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GB/T 23480-2025 English PDF

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Q: Should I purchase the latest version GB/T 23480-2025?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23480-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$599.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23480-2025: Small hole drilling electrical discharge machines - Testing of the accuracy
Status: Valid

GB/T 23480: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23480-2025	599	Add to Cart	5 days	Small hole drilling electrical discharge machines - Testing of the accuracy	Valid
GB/T 23480.1-2009	459	Add to Cart	4 days	Small hole high speed drilling electro-discharge machines -- Part 1: Terminology and testing of accuracy	Valid

Similar standards

GB/T 38193 GB 16454 JB/T 8490 GB/T 45376 GB/T 14896.1 GB/T 23480.2

Basic data

Standard ID: GB/T 23480-2025 (GB/T23480-2025)
Description (Translated English): Small hole drilling electrical discharge machines - Testing of the accuracy
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J59
Classification of International Standard: 25.080.99
Word Count Estimation: 30,372
Date of Issue: 2025-03-28
Date of Implementation: 10/1/2025
Older Standard (superseded by this standard): GB/T 23480.1-2009,GB/T 23480.2-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 23480-2025: Small hole drilling electrical discharge machines - Testing of the accuracy

---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 25.080.99 CCSJ59 National Standard of the People's Republic of China Replaces GB/T 23480.1-2009, GB/T 23480.2-2009 Accuracy inspection of EDM small hole machining machine tools Released on 2025-03-28 2025-10-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Type and parameters 1 5 General 3 5.1 Units of measurement 3 5.2 Reference standards 3 5.3 Machine Leveling 3 5.4 Test sequence 3 5.5 Measuring instruments 3 5.6 Diagram 3 5.7 Software Compensation 3 5.8 Minimum tolerance 3 5.9 Positioning Accuracy 3 5.10 Working accuracy 3 6 Geometric accuracy 4 7 Positioning accuracy 17 8 Working accuracy 21 Appendix A (Normative) Special inspection tools and inspection rods 23

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 23480.1-2009 "Electro-spark small hole high-speed machining machine tools Part 1.Terminology and accuracy inspection" and GB/T 23480.2-2009 "Electro-spark small hole high-speed machining machine tools Part 2.Parameters", GB/T 23480.1-2009, Compared with GB/T 23480.2-2009, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) The machine tool type has been modified (see 4.1 and Figure 1, Chapter 3 of GB/T 23480.1-2009); b) Added standard instructions for machine tool leveling, diagrams, and software compensation (see 5.3, 5.6, and 5.7); c) The tolerance values corresponding to the accuracy test items have been changed (see Chapter 6 to Chapter 8, Chapter 5 to Chapter 7 of GB/T 23480.1-2009). chapter); d) Added the inspection of the spindle (Z axis) motion straightness, the spindle head (W axis) motion straightness, and the guide installation hole axis. Geometric accuracy test items such as coaxiality inspection with the electrode rotating axis (see Chapter 6); e) Added positioning accuracy inspection functions such as positioning accuracy, repeated positioning accuracy and positioning reverse difference inspection for CNC W-axis and Z-axis motion. Test items (see Chapter 7); f) Added the normative appendix "Special inspection tools and inspection rods" (see Appendix A); g) The machine tool parameter table (see Chapter 4 of GB/T 23480.2-2009) has been deleted. 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 Special Processing Machine Tools (SAC/TC161). This document was drafted by. Suzhou Electric Machine Tool Research Institute Co., Ltd., Suzhou Amazon Machine Tool Co., Ltd., Taizhou Jiangzhou CNC Machine Bed Manufacturing Co., Ltd., Zhejiang Aigson Intelligent Manufacturing Co., Ltd., Xiamen Standardization and Quality Brand Association, Suzhou Baoma CNC Equipment Co., Ltd., Beijing Electro-Processing Research Institute Co., Ltd., Suzhou Sanguang Technology Co., Ltd., Dongguan Taiyi Yingtuo Technology Co., Ltd. Co., Ltd., Suzhou Zhonggu Industrial Co., Ltd., China University of Petroleum (East China), Harbin Institute of Technology, Jiangsu Dongqing CNC Machine Tool Co., Ltd., Beijing Machine Tool Institute Precision Electromechanical Co., Ltd. and Gu'an Aerospace Xingbang Machinery Manufacturing Co., Ltd. The main drafters of this document are. Wang Ying, Weng Hongmei, Ding Chengcai, Zhang Bo, Yu Yongwei, Wang Shaowu, Mei Jianen, Jia Yunhai, Zhou Zhikai, Kuang Jinxiang, Yan Wei, Ji Renjie, Yang Xiaodong, Li Haozhou, Wang Peide, Wang Guiliang, Zhang Baosong, and Hong Lijun. The previous versions of this document and the documents it replaces are as follows. ---Published in.2009 as GB/T 23480.1-2009 and GB/T 23480.2-2009; --- This is the first revision, and GB/T 23480.1-2009 and GB/T 23480.2-2009 are merged. Accuracy inspection of EDM small hole machining machine tools

1 Scope

This document specifies the type and parameters, geometric accuracy, positioning accuracy and working accuracy of EDM small hole machining machines, as well as the requirements related to the above-mentioned accuracy. The tolerance value corresponding to the degree detection. This document is applicable to the detection of the accuracy of EDM small hole machining machines. This document only covers the detection of machine tool accuracy and is not applicable to machine tool operation tests (vibration, abnormal noise, creeping of parts, etc.) and other Checks on parameters (such as speed, feed rate, etc.) are usually performed before precision testing.

2 Normative references

The contents of the following documents constitute 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. GB/T 14896.1 Terminology of special processing machine tools Part 1.Basic terms GB/T 14896.2 Terminology of special processing machine tools Part 2.Electrical discharge machining machine tools GB/T 17421.1-2023 General rules for machine tool inspection Part 1.Geometric accuracy of machine tools under no-load or quasi-static conditions GB/T 17421.2-2023 General rules for machine tool inspection Part 2.Determination of positioning accuracy and repeatability of CNC axes GB/T 19660 Industrial automation systems and integrated machine tool numerical control coordinate systems and motion nomenclature GB/T 19764 Guide for the selection of priority numbers and priority number integer series

3 Terms and definitions

The terms and definitions defined in GB/T 14896.1 and GB/T 14896.2 apply to this document.

4 Types and parameters

4.1 The structure of the EDM small hole machining machine (hereinafter referred to as the "machine tool") is shown in Figure 1.The coordinate system and main motion axes of the machine tool are named according to The provisions of GB/T 19660. 4.2 The main parameters of the machine tool should include. ---Work surface width, ---Working table length, ---Distance from guide to work surface, ---X axis travel, ---Y axis travel, ---Z axis travel, ---W axis travel. 4.3 When designing machine tools, the priority number system should be used for the main parameters listed in 4.2 according to the provisions of GB/T 19764, and the common ratio should be selected according to 1.25. Rounded value. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23480-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23480-2025_English as soon as possible, and keep you informed of the progress. The lead time is typically 3 ~ 5 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 23480-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23480-2025_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 23480-2025?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23480-2025 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.