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GB/T 24659.3-2009 English PDF

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GB/T 24659.3-2009: Agricultural crawler tractors -- Support roller -- Requirement
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Basic data

Standard ID GB/T 24659.3-2009 (GB/T24659.3-2009)
Description (Translated English) Agricultural crawler tractors -- Support roller -- Requirement
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard T64
Classification of International Standard 65.060.10
Word Count Estimation 7,793
Date of Issue 2009-11-15
Date of Implementation 2010-05-01
Regulation (derived from) National Standard Approval Announcement 2009 No.13 (Total No.153)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the technical requirements for agricultural rollers of crawler tractors, test methods, inspection rules, signs, packaging, transport and storage. This section applies to agricultural crawler tractors rollers (hereinafter referred to as rollers).

GB/T 24659.3-2009: Agricultural crawler tractors -- Support roller -- Requirement

---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.
Agricultural crawler tractors. Support roller. Requirement ICS 65.060.10 T64 National Standards of People's Republic of China Tracked tractors rollers technical conditions Posted 2009-11-15 2010-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This part is proposed by China Machinery Industry Federation. This part of the National Standardization Technical Committee tractor (SAC/TC140) centralized. This section drafted by. China First Tractor Group Co., Ltd., Luoyang Tractor Research Institute. The main drafters of this section. teacher loud and clear, Yang Dongshan, high Fumin, Luo Hua, Zhang Minghao, Chen Song. Tracked tractors rollers technical conditions

1 Scope

This section GB/T 24659 specifies the technical requirements for agricultural crawler tractors rollers, test methods, inspection rules, marks, packages Loading, transport and storage. This section applies to agricultural crawler tractors rollers (hereinafter referred to as rollers).

2 Normative references

The following documents contain provisions which, through reference GB/T 24659 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 222 chemical composition of finished steel tolerance GB/T 223 (all parts), steel and alloy chemical analysis method GB/T 228 metal materials at room temperature tensile test method (GB/T 228-2002, eqvISO 6892.1998) GB/T 230.1 metallic materials - Rockwell hardness test - Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T standard Feet) (GB/T 230.1-2009, ISO 6508-1.2005, MOD) GB/T 231.1 metallic materials Brinell hardness test - Part 1. Test method (GB/T 231.1-2009, ISO 6506-1. 2005, MOD) GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan (GB/T 2828.1-2003, ISO 2859-1.1999, IDT) GB/T 3871.12 Agricultural tractors - Test procedures - Part 12. Test GB/T 5617 steel induction hardening or flame hardening after the effective hardened layer depth measurement (GB/T 5617-2005, ISO 3754. 1976, NEQ) GB/T 6414-1999 casting dimensional tolerances and machining allowances (eqvISO 8062.1994) GB/T 11351-1989 casting weight tolerance JB/T 5673-1991 agricultural and forestry tractors and machinery paint general technical conditions

3 Technical requirements

3.1 wheels shall comply with the provisions of this section and procedures approved by the drawings and technical documents of products manufactured in accordance with prescribed. 3.2 material recommended ZG45Mn steel table or in compliance with the chemical composition and mechanical properties of a set of carbon steel casting, ensuring the strength and use Under the conditions of life, to allow the use of other brands of material. Table 1 Chemical composition of a /% Mechanical properties C Mn Si S P Tensile strength Rm/MPa Elongation A /% 0.40 ~ 0.50 0.70 ~ 1.10 0.30 ~ 0.60 ≤0.06 ≤0.06 ≥570 ≥12 A residual content of chemical elements shall be as follows (%, ≤). Ni0.30, Cr0.35, Cu0.30, Mo0.10, V0.05, and the total does not exceed 1.00%. Deviation of the chemical composition of the finished product shall comply with GB/T 222's.

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