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Related Experiment Video

Updated: Aug 15, 2025

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

A Finite Element Approach for Locating the Center of Resistance of Maxillary Teeth

Published on: April 8, 2020

Optimization of Apex Shape for Mounting to the Bead Bundle Using FEM.

Peter Palička¹, Róbert Huňady¹, Martin Hagara¹

¹Department of Applied Mechanics and Mechanical Engineering, Faculty of Mechanical Engineering, Technical University of Kosice, 04001 Kosice, Slovakia.

Materials (Basel, Switzerland)

|January 8, 2023

Summary

Optimizing tire apex mounting prevents trapped air, a key issue in tire manufacturing. Modifying apex dimensions ensures proper air displacement for improved tire stability and performance.

Keywords:

apex finite element method optimization pneumatic tire

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Area of Science:

Materials Science
Mechanical Engineering
Automotive Engineering

Background:

Tires are critical vehicle components with complex layered structures.
The tire bead secures the rim, preventing slip, while the apex enhances stiffness and stability.
Air entrapment during apex-bead mounting is a significant manufacturing defect.

Purpose of the Study:

To optimize the tire apex mounting process.
To address and resolve the issue of air entrapment between the tire apex and bead.
To provide recommendations for apex design to improve tire manufacturing.

Main Methods:

Development of a Finite Element (FE) model to simulate the apex-bead mounting process.
Modification of tire apex dimensions within the FE model.
Analysis of air displacement and stress distribution through simulations.

Main Results:

Simulation successfully demonstrated air displacement after apex dimension modification.
Optimized apex shapes were identified to prevent air entrapment.
The study provides a validated method for simulating and optimizing tire component mounting.

Conclusions:

Modifying apex dimensions is an effective strategy to eliminate trapped air during tire manufacturing.
The developed FE model serves as a valuable tool for optimizing tire component design and assembly.
Recommendations for apex geometry can enhance tire quality, stability, and performance.