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Differential Winding Limits: Part II

(Magazine)

November 30, 2007, ... tool, they have their limitations. Last month I covered the complexity of a differential shaft's actual applied torque. This month we cover more differential shaft limitations. My goal isn't to put down ...

Two-Roll Heated Laminator with Unwind/Rewind

(Archive)

November 25, 2007, ... roll diameter is continually measured and adjusts the follower drive speed to maintain the programmed rewind torque proportional to diameter for adjustable taper tension winding. See independentusa.com. ...

Differential Winding Limits: Part I

(Web Lines)

October 31, 2007, The purpose of differential winding is to apply a desired torque to two or more rolls winding on a single shaft. Differential winding allows multiple rolls to turn at differing speeds, with each roll free ...

In Search of Tension Isolation

(Magazine)

September 30, 2007, ... your process (see “Drawing Conclusions,” my columns of May and June 2005). In closed-loop or torque-controlled zones, the system will adjust quickly for any upstream tension changes, making it seem as ...

WHAT'S NE

(Magazine)

August 31, 2007, ... now are able to run engineering and highly filled resins in coextrusion applications, which require high levels of screw torque. Wayne Machine & Die Co. | 973-256-7374 | waynemachine.com | PFFC-ASAP ...

Improve Induction Sealing Productivity

(Archive)

August 20, 2007, ... easy reference to the most common symptoms and causes of partial seals, weak seals, difficult-to-remove seals, burnt cardboard liners, low removal torque, and more. By reading this white paper, packagers ...

Driving R&D

(Magazine)

June 29, 2007, ... these demands, the new drive system needed to be capable of providing precise torque control over a wide range of machine surface speeds. Also key was the ability to control the many optional modes for ...

Keep Moving

(Unprinted Rolls)

February 28, 2007, ... was determining what type of power source would have enough torque to push a roll of paper without adding weight over the existing models. In addition, the unit needed to be stand-alone and easy to maneuver ...

How to Drive a Winding Roll

(Web Lines)

November 30, 2006, ... have more trouble with larger build-up ratios. A center winder’s torque and motor size will be a direct function of final tension and radius. Also, center winding transmits the core-applied torque to all ...

Wayne Machine Delivers New Extrusion Film Technology

(Archive)

November 05, 2006, ... 24:1 Yellow Jacket extruders, dies, blown film takeoff, cast film takeoff, and torque-controlled winder. It is capable of up to 12-inch layflat blown film and eight-inch-wide cast film. Full instrumentation, ...

Web Tension: A Pop Quiz

(Web Lines)

September 30, 2006, ... sensing roller in your process, congratulations, give yourself 5 points. However, if you control your process with torque from a brake or clutch, if you control tension with a dancer roller, if you control ...

What's Ne

(Magazine)

September 30, 2006, ... for low-torque applications is designed for use in unwind tensioning on web processing machinery including bag machines and narrow web and label presses. Brake is said to mount easily and is capable of ...

Difficult Winding: Part II

(Web Lines)

August 31, 2006, ... quickly goes in the dumpster. Why are large roll buildup ratios difficult? Larger buildup in center winding or unwinding means more torque transmission from the core to the outside layers, leading to ...

What's Ne

(Magazine)

August 31, 2006, ... to offer the highest available torque density in a platform that is customized easily to fit any application. Offers multiple voltage capabilities and can be used with most manufacturers' amplifiers and ...

LABELEXPO new product digest

(Magazine)

August 31, 2006, ... set-up time. Model D4 offers precise control of tension as low as 0.15 PLI, allowing converters to run ultra-thin films. Two-row, 12-ball, torque-activated design ensures equalized tension across any combination ...

MarquipWardUnited Wins Control Design 2006 Innovation Award

(Archive)

August 29, 2006, ... plastic and foil, and can cut short sheets as small as 11 inches long. The sheeter includes brushless, high-torque, knife-cylinder motors combined with low-inertia knife cylinders to reach high cutting ...

Deflecting Nip Roller Problems?

(Magazine)

March 30, 2006, ... and the big one: roller deflection. What causes nip roller deflection? All rollers are noodles. They may be 12-in.-dia steel noodles, but they will bend like noodles when torqued. If you set a solid ...

Mecmesin Sells to U.S.

(Archive)

February 05, 2006, Mecmesin Limited, a European supplier of testing solutions, now markets its line of force and torque measurement products directly in the U.S. and Canada. PRESS RELEASE WEST SUSSEX, UNITED KINGDOM—Mecmesin ...

Are You Rough Enough?

(Magazine)

January 30, 2006, ... tension, wrap angle, and traction coefficient can apply enough torque to overcome roller drag and inertial torque—no scratches. But as you want to run faster, with lower tension, or with larger radius, ...

New Products

(Magazine)

December 30, 2005, ... D4 offers precise control of tension as low as 0.15 PLI, allowing converters to run ultra-thin films. A two-row, 12-ball, torque-activated core-lock design ensures equalized tension across any combination ...