Learning of Dimension (Leaving Cert DCG): Flashcards
📚Flashcards
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Practise the cards
10 cards from this deck
Appearance of dimension lines
Appearance of dimension lines
Thin, dark, continuous lines with arrowheads
Purpose of dimension lines
Purpose of dimension lines
Show direction and extent of measurement
What are extension lines?
What are extension lines?
Thin, dark, solid lines that extend outward from the object being dimensioned
Gap between extension line & object outline
Gap between extension line & object outline
Approximately mm
Extension line extends beyond dimension line by
Extension line extends beyond dimension line by
Approximately mm
Placement of shorter dimensions
Placement of shorter dimensions
Closer to the object being measured
Leader ending for surfaces/edges
Leader ending for surfaces/edges
Arrow
Leader ending for points/outlines
Leader ending for points/outlines
Dot
Leaders pointing to arcs/circles direction
Leaders pointing to arcs/circles direction
Point towards the centre
Chamfer notation format meaning
Chamfer notation format meaning
'Chamfer ' means units wide, units deep