Lab 8.docx - Purpose The purpose of Lab 8 was to learn the importance of gear ratios and gear trains learn the procedure required to select a speed

Lab 8.docx - Purpose The purpose of Lab 8 was to learn the...

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Exercise 1: A. Calculation of gear ratios using the Job Master Trainer. Gear specification/ Part number Gear type Number of Teeth Pitch Diameter Diametrical Pitch Gear ratio for the pair H2472 Spur 72 3 24 3:4 H2496 Spur 96 4 24 L112Y Miter 24 1.5 16 1:1 L112Y Miter 24 1.5 16 H1616R Helical 16 1 16 1:2 H1632 Helical 32 2 16 Speed Gear pair 1 Actual velocity ratio Theoretical velocity ratio N1 N2 5 32 24 32/24= 4/3 96/72= 3:4 7 44 34 44/34= 22/7 96/72= 3:4 9 60 42 60/42= 10/7 96/72=3:4 Speed Gear pair 2 Actual velocity ratio Theoretical
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