1240 VoltStandardMIG / MAGLift Arc DC/TIGPlasma CUTStandardMIG / MAGLift Arc DC/TIGPlasma CUTStandardMIG / MAGLift Arc DC/TIGPlasma CUTYEARS Warranty
10Installation set up for MMA (Stick) Welding with UNI-MIG MIG250 MTS (1) Turn the power source on and select the MMA function with the Tig/MMA/Mig s
11MMA (Manual Metal Arc) WeldingOne of the most common types of arc welding is manual metal arc welding (MMA) or stick welding. An electric cur-rent i
12Electrode Size Average Thickness Maximum Recommended of Material Electrode Diameter 1.0 - 2.0mm 2.5mm 2.0 - 5.0mm 3.2mm 5.0 - 8.0mm 4.
13Installation set up for MIG with Gas for UNI-MIG MIG250 MTS(1) Select the MIG function with the Tig/MMA/Mig selector switch. (2) Select Standard
14Continued set up for MIG with Gas for UNI-MIG MIG250 MTS(9) Align the wire into the groove of the drive roller and close down the top roller makin
1525mm 35mm 8mm V Groove Drive Roller - Steel Wire Part Number Description 0.6-0.8V30/22 Drive Roll V Groove 0.6-0.8mm 0.8-1.0V30/22 Drive R
16Wire Installation and Set Up GuideAgain the importance of smooth consistent wire feeding during MIG welding cannot be emphasized enough.The correct
17(2) Set Standard/Spoolgunselector switch to Standard (3) Connect Mig torch (1) Set Tig/MMA/Mig selectorswitch to MigIMPORTANT : When connecting the
18Continued set up for MIG with Gasless wire for UNI-MIG MIG250 MTS(8) Carefully feed the wire over the drive roller into the outlet guide tube, fee
19Mig Torch Liner Installation(1) Lay the torch out straight on the ground and remove the front end parts (2) Remove the liner retaining nut.(3)
2Thank you for your purchase of your UNI-MIG welding machine.We are proud of our range of welding equipment that has a proven track record of innovati
20 Torch & Wire Feed Set Up for Aluminium Wire(1) Lay the torch out straight on the ground and remove the front end parts (2) Remove the liner
21(17) Fit the remaining front end parts to the torch neck ready for welding.Continued Torch & Wire Feed Set Up for Aluminium Wire(10) Loosen off
22Caution:Disconnect the Electrode Holder cable from the machine before using MIG function. If cable is not disconnected welding voltage is present a
23Continued set up of the Spool Gun with UNI-MIG-MIG250MTS(9) Carefully feed the wire over the drive roller into the outlet guide tube, feed through
24MIG (Metal Inert Gas) WeldingDenition of MIG Welding - MIG (metal inert gas) welding also known as GMAW (gas metal arc welding) or MAG (metal activ
25The wire approaches the work piece and touches the work cre-ating a short circuit between the wire and the base metal, because there is no space bet
26Basic MIG Welding .10°wire pointed ahead of bead wire pointed back into beadtravel direction travel direction travel direction(A) Push Technique(B)
27Travel Angle - Travel angle is the right to left angle relative to the direction of welding. A travel angle of 5°- 15° is ideal and produces a good
28Travel Speed - Travel speed is the rate that the gun is moved along the weld joint and is usually measured in mm per minute. Travel speeds can vary
29WELDING WIRE DIAMETER CHART RECOMMENDED WIRE DIAMETERSMATERIALTHICKNESS24 Gauge (.60mm)22 Gauge (.75mm)20 Gauge (.90mm)18 Gauge (1.0mm)16 Gauge (1.2
3CONTENTS PAGEWarranty 2 Technical Data, Product Information 4Safety - Cautions 5-7 Machine Layout Pictogram 8 Installation Operation Cautions 9In
30Caution:Disconnect the Electrode Holder cable from the machine before using MIG function. If cable is not disconnected welding voltage is present a
31LIFT ARC DC TIG Operation for UNI-MIG MIG250 MTSLift Arc ignition allows the arc to be started easily in DC Tig by simply touching the tungsten to t
32DC TIG WeldingThe DC power source uses what is known as DC (direct current) in which the main elec-trical component known as electrons ow in only o
