Hollow Ceramic Abrasive Particles for Dressing Member
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Solution Overview
Problem
Existing dressing members with solid abrasive grains can cause defects like scratches on workpieces due to grain fallout during dressing, leading to inadequate exposure and uneven grinding surface heights among grindstones.
Innovation Solution
A dressing member comprising hollow ceramic particles with cavities, fixed by a bonding material, which are designed to be crushed and fragmented during dressing, reducing the likelihood of grain fallout and subsequent defects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If large abrasive grains are used in the dressing member to achieve appropriate consumption of grindstones, then the grinding ability is improved, but the risk of grain fallout and defective processing increases
Solution Approach 1:
The invention changes the physical state parameter of the abrasive particles from solid to hollow ceramic structure. This parameter change allows the particles to maintain larger effective size for efficient grindstone consumption while preventing harmful fallout, as the hollow structure causes them to break down into harmless fine fragments rather than falling off as complete grains
Solution Approach 2:
The invention uses composite material structure combining hollow ceramic particles with bonding material. This composite approach creates a dressing member that achieves both the mechanical action needed for effective dressing and the controlled fragmentation behavior that prevents workpiece contamination
2Ease of manufacture
If solid abrasive grains are used in the dressing member, then the structure is simple and manufacturing is easy, but the grains may fall off and cause scratches on workpieces
Solution Approach 1:
The invention modifies the physical structure parameter of abrasive particles from solid to hollow ceramic form. This parameter change maintains manufacturing feasibility while fundamentally altering the behavior during dressing - the hollow particles fragment into fine harmless particles rather than falling off as complete grains that could scratch workpieces
3Ease of manufacture
If abrasive grains are not appropriately exposed from the bonding material, then the manufacturing process is simpler, but the grinding ability becomes deficient and excessive forces are exerted on the workpiece
Solution Approach 1:
The hollow ceramic particles are pre-configured with cavities that facilitate controlled exposure and fragmentation during the dressing process. This preliminary structural preparation ensures that as the bonding material wears away, the particles expose and then fragment in a controlled manner, providing consistent grinding action without excessive forces on the workpiece
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 use of hollow ceramic particles minimizes the risk of defects such as scratches on workpieces by ensuring that any fragments left behind do not cause processing errors, thereby enhancing the quality of the grinding process.
Implementation Method 1
during dressing, the ceramic particles are ground and crushed by the grindstone tool together with the bonding material
Data Source
AI summary
A dressing member to be used in adjusting a grindstone tool in which abrasive grains are fixed includes a plurality of ceramic particles having cavities therein, and a bonding material that fixes the ceramic particles.