GB 10068-2008: [GB/T 10068-2008] 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.
It is applicable to d.c. and three-phase a.c. machines, with shaft heights 56 mm and
higher and a rated output up to 50 MW, at operational speeds from 120 r/min up to and
including 15,000 r/min.
This standard is not applicable to machines mounted in situ, 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 applicable parts of ISO 10816 and ISO
7919.

Basic Data

Standard ID	GB 10068-2008 (GB10068-2008)
Description (Translated English)	[GB/T 10068-2008] Mechanical vibration of certain machines with shaft heights 56 mm and higher-measurement, evaluation and limits of vibration severity
Sector / Industry	National Standard
Classification of Chinese Standard	K20
Classification of International Standard	29.160.01
Word Count Estimation	13,142
Date of Issue	2008-06-19
Date of Implementation	2009-06-01
Older Standard (superseded by this standard)	GB 10068-2000
Quoted Standard	GB 755-2008; GB/T 997; ISO 2954; ISO 7919-1; ISO 8821; ISO 10816-1; ISO 10816-3; ISO 10817-1
Adopted Standard	IEC 60034-14-2007, IDT
Regulation (derived from)	Announcement of Newly Approved National Standards No. 11 of 2008 (No. 124 overall)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This Chinese standard specifies separated from the prime mover and any load under specified conditions rotary motor factory acceptance testing methods vibration and vibration limits. This standard applies to the shaft center height is 56mm and above rated output of 50MW and below, rated speed 120r/min to 15000r/min DC motors and three-phase AC motor. This standard does not apply to installation sites running motor, three phase commutator motor, single -phase motors, single -phase power supply three-phase motors, vertical turbine, the turbine capacity greater than 20MW and with magnetic bearings motor or series motors. Note: In place of measured motor running ISO 10816 and ISO 7919 with reference to the current file.