Annular Cutting Head with Dual Edges for Potato Chip Width Control
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Solution Overview
Problem
Current potato chip manufacturing methods face challenges with large potato slices that are difficult to package, leading to packaging inefficiencies, increased production costs, and consumer complaints due to wasted products and unacceptable packaging quality.
Innovation Solution
An annular-shaped cutting head with a central impeller and dual cutting edges, where the second cutting edge is positioned above the impeller to cut excessively wide slices into two portions, ensuring a controlled maximum width for efficient packaging and reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If potatoes are used which are too large for the cutting head to process, then productivity and efficiency of the potato chip manufacturing process is increased, but the potato slices become excessively large and difficult to package
Solution Approach 1:
The cutting apparatus divides the potato slicing process into two sequential stages: first cutting edges produce initial slices, then second cutting edges trim excessively wide slices. This segmentation allows large potatoes to be processed into packageable slices without requiring pre-grading, resolving the contradiction between productivity and packaging ease.
2Ease of operation
If a grader halver is used to cut potatoes in half prior to slicing, then the slice dimensions are reduced for better packaging, but the production line cost is increased and production speeds are reduced
Solution Approach 1:
The trimming function is merged into the existing slicing apparatus by adding second cutting edges to the same cutting head that contains the first cutting edges. This integration eliminates the need for separate grader halver equipment and reduces production line complexity, maintaining high production speeds while achieving packageable slice dimensions.
3Ease of operation
If packaging machines with chip breakers are used to remove excessively large potato chips, then packaging problems are alleviated, but product waste is caused and crumbs are produced which are not acceptable to consumers
Solution Approach 1:
The trimming of excessively wide slices is performed preliminarily during the slicing process itself, before the chips reach the packaging stage. By removing excess width at the cutting head, the need for downstream chip breaking is eliminated, preventing product waste and avoiding the creation of consumer-unacceptable crumbs.
4Ease of operation
If small potatoes are used to minimize packaging problems, then packaging efficiency is improved, but the productivity and efficiency of the potato chip manufacturing process is reduced and production line cost is increased
Solution Approach 1:
The apparatus changes the cutting parameters by implementing a two-stage cutting mechanism with different cutting edge configurations. This allows the system to process large potatoes (which have higher agronomic productivity) and transform them into slices with optimal packaging dimensions, eliminating the need to use smaller potatoes and maintaining both productivity and packaging efficiency.
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 solution allows for reliable high-speed packaging, reduced production costs, and increased efficiency by minimizing packaging waste and enabling the use of larger potatoes, while maintaining acceptable chip quality and density.
Implementation Method 1
a central impeller assembly coaxially mounted for rotation within the cutting head to deliver food products, such as potatoes, radially outwardly toward the cutting head
Implementation Method 2
A series of knives is mounted annularly around the cutting head and the knife cutting edges extend substantially circumferentially but slightly radially inwardly towards the impeller assembly
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
A potato chip cutting apparatus (2), the apparatus comprising an annular-shaped cutting head (4) and a central impeller (14) coaxially mounted for rotation within the cutting head (4) for delivering potatoes radially outwardly toward the cutting head (4), the impeller (14) having a base (16) with an upper surface (18) across which potatoes are, in use, delivered to the cutting head (4), a plurality of knives (8) serially mounted annularly around the cutting head (4), each knife (8) having a first cutting edge (10) extending substantially vertically and spaced from the cutting head (4) to provide a gap (12), extending in a radial direction, between the first cutting edge (10) and the cutting head (4), each knife (8) also having a second cutting edge (36) extending substantially horizontally and extending radially at least partly across the gap (12), the second cutting edge (36) being located at least 50mm above the upper surface (18) of the impeller (14) to define a cutting zone (38) for cutting a single potato slice between the upper surface (18) of the impeller (14) and the second cutting edge (36).