Brake Rotor Custom Marking via Surface Treatment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for marking manufactured components, such as brake rotors, face challenges in maintaining effective and lasting markings without increasing cost or compromising quality, particularly on frictional surfaces that wear quickly during use.
Innovation Solution
A method involving chemical or mechanical treatments applied to specific areas of the brake rotor surface, altering properties differently when exposed to stimuli, creating visually perceptible custom markings without compromising the component's strength or frictional properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If print, label, or etching is applied to the frictional surface of brake rotors, then marking is achieved, but the marking wears quickly due to friction and wear during brake applications
Solution Approach 1:
The patent applies chemical or mechanical treatments to the brake rotor surface before final machining or coating, creating a pre-conditioned surface that will form durable markings when exposed to brake friction. This preliminary action ensures the marking capability is built into the surface structure before the component enters service.
Solution Approach 2:
The patent changes the physical or chemical parameters of the brake rotor surface through chemical treatments (such as phosphating, chromating, or anodizing) or mechanical treatments (such as shot peening or laser treatment). These parameter changes create surface properties that form durable markings under brake friction, transforming the surface from a non-marking state to a marking-responsive state.
2Loss of information
If traditional marking methods are used on brake rotors, then marking is achieved, but component quality may be compromised through increased weight, decreased strength, or decreased frictional properties
Solution Approach 1:
The patent applies treatments only to specific localized areas of the brake rotor surface where markings are desired, rather than treating the entire component. This local quality approach ensures that the bulk material properties (strength, frictional characteristics) remain unchanged while achieving durable markings only in the treated zones.
Solution Approach 2:
The patent uses surface treatments that form thin, sacrificial layers on the brake rotor. These surface layers are designed to wear away along with the brake rotor surface during normal operation, carrying the marking information with them. This approach avoids the need for heavy, permanent markings that would compromise component strength.
3Loss of information
If traditional marking methods are used on brake rotors, then marking is achieved, but frictional properties and NVH performance may deteriorate
Solution Approach 1:
The patent applies surface treatments only to localized marking areas rather than the entire friction surface, preserving the original frictional properties of the brake rotor in the majority of the contact area. This selective treatment minimizes impact on overall friction performance and NVH characteristics.
Solution Approach 2:
The patent uses chemical or mechanical treatments that modify surface parameters (such as surface energy, roughness, or porosity) to enable durable marking formation, while carefully controlling the treatment parameters to avoid significant changes to the bulk frictional properties of the brake rotor material.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method effectively forms durable custom markings on brake rotors, enhancing identification and aesthetic purposes while maintaining performance and cost-effectiveness, with potential benefits including reduced weight and improved NVH and friction properties.
Implementation Method 1
applying a chemical treatment to a marking portion of a surface of the brake rotor
Implementation Method 2
exposing the brake rotor, having the chemical treatment applied thereto, to the stimulus configured to alter properties of the brake rotor
Implementation Method 3
applying a mechanical treatment to a marking portion of a surface of the brake rotor
Implementation Method 4
the stimulus alters properties of the brake rotor at the marking portion differently than the stimulus alters properties of the brake rotor at other portions
Data Source
AI summary
A method is disclosed for forming a brake rotor including a desired custom marking having a predetermined size and shape. The method includes applying a chemical treatment to a marking portion of a surface of the rotor. The marking portion has a size and shape corresponding to the predetermined size and shape of the desired custom marking. The chemical treatment is configured to affect, in a predetermined manner, an ability of a stimulus, to which the rotor is to be exposed, to alter properties of the rotor. The method also includes exposing the rotor, having the chemical treatment applied thereto, to the stimulus. The stimulus alters properties of the rotor at the marking portion differently than the stimulus alters properties of the rotor at other portions of the rotor adjacent the marking portion, thereby forming physical differences in the rotor, which, being visually perceptible, form the custom marking.