COLLEGE OF WEB GUIDING

Web guiding basics and control theory
First we will define the different types of web guide applications.  These fall into three primary categories, Unwind, Intermediate (Process) and Rewind guides. We will break these categories down further and discuss offset pivot guides, steering guides, end pivoted guides and up/down stream sensors. Next we will cover what to consider when installing a guide as well as what to do and not do. The different types of control systems electro-mechanical, electro-hydraulic and pneumo-hydraulic are presented along with; Unwind Guiding, Rewind Guiding, Intermediate Guiding, End Pivoted Guides, Guiding using Down Stream Sensor Edge Guiding, Chasing Systems, Center Guiding with and without Centerline Shift, Electromechanical, Electrohydraulic, and Pneumohydraulic.

Selection and application of web guide controllers
Modes of operation for the CDP-01, D-MAX and Polaris controllers will be presented, including when and how to use them. Input and output specifications for the different controllers will be discussed as well as accessory equipment that expands their functionality.  Example system configurations using the controllers with other equipment will be shown. Techniques and examples will be presented for networking controllers to each other and to customer’s equipment, including, Operating Modes Input and Output Options, Controller Specifications, System Configurations, and Networking Accessory Equipment.

Principles and selection of web sensors
Various sensor technologies will be discussed in relation to different sources vs. detection methods and what technologies work for different applications.  The technologies will be broken down into analog vs. discrete and when it is best to use one over the other.  Applications that use narrow band sensor with sensor positioners will be compared to wide band sensors.
Also covered will be Source Technologies, Detection Technologies, Sensor Positioners Edge and Center Guiding, and Web Width Measurement Applications and Sensor Selection.

Troubleshooting web guide applications and control systems. The Maintenance Worker’s Guide
Attendees will gain real world knowledge in troubleshooting web guide controllers, guide structures and sensors as systems and as individual modules. Your instructor for this course will have a Field Service Engineering background permitting the course to be taught from real-world experiences. The coursework defines the key troubleshooting techniques used to quickly diagnose and isolate problems to the specific module of a guiding system. These techniques will significantly enhance your abilities to ensure minimal loss of downtime due to maladjustment or failures of guiding system modules. Additional techniques will be taught for troubleshooting the specific modules in a less demanding offline environment. The material will cover the various types of guide control systems; electromechanical, electrohydrualic and pneumohydraulic. Coursework includes break-out lab sessions where students gain hands-on experience in applying these techniques to real world problems. Students will be tasked with diagnosing problems to the module level, physically replacing the defective module and performing the required calibration and setup procedures to put the system back in full operation.

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