Critical Role of On-Line Gauging System in Extrusion Coating Troubleshooting, 2006 PLACE Conference



Please Note: This document will be available in PDF format in the "My Electronic Documents" link on the home page once your order has been completed. Please make sure you have the latest version of Acrobat Reader. Click on the Acrobat Reader icon to check for the latest version, it’s FREE. To print a hardcopy of a PDF file correctly you must have a postscript printer. If you are not sure if your printer is a postscript printer please refer to your owner’s manual.



Computer-based on-line gauging system plays a critical role in trouble-shooting of Extrusion Coating process during various stages of manufacturing. The system monitors a multitude of process variables continuously and trends the data for process monitoring. Time-based trends of various temperatures, pressures and speeds can be displayed continuously, along with coating thickness to show cause and effect. The high degree of process visibility is of tremendous value to the Line Operators and Process Engineers to setup the equipment at start-up and product changes, as well as to monitor production continuously. System ensures full-width coating gauge uniformity through effective process controls in the cross and down web directions, while monitoring substrate variability. Software features such as Process Variance Analyzer and FFT provide efficient process analytical tools for trouble-shooting of uncontrolled high frequency short-term machine direction variations caused by worn-out process equipment. Other sensors (such as visual inspection system) can be integrated to show ultra-high resolution display for troubleshooting defects.

Alarm history provides critical information on coated rolls for downstream processes such as slitting. The impact of timely trouble-shooting on improved Product Quality and Process Economics derived from material savings, scrap reduction and faster start-ups/ product change-overs can be significant.

Author: Ken Townsend and Tan Srinivasan
Critical Role of On-Line Gauging System in Extrusion
Critical Role of On-Line Gauging System in Extrusion Coating Troubleshooting, 2006 PLACE Conference
30.00

New Releases

 

Kraft Recovery Boilers, Third Edition  


Sponsored by the Recovery Boiler Program R&D Subcommittee of the American Forest & Paper Association (AF&PA) and published by TAPPI Press.


Purchase


 

Handbook For Pulp and Paper Technologists (The SMOOK Book), Fourth Edition

The best-selling text to introduce the entire technology of pulp and paper manufacture.

Purchase

 

Guidelines for Safe Assessment and Operation of Yankee Dryers  


A project of the Yankee Dryer Safety & Reliability Committee.

Purchase

 

Check our newest additions.


TAPPI Press offers some of the most in-depth resources and references for the forest products and related industries. 

See More

   
 

Available for Purchase – Conference Proceedings


TAPPI maintains a record of key conference papers, presentations, and other conference publications, available for purchase in a variety of formats.

See More