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4. SETTING UP THE WORK PIECE

4.1 Welding positions

There are two basic positions, for welding: Flat and Horizontal. Flat welding is generally easier,

faster, and allows for better penetration. If possible, the work piece should be positioned so that the

bead will run on a flat surface.

4.2 Preparing the Joint

Before welding, the surface of work piece needs to be free of dirt, rust, scale, oil or paint or it will

create brittle and porous welds. If the base metal pieces to be joined are thick or heavy, it may be

necessary to bevel the edges with a metal grinder, the correct bevel should be around 60 degree.

See following picture:

Based on different welding position, there are different welding joint, see following images for more

information.

Содержание ST200i

Страница 1: ...UAL WARNING Read carefully and understand all ASSEMBLY AND OPERATION INSTRUCTIONS before operating Failure to follow the safety rules and other basic safety precautions may result in serious personal...

Страница 2: ...is unit can also perform lift start DC TIG welding on steel and stainless steel materials with the optional TIG Torch 44455 Argon shielding gas along with a regulator gas hose and TIG filler rod would...

Страница 3: ...free from flammable materials Always keep a fire extinguisher accessible to your welding environment Always have a qualified person install and operate this equipment Make sure the area is clean dry...

Страница 4: ...eat your welder Allow proper cooling time between duty cycles Keep hands and fingers away from moving parts and stay away from the drive rolls Do not point torch at any body part of yourself or anyone...

Страница 5: ...ade 10 lens for above 160 Amps use a shade 12 Refer to the ANSI standard Z87 1 for more information Cover all bare skin areas exposed to the arc with protective clothing and shoes Flame retardant clot...

Страница 6: ...dy while welding Wrap MIG gun and ground cable together whenever possible Keep MIG gun and ground cables on the same side of your body Shielding Gas Cylinders Can Explode High pressure cylinders can e...

Страница 7: ...200 Amp DC Duty Cycle 15 200A Suggested Electrode E6013 E7014 E7018 Stainless Steel Electrode Diameter 1 16 inch to 5 32 inch Dimensions 12 x 5 x 9 Weight 9 9 lbs KNOW YOUR WELDER Description The KLUT...

Страница 8: ...Cable and Clamp The ground cable and clamp are attached to the work piece to complete the circuit allowing the flow of current needed to weld Welding Cable and Electrode Holder One end of the cable is...

Страница 9: ...on the bottle of shielding gas and adjust the regulator to approximately 20 CFH Then open the shielding gas valve on the torch to start the flow of shielding gas EXPOSURE TO A WELDING ARC IS EXTREMELY...

Страница 10: ...n on a flat surface 4 2 Preparing the Joint Before welding the surface of work piece needs to be free of dirt rust scale oil or paint or it will create brittle and porous welds If the base metal piece...

Страница 11: ...elding process Heavier and thicker metals required more amperage It is best to practice your welds on scrap metal which matches the metal you intend to work with to determine correct heat setting and...

Страница 12: ...d the electrode perpendicular to the work piece Once the arc is started the angle of the electrode in relation to the work piece should be between 10 and 30 degrees This will allow for good penetratio...

Страница 13: ...sults are easier to achieve The horizontal position it is performed very much the same as the flat weld except that the angle is different such that the electrode and therefore the arc force is direct...

Страница 14: ...hips flying through the air can cause eye injury or injury to other parts of the head hands or exposed portions of the body Wear goggles or safety glasses with side shields and protect the hands and o...

Страница 15: ...dicator Is On The internal temperature is too high Leave power on and let the fan cool the unit Output will continue when the unit has cooled Electrode Holder or ground cable getting hot Output Connec...

Страница 16: ...Page of 18 16 DIAGRAM PARTS LIST...

Страница 17: ...12 2 07 11 016 Potentiometer knob 1 13 1 2 08 01 0204 Welding cable 1 14 1 2 08 02 0232 Ground cable 1 15 2 07 80 026 Switch 1 16 2 07 57 967 Europe type quick socket 2 17 1 1 01 05 2902 Output dead...

Страница 18: ...or Northern Tool Equipment welding carts and welding cabinets This warranty covers the absence of or defective parts 1 year Parts and Labor on MIG gun parts except those listed under normal wear items...