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Web Lines | Action Plan for CD Buckles, Part 1

(Web Handling)

March 05, 2017, ... (CD) buckles are a wound roll defect featuring crossweb ridges or corrugations running widthwise across a roll. They may form throughout a roll, but are more likely to form near the core or in lanes of ...

Montalvo Offers Communication for Tension Controllers

(News | New Products)

March 03, 2017, The company says ODVA EtherNet/IP is now available as an option for its Z4 Tension Controllers, reportedly offering faster communication GORHAM, ME | Montalvo, international specialists in web tension ...

Web Handling Conference Seeks Papers

(News | New Products)

February 22, 2017, Oklahoma State University’s IWEB conference is calling for papers on a number of topics in the area of web handling STILLWATER, OK | IWEB 2017, The International Forum for Web Handling, sponsored by ...

Web Lines | Unwind Splice Reliability

(Web Handling)

October 24, 2016, ... space between bump roller and new roll, and 2) determine the initial RPMs to speed match the new roll to the web speed. NOTE: Errors in diameter measurement can create errors in both of these critical ...

Web Lines | Action Plan for Baggy Webs

(Web Handling)

August 16, 2016, ... and high levels of bagginess. Baggy webs are a major source of waste or customer complaints in many paper, film, and foil processes. Baggy webs will not lay flat or they sag at the web’s edges or in ...

Coast Controls Roll Stand Has Montalvo Tension Controls

(News | New Products)

April 06, 2016, The Coast SRS4-R15-U unwind shifting roll stand reportedly offers total control of web tension and alignment SARASOTA, FL | Coast Controls, manufacturers of all-air web guide systems, announces the ...

Montalvo Launches Open-Loop Tension Control

(News | New Products)

October 08, 2015, The TSC Torque Sensing Control System is said to provide a precise, reliable tension reference GORHAM, ME | Montalvo, international specialists in web tension control, has launched its latest innovation ...

Foil Substrates: Handling, Web Control & Substrate Interaction

(Coating/Laminating)

September 21, 2015, What makes coating foils different than coating plastic or paper substrates? Handling and web control are definitely different for foils than films or paper, but the fluid substrate interaction is also ...

Web Lines | Air Bubbles in Your Laminate

(Web Handling)

August 31, 2015, ... exceeds the bond strength of the adhesive to one of the webs (usually a liner). Where do bubbles accumulate and delaminate? In a lamination process where two webs start running with no bonding coating ...

Montalvo Offers New Tension Controller

(News | New Products)

August 08, 2015, The Z4-UL utilizes load cell feedback and a number of new features GORHAM, ME | Montalvo, international specialists in web tension control, announces the launch of its latest web tension controller—the ...

Web Lines | When Do Small Rollers and Cores Cause Defects?

(Technical Reports)

July 07, 2015, Are you exerting excessive strain on your web? Are you exerting excessive strain on your web? I've had a couple of inquiries lately about minimum bending radius. When does a small roller or small ...

Web Lines | Unwritten Rules, Part 2

(Technical Reports)

June 08, 2015, Here are a couple more web handling rules Tim Walker keeps forgetting to tell you Here are a couple more web handling rules Tim Walker keeps forgetting to tell you. There are a few things that I ...

Static Problems with Metallized Webs

(Static-Beat)

May 31, 2015, Metallized webs have static problems, too! Recently, I have helped investigate several static problems with webs having conductive layers. My "old school," conventional thinking was that structures ...

Web Lines | Unwritten Rules, Now Written

(Technical Reports)

April 27, 2015, Here are 3 web handling rules Tim Walker keeps forgetting to tell you Here are 3 web handling rules Tim Walker keeps forgetting to tell you. There are a few things that I almost always forget to ...

Web Handling Conference Coming Up

(News | New Products)

April 26, 2015, The 2015 International Conference on Web Handling at Oklahoma State University has a broad agenda for engineers and scientists   STILLWATER, OK | The Web Handling Research Center at Oklahoma State ...

DFE Product Amplifies Tension Transducer Signal

(News | New Products)

April 17, 2015, The iAmp2 amplifier reportedly saves set-up time and simplifies web tension measurement   ROCHESTER, NH | Dover Flexo Electronics (DFE) offers iAmp2 amplifier modules, miniature tension transducer ...

Should Unwind Tension Be Lower Than Winding Tension?

(Web Handling)

March 26, 2015, Once you've determined that you have a roll telescoping problem, here's how to solve it. Back on December 4, 2014, I posted a list of questions to consider when first looking to resolve a roll telescoping ...

Web Lines | How To Create an MD Running Fold in a Wide Web

(Technical Reports)

March 16, 2015, Web handling expert Tim Walker offers three options for this folding process Web handling expert Tim Walker offers three options for this folding process. Q: I'm looking to fold a 10-in. (250-mm) ...

Web Lines | The Case of the Missing Pacer

(Technical Reports)

July 07, 2014, ... force is less than the winder tensioning force, the brake will slip and the rolls and web will accelerate. So to get this two-torque rewinder up to speed, first the winder-created tension must be greater ...

Globe Trekking Adventures in Web Handling, Winding & Slitting

(Web Handling)

June 02, 2014, Follow Tim Walker on his adventures as he treks the globe solving web handling, winding, and slitting problems in Japan, the UK, and back home in the good ol' USA. While I'm based in St. Paul, MN, I ...