Roughing Grinding Tool with Composite Support Body
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Solution Overview
Problem
Existing rough grinding tools face challenges in achieving a high removal rate while maintaining a long service life, particularly in machining processes where robustness and ease of production are essential.
Innovation Solution
A rough grinding tool with a support body designed for robustness, featuring abrasive grains bonded with a resin, and a structure where grinding discs are attached via gluing, riveting, or screwing, allowing for easy replacement and targeted wear, ensuring high aggressiveness and longevity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If the support body is designed to perform both support and rough grinding functions, then the service life is extended and robustness is improved, but the manufacturing complexity increases
Solution Approach 1:
The support body is designed to perform dual functions: mechanically supporting the grinding wheel assembly and actively participating in rough grinding through integrated abrasive grains. This multi-functionality extends service life by allowing the support body to continue grinding even after the grinding wheels are worn out, eliminating the need for separate support and grinding components.
Solution Approach 2:
The support body is constructed as a composite structure combining a mechanically strong base material with bonded abrasive grains. This composite design provides both the structural integrity needed for support and the cutting capability for rough grinding, achieving multi-functionality through material composition rather than mechanical complexity.
2Productivity
If abrasive grains are bonded with resin in the support body, then the aggressiveness and material removal rate increase, but the manufacturing difficulty increases
Solution Approach 1:
The abrasive grains are bonded using resin with specific bonding strength and hardness parameters optimized for rough grinding. By adjusting resin composition, cross-linking density, and abrasive grain distribution, the tool achieves high material removal rates while maintaining manufacturability through controlled material properties rather than complex processing steps.
3Ease of repair
If grinding discs are attached by bonding, riveting, or screwing, then the ease of replacement is improved, but the structural complexity increases
Solution Approach 1:
The grinding tool is divided into modular segments: the support body with integrated abrasive grains and detachable grinding wheels. This segmentation allows the grinding wheels to be independently replaced without affecting the support body, improving maintainability while keeping the overall structure relatively simple through functional separation.
Solution Approach 2:
The support body is pre-designed with mounting features (such as recesses or attachment points) that facilitate the preliminary preparation for grinding wheel installation. This preliminary structuring enables easy attachment and detachment of grinding wheels through simple bonding, riveting, or screwing operations without requiring complex assembly procedures.
4Reliability
If the support body meets the single-point side load safety requirement, then the reliability is improved, but the manufacturing precision requirement increases
Solution Approach 1:
The support body design incorporates inherent structural features that distribute and cushion point loads before they can cause failure. By designing the support body geometry and material properties to anticipate and absorb single-point side loads, the tool meets safety requirements through built-in load management rather than requiring ultra-precise manufacturing tolerances.
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 tool achieves a high removal rate and extended service life by maintaining robustness and ease of production, with the support body and grinding discs working together to ensure continuous grinding efficiency and simplicity in manufacturing.
Implementation Method 1
The abrasive grain is bonded by means of a bonding agent
Implementation Method 2
The choice of abrasive grain ensures a high material removal rate for the material being machined
Data Source
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AI summary
The invention relates to a roughing grinding tool (1) having a supporting body (2) and at least one abrasive plate (S1 to S4). The supporting body (2) comprises an abrasive grit for rough grinding. The supporting body (2) is used to support the at least one abrasive plate (S1 to S4) and itself for rough grinding. The roughing grinding tool (1) can be produced simply and is robust and has a high removal rate in conjunction with a long service life.