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What is the main purpose of flat belts in agricultural machinery?
What is the main purpose of flat belts in agricultural machinery?
These are wheels having flat or crowned face used to transmit motion and power.
These are wheels having flat or crowned face used to transmit motion and power.
What is the term for the ratio of the angular velocities of the pulleys?
What is the term for the ratio of the angular velocities of the pulleys?
What is the belt length of a flat belt?
What is the belt length of a flat belt?
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What is the usual material used to make flat belts for agricultural machinery?
What is the usual material used to make flat belts for agricultural machinery?
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What is the term for a power transmission device used to transmit power and motion between two shafts?
What is the term for a power transmission device used to transmit power and motion between two shafts?
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What is the dimension of a flat belt designated by its width and thickness?
What is the dimension of a flat belt designated by its width and thickness?
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Where are flat belts commonly used in agricultural machinery?
Where are flat belts commonly used in agricultural machinery?
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Study Notes
Scope and Application
- This standard establishes specifications and provides technical information for the proper application of flat belts and pulleys for drives in agricultural machinery.
- Flat belts are commonly used where center distances between pulleys are fairly long.
- They are very flexible and can transmit power in quarter twist and crossed drives.
Definitions
- Flat belt: a belt used to transmit rotary motion and power between two shafts, lying flat on the face of its corresponding pulley.
- Flat belt pulley: a wheel with a flat or crowned face used to transmit motion and power by means of flat belts.
- Flat belt drive: a power transmission device used to transmit power and motion between two shafts, consisting of flat belts that ride in flat pulleys.
- Pulley diameter: the outside diameter of the pulley.
- Belt length: the stretched-out length of the belt.
- Speed ratio: the ratio of the angular velocities of the pulleys, making no allowance for slip and creep.
- Belt speed: the linear speed of the belt, calculated by multiplying the rpm and the diameter of the driver pulley, and the value of pi.
Flat Belts
- Dimensions of flat belts are designated by its width (W) and thickness (t).
- Flat belts for agricultural machinery are usually made of rubberized cord and fabric, and reinforced nylon cords.
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Description
This quiz covers the specifications and applications of flat belts and pulleys for drives in agricultural machinery, as outlined in the PAES 302:2000 standard.
