GB/T 9058-2024 English PDF

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GB/T 9058-2024: Odd fluted micrometer
Status: Valid

GB/T 9058: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 9058-2024	279	Add to Cart	3 days	Odd fluted micrometer	Valid
GB/T 9058-2004	239	Add to Cart	3 days	Micrometer with prismatically arranged measuring faces	Obsolete
GB/T 9058-1988	239	Add to Cart	2 days	Odd fluted micrometer	Obsolete

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Basic data

Standard ID: GB/T 9058-2024 (GB/T9058-2024)
Description (Translated English): Odd fluted micrometer
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J42
Classification of International Standard: 17.040.30
Word Count Estimation: 14,142
Date of Issue: 2024-04-25
Date of Implementation: 2024-11-01
Older Standard (superseded by this standard): GB/T 9058-2004
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 9058-2024: Odd fluted micrometer

---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.
ICS 17:040:30 CCSJ42 National Standards of People's Republic of China Replace GB/T 9058-2004 Odd Groove Micrometer Released on 2024-04-25 2024-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Type and basic parameters 1 5 General 2 6 Inspection methods 4 7 Logo and packaging 5 References 6

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 for standardization documents" Drafting: This document replaces GB/T 9058-2004 "Odd-number groove micrometer": Compared with GB/T 9058-2004, except for structural adjustments and editorial In addition to the modifications, the main technical changes are as follows: a) Deleted the odd-numbered groove micrometer with a graduation value of 0:005 mm in the applicable range (see Chapter 1 of the:2004 edition); b) Added coating appearance requirements (see 5:1:2); c) The requirements for the change in measuring force of the force measuring device have been changed (see 5:6, 5:5 of the:2004 edition); d) The requirements for locking devices have been deleted (see 5:6 of the:2004 edition); e) The requirements for digital display devices have been deleted (see 5:9 of the:2004 edition); f) Added the requirements for scale (see 5:9); g) The dimensional deviation and cylindricity tolerance have been changed (see Table 3, Table 3 of the:2004 edition); h) Added the requirements for ambient temperature under the test conditions (see 6:1); i) Added the test method for measuring surface hardness (see 6:5); j) The inspection method for the maximum allowable error has been changed (see 6:6, 6:4 of the:2004 edition); k) Added the inspection method for calibration cylinder size deviation and cylindricity tolerance (see 6:7): Please note that some of the contents of this document may involve patents: The issuing organization of this document does not assume the responsibility for identifying patents: This document was proposed by the China Machinery Industry Federation: This document is under the jurisdiction of the National Technical Committee for Standardization of Measuring Tools and Instruments (SAC/TC132): This document was drafted by: Chengdu Tool Research Institute Co:, Ltd:, Guilin Guanglu Digital Measurement and Control Co:, Ltd:, Qinghai Measuring Tools (Changzhou) Co:, Ltd: Co:, Ltd:, Qinghai Measuring Tools and Cutting Tools Co:, Ltd:, and Suzhou Guoliang Measuring Tools Technology Co:, Ltd: The main drafters of this document are: He Yixian, Xu Gang, Huang Guiyun, Huang Dawei, Ma Shibin and Zhao Yonghai: This document was first issued in 1988, revised for the first time in:2004, and this is the second revision: Odd Groove Micrometer

1 Scope

This document specifies the types and basic parameters, general rules, inspection methods, marking and packaging of odd groove micrometers: This document is applicable to odd-numbered groove micrometers with graduation values of 0:001mm, 0:002mm, 0:01mm and a measurement upper limit not exceeding 100mm: design, manufacture and inspection:

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document: For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document: document: GB/T 1216-2018 Outside micrometer GB/T 17163 Basic terms for geometric measuring instruments GB/T 17164 Terminology of geometric measuring instruments Product terminology

3 Terms and definitions

The terms and definitions defined in GB/T 17163 and GB/T 17164 and the following apply to this document: 3:1 With a special V-shaped anvil, it can measure the outside diameter of workpieces with 3, 5 or 7 grooves evenly distributed along the circumference:

4 Types and basic parameters

4:1 Type The schematic diagram of the odd-number groove micrometer is shown in Figure 1: The illustrations are for illustrative purposes only and do not represent detailed structures: ......

Image     

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