Web/Roll Handling
Hot Topics: Tension | Web Guiding | Winding/Unwinding/Rewinding | Materials Handling | Roll Handling | Rolls | Shafts | Heat Transfer Fluid | Trim Removal | Cores
Eliminating Boundary Layer Air During Winding
- Published: July 16, 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 effective.
Web Lines | Curl Mechanics Pt. 1—Machine Direction Curl
- Published: July 09, 2013
In this first part of a four part series on curl, web handling expert Tim Walker discusses curl in coated and laminated products
Web Lines | Winding Process Fundamentals, Pt. 3
- Published: May 09, 2013
In Part 3 of this four-part series, web handling expert Tim Walker answers the question: How do dimensional changes within a roll (e.g., compression) change roll strains and stresses?
Basics: What Are the Key Process Variables of Winding?
- Published: May 03, 2013
Basic definitions of tension, nip, and torque help describe what variables are important when winding a roll.
What impact can temperature change have on a roll?
- Published: February 28, 2013
The best rule of thumb is to avoid heating or cooling winding or wound rolls. Keep a roll's temperature stable.
Web Lines | Winding Process Fundamentals, Pt. 2
- Published: February 19, 2013
In Part 2 of this four-part series, web handling expert Tim Walker tackles tension control from the first to the final lap of the winding roll
Eliminating Tin-Canning Rings on Your Wound Rolls
- Published: January 25, 2013
The elimination of roll rings that simulate rings on a tin soup can is a perennial problem for web handling experts. This list of possible solutions might work for you.
Web Lines | Winding Process Fundamentals, Pt. 1
- Published: January 14, 2013
Understanding winding, roll defects, and winding-related web quality begins with understanding how the web, winder design, and process conditions combine to create the stress and strains of the wound roll.
Roll Handling | Recycled Fiber Cradles Stand Up to Rigors of International Shipping
- Published: December 11, 2012
Belgium film and tape manufacturer finds roll protection savings with imported Rollguard fiber cradles.
Martin Automatic Joins Two Overseas Events
- Published: December 07, 2012
Martin keynotes a conference in Dubai and exhibits at Labelexpo India
Web Handling | To Break or Not To Break--What is the Tension?
- Published: December 03, 2012
Determining at what tension a web will break or deform comes down to a material's property.
Appleton Device Moves Light Loads
- Published: December 03, 2012
The Light Duty CartMover from Appleton Mfg. Div. features on-board charging and a more upright configuration
Chevron Phillips Updates Lab with Davis-Standard Winder
- Published: November 19, 2012
Adds new stationary knife winder and roll changer to its extrusion coating laboratory in Bartlesville, OK
Web Lines | Why Bigger Cores?
- Published: November 16, 2012
Bigger cores avoid many winding defects. Fewer layers mean less near-core pressure buildup and high-pressure defects.
Appleton Core Recycler Can Be Customized
- Published: October 24, 2012
With new choices for users including widths, weight, and power source, the Safe-Slab Core Recycler from Appleton Mfg. Division has many options
