GB/T 1151-2023 English PDFUS$319.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 1151-2023: Internal combustion engines - Main and connecting rod bearings - Specifications Status: Valid GB/T 1151: Historical versions
Basic dataStandard ID: GB/T 1151-2023 (GB/T1151-2023)Description (Translated English): Internal combustion engines - Main and connecting rod bearings - Specifications Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J92 Classification of International Standard: 27.020 Word Count Estimation: 15,174 Date of Issue: 2023-05-23 Date of Implementation: 2023-12-01 Older Standard (superseded by this standard): GB/T 1151-2012 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 1151-2023: Internal combustion engines - Main and connecting rod bearings - 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.ICS 27:020 CCSJ92 National Standards of People's Republic of China Replacing GB/T 1151-2012 Specifications for main bearing bushes and connecting rod bearing bushes of internal combustion engines Released on 2023-05-23 2023-12-01 implementation State Administration for Market Regulation Released by the National Standardization Management Committee table of contentsPreface I 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Structure and size 2 5 Technical requirements 3 6 Inspection method 7 7 Inspection rules 9 8 Labeling, packaging, transportation and storage 10 Fig: 1 Schematic diagram of bearing pad structure 2 Table 1 Common dimension symbols of bearing bushes 2 Table 2 Bearing Wall Thickness Tolerance, Width Tolerance, Protrusion Tolerance and Surface Roughness4 Table 3 Alloy thickness of bearing pad and tolerance of alloy thickness on the same bearing pad5 Table 4 Fitting degree of the back side of the bearing shell 5 Table 5 Bearing bush free spring tensor 6 Table 6 Symmetry of oil groove and oil hole 6 Table 7 Tolerance of Wall Thickness of Oil Tank Bottom 6 Table 8 Scratch 7 Table 9 Dent 7 Table 10 Hardness testing methods of steel back and alloy 8 Table 11 Inspection Item 9forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting: This document replaces GB/T 1151-2012 "Technical Conditions for Internal Combustion Engine Main Bearings and Connecting Rod Bearings", and is consistent with GB/T 1151-2012 In addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Changed the material requirements (see 5:2, 5:2 of the:2012 edition); b) Change the hardness requirements (see 5:3, 5:2:1 of the:2012 edition); c) Added metallographic structure requirements (see 5:4); d) Changed the dimensional tolerances and shape and position tolerances (see 5:5, 5:3 of the:2012 edition); e) Changed the surface roughness requirements (see 5:6, 5:4 of the:2012 edition); f) Changed the bonding strength requirements (see 5:7, 5:5 of the:2012 edition); g) Changed the appearance quality requirements (see 5:8, 5:6 of the:2012 edition); h) Increased cleanliness requirements (see 5:9); i) The inspection method has been changed (see Chapter 6, Chapter 6 of the:2012 edition); j) The inspection rules have been changed (see Chapter 7, Chapter 7 of the:2012 edition); k) The marking, packaging, transportation and storage have been changed (see Chapter 8, Chapter 8 of the:2012 edition): Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Internal Combustion Engine Standardization Technical Committee (SAC/TC177): This document is drafted by: Kunming Yunnei Power Co:, Ltd:, Shandong Yunnei Power Co:, Ltd:, Guangxi Yuchai Machinery Co:, Ltd: Co:, Ltd:, Shanghai Motor Vehicle Inspection and Certification Technology Research Center Co:, Ltd:, Yantai Dafeng Bearing Co:, Ltd:, Kunming University of Science and Technology: The main drafters of this document: Chen Liqiong, Yuan Honglei, Sun Ridong, Guo Hua, Lu Yintao, Qin Xingnian, Deng Wei, Wang Hailiang, Li Sha, Lei Jilin, Zhang Jin, Yao Guoguo, Liu Jianyong, Su Shengshan, Qin Liming: This document was first published in 1982, revised for the first time in:1993, revised for the second time in:2012, and this is the third revision: Specifications for main bearing bushes and connecting rod bearing bushes of internal combustion engines1 ScopeThis document specifies the structure and dimensions, technical requirements, inspection methods, inspection rules and signs, package Packing, transportation and storage: This document is applicable to reciprocating piston internal combustion engines (except for low-speed engines) with flangeless, thin-walled main Rod bearing bush (hereinafter referred to as bearing bush):2 Normative referencesThe contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: GB/T 191 Packaging, storage and transportation icon marks GB/T 231:1 Brinell hardness test for metallic materials - Part 1: Test method GB/T 1800:1-2020 Product Geometric Specifications (GPS) Linear Dimensional Tolerance ISO Code System Part 1: Tolerance, deviation Basis of difference and fit GB/T 2828:1 Counting sampling inspection procedure Part 1: Batch-by-batch inspection sampling plan retrieved by acceptance quality limit (AQL) GB/T 2829 Periodic inspection counting sampling procedure and table (applicable to the inspection of process stability) GB/T 2889:1-2020 Sliding bearing terms, definitions, classifications and symbols Part 1: Structure, bearing materials and their properties GB/T 3821 Cleanliness limit and determination method of small and medium power internal combustion engines GB/T 4340:1 Vickers hardness test for metallic materials - Part 1: Test method GB/T 4955 Coating Thickness Measurement of Metal Coatings - Anodic Dissolution Coulometric Method GB/T 4956 Magnetic method for measuring the thickness of non-magnetic coatings on magnetic substrates GB/T 6388 Transport packaging receipt and delivery marks GB/T 6462 Microscopic method for measuring the thickness of metal and oxide coatings GB/T 10610 Product Geometric Specifications (GPS) Surface Structure Profiling Method for Assessing Surface Structure Rules and Methods GB/T 12613:4 Rolled sleeves for sliding bearings - Part 4: Materials GB/T 12613:7 Rolled sleeves for sliding bearings - Part 7: Measurement of wall thickness of thin-walled sleeves GB/T 18326 Sliding bearings Multi-layer materials for thin-walled sliding bearings GB/T 27939 Quality control techniques and inspections for geometrical and material quality characteristics of sliding bearings GB/T 30512 Requirements for Prohibited Substances in Automobiles JB/T 9749:1 Internal Combustion Engine Bearings Part 1: Metallographic Examination of Cast Copper-Lead Alloy Bearings JB/T 9749:2 Internal Combustion Engine Bearings Part 2: Specifications for Inspection of Bearings with Precision Electroplated Antifriction Layer QC/T 281 Metallographic standard of copper-lead alloy for automobile engine bearing TB/T 2958 Sliding Bearing Thin-walled Bearing Circumference Inspection ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 1151-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 1151-2023_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 1151-2023_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 1151-2023_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 Sales@ChineseStandard.net. 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 1151-2023?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1151-2023 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. |
