Machining Head With Conditioning Feed for Brake Disc Wear Reduction
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Solution Overview
Problem
Existing machining tools for rotating workpieces, such as brake discs, fail to effectively reduce particulate emissions and wear by not providing adequate surface conditioning post-machining, leading to increased energy consumption and environmental impact.
Innovation Solution
A machining tool with a machining head that integrates a material feed system to apply a conditioning material directly to the machined surface immediately after machining, minimizing exposure to the environment and forming a tribofilm for wear reduction, featuring a compact design with a dispensing device for precise material application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional machining tool is used without post-machining surface treatment, then the machining process is simple and quick, but the machined surface is exposed to environmental reaction and wear
Solution Approach 1:
The patent combines the machining function and surface conditioning function into a single integrated machining tool. The tool includes both a cutting edge for machining and a material feed for applying conditioning material, merging two separate operations into one tool system. This resolves the contradiction by enabling wear resistance improvement without requiring a separate post-machining treatment device.
Solution Approach 2:
The conditioning material is applied to the machined surface immediately after machining while the surface is still hot and reactive. This preliminary action prevents environmental reaction and wear before they can occur, rather than treating the surface after it has been exposed to the environment.
2Duration of action of stationary object
If conditioning material is applied immediately after machining, then wear resistance is improved, but the machining tool structure becomes more complex
Solution Approach 1:
The holder component serves multiple functions: it holds the cutting edge, provides structural support, and incorporates the material feed for conditioning material delivery. This multi-functionality reduces the need for additional separate components, thereby extending service life without proportionally increasing structural complexity.
Solution Approach 2:
The patent introduces a holder as an intermediary component that integrates the cutting edge and material feed. This holder acts as a mediator between the machining operation and the conditioning material application, enabling seamless transition and integration of functions while maintaining manageable structural complexity.
3Object-affected harmful factors
If the distance between machining point and conditioning material feed is minimized, then surface protection is improved, but the machining tool design becomes more constrained
Solution Approach 1:
The material feed is positioned locally at the machining point, delivering conditioning material precisely where needed on the machined surface. This localized application ensures immediate protection against environmental reaction while maintaining a compact design that is feasible to manufacture.
Solution Approach 2:
The patent positions the material feed downstream of the cutting edge in the machining direction, utilizing the temporal sequence of machining operations. This spatial arrangement in the machining direction allows immediate application of conditioning material to the freshly machined surface without complex lateral positioning mechanisms.
4Device complexity
If a compact machining head design is used, then device complexity is reduced, but flexibility in material feed adaptation is limited
Solution Approach 1:
The holder is designed with adjustable features that allow the material feed to be adapted to different conditioning materials and workpiece requirements. This dynamic adaptability enables the compact machining head to serve multiple applications without sacrificing flexibility.
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 solution significantly reduces wear and particulate emissions by applying a tribofilm to the machined surface, enhancing the service life of workpieces, especially in tribosystems like brake discs and linings, while minimizing environmental impact.
Implementation Method 1
by applying the conditioning material, a tribofilm for wear reduction can be applied to the surface of the workpiece
Data Source
AI summary
The invention relates to a machining tool, to a machining head, and to a method for machining a rotating workpiece (19), with a tool main body (12), with at least one machining head (16, 17) provided on the tool main body (12), said machining head receiving, by way of a holder (21), a cutting edge (31) which is aligned with a working space (18) for the workpiece (19) to be machined, wherein a material feed (41) for a conditioning material (42) to be applied to the surface (20) of the workpiece (19) machined by the cutting edge (31) is arranged downstream of the cutting edge (31) as viewed in the direction of machining.