Officially titled "Web Handling and Converting" (often colloquially called The Web Handling Handbook), this book was authored by Dr. William (Bill) K. Pullum and Dr. Kevin A. Cole. While several academic texts exist on web tension, Pullum and Cole’s work is unique because it bridges the gap between theoretical physics and real-world factory floor solutions.
The handbook systematically explains the mechanics of moving continuous webs (flexible materials) through rollers, nips, ovens, and winders. It covers everything from the basic trigonometry of a steering roller to the complex differential equations governing center-driven winders.
Due to its high retail price (often exceeding $150 for a hardcover) and frequent "out of stock" status on academic sites, many professionals seek a The Web Handling Handbook Pdf version for immediate, free access.
This is the "bible" inside the handbook. It explains the difference between tension (force per unit width, e.g., PLI or N/m) and torque. It provides the critical formula for web tension between two driven rollers: [ T_2 = T_1 + (torque / radius) ] It also covers tension zones and why you cannot simply "tighten" everything to fix slip.
The Web Handling Handbook , authored by David R. Roisum, Timothy J. Walker, and Dilwyn P. Jones, serves as the definitive technical guide for the processing of thin, flexible materials such as paper, plastic film, and metal foils. Often sought in PDF or digital formats by engineers and operators, the 756-page volume bridges the gap between academic physics and industrial application. Core Philosophy: Science Over Mythology
A central theme of the handbook is the transition from "rule-of-thumb" mythology to rigorous scientific understanding. The Web Handling Handbook Pdf
Dispelling Myths: Many common practices in the industry, such as specific roller grooving or tension adjustments to fix wrinkles, are often based on misconceptions.
Universal Principles: The authors argue that while materials differ, the underlying physics—spanning tension, traction, and tracking—remains constant across all web-handling machines. Key Technical Pillars
The handbook categorizes the complexities of web handling into several critical domains: The Web Handling Handbook - TAPPI.org
The Web Handling Handbook, authored by industry veterans David R. Roisum, Timothy J. Walker, and Dilwyn P. Jones, is widely considered the definitive engineering resource for the roll-to-roll manufacturing and converting industries. Published in late 2020 by DEStech Publications, this 756-page volume encapsulates decades of collective expertise to provide a comprehensive training manual for both current and future generations of web handlers. Core Content and Technical Scope
The handbook is designed to bridge the gap between theoretical research and practical shop-floor applications. It covers the entire lifecycle of a "web"—defined as a long, thin, flexible material like paper, plastic film, metal foil, or textiles—from its initial manufacture to final converting processes such as coating, laminating, and printing. Kevin A
The book is structured into 14 chapters that address every major technical aspect of the field:
Fundamental Principles: Detailed explanations of web material properties, including Young's modulus, Poisson's ratio, and viscoelastic behaviour.
Machine Components: Engineering deep-dives into rollers, drives, motors, and nipped roller systems.
Control Systems: Advanced strategies for tension control, web guiding (CD path control), and drive tuning.
Problem Solving: Practical tools for troubleshooting common defects such as wrinkles, bagginess, curl, and misshapen wound rolls. The handbook systematically explains the mechanics of moving
Winding Mechanics: Extensive coverage of winder classes, arrangements, and the "TNTs" (Tension, Nip, Torque) of roll structure. The Authors and Their Vision
The handbook represents a "Renaissance" of web-handling science that began in the 1980s. The three authors combined their unique strengths to create this resource: Mechanics of Web Handling, The - TAPPI.org
About the Author. David R. Roisum, Ph. D. is president and senior consultant of Finishing Technologies, Inc. in Neenah, Wisconsin. The Web Handling Handbook - Amazon.in
Yes, but with intention.
If you are a student or a professional troubleshooting a specific wrinkle pattern today, finding a The Web Handling Handbook Pdf for immediate consultation is tactically useful. However, if you work professionally in converting, you owe it to the industry to purchase a legitimate digital copy from TAPPI Press.
Pro Tip: Search for the Second Edition if possible. The first edition (published 1986) is still brilliant for mechanical concepts but lacks modern updates on tension sensors and AC vector drives. The second edition (2000s) and the third (2016) include critical updates on elastic-plastic webs.