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GB/T 32534-2016 English PDF

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GB/T 32534-2016: Test methods for taper screw threads
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Basic data

Standard ID GB/T 32534-2016 (GB/T32534-2016)
Description (Translated English) Test methods for taper screw threads
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J04
Classification of International Standard 21.040.01
Word Count Estimation 35,362
Date of Issue 2016-02-24
Date of Implementation 2016-09-01
Regulation (derived from) National Standard Announcement No
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

GB/T 32534-2016: Test methods for taper screw threads

---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.
Test methods for taper screw threads ICS 21.040.01 J04 National Standards of People's Republic of China Conical thread detection method Issued on. 2016-02-24 2016-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

CONTENTS

Introduction Ⅲ ... 1 Scope 1 ... 2 Normative references 1 ... 3 Terms and definitions ... 4 1 ... testing conditions 4.1 Standard reference conditions 1 ... 4.2 Temperature Measurement Condition 2 ... 4.3 testing apparatus for 2 ... 5 3 ... detection method 6 single thread parameter measuring 3 ... 6.1 external thread single parameter measuring 3 ... 6.1.1 path 3 ... 6.1.1.1 Overview 3 ... 6.1.1.2 the amount of ball method 4 ... 6.1.1.3 the amount of needle 9 ... 6.1.2 flank angle 14 ... 6.1.2.1 Overview 14 ... 6.1.2.2 axis cutting method 14 ... 6.1.3 pitch (lead) 16 ... 6.1.3.1 Overview 16 ... 6.1.3.2 the amount of ball method 16 ... 6.1.4 taper 18 ... 6.1.5 large diameter 19 ... 6.1.6 trails 20 ... 6.1.7 stepped surface location 20 ... 6.1.8 tooth bottom radius of the arc 20 ... 6.2 internal thread single parameter measuring 20 ... 6.2.1 flank angle 20 ... 6.2.2 pitch (lead) 20 ... 6.2.2.1 Overview 20 ... 6.2.2.2 the amount of ball method 21 ... 6.2.3 taper 21 ... 6.2.4 trails 22 ... 6.3 measurement result report 22 ... 7 22 Thread Inspection ... 8 qualified to determine the 23 ... Volume Appendix A (normative) is used to measure the diameter of the ball (pin) Dia. Select ... 24 Appendix B (normative) in diameter known method of calculation m ... 25 Measurement model Annex C (normative) internal thread diameter of 26 ... Annex D (informative) indicates taper thread gauge 28 ... References 29 ...

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the National Standardization Technical Committee thread (SAC/TC108) and focal points. Please note that some of the content of this document may involve patents. Release mechanism of the present document does not assume responsibility for the identification of these patents. This standard is drafted by. Shanghai Institute of Measurement and Testing. Participated in the drafting of this standard. Guangzhou Institute of Measurement and testing, Zhejiang Institute of Metrology, the machine Productivity Promotion Center, China Aviation Industry Corporation Beijing Great Wall Institute of Measurement and Testing Technology, Chengdu into a tool Group Co., Ltd., Suzhou Ed Richmond precision measurement equipment Limited. The main drafters of this standard. Tsai Ming steel, Wang Jian, Wu Jing, Mao Zhenhua, Li Xiaobin, Liu Yuan mold, Tangying Na, Xu Yan, Zhang Xu increase. Conical thread detection method

1 Scope

This standard specifies the conical thread parameters (pitch, lead, flank angle, large-diameter, diameter, small diameter, the diameter of the conical taper, stepped surface position, tooth bottom arc radius) detection method. This standard applies to conical thread (excluding oil pipe thread) sensed parameter.

2 Normative references

The following documents for the application of this document is essential. For cited documents with dates, only the dated edition applies to this document. For undated references, the latest edition (including any amendments) applies to this document. GB/T 8336 cylinders dedicated thread gauge GB/T 12716 60 ° sealing pipe thread GB/T 14791 threads term GB/T 22091.1 55 ° sealing pipe thread gauges - Part 1. Test for internal cylindrical thread and taper external thread GB/T 27944 60 ° dry seal pipe thread GB/T 28703-2012 threaded barrel detection method JB/T 10031 pipe thread seal threaded Regulation JJF1001 common measurement terms and definitions JJF1059 (all parts) Evaluation and Expression of Uncertainty in Measurement

3 Terms and Definitions

GB/T 14791, JJF1001 and JJF1059 (all parts), and the definition of the following terms and definitions apply to this document. 3.1 test on screw threads To determine whether products conform to thread a corresponding set of operations required standards. Note. These operations typically include measuring the magnitude of the thread parameters and (or) exceeds allowable limit test. 3.2 line of measurement When measuring contact with the measured alveolar excess ball center (the axis of the needle and cut the amount of volume at the point of intersection of the needle radial line) and the thread axis perpendicular to the linear equivalent spherical (pin). NOTE. Measure the line of measuring the diameter of the base surface, to be measured by the measuring line from the reference plane or reference surface distance.

4 test conditions

4.1 Standard reference conditions Standard reference temperature. t0 = 20 ℃; Standard Reference load. F0 = 0.

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