This standard specifies the requirements, inspection methods, inspection rules and markings, packaging, transportation and storage of ductile iron crankshafts for marine diesel engines (hereinafter referred to as crankshafts). This standard applies to the design, manufacturing and acceptance of ductile iron crankshafts for marine medium and high-speed diesel engines with a main journal diameter of 150 mm to 300 mm.
CB/T 3408-2011 Referenced Document
CB/T 3244 Rustproof packaging specifications for marine diesel engine and it's parts
GB/T 1184-1996 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 1348 Spheroidal graphite iron castings*, 2019-12-31 Update
GB/T 1800.2-2009 Geometrical Product Specifications (GPS) Limits and fits--Part 2:Tables of standard tolerance grades and limit deviations for holes and shafts
GB/T 1801-2009 Gemetrical Product Specifications(GPS).Limits and fits.Selection of tolerance zones and fits