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GB/T 23340-2018: Internal combustion engines -- Connecting-rods -- Specification
Status: Valid GB/T 23340: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23340-2018 | English | 279 |
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Internal combustion engines -- Connecting-rods -- Specification
| Valid |
GB/T 23340-2018
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| GB/T 23340-2009 | English | 479 |
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Internal combustion engines -- Connecting-rods -- Specification
| Obsolete |
GB/T 23340-2009
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PDF similar to GB/T 23340-2018
Basic data | Standard ID | GB/T 23340-2018 (GB/T23340-2018) | | Description (Translated English) | Internal combustion engines -- Connecting-rods -- Specification | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J92 | | Classification of International Standard | 27.020 | | Word Count Estimation | 14,192 | | Date of Issue | 2018-02-06 | | Date of Implementation | 2018-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 23340-2018: Internal combustion engines -- Connecting-rods -- 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.
Internal combustion engines - Connecting-rods - Specification
ICS 27.020
J92
National Standards of People's Republic of China
Replacing GB/T 23340-2009
Internal combustion engine connecting rod technical conditions
2018-02-06 released
2018-09-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 technical requirements
4 test methods 4
5 inspection rules 7
6 logo, packaging, transportation, storage 7
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 23340-2009 "internal combustion engine connecting rod technical conditions."
This standard compared with GB/T 23340-2009, the main technical changes are as follows.
--- Modified internal combustion engine forged steel link range description (see Chapter 1,.2009 Edition Chapter 1);
--- Increasing the normative references (see Chapter 2);
--- Modify the connecting rod bolts, bushings and other components described (see 3.1,.2009 edition 3.1);
--- Increasing the link rod and connecting rod cover the material used (see 3.2);
--- Modify the link rod and connecting rod cover heat treatment methods and the hardness range (see 3.3,.2009 edition 3.3);
--- Modify 40Cr material performance requirements (see 3.4,.2009 edition 3.4);
--- Increasing the performance requirements of materials such as 50Mn (see 3.4);
--- Modify the representation of the metal macro organization (see 3.5,.2009 version 3.5);
--- Modify the forged steel connecting rod metallographic rules (see 3.6.1 and 3.6.2,.2009 version 3.6);
--- Modify the main parts of the connecting rod and the provisions of the surface roughness (see 3.7,.2009 version 3.7);
--- Modify the surface quality requirements rod (see 3.10.1,.2009 version 3.10.1);
--- Modify the detection of connecting rod hardness provisions (see 4.1.1,.2009 edition 4.1.1);
--- Modify the provisions of the connecting rod mechanical properties of the sample (see 4.2.1.1,.2009 edition 4.2.1.1);
--- Increasing the surface roughness detection equipment (see 4.5);
--- Modify the detection of size tolerance parts and connecting rod head hole center distance detection requirements (see 4.6.1.4.6.2,.2009 edition
4.6.1, 4.6.2);
--- Modify the description of each connecting rod (see 5.1,.2009 version 5.1);
--- Modify the equivalent form of auxiliaries (see 5.2,.2009 edition 5.2);
--- Modify the title of the modifier, delete the contents of the pairing logo (see 6.1.1,.2009 edition 6.1.1);
--- Amend the merger of the box and the box should be marked on the outside of the provisions (see 6.1.2,.2009 version 6.1.2, 6.1.3);
--- Revised the provisions of the total mass of crates (see 6.2.5,.2009 version 6.2.5);
--- Modify the product rust regulations (see 6.4,.2009 version 6.4).
This standard is proposed by the China Machinery Industry Federation.
This standard by the National Internal Combustion Engine Standardization Technical Committee (SAC/TC177) centralized.
This standard was drafted. Yunnan Industrial Instrument Co., Ltd., Chengde Su Ken Galaxy Link Co., Ltd., Shanghai Internal Combustion Engine Research Institute,
Kunming Yunnei Power Co., Ltd., Tianrun Crankshaft Co., Ltd., Shanghai Automotive Group Co., Ltd. Commercial Vehicle Technology Center.
The main drafters of this standard. Ji Huiping, Deng Wei, Zhuhai Qing, Shen Hongjie, Xu Xiaojun, Cong Jianchen, Yang Jianhui, Qiao Liangliang, Huang Yongsheng, Yang Zhendong,
Sun Jun, Zhang Tao, Guan Fangluan, Chen Liqiong, Li Junqiang, Guo Xihua, You Xiaoyang.
This standard was first released in March.2009, this is the first revision.
Internal combustion engine connecting rod technical conditions
1 Scope
This standard specifies the internal combustion engine forged steel connecting rod (including connecting rod body, connecting rod cover, connecting rod bolt, connecting rod nut and connecting rod bushings) technical requirements,
Test methods, inspection rules and signs, packaging, transportation, storage.
This standard applies to reciprocating piston internal combustion engine forged steel connecting rod (hereinafter referred to as "connecting rod") with cylinder diameter not more than.200mm.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
Tensile testing of metallic materials - Part 1. Test methods at room temperature
GB/T 229 Charpy pendulum impact test method for metallic materials
GB/T 230.1 Metallic materials Rockwell hardness test - Part 1. Test methods (A, B, C, D, E, F, G, H, K, N, T standard
ruler)
GB/T 231.1 Brinell hardness test of metallic materials - Part 1. Test methods
GB/T 699 high-quality carbon structural steel
GB/T 1184-1996 Tolerances on shape and position tolerances
GB/T 1958 Geometrical product specifications (GPS) shape and position tolerance testing requirements
GB/T 2828.1 Sampling procedures for inspection - Part 1. Batch inspection sampling plan by acceptance quality limit (AQL)
GB/T 3077 alloy structural steel
GB/T 3821 small and medium power internal combustion engine cleanliness limits and methods of measurement
Tolerances and machining allowances for steel forgings GB/T 12362-2003
Metallographic structure of steel die forgings grading charts and evaluation methods
JB/T 6721.2 Internal combustion engine connecting rods - Part 2. Magnetic particle inspection
JB/T 7292.1 Internal combustion engine bushings connecting rod sleeve technical conditions
Internal combustion engines - Bolts and nuts - Part 2. Technical specifications for connecting rod bolts
JB/T 9764 internal combustion engine winding rod bushing technology
Quality inspection methods for shot peening of steel parts
Explosion linkages for internal combustion engines - Technical specifications
JB/T 12661 Internal Combustion Engine Connecting Rod Fatigue Test Method
3 technical requirements
3.1 General
The connecting rod should be manufactured according to the product drawings and technical documents approved by the prescribed procedures and comply with the provisions of this standard. Connecting rod bolt and connecting rod screw
The mother should be consistent with the provisions of JB/T 7293.2-2010. The small head with bushing structure of the connecting rod, the connecting rod bushings used should be consistent with JB/T 9764
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 23340-2018_English be delivered?Answer: Upon your order, we will start to translate GB/T 23340-2018_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of GB/T 23340-2018_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 23340-2018_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet. Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay. Question 5: Should I purchase the latest version GB/T 23340-2018?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 23340-2018 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.
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