QUESTION 1 The segment of shaft shown in Figure 1 is made of AISI 1095 annealed steel. The shaft is fine turnedwith a diameter of D=20 mm and with a transverse hole of d=3 mm diameter. The segment as shownis part of a drive shaft for a mixing machine.Under normal operating conditions the shaft segment rotates at 60 rpm and is subject to the followingfluctuating loads: A torque that varies from -120 Nm to +120 Nm once every five seconds; An axial tensile load that v …
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