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User manual Metabo, model MIG/MAG Welding Machine MIG/MAG 301 E

Manafacture: Metabo
File size: 3.17 mb
File name: 7bdb4b6e-9e06-4e45-8809-b2d739be6b9b.pdf

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duty cycle 60 % 60 % 100% duty cycle at 250 A 270 A Mains fuse T 16 A T 20 A Cooling F F Insulation class H H Protection class IP 21 IP 21 IP 21 Wire feed - - 4 roller drive Dimensions (Ixwxh) 1080x423x533 1080x423x533 737x420x240 Weight (with SDV) 130.3 kg 144.1 kg 24 kg Temperature range: operation -10 to +40 °C -10 to +40 °C -10 to +40 °C storage -20 to +70 °C -20 to +70 °C -20 to +70 °C Operating conditions: relative humidity 10-80 % 10 - 80 % 10 - 80 % Recommended welding torch SB 36 SB 36 1.3 Cables Required cross-sections for earth cables. Machine 25 mm2 35 mm2 50 mm2 70 mm2 301 E/300 A up to 5 m up to 20 m up to 30 m 351 E/350 A up to 5 m up to 25 m 2 Description 2.1 E-Series Panel Controls 1 2 3 4 LUM, ELEKTRA BECKUMS fe SDV 301 /351 E • ** ELEKTRA BECKUM DB* INDUSTRIE 351 E \ mam Front View 20 Rear View SDV 301/351 E (viewed from top) 1 - Stepless welding current setting (A A m/min) Sets the welding current stepless from 1 - 20 (min. - max.). For recommended settings see section 2.2. In correlation to the setting of the electrode wire selector switch (pos. 8) the wire feed is automatically set to the optimal speed. Fine tuning is possible with the welding voltage pot (pos. 2) (long or short arc). 2 - Welding voltage fine tuning With this control the automatically computed wire feed speed can be adjusted. The penetration depth can be corrected to + and - (long or short arc) and thus allows for individual fine tuning for position welding or for different material specifications. The 0 position is the optimal point on the characteristic curve. By turning the control towards - corrects into a short arc. Turning towards + corrects into a long arc (to spray arc). 3 - Neon control light 4 - Overload control light 5 - Torch lead connector (Euro-connector) 6 - Mains ON/OFF switch 7 - Earth cable socket 8 - Electrode wire selector switch It is important to always have the correct wire size selected, else the computer can not compute the correct wire feed speed for the electrode wire used. The following constant current characteristics are preprogrammed: steel 0.8; 1.0; 1.2 mm aluminium 0.8; 1.0; 1.2 mm 9 - Weld time setting 0-10 sec. only for stitch (...) and spot weld (.) mode. 10- Backburn timer (FBZ) The correct setting of the backburn timer prevents the electrode wire from sticking to the weldpool and the forming of a drop at the wire tip. Also this control sets the gas post flow time. 11 - Dwell time setting 0-10 sec. only for stitch (...) weld mode. 12 - Touch control switch for wire feed without gas flow (to run electrode wire through torch lead). 13 - Operating mode Settings 1 - 2-step mode Actuating the torch's trigger switch starts the welding process, releasing the trigger switch stops the welding process. 21 Setting 2 - 4-step mode Actuating the torch's trigger switch starts the welding process. A second actuation of the trigger switch stops the welding process. Setting 3 - Spot weld mode Actuating the torch's trigger switch engages the welding process for the time set with pot 9. For each consecutive spot the trigger switch needs to be actuated again. Setting 4 - Stitch weld mode . This welding mode is especially suitable for tacking. Actuating the trigger switch starts the welding process, with the weld time as set with pot 9, and dwell time as set with pot 11. A second actuation of the trigger switch stops the welding process. 14 - Spool carrier with adjustable brake for wire basket 15 - 4-roller wire feed system with tachometer-controlled motor 16- Power supply 17 - Shielding gas supply connector 18 - Socket for SDV power switch control 19 - Socket for 9/24 V supply voltage for SDV PCBs and wire feed motor 20 - Socket for welding current supply to SDV 21 - Supply lead for 9/24 V supply voltage to SDV PCBs and wire feed motor 22 - Supply lead for SDV power switch control 23 - Supply lead for welding current supply to SDV 24 - Cooling fan 25 - Shielding gas cylinder rack 2.2 Recommended Settings All recommended setting were established with fillet welding ( L). 2.2.1 Table of Recommended Settings for MIG/MAG 301 E Material thickness Electrode wire 0 Setting of pot-§ Welding current/A 1.0 mm SG 2/0.8 mm 4 45 A 1.5 mm SG 2/0.8 mm 5.5 70 A 2.0 mm SG 2/0.8 mm 8 100 A 2.5 mm SG 2/0.8 mm 9.5 125 A 3.0 mm SG 2/0.8 mm 11 140 A 4.0 mm SG 2/0.8 mm 15 160 A 1.5 mm SG 2/1.0 mm 4 75 A 2.0 mm SG 2/1.0 mm 5.3 100 A 2.5 mm SG 2/1.0 mm 6.3 125 A 3.0 mm SG 2/1.0 mm 7.3 150 A 4.0 mm SG 2/1.0 mm 10 180 A 1.5 mm SG 2/1.2 mm 3.2 80 A 2.0 mm SG 2/1.2 mm 4.5 110 A 2.5 mm SG 2/1.2 mm 5.6 130 A 3.0 mm SG 2/1.2 mm 6.5 150 A 4.0 mm SG 2/1.2 mm 8 190 A 1.5 mm AL MG 3/0.8 mm 13 75 A 2.0 mm AL MG 3/0.8 mm 16.5 95 A 3.0 mm AL MG 3/0.8 mm 19.5 125 A 1.5 mm AL MG 3/1.0 mm 8.8 77 A 2.0 mm AL MG 3/1.0 mm 10 93 A 3.0 mm AL MG 3/1.0 mm 13.3 120 A 4.0 mm AL MG 3/1.0 mm 14 145 A 1.5 mm AL MG 3/1.2 mm 7.1 75 A 2.0 mm AL MG 3...