Side Edge Rigidity via Crease Formation
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Solution Overview
Problem
Existing post-processing systems for producing booklets lack an efficient method to impart rigidity to removed side edges, leading to storage inefficiencies and potential bending of these edges, which affects the overall processing efficiency and storage capacity.
Innovation Solution
A post-processing apparatus equipped with a side edge removing unit and a rigidity imparting unit that forms a crease along the longitudinal direction of the side edges, increasing their rigidity and enabling them to be stored more efficiently without bending.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If side edges are removed and stored without rigidity treatment, then storage capacity is reduced due to bending and inefficiency, but adding rigidity treatment increases device complexity
Solution Approach 1:
The rigidity imparting unit changes the physical parameter of the side edge by forming a crease, transforming it from a flexible state to a rigid state. This parameter change enables the side edges to maintain their shape during storage, increasing storage capacity and efficiency without requiring complex storage mechanisms
Solution Approach 2:
The side edge removes itself from the main sheet and simultaneously imparts rigidity to itself through the crease formation process. This self-service mechanism eliminates the need for separate handling and storage preparation steps, improving storage capacity while keeping the device structure relatively simple
2Productivity
If side edges are removed and stored without rigidity treatment, then processing efficiency is reduced due to bending issues, but implementing rigidity treatment increases manufacturing complexity
Solution Approach 1:
The side edge removing unit and the rigidity imparting unit are combined into a single integrated system. The crease formation occurs simultaneously with the side edge removal process, eliminating the need for separate manufacturing steps and improving processing efficiency without significantly increasing manufacturing complexity
Solution Approach 2:
The rigidity is imparted to the side edges at the moment of removal, before the edges need to be stored or handled further. This preliminary action prevents bending issues from occurring in the first place, maintaining high processing efficiency while avoiding the need for complex post-processing or specialized storage solutions
Data Source
AI summary
A post-processing apparatus includes a side edge removing unit that removes a side edge of a sheet, and a rigidity imparting unit that imparts rigidity to the side edge that is removed by the side edge removing unit such that the side edge has a higher rigidity in a longitudinal direction of the side edge than a body of the sheet from which the side edge is removed.