Roll Sheet Conveyance With In-Process Type Detection
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Solution Overview
Problem
Existing recording apparatuses require time-consuming sheet type identification prior to conveyance, leading to potential delays and conveyance failures.
Innovation Solution
A conveyance apparatus equipped with a sheet type identifying sensor and control unit to identify sheet type during conveyance, adjusting mechanical operation settings based on real-time data to prevent failures and optimize conveyance speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sheet type identification is performed prior to conveyance, then conveyance reliability is improved, but conveyance time increases
Solution Approach 1:
The sensor performs sheet type identification in advance during the conveyance process, allowing the control unit to prepare appropriate conveyance parameters before the sheet reaches the recording position, thus preventing conveyance failures without adding time
Solution Approach 2:
The sheet type identification is performed continuously during conveyance rather than as a separate preliminary step, maintaining continuous operation and eliminating additional time for identification
2Productivity
If conveyance speed is increased, then productivity is improved, but conveyance failures increase
Solution Approach 1:
The conveyance speed is made dynamic rather than fixed, allowing the control unit to adjust the speed based on the identified sheet type, thus maintaining high productivity while preventing conveyance failures through adaptive speed control
Solution Approach 2:
The conveyance parameters including speed are changed based on sheet type identification results, allowing optimization of speed for each sheet type to achieve both high productivity and reliable conveyance
Data Source
AI summary
A conveyance apparatus includes a set unit, a conveyance unit, a first sensor, a control unit, and a platen. The set unit allows a roll sheet to be set. The conveyance unit convey the roll sheet. The first sensor acquires data to be used to identify a type of the roll sheet during sheet conveyance by the conveyance unit. The control unit controls an operation on the roll sheet based on a result of the data acquisition by the first sensor. The platen supports the roll sheet. The first sensor is disposed between a position at which the roll sheet is set and the platen on a conveyance path of the roll sheet.