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Analyze Powder Flow

(New Products)

February 28, 2010, ... of established products. Test options include flow function, time consolidation, wall friction, and bulk density. Brookfield Engineering | 800-628-8139 | www.brookfieldengineering.com Circle 405 or ...

Tape Is Tough for Tabs

(Narrow Web)

January 31, 2010, ... targeted for protective tabs used in cylinder lithium batteries. APTIV film, made from Victrex PEEK polymer, is said to offer the best combination of friction and wear properties combined with high heat ...

Time To Say Goodbye

(Process Management)

November 30, 2009, ... frequency of testing. One response by converters is to use newly developed solvent inks with retention levels as low as water-based products. Coefficient of Friction | Out-of-spec COF will cause any number ...

Apply Glue with Control

(New Products)

October 31, 2009, ... system for fine-line gluing and precision fold softening. Features include automatic fluid flow control, motorized remote valve positioning, and contact nozzles that offer reduced web friction and clogging ...

Spool Rules

(Winding Unwinding Rewinding)

August 31, 2009, ... as a result of speed changes during winding. This overtravel phenomenom most often is found in mechanical traverse units in which adjustment is made through a friction-type assembly. Once the traverse ...

Winding Doesn't Add U

(Archive)

July 31, 2009, ... You may see pressure and friction within your winding roll go up 10x or even 50x if you do the following: Double the winding tension. Double the winding nip load. Double your product thickness ...

Contamination Combat

(Web Cleaning)

May 31, 2009, ... the friction that is created between the surface and the air. As the web accelerates, the surrounding air is drawn along. This layer of air effectively acts as a magnet holding onto any particles. This ...

The Coefficient of Winding Trouble

(Web Lines)

April 30, 2009, In winding, the important coefficient of friction (COF) is always about the two surfaces that will come in contact as the entering layer hits the winding In winding, the important coefficient of friction ...

NEW PRODUCT DIGEST - May 2009

(New Products)

April 30, 2009, ...  Circle 403 or visit www.freeproductinfo.net/pff Idler Bearings Stand High Temps Custom designed low-friction idler bearings are engineered for low tension, fast-moving lines, even at elevated temperatures. ...

WEB EXCLUSIVE: Tension Control: Dancer Systems Defined

(Archive)

April 15, 2009, ... the same storage capability, such as load cell systems. Loading the Dancer For optimum performance, the dancer should be constructed of thin-walled tubing and be loaded by massless, low-friction ...

The Great Span Length Debate | Part 2

(Web Lines)

March 31, 2009, ... effect on web-to-roller traction. Longer spans don't increase the friction coefficient, tension, wrap angle, lubrication, or roughness/grooving. If sequential rollers are wrapped in over-under-over-under, ...

How Much Misalignment Is Trouble?

(Web Lines)

January 31, 2009, ... misalignment, but other possibilities include roller diameter variations or web lateral shifting; sufficient friction to bend the web; sufficient friction to hold the web in a buckled, wrinkled ...

Traction Tape Line Expanded

(News Eclips)

January 20, 2009, ... tape is said to provide a strong coefficient of friction and excellent wear characteristics to keep the rolls turning. Available in 1-, 2-, and 3-in. widths with a thickness of 1/16 in. (100-ft rolls), ...

Who's Driving This Nip

(Web Lines)

November 30, 2008, ...  Second, since idling nips steal tension from the web, they should be set at high nipping loads to create enough friction to transfer this tension to the rollers without slippage, though large wrap angles, ...

Tension Control: Mag Particle Clutch/Brakes Provide Smooth, Clean Torque Control

(Archive)

November 30, 2008, ... particles as might exist in a clutch or brake with a friction design. Processes for medical products such as sterile bandages or pharmaceuticals benefit from the clean operation of magnetic particles designs. ...

Web Exclusive: Slitting Film

(Archive)

November 11, 2008, ... borne in mind are stiffness, impact resistance, temperature resistance, moisture resistance, gas barrier properties, elongation, hardness, haze and gloss, film slip coefficient of friction (COF), elasticity, ...

Abrasion Resistance for Corrugated Shipping Containers

(News Eclips)

November 04, 2008, Michelman’s Nomar Series of abrasion resistant coatings meet market requirements for non-scuff performance for corrugated shipping containers CINCINNATI, OH | Michelman’s Nomar Series of abrasion resistant ...

Shifty Answers to Nip-Induced Tracking

(Web Lines)

October 31, 2008, ... be avoided whenever possible. Nips are required for many processes (listed above), but nips are the last choice for creating friction. Please choose large wrap angles on high-friction rollers or vacuum-suction ...

Testing & Measuring Products

(Magazine)

October 31, 2008, ... as cork extraction; friction testing; peel testing; pump actuation; tensile testing; top-load testing; and torque testing of child-resistant and tamper-evident closures. Mecmesin | + 44 0 1403 799919 ...

Get a Grip

(Narrow Web)

September 30, 2008, ... pneumatically controlled yoke applies pressure on the spacer and cores. Friction is applied on the sides of each core by the spacers, and the cores are allowed to rotate at their own rate. As roll diameter ...