Cutting Force Analysis With Threshold Feedback for Tool Sharpness
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Solution Overview
Problem
Workers in industries that involve repetitive cutting tasks, such as vegetable or meat preparation, lack the ability to determine if their cutting technique is optimal or if their tools need sharpening, as there is no effective means to assess the force applied during cutting.
Innovation Solution
A cutting force analyser that includes weighing means to measure the weight and force applied to an object, compares this force to a pre-set threshold, and provides visual or aural feedback through indicating means, such as lights, to inform the worker of their cutting technique and tool condition.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If workers perform repetitive cutting tasks without force monitoring, then productivity is maintained, but cutting technique optimization and tool maintenance timing cannot be determined
Solution Approach 1:
The patent implements feedback by providing real-time visual or aural signals to workers when cutting force exceeds predetermined thresholds. The indicating means (visual display or audio output) communicates force magnitude to the worker during cutting operations, enabling immediate adjustment of technique or tool maintenance without complex analytical systems.
2Reliability
If a cutting force analyser is implemented, then cutting technique and tool condition can be assessed, but device complexity increases
Solution Approach 1:
The system enables self-service by allowing workers to independently monitor their own cutting force and tool condition through simple indicating means. The weighing means automatically measures force and compares it to stored thresholds for different products and blades, providing self-diagnostic capability without requiring external analysis or complex intervention.
Solution Approach 2:
The patent applies preliminary action by storing predetermined force thresholds for different products and blade types in advance. This allows the system to immediately compare measured force against appropriate benchmarks without requiring real-time analysis or complex decision-making, simply indicating when thresholds are exceeded.
3Loss of information
If real-time force feedback is provided to workers, then cutting technique can be optimized, but information processing requirements increase
Solution Approach 1:
The patent extracts only the essential information needed for workers - whether force exceeds predetermined thresholds - and presents it through simple indicating means. Complex force analysis, threshold comparison, and decision-making are handled automatically by the processor, with only the critical exceedance information being communicated to the worker through visual or aural signals.
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 cutting force analyser allows workers to adjust their technique and maintain optimal tool sharpness, reducing effort and improving product quality by providing instantaneous feedback on force application relative to established thresholds for different products and tools.
Implementation Method 1
The load cell(s) measure the force on the plate
Data Source
AI summary
A cutting force analyser is provided, comprising weighing means adapted to determine the weight of an object and force applied to the object; a record of a force threshold for cutting the object; and indicating means. The analyser is formed to use the weighing means to differentiate between the weight of the object and cutting force applied to it, to compare the cutting force with the force threshold, and to use the indicating means to communicate how the force compares with the threshold.