Search

Static Beat: Off-Line Charging Measurements

(Static Elimination)

March 31, 2011, ... the charge density or charge per unit area. Charge also depends on process parameters like the nip engagement pressure and roller drive speed. So, plan on using a feature/check type test where you measure ...

Automating Static Control with Online Monitors

(Static-Beat)

June 11, 2023, ... density on the exposed surface of the web wrapped on a grounded idler roller. An ESFM respond to the sum of the charge densities on both sides of the web.1 Online electrostatic voltmeter (ESVM) V1unw-back ...

Winding: Part 5

(Web Handling)

April 16, 2023, ... variations. Reduce roll density. Reduce web temperature before entering the winder and in storage. If possible, wind the web loose; allow it to age and rewind it to final dimensions. Caliper Loss Near ...

Winding Part 5: Solutions for Common Wound Roll Defects

(Converting Expert)

April 03, 2023, ... root cause will be a persistent cross deckle (CD) variation. Most likely suspects include caliper, basis weight, moisture or temperature. Identify and reduce cross deckle variations. Reduce roll density. ...

Winding: Part 2

(Roll Handling)

December 18, 2022, ... is due to plastic deformation. Document Average Wound Roll Density Average Wound Roll Density is a single metric that allows one to understand your wound roll structure. This is particularly true ...

Wound Roll Mechanics: Part 2

(News | New Products)

December 12, 2022, ... The amount of difference is due to plastic deformation. Document Average Wound Roll Density Average Wound Roll Density is a single metric that allows one to understand your wound roll structure. ...

NDC Technologies’ Legacy of Delivering Solutions Continues

(News | New Products)

May 31, 2022, ... systems are in service in more than 100,000 customer applications around the globe. From moisture to thickness … to coat weight and density … to diameter and length and speed measurements, were involved ...

Roll Diameter Requirements in Converting Processes

(Web Handling)

June 30, 2019, ... and calibration; •    Susceptible to dirt and dust; •    Certain low density materials may absorb the ultrasonic signal; •    Mounting is critical and if the sensor is disturbed it will not operate properly; ...

Static Beat | Assess Static Risks Using Electric Fields

(Static-Beat)

May 12, 2019, ... of free space, is 8.85×10−12 F/m or 8.84 pF/m. So, if our web has a charge density of +2.0 mC/m2, (+2.0×10−6 C/m2), the electric field would be 2.3×10+5 V/m, which is 2.3 KV/cm or 5.7 KV/in. So, a charge ...

Static Beat | Static Control for Nip Rollers

(Static-Beat)

December 03, 2018, ... single-layer web, VIN BOT responds only to the static charges on the exposed surface facing the voltmeter. Find the static charge density on the bottom surface of the incoming web using (1). In ...

FACTS Inc. Announce their Revolutionary New TeraGauge Measurement for Web Applications

(News | New Products)

November 07, 2018, ... density, single & multilayer thickness measurements can be made using the single-sided TeraGauge sensor with an accuracy that is equal to or better than conventional technologies. This new measurement ...

X-Rite Announces Color Management System

(News | New Products)

March 24, 2018, ... to the human eye. Full Range of Color Measurements. In less than 10 sec, IntelliTrax2 measures process colors, spot colors, PANTONE colors, paper color, tone value increase, gray balance, and ink density. ...

Techkon USA Upgrades Spectrophotometer

(News | New Products)

January 15, 2017, ... scan press sheet color bars in seconds while simultaneously sending spectral and density measurement data to a PC running the company's Expresso software. Allows the scanning of a 40-in. press sheet in ...

NDC Sensor Has Many Applications

(Controls)

August 28, 2016, ... clear, pigmented, voided/pearlized products, plus tints in total or as stripes. It measures the true thickness and weight of voided, microporous, or breathable films and derived density. It can measure ...

QuadTech Launches In-line Measurement Device

(News | New Products)

June 19, 2016, ... the spectral response of color mark patterns or other defined locations in the image, and the system’s software calculates L*a*b* and density values—then calculates the ∆E and ∆D from the target. The ...

Show Preview | Focus on Industrial Printing at drupa 2016

(Print)

April 28, 2016, ... viscosity, ensuring a constant, accurate ink density on the printed substrate, without air contamination.      AniCAM 3D scanning microscope Troika Systems (Hall 10, C13-4) will unveil two cutting-edge ...

CPP EXPO Conference Agenda Covers the Industry

(News | New Products)

June 06, 2015, ... automation, 2) UV Flexo with full anti migration safety, and colour density in-line adjustment 3) Expanded Colour Gamut. Their optimized integration is supported by the REVO Team, which includes some of ...

Corona Treating | Why All Films Do Not Treat the Same

(Surface Prep)

March 29, 2015, ... 2.0 watt density yields very different results on polyethylene terephthalate (PET) compared to polypropylene (PP), and a nominal change in watt density can produce unexpected results. This article looks ...

Landaal Packaging Adds New Gluer/Detection & Trim Systems

(Carton Box)

January 06, 2015, ... glue pump, which maintains constant pressure on the glue lines and eliminates variations in glue density caused by pressure pulsation inherent with single-piston pumps. The system's electronic 240-watt, ...

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

(Trends/Management)

January 05, 2015, ... fpm or more, slits to a minimum 1-in. width, and handles a broad range of materials. Advanced technologies and features precisely control roll edge quality and density. Available unloading systems include ...