WILPAC Powder Canning Lines: Accurate Auger Filling and Nitrogen Dosing for Milk Powder and Protein Powder
Powder products behave unlike anything else on a packing line. Milk powder bridges and packs hard, protein powder fluidizes and floods, and fine flour-like blends create dust that contaminates seals and shortens service intervals. WILPAC Packaging Machinery builds powder canning lines around these behaviours: servo-driven auger fillers with diving heads, integrated dust extraction at the fill point, and load-cell feedback that corrects every dose before the can leaves the station.
Accuracy is where the cost is won or lost. Giving away two grams on every 400 g tin of infant formula costs a producer more than the machine itself over a single year. The WILPAC auger filler meters product in two stages, fast bulk fill followed by a slow top-up, then verifies the weight against a checkweigher downstream that automatically rejects out-of-tolerance tins and feeds the correction back to the filler. Typical accuracy stays within plus or minus one gram at speeds up to 60 cans per minute.
Shelf life is the second battle. Fat-rich dairy powders oxidize quickly, losing aroma and colour long before the printed date. WILPAC canning lines add vacuum seaming or nitrogen dosing to push residual oxygen below two percent, then close the tin with a double seam or an airtight foil membrane and overcap. The same line handles paperboard composite canisters, metal tins and plastic jars, with quick-change tooling so a plant can run protein powder in the morning and skimmed milk powder after lunch.
Every WILPAC powder line ships export-ready: CE-compliant guarding, stainless-steel contact parts, tool-free format changeover and multilingual touchscreens covering English, French, Spanish, Russian and Arabic. WILPAC machines operate in more than 50 countries, backed by remote commissioning, on-site training and spare parts dispatched within 48 hours. Discuss your filling project with the team at wilpac@wil-pac.com or WhatsApp +86 189 8850 1988.
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