Principles for drawing pressure vessel drawings
1. Principles of View Selection (1) The number of views (including directional views, cross-sectional views, etc.) should be minimized on the premise of clearly representing objects. (2) Avoid using dashed lines to represent the contours and edges of objects. (3) Avoid unnecessary repetition. 2. Drawing principles For processing, assembly, and other needs, each piece of equipment, component, or part should be individually drawn with drawings. The principle of not requiring separate drawings is as follows: (1) National standards, professional standards, and other standard components and purchased parts. (2) For riveted and welded parts with simple structures and whose dimensions, graphics, […]