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Arc Welding Fundamentals

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	Date/Time	Made By	Edit Note	Type	Scope
	Aug 1 2010, 2:58 AM EDT	brandon_a_boyer		edit	63 words added
Change: There are two different types of power sources that you'll encounter on a regular basis. They are:Constant Current (CC) - The total welding Current stays the same while the voltage varies.Constant Voltage (CV) - The arc voltage remains constant at the selected setting while the current varies.Different View changes from previous version. (Word count: 339)
	Aug 1 2010, 2:50 AM EDT	brandon_a_boyer		edit	218 words added 2 images added
Change: 60 cycles a second.Each of these types of current have different sub-types that we will eventually discuss. For now the important thing to know is that electricity flows from the positive pole, to the negative one, and that we can use this flow to our advantage. View changes from previous version. (Word count: 277)
	Aug 1 2010, 2:16 AM EDT	brandon_a_boyer	Added intro	edit	57 words added
Change: Arc welding utilizes the heat generated by an electric arc to melt base metals and filler metals.To effectively weld one must understand the physics behind View changes from previous version. (Word count: 58)
	Aug 1 2010, 12:37 AM EDT	brandon_a_boyer		create	No content added or deleted.
Change: Created by brandon_a_boyer Aug 1 2010, 12:37 AM EDT for: no reason given