More Causes, More Cures For Web Scratches

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,

Slitter Savvy: The Art of Winding Good Rolls

While you can't make paper or other products on the slitter/winder, it is every winder operator's job to ensure that web defects are not amplified during the slitting/rewinding operation.

Over-Tensioned Webs and What to Do about Them

Webs are often tensioned beyond their elastic limit in specialty-type processes such as metallizing. Usually, the high tension is in a zone where web

WEB SOLUTIONS

The key to a successful and low-cost upgrade is to have a competent engineering analysis done of all the critical machine interactions…

A Proposal for Spreading Base Web During Melt Extrusion

Melt extruded resin polymers on cloth and other webs sometimes result in transverse direction (TD) curl of the laminate. And this curl often causes poor roll formation when the base roll is slit into large-diameter, narrow-width slit rolls.

Tension Control

Reynolds' captive carton converting operation counts on reliable components from Montalvo to maintain its high-volume operation.

Web Handling...Making a Slitter/Winder Upgrade Work for You

Buyer beware! Before investing in new slitting/rewinding equipment, carefully consider the web handling issues that are involved.

A Glossary of Descriptive TermsSixth Installment

Shaftless unwind/rewind stands: Basic pieces of equipment used in holding the supply roll(s) and production roll(s) on the converting machine. These stands

A Glossary of Descriptive Terms - Fifth Installment

Here is the fifth in this series of glossary columns, intended to improve the technical communication between new and seasoned members of the converting

A Glossary of Descriptive Terms, Fourth Installment

I have had very positive feedback from the glossary of descriptive terms that I began in the September 2000 issue (see October and December issues for

Controlling Your Web from Beginning to End, Part II

In Part II of this two-part series, Bill Hawkins continues his analysis of the devices and designs that serve to keep your web under control.

Impression Rolls: Their Jobs and Their Maintenance

Impression rolls play a very important part at various points in many different converting operations. They are usually small rolls that are perhaps 3-4

A Glossary of Descriptive TermsThird Installment

This column is a continuation of the glossary of terms that I began in the September 2000 issue for the purpose of improving communications in the converting

Controlling Your Web from Beginning to End

In Part 1 of a two-part series, Bill Hawkins looks at the devices and designs that can help you keep your web under control.

Creative Problem Solving

Application: Creative approaches for solving problems in the converting industry can yield quick solutions.

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