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Best Practice: Static Control for Unwinding Rolls

(Surface Prep)

January 25, 2026, ... important for preventing high static on wound rolls. Figure 1: Static Bar SB1 forms balanced charge. Diagram courtesy of Electrostatic Answers Balanced charges on web cause static problems on winding ...

Winding Part 5: Solutions for Common Wound Roll Defects

(Converting Expert)

April 3, 2023, Wound roll defects are anything that results in a disappointed customer. By Neal Michal, Principal, Converting Expert, LLC Wound roll defects are anything that results in a disappointed customer. ...

Static Beat | Control Static on a Winding Roll

(Static-Beat)

November 7, 2017, Suppress static sparks on winding rolls to protect operators from shocks, release layers from damage, and labels from blocking. Suppress static sparks on winding rolls to protect operators from shocks, ...

Control Static on a Winding Roll

(Static-Beat)

September 5, 2014, Where should I install static bars on a winding roll? Thanks for asking such a great question! Controlling static on a winding roll gets to the heart of effective static control. After all, when ...

Static Beat | High Static on Unwinding Rolls

(Static-Beat)

October 30, 2012, Why does unwinding a roll of homogeneous web generate so much static electricity? Why does unwinding a roll of homogeneous web generate so much static electricity? After all, tribocharging occurs when ...

Static Beat | Unwinding Roll Tribocharging

(Static-Beat)

September 18, 2012, What measurements can you take to learn if tribocharging is occurring at the unwinding nip? Tribocharging at the unwinding nip can generate high levels of static in a roll-to-roll manufacturing process. ...

Static Quiz - Winding Roll - Answer

(Kelly on Static)

April 22, 2012, With a high electric field on this winding roll, what is the best way to neutralize the static? The tension on the winding roll in Figure 1 is controlled by the nip roller. Static bar SB1 is ...

Static Quiz - Winding Roll

(Kelly on Static)

April 22, 2012, With a high electric field on this winding roll, what is the best way to neutralize the static? The tension on the winding roll in Figure 1 is controlled by the nip roller. Static bar SB1 is ...

Rollstands for Winding Control

(New Products)

January 31, 2010, Solution Series shafted rollstands range from a simple A-frame with brakes, safety chucks, and a shaft to more complex systems with closed or open loop Solution Series shafted rollstands range from a simple ...

How To Prevent Unwinding Roll Static

(Static Elimination)

July 31, 2009, The master roll arrived at your receiving dock right on time. Now, you have the material to complete the job for that important customer. Along with the The master roll arrived at your receiving dock right ...

How To Prevent Winding Roll Sparks

(Static-Beat)

June 30, 2009, ... order more of our stuff. Static sparks on winding rolls are common and raise a big red flag that the winding roll has static so high our customers will complain. Sparks can cause sheets to stick and ...

Roll Winding Dynamics

(Web Handling)

January 31, 2008, ... so that a product can be slit into more manageable and marketable products (or for some other value-added process to occur, i.e., printing), then winding the roll or rolls up at the other end ready for ...

How to Drive a Winding Roll

(Web Lines)

November 30, 2006, What is the best way to drive a winding roll? You have three choices: from the surface, from the center, or both. Web Lines What is the best way to drive a winding roll? You have three choices: from ...

The Pressure of Winding Rolls

(Magazine)

April 26, 2006, Too much pressure inside a roll means more wound roll problems. Too little pressure inside a roll has its own negative effects. Worse still is having both high and low internal pressure occuring at the ...

Winding Better Rolls

(Archive)

May 31, 2003, ...  One key to quality wound rolls is the winding nip. The winding nip is a roller, driven or idling, that remains in contact with the winding roll throughout its buildup. The winding nip has many aliases, ...

Slitter Savvy: The Art of Winding Good Rolls

(Magazine)

July 31, 2001, ... good roll? A slitter/winder operator will tell you that a good roll of paper is one that has the following characteristics: It is the right shape round and proper width. It is the right size ...

Roll Blocking: Root Cause & Solutions

(Converting Expert)

February 23, 2026, ... science which includes tensioning, web conveyance, wrinkles, spreading, winding and unwinding.  Roll blocking is a major defect in which layers of a wound roll stick together. Although it occurs inside ...

Static Eliminators for Unwinding, Rewinding and Slitting

(Surface Prep)

August 7, 2025, For an unwinding or a rewinding roll, where can we put a static dissipater so that it works? By Dr. Kelly Robinson, PE, PhD, Electrostatic Answers For an unwinding or a rewinding roll, where can ...

Balancing Automation and Human Expertise in Slitting and Rewinding Operations

(Coating/Laminating)

April 30, 2025, ... automation and human expertise remains critical to success. This process, which involves slitting wide rolls of materials like paper, film, or foil into smaller rolls, and then rewinding them, presents ...

Does Winding Generate Static?

(Static-Beat)

April 8, 2024, Static levels can build on a winding roll even when the entering web is “neutral” Static levels can build on a winding roll even when the entering web is “neutral” By Dr. Kelly Robinson, Founder, ...