Web Lines | Winding Process Fundamentals, Pt. 3

Published: May 09, 2013, By Timothy J. Walker

In Part 3 of this four-part series, web handling expert Tim Walker answers the question: How do dimensional changes within a roll (e.g., compression) change roll strains and stresses?

Rotoflex, Scantech Alliance to Strengthen Product Line

Published: April 23, 2013

Arrangement is expected to extend design expertise and offerings in line of inspection rewind equipment

Mark Andy, Rotoflex Name Distributor for Turkey

Published: April 04, 2013

Focus Print Solution will rep the printing equipment and finishing solutions of both companies in an area of strong demand

Mark Andy, Rotoflex Sign on to Dubai Show

Published: March 29, 2013

Gulf Print & Pack 2013 will feature the Performance Series P5 from Mark Andy, as well as finishing solutions from Rotoflex

NimCor Relocates to Webex Headquarters

Published: March 22, 2013

Webex brings subsidiary to its facility as part of a plan to support and grow the brand

Mark Andy & Rotoflex Show Off at UK Open House

Published: March 06, 2013

Performance Series presses, the ProLED UV curing system, VLI and VSI finishing machines, and more will be featured

Martin Automatic Reports New Rewinder Developments

Published: February 20, 2013

Added to the LRD line is new size and new options for use in label, flexible packaging, and folding markets

Web Lines | Winding Process Fundamentals, Pt. 2

Published: February 19, 2013, By Timothy J. Walker

In Part 2 of this four-part series, web handling expert Tim Walker tackles tension control from the first to the final lap of the winding roll

Innovative Handling Provides Overhead Systems

Published: January 28, 2013

J-Hook and C-Hook systems are used in rewinder unload and roll sortation applications

Maxson Offers Accumulating Festoon

Published: January 22, 2013

Allows inline sheeters to match the speed of downline processes

Web Lines | Winding Process Fundamentals, Pt. 1

Published: January 14, 2013, By Timothy J. Walker

Understanding winding, roll defects, and winding-related web quality begins with understanding how the web, winder design, and process conditions combine to create the stress and strains of the wound roll.

Lowell Crank Handles Aid Setup

Published: December 10, 2012

Ratcheting crank handles improve machine control for converting uses

Web Lines | Why Avoid Nips?

Published: September 25, 2012, By Timothy J. Walker

I recently posted my top three blind recommendations for any process. If you are a long-time reader of Web Lines, you will know why to avoid nips and use bigger cores, but if not, here is a quick refresher on those topics.

Winding Technology | Now Directly in the Drive

Published: September 20, 2012, By Alexander Schaedlich and William Gilbert

Simply setting parameters—rather than configuring and programming—is the essential advantage of a new standard “winder” application that can be directly integrated into today’s drive systems.

Static Beat | Unwinding Roll Tribocharging

Published: September 19, 2012, By Kelly Robinson

What measurements can you take to learn if tribocharging is occurring at the unwinding nip?

Gloucester and Dolci in Distribution Agreement

Published: September 10, 2012

Customers of GEC and Dolci will have a choice of winders for cast stretch film, thanks to an agreement between the two companies

Splicing/Rewinding | Samsung Gumbak Invests in Third Martin RMAP

Published: June 12, 2012

Roll change automation enables tobacco packaging company to run roll-to-roll, without having to stop to make manual splices

AIMCAL Conference to Feature Davis-Standard

Published: June 11, 2012

Two experts on winding from Davis-Standard and ER-WE-PA will offer their insights at AIMCAL’s Web Coating and Web Handling Conferences in Prague

KTI to Show Off Modular Line

Published: May 17, 2012

Modular converting systems for printing, coating, die-cutting and more will be shown by Keene Technology Inc. at Labelexpo Americas 2012

Rotoflex Redesigns VLI Finishing System

Published: May 11, 2012

The redesigned VLI inspection/slitting/rewind system is said to provide more precision, speed, and control in film applications

Slitting/Rewinding | Trim Loss as Low as 3%

Published: March 15, 2012

How to improve performance and reduce material waste beyond trim loss.

Gralex Unwind Stands Allow One-Person Changes

Published: March 06, 2012

SRS Series unwind stands have self-adjusting friction brakes, lightweight shaft and core chuck assembly, and require no tools for changeovers

Web Handling Workshops from TJWA & Optimation

Published: January 27, 2012

Wrinkling, spreading, winding, tension control, and web defects are some of the topics on the agenda in a 2012 series of web handling workshops

New Butt Splicer and Rewinder for Pemara Labels Malaysia

Published: January 19, 2012

Martin Automatic equipment provides nonstop operation on a Gallus press

Taiyo Kikai Presses Run with Martin Equipment at China Show

Published: January 13, 2012

An MBSC butt splicer and an STR turret rewind were among the Martin Automatic features on display with Taiyo Kikai presses at All in Print China

Winding Film: How COF Properties Affect TNT

Published: October 18, 2011

Your ability to apply tension/nip/torque winding principles to produce the desired roll hardness is affected by the film’s layer-to-layer coefficient of friction properties

How To Wind Defectless Hard, Round Rolls

Published: June 30, 2011

Winder Targets Mid-Range Markets

Published: June 01, 2011

Keller Crescent Adds Splicer

Published: June 01, 2011

Do You Want Nips with That? Part 2

Published: May 01, 2011, By By Timothy J. Walker Contributing Editor