Multi-ram Press for Layered Metal Ceramic Compacts
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Solution Overview
Problem
Existing methods for pressing compacts from metallic and ceramic materials in powder or granular form struggle to efficiently produce complex structures and achieve rapid material distribution, particularly when dealing with multiple materials.
Innovation Solution
A method involving a press with adjustable upper and underside rams that allow for differential height adjustments along a pressing direction, enabling the sequential filling and compaction of multiple materials within a die opening, ensuring clean separation and high precision in forming multi-layered compacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional pressing methods with fixed or uniformly adjustable stamps are used, then the pressing process is simple, but complex structures and rapid material distribution cannot be achieved
Solution Approach 1:
The press implements individually adjustable stamps that can be independently positioned along the pressing direction, transforming the static pressing tool into a dynamic system. Each stamp can be adjusted to different heights and positions, enabling rapid adaptation to complex structures and multi-material distributions without requiring complete reconfiguration of the pressing system.
Solution Approach 2:
The pressing system is divided into multiple independently controllable stamps rather than a single unified pressing mechanism. Each stamp can be adjusted and controlled separately, allowing for complex structure formation and rapid material distribution by coordinating the movement and positioning of individual stamps during the pressing process.
2Manufacturing precision
If multiple materials are pressed simultaneously with uniform stamps, then the pressing process is simple, but clean material separation cannot be achieved
Solution Approach 1:
Each stamp is equipped with individually adjustable pressing surfaces that can be positioned at different heights and orientations. This local adjustability allows the pressing force to be applied differently at various locations, ensuring clean separation between different materials by adapting the pressing parameters to the specific requirements of each material layer and interface.
3Manufacturing precision
If individually adjustable stamps are used for complex structures, then manufacturing precision is improved, but the pressing process becomes more complex and time-consuming
Solution Approach 1:
The system uses dynamically adjustable stamps that can be rapidly repositioned and reconfigured during the pressing process. This dynamic capability allows the press to adapt to complex structures without requiring multiple separate pressing operations, maintaining high precision while reducing overall process time through coordinated movement of adjustable components.
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 allows for the rapid and precise production of complex structures with clean material separation and sufficient pressing force, reducing technical effort and time while maintaining high precision in compact formation.
Implementation Method 1
press stamps arranged on the underside and upper side between them material columns made of at least two different metallic and / or ceramic powder and / or press granular materials
Data Source
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AI summary
The invention relates to a method for pressing a compact (30) from at least two different metal and/or ceramic pulverulent and/or granular materials (p1, p2, p3). A die opening (21) of a die (20) is filled with a first such material (p1) (1; 4). In the die opening (21), at least two top-side plungers (22, 24) are thereupon placed at least temporarily onto the material (p1) (2) and press plungers (22, 23, 24, 25) arranged on the underside and top side are adjusted in a pressing direction to different heights together with material columns located in between (2 - 3). After the top-side press plunger (24, 25) has been withdrawn, the second material (p2) is filled into the die opening (21) (4). As a final step, the material (p1, p2) is finally compacted by way of the at least two top-side plungers (24, 25) (9 - 10).