Adjusting Heat, Time, & Pressure: Quality Seals on Flow Wrappers & Vertical FFS Baggers

The right combination of heat, time, and pressure is required to produce quality seals on form fill seal baggers and flow wrappers. These sealing elements are closely linked; adjusting one can change the others and cause unexpected problems. This post reviews the function of and relationships between heat, time, and pressure, so you can better understand […]
Knife Adjustment on Flow Wrappers: The Cost of Quick Fixes

https://vimeo.com/1185272606?share=copy&fl=sv&fe=ci When cutting problems delay production, quick fixes are often used to get flow wrappers up and running again. But instead of saving a few minutes of downtime, these shortcuts can cost you hours of production time. This Greener Tech Bite identifies common quick fixes that bypass standard knife adjustment procedures. Their immediate and cumulative effects cause […]
Pressure & Heat: Adjustments & Sealing Jaw Designs

https://vimeo.com/1185279661?share=copy&fl=sv&fe=ci This Greener Tech Bite reviews machine adjustments and sealing jaw designs that provide the pressure and heat* required for quality seals. You can consult additional, detailed posts and videos on each topic by clicking the red links or the corresponding images. Quality seals on flow wrappers & vertical baggers require a combination of time, pressure, and […]
Case Study: Rejected Packages Delay Production – Sealing Problems Diagnosed & Solved

https://vimeo.com/1185273468?share=copy&fl=sv&fe=ci When sealing problems kept a packager of energy bars from meeting their production requirements, they contacted Greener to see if we could help develop a solution. They explained to one of our technical experts that rejects and downtime due to split or unsealed packages had reached the point of crisis. Mechanics were constantly monitoring […]
Flow Wrapper Fin Wheels: Problems, Maintenance, & Design

https://vimeo.com/1185276628?share=copy&fl=sv&fe=ci Fin wheels on flow wrappers are often overlooked as the cause of poor package quality or reduced productivity. This Greener Tech Bite explains the problems caused by contaminated and worn fin wheels and reviews maintenance and design options that will help you prevent these issues. Most wrappers utilize at least two, and often three, […]
Running Sustainable Packaging Films on Flow Wrappers & Vertical FFS Baggers

https://vimeo.com/1185280474?share=copy&fl=sv&fe=ci Are you planning to test or convert to sustainable packaging films on your flow wrappers or vertical form-fill-seal baggers? Your current machine set-up and components may not provide quality results with these paper-based, recyclable, or compostable materials. This Greener Tech Bite outlines steps in your packaging process that you should evaluate and adjust before […]
Worn Gears Cause Problems on Flow Wrappers

https://vimeo.com/1185283792?share=copy&fl=sv&fe=ci Worn gears are often overlooked as a cause of set-up and sealing problems on flow wrappers. In this Tech Bite one of Greener’s technical experts encounters these issues when rebuilding a client’s cutting and sealing head at our manufacturing facility. Symptoms He had installed many new components on the head, including shafts, bearings, springs, […]
Sealing Jaw Carbon Impressions Reveal Multiple Problems

https://vimeo.com/1185280575?share=copy&fl=sv&fe=ci Sealing jaw carbon impressions provide a vital roadmap for diagnosing and troubleshooting problems on flow wrappers and vertical baggers. This Greener Tech Bite demonstrates how multiple issues can be revealed by a single impression. Clearance These carbons, labeled A and B, were made by the two-up, rotary sealing jaws on a flow wrapper. Both […]
Package Diagnostics: Case 1 – Sealing Jaw Design

https://vimeo.com/1185279448?share=copy&fl=sv&fe=ci This Greener Tech Bite is the first in a series of case studies on the Package Diagnostic Process. When we work with clients, sample packages provide vital diagnostic clues for troubleshooting problems on flow wrappers or vertical baggers. And even when clients don’t report problems, we use sample packages to help them discover and implement improvements that they […]
Preventative Maintenance Checklist for Flow Wrappers

https://vimeo.com/1185279795?share=copy&fl=sv&fe=ci Changes on horizontal flow wrappers occur regularly—during sanitation, product changeovers, part installations and adjustments, maintenance, and from wear and tear. These changes can impact the success of your next production run, yet they often go unnoticed. This Greener Tech Bite presents our quick, Preventative Maintenance Checklist. By investing five or ten minutes to inspect these […]