UNIT – I
TORSION OF CIRCULAR SHAFTS : THEORY OF PURE
TORSION – DERIVATION OF TORSION
EQUATIONS : T/J = Q/R = N/L – ASSUMPTIONS
MADE IN THE THEORY OF PURE TORSION
– TORSIONAL MOMENT OF RESISTANCE – POLAR
SECTION MODULUS – POWER
TRANSMITTED BY SHAFTS – COMBINED BENDING
AND TORSION AND END THRUST –
DESIGN OF SHAFTS ACCORDING TO THEORIES OF
FAILURE.
SPRINGS: INTRODUCTION – TYPES OF SPRINGS –
DEFLECTION OF CLOSE AND OPEN
COILED HELICAL SPRINGS UNDER AXIAL PULL
AND AXIAL COUPLE – SPRINGS IN SERIES
AND PARALLEL – CARRIAGE OR LEAF SPRINGS