A round flange bearing is fastened to the machine frame by means of 4 cap screws. The angle made by central axis of bolt 2 and horizontal is θ. Also the radii of flange and pitch circle are a & b respectively. Given: Sum of squares of distance of bolts from axis of tilt is 2a² +b². Determine the angle θ so that the force in the bolt 1 has maximum value.
A. 180’
B. 90’
C. 0’
D. 45’
Answer:A
A round flange bearing is fastened to the machine frame by means of 4 cap screws. The angle made by central axis of bolt 2 and horizontal is θ. Also the radii of flange and pitch circle are a & b respectively. Given: Sum of squares of distance of bolts from axis of tilt is 2a² +b². Determine the angle θ so that the force in the bolt 1 has maximum value.
A. 180’ B. 90’ C. 0’ D. 45’