GB/T 5847-2004Dimensional chain--Methods of calculation (English PDF)
尺寸链 计算方法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
November 11, 2004
Implementation date
July 1, 2005
Scope
GB/T 5847-2004 is the English-translated version of 尺寸链 计算方法.
GB/T 5847-2004 is the Chinese standard "Dimensional chain--Methods of calculation". Its scope clause reads: This standard specifies the types, calculation parameters and calculation formulas of dimensional chains.
This standard is applicable to the calculation of length dimensions, angle dimensions and tolerances of dimensional chain relationships in mechanical products. Its clauses include terms and definitions.
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Document preview — GB/T 5847-2004
National Standard of the People's Republic of China
- ICS
- 17.040.10
- Classification
- J 04
- Replacing
- GB/T 5847-1986
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Type of dimensional chain
- 5 Calculation parameters
- 6 Symbols
- 7 Calculation formula
- Annex A (Informative) Method for meeting the tolerance requirements of closing link of assembly dimensional chain
- Annex B (Informative) Calculation sequence of assembly dimensional chain
- Annex C (Informative) Values of coefficients e and k
1 Scope
This standard specifies the types, calculation parameters and calculation formulas of dimensional chains.
This standard is applicable to the calculation of length dimensions, angle dimensions and tolerances of dimensional chain relationships in mechanical products.
2 Normative references
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply to this standard. However parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the referenced document applies.
GB/T 1800.1-1997 Limits and Fits - Bases - Part 1: Terminology (eqv ISO 286-1:1988)
3 Terms and definitions
For the purposes of this standard, the terms and definitions given in GB/T 1800.1 and the following apply.
3.1 dimensional chain
a closed group of dimensions is formed from interconnected dimensions during machine assembling or part processing, as shown in Figure 1, a), b) and Figure 2, b), c).
Figure 1
3.2 link
each dimension listed in the dimensional chain (A0, A1, A2, A3, A4 and A5 in Figure 1, and alpha0, alpha1 and alpha2 in Figure 2)
3.3 closing link
the final link in the dimensional chain formed during assembling or processing (A0 in Figure 1, alpha0 in Figure 2).
3.4 component link
all links in the dimensional chain that have an effect on the closing link. A change in any one of these links necessarily causes a change in the closing link (A1, A2, A3, A4 and A5 in Figure 1, and alpha1 and alpha2 in Figure 2) […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Similar standards
Editions of GB/T 5847
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 5847-2004 | Dimensional chain--Methods of calculation | current edition | Current |
| GB/T 5847-1986 | Dimensional chain--Methods of calculation | previous edition | Superseded |
This page sells the current edition, GB/T 5847-2004. Earlier editions are listed for reference only.
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