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Copy of Componets of the Mig Welding operation

Welding componets

Travis Hall

on 17 January 2013

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Transcript of Copy of Componets of the Mig Welding operation

Go over each part of a Mig welding gun. Power pin tip. Primary power source Componets of Mig Welding Application AC Primary
Dc Secondary
To the proper current and Voltage to maintain a Welding Arc/ Electrical reference synergic machines Products in the Mig Welding Application Power Supply Shielding Gas Cylinder and Regulator Nozzle Tip In mig you will have your power supply which converts primary power from an outside elctrical source to usuable power at the proper current, and voltage to maintain a welding arc. When the trigger is pulled the wire will feed, gas will flow, and then an electrical arc will be created from the negative work piece to the electrically charged electrode coming out of the Mig gun.
During welding, inert shielding gas is dispensed from the cylinder
Enhancing arc performance
Shielding the weld from contaminants
Today many different combiantons of gas are used depending on what you are welding, what you are willing to spend, and what type of quality is required.
The Regulator
Controls the gas flow, the amount of gas needed will vary.
Work Clamp
Is you negative/ground, which you want to have a nice clean secure connection for the best welds. There are many different types of nozzles. From preference to funtion.
Ones with inserts, threaded/fixed nozzles.
Stick out, and recessed Liners Unicable The Mig welding cable consists of a rubber jacket/housing, with copper strands and a specified amount of electrical wires, wrapped around and inside core tube. There are two different kinds as seen above (Hytrel white) (Black weaker plaster). The core tube tubing has two purposes; to house, and protect the liner, and to carry the gas to the front end of the gun The amount of copper is differnt depending on the amperage you are welding. The higher the amperage the more copper there will be to allow for better electrical flow. The copper strands are what carry the electrical current from the power source that electrically charge the tip, and then the wire. The wires that are in the gun connect to the trigger switch and then to the control plug on the back end. Most manufactures provide more than two, in case one gets damaged. The amount of electrical energy flowing through something Hytrel vs Rubber Hytrel is much stronger material, has better impact and kink resistant, seals better around the parts to prevent gas leakage, and alows the liner and wire to be fed easier through the gun. Diffuser The diffuser threads onto or into the gooseneck, and directs the shield gas that has gone through the gun to proctect the weld. It also holds the tip, and lots of tims the nozzle too. Amperage what is it? Control Plug Pretty much every power pin besides, a Euro, and a Bernard style power pin need some sort of control plug. The control plug is sometimes hardwired in, and other times it can be disconnected. They are connected to the two same wires that your switch/trigger are connected to at the front end. In order for the gun to function you have to plug this into the machine. Gooseneck(Conductor tube) The Gooseneck is usually bent, and the standard is 60 degrees, although many different bends can be made 45, 22, which is more standard on robotic. Goosenecks get alot of abuse and that is why most of them have and protective jacket such as aluminum, or steel to protect them from there other use (a HAMMER). Some goosenecks just have insualtion over the copper but the ones with a heavy duty jacket also have an insualtion to insualte it from the aluminum. Connection Cone nut, and crimp Power Pins The power pin is at the back end of the MIG gun, and it plugs into the wire feeder. This is where the wire feed and power process start. Trigger switches Wire feeder Amperage Over View
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