GB/T 10068-2020: Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity

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Scope

This Standard specifies the factory acceptance vibration test procedures and vibration
limits for certain electrical machines under specified conditions, when uncoupled from
any load or prime mover.
This Standard is applicable to DC and three-phase AC machines, with shaft heights 56
mm and higher and a rated output up to 50 MW, at operational speeds from 120 r/min–
~15000 r/min.
This Standard is not applicable to machines mounted in situ (on site), three-phase
commutator motors, single-phase machines, three-phase machines operated on
single-phase systems, vertical waterpower generators, turbine generators greater than
20 MW and machines with magnetic bearings or series-wound machines.
NOTE: For machines measured in situ, refer to current editions of ISO 20816, ISO 10816 and
ISO 7919.

Basic Data

Standard ID	GB/T 10068-2020 (GB/T10068-2020)
Description (Translated English)	Mechanical vibration of certain machines with shaft heights 56 mm and higher - Measurement, evaluation and limits of vibration severity
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	K20
Classification of International Standard	29.160.01
Word Count Estimation	15,159
Date of Issue	2020-03-31
Date of Implementation	2020-10-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration