Sliding-Block Spreading for High-Hydration Dough Quality
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Solution Overview
Problem
Industrial rolling units struggle to handle highly hydrated doughs, resulting in products with inferior quality and appearance compared to handcrafted ones, and lack the ability to replicate manual finger impressions.
Innovation Solution
A device with a frame and sliding blocks that transversely stretch dough, mimicking manual spreading, suitable for high-hydration doughs, and capable of imprinting finger-like impressions, using actuators for controlled displacement to widen and thin the dough.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If industrial rolling units are used to spread dough, then productivity is improved, but the quality and appearance of the product deteriorates compared to handcrafted products
Solution Approach 1:
The device segments the spreading action into multiple sliding blocks that independently move across the dough surface, replicating the distributed pressure pattern of manual finger spreading. This segmentation allows automated operation while maintaining handcrafted-like quality characteristics.
Solution Approach 2:
The device copies the essential characteristics of manual spreading by using sliding blocks that create finger-like impressions and apply pressure in a pattern similar to human fingers. This copying approach preserves the aesthetic and textural qualities of handcrafted products while achieving automated productivity.
2Productivity
If industrial rolling units are used on high-hydration doughs, then productivity is improved, but the dough tears and product integrity deteriorates
Solution Approach 1:
The device applies local quality by distributing pressure through multiple sliding blocks across different locations on the dough surface simultaneously. This localized pressure distribution prevents concentration of force that would tear high-hydration dough, while maintaining overall spreading effectiveness for high productivity.
Solution Approach 2:
The sliding blocks dynamically adjust their positions and pressure application during the spreading process, allowing the system to adapt to the delicate properties of high-hydration dough. This dynamic action prevents tearing while maintaining spreading efficiency.
3Manufacturing precision
If manual spreading is used to maintain product quality, then manufacturing precision is improved, but productivity deteriorates
Solution Approach 1:
The device copies the essential spreading action and finger impression characteristics of manual operation, preserving product quality while eliminating the productivity limitations of manual labor. Multiple sliding blocks simulate multiple fingers working in parallel.
Solution Approach 2:
The device substitutes the human operator's mechanical action with an automated mechanical system using sliding blocks and actuators. This substitution maintains the quality characteristics of manual spreading while achieving consistent, high-speed automated operation.
4Manufacturing precision
If a complex automated system is designed to replicate manual spreading, then manufacturing precision is improved, but device complexity increases
Solution Approach 1:
The device uses segmentation of the spreading function into multiple independent sliding blocks, each capable of simple translational motion. This segmentation achieves complex spreading patterns through simple component actions, reducing overall system complexity while maintaining manufacturing precision.
Solution Approach 2:
The sliding blocks serve multiple functions: they apply pressure for spreading, create finger-like impressions for aesthetic quality, and distribute force evenly across the dough. This multi-functionality reduces the need for separate components, simplifying the overall device structure.
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 automated production of laminar baked goods with handcrafted-like qualities, high productivity, ease of sanitation, and cost-effectiveness, while maintaining product integrity.
Implementation Method 1
the translation of said blocks from a first arrangement, in which they are mutually close, to a second arrangement, in which they are mutually spaced, producing the transverse stretching of said predefined quantity of dough with consequent widening thereof and reduction of its thickness
Data Source
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AI summary
A device (1) for spreading doughs of the type comprising at least one supporting surface (2) on which a predefined quantity of dough (A) can be accommodated. The device (1) comprises movement means for a frame (3) which accommodates sliding blocks (4) which protrude toward the supporting surface (2). The movement means are configured for at least one displacement of the frame (3) from a first configuration of maximum distance of the blocks (4) from the surface (2) to a second configuration of minimum distance. The blocks (4) are controlled by a respective actuator configured for their translation according to a predefined stroke on their plane of arrangement. When the frame (3) is in the second configuration, the translation of the blocks (4) occurs from a first arrangement, in which they are mutually close, to a second arrangement, in which they are mutually spaced, producing the transverse stretching of the predefined quantity of dough (A) with consequent widening thereof and reduction of its thickness.