GB/T 24675.5-2021 English PDF

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GB/T 24675.5-2021: Conservation tillage equipment - Part 5: Smashed root stubble machine
Status: Valid

GB/T 24675.5: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24675.5-2021	289	Add to Cart	3 days	Conservation tillage equipment - Part 5: Smashed root stubble machine	Valid
GB/T 24675.5-2009	479	Add to Cart	3 days	Conservation tillage equipment -- Smashed root stubble machine	Obsolete

Similar standards

GB/T 24674   GB/T 33006   GB/T 25409   GB/T 24675.2   GB/T 24675.1   GB/T 24675.6   

Basic data

Standard ID: GB/T 24675.5-2021 (GB/T24675.5-2021)
Description (Translated English): Conservation tillage equipment - Part 5: Smashed root stubble machine
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B91
Word Count Estimation: 14,116
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 24675.5-2021: Conservation tillage equipment - Part 5: Smashed root stubble machine

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Conservation tillage equipment -- Part 5: Smashed root stubble machine ICS 65:060:20 CCSB91 National Standards of People's Republic of China Replacing GB/T 24675:5-2009 Conservation tillage machinery Part 5: Stubble crushing and returning machine Published on 2021-12-31 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document is part 5 of GB/T 24675 "Conservation tillage machinery": GB/T 24675 has published the following parts: --- Part 1: Shallow loosening machine; --- Part 2: Subsoilers; --- Part 3: Spring tines; --- Part 4: Disc harrows; --- Part 5: Stubble crushing and returning machine; --- Part 6: Straw crushing and returning machines: This document replaces GB/T 24675:5-2009 "Conservation tillage machinery stubble crushing and returning machine": and GB/T 24675:5-2009 In contrast, except for structural adjustments and editorial changes, the main technical changes are as follows: a) terms and definitions are added (see Chapter 3); b) Changed the requirements for type preparation (see Chapter 4, Chapter 3 of the:2009 edition); c) Changed the technical index of stubble depth stability (see Table 1, 4:1 of the:2009 edition); d) Changed the reliability index (see Table 2, 4:2 of the:2009 edition); e) The general technical requirements are deleted (see 5:1 of the:2009 edition); f) Added the application of new materials and new processes (see 6:1:9); g) The requirements for grading of chopper blades by mass and size are added (see 6:1:10); h) Added the requirements for dynamic balance of the cutter shaft (see 6:2:2); i) Added the technical requirements for the foldable stubble crusher (see 6:3:3 and 7:5); j) Added the test method for shredding blade hardness (see 8:5); k) Added appearance and paint film adhesion testing methods (see 8:4:4 and 8:4:5); l) Changed and refined the safety technical requirements (see 7:2, Chapter 6 of the:2009 edition); m) Changed the reliability inspection time (see 8:3:1, 7:3 of the:2009 edition); n) Changed the reliability calculation method (see 8:3:2, 7:3 of the:2009 edition); o) The test method for power consumption of the supporting tractor has been added (see 8:6:5); p) Changed the classification of unqualified items (see Table 4, Table 4 of the:2009 edition); q) Changed the qualification determination method (see Table 5, Table 5 of the:2009 edition): Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201): This document is drafted by: Anhui Huaifeng Modern Agricultural Equipment Co:, Ltd:, Zoomlion Zhejiang Co:, Ltd:, Henan Agricultural Machinery Test Co:, Ltd: Inspection and Identification Station, China Academy of Agricultural Mechanization Sciences: The main drafters of this document: Wu Weihua, Xiao Keling, Wu Yan, Yang Zhaowen, Lian Ting, Wu Jingchang, Wang Wei: The previous versions of the documents replaced by this document are as follows: ---First published in:2009 as GB/T 24675:5-2009; ---This is the first revision:

Introduction

The core content of conservation tillage is to implement no-till or less tillage, to reduce the intensity and frequency of soil tillage as much as possible, and to use crop straw: Cover the surface with stubble to protect the surface, and support the corresponding agronomic cultivation techniques to protect the output capacity of the natural function of the soil: for reforming traditional industrial production methods, improve drought resistance, increase farmers' income, improve the ecological environment, promote sustainable agricultural development, and protect cultivated land resources: Important strategic significance and far-reaching historical significance: It has been widely popularized in my country, and the realization of conservation tillage is inseparable from agronomic farming: The technical support of industrial equipment requires the cooperation of agricultural equipment with different operating conditions and performance: Therefore, the protection is composed of different types of operations: Sexual farming standard system: GB/T 24675 "Conservation tillage machinery" consists of the following parts: --- Part 1: Shallow loosening machine; --- Part 2: Subsoilers; --- Part 3: Spring tines; --- Part 4: Disc harrows; --- Part 5: Stubble crushing and returning machine; --- Part 6: Straw crushing and returning machines: This document is part 5 of GB/T 24675, which is aimed at the special characteristics of the conservation tillage that leave a large amount of stubble on the land after harvest and affect no-tillage sowing: The technical requirements and test evaluation methods of the stubble crushing and returning machine for conservation tillage are completely given, which is helpful for the manufacture and application of the stubble crushing and returning machine for conservation tillage: Product upgrades provide a standard basis: Conservation tillage machinery Part 5: Stubble crushing and returning machine

1 Scope

This document specifies the model preparation, evaluation indicators, technical requirements, safety requirements, test methods of protective tillage machinery stubble crushing and returning machines: laws, inspection rules and marking, packaging, transportation and storage: This document is applicable to the stubble crushing and returning machine (hereinafter referred to as the stubble crushing and returning machine) matched with the tractor:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document: GB/T 275 Rolling Bearing Matching GB/T 699 High Quality Carbon Structural Steel GB/T 2828:1 Counting Sampling Inspection Procedure Part 1: Lot-by-Lot Inspection Sampling Plan Retrieved by Acceptance Quality Limit (AQL) GB/T 3077-2015 Alloy Structural Steel GB/T 3098:1-2010 Mechanical properties of fasteners Bolts, screws and studs GB/T 3098:2-2015 Fasteners Mechanical Properties Nuts GB/T 3478:1 Cylindrical spur involute splines (metric module flank fit) Part 1: General GB/T 5263 Agricultural and forestry tractors and mechanical power take-off universal joint drive shaft protective cover strength and wear test and acceptance specification GB/T 5667 Agricultural Machinery Production Test Method GB/T 9480 Agricultural and Forestry Tractors and Machinery, Lawn and Gardening Power Machinery Operating Instructions Compilation Rules GB 10395:1 Agricultural and Forestry Machinery Safety Part 1: General GB 10395:5-2013 Agricultural and Forestry Machinery Safety Part 5: Driven Farming Machinery GB 10396 Agricultural and Forestry Tractors and Machinery, Lawn and Garden Power Machinery Safety Signs and Hazard Graphics General GB/T 13306 Signs GB/T 17126:1 Agricultural tractors and mechanical power take-off universal joint drive shafts and power input connecting devices - Part 1: General manufacturing and safety requirements JB/T 5673 General technical conditions for painting of agricultural and forestry tractors and implements JB/T 8574 Agricultural Machinery Product Model Compilation Rules JB/T 9832:2 Determination method of paint film adhesion performance of agricultural and forestry tractors and implements Press cutting method JB/T 10205 Hydraulic cylinder

3 Terms and Definitions

The following terms and definitions apply to this document: ......

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