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GB/T 25420-2021: Actuates the raker
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 25420-2021	English	209	Add to Cart	3 days [Need to translate]	Actuates the raker
GB/T 25420-2010	English	359	Add to Cart	3 days [Need to translate]	Actuates the rake

GB/T 25420-2021: Actuates the raker

---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.
Actuates the raker ICS 65:060:20 CCSB91 National Standards of People's Republic of China Replacing GB/T 25420-2010 drive harrow 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 replaces GB/T 25420-2010 "Drive Rake": Compared with GB/T 25420-2010 "Drive Rake", this document except for structural adjustment The main technical changes other than the rectification and editorial changes are as follows: a) terms and definitions are added (see Chapter 3); b) Modified the product model description and examples (see Chapter 4, Chapter 3 of the:2010 edition); c) Revised the requirements for bearing temperature rise in the original text [see 5:5:2c), 4:3:2c) of the:2010 edition]; d) The sealing requirements for folding drive harrows are added (see 5:3:2); e) The assembly requirements for folding drive harrows are added (see 5:5:3); f) Modified the safety protection requirements (see 5:8:3, 4:6:2 of the:2010 edition); g) Added safety information requirements (see 5:8:4); h) The assembly requirements of the folding drive harrow are added [see 6:3d)]: 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: Xinjiang Uygur Autonomous Region Agriculture and Animal Husbandry Machinery Product Quality Supervision and Administration Station, Xinjiang Xinyan Mushen Technology Co:, Ltd: Division, Henan Provincial Agricultural Machinery Test and Identification Station, China Academy of Agricultural Mechanization Sciences: The main drafters of this document: Liu Chaoyu, Jiang Zhichao, Zhai Xiuping, Gao Yan, Wu Yan, Lei Zhenhua, Yang Zhaowen: The previous versions of this document and its superseded documents are as follows: ---First published in:2010 as GB/T 25420-2010; ---This is the first revision: drive harrow

1 Scope

This document specifies the product model, requirements, test methods, inspection rules, marking, packaging, transportation and storage of drive harrows: This document is only applicable to the drive harrow matched with the tractor, other types of drive harrow can be implemented by reference:

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 1593 Agricultural wheeled tractor rear mounted three-point hitch 0, 1N, 1, 2N, 2, 3N, 3, 4N and 4 categories GB/T 2828:1 Counting Sampling Inspection Procedure Part 1: Lot-by-Lot Inspection Sampling Plan Retrieved by Acceptance Quality Limit (AQL) GB/T 3098:1 Mechanical properties of fasteners Bolts, screws and studs GB/T 3098:2 Fasteners Mechanical Properties Nuts 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 10395:5 Agricultural and Forestry Machinery Safety Part 5: Driven Tillage 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 20343 Agricultural tractors and mechanical three-point hitch implements - the range of clearance around the implement JB/T 6279 Disc harrow 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: 3:1 transportclearance The vertical distance from the lowest point of the implement to the ground in the state of road transportation: 3:2 drive harrow actuatestheraker A machine that uses the power of the tractor to drive the rake to carry out the soil preparation work in the dry field:

4 product models

4:1 The preparation of the product model should comply with the provisions of JB/T 8574, and it consists of three parts: classification code, feature code and main parameters: ...