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when refering to tig welding, tig stands for Tunsten Insert Gas
produces extremely straight and even welds
If it can be welded it can probably be TIG welded. Exceptions would be metals with a low melting temperature ie: lead, tin, zinc etc.
I wouldn't call TIG unique as it was developed to replace Oxy-Acetylene welding. Basically you use a heat source to melt the base metal and either fuse or add filler to complete the weld. TIG, originally called Heliarc (Helium - electric arc), was developed sometime around WWII to weld Aluminum. Helium was used to protect the molten puddle. Since then Argon has become the primary gas sometimes mixed with Helium. Almost any type of metal can be welded with the TIG process. Except for fuse welding it is a two handed operation whereas MIG and stick welding can be performed single handed. One thing that is unique is that with the addition of a foot pedal you can control the Amperage as you weld. many planes were produced here at Wright with gas welded Aluminum most was done with Hydrogen Oxygen torch taking care to have a reducing flame
providing that you have the proper tig welding equipment (torch,tungsten and inert gas) it is simply switching the polarities on the welding machine. the lead to the torch will be negative and the ground will be positive this is called straight polarity,this application will work with most metals except aluminum which requires a high frequency welding machine A couple of things a home built TIG machine will not have. 1) High frequency start - you will have to scratch start which could leave tungsten contamination in the weld 2) Remote control - one of the nice things about most TIG machines is the ability to adjust the power/heat on the fly. 3) Gas solenoid valves - TIG is usually done with pure Argon gas. This is probably the most expensive shielding gas in normal use. As a result, its usually nice to shut if off. TIG machines have solenoids that do that with timers that shut the gas flow off after a few seconds. I would highly recommend you search "craigslist" for a used Miller TIG. Miller because you can still get parts for them if necessary (I have a 30year old unit going strong!). Just be aware they tend to be heavy with large copper coiled transformers inside. From a cost standpoint, the regulator, gas bottle, torch etc. could set you back $500. An old Miller Dialarc HF is probably that much ready to run (HF = High Frequency starting circuit).
tig welding
Do you mean Tig welding?
when refering to tig welding, tig stands for Tunsten Insert Gas
No Unless you have a newer model welder that is CC & CV, and then they do not do aluminum unless you get into the high end inverter models. Wire welding uses the CV (constant Voltage) and tig is CC (constant current)
It does not cost anything to get a job in tig welding. There are many companies that are hiring an experienced tig welder. You can find many of them online.
TIG welding, i.e. tungsten inert gas (TIG) welding, is primarily used in the aerospace industry. Thus TIG welder would typically find employment there.
Miller TIG system are well used systems. The Miller TIG systems are used for welding, calculating the costs of welding and materials, and showing how to weld.
what kind of tig to use for 606 steel
Xtreme 4x4 - 2001 TIG Welding 101 was released on: USA: August 2011
TIG welding uses Argon.
Gas, arc, mig and tig.
It depends on what you are welding. If you are doing welding on mild steel go with MIG welding; if it is aluminum or stainless steel then use TIG welding. TIG welding gives a nice looking finish. If you just want to get a decent look, then MIG is preferable and easy.