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GB/T 5669-2017 English PDF

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GB/T 5669-2017: Rotary tiller -- Rotary blades and blade holders
Status: Valid

GB/T 5669: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 5669-2017English299 Add to Cart 3 days [Need to translate] Rotary tiller -- Rotary blades and blade holders Valid GB/T 5669-2017
GB/T 5669-2008English559 Add to Cart 3 days [Need to translate] Rotary tiller -- Rotary blades and blade holders Obsolete GB/T 5669-2008
GB/T 5669-1995English399 Add to Cart 3 days [Need to translate] Rotary tiller--Rotary blades and blade holders Obsolete GB/T 5669-1995
GB 5669-1985English239 Add to Cart 2 days [Need to translate] Rotary tiller--Bent blades and holders Obsolete GB 5669-1985

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Basic data

Standard ID GB/T 5669-2017 (GB/T5669-2017)
Description (Translated English) Rotary tiller -- Rotary blades and blade holders
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard B91
Classification of International Standard 65.060.20
Word Count Estimation 15,120
Date of Issue 2017-11-01
Date of Implementation 2018-05-01
Older Standard (superseded by this standard) GB/T 5669-2008
Regulation (derived from) National Standard Announcement 2017 No. 29
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

GB/T 5669-2017: Rotary tiller -- Rotary blades and blade holders

---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.
Rotary tiller-Rotary blades and blade holders ICS 65.060.20 B91 National Standards of People's Republic of China Replacing GB/T 5669-2008 Rotary rotary knife and knife holder Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 5669-2008 "Rotary Tilting Machine Knives and Block Holders." This standard compared with GB/T 5669-2008, in addition to editorial changes outside the main technical changes are as follows. --- Modify the scope (see Chapter 1,.2008 edition Chapter 1); --- Added terms and definitions (see Chapter 4); --- Remove stubble rotary cutter knife (see 5.1.4,.2008 version 4.1.3); --- Removed single-pole power consumption test items (see Chapter 9 in.2008 version of Table 9); --- Increased the knife block unqualified project classification and inspection rules (see Table 9 and Table 11); --- Unqualified project classification has been adjusted (see Table 8). This standard is proposed by the China Machinery Industry Federation. This standard by the National Agricultural Machinery Standardization Technical Committee (SAC/TC201). This standard was drafted by the Ministry of Agriculture, Nanjing Institute of Agricultural Mechanization, Machinery Industry Tillage Machinery Products Quality Inspection Center, Shandong Monstar Machinery Co., Ltd., Qingdao Zhenghe Industrial Co., Ltd. The main drafters of this standard. Yao Keheng, Yuan Dong, Zhu Jiping, Peng Zhuomin, Ding Yan, Xia Min, Chen Wei, Feng Jian, Lu Xuefu, Mou Jiahai. This standard replaces the standards previously issued as. --- GB/T 5669-1985, GB/T 5669-1995, GB/T 5669-2008. Rotary rotary knife and knife holder

1 Scope

This standard specifies the terms and definitions, type and size, technical requirements, test methods, inspection rules Then, instructions for use, labeling, packaging, shipping and storage. This standard applies to rotary knives and knives used knife.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. Determination of depth of decarburization GB/T 224 steel 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 ruler) Spring steel Low alloy high strength structural steel GB/T 2828.1-2012 Sampling procedures for inspection - Part 1 - Batch-by-lot inspection by acceptance quality limit (AQL) plan

3 symbol and name

Table 1 shows the symbols and names of knives and knives. Table 1 symbols and names No. Symbol Name

1 A Shank width

2 B handle thickness

3 D aperture

4 E Center of rotation to the center of the shank hole

5 F Hole center (center line of two holes) Distance to the top of the shank

6 R Rotation radius of the knife roll

7 R0 Cutting edge starting radius

8 Rn Radius of any point on the cutting edge

9 θmax side cutting edge angle 10 Rl End cutting edge radius 11 b working width 12 h Tangential face end knife height

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Question 5: Should I purchase the latest version GB/T 5669-2017?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 5669-2017 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.