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In a cam drive, it is essential to offset the axis of a follower to
- a)Decrease the side thrust between the follower and guide
- b)Decrease the wear between follower and cam surface
- c)Take care of space limitation
- d)Reduce the cost
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
In a cam drive, it is essential to offset the axis of a follower toa)...
When the motion of the follower is along an axis away from the axis of the cam center, it is called an off-set follower.
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Follower with zero offsets and Follower with offset
If the follower movement is a displacement from the cam centre, then the follower is called an offset follower, offsetting results in reduced forces and stresses.
The offsetting eccentricity should be in the direction to improve force components tending to jam the translating follower in its bearing guide and decrease the wear between follower and cam surface.
Most Upvoted Answer
In a cam drive, it is essential to offset the axis of a follower toa)...
When the motion of the follower is along an axis away from the axis of the cam center, it is called an off-set follower.
Follower with zero offsets and Follower with offset
If the follower movement is a displacement from the cam centre, then the follower is called an offset follower, offsetting results in reduced forces and stresses.
The offsetting eccentricity should be in the direction to improve force components tending to jam the translating follower in its bearing guide and decrease the wear between follower and cam surface.
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In a cam drive, it is essential to offset the axis of a follower toa)...
Explanation:
In a cam drive, the axis of the follower should be offset to decrease the wear between the follower and the cam surface. The following points explain why it is essential to offset the axis of a follower:
Reduced Wear:
Offsetting the axis of a follower helps in reducing wear between the follower and the cam surface. This is because when the axis of the follower is not offset, the point of contact between the follower and cam surface remains the same throughout the motion cycle. This results in a concentrated wear pattern on the cam surface, which can lead to premature failure of the cam drive mechanism.
Increase Efficiency:
Offsetting the axis of the follower can increase the efficiency of the cam drive mechanism. This is because it reduces the frictional losses between the follower and cam surface. When the axis of the follower is offset, the point of contact between the follower and cam surface changes throughout the motion cycle. This helps in distributing the wear and reducing the frictional losses.
Decrease Side Thrust:
Offsetting the axis of the follower can also help in decreasing the side thrust between the follower and guide. This is because when the axis of the follower is offset, the follower moves in a circular path, which helps in reducing the side thrust between the follower and guide.
Conclusion:
In conclusion, offsetting the axis of the follower is essential in a cam drive mechanism to reduce wear between the follower and cam surface, increase efficiency, and decrease side thrust between the follower and guide.
In a cam drive, the axis of the follower should be offset to decrease the wear between the follower and the cam surface. The following points explain why it is essential to offset the axis of a follower:
Reduced Wear:
Offsetting the axis of a follower helps in reducing wear between the follower and the cam surface. This is because when the axis of the follower is not offset, the point of contact between the follower and cam surface remains the same throughout the motion cycle. This results in a concentrated wear pattern on the cam surface, which can lead to premature failure of the cam drive mechanism.
Increase Efficiency:
Offsetting the axis of the follower can increase the efficiency of the cam drive mechanism. This is because it reduces the frictional losses between the follower and cam surface. When the axis of the follower is offset, the point of contact between the follower and cam surface changes throughout the motion cycle. This helps in distributing the wear and reducing the frictional losses.
Decrease Side Thrust:
Offsetting the axis of the follower can also help in decreasing the side thrust between the follower and guide. This is because when the axis of the follower is offset, the follower moves in a circular path, which helps in reducing the side thrust between the follower and guide.
Conclusion:
In conclusion, offsetting the axis of the follower is essential in a cam drive mechanism to reduce wear between the follower and cam surface, increase efficiency, and decrease side thrust between the follower and guide.
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