Spiral cutting accessory
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Solution Overview
Problem
Conventional food processors are unable to make continuous, longitudinal, helical spiral cuts in food due to the high spindle speed, which is not suitable for such cuts.
Innovation Solution
An accessory with a power train that couples to the food processor's spindle to rotate a cutting disk at a slower speed, offset from the spindle, and fits within the bowl beneath the lid, maintaining alignment with the feedtube and utilizing a secondary feed chute for efficient cutting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the food processor spindle operates at high speed (1500 rpm), then productivity is improved, but the ability to make spiral cuts deteriorates
Solution Approach 1:
The system is divided into two independent rotational components: the high-speed spindle for productivity and the offset cutting disk for spiral cutting functionality. This segmentation allows each component to operate at its optimal speed independently, resolving the contradiction between high-speed productivity and spiral cutting adaptability
Solution Approach 2:
A power train mechanism acts as an intermediary between the high-speed spindle and the cutting disk. This intermediary transfers and modifies the rotational motion, converting high-speed spindle rotation into slower cutting disk rotation while maintaining the spiral cutting capability
2Adaptability or versatility
If a power train is added to reduce cutting speed, then spiral cutting capability is improved, but device complexity increases
Solution Approach 1:
The power train mechanism serves multiple functions simultaneously: it reduces rotational speed, transmits power from the spindle, and enables spiral cutting capability. By consolidating these functions into a single mechanism, the overall device complexity is managed while achieving the desired spiral cutting functionality
3Adaptability or versatility
If the cutting disk is offset from the spindle, then spiral cutting is enabled, but alignment precision with feedtube becomes more difficult
Solution Approach 1:
The cutting disk is deliberately positioned asymmetrically (offset) from the spindle axis, which is necessary to create the spiral cutting motion. This asymmetric positioning is made possible by the power train mechanism that accommodates the offset while maintaining proper alignment with the feedtube through designed mounting features
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
Enables the creation of spiral cuts in food by reducing the spindle speed and ensuring precise alignment, allowing for effective cutting and collection of food within the bowl.
Implementation Method 1
The power train reduces the speed of rotation of the spindle to a slower speed of rotation of the cutting disk
Data Source
AI summary
A cutting accessory for a food processor has a body that fits within the food processor's bowl and lid. The body supports a cutting disc that is offset to the food processor's spindle. The cutting disc is driven by the rotation of the spindle.