Solving VFFS Film Tracking Problems
A film web moving a few millimetres off-centre can quickly become a production issue. VFFS film tracking problems commonly show up as uneven back seals, poor print registration, creased packs, film damage at the forming shoulder, or repeated machine stops. The immediate temptation is to adjust the web guide, but the guide is often correcting […]
Why Do VFFS Seals Fail on Production Lines?
A VFFS machine can continue producing bags at speed while making seals that look acceptable but fail under handling, compression or leak testing. That is why the question, why do VFFS seals fail, needs to be investigated as a process issue rather than treated as a simple temperature-setting problem. Reliable sealing depends on the interaction between […]
How to Choose a VFFS Machine for Powders
Powder packing exposes weaknesses in packaging equipment very quickly. Fine dust affects seal quality, inconsistent bulk density affects fill accuracy, and unstable film control leads to wasted material and unreliable packs. Choosing a VFFS machine for powders is therefore less about headline speed and more about selecting a system that matches the product, dosing method, […]
What is VFFS?
Vertical Form, Fill, and Seal (VFFS) machines are specialist primary packaging systems that form bag-style packages from a flat roll of film. Widely used across the food industry, VFFS machines package a wide range of products, such as crisps, confectionery, frozen foods, baked goods, and various dry food items. Chances are, you’ve handled a VFFS […]