The goal of the balancing operation is to optimise the mass distribution of a rotating element so that it can rotate inside its supports without creating centrifugal forces bigger than the admissible limit value.
The balancing machine is a CERB Z750 model (see its specifications downloading the PDF file attached below).
Thanks to this machine it is possible to effectuate static and dynamic balancing work. Once this operation is finished it is possible to produce a balancing certificate in which the following results are stated:

• Balancing type;
• Unbalance exploded vectors' views;
• The initial unbalance both right and left side with weight and angle values;
• The residual unbalance both right and left side with weight and angle values;
• Average speed.

The power transmission required for the rotation of the element that must be equilibrated is obtained with several drugging systems: double cardan joints, embracing and tangential belts, rollers, compressed air devices, electromagnetic field.

The cardan joint is preferred for rotating parts with high inertia or ventilation effect. If the same cardan joint is used for the biggest and the smallest rotating elements, the work precision for the smaller ones will be mediocre or insufficient. This risk is avoided because the cardan dimensions are sized with considering the transmitted starting engine couple.

The belt transmission can achieve better precision measures if compared to the cardan joint and has the greater advantage to rend easier the fitting operation of the element that has to be equilibrated. For this reason this procedure is preferred for serial works.

Both drugging systems can be coupled letting both the machine efficiency and its works' typology range increase significantly.

Equilibratrice - specifiche tecniche