Question
Download Solution PDFA gear having 100 teeth is fixed and another gear having 25 teeth revolves around it, the centre lines of both gears being joined by an arm. How many revolutions will be made by the gear of 25 teeth for one revolution of the arm?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Calculation:
Given:
TA = 25, TB = 100, Speed of arm, y = 1 revolution, Speed of B, NB = 0
|
Activities |
Arm C (y) |
Gear A (NA) |
Gear B (NB) |
|
Arm fixed-gear A rotates though + 1 revolution (i.e. 1 rev. anticlockwise) |
0 |
+1 |
|
|
Arm fixed-gear A rotates through + x revolutions |
0 |
+x |
|
|
Add + y revolutions to all elements |
y |
+y |
+y |
|
Total Motion |
y |
y + x |
|
NB = 0
x = 4
NA = x + y
NA = 4 + 1 = 5
Last updated on Jul 15, 2025
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