5. A timing belt for power transfer should be used at a velocity ratio of one-third, so that the outgoing speed should b

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5 A Timing Belt For Power Transfer Should Be Used At A Velocity Ratio Of One Third So That The Outgoing Speed Should B 1 (32.49 KiB) Viewed 49 times

5. A timing belt for power transfer should be used at a velocity ratio of one-third, so that the outgoing speed should be three times as high as the incoming speed. The material for the belt reinforcement can be chosen from glass fiber, carbon fiber, and steel wire. These materials give different belt densities as well as different tensile strengths. The glass fiber reinforced belt has a density of 1400 kg/m and an allowable stress of 300 MPa. The carbon fiber reinforced belt has a density of 1300 kg/m' and an allowable stress of 600 MPa. The steel wire reinforced belt has a density of 2100 kg/m and an allowable stress of 400 MPa. Calculate the maximum power for each belt type if the belt speed is 30 m/s, the belt cross- section size is 50 mm and the safety factor is 10.