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GB/T 2077-2023 English PDF

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GB/T 2077-2023: Indexable carbide inserts - Corner radii
Status: Valid

GB/T 2077: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 2077-2023English129 Add to Cart 3 days [Need to translate] Indexable carbide inserts - Corner radii Valid GB/T 2077-2023
GB/T 2077-1987English129 Add to Cart 2 days [Need to translate] Indexable hardmetal (carbide) inserts. Corner radii Obsolete GB/T 2077-1987

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Basic data

Standard ID GB/T 2077-2023 (GB/T2077-2023)
Description (Translated English) Indexable carbide inserts - Corner radii
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard H70
Classification of International Standard 77.160
Word Count Estimation 6,637
Date of Issue 2023-12-28
Date of Implementation 2024-07-01
Older Standard (superseded by this standard) GB/T 2077-1987
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 2077-2023: Indexable carbide inserts - Corner radii

---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 77:160 CCSH70 National Standards of People's Republic of China Replace GB/T 2077-1987 Carbide indexable insert corner radius Published on 2023-12-28 2024-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document replaces GB/T 2077-1987 "Cemented carbide indexable insert fillet radius": Compared with GB/T 2077-1987, except In addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Added indexable insert fillet radius classification (see Chapter 4); b) Added a schematic diagram of the fillet radius of non-circular blades (see 5:1); c) Added turning insert corner radius without fillet, 0:03mm, 0:05mm, 0:1mm (see Table 1); d) Added the corner radii of special turning inserts and milling inserts to 0:6mm, 1:0mm, 1:5mm, 3:0mm and 4:0mm (See Table 1); e) Changed the fillet radius of non-circular blades from "2:4mm" to "2:5mm" (see 5:1, Chapter 1 of the 1987 edition); f) Added the schematic diagram of the fillet radius of circular inserts and the fillet radius of circular turning (milling) inserts (see 5:2): This document is modified to adopt ISO 3286:2016 "Single-point cutting tool fillet radius": Compared with ISO 3286:2016, this document has made the following structural adjustments: ---Chapter 5 corresponds to Chapter 2 in ISO 3286:2016; ---Chapter 6 corresponds to Chapter 3 in ISO 3286:2016: The technical differences between this document and ISO 3286:2016 and their reasons are as follows: ---Added the classification of indexable insert fillet radius (see Chapter 4) to make the classification of carbide indexable inserts more standardized; ---Added the schematic diagram of the fillet radius of non-circular inserts and the fillet radius of turning inserts without fillet, 0:03mm, 0:05mm, 0:1mm (See 5:1), to adapt to the development of the industry; ---Added the corner radii of special turning inserts and milling inserts to 0:6mm, 1:0mm, 1:5mm, 3:0mm and 4:0mm (See 5:1), to adapt to industry development and improve the applicability of this document; ---Added a schematic diagram of the fillet radius of circular inserts and the fillet radius of circular turning (milling) inserts (see 5:2) to adapt to the development of the industry need; ---Deleted the imperial dimensions of the fillet radius in Table 1 of ISO 3286:2016, which is more suitable for my country's national conditions: The following editorial changes have been made to this document: ---Deleted informative Appendix A and references: Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by the China Nonferrous Metals Industry Association: This document is under the jurisdiction of the National Nonferrous Metals Standardization Technical Committee (SAC/TC243): This document was drafted by: Zhuzhou Diamond Cutting Tool Co:, Ltd:, Zhuzhou Carbide Group Co:, Ltd:, Xiamen Jinlu Special Co:, Ltd: Gold Co:, Ltd:, Zigong Cemented Carbide Co:, Ltd:, Chongyi Zhangyuan Tungsten Industry Co:, Ltd: The main drafters of this document: Huang Weiwu, Qi Shen, Zhang Wei, Zuo Xiaochen, Gong Bin, Kuang Hongyou, Jiang Tao, Lin Liangliang, Zhu Ronghua, Liu Limin, Xu Guozuan, Zhong Zhiqiang: This document was first published in 1980, revised for the first time in 1987, and this is the second revision: Carbide indexable insert corner radius

1 Scope

This document specifies the corner radius values for carbide indexable inserts: This document applies to the tip rounding of single-edged carbide indexable inserts with rounded corners:

2 Normative reference documents

This document has no normative references:

3 Terms and definitions

There are no terms or definitions to be defined in this document:

4 categories

Carbide indexable inserts are divided into non-circular inserts and circular inserts according to their shapes, and they are divided into turning inserts, milling inserts and drilling inserts according to their functions: blade:

5 sizes

5:1 The schematic diagram of the fillet radius of non-circular blades is shown in Figure 1: The fillet radius of non-circular blades should comply with the provisions of Table 1: Figure 1 Schematic diagram of fillet radius of non-circular inserts Table 1 Fillet radius of non-circular inserts Unit is millimeters Turning insert corner radius rε Milling insert corner radius rε Drilling insert corner radius rε No rounded corners - - 0:03 - -

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