Strata XM255PRO Instruction Manual
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Strata XM255PRO Instruction Manual

Inverter mig/mma welder, integrated trolley, 250 amp multi process
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  • Page 2: Table Of Contents

    CONTENTS SAFETY INFORMATION ................................................................. OVERVIEW ......................................................................UNPACKING YOUR MACHINE ............................................................MACHINE SPECIFICATIONS .............................................................. KNOW YOUR WELDER ................................................................CONSUMABLES & ACCESSORIES ..........................................................WELDER INSTALLATION ..............................................................MIG WELDING SETUP & OPERATION ........................................................FITTING WIRE SPOOL ..............................................................ADJUSTING WIRE FEED TENSION ........................................................
  • Page 3 GENERAL SAFETY WARNINGS WELDING SAFETY INSTRUCTIONS & WARNINGS SAFETY INFORMATION STORE AND RETAIN THIS MANUAL WARNING Retain this manual for the safety warnings and PROTECT YOURSELF AND OTHERS FROM precautions, assembly, operating, inspection, POSSIBLE SERIOUS INJURY OR DEATH. maintenance and cleaning procedures. Write the KEEP CHILDREN AWAY.
  • Page 4 PERSONAL SAFETY WORK ENVIRONMENT SAFETY ELECTRICITY CAN KILL CAUTION DANGER DANGER Keep the work area well lit. Make sure there Touching live electrical parts can cause fatal Remove any combustible material from the work area. is adequate space surrounding the work area. shocks or severe burns.
  • Page 5 ARC RAYS CAN BURN EYES AND SKIN. DANGER Arc rays from the welding process produce intense heat and strong ultraviolet rays that can burn eyes and skin. Use the following table to select the appropriate shade number for a Welding Helmet or Welding Face Shield. 1.
  • Page 6 FUMES AND GASES FIRE & EXPLOSIVE RISKS SPARKS & HOT METAL WARNING WARNING WARNING Welding produces fumes and gases. Breathing Sparks and spatter fly off from the welding arc. Chipping and grinding causes flying metal, and as these fumes and gases can be hazardous to your The flying sparks and hot metal, weld spatter, welds cool they can throw off slag.
  • Page 7 OVERVIEW MACHINE SPECIFICATIONS Specifications Model Rated Input Power Supply 230-240V 32A AC Single Phase 50Hz No Load Output Voltage 56V (MIG)/ 72V (MMA) MIG Output Current Range 30A-250A MMA/TIG Output Current Range 10A-250A Load Duty Cycle 40% @ 250A MIG Wire Spool Capacity 200 or 300mm Diameter Spool TIG Arc Ignition System Lift TIG (optional TIG Kit Available)
  • Page 8 KNOW YOUR WELDER Function Reference Table Description Description 18 19 LCD Current Meter Wire Feed Switch LCD Voltage Meter Mains Power Switch MMA/TIG Current Spool Gun Enable Switch Adjustment Knob MIG Welding Voltage Mains Power Indicator Lamp Adjustment Knob MIG Wire Feed Speed Overload Indicator Lamp Adjustment Knob Inductance Adjustment Knob...

  • Page 9: Fitting Wire Spool

    4T/2T Trigger Control Switch (Ref. 14) – This switch controls the trigger mode Accessories / Consumables for the MIG torch trigger. 2T mode the trigger is pulled and held on to activate the welding circuit, when the trigger is released, the welding circuit stops. Description Code 4T is known as ’latching’...

  • Page 10: Adjusting Wire Feed Tension

    For flux cored ‘soft’ wire, such as that used in gasless MIG welding, the drive 5. Gas Shielded Welding Operation - MIG (GMAW) roller groove has a serrated profile (knurled). For solid core ‘hard’ MIG wire, the Connect the Work Lead/Clamp Quick Connector to the Negative Welding drive roller groove used has a ‘V’...

  • Page 11: Mma Welding Operation

    MMA WELDING OPERATION Connect the machine to suitable mains power using the Mains Input Power Lead (21). Switch the Mains Power Switch (16) to ON to power up the machine. Connect the Work Lead/Clamp Quick Connector to the Negative Welding Power Output Socket (9) Connect the clamp to the work piece.

