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Methods to Precisely Measure Tension and Web Control

(Coating/Laminating)

June 15, 2025, ... is a very real risk of web breaks. It is worth noting also that areas of relatively high calliper not only have a detrimental affect on nip pressure, diametrical variation may force a web to steer out ...

New Era and IPCO exhibiting together at The Battery Show Europe in Stuttgart

(News | New Products)

May 19, 2025, ... pressure, gap settings and width. Systems can incorporate features such as load cells for nip pressure readout and a number of different methods to counteract deflection, such as crowned rolls and roll ...

Advantages of Shear, Razor and Crush Web Slitting Techniques

(Coating/Laminating)

April 16, 2025, ... nip roller is added after the slitting section to maintain tension independently of the rewind tension. Shear Knife Slitting One of the most popular slitting methods is shear knife slitting, because ...

The Top Seven Causes of Web Wrinkling

(Equipment/Machines - Converting)

December 15, 2024, ... web tension (PLI), any nip load (PLI), web width and maximum expected line speed. A good supplier will walk you through these questions and can even help you troubleshoot much of this over the phone.  ...

Minimizing Waste in Extrusion Coating

(Coating/Laminating)

December 08, 2024, ... to become fluid. This molten polymer is then extruded through a flat die onto a moving base material, passing through a nip of two counter-rotating rolls. Substrates commonly used typically include paper, ...

Static Eliminators: Solutions for Winders, Unwinders and Slitters

(Static-Beat)

August 04, 2024, ... Charges on the Entering Web The web entering the winding roll in Figure 1 should be as charge-free as possible by practicing good static control upstream of the winder. For this winder, a nip controls ...

Tension: The First Thing We Must Get Right

(Coating/Laminating)

April 14, 2024, ... roll. Think of the MSR as the heartbeat of your process. The web should never slip across the MSR. A driven nip or 5-wrap can also be designated as the MSR as long as there is no risk of slippage (Figure ...

Principles of Narrow Web Slitting

(Web Handling)

April 10, 2024, ... UK locations, supplies three precision center-surface slitting machines for narrow widths. All their Centre Surface machines can be run in contact with a driven roll using soft nip technology. In one example, ...

Tension: The First Thing We Must Get Right

(Converting Expert)

April 08, 2024, ... of your process. The web should never slip across the MSR. A driven nip or S-wrap can also be designated as the MSR as long as there is no risk of slippage (Figure 1). Figure 1 MSR – Three Examples   ...

Does Winding Generate Static?

(Static-Beat)

April 08, 2024, ... the outside of the roll. As the winding roll turns, these positive charges enter the winding nip. If the charge density is uniform down the length of the web, for every positive charge on the outside surface ...

Principles of Narrow Web Slitting

(Converting Perspectives)

April 08, 2024, ... supplies three precision center-surface slitting machines for narrow widths. All their Centre Surface machines can be run in contact with a driven roll using soft nip technology. In one example, they provided ...

Does Winding Generate Static?

(Surface Prep)

February 25, 2024, ... wind onto the outside of the roll. As the winding roll turns, these positive charges enter the winding nip. If the charge density is uniform down the length of the web, for every positive charge on the ...

The Merits of a Repurposed Slitter Rewinder

(Equipment/Machines - Converting)

February 18, 2024, ... decreased by adding roll cut-off knives, finished roll discharge devices and core insertion mechanisms. These items include roll cradles, ejectors, pushers and roll manipulators, all of which must be customized ...

Automating Static Control with Online Monitors

(Static-Beat)

June 11, 2023, ... can deposit significant amounts of static on web surface that touches the roller. Powered static dissipater SD8drv-out neutralizes static charges on the web surface that touched the rubber nip roller. ...

Peters Automates Cup Printing Line with Martin Automatic

(News | New Products)

April 24, 2023, ... slow to manipulate, and with Peters making typically two changes per hour that took 10 minutes each when done manually — it’s easy to assess the improvement in productivity that our MBX unit has made,” ...

Winding: Part 5

(Web Handling)

April 16, 2023, ... on larger cores. Reduce web temperature entering the winder. Increase topography on a film to introduce air into the roll. Ask for different chemistry. Try different lay on nip roll covers and nip load. ...

Winding Part 5: Solutions for Common Wound Roll Defects

(Converting Expert)

April 03, 2023, ... Reduce web temperature entering the winder. Increase topography on a film to introduce air into the roll. Ask for different chemistry. Try different lay on nip roll covers and nip load. Consider winding ...

Winding: Part 4

(Web Handling)

March 05, 2023, ... of tension, nip and torque. This month we will discuss best practices for winding — addressing safety, delivered quality, process health cleaning and process controls — and will close with information ...

Wound Roll Mechanics: Part 1

(News | New Products)

October 02, 2022, ... tissue, nonwovens, foils and laminates. Wound rolls are the most convenient and economical form of storage and transport for web materials. Center winders are common for film. The addition of a nip roll ...

Wound Roll Mechanics: Part 1

(Converting Expert)

September 26, 2022, ... tissue, nonwovens, foils and laminates. Wound rolls are the most convenient and economical form of storage and transport for web materials.   Center winders are common for film. The addition of a nip ...