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For a quality wheel balancing, a perfect mechanical design is a must.
FASEP wheel balancers are built around the VQI System. VQI ("Vincoli Quasi Ideali" = nearly ideal mechanical ties), is a unique 3-sensor system, a FASEP exclusive design and with IFS system (integrated-flange shaft) for maximum centering precision.

Developed in collaboration with the University of Florence, VQI is a system for measuring vibrations designed so that mechanical ties do not influence the measuring system..

What does it mean?
It means that the VQI FASEP system is intrinsically stable: like the 3-leg table that remains standing, while the 2-leg table would fall, the system "rests" completely on the 3 sensors and this is sufficient to make it stable.

On the contrary, two-sensor systems ("two-legged"), typically used by the competition, inexorably, require at least one mechanical constraint for stability. In this case, the presence of one or more mechanical constraints alters the response of the imbalance detection system, since the centrifugal force is not completely discharged through the sensors but, at least in part, also passes through the constraint. For this reason, two-sensor systems are required to "parameterize" the system, taking into account the constraint, which may be affected by temperature variations, or may simply vary due to the replacement of mechanical parts of the system, etc. In short, for two-sensor systems, a simple self-calibration of the system is not enough, but what is called "factory calibration" is needed.

In the VQI FASEP system, the centrifugal force developed by the imbalance "discharges" entirely through the sensors and there is no external mechanical constraint. The centrifugal force, i.e. the imbalance, is therefore completely known at the time of processing by the computer and this means the certainty that in any condition and with any type of wheel, small or large, the results will always be perfect.

• NO no need of mechanical ties
• YES it is stable by itself
• YES the centrifugal force goes completely through the sensors
• YES the unbalance is completely measured
• YES with each type of wheel, also of large size or width, the results are always perfect.

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