Question

A driver gear with 40 teeth and the speed is 20rev/Min. The gear drives another of gear with 20 teeth. Calculate the speed of the gear with 20 teeth. (show workings)​

Answer 1

Explanation:

In a worm gear, a threaded shaft engages the teeth on a gear. Each time the shaft spins one revolution, the gear moves one tooth forward. If the gear has 40 teeth, you have a 40:1 gear ratio in a very small package. Here's one example from a windshield wiper