This standard specifies the technical characteristics of leaf chains for general lifting, the shape of sheaves and connecting rings. Topics include dimensions, interchangeability limits, chain length measurements, pretension and minimum tensile strength. The provisions in this standard do not apply to the combination of 8×8 boards.
GB/T 6074-2006 Referenced Document
ASME B29.8 Leaf Chains, Clevises, and Sheaves*, 2024-04-18 Update
GB/T 1243 Short-pitch transmission precision roller and bush chains,attachments and associated chain sprockets
GB/T 1800.4 Limits and fits Tables of standard tolerance grades and limit deviations for holes and shafts
GB/T 1801 Gemetrical Product Specifications(GPS).Limits and fits.Selection of tolerance zones and fits*, 2009-03-16 Update
GB/T 6074-2006 history
2006GB/T 6074-2006 Leaf chains,clevises and sheaves.Dimensions,measuring forces and tensile strengths