GB/T 757-2010 English PDF

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GB/T 757-2010: Conical shaft extension for rotating electrical machines
Status: Valid

GB/T 757: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 757-2010	169	Add to Cart	3 days	Conical shaft extension for rotating electrical machines	Valid
GB/T 757-1993	239	Add to Cart	2 days	Conical snaft extension for rotating electrical machines	Obsolete

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Basic data

Standard ID: GB/T 757-2010 (GB/T757-2010)
Description (Translated English): Conical shaft extension for rotating electrical machines
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K20
Classification of International Standard: 29.160
Word Count Estimation: 7,799
Date of Issue: 2010-11-10
Date of Implementation: 2011-05-01
Older Standard (superseded by this standard): GB/T 757-1993
Quoted Standard: GB/T 3-1997; GB/T 197-2003; GB/T 1800.2-2009; GB/T 11852-2003
Regulation (derived from): Announcement of Newly Approved National Standards No. 8 of 2010 (total 163)
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 1: 10 conical shaft extension of the type, dimensions and tolerances. This standard applies to rotating electrical transmission torque conical shaft end.

GB/T 757-2010: Conical shaft extension for rotating electrical machines

---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.
Conical shaft extension for rotating electrical machines ICS 29.160 K20 National Standards of People's Republic of China Replacing GB/T 757-1993 Conical rotating motor shaft extension Issued on. 2010-11-10 2011-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The revised standard and replaces GB/T 757-1993 "conical rotating motor shaft extension." Compared with the previous version of the standard content unskilled Surgery differences, the main changes are as follows. --- Typographical errors in Table 1 and Table 2 is revised; --- 4.2 "E Limit deviation using JS14" to "E Limit deviation using js14"; --- Chapter 5 "under Level 2 precision taper ring" to "taper angle tolerance class 2 taper ring." The standard proposed by China Electrical Equipment Industrial Association. The standard rotary motor by the National Standardization Technical Committee (SAC/TC26) centralized. This standard was drafted. Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd., Shanghai Branch Electric Motor Technology Co., Ltd. Tellhow shares Limited copies. The main drafters of this standard. Huang Lei, Kang Maosheng, Li Jialin, Qu ancestral party. This standard replaces the standards previously issued as follows. --- GB/T 757-1965; --- GB/T 757-1979; --- GB/T 757-1993. Conical rotating motor shaft extension

1 Scope

This standard specifies 1.10 conical shaft extension (hereinafter referred to as conical shaft extension) the type, dimensions and tolerances. This standard applies to the rotating motor shaft torque transmitting conical end of the stretch.

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 3-1997 common thread ending, from the shoulder, undercuts and chamfers GB/T 197-2003 common thread tolerance GB/T 1800.2-2009 Geometrical product specifications (GPS) limits and fits - Part 2. Standard tolerance grades and hole axis pole Limit deviation table GB/T 11852-2003 cone gauge tolerances and technical conditions

3 type and size

3.1 conical shaft extension divided into A and B type two. As shown in Figure 1. According to the length of the shaft extension, and it is divided into a long series of short series two kinds. Which are parallel to the axis of the bottom surface of the keyway. 3.2 long series of conical shaft extension should be sized in accordance with Table 1. 3.3 short series conical shaft extension should be sized in accordance with Table 2. Figure 1 a schematic view of conical shaft extension ......

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