The requirements for this design project are as follows: a) Calculate the output power. b) Calculate...
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The requirements for this design project are as follows: a) Calculate the output power. b) Calculate the gear reduction ratio. c) Calculate the total efficiency of the gearbox. d) Select, calculate, determine all the gear parameters, module, pitch, number of teeth, diameters, width, pressure angle etc. for all the gears in all the stages. e) Provide the technical drawings of these gears. f) Determine the minimum shaft diameters of all the stages. g) Calculate the reaction forces in the shafts, draw the shear force and bending moment and torque diagrams. Draw the free body diagrams of each stages. h) Design the shafts including all the details, shoulders, grooves, keyways etc. must be shown in the provided technical drawings. Check the critical sections in the shafts by applying stress analysis. i) j) Determine the type and dimensions of the bearings used in each stages. k) Design the keys, provide the material, type, width, height and length of them. 1) Draw the assembly drawing of the gearbox having the correct dimensions found in the design steps. Provide section views in the assembly drawing. m) Specify all the assumptions, approaches etc. you used in the design steps. Do not forget to add a list of references, if necessary. Given Data 1 Input Power Input Speed 3 Output Speed 2 4 5 6 7 8 Number of Stages Type of the gears 1st Stage 2nd Stage Material of the gears 1st Stage (Find the mechanical properties of these materials) 2nd Stage Spur Gear Efficiency Helical Gear Efficieny 9 Bearing Efficiency 3 kW 1000 rpm 200 rpm 2 Helical Helical AISI 1020 CD 20MnCr4 0.96 0.95 0.96 The requirements for this design project are as follows: a) Calculate the output power. b) Calculate the gear reduction ratio. c) Calculate the total efficiency of the gearbox. d) Select, calculate, determine all the gear parameters, module, pitch, number of teeth, diameters, width, pressure angle etc. for all the gears in all the stages. e) Provide the technical drawings of these gears. f) Determine the minimum shaft diameters of all the stages. g) Calculate the reaction forces in the shafts, draw the shear force and bending moment and torque diagrams. Draw the free body diagrams of each stages. h) Design the shafts including all the details, shoulders, grooves, keyways etc. must be shown in the provided technical drawings. Check the critical sections in the shafts by applying stress analysis. i) j) Determine the type and dimensions of the bearings used in each stages. k) Design the keys, provide the material, type, width, height and length of them. 1) Draw the assembly drawing of the gearbox having the correct dimensions found in the design steps. Provide section views in the assembly drawing. m) Specify all the assumptions, approaches etc. you used in the design steps. Do not forget to add a list of references, if necessary. Given Data 1 Input Power Input Speed 3 Output Speed 2 4 5 6 7 8 Number of Stages Type of the gears 1st Stage 2nd Stage Material of the gears 1st Stage (Find the mechanical properties of these materials) 2nd Stage Spur Gear Efficiency Helical Gear Efficieny 9 Bearing Efficiency 3 kW 1000 rpm 200 rpm 2 Helical Helical AISI 1020 CD 20MnCr4 0.96 0.95 0.96
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Answer rating: 100% (QA)
1 Output Power The output power of the gearbox can be calculated using the following equation Output power Input power x Gearbox Efficiency Therefore the output power of the gearbox is Output power 3 ... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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