This standard specifies the terms and definitions, types and models, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage requirements of rotary lawn mowers. This standard applies to rotary lawnmowers mainly used for harvesting pastures, and the blades make horizontal circular motions.
GB/T 5667 Productive testing methods for agricultural machinery
GB/T 9239.1-2006 Mechanical vibration. Balance quality requirements for rotors in a constant(rigid) state. Part 1: Specification and verification of balance tolerances