Apex-Shaped Heating Surfaces for Sheet Material Positioning
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Solution Overview
Problem
Existing heating devices for sheet materials often result in material slipping, leading to random displacement and uneven heating, which requires subsequent devices to be specially designed to compensate for these variations.
Innovation Solution
A heating device with at least two guiding elements and apex-shaped heating surfaces that maintain the sheet in place, ensuring all parts are heated uniformly, with heatable guiding elements that match the temperature of the heating surfaces to prevent slipping and ensure homogeneous heating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional heating devices are used without guiding elements, then the device structure is simple, but the material slips inside the heating device causing random displacement and uneven heating
Solution Approach 1:
Guiding elements are introduced as intermediary components between the material and the heating surfaces. These guiding elements constrain the material laterally while allowing thermal contact with the heating surfaces, thereby preventing slipping without blocking heat transfer. The guiding elements act as mediators that enable precise material positioning while maintaining heating effectiveness.
Solution Approach 2:
The heating device is segmented into distinct functional zones: guiding elements for lateral constraint, heating surfaces for thermal treatment, and gap regions for material passage. This segmentation allows each component to perform its specific function optimally - the guiding elements provide position control while the heating surfaces deliver uniform thermal energy distribution.
2Reliability
If the heating device is positioned far from subsequent processing devices, then heat dissipation is reduced, but the sheet is not guided and heated over long distance causing displacement
Solution Approach 1:
The guiding elements serve as intermediaries that maintain sheet position control even at reduced distances from subsequent processing devices. By constraining the sheet laterally throughout the heating zone and into the gap region, the guiding elements ensure the sheet remains properly positioned without requiring long distances for heat dissipation.
3Manufacturing precision
If guiding elements are added to prevent material slipping, then material position is controlled, but the device complexity increases
Solution Approach 1:
The guiding elements are designed as simple intermediary components that provide lateral constraint without interfering with the heating function. These elements can be implemented as basic mechanical guides or fixtures that constrain the sheet edges while allowing thermal contact, thereby achieving precise alignment with minimal structural complexity.
4Loss of energy
If heating surfaces are positioned close to subsequent devices, then the distance for heat dissipation is reduced, but the sheet may slip outside the heating device
Solution Approach 1:
The guiding elements act as intermediaries that prevent material slipping even when the heating device is positioned close to subsequent processing equipment. By providing lateral constraint throughout the heating zone and into the gap region, the guiding elements ensure the material remains properly positioned without requiring large safety distances.
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 solution effectively prevents material slipping and ensures uniform heating, allowing for precise temperature control and consistent sheet alignment, reducing temperature differences and warping, and facilitating seamless integration with subsequent processing devices like calander rolls.
Implementation Method 1
The first heating surface (1) and the second heating surface (2) are heatable and heat up the guiding elements (4). Preferably, the first heating surface (1), the second heating surface (2) and also both guiding elements (4) have approximately the same temperature.
Implementation Method 2
the first heating surface (1), the second heating surface (2) and also both guiding elements (4) have approximately the same temperature
Data Source
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AI summary
The invention pertains to a heating device (3) for sheet (6), comprising at least a first heating surface (1) and a second heating surface (2), whereby the first and the second heating surfaces (1, 2) are arranged such, that the first and the second heating surfaces (1, 2) are on the top of the other, whereby at least two guiding elements (4) are arranged between the first and the second heating surfaces (1, 2) such, that the sheet (6) is guided between the first and second heating surfaces (1, 2) and whereby the first and/or the second heating surface has or have at least one end in apex form. The invention pertains also to a manufacturing device comprising a heating device (3).