1 Scope
This standard specifies the terms and definitions, types and models, basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage with regards to rotary mowers.
This standard is applicable to rotary mowers with blades moving horizontally and circularly, which mainly harvest hay.
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 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 (ISO 1940-1: 2003, IDT)
GB/T 13306 Plates
GB/T 19841 Blades for rotary mowers—Requirements (GB/T 19841-2005, ISO 5718:2002, MOD)
JB/T 5673 Agriculture and forestry tractors and machinery—General requirements of painting
JB 8520 Rotary mower—Safety requirements
JB/T 8581 Size of the products and rules of drafting for the livestock machinery
JB/T 9700 Rules of test methods for machines of hay harvesting
3 Terms and definitions
For the purpose of this standard, the following terms and definitions apply.
3.1 Terms of mower
3.1.1
rotary mower
a lawn mower in which blades rotate around a vertical shaft to complete cutting and laying of hay.
3.1.2
drum rotary mower
a rotary mower equipped with a drum cutter means driven by upper part.
3.1.3
disc rotary mower
Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Type and model
5 Basic parameters
6 Technical requirements
7 Test methods
8 Production test
9 Test report
10 Inspection rules
11 Marking, packaging, transportation and storage
Annex A (Informative) Main instruments, meters and tools required for the test
