FIGURE 9.1 below shows a gear drive system - NSC Mechanical Technology Automotive - Question 9 - 2017 - Paper 1
Question 9
FIGURE 9.1 below shows a gear drive system. Driver gear A on the shaft of an electric motor has 30 teeth and mesh with gear B with 40 teeth on a counter shaft. On th... show full transcript
Worked Solution & Example Answer:FIGURE 9.1 below shows a gear drive system - NSC Mechanical Technology Automotive - Question 9 - 2017 - Paper 1
Step 1
9.1.2 Velocity ratio between the input and output shaft
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Answer
The velocity ratio (VR) can be calculated using the formula:
VR=NinputNoutput
From the previous calculations:
Ninput=2300r/min
Noutput≈410.71r/min
Substituting the values:
VR=2300410.71≈0.178
Therefore, the velocity ratio between the input and output shaft is 0.178.
