Abrasive Core Composite for Glass Grinding Strength
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Solution Overview
Problem
Current abrasive articles, particularly bonded abrasives, face limitations in achieving optimal flexural strength and durability for efficient material removal processes, especially when dealing with glass workpieces, as they often rely on metal cores with uniform properties that do not adequately address varying material demands.
Innovation Solution
The development of an abrasive article featuring a core made of a composite material comprising a mixture of organic and metallic components, with specific weight and volume ratios, and the inclusion of fillers like silicon carbide, which is formed through processes such as cold pressing and curing, enhancing the abrasive's flexural strength and performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a metal core with uniform properties is used, then the abrasive article has sufficient structural support, but the flexural strength and durability are insufficient for efficient material removal
Solution Approach 1:
The core is constructed from a composite material comprising organic material (such as phenolic resin) and inorganic material (such as metal particles or ceramic particles). This composite structure provides both the flexural strength needed for durability and the optimized properties required for efficient material removal, resolving the contradiction between structural support and operational efficiency.
Solution Approach 2:
The core incorporates regions with different material compositions and properties - organic material providing flexibility and shock absorption, while inorganic material provides strength and thermal stability. This local differentiation of material properties allows the core to simultaneously achieve high flexural strength and optimized material removal performance.
2Duration of action of stationary object
If conventional bonded abrasive materials are used, then the abrasive article can perform material removal, but the wheel life is limited due to insufficient durability
Solution Approach 1:
The composite core material combines organic binders with inorganic reinforcement particles, creating a structure that exhibits enhanced durability and extended service life compared to conventional homogeneous materials. The synergistic interaction between organic and inorganic components provides both toughness and wear resistance, directly improving wheel life and reliability.
3Strength
If a composite material with organic and metallic components is used, then the flexural strength is improved, but the manufacturing complexity increases
Solution Approach 1:
The manufacturing process combines organic material and inorganic material particles into a single composite mixture that is then formed and cured as one integrated core structure. This merging of materials and operations simplifies the overall manufacturing process compared to assembling separate components, while still achieving the desired flexural strength through the composite material design.
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 abrasive article demonstrates improved flexural strength and durability, leading to extended wheel life and efficient material removal during glass grinding operations, comparable to conventional samples, while maintaining high machinability and surface quality.
Implementation Method 1
formed through processes such as cold pressing and curing
Implementation Method 2
formed through processes such as cold pressing and curing
Implementation Method 3
abrasive particles contained in a bond material matrix, and may be used to shape the edges of glass workpieces
Data Source
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AI summary
An abrasive article including a bonded abrasive body coupled to a core, the core includes a composite material including an organic material and a metallic material, and the composite material includes at least a first filler that can include nitrides, carbides, borides, oxides, silicates, or a combination thereof.