GB/T 39518-2020 English PDF

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GB/T 39518-2020: Geometrical product specifications (GPS). Guidelines for the evaluation of coordinate measuring machine(CMM)test uncertainty for CMMs using single and multiple stylus contacting probing systems
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 39518-2020	169	Add to Cart	3 days	Geometrical product specifications (GPS). Guidelines for the evaluation of coordinate measuring machine(CMM)test uncertainty for CMMs using single and multiple stylus contacting probing systems	Valid

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Basic data

Standard ID: GB/T 39518-2020 (GB/T39518-2020)
Description (Translated English): Geometrical product specifications (GPS). Guidelines for the evaluation of coordinate measuring machine(CMM)test uncertainty for CMMs using single and multiple stylus contacting probing systems
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J04
Classification of International Standard: 17.040.01
Word Count Estimation: 9,926
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Quoted Standard: GB/T 16857.1; GB/T 16857.5-2017; GB/T 18779.1-2002; GB/T 24637.2; GB/T 34881; JJF L001; JJF 1059.1
Adopted Standard: ISO/TS 17865-2016, MOD
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies guidelines for the method of evaluating the uncertainty of detection when testing coordinate measuring machines in accordance with GB/T 16857.5. This standard applies to coordinate measuring machines equipped with contact detection systems and using discrete point detection mode.

GB/T 39518-2020: Geometrical product specifications (GPS). Guidelines for the evaluation of coordinate measuring machine(CMM)test uncertainty for CMMs using single and multiple stylus contacting probing systems

---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.
Geometrical product specifications (GPS) - Guidelines for the evaluation of coordinate measuring machine (CMM) test uncertainty for CMMs using single and multiple stylus contacting probing systems ICS 17.040.01 J04 National Standards of People's Republic of China Product Geometric Technical Specification (GPS) Use single probe and multi-probe contact detection system Guidelines for Evaluation of Measurement Uncertainty of Coordinate Measuring Machines 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Uncertainty evaluation of detection value 1 4.1 Detection of the influence of the bending and poor clamping of the ball support rod 1 4.2 Detect the shape of the ball 2 4.3 Detection of the shape error of the detection system 2 4.4 Detection of the size value of the detection system 2 4.5 Detection of the position value of the detection system 3 Appendix A (informative appendix) Approximately replace the problem of shape error with roundness value 4 Appendix B (informative appendix) and GPS matrix model relationship 5 Reference 6

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard uses the redrafting method to amend and adopt ISO /T S17865.2016 "Geometrical Technical Specifications for Products (GPS) using single probe and Guidelines for Evaluation of Uncertainty of Detection of Coordinate Measuring Machines in Multi-probe Contact Probe Systems. The technical differences between this standard and ISO /T S17865.2016 and the reasons are as follows. --- Regarding normative reference documents, this standard has made adjustments with technical differences to adapt to my country's technical conditions and adjustments. The situation is collectively reflected in Chapter 2 "Normative Reference Documents", and the specific adjustments are as follows. ● Replace ISO 10360-1 with GB/T 16857.1 equivalent to the international standard (see Chapter 3); ● Replace ISO 14253-1.1998 with GB/T 18779.1-2002, which is equivalent to the international standard (see Chapter 3, 4.3); ● Replace ISO 17450-2 with GB/T 24637.2 which is modified to adopt international standards (see Chapter 3); ● Replace ISO /T S23165 with GB/T 34881 equivalent to the international standard (see Chapter 3); ● Use JJF1001 instead of ISO /IEC Guide99 (see Chapter 3); ● Use JJF1059.1 instead of ISO /IEC Guide98-3 (see Chapter 3). This standard has made the following editorial changes. ---According to the requirements of GB/T 1.1-2009, in the "Scope" chapter, "This standard applies to the configuration of contact detection systems, using Coordinate measuring machine with discrete point detection mode". This standard was proposed and managed by the National Standardization Technical Committee for Product Geometric Technical Specifications (SAC/TC240). Drafting organizations of this standard. Hexagon Measurement Technology (Qingdao) Co., Ltd., Jiangsu Ruijing Optoelectronics Research Institute Co., Ltd., China Machinery Productivity Promotion Center, Guangdong Institute of Metrology, Zhejiang Asia-Pacific Mechanical and Electrical Co., Ltd., Ningbo Institute of Technology, Zhejiang University. The main drafters of this standard. Wang Jin, Ming Cuixin, Zhang Xinyu, Zhu Yue, Shi Ruikang, Chen Gang, Matthew Water. Product Geometric Technical Specification (GPS) Use single probe and multi-probe contact detection system Guidelines for Evaluation of Measurement Uncertainty of Coordinate Measuring Machines

1 Scope

This standard gives guidelines for the method of evaluating the uncertainty of detection when testing coordinate measuring machines in accordance with GB/T 16857.5. This standard applies to coordinate measuring machines equipped with a contact detection system and using discrete point detection mode.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this document. For undated references, the latest version (including all amendments) applies to this document. GB/T 16857.1 Technical Specification for Product Geometrical Quantities (GPS) Acceptance Test and Retest Test of Coordinate Measuring Machine Part 1.Vocabulary GB/T 16857.5-2017 Product Geometric Technical Specification (GPS) Acceptance Test and Reinspection Test of Coordinate Measuring Machine Part 5 Sub. Coordinate measuring machine (ISO 10360-5.2010, IDT) using single probe or multi-probe contact detection system GB/T 18779.1-2002 Technical Specification for Product Geometrical Quantity (GPS) Measurement and Inspection of Workpieces and Measuring Equipment Part 1.Press Standardizing inspection rules for qualified or unqualified GB/T 24637.2 Geometric Technical Specifications for Products (GPS) General Concepts Part 2.Basic Principles, Specifications, Operational Sets and Uncertainty GB/T 34881 Geometric Technical Specification for Products (GPS) Coordinate Measuring Machine Inspection Uncertainty Evaluation Guide JJF1001 General measurement terms and definitions JJF1059.1 Evaluation and expression of measurement uncertainty

3 Terms and definitions

GB/T 16857.1, GB/T 16857.5, GB/T 18779.1, GB/T 24637.2, GB/T 34881, JJF1001 and JJF1059.1 The defined terms and definitions apply to this document.

4 Uncertainty evaluation of detection value

4.1 Detect the influence of the bending and poor clamping of the ball support rod In some applications, the following factors may affect the detection value. ---Clamping of the detection ball. If the clamping of the detection ball is not tight enough or there is a vibration source, the detection ball may be Factors such as detection force, vibration and inertial force cause displacement; ---Detecting the bending of the ball support rod. If the rigidity of the detection ball support rod is insufficient, the bending caused by the detection force will become the detection value. A significant source of stance. ......

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