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EZIMIG185C

INVERTER WELDER

www.strata.co.nz

230V 50HZ 

SINGLE 

PHASE

IGBT 

INVERTER 

TECHNOLOGY

DIRECT 

CURRENT 

OUTPUT

CONSTANT 

CURRENT/

VOLTAGE

SPOOL GUN

CAPABLE

SPIKE/

GENERATOR 

SAFE

INTELLIGENT

PROTECTION 

SYSTEM

IP23 CORROSION 

& SALT SPRAY 

RESISTANT

 

 

IMPORTANT!

To qualify for full 24 month warranty, you must register within 30 days of purchase. See inside for details. 

Read these Opera ng Instruc ons Completely before a emp ng to use this machine. Save this manual and 

keep it handy for quick reference. Pay par cular a en on to the safety instruc ons we have provided for 

your protec on. Contact your distributor if you do not fully understand anything in this manual. 

OPERATING INSTRUCTIONS

LCD 

SCREEN

Summary of Contents for EZIMIG185C

Page 1: ...MPORTANT To qualify for full 24 month warranty you must register within 30 days of purchase See inside for details Read these Opera ng Instruc ons Completely before a emp ng to use this machine Save this manual and keep it handy for quick reference Pay par cular a en on to the safety instruc ons we have provided for your protec on Contact your distributor if you do not fully understand anything in...

Page 2: ... conical 2 pk Nozzle Tapered 2 pk Mig tip 0 6mm 5 pk Mig tip 0 8mm 0 35 5pk Mig tip 0 9mm 035 55pk Contact Tip 1 0mm 040 5 pk Contact Tip 1 0mm 040 ALI 5 pk Tip Adaptor Shroud spring 2 pk TB17270 TB17271 TB17272 0 6 0 8mm V groove rollers x 1 0 9 1 0mm V groove rollers x 1 Drive Roller 0 8 0 9mm knurled x 1 MSL1549 MSL2442 31535 Steel liner 0 6 0 9mm 4m Steel liner 1 0 1 2mm x 4m Liner for Alumini...

Page 3: ...lations thank you for choosing STRATA Strata provides market leading value features and durability STRATA machines have been designed with emphasis on robust construc on with simple and func onal opera on Register Your Warranty Now Standard warranty without registra on is 12 months To qualify for an extended full 24 month warranty on your purchase you must register within 30 days of purchase 2 www...

Page 4: ...eed Settings 16 5 10 Suggested Settings for Typical MIG Applications 17 5 11 Welding wire Size Selection 17 5 12 Maintenance of MIG Gun mechanism 18 5 13 MIG Welding Troubleshooting 19 6 STICK MMA BASIC WELDING GUIDE 23 6 1 Size of Electrodes 23 6 2 Storage of Electrodes 23 6 3 Electrode Polarity 23 6 4 Effects of Stick MMA Welding on Various Materials 23 6 5 Types of Electrodes 24 6 6 Suggested Se...

Page 5: ...MA O C Voltage MMA Duty Cycle Power Efficiency Power factor Standards Dimension Weigh Note The above parameters are subject to change with the improvement of machines MIG Output Current Wire Feeding Speed 230V AC 10A 50 60Hz 7KVA 10V 26V 180A 15 130A 60 100A 100 10A 180A 65V IP23H 85 0 65 EN60974 1 2012 460 x 190 x 360 mm 11 kg 10 26A 40A 180A 1 5 15 m minute 160A 10 130A 60 100A 100 4 www strata co...

Page 6: ...ront and rear panel 1 MIG Torch Euro Connector 2 Negative welding power output connection socket 3 Positive welding power output connection socket 4 On off switch 5 Gas inlet connector 6 Input power cable 5 www strata co nz EZIMIG185C ...

Page 7: ...utton 4 Wire Speed Welding Current Dial 5 Welding Voltage Dial 6 Inductance Burnback 7 SYN Programs Select 8 Wire Speed Load Button 6 www strata co nz EZIMIG185C 9 Spot Weld Length 10 Voltage Display 11 Overload Indicator 12 Power On Indicator 13 Current Display 14 Hot Start 15 Arc Force ...

Page 8: ...ged parts WARNING Before performing cleaning maintenance replacing cables connec ons make sure the welding machine is switched off and disconnected from the power supply If damaged before further use the welder must be carefully checked by a qualified person to determine that it will operate properly Check for breakage of parts moun ngs and other condi ons that may affect its opera on Have your welde...

Page 9: ...b MMA welding is commonly known as stick electrode or arc welding 4 2 1 2 Process The MMA process involves the electrode being touched on the job to ignite the arc The electrode is held in the electrode holder and must be continually replaced as it is consumed The electrode consists of a metal core which is the filler metal covered by a flux coating which shields the weld and prevents it from oxidis...

Page 10: ... which is chipped off a er the weld has formed MIG welding is both easy and fast Once weld se ngs are adjusted the filler wire is fed automa cally into the weld at the correct rate It does not rely on the operator to feed in filler wire like TIG welding Also because the filler wire is on a roll it lasts significantly longer than a S ck welding electrode so 4 2 2 The MIG Process 4 2 2 1 Description 4 2 ...

Page 11: ...he pieces being joined to ensure proper penetra on of the weld metal and to produce sound joints In general surfaces being welded should be clean and free of rust scale dirt grease etc Slag should be removed from oxy cut surfaces Typical joint designs are shown in the following figures Figure 27 Figure 28 Figure 29 Figure 30 Figure 31 Figure 32 4 3 Joint Preparations 10 www strata co nz EZIMIG185C ...

Page 12: ...Figure 33 Figure 34 Figure 35 Figure 36 11 www strata co nz EZIMIG185C ...

