Advanced Trends in Industrial V Belts

V belts are play a major role in everyone’s life. Cannot believe it? Well, believe it. They are used almost everywhere starting from a simple water pump or a vehicle to a huge industrial machinery. V belts are used almost everywhere an engine is used to transmit power from the engine to the other parts. They get their name from the V shaped cross section that these belts possess, which allows them to sit perfectly on the pulley without falling. The industrial V belts in India where initially of one type – a classic V belt, but as time passed the requirements changed and different types of V belt were made available for different types of machinery with different requirements. The different types of industrial belts in India are described below:

Classic V Belt:

Although most of the V belts available today are improvisations of this belt, the classic V belt has not lost its popularity. They exhibit high durability and are generally used with classical drives and high torque drives on light and heavy industrial machinery and even automotive machinery.

Classic Cogged V Belts:

Made from rubber impregnated cross woven cotton polyester fabric, these classic cogged V belts have moulded cogs present on the inner side. These cog provide better flexibility when compared to the classic V belts. They are also responsible for the uniform stress distribution and superior heat dissipation. The rubber used in the construction of these belts are fibre filled Polychloroprene compression rubber. The cable cord of the classic cogged V belts are usually made of low stretch high modulus adhesive activated stiff polyester, which helps in resisting static and stress loads.

Double Angle V Belts:

The double angle V belts have a special cross section that have been designed specifically for reverse bend serpentine drive. This special cross section allows the belt to be positioned properly in the pulley groove, even if it is an extreme reverse-bend drive. This gives the double angle V belts longer service life.

Wedge V Belts:

The Wedge V belts have become more popular than the classic V belts, as they require only thirty three percent of the space needed by a classic V belt. They have a high HP power rating and are anti- static. The Wedge V belts used for multiple drives maintain their superior uniformity even under tension and they remain perfectly matched even after long periods of storage. The Wedge V belts are also resistant to heat and oil.

Classic Banded Belts:

The classic banded belts are usually permanently matched sets. Due to their superior construction design, they can be used even on horizontal drives and do not require deep pulley groves for a perfect match. Even on horizontal drives, the classic banded belts do not twist, spin, or jump-off the pulley. They can withstand extreme shock loads. The classic banded belts are usually used in crushers and compressors.

Variable speed V-belts:

The variable speed V belts, also known as V/S belts have a series of moulded cogs on the cord, which provides maximum flexibility and optimum fit. These belts are oil resistant and anti-static. They are made of special textile fibres which is spread along the length of the belt. These fibres are responsible for maximum stability and minimizes deflection, even during heavy power transmissions.

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