gear systems and the holding torque required to securely mount a gearbox.
gear systems and the holding torque required to securely mount a gearbox.
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
Related questions
Question
Determine the velocity ratio for compound gear systems and the holding
torque required to securely mount a gearbox.

Transcribed Image Text:Examine the cause of failure and the step taken to correct the problem of a documented case such as the
gear box system in CNC lathe machine where the lathe machine gear box has failed. Also rectify any design
faults in the gear system.
To do this, it is required to determine the velocity ratio for the compound gear systems in the lathe
machine given in Figure 1 and Figure 2.
Output
D
Gear A has 40 teeth
Input
B
Gear B has 200 teeth
Gear C has 80 teeth
Gear D has 200 teeth
Gear E has 20 teeth
Gear Fhas 200 teeth
Figure 1: Compound Gear System
Output
Input
B
Gear A has 100 teeth
Gear B has 300 teeth
Gear C has 60 teeth
Gear D has 120 teeth
Figure 2: Compound Gear System
In addition, it is required to determine the holding torque required to securely mount a gear box in lathe
machine, with the input speed of 2800 (rev/min) clockwise and an output speed 600 (rev/min)

Transcribed Image Text:Output
Input
B.
Gear A has 100 teeth
Gear B has 300 teeth
Gear C has 60 teeth
Gear D has 120 teeth
Figure 2: Compound Gear System
In addition, it is required to determine the holding torque required to securely mount a gear box in lathe
machine, with the input speed of 2800 (rev/min) clockwise and an output speed 600 (rev/min)
anticlockwise. The input power supplied to the gear box is 40 KW and the efficiency is 70%.
At the end, explain the conditions required for a constant velocity ratio between two joined shafts in CNC
lathe machine.
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