Cutting Blade Stabilizing Fold Resists Transverse Deformation
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Solution Overview
Problem
Cutting tools face challenges when dealing with reconstituted materials that combine hardness and thickness, as they are prone to deformation under transverse forces and may not stabilize plates with soft-coated surfaces effectively, leading to unstable cutting and potential blade bending or plate displacement.
Innovation Solution
A blade with a stabilizing fold extending from the axis to the handle, combined with a support system featuring a transverse stop and adjustable base, enhances rigidity and stability during cutting, preventing deformation and ensuring secure plate positioning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the blade is made flat and simple in structure, then the ease of manufacture and device complexity are improved, but the blade becomes prone to deformation under transverse forces during cutting
Solution Approach 1:
The blade is divided into multiple longitudinal elements (first blade element, second blade element, etc.) connected by transverse connections. This segmentation allows each element to be simpler to manufacture while the collective structure provides enhanced resistance to transverse forces through the distributed framework.
Solution Approach 2:
The blade employs a composite structure combining multiple blade elements with transverse connections forming a rigid framework. This composite design integrates simpler components into a unified structure that achieves both manufacturing ease and high strength against transverse loads.
2Ease of operation
If the blade is made thinner to reduce effort during cutting, then the ease of operation is improved, but the blade becomes more susceptible to bending and deformation
Solution Approach 1:
The blade is segmented into multiple thin longitudinal elements connected by transverse members. This allows the blade to be thin enough for easy operation while the segmented framework maintains rigidity and resistance to bending through its distributed structural arrangement.
Solution Approach 2:
The composite framework structure combines multiple thin blade elements with transverse connections, creating a blade that is thin for ease of operation yet rigid through its composite construction that distributes and resists bending forces.
3Stability of the object's composition
If the blade is made wider to increase stability during cutting, then the blade stability is improved, but the device complexity and manufacturing difficulty increase
Solution Approach 1:
The blade width is achieved through segmentation into multiple longitudinal elements rather than a single wide piece. This segmentation provides stability during cutting while keeping individual elements simpler to manufacture and the overall structure less complex than a monolithic wide blade.
Solution Approach 2:
The composite framework constructed from multiple blade elements and transverse connections provides enhanced stability during cutting operations while maintaining relatively simple manufacturing processes for each individual component, avoiding the complexity of forming a single complex wide structure.
4Strength
If the blade is made more rigid to prevent deformation, then the blade strength is improved, but the ease of manufacture and device complexity worsen
Solution Approach 1:
The blade is segmented into multiple longitudinal elements connected by transverse members, allowing each segment to be manufactured separately with simpler processes while the assembled framework achieves high resistance to deformation through its distributed rigid structure.
Solution Approach 2:
The composite framework structure combines multiple blade elements with transverse connections to create a highly rigid blade resistant to deformation, while maintaining manufacturing simplicity through the use of separate, easily fabricated components that are assembled into the final rigid structure.
Data Source
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AI summary
The present invention relates to a blade for a cutting tool for cutting out a plate, wherein said tool comprises a bearing (3) on which a blade (2) is mounted so as to move between an open position for receiving the plate to be cut out between the bearing (3) and the blade (2) and a closed position at the end of a cut-out, wherein the blade has a backside (21) and a cutting edge (22), is provided with a handle (7), and is mounted on the bearing (3) through an axis (4), characterised in that the blade (2) is flat and is formed with a stabilisation fold (24) extending approximately from the axis (4) to the handle (7). The invention also relates to a cutting tool fitted with such a blade.