GB/T 5669-2017Rotary tiller - Rotary blades and blade holders (English PDF)
旋耕机械 刀和刀座
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 1, 2017
Implementation date
May 1, 2018
Scope
GB/T 5669-2017 is the English-translated version of 旋耕机械 刀和刀座.
GB/T 5669-2017 is the Chinese standard "Rotary tiller - Rotary blades and blade holders". Its scope clause reads: 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.
Its clauses include symbol and name; a shank width; b handle thickness; d aperture; e center of rotation to the center of the shank hole; r rotation radius of the knife roll; r0 cutting edge starting radius; rn radius of any point on the cutting edge; rl end cutting edge radius; b working width.
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Document preview — GB/T 5669-2017
National Standard of the People's Republic of China
- ICS
- 65.060.20
- Classification
- B 91
- Replacing
- GB/T 5669-2008
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 symbol and name
- 1 A Shank width
- 2 B handle thickness
- 3 D aperture
- 4 E Center of rotation to the center of the shank hole
- 6 R Rotation radius of the knife roll
- 7 R0 Cutting edge starting radius
- 8 Rn Radius of any point on the cutting edge
- 10 Rl End cutting edge radius
- 11 b working width
- 12 h Tangential face end knife height
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 thetamax side cutting edge angle
10 Rl End cutting edge radius
11 b working width
12 h Tangential face end knife height
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
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Editions of GB/T 5669
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5669-2017 | Rotary tiller - Rotary blades and blade holders | current edition | Current |
| GB/T 5669-2008 | Rotary tiller - Rotary blades and blade holders | previous edition | Superseded |
This page sells the current edition, GB/T 5669-2017. Earlier editions are listed for reference only.
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