Packaging Machines / Vertical Form Fill Seal
Nuts & Dried Fruit Multihead VFFS
Weigh and bag nuts, raisins, dried berries and snack mixes with a multihead weigher and vertical form fill seal machine.
- Combination weighing
- Product-specific feeding surfaces
- Pillow and gusset bag configuration

Configuration & Selection
For mixed products, provide the ingredient ratio as well as total bag weight. Validate blend distribution with the actual material.
Published Configuration Data
| Packaging Speed | 30 - 70 bags/min (Subject to bag volume, target weight, and material flow) |
|---|---|
| Bag Size Support | Length: 80-350mm | Width: 60-240mm (Customizable Formers) |
These values describe the listed configuration. Output depends on the product, fill quantity, bag and options. Confirm the final specification and trial conditions in your quotation.
Configuring a line for nuts and dried-fruit blends
This machine configuration combines combination weighing with vertical bag forming for nuts, raisins, dried berries and related snack mixes. Product is distributed among multiple weighing hoppers, selected portions are discharged together and the bagger encloses the dose in film from a roll. The source configuration includes product-specific feeding surfaces and pillow or gusseted bag options. Those choices should follow the material's behavior and the desired package, rather than treating every nut or fruit mix as an identical free-flowing product.
Whole almonds, walnut pieces and oil-coated raisins create different demands along the same route. The nuts may vary in piece size and break easily at exposed edges, while fruit can adhere to contact surfaces. A useful specification lists both the individual ingredients and the blends that will be packed. Describe the normal oil, salt or sugar coating, the target weight and the required retail presentation before comparing layouts or catalog speed ranges.
The relationship between feeding and combination weighing
The weigher needs a workable distribution of portions across its hoppers. Product first reaches the central feed area, spreads to individual channels and is transferred into weighing hoppers. If the bulk supply arrives in uneven bursts, some channels may be overfilled while others wait for material. Watch the feed pattern during a realistic refill, including the end of a container when small pieces and loose coatings may be more concentrated.
After a combination is selected, the full portion must leave the hoppers and travel through the discharge chute. Sticky dried fruit can remain behind, and elongated nut pieces can lodge at a restricted opening. Inspect these areas during the trial rather than relying only on the recorded scale result. Compare the weight of finished bags with the observed discharge sequence. The right configuration links the feeder, hopper geometry and bagger timing so that material measured for one bag is actually delivered to that bag.
Total bag weight and ingredient ratio are different targets
For trail mix or a fruit-and-nut assortment, specify the acceptable composition as well as the total mass. A premixed bulk supply may separate as ingredients move through containers, an elevator and the weighing system. Large walnuts, dense raisins and small seeds can follow different paths. A bag can meet the weight requirement while containing an unsuitable proportion of one ingredient. This is a product-definition issue that should be resolved before choosing the feeding arrangement.
Ask whether the proposal weighs an existing blend or includes equipment intended to control separate components. If separate ingredient feeding is required, request a clear description of that additional scope and its verification method. During the sample run, open enough bags to inspect composition using the buyer's agreed procedure. Record what happened near the beginning and end of the product supply, since a single attractive sample may hide segregation over time. The purchasing decision should reflect the actual blend requirement rather than an assumption about the term multihead.

Contact surfaces for oil, salt and sticky fruit
The catalog discusses feeding surfaces selected for nuts and dried fruit, including dimpled arrangements for more adhesive material. The supplier should explain which surfaces are included for your product and how they were chosen. Oil-coated nuts may leave a film, while sugared fruit may create deposits that become more persistent during a run. Test the actual coating and normal storage condition, especially where ingredients are packed soon after processing or after a longer hold.
Inspect feeder edges, hopper gates and the inside of the discharge chute for accumulation. A contact surface must be evaluated for release and for cleaning, because good initial flow does not eliminate retained residues. Confirm the approved cleaning method for the supplied parts and whether routine removal is practical in the proposed layout. If several allergen profiles share the machine, the factory's own changeover controls determine the required verification. A machine material description does not establish that those controls have been satisfied.
