TIG weld quality is highly dependent on retaining the shape and excellence of the tungsten tip. Weld start data is vital with automated TIG welding applications. Tungsten life is enhanced with a start ramp up from a low current start point then ramp to the operating current.
The TIG has the following advantages and disadvantages
Advantages
• All metals, all positions
• Easy to mechanize and automate
• High quality welds, low distortion
• Flexibility and ease of heat control
And Disadvantages
• Arc blow sensitive
• Lower deposition rates
• Sensitive to cleanliness and contamination
• Good skills required
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