Auto set-up comes to inexpensive vf/f/s machinesAug 03, 2016
by Pat Reynolds, Packaging World VP Editor
Makers of vertical form/fill/seal machines have offered automatic set-up functionality for mechanical axes of motion for some time now. So when changeover to a new bag size requires an adjustment of the vacuum belts that pull the flexible film down over the forming mandrel, for example, the operator selects the new setting by pressing a button on an HMI.
However, this auto set-up feature has typically been available only on expensive models of vf/f/s machines. That’s what makes the Morpheus continuous-motion vf/f/s machine from Matrix Packaging Inc. (www.matrixpm.com) quite unusual. Using servo motors from ZD-Motors USA (www.zd-motors-usa.com) that are specifically modified for this application, Matrix, which is part of the ProMach Flexible Packaging Group, is able to offer auto set-up in a machine with a rated speed of 180 bags/min that has a less-than-sky-high price tag.
“Ordinarily it can cost from $3,000 to $5,000 to automate one mechanical axis of motion on a vertical bagger like this,” says Mike Krummey, Senior Controls Engineer at Matrix. “We’ve figured out how to do it for a few hundred dollars per axis. So when we change to a different bag size, we make physical changes on the machine through automation. By minimizing the operator’s role this way, you do away with adjusting thumb screws, for example, and then making a few test bags to gauge where you’re at. It’s faster and more accurate because you are able to move mechanical parts in very fine, controlled increments. In addition, it’s repeatable because you’re able to store that setting as a recipe item in the controller.”
In addition to auto set-up on the vacuum belts, other mechanical axes automated by the ZD servo motors include vertical seal tool, edge guide tool, date coder positioning, and roll position locator, which is an optical indicator that helps an operator know where to place the film roll on the unwind.
“We see this auto set-up feature as a real breakthrough because it addresses a problem that people have always just assumed was insurmountable,” says Marc Willden, Vice President and General Manager at Matrix. “On a million dollar machine it’s okay to spend up to $5,000 per axis for auto set-up. But that doesn’t work on machines selling for $200,000 or less. We’ve found a way to bring auto set-up to those machines.”
Krummey points out that while auto set-up comes standard on the Morpheus continuous-motion machine, Matrix takes a different approach on the intermittent-motion Apollo. There the auto set-up feature is standard on the vacuum belt axis but is offered as an option on other axes. Krummey also points out that the auto set-up functionality is not something that can be retrofit into Matrix machines already out in the field.
See why Matrix customers love the Morpheus continuous motion VFFS. In this video snack food executives and operators discuss the winning recipe to bagging 8 million bags this year
Matrix is an industry leading manufacturer of rugged, cost competitive, and easy-to-operate vertical form fill & seal (VFFS) equipment for all types of flexible packaging and operates as a master distributor of FLtècnics rollstock pouch machines, INVpack stickpack and sachet machines, and Pacraft (formerly Toyo Jidoki) pre-made pouch packaging machines. Experienced in most flexible packaging applications, Matrix has the ability and knowledge to tailor highly efficient and sensible packaging systems and is committed to optimizing solutions for customers on a global scale. Matrix is a product brand of ProMach, a global leader in packaging line solutions. As part of the ProMach Flexibles & Trays business line, Matrix helps our packaging customers protect and grow the reputation and trust of their consumers. ProMach is performance, and the proof is in every package. Learn more about Matrix at www.MatrixPM.com and more about ProMach at www.ProMachBuilt.com.
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