  • Page 12: Mig Welding Guide

    Position of MIG Torch (Fig 1-3) MIG WELDING GUIDE The angle of MIG torch to the weld has an effect on the width of the weld. MIG BASIC WELDING TECHNIQUES Two different welding processes are covered in this section (GMAW and FCAW), with the intention of providing the very basic concepts in MIG welding, where a welding gun is hand held, and the electrode (welding wire) is fed into a weld puddle, and the arc is shielded by a gas (GMAW) or flux cored wire (FCAW).
  • Page 13 Distance from the MIG Torch Nozzle to the Work Piece Establishing the Arc and Making Weld Beads The electrode wire stick out from the MIG Torch nozzle should be between Before attempting to weld on a finished piece of work, it is recommended that 10mm to 20mm.

  • Page 14: Mig Welding Troubleshooting

    MIG WELDING TROUBLESHOOTING The general approach to fix Gas Metal Arc Welding (GMAW) problems is to Porosity always stems from some contaminant within the molten weld pool start at the wire spool then work through to the MIG torch. There are two main which is in the process of escaping during solidification of the molten metal.
  • Page 15 MIG WELDING TROUBLESHOOTING (cont.) AAW) Other weld problems can be reduced by checking the following points. Troubleshooting - MIG Weld Quality Fault Cause Remedy Welding arc voltage too high. Decrease voltage or increase the wire feed speed. Incorrect torch angle. Adjust angle.

  • Page 16: Mma Welding Guide

    Flat Position, Down Hand Butt Weld (Fig 1-11) MMA WELDING GUIDE MMA (STICK) BASIC WELDING TECHNIQUES Size of Electrode The electrode size is determined by the thickness of metals being joined and can also be governed by the type of welding machine available. Small welding machines will only provide current (amperage) to run smaller sized electrodes.
  • Page 17 Joint Preparations Corner Weld (Fig 1-19g) In many cases, it will be possible to weld steel sections without any special preparation. For heavier sections and for repair work on castings, etc., it will be necessary to cut or grind an angle between the pieces being joined to ensure proper penetration of the weld metal and to produce sound joints.
  • Page 18 Arc Welding Technique - A Word for Beginners Making Welded Joints For those who have not yet done any welding, the simplest way to commence Having attained some skill in the handling of an electrode, you will be ready to is to run beads on a piece of scrap plate.
  • Page 19 B. Fillet Welds Multi Run Vertical Fillet Weld (Fig 1-26) These are welds of approximately triangular cross-section made by depositing metal in the corner of two faces meeting at right angles. Refer to Figure 1-14, 1-23 and 1-24. A piece of angle iron is a suitable specimen with which to begin, or two lengths of strip steel may be tacked together at right angles.

  • Page 20: Mma Welding Troubleshooting

    MMA WELDING TROUBLESHOOTING Troubleshooting - MMA Weld Quality Fault Cause Remedy Welding current too low. Increase welding current. A gap is left by failure of the weld metal to Electrode too large for joint. Use smaller diameter electrode. fill the root of the weld. Insufficient gap.

  • Page 21: Tig Welding Guide

    PREPARING TUNGSTEN FOR DC ELECTRODE NEGATIVE (DCEN) WELDING TIG WELDING GUIDE TIG Welding is a fusion procedure that uses an electric ARC created between 2.5 x Electrode Diameter (Fig 16-1) an infusible tungsten electrode and base material to be welded. For TIG Grind end of tungsten on fine grit, hard abrasive wheel before welding.

  • Page 22: Tig Welding Troubleshooting

    TIG Welding Parameters for Steel Base Metal DC Current for DC Current for Tungsten Electrode Filler Rod Diameter Argon Gas Joint Type Thickness Mild Steel Stainless Steel Diameter (if required) Flow Rate L/min 35 - 45 20 - 30 Butt / Corner 1.0mm (0.040”) 1.0mm (0.040”) 1.6mm (1/16”)

  • Page 23: Machine Care & Maintenance

    MACHINE CARE & MAINTENANCE Ensure the items are disconnected from the electrical supply and cannot operate accidentally when, servicing or cleaning. The machine does not require any special maintenance; however the user must be aware of the following: • Regularly clean the ventilation slots. •...

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