Grinding Disc Stabilizing Core for High-Speed Stability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing grinding wheels lack satisfactory stability, particularly at high speeds, which affects their ability to maintain stiffness under high contact pressure and control during the grinding process.
Innovation Solution
A grinding wheel design featuring a disc-shaped base body with a central recess, a stabilizing core with higher strength than the grinding layers, and multiple grinding layers separated by intervening separating layers, where the core segments are connected indirectly via these separating layers to enhance stability and strength independently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a traditional single-layer grinding wheel design is used, then the structure is simple, but the stability at high speeds is insufficient
Solution Approach 1:
The grinding wheel is divided into multiple functional layers including a base body, stabilizing core, separating layer, and grinding layer. This segmentation allows each layer to perform its specific function independently, improving overall stability while maintaining manageable structural complexity.
Solution Approach 2:
The grinding wheel employs a composite structure combining different materials with distinct properties: a stabilizing core made of high-strength material for rotational stability, separating layers for structural reinforcement, and grinding layers with abrasive grains for material removal. This composite approach resolves the contradiction by integrating multiple material functions into a unified design.
2Strength
If the stabilizing core is made with higher strength material, then the stability improves, but the manufacturing complexity increases
Solution Approach 1:
The stabilizing core is segmented into core segments that are indirectly connected via separating layers. This segmentation allows for easier manufacturing of individual components using standard materials, while the assembled composite structure achieves the required overall strength and stability.
Solution Approach 2:
The separating layer acts as an intermediary between the stabilizing core segments, providing both structural connection and stress distribution. This intermediary element enables the use of slightly less extreme materials in the core segments while maintaining overall strength requirements.
3Reliability
If multiple grinding layers are used with separating layers, then the strength and stability are improved, but the device complexity increases
Solution Approach 1:
The grinding wheel is segmented into distinct functional layers: base body, stabilizing core, separating layer, and grinding layer. Each layer performs a specific function, allowing for optimized material selection and manufacturing processes for each component while maintaining overall structural integrity.
Solution Approach 2:
The separating layer serves multiple functions simultaneously: it acts as a structural reinforcement element, provides indirect connection between core segments, enables differential movement between layers, and facilitates stress distribution. This multi-functionality reduces the need for additional specialized components.
4Stability of the object's composition
If the stabilizing core absorbs rotational forces, then the stability at high speeds improves, but the force transmission complexity increases
Solution Approach 1:
The stabilizing core acts as an intermediary element between the grinding layers and the drive shaft. It absorbs rotational forces generated during high-speed operation and transmits user-applied forces evenly to the grinding layers, simplifying the overall force transmission mechanism while improving stability.
Solution Approach 2:
The stabilizing core provides homogeneous force distribution across the grinding layers, ensuring uniform stress transmission and stable rotation at high speeds. This homogeneity in force transmission reduces vibrations and improves control without requiring complex transmission mechanisms.
Data Source
AI summary
A grinding disc for machining material surfaces is proposed, comprising a disc-shaped base body (3) with a central recess (2) through which a rotary axis (5) passes for the direct or indirect connection of a drive shaft of a tool, and at least one grinding layer (8). The grinding disc has a stabilizing core (12) for stabilizing the grinding disc, which is associated with the at least one grinding layer (8a, 8b) and borders the central recess (2) around its perimeter, and has a higher strength than the at least one grinding layer (8).