Powder requires three things: accurate dosing, dust control, and a tight seal. This guide describes how screw and vibrating dosing work, how to evacuate the bag during filling, film selection, and speeds ranging from 30 to 50 bags per minute.
Coffee has three requirements for its packaging: retaining aroma, allowing CO2 to escape, and keeping the beans intact. This guide covers multihead weighing for whole beans, volumetric dosing for ground coffee, barrier film with a degassing valve, and package sizes ranging from 250 g to 1 kg.
A line for preformed Doypack bags grips, opens, fills, and seals individual bags: 30 to 60 bags/min, sizes ranging from 100 x 150 to 400 x 500 mm, and three filling methods. This page describes the operation step by step and explains when the VFFS method is a better choice.
Preformed bags or a VFFS line? This guide compares both options based on seven criteria: bag presentation, output, format changeover, film costs, operation, investment, and sustainability—with a comparison table and practical rules of thumb for each situation.
The price of a packaging machine isn't listed in a catalog: it depends on seven factors, including the level of automation, output, materials used, and the dosing system you choose. This guide will help you compare quotes based on identical specifications.
Potato chips, nuts, and popcorn require a VFFS setup that minimizes breakage and preserves flavor: a multihead weigher with a gentle infeed, nitrogen flushing, and the right barrier film. This guide outlines the technical options, from the dosing mechanism to film thickness.
Animal feed pellets are the traditional application for vertical form, fill, and seal machines: from retail bags to 20-kg bags. This guide covers dosing systems, speed per bag size, the practical pitfalls of grease and dust, and film selection.
Every change in bag size or film results in time and waste: typically 10 to 30 minutes and 20 to 50 bags on a VFFS. Five factors—servo control, tool-free changes, spare parts, training, and layout—determine how quickly you can get back up to speed.
A vacuum sealer removes the air from the bag before sealing it, which significantly extends its shelf life. This guide compares chamber and nozzle-type vacuum sealers, discusses film selection, and lists products that cannot be vacuum-sealed.
Film is often the largest cost factor over the lifespan of a VFFS line. Five measures—bag length, seal edge, film width, format change, and mono-PE—with calculation examples that illustrate their benefits.
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