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A Hastamat CP multihead weigher combining hoppers to hit a target weight.
Application

Nuts & Trail Mix

Precision weighing and packaging for nuts, dried fruit, trail mix and seed blends. Combination weighers ensure accurate weight with mixed products of varying density.

Somewhere on a nut line, product is leaving the building for free. Not much per pack, a few grams over the declared weight, on bags that pass every check and never trip an alarm. Multiply it across a shift and then a year.

Nuts raise the stakes, because the product is expensive. Giveaway that barely registers on a bag of chips is a significant annual number on pecans, almonds or cashews, and precision weighing is how you keep it in the plant.

Mixed products are where precision pays

A trail mix is several products of different density, piece size and flow behavior sharing one bag. A system that meters by volume or by time has no way of knowing what it just dispensed, so it carries a margin wide enough to cover its worst moment, and you pay that margin on every pack.

A Hastamat multihead combination weigher works the other way around. It weighs first and selects second, searching live weights for the combination closest to target without going under. Nothing is estimated, so nothing needs a safety margin.

What decides the configuration

  • Target weight and the tolerance your market requires.
  • Piece size, because it sets how finely the weigher can resolve a target.
  • How many components share a bag, and whether the ratio between them matters.
  • Whether the product is oily or dusty, which shapes both the handling and the cleaning specification.

Where Piepenbrock Packaging starts

With your product and your current giveaway. How a multihead weigher reduces giveaway includes a calculator that works it out from your own numbers, and Piepenbrock Packaging takes it from there with Hastamat.

From the Piepenbrock Packaging Presents podcast

Multi-Ingredient Weighing with a Multihead Weigher

Dennis Feldbusch and Thomas Bornemann, Hastamat

Dennis Feldbusch says Hastamat weighers can run up to four to six different products, flavors or ingredients, mixed on top and brought down into the packaging machine.

Common questions

How much giveaway can we realistically recover?
Multihead weighing is the most precise way to hit a target weight, and reducing giveaway is exactly what it is engineered to do. It weighs live product and selects the combination closest to target without going under, so the safety margin a volumetric filler has to carry is designed out. Your current overfill, your piece size and your target weight set what the recovery looks like on your product. Run the calculator in our giveaway article with your own figures, send PPT USA the result and we will confirm the configuration with Hastamat.
Can one weigher handle several different mixes?
Usually yes, and that flexibility is a large part of why multihead weighing suits this category. What changes between mixes is the setup, not the machine, so one line can carry a wide product range across a season. Send PPT USA the range of products and target weights the line has to cover and we will confirm the configuration with Hastamat.

Packaging nuts & trail mix?

Tell us the product and the pack you need. We will come back with the architecture that fits, a realistic sustained-output figure and what is worth proving on a sample first.

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