Cleaning Action

Bill Sommer

• In the Beginning…

Cori Zandstra

• Cleaning Action in Action

Anna Tivol

• Cleaning in the Big Picture

Questions about Cleaning Action

• Can it be used on mild steel?

• Can it be used in the D.C. mode?

• Is it A.C. ONLY?

• Is only used on Aluminum and magnesium?

• And will it clean grease and paint?

No no yes

Once More but Slower…

• Can it be used on mild steel?.............No

• Can it be used in the D.C. mode? …..No

• Is it A.C. ONLY? ………………………Yes

• Is only used on Aluminum and magnesium? …………………………..Yes

• And will it clean grease and paint?.....No

http://www.uncp.edu/home/mcclurem/ptable/aluminum/AL_2_2.jp

Mechanical Means of Removing Oxides

…and rust

…and dirt

…and corrosion.

How is welding aluminum like eating an Oreo?

• Can it be used on mild steel?..............No

• Can it be used in the D.C. mode?.......No

• Is it A.C. ONLY? ………………………Yes

• Is only used on Aluminum and magnesium? ………………………..…Yes

• And will it clean grease and paint?......No

TIG Weld – Magnification

Etch Zone Close-up

Zero Crossover Area

Advanced Squarewave

Balanced AC Wave

Cleaning vs. Penetration

Extended Balance Control

AC Frequency Control

AC Frequency Control

Frequency Adjustment at 60 Hz

Frequency Adjustment at 200 Hz

AC Frequency Control

Frequency: Bead and Cleaning

Arc Shaping

Independent Amperage Control

AC Waveform Selection

Balance

Independent EN and EP current control may optimize the weld bead profile and penetration.