Mathematics · Gears
The following data refers to two meshing gears (the large wheel is a gear and the small wheel is a pinion): Velocity ratio (Pinion/Gear) = 3, Module = 4 mm, Centre distance = 200 mm. Which of the following is correct?
- 1The number of teeth on the large wheel (gear) is 75 and on the small wheel (pinion) is 40.
- 2The number of teeth on the large wheel (gear) is 75 and on the small wheel (pinion) is 25.✓
- 3The number of teeth on the large wheel (gear) is 60 and on the small wheel (pinion) is 25.
- 4The number of teeth on the large wheel (gear) is 60 and on the small wheel (pinion) is 40.
Correct answer
The number of teeth on the large wheel (gear) is 75 and on the small wheel (pinion) is 25.
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