Reconfigurable Converting Line for Taped and Pant Diapers
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Solution Overview
Problem
Converting lines for disposable absorbent articles, such as diapers, are often inflexible and require separate machinery for producing different types of products, leading to high costs and inefficiencies, as they are custom-designed for specific products like taped or pant diapers, limiting manufacturers' ability to offer a variety of products in changing market demands.
Innovation Solution
A reconfigurable converting line that uses a high percentage of the same transformation mechanisms to produce both taped and pant diapers, allowing for efficient switching between configurations with minimal changes in process sequences, thereby reducing capital costs and increasing flexibility to meet market demands.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a converting line is custom designed to produce only one type of diaper (taped or pant), then the manufacturing precision and productivity for that specific product is optimized, but the adaptability to produce different product types is lost
Solution Approach 1:
The converting line is designed with universal transformation mechanisms that can perform multiple functions - producing both taped diapers and pant diapers using the same basic equipment and processes. This multi-functionality allows a single line to serve multiple product types, eliminating the need for separate custom lines for each product type while maintaining high production speeds.
2Manufacturing precision
If separate converting lines are maintained for taped and pant diapers, then the manufacturing precision for each product type is optimized, but the device complexity and capital costs increase
Solution Approach 1:
A single converting line is designed with universal transformation mechanisms that can produce both taped and pant diapers, eliminating the need for separate dedicated lines. This reduces device complexity and capital costs while maintaining manufacturing precision through controlled transformation processes.
Solution Approach 2:
The converting line incorporates dynamic reconfiguration capabilities, allowing it to switch between producing taped and pant diapers by adjusting process parameters and transformation sequences. This dynamic adaptability enables one line to perform the work of multiple static specialized lines.
3Productivity
If a converting line is designed for high speed production of a specific product, then the productivity is maximized, but the adaptability to change product types is reduced
Solution Approach 1:
The converting line uses dynamic transformation mechanisms that can be reconfigured to produce different product types while maintaining high speed operation. The same transformation mechanisms that produce taped diapers can be adjusted to produce pant diapers, allowing rapid adaptation without sacrificing productivity.
Solution Approach 2:
The converting line utilizes parameter changes in transformation mechanisms to switch between product types. By adjusting process parameters such as transformation timing, positioning, and configuration, the line can maintain high production speeds while adapting to different diaper types.
4Ease of manufacture
If custom converting lines are built for specific products, then the ease of manufacture for that product is optimized, but the loss of time for line changes increases
Solution Approach 1:
The converting line incorporates dynamic reconfiguration capabilities that allow rapid switching between product types. The transformation mechanisms are designed to be easily adjusted, minimizing line changeover time while maintaining process efficiency for both taped and pant diaper production.
Data Source
AI summary
The present disclosure relates to taped and pant articles comprising substantially identical chassis.