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GB/T 32253-2015 PDF English

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GB/T 32253-2015: Precision hot forging of straight bevel gear -- Structural design specification
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Basic data

Standard ID GB/T 32253-2015 (GB/T32253-2015)
Description (Translated English) Precision hot forging of straight bevel gear -- Structural design specification
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J32
Classification of International Standard 77.140.85
Word Count Estimation 9,918
Date of Issue 2015-12-10
Date of Implementation 2016-07-01
Quoted Standard GB/T 11365-1989; GB/T 32254-2015
Regulation (derived from) National Standard Announcement 2015 No.38
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 tooth portions of hot precision forging straight bevel gear forging (hereinafter referred to as "hot forging") terms and definitions, as well as structural elements in the form of hot forging straight bevel gears to optimize the structure. This standard applies to the final straight portion of the tooth bevel gear forging precision forging forming process, the quality of ��20 kg, end surface modulus ��20 mm, tooth diameter ��250 mm.

GB/T 32253-2015: Precision hot forging of straight bevel gear -- Structural design specification



---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.
(Straight Bevel Gear Precision Hot forging structural design codes) ICS 77.140.85 J32 National Standards of People's Republic of China Straight Bevel Gear Precision Hot forging structural design codes Issued on. 2015-12-10 2016-07-01 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 Terms and definitions 4 structural elements 1 5 hot forging optimize the structure of 3

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard by the National Standardization Technical Committee Forging (SAC/TC74) and focal points. This standard was drafted. Jiangsu Pacific Precision Forging Technology Co., Ltd., Shanghai Automotive Transmission Co., Ltd., Beijing Institute of Electrical. The main drafters of this standard. Han Guan Xia, Huang Zepei, gold red, Tao Liping, Zhang Haiying, Wei Wei, Zhang Yong, Shen added Sheng, Zhou Lin, Zhou Xuan, Sun Hua standard. Straight Bevel Gear Precision Hot forging structural design codes

1 Scope

This standard specifies the forging straight bevel gear tooth portion of the precision hot forging (hereinafter referred to as "hot forging") terms and definitions, structures Form elements and heat forging straight bevel gears to optimize the structure. This standard applies to the final straight portion of the tooth bevel gear forging precision forging forming process, the quality ≤20kg, end surface modulus ≤20mm, tooth diameter ≤250mm.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 11365-1989 bevel and hypoid gear precision GB/T 32254-2015 straight bevel gears precision hot forging general technical conditions

3 Terms and Definitions

The following terms and definitions apply to this document. 3.1 Straight Bevel Gear Precision Hot Forging precisionhotforgingofstraightbevelgear Using precision hot forging process to obtain a straight-toothed bevel gear forgings, their surface is no longer for cutting gear, accuracy no less than GB/T 11365-1989 specified 10. 3.2 Spoke spokeplate Hot forging annular plate connected to the rim and the hub between said wheel plate.

4 structural elements

4.1 parting surface Hot forging parting surface is perpendicular to the axis, and contains a flat hot forging the largest diameter (Figure 1, Figure 2). Figure 1 Figure 2 4.2 forging slope and tolerance Hot forging forging gradient (Figure 1 in the α, β) and tolerance, according to the provisions of GB/T 32254-2015 of. ...

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