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Winding: Part 3 - Tension, Nip and Torque

(Web Handling)

January 22, 2023, ... Two real world examples will be provided. Assume Figure #3 applies for both cases. Center Winder with Lay-on Roller As the turret indexes forward it is common to see tension increase due to the change ...

Winding Part 3: Tension, Nip and Torque

(Converting Expert)

January 16, 2023, ... Winder with Lay-on Roller As the turret indexes forward it is common to see tension increase due to the change in length. That is why one will see a visible signature near the outside of the roll. Assume ...

Efficiency in Winding and Unwinding

(News | New Products)

September 13, 2020, ... and lay-on loading set points with recipe capability to permit flexibility for different substrates; Use process or product specific lay-on systems with gap/contact winding capabilities; Automate handling ...

GOEBEL IMS Presents its Innovative Slitting and Winding Solutions at ICE USA

(Upcoming Conference News)

April 02, 2019, ... up to 1,800 mm. The T 2 allows conversion speeds of up to 1,200 m/min. All machines of this series work with a single-shaft center-driven winding concept equipped with an idle lay-on roller. They can be ...

Static Beat | Control Static on a Winding Roll

(Static-Beat)

November 07, 2017, ... To effectively control static, keep track of which web surface carries static charges. Figure 1. This winder has a tension control nip, a dancer (float roller) to control the winder motor, and a lay-on ...

Control Static on a Winding Roll

(Static-Beat)

September 05, 2014, ... EROLL is low, mount static bar SBROLL in Figure 2 to the lay-on roller frame so that the static bar moves with the lay-on roller. Static bar SBROLL dissipates static from the lay-on roller and suppresses ...

Eliminating Boundary Layer Air During Winding

(Web Handling)

July 15, 2013, Eliminate boundary layer air  while winding rolls of film, in most cases, by using a lay-on roller. For coating and extrusion technology, vacuum boxes or electrostatic pinning can sometimes–though infrequently–be ...

Splicing/Rewinding: Martin Automatic Introduces Compact Unit

(Winding Unwinding Rewinding)

April 15, 2010, MBSC/STR combo offers a practical, affordable solution for narrow web converters ROCKFORD, IL | PFFC was invited to visit Martin Automatic on March 5 for an exclusive look at the new MBSC/STR compact splicer/rewinder ...

The Word on Winding

(Magazine)

July 30, 2004, ... does it need to run? Will taper-tension from the winder affect the process? Is a lay-on roll required? What hardness of roll is required by the converter’s customer, and can the winder provide this? ...

Winding Better Rolls

(Archive)

May 31, 2003, ... including lay-on roller, pack roller, surface roller, and contact roller. Some of the same roll quality benefits also are found using a close cousin of the winding nip — the gap roller. Q: Are winding ...

Winding system suited for long lengths

(Magazine)

February 28, 1995, ... cantilevered unwind with programmable constant tension, auto edge guide and pneumatic peel-off lay-on roll; entry and exit s-wrap pull rolls with adjustable draw control, auxiliary web rewind for unslit ...

Static Eliminators: Solutions for Winders, Unwinders and Slitters

(Static-Beat)

August 04, 2024, ... neutralize static charges from at least two different sources: 1. static charges on the web entering the winding roll and 2. Static charges deposited on the winding roll from a lay-on roller. Static ...

Do Not Ruin a Good Thing... Practice Good Static Control in Slitting

(Static-Beat)

January 14, 2024, ... be installed on the frames of the lay-on rollers so that the distance from the static bar to the surface of the winding slits remains constant. Use a mechanically strong static bar because vibrations will ...

Do Not Ruin a Good Thing... Practice Good Static Control in Slitting

(Surface Prep)

November 12, 2023, ... dissipaters SB5 and SB6 to neutralize static charges on the winding slits is sufficient. These static bars may be installed on the frames of the lay-on rollers so that the distance from the static bar ...

Suppress Static Sparks to Protect Sensitive Coatings

(Surface Prep)

October 19, 2023, ... much static charge is stored on the winding roll. Keep E6roll below ±5 kV/in. If the reading is too high, install SD6wind facing the winding roll exiting the lay-on roller. Since this dissipater is mounted ...

Suppress Static Sparks to Protect Sensitive Coatings

(Static-Beat)

October 08, 2023, ... much static charge is stored on the winding roll. Keep E6roll below ±5 kV/in. If the reading is too high, install SD6wind facing the winding roll exiting the lay-on roller. Since this dissipater is mounted ...

Automating Static Control with Online Monitors

(Static-Beat)

June 11, 2023, ... should not exceed ±0.5 kV/cm (±1.3 kV/in). Powered static dissipater SD9wnd neutralizes static charges on the outside surface of the winding roll from touching the lay-on roller. The winder lay-on roller ...

A New Slitter

(Equipment/Machines - Converting)

April 23, 2023, ... of intelligent data delivery systems, working parameters for different jobs can be stored in memory, such as speed, tension, lay-on pressure, knife or blade settings, and laser core guiding position information. ...

Maintaining Static Control Three Ways to Lock in Good Performance

(Surface Prep)

January 01, 2023, ... sources; two tacky rollers, a nip roller, and a winding lay-on roller. Each source needs a static dissipater (see “Static Dissipater Locations”2). Two additional static dissipaters are needed to make ...

Maximizing Labor, Time and Safety with Slitter Rewinder Automation

(Equipment/Machines - Converting)

October 09, 2022, ... lay-on capabilities and cantilevered rewinds to eliminate shaft handling. Auto roll packaging – By using robotic arms to automate the labeling, weighing, wrapping/bagging and pallet wrapping processes, ...