This standard specifies the general technical requirements of the reduction cylindrical gear units.
This standard is not only applicable to the low-speed single-stage, two-stage or three-stage reduction cylindrical gear units with centre-to-centre distance a≤1000mm (hereinafter referred to as "reductor"), but also is applicable to the low-speed single-stage, two-stage or three-stage planetary reducer with the radius of the rotating stand R≤300mm (hereinafter referred to as "reductor").
JB/T 9050.1-1999 The following standards are cited：
