Metal Spring Press Pad Structure for Heat Transfer and Fatigue Resistance
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Solution Overview
Problem
Existing press pads for hydraulic heating presses face issues with material fatigue, particularly in maintaining high resilience and thermal conductivity over extended periods, leading to early replacement and environmental pollution, and struggle to accommodate changes in board formats during the coating process.
Innovation Solution
The integration of metallic spring elements, such as steel or copper alloys, which are glued, soldered, or welded to the press or heating plates, combined with a textile fabric, to create a support structure that enhances both thermal conductivity and resilience, with the option of embedding spring elements in elastomeric materials for improved heat transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional elastomer-based press pads are used, then the press pads provide cushioning and pressure distribution, but they suffer from material fatigue at high temperatures leading to early replacement
Solution Approach 1:
The invention changes the material parameter from traditional elastomer to metallic spring element, fundamentally altering the physical and chemical properties to achieve high-temperature resistance and fatigue resistance while maintaining the cushioning function
Solution Approach 2:
The invention creates a composite structure by embedding metallic spring elements within an elastomer matrix, combining the high-temperature resistance of metal with the cushioning properties of elastomer to resolve the contradiction between durability and service life
2Temperature
If elastomer materials are used in press pads, then they provide resilience and cushioning, but they have limited thermal conductivity affecting heat transfer efficiency
Solution Approach 1:
The composite structure of metallic spring elements embedded in elastomer creates a thermal conduction network that significantly improves heat transfer efficiency while the elastomer matrix maintains the cushioning and resilience functions, resolving the contradiction between thermal performance and functional reliability
3Manufacturing precision
If press pads are replaced frequently due to material fatigue, then surface quality can be maintained, but production downtime increases
Solution Approach 1:
By changing the material from elastomer to metallic spring element, the invention achieves resistance to material fatigue and degradation at high temperatures, allowing the press pad to maintain surface quality over extended periods and reduce replacement frequency, thereby minimizing production downtime
4Ease of operation
If conventional press pads are used, then they provide basic cushioning, but they have poor recyclability increasing environmental impact
Solution Approach 1:
The invention changes the material composition to metallic spring elements which are inherently more recyclable and environmentally friendly compared to conventional elastomer materials, while maintaining the essential cushioning function through the elastic properties of the metal springs
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 solution provides press pads with sustained high elastic resilience and excellent thermal conductivity, extending service life and enabling efficient heat transfer, while allowing for format changes without damaging the pressed material.
Implementation Method 1
utilizing high elasticity and thermal conductivity properties of metals to maintain long-term performance and efficient heat transfer
Implementation Method 2
A pressing pad unit with metallic spring elements connected to a heating or press plate, utilizing high elasticity and thermal conductivity properties of metals
Data Source
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AI summary
The invention relates to a press pad (1) for use in a hydraulic single- or multi-stage heating press, comprising a planar support structure (2) and a plurality of metallic spring elements (3) connected to and distributed within or on the support structure (2). The support structure (2) comprises a metallic plate, namely a press plate (29) or a heating plate (28) of the single- or multi-stage heating press, and the spring elements (3) are bonded, soldered, welded, and/or positively connected to the plate. The invention further relates to a press pad-press plate unit (32) or a press pad-heating plate unit (31).