Conceptual map: Metrology - still in Portuguese
This graph presents the main concepts of metrology – for example: measurement, measurement, magnitude, uncertainty, measurement instrument, materialized measurement; Figures: significant, correct and doubtful; Rounding, among others.
The science of using this instrument is to read the text on the box and follow the line that connects the concepts by building the phrase. The font formatting gives the relative importance between the concepts and the direction of the arrows establish the unique meaning that the phrase will make sense.
Conceptual map – Metrology
Tables of tolerances and adjustments – ABNT NBR 6158 – nominal dimensions until 3150mm
numericalvalues of degrees of tolerance – IT standard
axis-basis – fundamental deviations degrees tolerance – standard
hole-basis – fundamental deviations degrees tolerance-standard
Metrology book – tables of standard ABNT NBR 6158 tolerances and adjustments