33TIG Welding with Filler Wire TechniqueIt is necessary in many situations with TIG welding to add a ller wire into the weld pool to build up weld re
34Tungsten ElectrodesTungsten is a rare metallic element used for manufacturing TIG welding electrodes. The TIG process relies on tung-sten’s hardness
35Electrode Included Angle/Taper - DC Welding Tungsten electrodes for DC welding should be ground longitudinally and concentrically with diamond wheel
36250A AIR COOLED MIG WELDING TORCH Rating:250A CO² 220A mixed gas EN60974-7 @ 60% duty cycle. 0.8 to 1.2mm wiresSB24 MIG TORCH Torch Model Descrip
37Front end consumables28.0Ø 8.0M6 x 1.0Ø 17.263.5BoreØ 20.0 SB24 Contact Tips Part Number Description PCT0009-06 Contact Tip Steel (0.6mm)
38 Torch Model Description Part Number XcelArc Spool Gun x 6m SPG200II Spare Parts Part Number Description 1 LMZ2017 Speed Adjus
39SPG20011UNI-FLAME UNI-FLAME AUTOLIFTFront end consumables28.0Ø 8.0M6 x 1.0Ø 17.263.5BoreØ 20.0 SB24 Contact Tips Part Number Description PCT00
4MIG/MMA/TIG - 250 Amp DC Welding Machine Lightweight & Portable Welds: Steels, Stainless, Cast Iron, Bronze, Aluminium, CopperTechnical Data Powe
40UNI-FLAME UNI-FLAME AUTOLIFT Torch Model Description Part Number 4m 8m 17V Tig Torch Package c/w 4m Gas Hose 17V-4MCP50 17V-8MCP50 Spare Par
41UNI-FLAME UNI-FLAME AUTOLIFT Torch Model Description Part Number 4m 8m 17V Tig Torch Package c/w 4m Gas Hose 17V-4MCP50 17V-8MCP50 Spare Par
421: Excessive SpatterPossible Reason Suggested RemedyWire feed speed set too high Select lower wire feed speedVoltage too high Select a lower voltage
431: No wire feedPossible Reason Suggested RemedyWrong mode selected Check that the TIG/MMA/MIG selector switch set to MIG positionWrong torch selecto
441: Tungsten burning away quicklyPossible Reason Suggested RemedyIncorrect Gas Check that pure Argon is being usedNo gas Check the gas cylinder conta
458: Arc difcult to start or will not start DC weldingPossible Reason Suggested RemedyIncorrect machine set up Check machine set up is correctNo gas,
461: No arc Possible Reason Suggested RemedyIncomplete welding circuit Check earth lead is connected. Check all cable connections. Wrong mode selected
47 # Part Number Description 1 B2290 TIG/MMA/Mig Switch 2 B22276 Standard/ Spool Gun Switch 3 C02065 - Panel Socket 10-25 4 B20669 Spool
48Welding Guns Of Australia Pty Ltd (‘Us’, ‘We’) warrants that the following products under UNI-MIG, UNI-TIG, UNI-PLAS, UNI-FLAME, TECNA, T&R, HI
49WARRANTY / RETURNS / EXCHANGESWe understand that sometimes you may need to return a product you have purchased from Welding Guns Of Australia PTY L
5SAFETYWelding and cutting equipment can be dangerous to both the operator and people in or near the surrounding working area, if the equipment is not
50WARRANTY EXCLUSIONSThis Warranty covers Material and Faulty Workmanship defects only.This Warranty does not cover damage caused by: • Normal wear a
52PO Box 3033, Lansvale NSW 2166, AUSTRALIA112 Christina Rd, Villawood, NSW 2163Phone: (02) 9780 4200Fax: (02) 9780 4244Email: [email protected]
6Fire hazard. Welding on closed containers, such as tanks,drums, or pipes, can cause them to explode. Flying sparks from the welding arc, hot work pi
7CAUTION1. Working Environment.1.1 The environment in which this welding equipment is installed must be free of grinding dust, corrosive chemica
8FRONT PANEL LAYOUT1. Amperage Meter2. Voltage Meter3. VRD LED4. Wire Inch Button 5. Mig/MMA/Tig Mode Selector Switch6. Wire Feed Adjustme
9INSTALLATION & OPERATIONPlease install the machine strictly according to the following steps.The protection class of this machine is IP21S, so av
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