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Basics: What Are the Key Process Variables of Winding?

(Web Handling)

May 02, 2013, ... bands to the others, you will again create a core pressure around five times the pressure of the first band and quite a bit higher than the pressure in your first experiment with 3.0-in. diameter bands. ...

Web Lines | Winding Process Fundamentals, Pt. 2

(Technical Reports)

February 18, 2013, ... of a roll. Therefore, center wound and unwound rolls need more pressure in near core layers. To achieve this near core tightness, many winding processes use higher values for winding tension and nip load ...

Show Preview | ICE USA 2013

(Trends/Management)

February 04, 2013, ... (Polymers, Laminations, Coatings and Extrusions) and its Nanotechnology Div., the association will offer a three-session event. The first session highlights Innovations in Preparing Polymer-Based Nanomaterials ...

Eliminating Tin-Canning Rings on Your Wound Rolls

(Web Handling)

January 24, 2013, ... in a less than full roll width band. He theorizes that tin-canning forms between two high gauge bands. The unsupported thinner web between hardbands will more easily compress to lower radial position, ...

Rockwell Automation Adds Power to Drives

(Drives/Motors)

January 12, 2013, ... the enhanced control capabilities of earlier high-power models, including features, such as 400/480/600/690 volt ratings and N-1 technology. Like all PowerFlex 755 drives, the latest frame size includes ...

Web Lines | Why Bigger Cores?

(Technical Reports)

November 15, 2012, Bigger cores avoid many winding defects. Fewer layers mean less near-core pressure buildup and high-pressure defects. Bigger cores avoid many winding defects. I like to joke that the ideal wound roll ...

Bodine Adds Power to Gearmotors

(Controls)

November 13, 2012, ... line. The new type 34B4/FV-F gearmotor combines company’s 34B brushless DC motor and a high-torque gearhead, (http://www.pffc-online.com/search?searchword=gearhead&searchphrase=all) along with a built-in ...

Zero-Max Adds Sizes to Coupling Line

(Controls)

October 21, 2012, ... line. Models SD025R and SC025R handle bore diameters of 5–14 mm and torque to 4 Nm. Said to provide high torsional stiffness, these new model couplings are designed to handle high-speed reversing loads ...

Winding Technology | Now Directly in the Drive

(Controls)

September 19, 2012, ... line. Implementing the winder application directly into the drive system has a basic advantage when compared to an external controller; namely, it relieves the higher-level, open-loop control of arithmetic ...

Kollmorgen Catalog Details Stepper Solutions

(Controls)

August 19, 2012, ... high torque in a small package. They are offered in a wide range of standard sizes, constructions, windings, and options to suit a wide variety of application needs. High-performance brushless, maintenance-free ...

Get NimCor Air Adapter Chucks Quickly

(News | New Products)

July 22, 2012, ... adapter chucks are said to be ideal for fast clamping to bars, spindles, or conventional shafts. A rugged, pneumatic bladder offers high-torque grip when inflated without wear or damage to cores. Dual ...

Labelexpo Americas | Mission Possible

(Label/Tape)

July 12, 2012, ... label' adhesives. The Diamond coating quadruples the life of the die and is highly resistant to cracking and chipping. Black Diamond coating provides maximum hardness while improving performance on stamps ...

Montalvo Single-Disc Brake Suited for Printing

(Controls)

June 05, 2012, The CS-Series brake from Montalvo Corp. is recommended for printing applications, including narrow web, and offers high capacity and low inertia   GORHAM, ME | The Montalvo Corp. has developed a ...

Zero-Max Couplings Meet Demanding Needs

(News | New Products)

April 20, 2012, Series A1C CD couplings from Zero-Max offer smooth operation and precise positioning in compact footprint   PLYMOUTH, MN | Zero-Max introduces a new series of the Series A1C high-performance CD couplings ...

Data Sheet Details Montalvo Brakes

(Controls)

March 25, 2012, A free, updated data sheet offers features, diagrams, photos, and more on Montalvo’s Standard Series Dual-Disc brakes   GORHAM, ME | The Montalvo Corp. is offering a free, updated data sheet on its ...

WHQuiz Answer #5 - Draw Control Pros/Cons

(Web Handling)

February 22, 2012, ... webs. Draw control is dependent on relative surface speeds of input and output rollers, making them sensitive to roller wear. If speed ratios are set too high, microslip will occur. Draw control has ...

Web Lines | Test Your Web Handling Knowledge

(Web Handling)

February 14, 2012, ... of rollers. 14. Wrinkling—If you see wrinkles at low speeds, but the wrinkles go away at higher speeds, what is the most likely reason? 15. Wrinkling—If a roller is deflecting into a bowed shape due ...

Web Lines | Blocking in Rolls

(Web Handling)

January 12, 2012, ... to unwind and delaminate as expected. Blocking occurs when the bond between layers increases. If the bond between layers is high enough, a blocking roll could stall the unwinding process, but more likely ...

Winding Film: How COF Properties Affect TNT

(Winding Unwinding Rewinding)

October 17, 2011, ...  In general, films that have a layer-to-layer COF value of 0.2 to 0.7 will wind well. However, consistently winding defect-free rolls of high-slip or low-slip (low COF or high COF) films usually presents ...

Web Lines: Take the Laminator Quiz

(Coating/Laminating)

October 16, 2011, ... (avoiding deflection-induced wrinkles)? 5 pts. 19. Do you set pre-laminate tension high enough to pull out product bagginess? 3 pts. 20. For cambered or skewed webs, do you have an adjustable roller ...