Rotary Pressure Seam Smoothing for Die-Cast Ceramic Bodies
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Ceramic bodies produced through casting or die-casting processes often exhibit disruptive seams that are difficult to smooth, leading to suboptimal quality and increased rejects, especially when abrasive methods are used, which can result in bumps forming during firing.
Innovation Solution
A method and device for smoothing seams using a rotatable holding and pressure device with a pressure actuator, where the pressure surface corresponds to the ceramic body's outer contour, allowing for non-abrasive rolling of the seam into the body, ensuring a homogeneous surface that remains smooth post-firing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If abrasive methods are used to smooth seams, then the seams can be removed, but bumps form during firing and quality decreases
Solution Approach 1:
The patent replaces abrasive mechanical grinding with a pressure-based rolling mechanism. A pressure body with a pressure surface rolls over the seam area, applying controlled pressure to compact and smooth the seam without removing material. This substitution eliminates the harmful abrasive action that causes bumps during firing while achieving seamless smoothing through plastic deformation and compaction of the ceramic material.
2Manufacturing precision
If grinding devices are used to remove seams, then seams can be smoothed, but the process becomes complex and time-consuming
Solution Approach 1:
The patent extracts and eliminates the complex multi-component grinding system (grinding wheels, abrasives, cooling mechanisms, waste removal) and replaces it with a simple pressure body that rolls over the seam. The solution focuses on the essential function of seam smoothing through pressure application alone, removing unnecessary complexity from the device structure and process steps.
Solution Approach 2:
The patent changes the fundamental processing parameter from abrasive removal to pressure-based compaction. By applying controlled pressure through the rolling pressure body, the seam material is compacted and smoothed in place rather than being ground away. This parameter change simplifies the device design while maintaining effective seam removal capability.
3Manufacturing precision
If traditional smoothing methods are used, then seams can be addressed, but excess material is not properly incorporated leading to surface defects
Solution Approach 1:
The patent applies pressure to the seam area before firing, pre-compacting and incorporating the excess seam material into the surrounding ceramic matrix. The pressure body rolls over the seam while the ceramic is still in its green or leather-hard state, allowing the excess material to be plastically deformed and integrated into the body. This preliminary action ensures proper material incorporation before the firing process, preventing surface defects.
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 method and device enable precise and efficient smoothing of seams on ceramic bodies, improving quality and reducing rejects by incorporating excess material into the body, maintaining a smooth surface even after firing, and allowing for high-volume, high-quality production.
Implementation Method 1
pressing the pressure surface (11) against the seam (45) of the ceramic body (40) by a pressure actuator (12)
Implementation Method 2
rotating the ceramic body (40) and/or rotating the pressure surface (11), so that the pressure surface (11) rolls along the outer contour (43) of the ceramic body (40)
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A method for smoothing seams of ceramic bodies (40), in particular leather-hard ceramic bodies, especially die-cast ceramic bodies, is proposed, comprising the following steps: i) pressing a pressure surface (11) of a pressure body (10) against the seam of a ceramic body (40) by a pressure actuator (12), and ii) rotating the ceramic body (40) and/or rotating the pressure body (10) by a motor (30), such that the pressure surface (11) rotates at least part of the outer contour (43) of the ceramic body (40) under pressure on the ceramic body (40).