sealing jaws Archives - Greener Corporation Technical Resource Blog

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

Matt Wojtech horizontal flow wrappers, sealing, vertical FFS baggers July 18, 2022flow wrapper, heat, pressure, sealing jaws, sealing theory, vertical bagger

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 and anticipate the full effects of your adjustments. Read more

Pressure & Heat: Adjustments & Sealing Jaw Designs

Matt Wojtech forming, horizontal flow wrappers, sealing, vertical FFS baggers April 30, 2022carbon impressions, flow wrapper, pressure, sealing jaws, sealing over extra film layers, serrations, vertical bagger, wrinkles & creases

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 heat, if utilized, that seals across varying thicknesses created by the fin or lap seal, gussets, or other pleats and wrinkles. Read more

Case Study: Rejected Packages Delay Production – Sealing Problems Diagnosed & Solved

Mark Green case studies, horizontal flow wrappers, sealing March 16, 2022clearance, Dura-Therm, Easy Seal, flexible sealing face, flow wrapper, fractured end seal, line evaluations, sealing jaws, serrations, training

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. Read more

Running Sustainable Packaging Films on Flow Wrappers & Vertical FFS Baggers

Matt Wojtech cutting, forming, horizontal flow wrappers, sealing, vertical FFS baggers January 12, 2022flow wrapper, forming set, knives, packaging film, sealing jaws, vertical bagger

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 running these new films. You’ll find links to resources for:

• Machine Set-Up

• Sealing Jaw & Former Design

• Standard Operating Procedures

• Training

Worn Gears Cause Problems on Flow Wrappers

Jeff Fouche horizontal flow wrappers, sealing December 14, 2021backlash, flow wrapper, seal quality, sealing jaws

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. Read more

Sealing Jaw Carbon Impressions Reveal Multiple Problems

Mark Green case studies, cutting, horizontal flow wrappers, sealing October 18, 2021anvil, carbon impressions, clearance, flow wrapper, knives, sealing jaws

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.
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Package Diagnostics: Case 1 – Sealing Jaw Design

Matt Wojtech case studies, horizontal flow wrappers, sealing August 28, 2021Dura-Therm, Easy Seal, flexible sealing face, flow wrapper, heat, leakers, pressure, sealing jaws, sealing over extra film layers

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 may have overlooked—from new knife, sealing jaw, and former designs to machine adjustments that optimize the whole packaging process.
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Preventative Maintenance Checklist for Flow Wrappers

Mark Green cutting, horizontal flow wrappers, sealing July 21, 2021backlash, carbon impressions, cleaning, clearance, downtime, fin wheels, flow wrapper, forming box, knives, packaging film, seal quality, sealing jaws, wrinkles & creases

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 four areas before starting production, you will be up and running more quickly and avoid hours of downtime. Read more

Case Study: Resolve Cutting & Sealing Problems with Standard Operating Procedures & Training

Matt Wojtech case studies, cutting, horizontal flow wrappers, sealing May 13, 2021anvil, downtime, flow wrapper, heat, knives, leakers, line evaluations, pressure, seal quality, sealing jaws, training

One of Greener’s Technical Salespeople discovered that knife purchases by their customer had grown by 35% over the past year, at an additional cost of nearly $10,000. It seemed unlikely that additional production had accounted for all of this increase, which indicated to him that the customer could be experiencing problems on their horizontal flow wrappers.
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Analyzing Sealing Jaw Carbon Impressions to Troubleshoot Problems on Flow Wrappers & Vertical FFS Baggers

Mark Green case studies, horizontal flow wrappers, sealing, vertical FFS baggers April 26, 2021carbon impressions, cleaning, clearance, crimpers, downtime, flow wrapper, leakers, pressure, productivity, seal quality, sealing jaws, serrations, vertical bagger

In this Greener Tech Bite we analyze six sealing jaw carbon impressions and explain how each was used to troubleshoot problems on flow wrappers or vertical form fill seal baggers. Read more