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www.ChineseStandard.net Database: 189760 (18 Oct 2025)

GB/T 7925-2021 English PDF

US$119.00 · In stock
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GB/T 7925-2021: NC reciprocating traveling type wire electrical-discharge machines - Parameters
Status: Valid

GB/T 7925: Evolution and historical versions

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 7925-2021	English	119	Add to Cart	3 days [Need to translate]	NC reciprocating traveling type wire electrical-discharge machines - Parameters	Valid	GB/T 7925-2021
GB/T 7925-2005	English	199	Add to Cart	2 days [Need to translate]	Wire electrical-discharge machines (Reciprocating traveling type) -- Parameters	Obsolete	GB/T 7925-2005
GB/T 7925-1987	English	199	Add to Cart	2 days [Need to translate]	Parameters of wire cut electric discharge machines	Obsolete	GB/T 7925-1987

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GB/T 38193 GB 16454 JB/T 8490 GB/T 5291.1 GB/T 7926

Basic data

Standard ID	GB/T 7925-2021 (GB/T7925-2021)
Description (Translated English)	NC reciprocating traveling type wire electrical-discharge machines - Parameters
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J59
Word Count Estimation	6,669
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 7925-2021: NC reciprocating traveling type wire electrical-discharge machines - Parameters

---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.
NC reciprocating traveling type wire electrical-discharge machines-Parameters ICS 25.080.99 J59 National Standards of People's Republic of China Replace GB/T 7925-2005 CNC reciprocating wire EDM WEDM machine parameters Released on 2021-05-21 2021-12-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 7925-2005 "Parameters of Wire EDM (Reciprocating Wire Type)", compared with GB/T 7925-2005, The main technical changes are as follows. ---Modified the main content and scope of application of the standard (see Chapter 1, Chapter 1 of the.2005 edition); ---Modified the machine tool type and listed a separate chapter (see Chapter 4, Chapter 4 of the.2005 edition); ---Modified the parameter range of X, Y, Z axis stroke, maximum workpiece quality, and maximum cutting thickness; "Maximum cutting taper" was changed to "Maximum Cutting slope" and modified the parameter range (see Table 1,.2005 edition of Table 1). This standard was proposed by the China Machinery Industry Federation. This standard is under the jurisdiction of the National Standardization Technical Committee for Special Processing Machine Tools (SAC/TC161). Drafting organizations of this standard. Suzhou Electrical Processing Machine Tool Research Institute Co., Ltd., Hangzhou Huafang CNC Machine Tool Co., Ltd., Jiangsu Dongqing CNC Machine Bed Co., Ltd., Suzhou Baoma CNC Equipment Co., Ltd., Taizhou Jiangzhou CNC Machine Tool Manufacturing Co., Ltd. The main drafters of this standard. Wang Ying, Zhang Xudong, Li Haozhou, Mei Jianen, Ding Chengcai, Wu Yue. This standard was first published in June 1987, and was revised for the first time in May.2005.This is the second revision. CNC reciprocating wire EDM WEDM machine parameters

1 Scope

This standard specifies the types and parameters of CNC reciprocating wire EDM wire cutting machine tools. This standard applies to CNC reciprocating wire EDM wire cutting machine tools (hereinafter referred to as "machine bed").

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 article Pieces. For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 321-2005 Priority Number and Priority Number System GB/T 7926-2015 CNC reciprocating wire EDM wire cutting machine precision inspection GB/T 14896.2-2009 Terminology for special machining machine tools Part 2.EDM machine tools

3 Terms and definitions

The terms and definitions defined in GB/T 14896.2-2009 apply to this document.

4 type

The basic types of machine tools are shown in Figure 1 and Figure 2, which are mainly divided into single-column machine tools and double-column machine tools. The coordinate system and operation of the machine tool The dynamic naming shall comply with the provisions of Chapter 3 in GB/T 7926-2015.

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Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 7925-2021 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.