QB/T 1474.2-2023Plotter ruler triangle ruler (English PDF)

What this standard covers

This standard specifies the angles and angle deviations of plotter rulers, line lengths and widths and width differences, flatness deviations, working edge straightness deviations, indication deviations, scale line firmness, limits of removable elements, edges , cutting-edge, appearance quality requirements, describes the corresponding test methods, stipulates inspection rules, marking, packaging, transportation and storage content, and gives product classification to facilitate technical regulations. This standard applies to the design, production, inspection and sales of rigid synthetic resin set squares and metal set squares.

Document data

International classification (ICS): 01.100.40.

Chinese classification (CCS): Y50.

Estimated length of the Chinese original: 11,146 words.