Diamond Band Sharpening Tool with Reinforcement Band
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Solution Overview
Problem
Conventional grinding wheels used for sharpening wood-cutting tools are fragile due to their thin perimetric edge, leading to breakage, and reinforcement methods either improve mechanical strength but compromise usability or vice versa, reducing the effectiveness and lifespan of the tool.
Innovation Solution
A grinding wheel with a frustum-shaped body made of aluminum, featuring a diamond band co-molded with a reinforcement band of composite material like epoxy resin and fiberglass or carbon fiber, which enhances mechanical strength and maintains abrasion effectiveness by wearing evenly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the grinding wheel is reinforced by inserting a layer of resin or modifying the diamond band width, then the mechanical strength is improved, but the usability deteriorates because the reinforcement materials wear away and contaminate the diamond band surface
Solution Approach 1:
The invention divides the reinforcement function from the abrasion function by using separate components: a grinding wheel body for abrasion and an external reinforcement band for mechanical strength. This segmentation allows each component to perform its dedicated function without interfering with the other, resolving the contradiction between strength and usability.
Solution Approach 2:
The reinforcement band acts as an intermediary element that supports the diamond band from behind without contacting the workpiece. This mediator provides mechanical strength while allowing the diamond band to maintain its abrasion properties, preventing contamination of the working surface.
2Manufacturing precision
If the grinding wheel is made with a thin perimetric edge to pass between narrow teeth, then the precision sharpening is enabled, but the reliability deteriorates because the thin edge is fragile and breaks easily
Solution Approach 1:
The invention separates the precision sharpening function (thin diamond band) from the structural support function (reinforcement band), allowing the thin edge to maintain precision while the separate reinforcement provides reliability without interfering with the narrow space operation.
Solution Approach 2:
The invention uses composite construction combining the diamond-containing band with a reinforcement band made of strong materials (such as metal or high-strength polymer), creating a composite structure that兼具 precision and reliability.
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 sharpening tool exhibits double the mechanical strength and longer lifespan compared to conventional tools, with improved usability and reliability, while maintaining high precision and affordability.
Implementation Method 1
a diamond band (12), having: a first portion (21), which is integral with the body (11), and a second portion (22), which comprises a section that is parallel to the lateral surface (18)
Implementation Method 2
The reinforcement band (13) is adjacent to the surface (26) of the diamond band (12), proximate to the lip of the cutting edge to be sharpened
Data Source
Figure 1~2
Figure 3~4
AI summary
The present invention relates to a sharpening tool (10), particularly for high-precision sharpening, of the type comprising a body (11) provided with a diamond band (12),wherein it comprises a reinforcement band (13) which is adjacent to the surface (26) of the diamond band (12), proximate to the lip of the cutting edge.