Adjustable Grinding Wheel for Circular Knife Bevels
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Solution Overview
Problem
Conventional grinding systems for circular knives require multiple grinding units with different angles to address the varying bevels on both sides of the knife, leading to increased complexity and maintenance costs.
Innovation Solution
A grinding unit with pivotally connected grinding heads and adjustable grinding wheels, equipped with executive mechanisms to rotate and position the grinding wheels relative to the cutting edge, allowing for the grinding of bevels of different angles with a single unit, reducing the need for multiple grinding units.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If multiple grinding units with different angles are provided to grind the two bevels with different angles, then the cutting edge can be restored, but the device complexity and maintenance costs increase
Solution Approach 1:
A single grinding unit is designed with an adjustable grinding wheel that can be rotated to different angles, allowing it to grind both bevels with different angles. The grinding wheel's rotation capability enables one unit to perform the function previously requiring multiple fixed-angle units, thereby reducing device complexity while maintaining cutting edge restoration capability
Solution Approach 2:
The grinding wheel is made rotatable relative to the grinding head through a rotation mechanism, transforming a static fixed-angle grinding unit into a dynamic adjustable one. This allows the grinding angle to be changed during operation to match different bevel angles, eliminating the need for multiple fixed-angle grinding units
2Adaptability or versatility
If multiple grinding units are provided to address varying bevels, then all bevels can be ground, but maintenance and operational costs increase
Solution Approach 1:
The single grinding unit with rotatable grinding wheel serves multiple purposes by adjusting to different angles, replacing multiple specialized units. This consolidation reduces the number of components that require maintenance and reduces operational costs while maintaining the ability to grind varying bevels
3Device complexity
If a single grinding unit is used, then device complexity is reduced, but the ability to grind bevels with different angles is limited
Solution Approach 1:
The grinding wheel is equipped with a rotation mechanism that allows it to change its angle relative to the cutting edge. This dynamic adjustment capability enables a single grinding unit to adapt to different bevel angles, maintaining versatility while simplifying the overall device structure
Solution Approach 2:
The grinding angle parameter can be changed by rotating the grinding wheel to different angular positions. This parameter adjustment allows the same grinding unit to work with different bevel angles, providing the versatility of multiple units without the complexity of having actually multiple units
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
This solution simplifies the grinding process, reduces maintenance and operational costs, and enables precise grinding of circular knives with bevels of varying angles, enhancing the robustness and penetration capacity of the cutting edge.
Implementation Method 1
a grinding wheel (32) disposed on the support (31)
Data Source
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AI summary
A cutting machine includes a circular knife and a grinding unit for grinding the circular knife, wherein the grinding unit can be adjusted to grind the circular knife at different angles.