Standard No.:	QC/T 481-2005
English Name:	Specifications of crankshaft for vehicle engine
Chinese Name:	汽车发动机曲轴技术条件
Chinese Classification:	T12    Engine body and moving parts
Professional Classification:	QC    Professional Standard - Automobile
ICS Classification:	43.060.10 43.060.10    Engine block and internal components 43.060.10
Issued by:	NTCAS
Issued on:	2005-2-14
Implemented on:	2005-7-1
Status:	valid
Superseding:	QC/T 481-1999
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	120.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of crankshaft for vehicle engine. This standard is applicable to the crankshaft for vehicle engine. 2 Normative References The following normative documents contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions, of any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. GB/T 223 Standard Method for Chemical Analysis of Steel and Iron GB/T 225 Steel - Hardenability Test by End Quenching (Jominy Test) GB/T 228 Metallic Materials - Tensile Testing at Ambient Temperature GB/T 229 Metallic Materials - Charpy Notch Impact Test GB/T 230 Metallic Materials - Rockwell Hardness Test GB/T 231 Metallic Materials - Brinell Hardness Test GB/T 699 Quality Carbon Structure Steels GB/T 1031 Surface Roughness Parameters and their Values GB/T 1184-1996 Geometrical Tolerancing - Geometrical Tolerances for Features without Individual Tolerance Indications GB/T 1348 Spheroidal Graphite Iron Castings GB/T 1801 Limits and Fits - Selection of Tolerance Zones and Fits GB/T 2828.1 Sampling Procedures for Inspection by Attributes - Part 1: Sampling Schemes Indexed by Acceptance Quality Limit (AQL) for Lot-by-lot Inspection (idt ISO 2859-1:1999) GB/T 2829 Sampling Procedures and Tables for Periodic Inspection by Attributes (Apply to Inspection of Process Stability) GB/T 3077 Alloy Structure Steels GB/T 3505 Geometrical Product Specifications (GPS) - Surface texture: Profile Method - Terms, Definitions And Surface Texture Parameters GB/T 4340.1 Metallic Materials - Vickers Hardness Test - Part 1: Test Method GB/T 6394-2002 Metal - Methods for Estimating the Average Grain Size GB/T 9441 Metallographic Test for Spheroidal Graphite Cast Iron GB/T 10561-1989 Steel - Determination of Content of Non-metallic Inclusion - Micrographic Method Using Standard Diagrams GB/T 11354 Determination of Nitrided Case Depth and Metallographic Microstructure Examination for Steel and Iron Parts GB/T 13299-1991 Steel - Determination of Microstructure GB/T 15712-1995 Ferritic-Pearlitic Engineering Steels for Precipitation Hardening from Hot-working Temperature GB/T 19055 Reliability Test Methods for Motor Vehicle Engines JB/T 6729 Internal Combustion Engines-Magnetic Particle Inspection for Crankshafts and Camshafts JB/T 9744 Internal Combustion Engines - Magnetic-Particle Inspection for Parts and Components QCn 29008.13 Automobile Quality Inspection - Assessment Methods for Cleanliness QC/T 637 Test Method for Bending Fatigue of Crankshaft for Vehicle Engine 3 Technical Requirements 3.1 Crankshaft shall be manufactured in accordance with the approved product drawings (hereinafter referred to as "the drawing") and technical documents as established procedure and shall meet the requirements of this standard. 3.2 Crankshaft material

Foreword i 1 Scope 2 Normative References 3 Technical Requirements 4 Test method 5 Inspection Rules 6 Marking, Packaging, Transportation and Storage 7 Quality Assurance