This standard specifies the basic parameters, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage of permanent magnet synchronous motors for recording instruments. This standard applies to permanent magnet synchronous motors with a frequency of 50Hz or 60Hz.
JB/T 7805-1995 history
2007JB/T 7805-2007 Permanent magnet synchronous motors for recorders
1995JB/T 7805-1995 Permanent magnet synchronous motor for recording instrument