Ceramic Slab Pressing with Segmented Zone Material
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Solution Overview
Problem
Traditional presses for ceramic tiles, especially those designed for large formats, face limitations in uniformly distributing pressure due to structural deformations, and the use of format compensators is cumbersome and prone to wear, making it difficult to efficiently press smaller formats.
Innovation Solution
A method involving a pressing device with a layer of granular material comprising a primary zone for the ceramic product and a secondary zone to fill gaps, allowing uniform pressure distribution and material reuse, thereby optimizing press performance across various formats without the need for frequent compensator replacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional presses with circular presser elements are used to maintain uniform pressure distribution, then structural rigidity is improved, but the ability to press large format slabs is limited due to geometric mismatch
Solution Approach 1:
The presser element is divided into multiple independent pressing units arranged in an array, each unit capable of independently applying pressure to different zones of the slab. This segmentation allows the pressing surface to match the large format area while maintaining uniform pressure distribution through coordinated control of individual units.
Solution Approach 2:
The presser element transitions from a traditional circular cross-section to a planar array configuration, fundamentally changing the geometry from a single-point contact to a distributed surface contact. This dimensional change enables coverage of large format areas while maintaining pressure uniformity through the distributed arrangement of pressing units.
2Adaptability or versatility
If format thickness compensators are used to press smaller formats, then pressing capability for various formats is improved, but device complexity and maintenance requirements increase due to wear
Solution Approach 1:
The pressing system incorporates adjustable pressing units that can dynamically adapt their position and pressure application points based on the format being pressed. This dynamic adjustment capability allows the same press to handle various formats without requiring physical compensators, reducing complexity while maintaining versatility.
Solution Approach 2:
The array of pressing units serves multiple functions: it can press different formats, adjust to various thickness requirements, and maintain uniform pressure across different slab sizes. This multi-functionality eliminates the need for separate compensator mechanisms for each format, simplifying the overall device while enhancing adaptability.
3Area of stationary object
If oversized pressers are used for smaller formats, then the press structure can handle maximum format capacity, but uniform pressure distribution deteriorates due to excessive thrust concentration
Solution Approach 1:
The oversized presser capability is achieved through segmentation into multiple independent pressing units distributed across the large format area. When pressing smaller formats, only the necessary subset of units is activated, distributing the thrust across multiple points rather than concentrating it, thereby maintaining pressure uniformity while preserving maximum pressing capacity.
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
This approach ensures uniform pressure distribution and reduces material costs by allowing the press to operate efficiently across different formats, minimizing wear and the complexity of compensator coordination, while enabling the reuse of materials for subsequent production cycles.
Implementation Method 1
presses suitable for producing ceramic tiles, normally hydraulic
Implementation Method 2
exert a pressing action on the pressing plane (2)
Data Source
AI summary
A pressing method for pressing ceramic slabs, comprising the following steps: spreading a layer (1) of granular or powdered material onto a pressing plane (2), wherein the layer (1) comprises at least a first zone (11), with a prefixed area and border, made of a granular or powdered primary material, and at least a second zone (12), with a prefixed area and border, made of a granular or powdered secondary material different from the primary material; pressing the layer (1) using a press (P); separating at least a main portion (10) of the first zone (11) from the second zone (12).