3. For the following planetry gear train determine the following Sun gear: N2 = 24 teeth, Internal gear connected to drive shaft, 42T Input to Sun gear: w2 = 100 rpm ccw Input to Planet gears: W4 = 240 rpm cw Ring gear: N5 = 52 teeth. a. Determine the planet gear teeth (N4) such that the carrier ouput is w arm = 120 rpm cw. b. Determine the angular velocity of the ring gear ws (units and direction) . Planet pinions, 127 Planet carrier connected to transmission Hoff

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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### Educational Content: Planetary Gear Train Analysis

#### Task:
For the following planetary gear train, determine the following:

**Gear Specifications:**
- **Sun gear:** \( N_2 = 24 \) teeth
- **Input to Sun gear:** \( \omega_2 = 100 \) rpm counterclockwise (ccw)
- **Input to Planet gears:** \( \omega_4 = 240 \) rpm clockwise (cw)
- **Ring gear:** \( N_5 = 52 \) teeth

#### Objectives:
a. Determine the planet gear teeth (\( N_4 \)) such that the carrier output is \( \omega_{\text{arm}} = 120 \) rpm clockwise (cw).

b. Determine the angular velocity of the ring gear \( \omega_5 \) (including units and direction).

#### Diagram Explanation:
The diagram illustrates a planetary gear train, consisting of the following components:

1. **Sun Gear:** Central gear with 24 teeth.
2. **Planet Gears (Pinions):** Illustrated as multiple small gears (each labeled with 12T) that mesh with both the sun and ring gears.
3. **Planet Carrier:** Connects all planet gears and is linked to the transmission.
4. **Ring Gear:** Outer gear connected internally to the drive shaft with 52 teeth.
5. **Arrows and Notations:** Indicate directions of rotations and connections. For example, the ring gear is connected to the drive shaft, while the planet carrier connects to the transmission.

Note: Figure is not to scale.

This analysis helps in understanding the mechanics and functionality of planetary gear systems, commonly used in automotive and industrial applications.
Transcribed Image Text:### Educational Content: Planetary Gear Train Analysis #### Task: For the following planetary gear train, determine the following: **Gear Specifications:** - **Sun gear:** \( N_2 = 24 \) teeth - **Input to Sun gear:** \( \omega_2 = 100 \) rpm counterclockwise (ccw) - **Input to Planet gears:** \( \omega_4 = 240 \) rpm clockwise (cw) - **Ring gear:** \( N_5 = 52 \) teeth #### Objectives: a. Determine the planet gear teeth (\( N_4 \)) such that the carrier output is \( \omega_{\text{arm}} = 120 \) rpm clockwise (cw). b. Determine the angular velocity of the ring gear \( \omega_5 \) (including units and direction). #### Diagram Explanation: The diagram illustrates a planetary gear train, consisting of the following components: 1. **Sun Gear:** Central gear with 24 teeth. 2. **Planet Gears (Pinions):** Illustrated as multiple small gears (each labeled with 12T) that mesh with both the sun and ring gears. 3. **Planet Carrier:** Connects all planet gears and is linked to the transmission. 4. **Ring Gear:** Outer gear connected internally to the drive shaft with 52 teeth. 5. **Arrows and Notations:** Indicate directions of rotations and connections. For example, the ring gear is connected to the drive shaft, while the planet carrier connects to the transmission. Note: Figure is not to scale. This analysis helps in understanding the mechanics and functionality of planetary gear systems, commonly used in automotive and industrial applications.
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