GB/T 24659.1-2009 English PDF

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GB/T 24659.1-2009: Agricultural crawler tractors -- Track idler -- Requirement
Status: Valid

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GB/T 24659.1-2009	139	Add to Cart	3 days	Agricultural crawler tractors -- Track idler -- Requirement	Valid

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Basic data

Standard ID: GB/T 24659.1-2009 (GB/T24659.1-2009)
Description (Translated English): Agricultural crawler tractors -- Track idler -- Requirement
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: T64
Classification of International Standard: 65.060.10
Word Count Estimation: 6,621
Date of Issue: 2009-11-15
Date of Implementation: 2010-05-01
Quoted Standard: GB/T 228; GB/T 231.1; GB/T 2828.1; GB/T 3871.12; GB/T 6414-1999; GB/T 11351-1989; JB/T 5673
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 crawler tractors guide wheels, test methods, inspection rules, signs, packaging, transport and storage. This section applies to the supporting role of non- agricultural crawler tractors tractor guide wheel (hereinafter referred to as the guide wheels).

GB/T 24659.1-2009: Agricultural crawler tractors -- Track idler -- 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. Track idler. Requirement ICS 65.060.10 T64 National Standards of People's Republic of China Tracked tractors guide wheel technology 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. Wang Chao, Yang Dongshan, high Fumin, Luo Hua, Zhang Minghao, Liu Lingwen. Tracked tractors guide wheel technology conditions

1 Scope

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

2 Normative references

The following documents contain provisions which, through reference GB/T 24659 in this section constitute provisions of this section. For dated references, All subsequent amendments (excluding corrections) or revisions do not apply to this section, however, encourage an agreement under this section Parties to study the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 228 metal materials at room temperature tensile test method (GB/T 228-2002, eqvISO 6892.1998) 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 6414-1999 casting dimensional tolerances and machining allowances (eqvISO 8062.1994) GB/T 11351-1989 casting weight tolerance JB/T 5673 agricultural and forestry tractors and machinery paint general technical conditions

3 Technical requirements

3.1 guide wheel 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 ZG310-570 or ZG45Mn manufacture, to ensure the strength and life conditions, allow the use of other brands s material. 3.3 heat treatment Hardness. a) ZG310-570. 156HB ~ 229HB; b) ZG45Mn. 229HB ~ 269HB. 3.4 rim working surface for mating bore axis radial runout and rim guide with end face bore axis End Circular runout is not greater than the wheel Margin of 0.5% of the nominal diameter. 3.5 pairs of guide rollers mounted integral rolling bearing seat hole, the shape and position tolerances, surface roughness shall comply with the requirements in Table 1. Table 1 Surface of the cylindrical hole of each seat beat the common axis of each housing bore surface roughness its Is not greater than the housing bore diameter tolerance of 1/2 ≤0.05mm R Rao 3.2μm 3.6 casting does not indicate the size of tolerance should not be less than GB/T 6414-1999 level of CT10. Quality tolerances shall not be less than 3.7 GB/T 11351-1989 provisions MT10 level. 3.8 machined surface should be smooth, there should be no damage, cracks and other defects. 3.9 gate, riser residual burrs and should be cleared to product drawings or technical documents specified size range, non-processing cavity surface should be thoroughly Sand. Slight defect 3.10 non-machined surface and allow repair of casting defects, the type, size, number and location of the product design requirements. ......

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