Innovative Laser System for Monitoring Paper Stack Offset within 5mm Tolerance
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This document presents a comprehensive design approach for a laser-based system aimed at measuring and monitoring the offset of paper stacks. The objective is to ensure that any offset does not exceed 5mm in both the x-axis and y-axis directions. Through a series of lasers paired with detection devices, the system alerts operators to any imperfections. This portable and cost-effective solution facilitates ease of handling and separation of stacks, enhancing productivity in printing operations. The approach includes design specifications, process details, and cost analysis.
Innovative Laser System for Monitoring Paper Stack Offset within 5mm Tolerance
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Presentation Transcript
XeroxStack Perfection Created and Presented By: Scott Foreman; Linda Rosato; Mike Rush
Table of Contents • Introduction • Design Task • Design Process / Approach • Prototype / Model • Engineering Analysis • Summary • Conclusion • References
Design Task • Problem Recognition • Paper release with offset no more than 5mm either direction. • Mission Statement • Our mission is to provide the most convenient and cost productive way to measure and monitor the offset of paper stacks, that they never exceed more than a 5 mm offset in the x-axis direction. • Customer Need • Ease of handling paper stacks. • Ease of separation of stacks.
Design Task (cont.) • Design Specifications • A series of lasers are shot from the bottom of the design to the top of the design. • If there are laser's which do not go completely from the bottom to the top the stacks must be off in the y direction to some amount or the x direction by more than 5mm(0.196850394 inches). • If this is the case the designed machine will alert the employee operating it for correction of the stacks.
Design Approach • Gantt Chart Below:
Design ApproachBrainstorming • Lasers • Bristles • Blocking walls • Slanted Walls • Gel Walls
Lasers • A laser that will shoot from the bottom of the stack to the top where there will be a simple detection device that will register the lack of laser for an imperfection of the stack along the y axis and/or x axis. • A laser that will shoot from the top of the stack to the bottom where there will be a simple detection device that will register the lack of laser for an imperfection of the stack along the y axis and/or x axis.
Laser (cont.) • A gel wall that can be applied to the stack which will clearly show if there is an imperfection in the stack by observation of any “bulges.” • A simple metal straight edge that can be set along the stack edge to detect if there is an offset. • Two set walls along the y axis with “drop walls” along the x axis that will be composed of a light weight material which will not set perfectly straight if there are any imperfections.
Cost Analysis • Low Cost • Laser Cost +$6 • With the price of the Xerox being so high the small price increase should be relatively uncontested by customers.
Summary • We found lasers would be the most efficient and cost effective way to measure stacks. • Should not raise price by a significant price. • A portable design allows for movement between machines which decreases the number of necessary designs.
References • https://cms.psu.edu/section/content/default.asp?WCI=pgDisplay&WCU=CRSCNT&ENTRY_ID=27455C15EEC2407683503374E6C2D466 • https://cms.psu.edu/section/default.asp?id=201112FAUP___REDSGN100_001&goto= • http://www.xerox.com/digital-printing/digital-printing-press/color-printing/xerox-igen4/enus.html
