Cutting by use of rotating axially moving tool – With means to apply transient – fluent medium to work or product
Patent
1997-09-19
1999-09-14
Pitts, Andrea L.
Cutting by use of rotating axially moving tool
With means to apply transient, fluent medium to work or product
405 8, 405 61, 409136, B23B 5106
Patent
active
059512164
ABSTRACT:
A programmable, variable volume and pressure, coolant system regulating the amount of coolant flow to a cutting tool by controlling the speed of a coolant pump, and is comprised of a fluid control unit and an electrical control panel. The fluid control unit includes a pump and a AC pump motor operatively connected thereto. The electrical control panel includes: a power supply; circuit breakers; a computer; a variable frequency drive; control relays; and a junction block for making electrical connections to the control panel. The computer receives signals from the tool and a pressure transducer, and is programmed with information concerning the total flow area of the coolant orifices. Using this information, the computer determines an ideal pump speed, and sends a control signal to the variable frequency drive which in turn determines the pump motor speed. The coolant supply system also includes: a coolant supply line for routing coolant from the pump to the tool; a catch pan for collecting recycled coolant from the tool; a filter for removing impurities from the used coolant; a reservoir for storing coolant; and a return line for routing the recycled coolant to the reservoir and from the reservoir to the pump inlet.
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Litman Richard C.
Pitts Andrea L.
Smith Monica
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