Question
The height (in mm) for a 125 mm sine bar to measure a taper of 27°32’ on a flat work piece is __________ (correct to three decimal places).
Answer :
57.78
θ = 27°32’ = 27 + 32/ 60 = 27.533°
In sine bar, sin θ = H/L
sin27.533° = H/125
H = 57.7824 ≈ 57.78
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