GMAW

What is GMAW.

• GAS

  MIG

  ARC

  WELDING

• GAS

  METAL

  ARC

  WELDING

• GAS

  MATTER

  ARC

  WELDING

• GAS

  MINI

  ARC

  WELDING

WHAT ARE THE 3 TRANSFER METHODS OF GMAW?

• SHORT CIRCUIT

  GLOBULAR

  SPRAY

• MIG

  STICK

  TIG

• COLD MIG

  FAST MIG

  HOT MIG

WHAT IS GAS FLOW MEASURED IN?

• PSI

• CFH

• OXY

WHAT IS THE MAIN DIFFERENCE IN THE 3 TRANSFER METHODS?

• POLARITY

• GAS

• VOLTAGE

WHICH TRANSFER METHOD USES 100% CO2

• SHORT

  CIRCUIT

• SPRAY

• GLOBULAR

WHAT POLARITY IS UTILIZED IN GMAW? (EVEN WITH ALUMINUM)

• DCEN

• DCEP

• DCAC

(WFS) WHEN USING THICKER WIRE YOUR WIRE FEED SPEED SHOULD?

• DECREASE

• INCREASE

• STAY THE SAME

• CHANGE MACHINES

WHAT GAS SHOULD BE USED IN SHORT CIRCUIT MIG?

• 75% ARGON

  25%CO2

• 75% CO2

  25% ARGON

• 1000% CO2

IF SWITCHING TO ANOTHER WIRE SIZE YOU NEED TO CHANGE WHAT ON YOUR MACHINE?

• THE

  MACHINE

• CONTACT TIP

  &

  ROLLERS

• THE GAS

• NOTHING!

WHEN USING THINNER WIRE YOUR WIRE FEED SPEED SHOUL?

• INCREASE

• DECREASE

• STAY THE SAME

• BUY A NEW MACHINE