Power Efficiency can save more than just a few pennies! Not all L
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Power Efficiency can save more than just a few pennies! Not all Label Applicators are created equal- White Paper

Power Efficiency can save more than just a few pennies!

We didn’t give much thought to the price of gasoline until it reached over $2 dollars a gallon, now we watch the price per gallon daily. The same theory holds true in regards to the power it takes to run equipment on our plant floor, until now. Take heed, power efficiency can save more than just a few pennies! Not all Label Applicators are created equal and the savings when operating a power efficient unit adds up.

True cost of ownership includes the replacement items, maintenance, downtime, and consumables that the project will use to perform the intended job. It also includes the power to run the system, which is usually thought of as “pennies to operate”. The real cost of power adds up quickly, and even though air is free, compressed air is not.

The cost of power as it relates to the national average cost of electricity is around $0.10 per Kilowatt Hour (2008, US Government, Energy Information Administration). The typical cost for generating compressed air is approximately $0.25 per cubic foot/minute and only represents the energy it takes to run a compressor, not the other factors such as maintenance and alike. Using this information, the annual cost to run the equipment can be calculated and compared.

Generally, label applicators are wipe-on units. Looking at various manufacturers, there is a difference in power consumption that is largely based on the technology used. A brushless DC motor is far more efficient than a comparable stepper motor-based unit. There is over $500 of savings to be had annually when comparing the annual cost of running a motor with a power requirement of 1.5A@115VAC versus 5A@115VAC or above.

Most printer applicator systems are “tamp” or “air-tamp” and require compressed air. The label dispenses from the printer off the label carrier and is positioned onto a vacuumed surface that holds the label in place until it is applied to the substrate. Making efficient use of the vacuum bore size of the cylinder, and using a higher quality of pneumatic components, some manufacturers are able to use less CFM than most others. An average cost savings of over $600 was confirmed when comparing printer applicators using 2.5 CFM verses 5 CFM.

Looking at the cost of ownership in terms of power reveals that pennies do add up, and the manufacturer using a brushless DC motor offers its customers continued savings throughout the life of the unit. For more information on power efficiency and Automated Labeling Products visit www.diagraph.com or call 1-800-722-1125.

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