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A Practical Approach to Eliminate Web Handling and Winding Defects: 

A Practical Approach to Eliminate Web Handling and Winding Defects Timothy J. Walker tjwalker@tjwa.com (651) 686-5400 Office (651) 249-1121 Mobile (866) 572-3139 Fax

Agenda: 

Tension Control Based on Material and Process Requirements 1 Agenda Day 1, AM

Part 1: 

Tension Control Based on Material and Process Requirements 1 Part 1 Day 1, AM Web Properties Know your web’s mechanical and frictional properties. Tension Control Understand what controls tension in your process.

Part 2: 

Part 2 Roller Design Design rollers for driving, idling, and nipping applications Why is roller parallelism important? Traction Understand when webs slip on rollers.

Part 3: 

Part 3 Web Guiding What cause a web to shift laterally? What web guide is best for a process? Wrinkling What causes web wrinkles? What eliminates wrinkles?

Part 4: 

Part 4 Winders What winder design is best for a product? Winding What determines the pressure inside a wound roll?

TJWalker+Associates, Inc.: 

TJWalker+Associates, Inc. Web Handling Training Process Optimization Equipment Specification Vendor Selection (U.S.) www.webhandling.com tjwalker@tjwa.com

TJW Education & Experience: 

TJW Education & Experience 1983 Univ. of Iowa, BS Mech. Engrg. 1983-89 3M Co. Polyester Film Division 1989-99 3M Co. Web Handling Staff Consultant 1994-99 3M representative to Oklahoma St. Univ. Web Handling Research Center 1995-99 Led 300+ Web Process Design Reviews 1997-99 3M Corporate WH Technology Leader 1999 Univ. of Minn., MS Mgmt. of Technology 1999-> TJWalker+Associates Inc Process Engineering & Technology Management, Specializing in Web Handling Processes

Slide10: 

Archives PFFC-ONLINE.COM

What is Web Handling?: 

What is Web Handling? The process technology of transporting and storing thin, flexible materials. A web is any flexible, continuous material where: Length >> Width >> Thickness Webs include papers, films, foils, non-wovens, wovens, and laminates.

Web Handling Processes: 

Web Handling Processes Makers: Coating, Extrusion, & Paper and Film-Making Converters: Slitting, Die-Cutting, & Laminating Controls! Critical to successful web handling.

Special Topics in Web Handling: 

Special Topics in Web Handling Registration How do I maintain my printing registration? Laminating How do I eliminate curl and bubbles in my laminate? Air Floatation How can I handle the web without touching it? Integration How can I combine process steps in one pass? Cleanliness How do I keep my product clean while handling it?

Web Handling Sub-Technologies: 

Web Handling Sub-Technologies Technologies Related to Web Handling Coating Drying Slitting/Cutting Sheeting Calendaring Embossing Web Cleaning Tribology Electrostatics Folding Heating / Cooling Film Orientation

Converting Machinery & Materials Show: 

Converting Machinery & Materials Show The week before IWEB 2007.

IWEB – Int’l. Conf. on Web Handling: 

IWEB – Int’l. Conf. on Web Handling I W E B E-mail: linda.rogers@okstate.edu http://www.engext.okstate.edu 9th International Conference on Web Handling June 10-13, 2007 Call for Papers – Submit abstracts by December 1, 2006.

AWEB – Applied Web Handling Conf.: 

AWEB – Applied Web Handling Conf.

Other WH-Related Events: 

Other WH-Related Events AIMCAL Summer School August 6-9 , 2006 – Mpls., MN CEMA Slitting & Rewinding Seminar November 13-14, 2007 – Mpls., MN AWEB – Applied Web Handling Conf. May 5-9, 2008 – Mpls., MN

Agenda: 

Agenda 8:00-9:15 Seminar 9:15-9:30 Short break 9:30-10:30 Seminar 10:30-10:45 Short break 10:45-11:45 Seminar 11:45-12:45 Lunch break 12:45-1:45 Seminar 1:45-2:00 Short break 2:00-3:00 Seminar 3:00-3:15 Short break 3:15-4:15 Seminar