GB/T 20790-2024 English PDFUS$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 20790-2024: Head-feed combine harvester - Technical requirements Status: Valid GB/T 20790: Historical versions
Basic dataStandard ID: GB/T 20790-2024 (GB/T20790-2024)Description (Translated English): Head-feed combine harvester - Technical requirements Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B91 Classification of International Standard: 65.060.50 Word Count Estimation: 14,119 Date of Issue: 2024-04-25 Date of Implementation: 2024-11-01 Older Standard (superseded by this standard): GB/T 20790-2006 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 20790-2024: Head-feed combine harvester - Technical requirements---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.ICS 65:060:50 CCSB91 National Standards of People's Republic of China Replace GB/T 20790-2006 Technical requirements for semi-feed combine harvesters Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued ForewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for standardization work Part 1: Structure and drafting rules for standardization documents" Drafting: This document replaces GB/T 20790-2006 "Technical Specifications for Semi-feed Combine Harvesters": Compared with GB/T 20790-2006, In addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Added “Product Model” (see Chapter 4); b) The noise requirements for combine harvesters have been changed (see 5:7, 3:6 of the:2006 edition), and the requirements for cab safety glass have been added (see 5:8); c) The indicators of productivity, total loss rate and impurity rate of operating performance have been changed (see Table 1, Table 1 of the:2006 edition); d) The indicators of support performance, minimum ground clearance and reliability have been changed (see 6:5, 6:3, 6:2, 4:2, 4:3, 4:4 of the:2006 edition), and Added whole machine emission requirements (see 6:4); e) Added the requirements for the automatic unloading time of the unloading screw and the diesel engine emission requirements (see 7:1:5 and 7:2:4:2), and changed the coating thickness requirements: Requirements, diesel engine starting temperature requirements, hydraulic oil solid contamination limit (see 7:1:8, 7:2:4:3, 7:2:5:4, 5:2:9,:2006 edition 5:3:4:2, 5:3:5:4), added the license plate holder requirements (see 7:2:7); f) The determination method of average ground pressure has been changed (see 8:3:1, 6:3:1 of the:2006 edition); g) Added the inspection item classification table (see Table 2); h) Added sampling and judgment scheme (see Table 3); i) The labeling, packaging, transportation and storage have been changed (see Chapter 10, Chapter 8 of the:2006 edition): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Machinery Industry Federation: This document is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201): This document was drafted by: China Agricultural Mechanization Research Institute Group Co:, Ltd:, Yanmar Agricultural Machinery (China) Co:, Ltd:, Kubota Agricultural Machinery Industrial Machinery (Suzhou) Co:, Ltd:, Xingguang Agricultural Machinery Co:, Ltd:, Shandong Shuangli Modern Agricultural Equipment Co:, Ltd:, Jiufang Taihe International Heavy Industry (Qingdao) Co:, Ltd:, Xuchang Vocational and Technical College, and National Agricultural Machinery Quality Inspection and Testing Center: The main drafters of this document are: Han Zengde, Chen Junbao, Zhang Zhongjie, Chen Jue, Gu Wei, Gong Zengmin, Ren Jianhua, Yao Ruiyang, Hou Chong, and Yang Yating: This document was first published in:2006 and this is the first revision: Technical requirements for semi-feed combine harvesters1 ScopeThis document specifies product models, safety requirements, main performance indicators, technical requirements, inspection rules, as well as marking, packaging, transportation and storage: The corresponding test methods are described: This document applies to semi-feed combine harvesters that harvest rice or mainly harvest rice and also harvest wheat crops (hereinafter referred to as "combine harvesters" cutting machine”):2 Normative referencesThe contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document: GB/T 1209 (all parts) Agricultural machinery cutters GB/T 6979:1 Harvesting machinery Combine harvesters and functional components Part 1: Vocabulary GB/T 8097 Test methods for harvesting machinery - Combine harvesters GB/T 9480 Rules for writing instructions for agricultural and forestry tractors and machinery, lawn and gardening power machinery GB 9656 Technical Specification for Safety of Motor Vehicle Glass GB/T 10395:1 Safety of agricultural and forestry machinery Part 1: General principles GB 10396 General rules for safety signs and hazard symbols for agricultural and forestry tractors and machinery, lawn and gardening power machinery GB/T 13306 Labels GB/T 14039-2002 Code for solid particle contamination level of hydraulic transmission oil GB/T 14248 Method for determination of braking performance of harvesting machinery GB 20891 Emission limits and measurement methods for exhaust pollutants from diesel engines for non-road mobile machinery (China Phase III and IV) GB/T 30965 Earth-moving machinery - Determination of the average ground pressure of tracked machines HJ1014 Technical requirements for pollutant emission control of non-road diesel mobile machinery JB/T 5243 Method for determination of cleanliness of transmission box of harvesting machinery JB/T 6268 Self-propelled harvesting machinery noise determination method JB/T 6287 Test method for reliability assessment of grain combine harvesters JB/T 7316 Test methods for hydraulic systems of grain combine harvesters JB/T 8574 Rules for the compilation of agricultural machinery product models NY/T 2188 Technical requirements for the installation of license plate holders for combine harvesters3 Terms and definitionsThe terms and definitions defined in GB/T 6979:1 and the following apply to this document: 3:1 Alongcut The combine harvester is engaged in harvesting operations in which the direction of movement of the harvester is consistent with the direction of crop lodging: ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 20790-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 20790-2024_English as soon as possible, and keep you informed of the progress. 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Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.Question 5: Should I purchase the latest version GB/T 20790-2024?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20790-2024 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
