Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2014This list provides a yearly update of standards applicable to web handling. Revisions this year are shown in bold-italics.Risk AssessmentANSI B11.0-2015 Safety of Machinery; General Requirements and Ri…
12 hours ago
Clarence Klassen posted a blog post
 https://www.stevenabbott.co.uk/abbottapps/WBC/index.htmlThis week we present something entirely new. A Web-Based PID simulation Web Based Controller (WBC) app. The calculations were programmed and the page published by Prof. Steven Abbott, a long-t…
Aug 13
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012Of all the features of a drive system, the most popular by far is stop to length. This feature is particularly appreciated by operators of older lines in which the operator had to be vigilant to preven…
Jul 31
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012Years ago, I was plagued with web breaks on a large high-speed paper coater. In the motor control room, we had a full time, 8 channel chart recorder. It was set to chart at slow speed continuously at a…
Jul 22
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012The TNT’s associated with the quality of winding are Tension, Nip Loading, and Torque2. Torque2 is the second T and is used when control of Tension and Nip Loading is not enough to produce a roll witho…
Jul 16
Clarence Klassen liked David R Roisum's blog post Summer School - Roller Alignment How Close
Jul 16
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012Producing rolls of a fixed length is a great selling point and may even be a requirement. Web length measurement is normally accomplished with a length or footage counter. This is a wheel of known circ…
Jul 8
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012It is quite difficult to maintain some older electronic devices used in web handling. Many of these devices used serial RS232 communications protocols. They may also use DOS or old Windows programs. I…
Jul 2
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012The controllers used in web handling have a lot of data, but not much storage capacity. Many manufacturers recognize this and collect and retain the data from the drive controller using programs typica…
Jun 24
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012Pneumatic accumulators are designed to take up slack and maintain web tension if a drive stops. The need may come up during splices, cut-overs or due to equipment jams. Because the accumulator is part…
Jun 17
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012Whine, Whine, Whine. Life is full of excuses.Last week I was responsible for a drive upgrade. The day ended, the line is running and the drive with Out-Of-The-Box parameters and is not tuned. Let me li…
Jun 3
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012Accumulators are needed whenever a line must remain running for a splice or precise cut. Pneumatic accumulators are the simplest accumulator control for the control engineer and operator to understand.…
May 27
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012Several times over the years I have heard of tension variations resulting in damaged coatings. I referred to Roll and Web Defect Terminology, 2nd Edition by R. Duane Smith. The coating defect that may…
May 20
Clarence Klassen posted a blog post
Very Slowly responding tension regulatorAt the IWEB conference at Oklahoma State University in 2011, one of the feature speakers, Dr. Günther Brandenburg, presented an interesting paper about tension control for printers. In the course of his resear…
May 13
Clarence Klassen posted a blog post
Dr. Günther Brandenburg, speaking at the IWEB conference at Oklahoma State University in 2011 spoke of making the controls as Simple as Possible, but as Accurate as Necessary. His keynote address was titled "Advanced Process Models and Control Strat…
May 5
Clarence Klassen posted a blog post
Yellow Submarine Original Artwork copyright 2012When I started my career in drive control and automation, I tried hard to do the most with the least processor power and the least memory. I learned which data types used the least memory and executed…
Apr 22
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