Coating Apparatus Base Vibration Suppression
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Solution Overview
Problem
Existing coating apparatuses face challenges in effectively suppressing vibration, which can lead to poor surface profiles of coating films, such as stepped unevenness, and there is a lack of documented base structures to address this issue effectively.
Innovation Solution
A coating apparatus with a base that has a height of no more than 5 meters and a mean cross-sectional area of at least 3 square meters, made of concrete or reinforced concrete, which effectively suppresses vibration by limiting acceleration to 0.3 Gal at frequencies of 5 Hz or more, and may include vibration damping or isolation apparatuses to further reduce vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional base structure is used to support the coating apparatus, then the apparatus can be installed, but vibration cannot be effectively suppressed leading to poor coating film surface profiles
Solution Approach 1:
The invention changes the physical parameters of the base structure by specifying a height of 5 meters or less and a mean cross-sectional area of 3 square meters or more. These parameter modifications result in reduced vibration acceleration (0.3 Gal or less at 5 Hz or more), thereby improving coating film surface profile quality without introducing harmful vibration effects.
2Ease of operation
If the base height is increased to provide more support space, then installation flexibility improves, but vibration suppression effectiveness deteriorates
Solution Approach 1:
The invention establishes an optimal parameter range for base height (5 meters or less) that balances installation flexibility with vibration suppression effectiveness. This parameter constraint ensures that the base structure maintains sufficient support space while preventing excessive vibration acceleration that would compromise coating quality.
3Object-affected harmful factors
If the base cross-sectional area is increased to enhance stability, then vibration suppression improves, but device complexity and space requirements increase
Solution Approach 1:
The invention defines an optimal cross-sectional area parameter (3 square meters or more) that provides sufficient vibration suppression without excessive structural complexity. This parameter setting allows the base to effectively reduce vibration acceleration while maintaining reasonable structural design and installation complexity.
Data Source
AI summary
The coating apparatus includes a base for supporting a slot die, wherein the base has a height of not more than 5 m from a ground level, and a mean cross sectional area of not less than 3 m2 in terms of a horizontal direction.