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GB/T 2484: Historical versions
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| GB/T 2484-2023 | English | 589 |
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Bonded abrasive products - Shape types, designation and marking
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| GB/T 2484-2018 | English | 879 |
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Bonded abrasive products -- General requirements
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| GB/T 2484-2006 | English | 799 |
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Bonded abrasive products -- General requirements
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| GB/T 2484-1994 | English | 519 |
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Symbols and designation for bonded abrasive products
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| GB 2484-1984 | English | 279 |
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Symbols for bonded abrasives
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Basic data
| Standard 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 | 29,249 |
| 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| Older Standard (superseded by this standard) | GB/T 2484-2018 |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 contents
Preface 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 24
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 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 Symbols
1 Scope
This 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 documents
The 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 Terminology
3 Terms and definitions
The terms and definitions defined in GB/T 16458 apply to this document:
4 size symbols
The 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
...
