Design a shaft and flange for a Diesel engine in which protected type of flange coupling...

 

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Design a shaft and flange for a Diesel engine in which protected type of flange coupling is to be adopted for power transmission. The following data is available for design: Power of engine = 75 kW; speed of engine = 200 r.p.m.; maximum permissible stress in shaft = 40 MPa; maximum permissible twist in shaft = 1° in length of shaft equal to 30 times the diameter of shaft; maximum torque = 1.25 x mean torque; pitch circle diameter of bolts=3 x diameter of shaft; maximum permissible stress in bolts = 20 MPa. a) Show all calculations, draw neat sketches to show failure area (2 points) b) Create a solid model and engineering drawing (2 points) c) Perform FEA on critical parts (2 points) Design a shaft and flange for a Diesel engine in which protected type of flange coupling is to be adopted for power transmission. The following data is available for design: Power of engine = 75 kW; speed of engine = 200 r.p.m.; maximum permissible stress in shaft = 40 MPa; maximum permissible twist in shaft = 1° in length of shaft equal to 30 times the diameter of shaft; maximum torque = 1.25 x mean torque; pitch circle diameter of bolts=3 x diameter of shaft; maximum permissible stress in bolts = 20 MPa. a) Show all calculations, draw neat sketches to show failure area (2 points) b) Create a solid model and engineering drawing (2 points) c) Perform FEA on critical parts (2 points)

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