Web Material Indicator Code for Automated Finishing
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Solution Overview
Problem
Conventional discontinuous manufacturing processes for rolled goods are limited in producing small, customized batch orders due to slower processing speeds, as they rely on manual inspection and cannot efficiently differentiate and finish sub-processes at higher rates.
Innovation Solution
A unique indicator code is applied to the web material during processing, allowing for automated determination of subsequent finishing steps at a remote location, enabling decoupled stations to operate at their highest efficiency and facilitating higher output rates for customized products by automating batch order production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual inspection and processing changes are used for customized batch orders, then processing accuracy is maintained, but productivity is reduced
Solution Approach 1:
The patent replaces manual inspection and decision-making with an automated optical scanning system that reads indicator codes on web material. This optical-mechanical substitution enables the system to automatically determine finishing steps without operator intervention, thereby increasing productivity while maintaining processing accuracy through automated control.
Solution Approach 2:
The web material carries indicator codes that contain information about required finishing steps. The system reads these codes and automatically determines the processing path without external manual input. This self-service mechanism allows the material to 'tell' the system what processing it needs, eliminating manual inspection while maintaining accuracy.
2Productivity
If decoupled stations operate at highest efficiency rates, then productivity is improved, but device complexity increases
Solution Approach 1:
The manufacturing process is divided into separate decoupled stations, each capable of operating at its own optimal speed. The web material moves between stations on rolls, allowing each station to be optimized independently. This segmentation increases overall productivity while the standardized indicator code system manages the complexity of coordinating multiple stations.
Solution Approach 2:
The indicator code on the web material serves as an intermediary that carries information between stations. This intermediary enables decoupled stations to communicate processing requirements without direct mechanical or electronic coupling, allowing each station to operate independently at high efficiency while maintaining process coordination.
3Extent of automation
If automated indicator code reading is implemented, then extent of automation is improved, but measurement precision requirements increase
Solution Approach 1:
The indicator code is applied to the web material during the initial processing stage, before the material reaches the finishing station. This preliminary action ensures the code is already in place and can be read by automated scanners without requiring high-precision positioning or alignment during the finishing operation, thereby reducing measurement precision requirements while maintaining automation.
Data Source
AI summary
A discontinuous manufacturing process performs at least one processing step on a web of material unwound from a roll, applies an indicator code to the unwound web of material for indicating at least one finishing step the web of material is to be subjected to, rewinds the web of material having the indicator code on another roll and then transfers the rewound web of material to a remote finishing facility. At the remote finishing facility, the web of material is again unwound and transported towards a finishing station. The indicator code on the web of material is read at the finishing station and then directed to a location where an appropriate finishing step is performed on the web of material prior to it being rewound on a roll to form a product roll.