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GB/T 21943-2008 English PDF

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GB/T 21943-2008: Back-up pads for vulcanized fibre discs
Status: Valid
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GB/T 21943-2008English139 Add to Cart 3 days [Need to translate] Back-up pads for vulcanized fibre discs Valid GB/T 21943-2008

PDF similar to GB/T 21943-2008


Standard similar to GB/T 21943-2008

GB/T 2493   GB/T 2480   GB/T 23541   GB/T 21944.2   GB/T 21944.3   GB/T 21944.1   

Basic data

Standard ID GB/T 21943-2008 (GB/T21943-2008)
Description (Translated English) Back-up pads for vulcanized fibre discs
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J43
Classification of International Standard 25.100.70
Word Count Estimation 6,681
Date of Issue 2008-06-03
Date of Implementation 2009-01-01
Quoted Standard GB/T 20963-2007
Adopted Standard ISO 15636-2003, MOD
Regulation (derived from) National Standard Approval Announcement 2008 No.9 (Total No.122)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard provides for the installation of steel sand paper and clamping the support tray types and dimensions. This standard applies to the installation and clamping comply with GB/T 20963-2007 requirements of the steel sand paper or hand-held grinding machine. If the angle grinder grinding machine and other similar support tray. Support tray size and clamping unit is connected with the common hand-held grinding machine spindle end of the size mate.

GB/T 21943-2008: Back-up pads for vulcanized fibre discs

---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.
Back-up pads for vulcanized fibre discs ICS 25.100.70 J43 National Standards of People's Republic of China Steel sand paper support tray (ISO 15636.2003, MOD) Posted 2008-06-03 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 15636.2003 "Steel sand paper support tray" (in English). This standard and ISO 15636.2003 Phase Ratio, the main technical differences are as follows. --- Chapter 1 Delete "Installation and clamping comply steel sand paper or hand-held grinding machine ISO 16057 requirements" provisions, increase the "Applies Installation and clamping line with GB/T 20963-2007 requirements for steel sand paper or hand-held grinding machine "; --- Of ISO 15636.2003 is referenced in ISO 16057.2002, it has been adopted as the country with the GB/T 20963-2007 instead; Chapter 3 --- adds an outer diameter of 80mm steel sand paper and the corresponding support tray relative dimensions. Also increased the hand tool Spindle connecting thread size M12, M16 and M22. Delete the size of 5/8 inch hole or threaded. Increase GB/T 20963 consistent labeling; --- Chapter 4 support tray manufacturing composite material increases; --- Chapter 5 examples to M14 thread instead of Example UNCd5 = 5/8 thread. This standard made the following editorial changes. --- "This International Standard" be replaced by "this standard"; --- Deleted international standards foreword. The standard proposed by China Machinery Industry Federation. This standard by the National Standardization Technical Committee Abrasives (SAC/TC139) centralized. This standard was drafted. Henan University. The main drafters of this standard. Li Cheng Shin. This standard is the first release. Steel sand paper support tray

1 Scope

The standard provides for the installation of steel sand paper and clamping the support tray types and dimensions. This standard applies to the installation and clamp line with GB/T 20963-2007 requirements for steel sand paper or hand-held grinding machine, such as angle grinder And so on with the same grinding machine support tray. Support tray and clamping unit is connected with the size of general purpose handheld grinding machine spindle end fit size.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 20963-2007 coated abrasive sand paper steel (ISO 16057.2002, MOD)

3 type and size

Type 3.1 Figures 1 and 2. Figure 1 clamping nut Figure 2 support tray 3.2 Dimensions Support tray dimensions and limit deviations in Table 1.

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