Thin-section Preparation Device Holder Dynamics
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Solution Overview
Problem
Existing thin-section preparation devices face challenges with holder size and rigidity due to the configuration of holding two cutting blades, leading to inefficient use of cutting blades and increased running costs, as well as difficulties in maintaining sharpness and precision during cutting.
Innovation Solution
A thin-section preparation device that switches between a one-blade set state and a two-blade set state, allowing the same-width holder to effectively use two cutting blades by pressing them separately with distinct pressing plates, enabling stable holding and miniaturization, and allowing the cutting blades to be used for both rough and main cutting with reduced waste and improved sharpness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If two cutting blades are held side by side by a holder, then rough cutting and main cutting can be performed separately, but the holder size becomes large and rigidity deteriorates
Solution Approach 1:
The holder is designed to dynamically switch between holding one cutting blade and holding two cutting blades. The pressing plate can be positioned to press only one blade (one-blade set state) or both blades (two-blade set state), allowing the holder structure to adapt its configuration based on operational needs, thereby maintaining rigidity while enabling precise cutting when required
Solution Approach 2:
The holder is designed with multi-functionality to perform both one-blade and two-blade holding operations. The pressing mechanism can selectively press different blades, allowing the same holder structure to serve multiple cutting precision requirements without requiring separate holders for different cutting tasks
2Manufacturing precision
If two cutting blades are held side by side, then rough cutting and main cutting can be performed separately, but the holder size becomes large
Solution Approach 1:
The holder width is dynamically optimized by allowing the pressing plate to selectively position itself. When only one blade is needed, the holder maintains a compact width. When two blades are required, the pressing mechanism can extend to press both blades sequentially or simultaneously, avoiding the need for a permanently wide holder structure
Solution Approach 2:
The pressing function is segmented into separate pressing plates that can independently press different blades. This segmentation allows the holder to maintain a compact overall structure while still providing the capability to press multiple blades when needed, reducing the permanent width requirement
3Manufacturing precision
If a new cutting blade is used for rough cutting, then main cutting sharpness can be maintained, but cutting blade usage efficiency decreases
Solution Approach 1:
The system dynamically assigns cutting tasks to different blades based on their condition. The pressing mechanism can switch between pressing the first blade for rough cutting and the second blade for main cutting, or vice versa, allowing flexible utilization of blade sharpness levels to maximize overall efficiency while maintaining quality
Solution Approach 2:
The system recovers value from cutting blades by using them for appropriate cutting tasks based on their sharpness level. Instead of discarding or underutilizing blades, the pressing mechanism enables each blade to be used for the cutting task it is best suited for, maximizing the productive life and value of each blade
Data Source
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AI summary
A thin-section preparation method includes: a first rough cutting step of performing rough cutting of the embedded block (B) in one end region (D1) of a first cutting blade (121a) along a blade edge direction, in a one-blade set state where entire of the first cutting blade (121a) of the cutting blade (21) is held by a holder (22) in the blade edge direction; a first main cutting step of performing main cutting of the embedded block (B) which has been performed rough cutting in another end region (D2) of the first cutting blade (121a) along the blade edge direction in the one-blade set state; a second rough cutting step of performing rough cutting of the embedded block (B) in the other end region (D2) of the first cutting blade (121a), in a two-blade set state where the other end region (D2) of the first cutting blade (121a) and one end region (D1) of a second cutting blade (121b) of the cutting blade (21) along the blade edge direction are held by the holder (22); and a second main cutting step of performing main cutting of the embedded block (B) in the one end region (D1) of the second cutting blade (121b) in the two-blade set state.