This standard specifies general requirements for modeling using Unigraphics engineering software (hereinafter referred to as UG), and stipulates basic requirements for modeling aircraft shapes, sheet metal parts, machined parts, and forged castings. This standard applies to the use of UG engineering software for component design.
HB 7773-2005 Referenced Document
GB/T 16656.1 Industrial automation systems and integration.Product data representation and exchange.Part 1:Overview and fundamental principles*, 2008-08-06 Update
GB/T 324 Weld symbolic representation on drawings*, 2008-06-26 Update