045B29D30/0061B29D2030/0066B60C19/00G01M17/02B23K26/03G05B19/41875G05B2219/32177
Inventor V·S·尼克尔森C·S·阿普尔曼
Owner MICHELIN & CO CIE GEN DES ESTAB MICHELIN