Comparison of flat belt drive and V-belt drive
Summary:
The main difference between the flat belt drive and the V-belt drive is that the cross section of the flat belt is rectangular and the width is greater than the thickness; the trapezoidal cross section of the V-belt, the side width and thickness are approximately the same.
Comparison Chart
| Flat Belt drive | V-Belt drive |
|---|---|
| It is suitable for moderate power transmission when the distance between the shafts is large. | It is suitable for large power transmission when distance between the shafts is small. |
| There is a chance of slip due to frictional grip between pulley and belt. Hence it is not a positive drive. | There is less chance of slip due to more frictional a grip between belt and pulley. |
| It requires a large space. | Due to compactness, required less space. |
| For the same value of co-efficient of friction, angle of lap and allowable tension the power transmission by the flat belt is less than that of V – belt drive. | For the same value of co-efficient of friction, angle of lap and allowable tension the power transmission by V-belt is higher than that of flat belt. |
| High-velocity ratio may not obtain. | High-velocity ratio may be obtained |
Flat belt drive
Flat belts are mainly used in factories and workshops, in this case, proper power should be used
When the distance between the two pulleys does not exceed 8 meters, it is transferred from one pulley to another.
V belt drive
V-belts are mainly used in factories and workshops, where appropriate power should be used.
When the two pulleys are very close to each other, it passes from one pulley to the other.
