Why refurbish a used vertical packaging machine?
VAI vertical packaging machines VAI designed to withstand intensive production cycles and long periods of operation, thanks to a design philosophy that prioritizes sturdiness, mechanical precision, and durable materials.
This means that even a machine with many years of service can be fully restored and returned to its original performance levels.
Refurbishing a used machine offers advantages in terms of:
- lower cost than a new one;
- faster delivery times;
- environmental sustainability;
- upgrades compatible with modern technologies;
- higher residual value over time.
The concept is the same as that highlighted in the article “Service and Spare Parts: How to Preserve the Value and Uptime of VAI Lines,” where operational continuity depends on constant access to original components.
For an overview of current technologies, please visit the page dedicated to automatic vertical packaging machines.
Disassembly and diagnosis of a packaging machine: the initial phase of the revamping process
When a vertical packaging machine is brought into VAI, it undergoes a systematic analysis.
The first phase includes:
1. Disassembly of the main assemblies
- soldering unit;
- towing unit;
- film projection units;
- engines;
- pneumatic;
- critical kinematics.
2. Inspection of components
Each piece is inspected based on the following criteria:
- wear and tear;
- integrity;
- tolerances;
- compatibility with electronic updates.
3. Inspection of the load-bearing structure
The stainless steel frame—which is often still in perfect condition after decades—is sandblasted, cleaned, and inspected to ensure its geometry is correct.
This methodology reflects the principles of industrial mechanics, where the assessment of tolerances directly affects the accuracy of the cycle.
Complete mechanical overhaul: restore the packaging machine to its original tolerances
The mechanical inspection includes:
- replacement of bearings;
- inspection of shaft supports;
- recalibration of the drive pulleys;
- grinding of welding units;
- replacement of parts subject to thermal stress;
- transmission check.
The components are measured using certified metrological instruments to ensure that the remanufactured machine operates with the same precision specifications as the original.
This attention to detail is also central to the topics discussed in *The Role of Film in the Final Outcome of the Bag*, where mechanical precision and the quality of the seams are closely linked.
Electronic Updates: PLCs, Sensors, HMIs, and Connectivity
One of the most significant aspects of the revamping process involves the electronics.
Depending on the machine's age, VAI replace:
- Obsolete PLCs with modern Siemens versions;
- operator panels (HMIs) with updated interfaces;
- optical and inductive sensors;
- security modules;
- internal wiring;
In many cases, the refurbished machine can be configured to:
- data collection;
- remote assistance;
- integration with management systems;
- Industry 4.0 projects, as described in the article “Vertical Packaging Machines and Industry 4.0.”
This phase transforms a historic machine into a modern system that can be seamlessly integrated into current production lines.
Functional tests and adjustments: ensuring optimal performance
After undergoing mechanical and electronic inspections, the machine enters the testing phase.
The following are checked here:
- film processing cycles;
- uniformity of the welds;
- operating speeds;
- synchronization between the dosing unit/scale and the packaging machine;
- product stability in the bag.
The tests include evaluations of technical materials, multilayer films, and single-material films, in line with the growing demand for sustainability in industrial packaging.
For more information on the advantages of different materials, a useful resource is the study on polymeric materials.
Pre-final testing: testing with the actual product
Pre-testing is the point where revamping and performance meet.
VAI the customer to bring a sample of their product to verify:
- shape of the bag;
- stability on a pallet;
- actual film consumption;
- behavior during filling;
- weight accuracy;
- any minor mechanical adjustments.
This approach is described in detail in the article “Pre-testing in Industrial Packaging,” and it is one of the reasons that sets VAI refurbished equipment apart VAI generic VAI .
Additional solutions can be found in the VAI packaging machines.
Why VAI refurbished products VAI a safe and competitive choice
VAI revamping VAI tangible benefits:
- Certified quality thanks to real-world testing and pre-delivery inspections.
- Performance comparable to that of a new model thanks to targeted upgrades.
- Spare parts are also available for classic models.
- Extended lifespan for many years.
- Lower costs compared tobuying new.
- Sustainability and reducingenvironmental impact.
When a machine is built to last, refurbishing it means preserving an industrial asset that never loses its value.
To discuss upgrading your packaging machine or check the availability of used equipment, please contact our team via the page dedicated to automatic packaging machines: a second life can lead to a new high-performance production cycle.
Le nostre macchine, nuove e ricondizionate
- SA-EVO — la soluzione sviluppata per le produzioni contenute, dove l’investimento deve essere proporzionato ai volumi reali.
- V5/10 — configurabile anche per micro lotti, grazie alla flessibilità su formati e pesi.
Se stai valutando se automatizzare, parti da qui: soluzioni per basse produzioni.
