THE BUSINESS OF VISCOSITY BLOG



    Mark Portelli

    Recent Posts

    Temperature & Viscosity Control – NOT REQUIRED!

    Posted by Mark Portelli

    Jun 25, 2020 2:34:25 PM

    Someone recently asked me which applications are the most challenging for us when implementing viscosity and temperature control systems. When I thought about it for a second, it came to me. Dealing with viscosity and temperature variation is easy. We have been doing it for over thirty years. Installing, implementing and optimizing our systems is very straightforward. Making the decision on whether you should install one of our systems is the challenging part.

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    Topics: Viscosity, Temperature control

    Under Capacity? - Some Things to Look at

    Posted by Mark Portelli

    Apr 29, 2020 9:15:00 AM

    Your Line is on Hold, Now What? 

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    Topics: Manufacturing

    The Importance of Appearance and Rising Standards

    Posted by Mark Portelli

    Feb 27, 2020 3:59:06 PM

    We had an interesting thing happen a couple of years ago. A major Tier 1 Automotive Supplier, (we’ll refer to as T1), contacted us to see if we could help. Their customer, a top selling luxury car manufacturer, was raising the specifications on their paint finish and T1 was being asked to match. T1 told us that they could meet the new specifications but not consistently. They were hoping we could help. Fortunately, we had a champion at the T1 plant that was familiar with us and with work we had done in other finishing operations.

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    Topics: automotive painting, robotic painting, paint temperature control, paint surface finish, automotive paint finishing

    Where Do You Control Material Temperature?

    Posted by Mark Portelli

    Jan 15, 2020 12:45:00 PM

    We are fortunate to get the opportunity to tour many manufacturing plants and review a large variety of dispensing processes. One thing that really stands out is that most companies do a good job dispensing. Whether it’s a manual dispensing operation with skilled and experienced operators or an automated dispense with highly repeatable motions, in general, the companies we see are already doing a good job.
    When we’re out there, we often hear that either the booth or the plant are already temperature controlled. Often, this is said as if it eliminates the requirement for material temperature control. While definitely an improvement over no control, simply controlling the temperature of your booth and your plant, may not be enough to accomplish your quality and cost objectives.

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    Topics: Fluid dispensing systems, automotive painting, industrial painting, paint temperature control, automotive paint finishing, automotive finishing

    Why Efflux Cups Should not be Used for Process Control

    Posted by Mark Portelli

    Dec 18, 2019 10:47:00 AM

     

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    Topics: Zahn cups, Efflux Cups, coating, viscometers, flexographic printing, gravure printing, viscometry, non-newtonian fluids, ink management

    The Sustainable Future: How Flexographic Printers Can Go Green

    Posted by Mark Portelli

    Mar 1, 2018 3:03:00 PM

    From recycling, to solar roofs, to electric cars, environmental sustainability has become a trend that means big business.

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    Topics: sustainability, flexographic printing

    Has Digital Killed the Flexography Star? Digital Printing vs. Flexographic Printing

    Posted by Mark Portelli

    Feb 25, 2018 12:56:00 PM

    It’s no secret that the packaging and label printing industries have recently been paying more attention to digital printing.

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    Topics: flexographic printing, digital printing

    4 Flexographic Printing Issues and What to Do to Solve Them

    Posted by Mark Portelli

    Feb 22, 2018 4:33:39 PM

    When it comes to flexographic printing, maintaining consistent quality is paramount to the success of your operation — and profitability.

    Yet riding that thin line of consistency is easier said than done, as any number of issues can crop up in your process.

    However, every issue has a solution.

    Here are four common problems that can occur with your ink, including known causes and how you can potentially correct each one.

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    Topics: flexographic printing, ink management

    5 Things That Really Great Printers Do

    Posted by Mark Portelli

    Feb 11, 2018 1:11:00 PM


    Norcross has been in the viscosity control business for over 80 years. During that time we have seen “best practices” in the industry come and go. Some have become the standard and some have been displaced by new practices or technologies.

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    Topics: Viscosity

    10 Signs You Are Having Viscosity Related Problems

    Posted by Mark Portelli

    Feb 8, 2018 3:06:00 PM


    Even in the best circumstances, (new gearless high speed presses, highly trained and attentive pressmen, atmospherically controlled environments, great ink suppliers, etc.), you can still have print issues.

    Many of those issues may be related to ineffective viscosity measurement and control. 

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    Topics: Viscosity

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