This standard specifies the model and main parameters, requirements, test methods, inspection rules, marking, packaging, transportation and storage of double-layer cylindrical primary cleaning sieves (hereinafter referred to as primary cleaning sieves) for grain primary cleaning. This standard applies to double-cylinder and double-cone primary cleaning screens. Cleaning screens that combine cylinders and vibrating screen plates can be used as a reference.
NY/T 2844-2015 Referenced Document
GB 10396 Tractors, machinery for agriculture and forestry, powered lawn and garden equipment.Safety signs and hazard pictorials.General principles
GB/T 11253 Cold-rolled sheet and strip of carbon structural steels*， 2019-10-18 Update
GB/T 1184 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 12620 Round and elongated apertures with round and square plate screens
GB/T 13384 General specifications for packing of mechanical and electrical product
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 23821 Safety distance of machinery safety to prevent the upper and lower limbs from touching the danger zone*， 2022-11-08 Update
GB/T 26893-2011 Grain and oil machinery.Cylindric precleaner
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GB/T 9969 General principles for preparation of instructions for use of industrial products
GBZ/T 192.1 Determination of dust in the air of workplace.Part l：Total dust concentration
JB/T 5673 Agriculture and forestry tractors and machinery.General requirements of painting*， 2015-10-10 Update
JB/T 9832.2 Tractors and machinery for agriculture and forestry.Paints adherence performance.Cross-cut test