Question

Three 28-lb rotor disks are attached to a shaft which rotates at 720 rpm. Disk A is attached eccentrically so that its mass center is 0.25 in. from the axis of rotation, while disks Band Care attached so that their mass centers coincide with the axis of rotation. Where should 2-lb weights be bolted to disks Band Cto balance the system dynamically? 4 in in 6 in 4 in in. The placement of added masses is: On B On C in. below shaft in, above shaft.

Answer 1

ii2 n0

OC effedive fana of he knon thal of the delA should be equal lo.zmơ fon th Syyn to be tro Bmanmic balana

マ16 Take momint ut foot o a bo of. 2-1 bual on by -to and add Multplyeaual -미

29 i. The addad mass fo dsk c shoul be plaad ahak th shoft ak 2- The addd mass fon digc B should be pla ad hosshaf at a dis town a of 2%, i