NetterVibration NEA Series Operating Instructions Manual page 23

Start-up and operation
Unbalance The centrifugal force is adjustable with the unbalance discs (lamella) of
discs type XL in the following steps:
type XL
1: Number of unbalance discs per side
2: Default number of unbalance discs per vibrator
3: Centrifugal force in %
There are 2 possibilities to adjust the unbalances:
1.
2.
The unbalance adjustment (fine adjustment) is carried out by remov-
ing one unbalance disc on each side. All centrifugal values in % can
be adjusted as specified in the table.
The removed unbalance discs must be replaced by compensation
washers of identical thickness and identical inner diameter. These are
Netter
available from
The unbalance adjustment (coarse adjustment) is performed by turn-
ing one unbalance disc on each side by 180° on the shaft.
Twice the number of unbalance discs turned by 180° becomes inef-
fective.
Vibration.
23