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Learn how to dimension cylinders in profile view to avoid confusion, dimension curved features from the datum, and apply key practices for chamfers, fillets, and keyways.
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Dimensioning Standards Part 3
Cylinders Generally dimensioned in profile view • is used to avoid confusion • with a linear dimension.
Curved Features Points are placed along the contour and are dimensioned from the datum. Datum
Reference Dimensions Reference Dimension (..): duplicated or unnecessary, just an “fyi” TYP: Dimension is same for each of these features Feature occurs twice
Chamfers External chamfer for 45 degree chamfers only. There are two options. Internal chamfers. External chamfer for angles other than 45 degrees.
Fillets Rounds Fillets and Rounds
Keyway Keyseat Keyway and Keyseat