Brake Rotor Decorative Insert Wear Matching
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Solution Overview
Problem
Existing brake rotors face challenges in maintaining effective marking due to wear from everyday driving conditions, making it difficult to sustain markings on frictional surfaces without increasing manufacturing costs or compromising component quality.
Innovation Solution
A brake rotor design incorporating a decorative insert made from materials like metallic, ceramic, or mineral materials, which is integrated onto the brake pad wear surface or hat surface, ensuring a matching friction coefficient and wear rate with the existing surfaces, allowing for visible custom design features while withstanding operational wear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If print, label, or etching is applied to the frictional surface of the brake rotor, then marking is achieved, but the marking wears quickly under everyday driving conditions
Solution Approach 1:
The patent applies a composite material approach by integrating a decorative insert made of different material (metal, ceramic, or mineral) into the brake rotor. This insert is embedded in the frictional surface and has wear characteristics substantially the same as or greater than the surrounding brake rotor material, ensuring the marking remains durable and visible throughout the service life of the brake rotor while maintaining proper friction characteristics for safe braking.
2Loss of information
If a decorative insert with different material properties is added to the brake rotor, then visual marking is improved, but the friction characteristics may be compromised
Solution Approach 1:
The patent applies local quality by creating a decorative insert with visually distinct material properties (metal, ceramic, or mineral) that contrasts with the surrounding brake rotor material. The insert is specifically designed to have wear characteristics substantially the same as or greater than the brake rotor material, ensuring that while it provides visual distinctness for branding and identification, it maintains compatible friction characteristics to preserve safe braking performance.
3Duration of action of stationary object
If the decorative insert material has higher wear resistance than the brake pad wear surface, then the marking lasts longer, but the insert may wear faster than intended
Solution Approach 1:
The patent applies parameter changes by carefully selecting and controlling the wear characteristics of the decorative insert material. The insert is designed to have wear characteristics substantially the same as or greater than the surrounding brake rotor material, which ensures the marking remains visible and durable throughout the service life of the brake rotor without wearing away faster than intended. This balanced approach maintains both marking longevity and material integrity.
Data Source
AI summary
A brake rotor comprising a brake pad wear surface; a hat surface; and a decorative insert comprising an insert material, the decorative insert disposed on the brake pad wear surface, the hat surface, or both; wherein at least one of a friction coefficient between the decorative insert and a brake pad is substantially the same as a friction coefficient between the brake pad wear surface and the brake pad, a wear rate of the decorative insert is substantially the same as or greater than a wear rate of the brake pad wear surface, or a wear rate of the decorative insert is substantially the same as or greater than a wear rate of the hat surface; and at least a portion of the decorative insert is visible on the brake pad wear surface, the hat surface, or both.