Q2) A gear box is to be designed to reduce the input speed of 4800 rpm...
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Q2) A gear box is to be designed to reduce the input speed of 4800 rpm to 30 rpm. Available modules are 5mm, 8 mm and 10 mm and available pressure angles are 20 and 25. The gear box should be as small in size as possible, without having the issue of interference. a) Clearly stating reasons, select appropriate module and pressure angle and design the gear box [7] b) Neatly sketch the drive [2] c) Find the contact ratio between the gears in the stage that has the largest reduction ratio [3] Z = (r + a) (r, cos} + (r + a} (r cos} C sind - Q2) A gear box is to be designed to reduce the input speed of 4800 rpm to 30 rpm. Available modules are 5mm, 8 mm and 10 mm and available pressure angles are 20 and 25. The gear box should be as small in size as possible, without having the issue of interference. a) Clearly stating reasons, select appropriate module and pressure angle and design the gear box [7] b) Neatly sketch the drive [2] c) Find the contact ratio between the gears in the stage that has the largest reduction ratio [3] Z = (r + a) (r, cos} + (r + a} (r cos} C sind -
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Solutions Step No 1 A Appropriate module for the gear box is 8mm at a pressure angle of 25degrees Ex... View the full answer
Related Book For
Shigleys Mechanical Engineering Design
ISBN: 978-1121345317
9th edition
Authors: Richard G. Budynas, J. Keith Nisbett
Posted Date:
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