Shared Flashcard Set

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THERMAL CUTTING
ARC GOUGING AND PLASMA CUTTING
10
Other
Not Applicable
01/17/2013

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Cards

Term
CAC-A USES AN ELECTRODE MADE OF ______.
Definition
CARBON COATING WITH COPPER
Term
WHY DOES THE CARBON ELECTRODE HAVE A COPPER COATING?
Definition
TO EXTEND ELECTRODE LIFE BY PREVENTING VAPORIZATION OF THE CARBON
Term
WHAT ARE TWO SAFETY CONSIDERATIONS WITH CAC-A
Definition
BLOWBACK OF SPARKS; HIGH PRESSURE AIR; INTENSE ARC REQUIRING A DARKER LENS;
Term
WITH CAC-A THE GOUGE DEPTH IS LIMITED TO...
Definition
THE DIAMETER OF THE ELECTRODE
Term
DESCRIBE THE CAC-A PROCESS
Definition
AN ARC IS ESTABLISHED BETWEEN THE ELECTRODE AND THE BASE METAL THAT MELTS THE METAL. THE HIGH PRESSURE AIR JET REMOVES THE LIQUID METAL.
Term
WHAT MATERIALS WILL CAC-A CUT
Definition
ALL KNOWN METALS
Term
WHAT ARE THE MAXIMUM AND MINIMUM STICKOUT LENGTHS OF THE CARBON WITH CAC-A
Definition
6 INCH MAXIMUM; 2 INCH MINIMUM
Term
WHAT IS THE MINIMUM AIR PRESSURE USED WITH CAC-A?
Definition
70PSI
Term
WITH CAC-A WHERE IS THE AIR FLOW POSITIONED?
Definition
BETWEEN THE METAL AND THE ELECTRODE
Term
WHAT MUST BE DONE TO THE METAL AFTER ANY THERMAL CUTTING METHOD IS USED AND WHY?
Definition
GROUND TO REMOVE OXIDES AND IN THE CASE OF CAC-A, CARBON DEPOSITS
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