The Advanced Workholding Pump was specifically designed for fixture workholding. This efficient 2-stage pump easily stands up to high demand circuits. There are no duty cycle limitations because the VFD (Variable Frequency Drive) protects itself from overheating. The VFD also removes any concerns for international electrical service inputs, offering a full range of options. Electrically efficient by design, the pump uses an electronic digital pressure switch setting for the on-demand function. These features combine to create an extremely low carbon footprint. At the core of the Advanced Workholding Pump is a state-of-the-art rotating group pump. This multi-piston radial pump generates sufficient flow to power multiple fixture circuits. The 5-gallon reservoir supplies 3.5 gallons of usable oil to provide ample volume to actuate more clamping devices and can easily feed 1 to 6 circuits. Save Hundreds on Energy - Only Runs on Demand! Advanced Workholding Pump
What makes the Advanced Workholding Pump so advanced?
First, it uses the latest in premium efficiency electric motor technology - Variable Frequency Drive (VFD) to control its electric motor. What does this do and why is it important? It starts the motor by varying both current and frequency allowing a motor to “spin up” rather than surge when started by a direct motor starter. This reduces the in-rush current and the heat that must be dissipated by a motor starting frequently. It also allows the motor speed to be reduced as it comes close to the projected end-of-run. This is accomplished by analog output from the pump pressure switch that “tells” the VFD control to begin slowing down as it gets close to its set point. This slows the motor from its maximum of 1740 rpm as it approaches the set point of the switch. Older contactor driven pumps are spinning at full rpm when switched off and can often result in pressure “over-runs” as the motor coasts to a stop after the loss of power. Second, it uses the latest technology in electronic pressure switches to communicate directly with the VFD controller to start and stop the motor.
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