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The power cable is factory installed , in which order phases are connected is irrelevant and does not affect the direction of rotation of cooling fan and coolant pump. Important: Be sure that water cooling unit is filled with coolant before switching machine on. 4.1 MIG/MAG Welding For setting of MIG/MAG welding parameters with the MWS Control see 3.3 above. 4.1.0 Standard Values for MIG/MAG Welding Current Selection 1. MIG welding of butt welds on unalloyed and low-alloy steels Material thickness mm Weld type Groove angle Gap width mm Root face mm Electrode wire 0 mm Welding current A Arc voltage V Number of layers 2 I - 0 2.0 0.8 110 20 1 4 I - 0 4.0 1.2 170 22 1 5 I - 0 5.0 1.6 200 25 1 5 Y 70 0 1.5 1.6 160 22 1 6 Y - 0 6.0 1.6 230 26 1 6 Y 70 0 1.5 1.6 170 22 1 8 Y 70 0 1.5 1.6 1. L 220 2. L 220 26 26 1 2 10 Y 60 0 2.0 1.6 1. L 220 2. L 200 G 230 26 26 1 2 12 Y 60 0 1.5 1.2 1. L 240 2. L 220 G 250 26 26 1 2 Electrode wire: Shielding gas: 1.L: 2.L: G: same material as workpiece Argon first layer second layer back weld 2. MAG welding of fillet welds on unalloyed and low-alloy steel Actual throat mm Welding position Electrode wire 0 mm Welding current A Arc voltage V Number of layers 1.01> f, h 0.8 65 17.0 1 1.01> vd 0.8 65 17.0 1 1.51> f, h 0.8 115 18.0 1 1.51> vd 0.8 115 18.0 1 2.0 f, h 0.8 130 19.0 1 2.0 vd 0.8 100 19.5 1 3.0 h 1.0 215 22.5 1 3.0 vd 1.0 210 21.5 1 4.0 f, h 1.0 220 23.0 1 4.0 vd 1.2 220 20.0 1 4.0 h 1.2 280 28.0 1 5.0 h 1.2 300 29.5 1 5.0 vd 1.2 190 19.5 6.0 h 1.2 300 29.5 1 6.0 vu 1.0 115 17.5 1 8.0 h 1.2 300 29.5 3 8.0 vu 1.0 130 18.5 2 10.0 h 1.2 300 29.5 4 10.0 vu 1.2 165 19.0 2 10.0 h 1.6 380 34.0 3 1) Fillet welds on thin-plate w/o measured dimension "a" Electrode wire: Shielding gas: Welding positions: SG-2/SG-3 mixed gas f = flat h = horizontal vd = vertical down vu = vertical up 3. MAG welding of butt welds on unalloyed and low-alloy steels Material Weld Groove Gap width Welding Electrode Welding Arc Number thickness mm type angle0 mm position wire 0 mm current A voltage V of layers 1.0 I - 0 f, h 0.8 70 18.0 1 1.5 I - 1.0 f, h 0.8 90 17.0 1 2.0 I - 1.0 f 1.0 125 18.5 1 2.0 I - 1.5 vd 0.8 130 18.5 1 3.0 I - 1.5 f 1.0 130 19.0 1 3.0 I - 2.0 vd 1.0 130 19.0 1 4.0 I - 2.0 f 1.0 135 19.0 1 4.0 I - 2.5 vd 1.0 160 20.0 1 5.0 V 50 2.0 f 1.0 R 125 C 200 18.5 21.0 2 5.0 V 50 2.0 vd 1.0 R 130 C 170 18.5 19.5 2 6.0 V 50 2.0 f 1.0 R 125 C 205 18.5 21.0 2 6.0 V 50 2.0 vd 1.0 R 130 C 170 18.5 19.5 2 8.0 V 50 2.0 f 1.2 R 135 F 270 C 270 18.0 27.5 27.5 3 8.0 V 50 2.0 vu 1.0 R 100 C 100 17.0 17.0 2 10.0 V 50 2.5 f 1.2 R 135 F 290 C 290 18.5 28.0 28.0 3 10.0 V 50 2.5 vu 1.0 R 120 C 120 18.0 18.0 2 12.0 V 50 2.5 f 1.2 R 135 2 x F 290 C 290 18.5 28.0 28.0 4 12.0 V 50 2.5 vu 1.0 R 100 F 135 C 135 17.5 18.5 18.5 3 15.0 V 60 1.0 f 0.8 1.2 1.2 R 110 2 x F 270 C 270 21.0 27.0 27.0 4 15.0 V 50 3.0 vu 1.2 R 130 F 160 C 160 18.5 19.5 19.5 3 R = root pass electrode wire: SG-2/SG-3 F = filler pass Shielding gas: mixed gas C = cover pass 4. MAG welding of fillet welds on unalloyed and low-alloy steels Actual throat mm Welding position Electrode wire 0 mm Welding current A Arc voltage V Number of layers 1.001> f, h 0.6 55 20.0 1 1.001> vd 0.6 60 21.0 1 1,501) h 0.9 135 22.0 1 1.751> h 0.8 100 21.0 1 1.751> vd 0.8 90 21.0 1 2.01) h 1.0 175 21.0 1 2.01) vd 0.8 140 23.0 1 2.5 vd 1.0 210 19.0 1 3.0 vd 1.2 190 20.5 1 3.5 h 1.0 230 27.0 1 3.5 vd 1.2 195 20.0 1 4.0 h 1.2 240 24.0 1 5.0 h 1.2 320 32.0 1 1) Fillet welds on thin-plate without measured dimension "a" Electrode wire: SG-/SG-3 Welding positions: f = flat Shielding gas:carbon dioxide h = horizontal vd = vertical down vu = vertical up 5. MAG welding of butt welds on unalloyed and low-alloy steels Material Weld Groove Gap Welding Electrode Welding Arc Number thickness mm type angle ° width mm position wire 0 mm current A voltage V of layers 0.75 I - 0 f 0.8 55 20.0 1 0.75 I - 0 vd 0.9 140 20.0 1 1.0 I - 0 f 0.8 85 19.5 1 1.0 I - 0 vd 0.9 120 21.0 1 2.0 I - 0.3 f 0.9 135 22.0 1 2.0 I - 1.0 f 0.8 80 19.0 1 2.0 I - 1.0 vd 0.8 80 19.0 1 3.0 I - 1.5 f 1.0 100 19.0 1 4.0 I - 1.7 f 1.0 130 20.0 1 4.0 I - 2.0 vd 1.0 130 20.0 1 6.0 V 60 1.7 f 1.2 150 21.0 2 6.0 V 60 1.7 vd 1.2 150 20.0 2 8.0 V 60 1.7 f 1.2 150 21.0 2 10.0 V 60 1.7 f 1.2 150 21.0 3 10.0 V 60 1.7 R = vd C = vu 1.2 150 20.0 2 15.0 V 60 1.7 f 1.2 1.6 1.6 R 150 2 x F 350 C 350 21.0 31.0 31.0 4 15.0 X 60 1.7 vu 1.2 1.2 2x F 150 2xC 150 20.0 20.0 4 15.0 V 60 1.0 vu 0.8 1.0 1.0 R 110 2x F 120 C 120 21.0 22.0 22.0 4 R = root pass F = filler pass C = cover pass Electrode wire: SG-2/SG-3 Shielding gas:carbon dioxide Welding positions: f = flat h = horizontal vd = vertical down vu = vertical up 4.1.1 Installing the Wire Spool Place wire spool onto spool carrier so that wire runs off clockwise. The spool carrier is equipped with a brake, which can be adjusted by means of a hex. socket head cap...

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