THE BUSINESS OF VISCOSITY BLOG



    Stabilizing Compound Temperature: The Secret to Liner Placement Consistency

    Posted by Mike Bonner

    Oct 25, 2016 9:31:00 AM

    In our post, Temperature Variations Cause Inconsistent Liner Placement, we “proved” that compound temperature and placement are related – by using the transitive property from our old high-school algebra days.

    Sounds “geeky," right?

    Perhaps, but it proved to be a fun way to look at a couple of otherwise mundane subjects. Through that process we came to the conclusion that:

    “…if we can control the temperature of the compound as it exits the nozzle, it will be at a predictable viscosity and we can go a long way toward controlling the liner process.”

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    Topics: Manufacturing

    Controlling Temperature to Reduce HFI's

    Posted by Mike Bonner

    Oct 24, 2016 1:22:00 PM

    In our recent blog post, Five Reasons SPC is Nearly Impossible for Liner Operation, we determined that:

    “For all of its importance, liner weight is an extremely difficult metric to manage – and it turns out that SPC is no help whatsoever!”

    And as we unraveled all the reasons why, we determined:

    “QC Holds are inevitable.”

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    Topics: Manufacturing

    Why Your Liner Quality Changes from Shift-to-Shift or Season-to-Season

    Posted by Mike Bonner

    Oct 19, 2016 9:08:00 AM

    It’s the first sunny day of the week and you’re sitting in your office thinking about heading out a little early to enjoy it when your line supervisor steps into your doorway to deliver the news you were hoping wouldn’t come…

    “The Liner’s Down…Again”

    “QC put the lot on hold – two skids that may need to be sorted before they can ship, and if those ends aren’t there in the morning, there will be hell-to-pay!”

    So much for leaving early…

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    Topics: Manufacturing

    Temperature Variations Cause Inconsistent Liner Placement

    Posted by Mike Bonner

    Oct 17, 2016 10:02:00 AM

    In this segment of our continuing examination of the can end liner process, we are going to get into some basic process mathematics. But before you run screaming from your computer (or reach for your mouse), let me just say that it’s pretty basic and pretty straightforward – and I think you’ll find it interesting, too!

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    Topics: Manufacturing

    Improving Weight Control on Older Liners

    Posted by Mike Bonner

    Jul 22, 2016 1:04:39 PM

    In our post, Getting World Class Performance Out Of Old Liner Equipment, we noted:

    “In many industries, rather than replace the whole machine, it is commonplace to retrofit it with new technologies to bring its performance up to contemporary standards.”

    And then went on to state:

    “The key to a successful upgrade project is to closely examine your process to identify those parameters that are directly related to the defects you’re experiencing, then to focus your efforts specifically in those areas.”

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    Topics: Manufacturing

    Getting World Class Performance Out of Old Liner Equipment

    Posted by Mike Bonner

    Jul 12, 2016 2:01:55 PM

    It may be hard to believe, but many of the industrial processes in use today were originally developed during the first half of the 20th century – yes, before 1950!

    The can making process is no exception.

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    Topics: Manufacturing

    How Stabilizing Compound Temperature Improves Liner Weight Consistency

    Posted by Mike Bonner

    Jun 29, 2016 9:00:00 AM

    In our prior post in this series, "The Impact of Temperature and Pressure on Liner Weight Consistency," we demonstrated that, for a fixed orifice system:

    “…the parameters critical to controlling the liner process are temperature and pressure.”

    In this segment we will examine the relationship between temperature and pressure to determine their hierarchy in the control process.

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    Topics: Manufacturing

    Five Reasons SPC is Nearly Impossible for Liner Operation

    Posted by Mike Bonner

    May 11, 2016 1:00:00 PM

    In our recent blogs, Can Liner Weight Variations Impact Quality, Delivery, and Cost Structure, and Variation in Liner Placement Impacts Delivery, Quality, and Cost, too!, we identified weight and placement as the two primary criteria for liner effectiveness.

    Though a high-throughput, repetitive process, which would seem to make it an ideal candidate for Statistical Process Control (SPC), the reality of these criteria makes it almost impossible to manage using these methods.

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    Topics: Manufacturing

    Variation in Liner Placement Impacts Delivery, Quality, and Cost, too!

    Posted by Mike Bonner

    May 3, 2016 10:30:00 AM

    In our recent blog, Can Liner Weight Variations Impact Quality, Delivery, and Cost Structure, we discussed how modern sealing technology has changed the way that cans are manufactured and judged. In particular we noted:

    “As with any sealing process, two of the most important criteria are:

    1. Volume of the sealer applied
    2. Placement of the sealer (called 'compound')"
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    Topics: Manufacturing

    Why Customer Returns are the Worst for Can Makers

    Posted by Mike Bonner

    Apr 25, 2016 9:00:00 AM

     

    Customer rejects suck…period!

    The reasons they hurt your business are well-documented. Not only can they damage your relationship with your customer – in the worst case pushing them to look for another supplier – they can even make you question your own capabilities as a manufacturer. But most of all, they are expensive.

    The impact of rejects can vary widely by industry and manufacturer. For instance, if you make DVD’s or tablet computers, handling a reject can be as simple as providing your customer with a replacement unit. 

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    Topics: Manufacturing

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