This part specifies the terms and definitions, classification, models and basic parameters, requirements, inspection, inspection rules, marking, packaging, transportation and storage requirements of the expandable machine head. This section applies to the expansion and contraction heads of radial tire building heads for cars, light-duty trucks, trucks, and engineering machinery. It can also be applied to the expansion and contraction type of tire building heads for other vehicles.
GB/T 13384 General specifications for packing of mechanical and electrical product
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 3190 Chemical composition of wrought aluminium and aluminium alloys*, 2020-03-31 Update