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Products

(Magazine)

April 29, 2004, ... high-torque chuck incorporates advanced technological capabilities, including hardened jaws that concentrically expand; spring return cams; and centering cones for easy insertion. Chuck is manufactured ...

Fun with Force Gauges

(Magazine)

February 28, 2004, ... caused by hysteresis and friction. Measure torque of bearings, brakes, and clutches Attach the strap to the surface of a braked or clutched roller or core. Pull with the force gauge to measure the ...

Products

(Magazine)

January 30, 2004, ... (less than 20 mm screw diameter) that utilizes hammered and splined screw shafts to facilitate torque transmission of 74 NM, an increase of 50%+ over keywayed shaft designs. Screw speeds are available ...

Friction Circles on a Winter's Da

(Magazine)

December 31, 2003, ... and March), I wrote columns on cinching, where the winding roll's torque capacity is exceeded. The friction circle concept explains why cinching typically is accompanied by telescoping. When the machine-direction ...

Products and Materials

(Magazine)

December 30, 2003, ... to produce smooth, infinitely adjustable slip torque. Brakes are used for payout tensioning and load simulation. Clutches are used for rewind tensioning and torque limiting. Torque is varied by controlling ...

Magpowr's Online Tools Can Help Simplify Web Tension Contro

(News | New Products)

December 14, 2003, ... in the selection and operation of torque and tension control components. "New application software enables users and distributors to determine the sizing requirements for brakes, clutches, and load cells ...

Just Rolling Along

(Archive)

September 30, 2003, ... servo motors, controllers, sensors, torque motors, encoders, clutches, and other components and assemblies. However, if the linear motion required of the tool head is a simple, reciprocating motion, ...

Products

(Magazine)

September 29, 2003, ...  Co. offers a new line of force and torque gauges, including the first with Advanced Loadcell Cartridge (ALC) technology said to eliminate calibration and simplify setup. The line includes four models, ...

Pay Attention to Tension

(Archive)

August 31, 2003, ... or motors attached to the core chucks or shaft. The torque applied at the core is transmitted through the roll's radial layers to create tension at the outside of the roll. After the unwind tensioning ...

Products

(Magazine)

August 31, 2003, ... feature a wide variety of tension control schemes for any application. These include simple torque controls; tension controls based on electronic computation; dancer feedback; load cell feedback; and more. ...

A Slippery Answer to Web Scratching

(Magazine)

June 30, 2003, ... and calculate a Traction Safety Factor (TSF), an indicator of how close each roller is to slipping. The TSF is the ratio of driving torque (wrap*tension*COF*radius) to drag torque (bearing drag torque ...

Winding Better Rolls

(Archive)

May 31, 2003, ... reasons. First, paper roll properties allow winding to extremely large-diameter build-up ratios, where the final roll's diameter may be 20x the core diameter. If tensioning torque is generated from the ...

Products

(Magazine)

May 31, 2003, ... gearhead delivers 3 arc-min positional accuracy in a package size that is just 2 mm (sq) × 37 mm long. With a rated torque of 5 in.-lb and a maximum torque of 24 in.-lb, gearhead has both an input shaft ...

What's New in Narrow We

(Magazine)

April 30, 2003, ... for narrow web setups, shafts are said to excel at light loads and provide moderate torque. Turret Rewinder Made for Small Rolls CTC International, West Caldwell, NJ; 973/228-2300; ctcint.com The ...

Products

(Magazine)

April 30, 2003, ... requiring high torque at low speeds. Enhanced Software Is Upgraded Trapping Solution Creo Inc., Burnaby, B.C., Canada; 604/451-2770; 800/685-9462; creo.com TrapWise 3.6 software is the newest version ...

Products

(Magazine)

February 28, 2003, ... AC Drive Provides Precise Control Rockwell Automation, Bloomington, MN; 800/223-5354; rockwell.com The PowerFlex 700S AC drive gives printers and converters precise control of motor torque, speed, and ...

Cinching Belt Tightening Gone Bad: Part Two

(Magazine)

February 28, 2003, ... spoke line, there is no cinching. How is cinching eliminated? Cinching occurs when torque capacity is less than applied torque. Stop it by changing either side of this equation. Reduce the applied ...

Minimize Slip of AC Induction Motors

(Magazine)

February 28, 2003, ... now available also are detailed, including technology to minimize the negative effects of slip. Motor Slip Is Necessary for Torque Generation An AC induction motor consists of two basic assemblies: ...

Cinching Belt Tightening Gone Bad: Part One

(Magazine)

January 31, 2003, ... referring to how the roll's layers will tighten like a clock's spiral spring. When does cinching occur? Cinching occurs when any point in a roll is pushed beyond its torque capacity. Each layer of a roll ...

Products

(Magazine)

January 31, 2003, ... Program features four integrated business areas: ECM Measure; ECM Control; ECM Communicate; and ECM Compliance. Torque-Activated Chuck Is Efficient Rimor Ltd., Hampshire, U.K.; +44 2392 26406; rimor.co.uk ...