GB/T 3371-2013Optical dividing head (English PDF)
光学分度头
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 17, 2013
Implementation date
July 15, 2014
Scope
GB/T 3371-2013 is the English-translated version of 光学分度头.
GB/T 3371-2013 is the Chinese standard "Optical dividing head". Its scope clause reads: This standard specifies the terms and definitions, grade and basic parameters of the optical dividing head, requirements, test methods, inspection rules, marking, packaging, Transport storage.
This standard applies to the measurement of the angle of the optical and digital display reading optical dividing head (hereinafter referred to as dividing head). Its clauses include terms and definitions; grade and basic parameters.
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Document preview — GB/T 3371-2013
National Standard of the People's Republic of China
- ICS
- 37.020
- Classification
- N 34
- Replacing
- GB/T 3371-1995
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 grade and basic parameters
1 Scope
This standard specifies the terms and definitions, grade and basic parameters of the optical dividing head, requirements, test methods, inspection rules, marking, packaging,
Transport storage.
This standard applies to the measurement of the angle of the optical and digital display reading optical dividing head (hereinafter referred to as dividing head).
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan
GB/T 2829 periodic inspection Sampling procedures and tables (suitable for process stability test)
GB/T 11162 of optical components General technical conditions
GB/T 11336 straightness error detection
GB/T 11337 flatness error detection
GB/T 13384 mechanical and electrical products packaging General technical conditions
GB/T 22525 positive multi-faceted prism
GB/T 25480 Instrumentation transportation, storage and basic environmental conditions and test methods
JB/T 8232 Autocollimator
JJG283-1997 being given polygon edge medical procedures
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Use the dial and an optical imaging system (microscopic or projection system) to read dividing indication optical dividing head.
3.2
The table below shows the use of digital optical dividing head dividing the value shown.
3.3 Sight align
So that light emitted from the collimator marks like, after the plane mirror, and another mark from the collimator lens focal plane coincident operations.
4 grade and basic parameters
4.1
head according to accuracy is divided into. 1 "level 2", 4 "class, 10" class, 20 "class, a total of five levels.
The basic parameters of 4.2 head should meet the requirements in Table 1.
......
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 3371
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 3371-2013 | Optical dividing head | current edition | Current |
| GB/T 3371-1995 | Optical dividing head | previous edition | Superseded |
This page sells the current edition, GB/T 3371-2013. Earlier editions are listed for reference only.
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