Weldclass WC-210MST, Руководство по эксплуатации

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Weldforce 210
MST
& 250
MST
© Weldclass 2020 | E.&O.E. 5
11.4 Position of MIG Torch ................................................................................................................... 52
11.5 Distance from the MIG Torch Nozzle to the Work Piece .............................................................. 52
11.6 Travel Speed ................................................................................................................................. 52
11.7 MIG Welding (GMAW) Variables .................................................................................................. 53
11.7.1 Preselected Variables ........................................................................................................... 53
11.7.2 Primary Adjustable Variables ............................................................................................... 53
11.7.3 Secondary Adjustable Variables ........................................................................................... 53
11.8 Establishing the Arc and Making Weld Beads .............................................................................. 55
11.9 MIG Voltage & Wire Speed Settings ............................................................................................. 55
11.9.1 Setting Wire Speed/Amperage ............................................................................................ 55
11.9.2 Setting Voltage ..................................................................................................................... 55
11.9.3 Changing to a different welding wire ................................................................................... 55
11.9.4 How to determine correct Wire Speed/Voltage Setting ...................................................... 56
11.10 Suggested Settings for Typical MIG Applications ..................................................................... 56
11.11 Welding wire Size Selection ..................................................................................................... 56
11.12 MIG Welding Troubleshooting ................................................................................................. 57
11.12.1 Porosity Problems ................................................................................................................ 57
11.12.2 Wire Feed Problems ............................................................................................................. 58
11.12.3 Weld Quality Problems ........................................................................................................ 59
12 STICK (MMA) BASIC WELDING GUIDE .............................................................................................. 61
12.1 Size of Electrodes ......................................................................................................................... 61
12.2 Storage of Electrodes ................................................................................................................... 61
12.3 Electrode Polarity ......................................................................................................................... 61
12.4 Effects of Stick (MMA) Welding on Various Materials .................................................................. 61
12.4.1 High Tensile and Alloy Steels ................................................................................................ 61
12.4.2 Manganese Steels ................................................................................................................ 61
12.4.3 Cast Iron ............................................................................................................................... 61
12.5 Types of Electrodes ...................................................................................................................... 62
12.5.1 MILD STEEL: ......................................................................................................................... 62
12.5.2 CAST IRON: ........................................................................................................................... 62
12.5.3 STAINLESS STEEL: ................................................................................................................. 62
12.6 Suggested Settings for Typical Stick (MMA) Applications ............................................................ 62
12.7 MMA Welding Techniques ........................................................................................................... 63
12.7.1 A Word for Beginners ........................................................................................................... 63
12.7.2 The Welder ........................................................................................................................... 63
12.7.3 Striking the Arc ..................................................................................................................... 63
12.7.4 Arc Length ............................................................................................................................ 64
12.7.5 Rate of Travel ....................................................................................................................... 64
12.8 Making Welded Joints .................................................................................................................. 65