Parallel Can Printing Layout for Protective Coating Throughput
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Solution Overview
Problem
The inefficiency in operations on can bodies due to the difference in operating capacity per unit time between printing devices and processing devices for forming protective layers on printed can bodies, requiring waiting periods between operations.
Innovation Solution
A printing system comprising a first and second printing device operating in parallel, an adjustment section to manage conveyance intervals, and a processing device to form a protective layer, ensuring synchronized operations and efficient throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single printing device and a single processing device are used sequentially, then the device complexity is low, but the productivity decreases due to waiting periods caused by capacity differences
Solution Approach 1:
The system divides the printing operation into multiple parallel printing devices (first printing device and second printing device), each capable of independent operation. This segmentation allows continuous processing without idle waiting periods, resolving the contradiction between maintaining simple device configuration and improving productivity.
Solution Approach 2:
An adjustment section is introduced as an intermediary component between the printing devices and the processing device. This mediator buffers and coordinates the output from multiple printing devices, enabling smooth material flow and eliminating waiting periods while maintaining systematic organization.
2Productivity
If multiple printing devices operate in parallel, then the productivity increases, but the device complexity increases due to additional equipment and coordination requirements
Solution Approach 1:
The adjustment section serves multiple functions: it collects printed can bodies from different printing devices, adjusts conveyance intervals to match processing device capacity, and coordinates the overall flow. This multi-functional component enables parallel printing operations without proportionally increasing system complexity.
3Productivity
If the conveyance interval is not adjusted, then the ease of operation is high, but the productivity decreases due to mismatched operating capacities between printing and processing devices
Solution Approach 1:
The adjustment section implements a feedback mechanism that monitors the output from printing devices and dynamically adjusts the conveyance interval to match the processing device's operating capacity. This automated coordination improves productivity while minimizing manual intervention, resolving the contradiction between operational simplicity and efficiency.
Data Source
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AI summary
A printing system includes: a first printing device configured to perform printing on a can body, a second printing device provided in parallel with the first printing device and configured to perform the printing on the can body, an adjustment section configured to collect plural can bodies having undergone the printing by the first printing device and the second printing device and adjust intervals of conveyance of the plural can bodies, and a processing device configured to perform processing to form a protective layer protecting an outer surface of each of the plural can bodies obtained from the adjusting section.