Question

A 100 mm thick cast iron disc,? 600, has a hole, ф300, bored in- it so that it moy be press-fited to a position midway along a hollow mild steel shaft 900 mm long with on internal diameter of 200 mm. The centre of the machined hole is 9o mm from the polar oxis of the disc, so thot when fitteo on the shaft it forms an eccentric Determine the moment of inertio ond rodhus of gyration of the assembly about the oxis of rotation of the shaft CL : p-7000 kg/m? M, s : P 7800 kg/m?

Answer 1

length 힝 ghalt 2 'goo mm entennal din 1 m.s (e): 7dvo kg/m3 c.r (0- oo o ok ง//n s ul 6사 disc 4- s ho 2 0 5664¥106+ 6.38X10 63.o2 xomm M)