Beyond Web Inspection and Monitoring systems – Intelligent cameras that increase papermaking efficiency, 19PaperCon
Paper machines and pulp dryers typically have a healthy number of cameras monitoring the product as it goes through the various parts of the machine to analyze sheet breaks or other product or process variation made visible by the monitoring cameras. Paper machines especially but also to a greater degree the pulp dryers have defect detection systems installed to detect product defects and to trace the defect origins together with the monitoring system videos. These system help resolve issues at the machine itself but outside pulp dryers or paper machines there are virtually no cameras monitoring the various parts of converting process. Some of the product defects appear only at the converting stage where for example the roll wrapping tears at the wrapping line or a pulp bale is missing one of the wrapping wires due to wiring machine running out of steel wire. One of the biggest reasons why these systems have not existed earlier is that these analysis locations are quite far away from any manned locations requiring long cable pulls and a dedicated computer for each application.
Intelligent cameras make these applications economically viable as all the computing power is in the camera itself potentially eliminating the need for a separate PC. Most of the applications are approval type applications where the camera triggers an output when something is wrong with the analyzed item for example on the roll wrapping line roll inner header is not in place when wrapping is supposed to start. These output signals can then be used to alert operator who is somewhere else to come and fix the process disturbance and once complete the operator can then leave the system on automatic and continue with his interrupted task.
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Beyond Web Inspection and Monitoring systems – Intelligent cameras that increase papermaking efficie