Decoding the “Rosetta Stone” of Mechanical Drawing: GB-T 4459.7-1998 and the Visual Language of Rolling Bearings
In the realm of industrial design, a mechanical drawing is not merely an engineer’s “blueprint of thought” but also the “universal language” connecting design, manufacturing, and assembly. Among mechanical components, rolling bearings serve as the “joints” of machinery, and their representation on drawings directly impacts accuracy and production efficiency.In 1998, the China National Institute of Standardization released GB-T …