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Drives for Web Handling

Blogmaster: Clarence Klassen

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Measurement

30

Simple as Possible, Accurate as Necessary

Posted by Clarence Klassen on April 30, 2012
Simple as Possible, Accurate as Necessary
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 Strategies for Rotary Printing Presses". This soun...

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Posted in: Tension Measurement and Control, Tuning, Design, Measurement
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13

CERN - Size, Speed and Precision

Posted by Clarence Klassen on February 13, 2012
CERN - Size, Speed and Precision
In October I had a fascinating tour of CERN (European Organization for Nuclear Research) in Geneva, Switzerland. The Large Hadron Collider consists of a super cooled ring 27 km in circumference with a precision of 0.1mm at the targets. Beams of protons and anti-protons circle the ring in opposite d...

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Posted in: Tuning, Design, Measurement
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09

Tachometers and Encoders

Posted by Clarence Klassen on January 9, 2012
Tachometers and Encoders
Variable Speed Drives today can be run with or without sensors. By sensors, we mean encoders, tachometers or resolvers. These are attached to the Opposite Drive End of the motor and give an RPM feedback of the motor (not roller). The encoder costs several hundreds to $1000 plus wiring. If the drive...

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Posted in: Drives, Definitions, Measurement
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Blogmaster

Clarence Klassen photo

Clarence Klassen

President. Designated Consulting Engineer with Professional Engineers Ontario (PEO). KlassENgineering was incorporated in 1999. Clarence applies 31 years in the Pulp and Paper industry to solving problems with drives for web handling. He has 10 years experience as a drives engineer with GE Canada and 10 years experience with Opcode Systems Inc., a PLC and Drives Systems Integrator. Much of Clarence's experience was gained in onsite installation of new equipment and troubleshooting of existing equipment. KlassENgineering performs Pre-Start Health and Safety Reviews as required by the Ontario Ministry of Labour.