Gears and Gear Ratios

Front

What is a gear ratio?

Back

The ratio of the number of teeth on two gears that are meshed together, indicating how many times one gear turns in relation to the other.

Front

How do you calculate gear ratio?

Back

Gear Ratio = Number of teeth on driven gear / Number of teeth on driver gear.

Front

What happens when the input gear is smaller than the output gear?

Back

The output gear turns slower but with increased torque.

Front

What is the function of the driver gear in a gear train?

Back

The driver gear is the gear that provides the input motion to the system.

Front

What is the function of the driven gear in a gear train?

Back

The driven gear is the gear that receives motion from the driver gear and produces output.

Front

If you want to increase speed in a gear system, what type of gears should you use?

Back

Use a smaller driver gear and a larger driven gear.

Front

What is torque in the context of gears?

Back

Torque is the rotational force produced by a gear, which can be increased by using larger gears.

Front

What is the relationship between speed and torque in gears?

Back

Generally, increasing speed results in decreased torque and vice versa.

Front

What does it mean if a gear train has a gear ratio of 1:1?

Back

Both gears have the same number of teeth, resulting in equal speed and torque.

Front

What is an idler gear?

Back

An idler gear is a gear that transmits motion between the driver and driven gears without changing the gear ratio.