A pair of spur gears with 20° tooth form transmits 1.0-hp. The pinion is mounted on the shaft of an electric motor operating at 3600-rpm. The pinion has 24-teeth and a diametral pitch of 24. The gear has 96-teeth. Determine the gear ratio for this gear pair.
A pair of spur gears with 20° tooth form transmits 1.0-hp. The pinion is mounted on the shaft of an electric motor operating at 3600-rpm. The pinion has 24-teeth and a diametral pitch of 24. The gear has 96-teeth. Determine the gear ratio for this gear pair.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![### Gear Ratio Calculation
**Problem Statement:**
A pair of spur gears with a 20° tooth form transmits 1.0 horsepower (hp). The pinion is mounted on the shaft of an electric motor operating at 3600 revolutions per minute (rpm). The pinion has 24 teeth and a diametral pitch of 24. The gear has 96 teeth.
**Task:**
Determine the gear ratio for this gear pair.
**Solution:**
To determine the gear ratio, you use the following formula:
\[ \text{Gear Ratio} = \frac{\text{Number of teeth on the gear}}{\text{Number of teeth on the pinion}} \]
Given:
- Number of teeth on the pinion (N1) = 24
- Number of teeth on the gear (N2) = 96
\[ \text{Gear Ratio} = \frac{N2}{N1} = \frac{96}{24} = 4 \]
Therefore, the gear ratio for this gear pair is 4:1.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8a28b893-91ec-4064-8fee-f9f0d1fd8200%2F87897706-7074-48c9-880e-4c34f10cd64f%2Fepixp1q_processed.png&w=3840&q=75)
Transcribed Image Text:### Gear Ratio Calculation
**Problem Statement:**
A pair of spur gears with a 20° tooth form transmits 1.0 horsepower (hp). The pinion is mounted on the shaft of an electric motor operating at 3600 revolutions per minute (rpm). The pinion has 24 teeth and a diametral pitch of 24. The gear has 96 teeth.
**Task:**
Determine the gear ratio for this gear pair.
**Solution:**
To determine the gear ratio, you use the following formula:
\[ \text{Gear Ratio} = \frac{\text{Number of teeth on the gear}}{\text{Number of teeth on the pinion}} \]
Given:
- Number of teeth on the pinion (N1) = 24
- Number of teeth on the gear (N2) = 96
\[ \text{Gear Ratio} = \frac{N2}{N1} = \frac{96}{24} = 4 \]
Therefore, the gear ratio for this gear pair is 4:1.
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