1 Scope
This standard gives specifications and acceptance criteria for the thrown-object testing of rotary and flails mowers used in agriculture.
It is not applicable to:
—— mowers with an articulated arm;
—— mowers with one or more vertical axis designed for mulching;
—— pedestrian-controlled motor mowers;
—— lawn mowers or machines designed as lawn mowers;
—— inter-row mowing units;
—— machines designed for highway and road maintenance only.
Schematic diagram of machines is shown in Annex A.
Note: If a machine is also designed for non-agricultural operation, other thrown-object tests may apply.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated reference, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the referenced document applies.
GB/T 451.2 Paper and board - Determination of grammage (GB/T 451.2-2002, eqv ISO 536:1995)
GB/T 454 Paper - Determination of bursting strength (GB/T 454-2002, idt ISO 2758:2001)
GB/T 455 Paper and board determination of tearing resistance (GB/T 455-2002, eqv ISO 1974:1990)
GB/T 3871.3 Agricultural tractors - Test procedures - Part 3: Power tests for power take-off (GB/T 3871.3-2006, ISO 789-1:1990, MOD)
3 Terms and definitions
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Thrown-object test
Annex A (Informative) Illustrations of mowers
