Total Energy Control

Since 1923, Industrial Finishing Systems has been at the pinnacle of powder application technology with its unique charging system "Total Energy Control", which gives automatic control of both current and voltage. Developed by our own R & D department, "TEC" has revolutionized the way we electrostatically apply powder; the benefits are numerous and significant. After four years in production, we believe it's time to recall exactly why our application equipment incorporating "TEC" continues to lead the field in powder coating technology ... worldwide!

"TEC" is used to automatically control the discharge energy of the spray gun depending upon the distance to earth of the gun nozzle, up to a maximum of 85 kV and 50 µA. The maximum current generated is limited to 50 µA, but the current and voltage are reduced automatically as the gun approaches the product. Rather than controlling just the current or the voltage, the operator is able to control energy output from the gun.


Voltage Control

Current Control

In free air, away from the influence of any earthed objects the maximum discharge current will be approximately 20 µA when the discharge potential is set to maximum 85 kV. As the gun is moved from within one metre of the product, to current starts to rise progressively until a threshold of approximately 50 µA is reached. This will normally be at approximately 250 - 300 mm from the product. If the gun is than moved still closer to the product, the discharge current and voltage will progressively reduce, thus preventing overcharging of the power cloud or product surface when the gun is in close proximity to the product. This function is automatically reversible, the discharge current and voltage increasing as the gun is then moved away from the earthed object. This ability to control the output energy of the gun allows the operator to take the gun right in to corners and recesses, and still effectively charge powder at very low electrostatic outputs. High film builds are achieved with superior finishes and no surface disruption, whilst very significant improvements are noted in the ability to re-coat previously coated products.

TOTAL ENERGY CONTROL

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