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2 cards from this section. Quick, good the night before a test.
What is a gear?
Think about machines and how they operate.
What does the term 'module' refer to in gears?
Consider how gear sizes relate to each other.
What type of gear profile is the most commonly used?
Think about what you'll find in most machines.
True or False: Backlash is the clearance between mating gear teeth.
Consider how gears must interact.
A gear train consists of a spur gear with 20 teeth driving a helical gear with 40 teeth. What is the gear ratio?
Use the formula: Gear Ratio = Number of teeth on driven gear / Number of teeth on driving gear.
Explain how the structure of a gear train affects the system's overall efficiency.
Think about how power flows through a system of gears.
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