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On Print | Digital Printing: New Year Resolution

(On Print)

January 19, 2014, ... are proportionally large, it is less discerning than resolution from lines. It is well known that resolution of inkjet is dependent upon image density (dot gain), but less well understood that it depends ...

Static Dissipator Performance

(Static-Beat)

December 23, 2013, ... let’s look at the flow of corona ions from the static dissipator to the charged web. The current density JION in Equation 2 is proportional to the electric field E. Equation 2: The current density ...

TAPPI Extrusion Coating Short Course

(Tom’s Poly Ploys)

September 25, 2013, ... and particular definition in polymer processing, that being a high molecular weight, crosslinked portion of polymer whose molecular weight is so high, in the order of millions, that the gel cannot be melted.  ...

Web Lines | Winding Process Fundamentals, Pt. 4

(Web Lines)

September 23, 2013, ... web and the lay flat or bagginess would be unchanged. However, if the web was held under the same strain differential conditions for long periods of time, such as within a wound roll, a portion of the ...

Inventory Management | Why MRO & Spare Parts Inventory Is Different

(Trends/Management)

June 06, 2013, ... that can be disproportionately high compared to the value of the item Manage the behavior of users who are part of your team but not accountable for their impact on inventory levels Beware of accumulating ...

Fluid Metering Inc. Duplex Pumps Are Valveless

(Inspection/Defect Detection)

April 26, 2013, ... to achieve dispensing ratios from 1:1 up to 500:1. STH and STQ Duplex metering pumps, recommended for diluting and proportional fluid control with ±1% precision for medical and analytical Instrumentation, ...

Maxson Roll Stand Feature Aids Production

(News | New Products)

April 17, 2013, ... of rethreading a sheeter rather than splicing the leading edge of the new roll to the end of the old web. The automatic tension system uses a proportional control design. A sensor fixed on the roll stand’s ...

Constantia Flexibles Plans $12 Million Investment

(Flexpack News)

April 13, 2013, ...  The Blythewood facility manufactures custom packaging for the pharmaceutical and food industries, including packaging foils for blister packages, child-resistant packaging, and lids for portion-controlled ...

Web Lines | Winding Process Fundamentals, Pt. 2

(Technical Reports)

February 18, 2013, ... or nip set point as a function of roll radius or speed. Winding torques and tensions may be controlled to vary with roll radius. In constant tension winding, the center torque is increase proportional ...

Eliminating Tin-Canning Rings on Your Wound Rolls

(Web Handling)

January 24, 2013, ... tensions reduce width contraction. Think of tension in terms of stress. Thinner webs will need proportionally lower tension, or they will have more strain and width contraction. For softer films, visco-elastic ...

Flexible Packaging | Exopack Wins FPA’s Top Award for Kraft’s YES Pack

(Flexpack)

January 21, 2013, ... PushPop, which is said to add a “fun factor” to portion control packaging. The packaging material and package design combine to provide an easy open, convenient package. Existing form/fill/seal equipment ...

Coating Matters | It’s a Turbulent World

(Coating/Laminating)

January 10, 2013, ... is defined and controlled through velocity and pressure of the fluid in the system. Consistency is key. Viscosity | Viscosity is inversely proportional to Reynolds number. So to keep the Reynolds number ...

Passive Dissipater Operation

(Static-Beat)

January 06, 2013, ... 2. The electric field E exiting the control volume is proportional to the static charge QINSIDE enclosed within. The integral in (eq. 1) is just the mathematical way to find the electric field exiting ...

Printing, Converting, and Material Innovations at PACK EXPO International 2012

(Print)

September 19, 2012, ... friendly, resealable, and durable packaging solution using an in-mold label (IML). This proprietary technology caps and seals in one step by leaving a portion of the label surface exposed inside the lid. ...

Winding Technology | Now Directly in the Drive

(Controls)

September 19, 2012, ... tasks. As a consequence, engineering resources are available for other tasks. Additionally, a control system with a lower performance and price point can be used. In any case, a high proportion of the ...

MonoSol Films Make Edible Pouches

(Bag Pouch)

September 06, 2012, ... be consumed along with the food. Company says consumers benefit from on-the-go convenience, in addition to portion control and sustainability in terms of not having to throw away the package. Foodservice ...

Management | 7 Rules for Selling Your Company

(Trends/Management)

August 26, 2012, ... unless the contingency portion is in excess of the expected transaction price. Retain A Competent Acquisition Consulting/Investment Banking Firm (Advisory Firm) Sellers require an advisory firm to ...

Static Quiz - Winding Roll - Answer

(Kelly on Static)

April 22, 2012, ... in front of the fieldmeter. The fieldmeter reading ESPAN is proportional to the charge inside the box. In this case, there are 3 positive charges and 3 negative charges inside the box. So, ESPAN is zero ...

WHQuiz Answer #4 - Load Cell Roller Advantages

(Web Handling)

February 22, 2012, ... – Name one advantage of using a tension load cell roller has over a dancer roller in a closed-loop tension control system? A tension load cell roller, when properly calibrated, provides a signal proportional ...

Web Lines | A Rant from Tim Walker

(Web Handling)

December 04, 2011, ... it is just laziness or ignorance. In some cases, at least 20 and 30 years ago, it was a cost decision. Adding a multiplier to make a display proportional to load was cost prohibitive. Though that doesn’t ...