Theory of Machines: Unit III: Friction in Machine Elements

Types of belts

Friction in Machine Elements - Theory of Machines

Based on the shape of cross-section of the belts, belts are classified as flat belts, V-belts and ropes, as shown in Table 8.1.

TYPES OF BELTS

Based on the shape of cross-section of the belts, belts are classified as flat belts, V-belts and ropes, as shown in Table 8.1.

Table 8.1. Types of belts

1. Flat Belts


• Flat belts are of rectangular cross section, as shown in Fig.8.2.

• It is used to transmit moderate amount of power.

• Distance between the two pulleys: Less than 10 metres.

• Applications: Factories, workshops, coir mills, flour mills, etc.

2. V-Belts


• V-belts are of trapezoidal cross-section, as shown in Fig.8.3.

• V-belt is more compact, quiet, shock absorbing and positive drive.

• It is also used to transmit moderate amount of power.

• Distance between the two pulleys: Less than 5 metres.

• Applications: Wet grinders, lathes, factories, etc.

3. Ropes (or Circular Belts)

• Ropes are circular in cross-section, as shown in Fig.8.4.

• It is used to transmit more power.

• Distance between two pulleys: More than 10 metres (upto a maximum of 30 metres).

• Applications: Factories, mining, hauling, sewing machines, etc.




Theory of Machines: Unit III: Friction in Machine Elements : Tag: : Friction in Machine Elements - Theory of Machines - Types of belts


Theory of Machines: Unit III: Friction in Machine Elements



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