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Winding: Part 3 - Tension, Nip and Torque

(Web Handling)

January 22, 2023, Winder TNTs are the key to winding a good roll. By Neal Michal, Principal, Converting Expert, LLC Winder TNTs are the key to winding a good roll. TNTs stand for Tension, Nip and Torque. Tension is ...

Winding Part 3: Tension, Nip and Torque

(Converting Expert)

January 16, 2023, Winder TNTs are the key to winding a good roll. By Neal Michal, Principal, Converting Expert, LLC Winder TNTs are the key to winding a good roll. TNTs stand for Tension, Nip and Torque. Tension is ...

Menges Roller P-S Paper Tests Nipping Systems

(News | New Products)

March 09, 2013, Proof-Nip Impression Paper diagnoses problems of uneven nip rollers that cause uneven nip pressure   WAUCONDA, IL | Menges Roller Co. announces Proof-Nip Impression Paper, reported to be a solution ...

WebHandlersQuiz #19: Advantages of a Nipped or Gap-Controlled Roller

(Web Handling)

September 30, 2012, WebHandlersQuiz #19: What are the three advantages of using a nipped or gap-controlled roller ahead of winding? So we're back to basics, Folks! Can you name three advantages for using a nipped or gap-controlled ...

Web Lines | Why Avoid Nips?

(Web Handling)

September 24, 2012, 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 ...

Workshop on Nipped Systems & Laminating

(Web Handling)

September 04, 2012, A workshop focusing on nipped rollers offers a better understanding of the underlying engineering principles and design considerations that lead to improved profitability in your value-added web processing ...

WHQuiz Answer #9 - Nip Uniformity

(Web Handling)

February 22, 2012, WebHandlersQuiz 9: Nipped Rollers - What is a simple measurement to determine if two nip rollers are pressing together uniformly?  Answer... WebHandlersQuiz 9: Nipped Rollers - What is a simple measurement ...

Nip Stations from PFE Rolls Are Versatile

(Coating/Laminating)

January 31, 2012, AccuNip nip stations can be configured for many uses, including laminating and calendering, and customized with doctor blades, gear drives, and more  ORANGE, MA | AccuNip nip stations from PFE Rolls ...

Nip Roll Modules Offer Precision

(Web Handling)

July 31, 2011, Standard and custom precision, air-loaded nip roll modules are said to allow precise side-to-side gap adjustment, independent of precise pneumatic pressure Standard and custom precision, air-loaded nip ...

Do You Want Nips with That? Part 2

(Winding Unwinding Rewinding)

April 30, 2011, No nips, please. To qualify this statement, I just want to get rid of unnecessary nips, especially for preventing slip on tension controlling drive rollers. “No nips, please.” To qualify this statement, ...

Web Lines: Would You Like Nips with That?

(Winding Unwinding Rewinding)

March 31, 2011, No nips, please. I need a button that says this. Every day, dumpsters and truckloads around the converting world are filled with waste generated due to “No nips, please.” I need a button that says this. ...

Web Lines: Mission-Detect Nip Variations

(First Glance)

August 31, 2010, How To Detect Nip Variations To Create a Uniform Web Product “Good morning, Mr. Phelps. Many converting processes rely on uniform nip pressure to create a uniform product (and satisfied customer) independent ...

Web Lines: How To Control Roller Nips

(Web Handling)

July 31, 2010, ... want to take the need for skill out of the repeatability of the compression. Nipped rollers, used in many processes, rely on high pressure created by rolling a web between two pinching rollers. In nipping ...

Measure Nip Quickly

(Controls)

June 30, 2010, DigiNip is a hand-held device for obtaining nip measurements for small printing and coating rollers. When the unit's two durable sensor elements are placed DigiNip is a hand-held device for obtaining nip ...

AIMCAL Offers Nip Roller Workshop & Drives Course

(News | New Products)

January 12, 2010, FORT MILL, SC | The Assn. of Industrial Metallizers, Coaters & Laminators (AIMCAL) offers its Converting School February line-up of classes for converters, including a workshop on Nip Rollers and a course ...

QC for Nips

(Controls)

December 31, 2009, ... among others. Jagenberg and Webco supply slitting/rewinding equipment. Mohawk uses Pressurex sensor film to take static nip impressions on its press section and dynamic nip impressions on its calenders. ...

Under Pressure (A Brighter Look)

(Archive)

May 31, 2007, ... this possibility, but my eagerness to share a valued concept gave me the courage to share some results of my analysis of how to combine nip load and footprint calculations to find nip pressure. Fortunately, ...

Under Pressure (Revisited...and Revised)

(Archive)

February 28, 2007, If I have any repeating theme to understanding web handling, it is to follow the stresses and strains. In nipped processes, you need to follow the compressive stress (aka pressure). Web Lines (Corrected ...

Deflecting Nip Roller Problems?

(Magazine)

March 30, 2006, What causes nip roller deflection? How can you compensate for nip roller deflection? Web Lines X ’em out! Nipped rollers are vital to many web processes, including coating, laminating, embossing, calendaring, ...

Gidue to Launch Unipro Packaging Press at Drupa; OEM Also to Showcase Other Converting Machinery

(News | New Products)

February 23, 2004, ... first 730mm wide, in-line, mid-web packaging press." Says the OEM, "[Drupa will be the] official European launch of the Unipro, and it will be demonstrated as a full packaging press using print cylinder ...