Additively Formed Shaped Abrasive Particles for Precise Geometry
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Solution Overview
Problem
Existing methods for forming abrasive particles with specific shapes are limited in precision and flexibility, failing to meet the industry's demand for improved abrasive materials and articles.
Innovation Solution
The use of an additive manufacturing process to form shaped abrasive particles, allowing for the creation of bodies with controlled dimensions and complex geometries without the need for templates, using a combination of ceramic materials and sol-gel mixtures with controlled rheological properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional fusion, sintering, or chemical ceramic processes are used to form abrasive particles, then the particles can be produced with basic shapes, but the manufacturing precision and geometric control are insufficient
Solution Approach 1:
The patent changes the physical and chemical parameters of the abrasive material by using sol-gel derived ceramic particles with controlled particle size distributions and surface properties. The rheological properties of the slurry are carefully controlled to enable precise deposition and formation of complex geometries, resolving the contradiction between manufacturing precision and ease of manufacture.
Solution Approach 2:
The invention employs composite material structures by combining ceramic particles with specific binders and additives to create abrasive articles with enhanced performance characteristics. This allows for precise control of mechanical properties and abrasive characteristics while maintaining manufacturability through established ceramic processing techniques.
2Adaptability or versatility
If conventional abrasive particles are used, then the production process is simple, but the performance characteristics and adaptability to different applications are limited
Solution Approach 1:
The patent applies local quality by creating abrasive particles with non-uniform properties - different regions of the particle have varying ceramic content, porosity, and surface characteristics. This allows each particle to be optimized for specific application requirements while maintaining a manageable overall geometry, thereby increasing adaptability without excessive complexity.
Solution Approach 2:
The invention segments the abrasive particle structure into distinct functional zones - a core ceramic matrix with embedded or coated surface features. This segmentation enables different regions to serve different functions (cutting, polishing, finishing) while keeping the overall particle shape relatively simple, thus improving versatility without proportionally increasing geometric complexity.
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
Enables the production of abrasive particles with precise shapes and enhanced performance characteristics, suitable for various industrial applications including automotive, medical, and aerospace industries.
Implementation Method 1
using a combination of ceramic materials and sol-gel mixtures with controlled rheological properties
Implementation Method 2
The use of an additive manufacturing process to form shaped abrasive particles
Data Source
AI summary
A shaped abrasive particle having a body having at least one peripheral ridge extending around at least a portion of a side surface of the body.