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GB/T 32254-2015: Precision hot forging of straight bevel gear -- General specifications
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 32254-2015 | English | 88 |
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Precision hot forging of straight bevel gear -- General specifications
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GB/T 32254-2015
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Basic data | Standard ID | GB/T 32254-2015 (GB/T32254-2015) | | Description (Translated English) | Precision hot forging of straight bevel gear -- General specifications | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J32 | | Classification of International Standard | 77.140.85 | | Word Count Estimation | 12,188 | | Date of Issue | 2015-12-10 | | Date of Implementation | 2016-07-01 | | Quoted Standard | GB/T 191; GB/T 226; GB/T 228.1; GB/T 231.1; GB/T 1979; GB/T 2822; GB/T 2828.1; GB/T 3077; GB/T 5216; GB/T 6394; GB/T 11365-1989; GB/T 12362-2003 | | 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 requirements, test methods, inspection rules, as well as packaging, handling, storage, marking and other requirements for straight bevel gear forgings (hereinafter referred to as "hot forging") formed by hot precision forging. This standard applies to the teeth of the final use of precision forging process forming straight bevel gear forgings, the quality of �� 20 kg, the end module �� 20mm, tooth diameter �� 250mm. | GB/T 32254-2015: Precision hot forging of straight bevel gear -- General specifications---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.
Precision hot forging of straight bevel gear-General specifications
ICS 77.140.85
J32
National Standards of People's Republic of China
Straight Bevel Gear Precision hot forging general technical conditions
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
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Requirements 1
Test Method 5 6
6 7 inspection rules
7 packaging, handling, storage, marking 8
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.
Drafting of this standard. Jiangsu Pacific Precision Forging Technology Co., Ltd., Shanghai Automotive Transmission Co., Ltd., Beijing Electrical Institute
The study.
The main drafters of this standard. Han Guan Xia, Tao Liping, gold red, Huangze Pei, Zhang Haiying, Zhou Lin, Dong Yi, Xu Ji, Wei Wei, Zhou Xuan, Sun Hua standard.
Straight Bevel Gear Precision hot forging general technical conditions
1 Scope
This standard specifies the tooth portions of hot precision forging straight bevel gear forging (hereinafter referred to as "hot forging") requirements, test methods, inspection
Inspection rules, and packaging, handling, storage, marking and other requirements.
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 191 Packaging - Pictorial signs
GB/T 226 steel macrostructure and defect etching test method
RT Test Method. Test Part 1 GB/T 228.1 metallic materials tensile
GB/T 231.1 metallic materials Brinell hardness test - Part 1. Test methods
GB/T 1979 structure steel macrostructure and defect rating FIG.
GB/T 2822 standard size
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan
GB/T 3077 alloy steel
GB/T 5216 guaranteed hardenability structural steel
GB/T 6394 Determination of average grain size of metal
GB/T 11365-1989 bevel and hypoid gear precision
GB/T 12362-2003 steel die forgings tolerances and machining allowances
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.
4 Requirements
4.1 General provisions
4.1.1 hot forging raw materials used should be ≤0.65% carbon content of carbon structural steel alloying elements or ≤5.0% of the total content of alloy junction
Steel structure, in line with the provisions of GB/T 3077 or GB/T 5216, and other materials may also be used by the demand and supply sides agreed.
4.1.2 hot forging raw material should be accompanied by a certificate of quality of manufactured products, hot forging manufacturing enterprises can be retested technical requirements, its contents
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