Web/Roll Handling

Goldilocks and the Three Bears Deal with Traction Problems

Published: August 01, 2002

Rollers are the hands of web handling the hands we use to grip the web to meet our goals for web speed, position, and flatness. To be able to position

Strand Tracking Problems on Your Slitter/Rewinder

Published: May 01, 2002

A slitter/rewinder has two goals: Divide the web into strands (slitting); and create uniform individual rolls (winding). This plan has three potential

Mapping Your Way to Better Tension Control

Published: April 01, 2002

Web handling defects often can be traced back to a specific location in your web line. Web tension at that location is always a prime factor in understanding

The Unwinding Story

Published: April 01, 2002

Sometimes purchasing a thing, like a pair of bluejeans, can be overwhelming. Unwinders are such a standard piece of equipment in a converting plant that

Pyramids and Wound Rolls: Long-Lasting Quality

Published: March 01, 2002

What comes to mind when you think about the pyramids? First, the pyramids have survived the test of time. Second, they have a distinct and impressive

Web Line Knowledge Offers a Competitive Advantage

Published: February 01, 2002

Web lines are the backbone of the converting industry the equipment used in converting paper, film, foil, and other webs into valued product. In this

Shaft Collar Decisions Can Be Momentous

Published: February 01, 2002

Braking moments of force affect efficiency in converting operations. Which is why... Shaft Collar Decisions Can Be Momentous

Workhorse Winders Do More Than Ever Before

Published: December 01, 2001

Winding technology has gone way beyond what it was in the '90s, says Bruce Butler, VP of sales at Independent Machine Co., Fairfield, NJ. The entire system

Wide Web Handling and the Problems It Can Bring

Published: December 01, 2001

As new film casting machines have grown in width during the past several years, so have casting machine windups. One problem that arises with wider rolls

MD Wrinkle Formation Causes and Cures

Published: November 01, 2001

MD (machine-direction) wrinkle problems (sometimes called tin canning) still plague many converters and/or film suppliers. The two main contributing parameters

Harmonic System Gets Tension Under Control

Published: November 01, 2001

Family-owned Capital Printing, based in Fairfield, NJ, serves its growing customer base the old-fashioned way, reports president and founder Vijay Patel:

Canadian-Based KT Holdings Licenses Spooling Technology to Tricon

Published: October 01, 2001

WINNIPEG, MB, CANADA--Tricon Conversion LLC, Gainesville, GA, USA, recently has been granted license to produce and sell Step-Pac film spools, says Step-Pac

Web Guides Bring Positive Results to Negative Sleeves

Published: October 01, 2001

Crown Photo Systems manufactures film negative sleeves to very tight tolerances. Web-guiding systems from BST Pro Mark are helping to keep the converter on the cutting edge.

Teknek Offering Web Guiding and Cleaning... All in One

Published: August 10, 2001

INCHINNAN, SCOTLAND, U.K. The Web Guide Clean Machine (WGCM) enables printers to clean and guide their webs simultaneously. Co. says cleaning and guiding

More Causes, More Cures For Web Scratches

Published: August 01, 2001

Last month I wrote that idler rolls (in high-speed processes) do not always turn at web speed even though they have sufficient wrap and free-turning bearings,

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