GB/T 3371-2013 English PDF

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GB/T 3371-2013: Optical dividing head
Status: Valid

GB/T 3371: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 3371-2013	419	Add to Cart	3 days	Optical dividing head	Valid
GB/T 3371-1995	399	Add to Cart	3 days	Optical dividing head	Obsolete
GB 3371-1982	319	Add to Cart	3 days	Optical dividing head	Obsolete

Similar standards

GB/T 32387   GB 17341   

Basic data

Standard ID: GB/T 3371-2013 (GB/T3371-2013)
Description (Translated English): Optical dividing head
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N34
Classification of International Standard: 37.020
Word Count Estimation: 18,182
Older Standard (superseded by this standard): GB/T 3371-1995
Quoted Standard: GB/T 2828.1; GB/T 2829; GB/T 11162; GB/T 11336; GB/T 11337; GB/T 13384; GB/T 22525; GB/T 25480; JB/T 8232; JJG 283-1997
Regulation (derived from): National Standards Bulletin No. 25 of 2013
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 terms and definitions, grade and basic parameters of the optical dividing head, requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to the measurement of the angle

GB/T 3371-2013: Optical dividing head

---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.
Optical dividing head ICS 37.020 N34 National Standards of People's Republic of China Replacing GB/T 3371-1995 Optical dividing head Issued on. 2013-12-17 2014-07-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 3371-1995 "optical dividing head." This standard compared with GB/T 3371-1995, in addition to editorial changes outside the main technical differences are as follows. --- Updated and supplemented with the normative references; --- Increasing the terms and definitions; --- An increase of 1 "level and 2" optical dividing head grade classification; --- Added "optical reading system ruled values" and "resolution digital display system" project and Annex disposed in the basic parameters Listing; --- Basic parameter "spindle in the vertical plane of rotation range" to "pitch angle of the spindle axis adjustment range"; --- Basic parameter "thimble center height" 130 or 150 (mm), is amended as. ≥150mm; --- Will require the "original position error" was changed to "closed poor"; --- Will require the "workbench guide groove against the stop surface" title was changed to "T-slot table guide face"; --- Will require the "work surface table" and "table side" title was changed to "table tops" and "table-side guide Face ", and added" flatness table tops "and" straightness "table side guide surface requirements; --- Will be asked "when the spindle located at 90 °, the spindle axis perpendicular to the work surface of the table" to "vertical spindle machine and limit State structure is in touch with its axis perpendicular to the worktable degree "; test tool will be used" exclusively with the No. 4 Morse plug gauge Tools "to" No. 4 with Morse taper shank special tray "; --- Will require the "directional accuracy of the scale" to "indication error spindle pitch angle dial"; --- Increase the formula test data processing in 6.2.2 and 6.12.2 in the revised; --- Increased Illustration 11 in the test method; --- Cancel the test tool picture 2 provisions, which functions both in picture 1 test tool; --- Increasing the electrical safety performance of pressure, leakage current and ground resistance requirements and test methods; --- The special test tool moved to Appendix A in. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee photon science and optics (SAC/TC103) centralized. This standard was drafted. Guiyang Xintian Optoelectronics Technology Co., Ltd., Shanghai Polytechnic University, Guizhou optical measurement engineering and technology research center, Suzhou, a light Instrument Co., Ltd., Wuzhou Oka optical instrument company, Ningbo City, teaching Instrument Co., Ltd., Nanjing East to facilitate photoelectric Industrial Co., Company Ningbo Cham Beijing Optical Instrument Co., Ltd. Ningbo Sunny Instruments Co., Ltd., Ningbo Yongxin Optics Co., Ltd., Nanjing Jiangnan Yong new Optical Co., Ltd., Mike Audi Industrial Group Co., Ltd., Beijing Bo Fly Instrument Co., Ltd., Ningbo Huaguang Precision Instrument Co., Guangzhou, Guangdong significantly Optical Instrument Co., Ltd., Chongqing Optical Instrument Co., Ltd. The main drafters of this standard. Hu Qing Ping Qionghui, Mei Sheng, Cao Yidong, Zhang Jinghua, Wang Guorui, Yang Guanglie, Xiongshou Yu, Husen tiger, has Franc, Li Xi, Outlay Que River, Xu Liming, Li Mi high summer Shuo. This standard replaces the standards previously issued as follows. --- GB/T 3371-1982, GB/T 3371-1995. Optical dividing head

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. ......

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