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selecting and using arc welding equipement
unit 25 vocab
15
Agriculture
9th Grade
10/19/2009

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Term
Arc Welder
Definition
a machine that producers current for welding
Term
weldor
Definition
a person who weilds
Term
shielded metal arc welding
Definition
by buring the flux
Term
Arc
Definition
the discharge of electicty through an air space
Term
electrode
Definition
a metal welding rod coated with flux and used with electric welder
Term
arc welding
Definition
see shielding metal arc welder
Term
slag
Definition
the flux & imputerites float to the top of the weld to form a layer.
Term
duty cycle
Definition
the % of time that a welder can operate without over heating.
Term
ampere
Definition
the measure of the rate of flow of a current conducter.
Term
conducter
Definition
material that permits current to moe through it.
Term
volt
Definition
measure of electrical prussure.
Term
watt
Definition
meaure of energy availble or work that can be done
Term
transformers
Definition
convert high voltage and low amaperage to low voltage
Term
alternating current
Definition
current that reverses its direction of flow frequently
Term
generator
Definition
flows direction only in accodance with how the welder is set.
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