TIG Welder Certification

From Claremont MakerSpace
TIG Welder Certification
Version 0.1.0
Approval Date Draft/NOT APPROVED
Prerequisites
Document/Printout Download (old versions)
For Tools/Shops

Training Check-Off List:

Tool Anatomy
  • Parts of the TIG Welder are properly identified
    • Pressure Regulator
    • Power Switch
    • Control Panel (must read operator’s manual)
    • Ground clamp
    • Torch Selection and Collect Selection
    • Nozzle
    • Tungsten Selection (Recommend ‘E3” for pie bead (Don’t use thoriated tungsten)
    • Grinding Tungsten
Gas Tank Safety
  • Never move the gas tank without the cap on!
  • Always ‘top seat’ tank valve when welding
Materials
  • What Materials may be welded with CMS’s TIG welding machines?
    • Clean Carbon Steel
    • Aluminum Stainless Steel
  • What Materials may not be welded with CMS’s TIG welding machines?
    • Galvanized Metals
Pre-Operation
  • Fully Review Operator’s Manual
  • Clean and secure metal to be welded
  • Personal Protection Gear - safety glasses, welding helmet, welding gloves, welding jacket (or long sleeves!)
  • Do not wear clothing made from synthetic or synthetic blends.
  • No unrestrained long hair and no flowing clothes. Closed-toed shoes are required.
  • Make sure there are no puddles on floor in welding area, particularly around machines and foot pedals.
  • Make sure that the welding area is free of flammable materials.
  • Adjust welding screens to make sure no bystanders can be caught by arc-flash.
  • Regulator:
    • Tank is opened fully (top seated).
    • Depress purge button to start the gas cycle, then adjust the flow-meter or regulator - see individual machine pages for optimal settings.
  • Select proper torch/tungsten and cup
  • Set the machine appropriately for the gauge of steel you will be welding, using the chart on: See page 20 of operator’s manual
Operation
  • Turn on the fume extractor and position the end of the extraction arm near your workpiece.
  • Make sure no bare skin is ever in contact with the workbench or workpiece during welding or while your parts are hot.
  • Clean and sharpen tungsten as needed
  • Hold the torch as appropriate to your weld position and requirements.
  • Treat all work as if it is hot enough to burn you through your gloves.
  • Observe proper duty cycle
Post-Operation
  • Turn off the fume extractor.
  • Turn off the machine (TIG welder).
  • Turn off the gas using the large valve on the cylinder.
  • Disconnect the ground clamp, coil cords and store neatly.
  • Return all tools.
  • Clean the workbench.
  • Sweep up (the floor) after yourself. (Place floor sweeping in a metal container. Insure no flammable material in container)
Lockout/Tagout Procedure
  • Tool unplugged and plug wrapped in safe/visible location, tag filled out and posted, front desk notified.