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BALANCING

Quality levels according to ISO 1940 and permitted residual imbalance/speed

Permitted related residual imbalance e per (Âľm) or gmm/kg (mass-eccentricity)

G 40

G 16

G 6.3

G 2.5

G1

G 0.4

Maximal operational speed n (1/min)

Example: Operational Speed Quality level G Perm. Residual imbalance

=3,000 rpm =6.3 =20 Âľm or gmm/kg

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