When choosing what type of v belt to purchase it is important to consider which style will be best for your application. Classic on-cogged v belts are economical when it comes to the upfront cost, but this does not remain true for long-term and frequent usage. Cogged v belts are designed with slots that run perpendicular to the length of the belt, this design greatly decreases bend resistance of the belt. Because they are dimensionally equivalent minus the slots cogged v belts can run on the same pulleys you are already using for standard v belts. This style of belt is especally useful in high-speed compact drives.
Benefits Of Cogged V Belts
The benefits of using a cogged v belt include longer operational life, cooler running, and around a 2% higher efficiency raring than a standard v-belt.
Cost Savings Analysis Example:
Let's say we are running a 100 horsepower supply air fan motor that is rated at 93% efficient and operates at a consistent load of 75%, and it consumes 527,000 kWh annually. When switching from a 93% efficient (E1) v-belt to a 98% efficient (E2) cogged v-belt, with electricity priced at $0.05/ kWh here's what the savings are and how it is calculated.
Energy Savings= annual energy use x(1 - E1/E2)
= 527,000 kWh/year x(1-93/98)= 26,888 kWh/ year
Annual Savings= 26,888 x $0.05 kWh = $1,345/ annually
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