Choosing pillow or gusseted retail bags
The source table lists bag lengths of 80–350 mm and widths of 60–240 mm with customized formers. It also gives a packaging speed of 30–70 bags per minute, dependent on bag volume, target weight and material flow. Use these as catalog discussion ranges. The selected dose needs enough internal space to settle beneath the final sealing area, and different nut shapes can occupy different volumes at the same weight.
A pillow bag may suit a simple retail format, while gussets can change the filled shape and carton arrangement. Request a drawing showing the selected seams, gusset depth and usable product area. Review any additional structure or punch feature as an explicit part of the supplied configuration. Submit the film construction and printed layout for evaluation. Check filled samples for folded corners, uneven distribution and stress from sharp pieces, including after the normal downstream handling rather than only immediately after they leave the machine.
Sealing around loose particles and natural oils
Small nut fragments, salt and fruit residues can reach the closing area along with the main portion. Examine when the last particles pass through the filling tube and whether they remain above the fill when the jaws begin to close. A repeated contamination pattern may be caused by the timing or product path. Increasing seal temperature alone may leave the underlying cause in place and can affect the film in other ways.
The package assessment should include the actual laminate, the intended seams and the areas where folds meet. Use the sealing and package-integrity checks selected by the buyer's quality team. If nitrogen flushing is requested, identify the gas equipment and process in the quotation and agree on any atmosphere measurements required. Neither a gas connection nor a bright-looking nut sample establishes a storage claim. Product preservation depends on the complete product, film, seal and storage system, which should be evaluated through the appropriate testing plan.
Operating different pack sizes on the same line
A small single-serve pouch and a large family bag can require different forming parts, film widths and dosing settings. List the pack sizes that will run most frequently, along with their expected batch lengths. The proposal should identify which adjustments are made through the recipe and which require physical change parts. Check that operators can change those parts and inspect the product path without dismantling unrelated equipment.
For each changeover, confirm the correct product, former, film and target weight before collecting first-run samples. When switching between whole nuts and a sticky mix, add the required cleaning and line-clearance tasks to the sequence. Inspect initial bags for both composition and net weight if the new product is a blend. A realistic comparison includes startup material, verification work and cleaning access. It should not rely on a single quoted changeover time that omits the steps your factory needs to release production.
Evidence to request before final configuration
Send representative nuts, fruit and blends with their normal coatings and piece-size variation. Supply the target weights, bag drawings, film specifications and any ratio requirements. Mark the most difficult product, such as a mix with a high proportion of sticky fruit or a nut with fragile edges. Ask the supplier to explain how that product determines feeder surfaces, hopper openings and the final chute rather than selecting those parts from the easiest sample.
The demonstration should document finished weight, full hopper emptying, blend composition where required, product condition and seal observations. Retain labeled packs for review after handling and settling. Request an itemized equipment scope covering feeding, weighing, support structure, bag forming, optional gas equipment and discharge. Confirm utility and maintenance access requirements against the proposed factory position. A detailed trial connects the catalog's broad nuts-and-fruit capability to the actual mixture and retail formats the business intends to produce.
Prepare for a Configuration Review
- State per-ingredient ratio requirements separately from total bag weight.
- Test normal coatings and inspect retained fruit after repeated hopper discharges.
- Check film and seam condition around sharp nut fragments and loose seasoning.
Bag Format Selection
Review the pack requirements for your enquiry. Compatibility is confirmed for the selected equipment and sample.
Planning Guides for This Configuration
These pages cover the system type, trial preparation and project checks that apply to this configuration.
- Vertical Form Fill Seal Systems
- Multihead Weigher VFFS Systems
- VFFS or Premade Pouches: Where to Start
- Prepare a Packaging Machine Brief
- What Determines a VFFS Machine Quote?
- Buying Your First Packaging Machine
- Compare Packaging Machine Quotations
- Multihead Weighing or Auger Dosing?
- Fill Weight and Bulk Density
- Plan Feeding for Sticky Products
Request a Packaging Configuration
Tell us what you need to pack. Leave quantity and output blank if you are still deciding. When you continue, WhatsApp opens with your enquiry written out so you can review it and send it to our team.
What to Include in Your Enquiry
Send the product name and samples, target fill weight or volume, bag dimensions, packaging material, required output and destination country. Include your factory layout and utilities if available.


