GB/T 2484-2023 English PDFUS$589.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 2484-2023: Bonded abrasive products - Shape types, designation and marking Status: Valid GB/T 2484: Historical versions
Basic dataStandard ID: GB/T 2484-2023 (GB/T2484-2023)Description (Translated English): Bonded abrasive products - Shape types, designation and marking Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J43 Classification of International Standard: 25.100.70 Word Count Estimation: 29,214 Date of Issue: 2023-11-27 Date of Implementation: 2024-06-01 Older Standard (superseded by this standard): GB/T 2484-2018 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 2484-2023: Bonded abrasive products - Shape types, designation and marking---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 25:100:70 CCSJ43 National Standards of People's Republic of China Replace GB/T 2484-2018 Bonded Abrasive Shape Types, Markings and Symbols (ISO 525:2020,MOD) Published on 2023-11-27 2024-06-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee Table of contentsPreface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Dimension symbols 1 5 shape type 2 5:1 Shape code, name and size marking 2 5:2 Circumferential profile 17 6 Characteristics 18 6:1 General requirements 18 6:2 Types of abrasives 18 6:3 Abrasive particle size 19 6:4 Hardness grade 19 6:5 Organization number 19 6:6 Types of binders 19 6:7 Maximum working speed 19 7 Mark 20 8 flag 20 8:1 Marking of grinding wheels and grinding heads20 8:2 Millstone and sand tile markings 21 Appendix A (informative) This document is compared with ISO 525:2020 structure number comparison list 22 Appendix B (informative) List of technical differences between this document and ISO 525:2020 and their reasons 23 Reference 24ForewordThis 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 2484-2018 "General Requirements for Bonded Abrasives": Compared with GB/T 2484-2018, except for structural adjustments and In addition to editorial changes, the main technical changes are as follows: a) The meanings of the dimension symbols H, K, L, R, U and Chapter, Chapter 3 of the:2018 edition); b) Added shape codes 18B, 18P, 3105, 3106, 5412, 5421 and related content (see 5:1, 4:1 of the:2018 edition); c) The original "Requirements" chapter has been changed to the "Characteristics Regulations" chapter, and the dimensions, limit deviations, geometric tolerances, allowable unbalance, etc: have been deleted: Capacity (see Chapter 6, Chapter 5 of the:2018 edition); d) Some parts of the logo have been changed (see 8:1, 8:2, 7:1, 7:2 of the:2018 version): This document has been modified to adopt ISO 525:2020 "Shape Types, Markings and Markings of Bonded Abrasive Tools": Compared with ISO 525:2020, this document has many structural adjustments: See the comparison list of structure number changes between the two files: Appendix A: Compared with ISO 525:2020, this document has many technical differences: Use vertical single words in the outer margin of the clauses involved: The line (︱) is marked: A list of these technical differences and their causes is provided in Appendix B: The following editorial changes have been made to this document: ---Deleted the notes in the scope and ISO 6103 and ISO 13942 in the references; ---Adjust the instructions indicating the working surface symbols of bonded abrasive tools in Table 1 to Table 2; ---Deleted the note in 5:1; ---Deleted footnote b and footnote c in Table 2; ---Deleted the example in 5:2; ---Adjust footnote c in Figure 1 to footnote 1, and extend footnote d to footnote c; ---Change ISO 603 in the reference to GB/T 4127: 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 China Machinery Industry Federation: This document is under the jurisdiction of the National Abrasives and Abrasives Standardization Technical Committee (SAC/TC139): This document was drafted by: Zhengzhou Abrasives and Grinding Tools Grinding Research Institute Co:, Ltd:, Baige Abrasives and Grinding Tools Co:, Ltd:, Zhuhai Great White Shark Abrasives Mill Tools Co:, Ltd:, Shandong Luxin Sisha Taishan Grinding Tools Co:, Ltd:, Ningbo Dahua Grinding Wheel Co:, Ltd:, Suzhou Far East Grinding Wheel Co:, Ltd: The main drafters of this document: Bao Hua, Zhang Liang, Zhang Lin, Xiong Mingfang, Yang Shaojun, Yu Jiayin, Lin Yishu, Liu Zhong, Si Wenyuan, Wang Xuetao, Shi Haifeng, Tang Jihui: This document was first published in 1981, revised for the first time in 1984, revised for the second time in:1994, revised for the third time in:2006, and revised in:2018 The fourth revision, this is the fifth revision: Bonded Abrasive Shape Types, Markings and Symbols1 ScopeThis document specifies the following contents of bonded abrasive tools: a) Dimension symbols; b) shape type; c) Characteristics provisions; d) mark; e) logo: This document applies to bonded abrasive tools (such as grinding wheels, grinding heads, sand tiles and grinding stones): This document does not apply to superabrasive products and coated abrasives:2 Normative reference documentsThe contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: GB/T 2476 Common abrasive code GB/T 2481:1 Detection and marking of abrasive grain size composition for bonded abrasive tools Part 1: Coarse abrasive grains F4~F220 (GB/T 2481:1-1998,ISO 8486-1:1996,eqv) GB/T 2481:2 Detection and marking of abrasive particle size composition for bonded abrasive tools Part 2: Micropowder (GB/T 2481:2-2020, ISO 8486-2:2007,MOD) GB 2494 Safety requirements for bonded abrasive tools GB/T 16458 Abrasives Terminology3 Terms and definitionsThe terms and definitions defined in GB/T 16458 apply to this document:4 size symbolsThe size symbols of bonded abrasive tools are shown in Table 1: Table 1 Dimension symbols Dimension symbol meaning A The width of the sand tile bottom B Width of sand tiles and grindstones C Thickness of sand tiles and grindstones ...... |
