Magnetizable Abrasive Particles with Partial Coatings for Orientation Control
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Solution Overview
Problem
Existing abrasive articles face challenges in achieving precise placement and orientation of abrasive particles, which affects their performance and efficiency in abrading processes.
Innovation Solution
Magnetizable abrasive particles with incomplete magnetizable layers are used, allowing for manipulation using magnetic fields to achieve specific orientations within abrasive articles, such as coated and bonded abrasive articles, enabling controlled alignment and improved performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If abrasive particles are coated with a complete magnetizable layer, then the particles can be manipulated using magnetic fields, but the manipulation flexibility and precise orientation control are limited
Solution Approach 1:
The patent applies local quality by creating magnetizable layers that cover only specific portions of the abrasive particle surface rather than the entire surface. This localized magnetizable coating allows magnetic fields to interact with specific regions of the particle, enabling precise orientation control while reducing the overall magnetic complexity of the system.
2Manufacturing precision
If magnetic fields are used to orient abrasive particles, then particle alignment is improved, but the manufacturing process complexity increases
Solution Approach 1:
The patent implements preliminary action by pre-coating abrasive particles with magnetizable materials before they are incorporated into the abrasive article. This preliminary magnetizable coating allows the particles to be easily oriented using magnetic fields during the manufacturing process, simplifying the overall manufacturing procedure while achieving precise particle alignment.
3Ease of operation
If incomplete magnetizable layers are used on abrasive particles, then magnetic field manipulation becomes more effective, but the coating process complexity increases
Solution Approach 1:
The patent applies local quality by creating magnetizable layers that cover only specific portions of the abrasive particle surface rather than the entire surface. This localized magnetizable coating allows magnetic fields to interact with specific regions of the particle, enabling precise orientation control while reducing the overall magnetic complexity of the system.
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
This approach enables precise alignment of abrasive particles, enhancing the efficiency and effectiveness of abrasive articles in various applications, including grinding and polishing, by optimizing the orientation of magnetizable particles within the magnetic field.
Implementation Method 1
magnetizable abrasive particles with incomplete magnetizable layers according to the present disclosure can be manipulated using magnetic fields
Data Source
AI summary
A magnetizable abrasive particle comprises a ceramic body having an outer surface and a magnetizable layer disposed on a portion, but not the entirety, of the outer surface. The ceramic body comprises a platelet having two opposed major facets connected to each other by a plurality of side facets. The magnetizable layer completely covers one of the two opposed major facets, and the magnetizable layer has a magnetic dipole oriented perpendicular or parallel to the facet which it completely covers. A plurality of the magnetizable abrasive particles, and abrasive articles including them are also disclosed. Methods of making the foregoing are also disclosed.