Search

Montalvo Launches Open-Loop Tension Control

(News | New Products)

October 08, 2015, ... in open-loop tension control, the TSC Torque Sensing Control System. Company says the system offers a precise, reliable tension reference that operators can use to ensure consistent, high quality production ...

Web Lines | Unwritten Rules, Now Written

(Technical Reports)

April 27, 2015, ... high tension, marginal tension, and low tension: High tension webs run straighter, have more traction on rollers, providing more force for spreading devices to prevent wrinkles. The high tension web ...

Should Unwind Tension Be Lower Than Winding Tension?

(Web Handling)

March 26, 2015, ... product not complaining, you will likely wonder if your customer has changed something at their end. If the customer has changed their unwinding process to unwind at higher tension (more braking torque), ...

Show Preview | NPE2015 Boasts Its Largest Event Ever

(Trends/Management)

February 16, 2015, ... they invest.”   Show Highlights In addition to seeing lots running equipment, the weeklong show will provide attendees with plenty of educational opportunities and networking events. “Our conference ...

Show Preview | ICE USA 2015 Returns to Orlando with Added Features

(Trends/Management)

January 05, 2015, ... person operation and provides a highly efficient and flexible solution for short- and medium-run work. It runs to the length set by the operator, turrets, loads fresh cores, strips the roll from the rewind ...

Tidland Will Supply NimCor Air Chucks

(News | New Products)

September 25, 2014, ... products for the web handling industry, will now carry many of the Air Chucks from NimCor. Company says the new Air Chuck lineup, featuring a rugged, high-torque design, will continue its reputation for ...

Show Preview | Labelexpo Americas 2014 Enhances Focus on Package Printing

(Label/Tape)

August 04, 2014, ... and the “Internet of Things” are some of the topics that will be tackled. PFFC’s On Print columnist Dene Taylor will moderate a session on Inkjet Technologies: printing, substrates and inks for high ...

Converting Headaches? Get Relief at CPP EXPO's PFFC-Sponsored Technical Session

(Trade Shows)

July 13, 2014, ... it. Key Take Aways: 1. Digital print technologies suitable for labels and packaging 2. Examples of high productivity presses and printers 3. Strengths and limitations of the various technologies 4. ...

Web Lines | The Case of the Missing Pacer

(Technical Reports)

July 07, 2014, ... by radius. Two opposing torque systems can have three cases: If the unwind brake tensioning force is higher than the winder tensioning force, the brake should not slip and the line will remain stopped. ...

Montalvo Video Details Range Expansion

(Controls)

June 24, 2014, ... high mass rolls at lighter tensions (i.e. films and foils), run low torque and tension applications that require high torque to stop (i.e. sheeters), and reduce friction pad wear. According to president ...

HAECO System Removes Corrugated Trim

(Corrugated)

May 25, 2014, ... ensure proper gluing, and it virtually eliminates production stops or post-production searches for “bad boxes” due to trim caught in the glue station.  Designed for mid- to high-volume operations, system’s ...

Is There a Doorman at Your Winder or Do You Let Just Any Web Get In?

(Web Handling)

May 15, 2014, ... roll or rubber roller covering can forgive. Wrinkling–Nipped processes are always sensitive to baggy and skewed webs, especially when tension isn’t high enough to pull out the extra length. Spreading ...

Processing Tips to Prevent Gauge Bands - Part 1

(Tom’s Poly Ploys)

May 08, 2014, ... normal ranges, increase to 20 RPM, then to 30 RPM.  You should have a good steady stream of molten resin coming out of the die at this time.  If motor amps surge or are too high, investigate and solve ...

Web Lines | Why Is Winding Optimization Difficult?

(Web Handling)

April 21, 2014, ... telescoping is in your future (or present). Air management is critical in high speed winding. Get enough air out to have friction between layers, but don’t take it all out, since entrapped air helps hide ...

Web Lines | The Case for Shorter (and Longer) Acceleration Times

(Slit)

February 04, 2014, ... including the one that was running on this slitter, wrinkle much more at low speed. At higher speeds, air lubrication reduces the web-to-roller traction, reducing the ability of a roller to shift or gather ...

Web Lines | Winding Process Fundamentals, Pt. 4

(Web Lines)

September 23, 2013, ... average diameters will have above average nip load. Many factors in winding are non-linear, so small changes in thickness can create 10x to 50x higher stresses and strains in thick vs. thin lanes. The ...

Control Techniques Offers New Servo Drive Solution

(Drives/Motors)

June 18, 2013, ... new high-performance servo drive, designed specifically for use with Rockwell Automation PLCs, is said to be compact yet powerful and optimized for pulse duty, indexing servo applications requiring high ...

Webex Carbon Fiber Rolls Have Custom Finishes

(News | New Products)

June 05, 2013, ... layers of carbon fiber winding. The added thickness is said to provide a highly durable surface that, for most applications, does not require additional protective coatings. These custom rolls are also ...

Siemens Offers Matched Motor/Drive Combo

(Drives/Motors)

May 10, 2013, ... warranty. The motor and drive combinations are power-matched for 480V high-overload operation through a 20-hp range, with I2T protection from thermal damage provided as a standard in both the motor and ...

Web Lines | Winding Process Fundamentals, Pt. 3

(Web Handling)

May 08, 2013, ... First, stack modulus is not a constant, increasing under higher pressures. Second, stack modulus is often much lower than tensile modulus (except in highly compressible soft film stacks). Wound-on tension, ...