Paper Sheet Bundle Wrapping Apparatus Usage Rate
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Solution Overview
Problem
The paper sheet processing system's paper sheet bundle wrapping apparatus has a low usage rate due to its requirement for ten bundles of 100 paper sheets of the same kind to be accumulated before it can operate, leading to inefficient usage and reduced productivity.
Innovation Solution
The system includes a paper sheet processing apparatus with a taking-in unit, discrimination unit, accumulation part, binding unit, and communications unit that categorizes and binds paper sheets, and a bundle wrapping apparatus with a receiving unit, accumulation mechanism, conveyance mechanism, binding unit, and wrapping unit, which receives and processes bundles of 100 paper sheets, categorizes them, and binds them together with other bundles of the same category, increasing the apparatus's usage rate.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the paper sheet bundle wrapping apparatus waits for ten bundles of 100 paper sheets of the same kind to be accumulated before operating, then the binding quality and categorization accuracy are improved, but the apparatus usage rate and productivity deteriorate
Solution Approach 1:
The paper sheet processing apparatus performs preliminary classification and binding of paper sheets into bundles of 100 with category information attached before the bundle wrapping apparatus receives them. This preliminary action allows the wrapping apparatus to immediately process bundles as they arrive without waiting for accumulation, thereby maintaining binding quality while improving productivity
Solution Approach 2:
The binding process is segmented into two stages: first, the paper sheet processing apparatus binds sheets into smaller bundles of 100 with category identification; second, the bundle wrapping apparatus binds these pre-categorized bundles into larger bundles of 1000. This segmentation allows each apparatus to operate independently and continuously, improving overall productivity while maintaining quality
2Measurement precision
If the paper sheet bundle wrapping apparatus requires accumulation of ten bundles before operation, then the categorization accuracy is improved, but the loss of time and waiting period increase
Solution Approach 1:
Category information is attached to each bundle of 100 paper sheets during the preliminary binding process by the paper sheet processing apparatus. This preliminary categorization eliminates the need for the bundle wrapping apparatus to wait for accumulation to determine categories, as the categories are already identified on each incoming bundle, thereby reducing waiting time while maintaining categorization accuracy
Solution Approach 2:
Category information acts as an intermediary element that bridges the classification process and the binding process. By attaching category information to each bundle of 100 sheets, the system enables the bundle wrapping apparatus to immediately process bundles without waiting for accumulation, thus reducing time loss while preserving categorization accuracy
Data Source
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AI summary
A paper sheet processing system has a paper sheet processing apparatus and a paper sheet bundle wrapping apparatus. The paper sheet processing apparatus sends category information of a bundle of 100 paper sheets to the paper sheet bundle wrapping apparatus when discharging the bundle of 100 paper sheets. The paper sheet bundle wrapping apparatus classifies and accumulates the bundle of 100 paper sheets based on the category information when receiving the bundle of 100 paper sheets. The paper sheet bundle wrapping apparatus bands ten bundles of 100 paper sheets as a bundle of 1000 paper sheets. Since the paper sheet bundle wrapping apparatus receives the bundle of 100 paper sheets of different category from the paper sheet processing apparatus and accumulates the bundle of 100 paper sheets for every category to form the bundle of 1000 paper sheets, the usage rate of the paper sheet bundle wrapping apparatus becomes high.