GB/T 8061-2022 English PDF

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GB/T 8061-2022: Micrometer with dial comparator
Status: Valid

GB/T 8061: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 8061-2022	289	Add to Cart	3 days	Micrometer with dial comparator	Valid
GB/T 8061-2004	279	Add to Cart	3 days	Micrometer with dial comparator	Obsolete
GB/T 8061-1987	359	Add to Cart	3 days	Indicating micrometers	Obsolete

Similar standards

GB/T 1216   GB/T 22092   GB/T 22097   GB/T 8177   GB/T 8122   

Basic data

Standard ID: GB/T 8061-2022 (GB/T8061-2022)
Description (Translated English): Micrometer with dial comparator
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J42
Word Count Estimation: 14,197
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 8061-2022: Micrometer with dial comparator

---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.
Micrometer with dial comparator ICS 17.040.30 CCSJ42 National Standards of People's Republic of China Replacing GB/T 8061-2004 Lever Micrometer Published on 2022-07-11 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Types and basic parameters 2 4.1 Type 2 4.2 Basic parameters 3 5 Requirements 4 5.1 Appearance 4 5.2 Interaction 4 5.3 Materials 4 5.4 feet rack 4 5.5 Measuring force 4 5.6 Various devices 4 5.7 Measuring surface 5 5.8 Rulers and Ruler Marks 5 5.9 Instruction sheet 5 5.10 Maximum allowable error 6 5.11 Proofing block (rod) 6 6 Check Condition 7 6.1 Check temperature and humidity 7 6.2 Isothermal conditions 7 7 Inspection method 7 7.1 Appearance 7 7.2 Interaction 7 7.3 feet rack7 7.4 Measuring force 7 7.5 Various devices 7 7.6 Measuring surface 7 7.7 Rulers and Ruler Marks 8 7.8 Instruction sheet 8 7.9 Maximum allowable error 8 7.10 Proofing block (rod) 10 8 Logo and packaging10

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. This document replaces GB/T 8061-2004 "Lever Micrometer". Compared with GB/T 8061-2004, except for structural adjustments and editorial changes Besides, the main technical changes are as follows. --- Changed the scope and expanded the varieties of digital display (see Chapter 1, Chapter 1 of the.2004 edition); --- Changed the relevant terms (see Chapter 3, Chapter 3 of the.2004 edition); --- Changed the type of lever micrometer (see 4.1, 4.1 of the.2004 edition); --- Changed the requirements for basic parameters and added detailed provisions (see 4.2, 4.2 of the.2004 edition); --- Changed the appearance requirements and added detailed regulations (see 5.1, 5.1 of the.2004 edition); --- Added requirements for interaction (see 5.2); --- Changed the material requirements (see 5.3, 5.2 of the.2004 edition); --- Changed the quantitative requirements for the rigidity of the ruler frame (see 5.4, 5.3 of the.2004 edition); --- Changed the requirements for measuring force (see 5.5, 5.5 of the.2004 edition); --- Added requirements for various devices, and specified various devices that should and should be provided for lever micrometers (see 5.6); --- Changed the requirements for the measurement surface, and put forward quantitative requirements for the roughness and offset of the measurement surface (see 5.7.4, 5.7.4 of the.2004 edition); --- Changed the requirements for the parallelism of the measuring surface and inspection tools (see 5.7.5, 5.7.3 of the.2004 edition); --- Changed the requirements of the ruler (see 5.8, 5.8 of the.2004 edition); --- Changed the requirements of the instruction table (see 5.9, 5.10 of the.2004 edition); --- Changed the index of allowable error and expanded the range of high precision (see 5.10, 5.11 of the.2004 edition); --- Added inspection conditions (see Chapter 6); --- Changed the inspection method (see 7.9, 6.5 of the.2004 edition). Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee of Measuring Tools and Measuring Instruments (SAC/TC132). This document is drafted by. Guilin Measuring & Cutting Tools Co., Ltd., Chengdu Tool Research Institute Co., Ltd., Chengdu Xincheng Measuring Tools Co., Ltd. Company, Qinghai Measuring & Cutting Tool Co., Ltd., Harbin Measuring & Cutting Tool Group Co., Ltd., China Jiliang University, Zhejiang Shuanghong Technology Co., Ltd. Company, Guilin Guanglu Digital Measurement and Control Co., Ltd. The main drafters of this document. Zhao Weirong, Wei Gaihong, Xu Gang, Wang Xiangen, Ma Shibin, Zhang Wei, He Yixian, Wang Ting, Zhao Jun, Wang Lei, Huang Guiyun. This document was first published in 1987 and revised for the first time in.2004, this time being the second revision. Lever Micrometer

1 Scope

This document specifies the type and basic parameters, requirements, inspection conditions, inspection methods, marking and packaging of lever micrometers. This document is applicable to the graduation value of the differential head is 0.01mm, the range is 25mm, the graduation value of the indicator table is 0.001mm, 0.002mm, Or a lever micrometer with a resolution of 0.0005mm and 0.001mm and a measurement upper limit of 100mm.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 1216 outside micrometer GB/T 1219 Instruction Sheet GB/T 1800.2 Product Geometric Specification (GPS) Linear Dimension Tolerance ISO Code System Part 2.Standard Tolerance Zone Code and limit deviation table of hole and shaft GB/T 17163 Basic terminology of geometric measuring instruments GB/T 17164 Terminology of Geometric Measuring Instruments Product Terminology GB/T 18761 Electronic digital display indicator GB/T 18779.1 Technical Specifications for Geometric Quantities of Products (GPS) Measurement and Inspection of Workpieces and Measuring Equipment Part 1.Inspection According to Specifications Pass or Fail Judgment Rules GB/T 24634 Product Geometric Specifications (GPS) General Concepts and Requirements for GPS Measuring Equipment JB/T 10631 pin gauge

3 Terms and Definitions

GB/T 17163, GB/T 17164, GB/T 24634 and the following terms and definitions apply to this document. 3.1 Using the principle of screw pair transmission, the distance between the two measuring surfaces on the ruler frame is separated and coarsely read, and the lever gear is used to measure the micro transmission mechanism. Micrometer-scale outer micrometer for subdivided readings. [Source. GB/T 17164-2008, 2.3.3, with modifications] 3.2 Micrometer-level lever micrometers that display micrometer readings via electronic digital display technology. 3.3 The error limit specified by the technical specifications, rules, etc. for the lever micrometer as a whole. ......

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