Localized Electrolyte Grinding for Compact Anodic Oxidation
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Solution Overview
Problem
Existing anodic oxidation-assisted grinding apparatuses are cumbersome and difficult to maintain due to the immersion of workpieces in electrolytes, which complicates dust collection and increases apparatus size.
Innovation Solution
An anodic oxidation-assisted grinding apparatus that supplies electrolyte between the cathode and workpiece, applies a direct current to form an anodic oxidation film, and uses a grindstone to remove the film, allowing for reduced apparatus size and simplified dust collection through electrolyte flow and grinding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the workpiece is immersed in the electrolyte stored in the container, then the anodic oxidation reaction can occur on the surface of the workpiece, but the entire grinding apparatus is increased in size and complicated
Solution Approach 1:
The invention extracts the electrolyte from a large storage container and supplies it locally only to the processing area between the cathode and workpiece. This is achieved through an electrolyte supply passage that delivers electrolyte precisely where needed for the anodic oxidation reaction, eliminating the need for a large immersion container while maintaining reaction effectiveness.
Solution Approach 2:
The invention applies electrolyte locally to the specific region where the anodic oxidation reaction is needed (between the cathode and workpiece surface) rather than immersing the entire workpiece in a large volume of electrolyte. This localized supply approach reduces the overall apparatus size and simplifies the structure while ensuring the reaction occurs effectively at the required location.
2Reliability
If the workpiece is immersed in the electrolyte stored in the container, then the anodic oxidation reaction can occur on the surface of the workpiece, but grinding dust collection and maintenance become difficult
Solution Approach 1:
The invention extracts grinding dust from the processing area using a dust collection device that is separate from the electrolyte supply system. This allows grinding dust to be removed efficiently without requiring the workpiece to be immersed in a large container of electrolyte, thereby simplifying maintenance and dust collection while maintaining anodic oxidation effectiveness.
Solution Approach 2:
The invention segments the electrolyte supply and dust collection functions into separate systems. The electrolyte is supplied locally through a dedicated supply passage for the anodic oxidation reaction, while grinding dust is collected separately through a dust collection device. This segmentation enables independent optimization of each function, improving maintenance ease and dust collection efficiency.
3Manufacturing precision
If a diamond wheel is used for grinding, then high precision grinding can be achieved, but tool costs increase and damage to the surface of the workpiece occurs
Solution Approach 1:
The invention changes the physical-chemical state of the workpiece surface through anodic oxidation, transforming the hard, brittle surface into a softened, more ductile state. This parameter change in the surface properties allows the use of less aggressive, non-superabrasive grindstones while maintaining high grinding precision and reducing tool wear and workpiece surface damage.
Solution Approach 2:
The invention creates a composite effect by combining the anodically oxidized surface layer with a non-superabrasive grindstone. The anodic oxidation process creates a softened surface layer that can be effectively removed by conventional abrasive grains, achieving a synergistic effect that maintains high precision while reducing tool costs and workpiece damage.
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 reduces apparatus size, simplifies maintenance, and facilitates efficient dust collection by washing away grinding dust with the electrolyte flow, improving surface roughness and reducing tool costs through the use of non-superabrasive grindstones.
Implementation Method 1
a direct current passes through the workpiece via an electrolyte... to form an anodic oxidation film on a surface of the workpiece
Implementation Method 2
a direct current flows through an anode, a cathode, and the workpiece via the electrolyte
Implementation Method 3
a direct current passes through the workpiece via an electrolyte
Implementation Method 4
a surface of the workpiece is ground with a grindstone by utilizing an anodic oxidation reaction generated on the surface of the workpiece
Data Source
AI summary
An anodic oxidation-assisted grinding apparatus includes an electrolyte supply passage configured to pour an electrolyte at least between a cathode and a workpiece, a direct current power source configured to apply a direct current, via the electrolyte, to an anode, the cathode, and the workpiece to form an anodic oxidation film on a surface of the workpiece, and a grindstone configured to grind the anodic oxidation film formed on the surface of the workpiece.