Glass Roll Packaging Unit with Vibration Decoupling
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Solution Overview
Problem
Current packaging solutions for glass rolls on winding cores are inadequate in preventing breakage and cracks during storage and transport due to insufficient protection against mechanical stresses, vibrations, and jolts, and they are not easily handleable or cost-effective.
Innovation Solution
A packaging unit with a transport unit that includes a mounting support for the winding core, featuring spring elements and damping elements to secure the glass roll against movement in all directions, absorb vibrations, and reduce resonance frequencies, allowing for secure handling and storage of thin glass rolls.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If tight winding radii are used to reduce transportation and storage costs, then compactness and cost-effectiveness are improved, but tensile stresses in the glass ribbon increase and the risk of breakage worsens
Solution Approach 1:
The patent applies beforehand cushioning by providing a mounting support with cushioning elements that are positioned in advance to support the glass roll during transport. The cushioning elements are designed to distribute mechanical stresses and prevent concentration of forces that could lead to breakage, allowing tight winding radii to be used without increasing breakage risk.
Solution Approach 2:
The mounting support acts as an intermediary between the glass roll and the transport environment. It mediates the mechanical stresses by providing a stable support structure with cushioning elements that isolate the glass roll from harmful external forces during transportation and storage.
2Ease of operation
If the glass roll is placed directly onto a storage surface to simplify handling, then ease of operation is improved, but stress concentration occurs in the contact region and fractures in the glass worsen
Solution Approach 1:
The mounting support serves as an intermediary between the glass roll and the storage surface or transport vehicle. It provides a distributed support structure that prevents direct contact between the glass roll and the storage surface, thereby eliminating stress concentration points while maintaining ease of handling through standardized interfaces.
Solution Approach 2:
The mounting support segments the support function into multiple contact points or distributed support areas rather than a single contact point. This segmentation distributes the mechanical load across multiple locations, preventing stress concentration and reducing the risk of fractures while maintaining handling simplicity.
3Object-affected harmful factors
If vibration-decoupling is implemented to protect the glass roll, then breakage protection is improved, but resonances occur which increase the acting acceleration many times over
Solution Approach 1:
The mounting support changes the physical parameters of the support system by using cushioning elements with specific damping characteristics. These elements are designed to reduce the quality factor of resonance, thereby limiting the amplification of acting acceleration while still providing effective vibration decoupling and breakage protection.
Solution Approach 2:
The mounting support converts the potentially harmful effect of vibrations into a beneficial damping effect. The cushioning elements are designed to absorb and dissipate vibrational energy, transforming the harmful vibrations into heat through internal friction, thereby reducing the resonance amplification while maintaining protection.
4Ease of manufacture
If a simple packaging design is used to reduce cost and improve recyclability, then ease of manufacture and environmental friendliness are improved, but protection against jolts and vibrations worsens
Solution Approach 1:
The mounting support is designed as a universal, multi-functional component that combines several protection functions into a single structure. It provides mechanical support, vibration damping, and shock absorption simultaneously, achieving adequate protection without requiring complex multi-component packaging systems.
Solution Approach 2:
The mounting support achieves effective protection with simple design by optimizing the parameters of the cushioning elements, such as material selection, thickness, and geometric configuration. These parameter optimizations enable adequate protection against jolts and vibrations while maintaining manufacturing simplicity and cost-effectiveness.
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 packaging unit effectively reduces the risk of breakage and cracks by securing the glass roll against movement and vibrations, meeting ASTM standards for stacking and vehicle stacking, and allowing for easy handling and unloading from all sides, while being cost-effective and environmentally friendly.
Implementation Method 1
spring elements and damping elements to secure the glass roll against movement in all directions, absorb vibrations, and reduce resonance frequencies
Implementation Method 2
absorb vibrations, and reduce resonance frequencies
Implementation Method 3
The damping elements have a configuration and/or arrangement and/or material composition such that the acceleration factor for a glass roll packaged in the packaging unit at a resonance frequency of the packaging unit with glass roll is limited to a predetermined value
Data Source
AI summary
A packaging unit for a glass wound on a winding shaft includes a transport unit with a mounting support for the winding core which has a transport unit interior part and a transport unit exterior part. The transport unit interior part includes a floor element and side elements. The transport unit exterior part includes a floor element, side elements and a cover element. The mounting support for the winding core is always connected with or formed by two side elements of the transport unit interior part which are located opposite each other. The transport unit interior part is spaced apart from the transport unit exterior part in a floor region by spring elements, so that the transport unit interior part is arranged vibration-decoupled from the transport unit exterior part. A method of utilizing a transport unit for packaging a glass that is wound on a winding core is also disclosed.