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The shade of the filter plate used in a welding shield depends on what?
The Type of welding you are doing, the brightness of the arc.
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you dont .thats what the flux does.solid core wire needs gas
Totally depends on what the boiler plate is made up of. Normally this data is supplied to the welder operator.
The amount/brightness of light given off by the process used. Shade #4 or 5 when cutting or welding using the Oxy-Fuel process is usually sufficient. Shade #9, 10, or 11 when …stick, MIG, or TIG welding depending of the material being welded and Amperage used. Aluminum reflects more heat and light than most other metals so a darker shade may be called for. TIG welding produces less smoke letting more light escape the weld area, darker shade, possibly. A person whose eyes are sensitive to bright light would probably use a darker shade. I've used shades #9, 10, 11, and 12 when welding. The #12 lens when TIG welding on a ships' propeller using 300 to 400 Amps. Water cooled torch, 5/32" Tungsten. A lot of heat/light was reflected from the surface of the metal. Use as dark a shade that still allows you to see clearly. Remember, the higher the number the darker the shade.
Name the welding processes covered in this chapter which may use a shielding gas to shield the weld area?
Gas Tungsten Arc Welding Gas Metal Arc Welding Flux Cored Arc Welding
To support the molten metal while it is cooling
the welding amperage being used
Welding process that uses both flux core, within the wire, and gas to protect the molten weld pool from contamination.
Depends on the type of material to be welded, the size of the flame, and in my situation slowly deteriorating eyesight. Basically shade 4 or 5 will be adequate. As dark as 6 o…n aluminum. You will be able to tell if you aren't using a dark enough shade as you can get a "flash" ( Like a sunburn on the eyes). Start with a #5 and go from there.
shielded metal arc welding does not required any shielding gas
Arc length, current (amperage,) travel speed, work angle, travel angle.
See preceding question re: Mig welding.
can use argon with almost any material steel is sometimes CO2 or CO2 90% Ar 10% Carbon doesnt ruin steel can actually strengthen it Al and CO2 is a disaster Al will… burn in CO2 Ar is more expensive Helium takes less heat from the weld and makes a better weld but is a LOT more expensive
Unlike nitrogen, which is inert only in a normal temperature range, argon is inert even at very high temperatures. It will not burn.
Any electrode holder that will accommodate the size of rod can be used. Twin Carbon Arc Welding requires a specific holder. Air Carbon Arc Gouging requires a special holder th…at also supplies a stream of air.
bennox is a high carbon steel material so low hydrogen or carbon steel electrodes are recommended