GB/T 7549-2008 English PDF

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GB/T 7549-2008: Synchronizing universal coupling with ball and socket
Status: Valid

GB/T 7549: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 7549-2008	419	Add to Cart	3 days	Synchronizing universal coupling with ball and socket	Valid
GB/T 7549-1987	479	Add to Cart	4 days	Synchronizing universal coupling with ball and sacket--Type, foundational parameters and main dimensions	Obsolete

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GB/T 5014   GB/T 4323   GB/T 5015   GB/T 5844   GB/T 5843   GB/T 7550   

Basic data

Standard ID: GB/T 7549-2008 (GB/T7549-2008)
Description (Translated English): Synchronizing universal coupling with ball and socket
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J19
Classification of International Standard: 21.120.20
Word Count Estimation: 18,163
Date of Issue: 2008-09-27
Date of Implementation: 2009-05-01
Older Standard (superseded by this standard): GB/T 7549-1987
Regulation (derived from): National Standard Approval Announcement 2008 No.16 (Total No.129)
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 specifies the CV synchronous universal coupling (hereinafter referred to as the coupling) structure type, dimensions and basic parameters. Mark, technical requirements, inspection rules, signs, packaging and storage. This standard applies to the drive shaft system with synchronization requirements.

GB/T 7549-2008: Synchronizing universal coupling with ball and socket

---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.
Synchronizing universal coupling with ball and socket ICS 21.120.20 J19 National Standards of People's Republic of China Replacing GB/T 7549-1987 Cage synchronous universal coupling Posted 2008-09-27 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 structure type, size and basic parameters 1 4 Mark 9 5 Technical requirements 9 9 6 Inspection Rules 7 signs, packaging and storage 10 Appendix A (informative) Cage Synchronizing universal coupling with the selection of 11

Foreword

This standard is GB/T 7549-1987 "Cage Synchronizing universal coupling type, basic parameters and the main dimensions," the amendment. This standard and GB/T 7549-1987 have compared the contents of the following changes. --- According to GB/T 1.1-2000 preparation of this standard; --- Modify the standard name, the original standard name "Cage Synchronizing universal coupling type, basic parameters and the main dimensions" to "ball Synchronizing universal coupling cage "; --- Increasing the standard introduction, scope and normative references; --- The coupling model "QWL" to "WQL"; --- Increased WQF type and WQM type coupling, expanding the nominal torque range from the original "180N · m ~ 10000N · m" Expanded to "180N · m ~ 560000N · m"; --- Increased WQF WQM type and type markup example; --- Increase the technical requirements, inspection rules, marking, packaging, storage and so on. Appendix A of this standard is an informative annex. This standard by the National Standardization Technical Committee axis machines and accessories and focal points. This standard was drafted. Mechanical Science Research Institute of Machine Productivity Promotion Center, based in Deyang Rieter Ltd., Xi'an Heavy machine Mechanical Institute, Xiangyang Automobile Bearing Industrial Corporation. The main drafters of this Standard. Chui Ming new Liuxue Guang, WangJiannong, Pan right, Zhang Lei. This standard replaces the standards previously issued as follows. --- GB/T 7549-1987. Cage synchronous universal coupling

1 Scope

This standard specifies the synchronization Ball Basket universal coupling (hereinafter referred to as coupling) structure type, basic parameters and dimensions, marking, technical Requirements, inspection rules, marking, packaging and storage. This standard applies to the drive shaft having a synchronization system requirements. Transfer nominal torque is 180N · m ~ 560000N · m, with the most promise Shaft angle is 14 ° ~ 18 °.

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 308 Rolling Ball (GB/T 308-2002, ISO 3290.1998, NEQ) GB/T 3852 and the coupling shaft hole coupling type and size GB/T 4879 rust-proof packaging GB/T 5782 hexagon head bolts (GB/T 5782-2000, eqv ISO 4014.1999) 3 structure type, size and basic parameters 3.1 WQL (basic) structure type shown in Figure 1, the basic parameters in accordance with Table 1, the basic dimensions in accordance with Table 2. Figure 1 WQL structure type Figure 3.2 WQF (flange type) structure type shown in Figure 2, the basic parameters and dimensions in accordance with Table 3. ......

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