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Welding
Info on Welding
25
Agriculture
9th Grade
10/19/2009

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Cards

Term
Arc Welder
Definition
a matchine that produces current for welding
Term
Arc
Definition
is the discharge of electricity through an air space
Term
Weldor
Definition
A person who welds
Term
Electrodes
Definition
flux-coated metal weding rods
Term
Shielded Metal Arc Welding (SMAW)
Definition
Welding Process that uses flux-coated metal welding rods
Term
Arc Welding or Stick Welding
Definition
(SMAW)
Term
Slag
Definition
The Flux and impurities float to the top of the weld to form a layer
Term
Duty Cycle
Definition
the percentage of time that a welder can operate at full capacity
Term
Ampere or amp
Definition
a measure of the rate of flow of current in a conductor
Term
Conductor
Definition
is any material that permits current to move through it
Term
Volt - Voltage
Definition
is a measure of electical pressure
Term
Watt or Wattage
Definition
is a measure of energy available or work that can be done
Term
Transformers
Definition
Cover high coltage and low amperage to low voltage and high amperage
Term
Alternating Current (AC)
Definition
us current that recerses its direction of flow frequently
Term
Generator
Definition
a machine that prduces direst current
Term
Direct Current (DC)
Definition
flows in one direction only in accordance with how the welder is set.
Term
Polarity
Definition
refers to the direction of flow of electricity in the welding circuit
Term
Electrode Holder
Definition
is a spring-loaded device with insulated handles used to grip a welding electode
Term
Gound Clamp
Definition
a spring-loaded clamp attached to an elctrical cable
Term
National Electrical Manufacturers Association (NEMA)
Definition
developed a system to permit manufacturers
Term
End Marking
Definition
Color on the end
Term
Spot Marking
Definition

Color on the bare surface

 

Term
Group Markings
Definition
Thus Electrodes are identified by the colors of their end abd spot
Term
Tensile Strength
Definition
refers to the amount of tension or pull the weld can withstand
Term
Carbon Arc Torch
Definition
a device that holds two carbon sticks and produces a flame from the energy of an electric welder
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