Page 13: ...and can be machine operated The process can be used to weld thin and fairly thick steels and some nonferrous metals in all posi ons Figure 37 This is an electric arc welding process which fuses together the parts to be welded by hea ng them with an arc between a con nuous flux filled welding wire and the work Shielding is obtained through decomposi on of the flux within the tubular wire Addi onal shi...

Page 14: ...oor weld The welding wire is not energized until the torch trigger switch is depressed The wire may therefore be placed on the seam or joint prior to lowering the helmet Figure 39 The welding wire s ck out from the MIG Torch nozzle should be between 10mm to 20mm This distance may vary depending on the type of joint and type of wire that is being welded Generally solid wire is about 10mm and flux co...

Page 15: ...nd They control the penetra on bead width bead height arc stability deposi on rate and weld soundness These variables are 1 Arc Voltage 2 Welding current wire feed speed 3 Travel speed These variables cause changes in primary adjustable variables which in turn cause the desired change in the bead forma on They are 1 S ck Out This is the distance between the end of the contact tube p and the end of...

Page 16: ...e perpendicular to the axis of the weld The longitudinal angle is generally called the Nozzle Angle and can be either trailing pulling or leading pushing Whether the operator is le handed or right handed has to be considered to realize the effects of each angle in rela on to the direc on of travel Figure 41 Figure 42 Horizontal Bu Weld Figure 43 Horizontal Fillet Weld Figure 44 Ver cal Fillet Welds...

Page 17: ... the process 4 If not able to achieve a smooth and stable arc with the desired heat input for the weld it is likely that a change in wire size and or shielding gas type is required assuming all other factors are correct Synergic func on makes the setup of MIG welding much simpler as follows 1 Choose Synergic program to suit wire type and size and shielding gas 2 Select amperage output or material ...

Page 18: ...erhead 60 125 10 12 0 9mm Horizontal 80 200 12 17 Ver cal Overhead 70 150 12 15 1 2mm Horizontal 160 220 16 18 Ver cal Overhead 120 180 16 18 Stainless Steel Stainless Steel 316L Argon or Mix 0 8mm All 60 125 17 22 0 9mm All 75 160 17 22 Aluminium Aluminium 5356 Argon 1 0mm All 170 200 19 21 Table 10 These se ngs are a guide only Actual se ngs required will depend on plate thickness operator techn...

Page 19: ...unctions Clean the wire guide in the following manner Remove the welding gun s gas nozzle contact tip and contact tip s adapte r With a pneumatic pistol below compressed air through the wire guide Blow the wire feed mechanism and reel housing clean with compressed air Reattach the welding gun s parts Tighten the contact tip and contact tip s ad apter to spanner tightness 5 12 2 Binzel MT250 MIG To...

Page 20: ...or cylinder connec on and in the gas hose to the Power Source Internal gas hose in the Power Source Ensure the hose from the solenoid valve to the torch adaptor has not fractured and that it is connected to the torch adaptor This should only be done by qualified technician Welding in a windy environment Shield the weld area from the wind or increase the gas flow or use gasless welding wire Welding d...

Page 21: ...s Liner blocked with swarf Replace liner Increased amounts of swarf are produced by the wire passing through the feed roller when excessive pressure is applied to the pressure roller adjuster Swarf can also be produced by the wire passing through an incorrect feed roller groove shape or size Swarf is fed into the conduit liner where it accumulates thus reducing wire feed Incorrect or worn contact ...

Page 22: ...crease Current Wire Speed Irregular weld shape Incorrect voltage and current se ngs Convex voltage too low Concave voltage too high Adjust voltage and current by adjus ng the voltage control and the Current Wire Speed control Wire is wandering Replace contact p Incorrect shielding gas Check shielding gas Insufficient or excessive heat input Adjust the Current Wire Speed control or the voltage contro...

Page 23: ...ot have a crisp sound that short arc exhibits when the wire feed speed and voltage are adjusted correctly The MIG torch has been connected to the wrong voltage polarity on the front panel Connect the MIG torch to the posi welding terminal for solid wires and nega welding terminal for gasless wires Refer to the wire manufacturer for the correct polarity Table 14 22 www strata co nz EZIMIG185C ...

Page 24: ...s are the forma on of a hardened zone in the weld area and if suitable precau ons are not taken the occurrence in this zone of under bead cracks Hardened zone and under bead cracks in the weld area may be reduced by using the correct electrodes prehea ng using higher current se ngs using larger electrodes sizes short runs for larger electrode deposits or tempering in a furnace The effect on mangane...

Page 25: ...hard facing All Posi onal except for ver cal down easy striking smooth running with low 1 Cast Iron Ni Cl NCI Suitable for joining all cast irons Suitable for mehanite alloy and malleable cast iron except white cast iron Weld posi ons flat horizontal 1 Stainless Steel 316L Used for welding common 300 series stainless steels such as 301 302 304 304L and 316L All welding posi ons excluding ver cal do...

Page 26: ... Place the work so that the direc on of welding is across rather than to or from your body The electrode holder lead should be clear of any obstruc on so that you can move your arm freely along as the electrode burns down If the lead is slung over your shoulder it allows greater freedom of movement and takes a lot of weight off your hand Be sure the insula on on your cable and electrode holder is n...

Page 27: ... blanketed by slag and the electrode p being solidified in If this should happen give the electrode a quick twist back over the weld to detach it A er the arc is struck your next concern is to maintain it and this requires moving the electrode p towards the molten pool at the same rate as it is mel ng away At the same me the electrode has to move along the plate to form a bead The electrode is dire...

Page 28: ...te this The electrode needs to be moved along fast enough to prevent the slag pool from ge ng ahead of the arc To complete the joint in thin plate turn the job over clean the slag out of the back and deposit a similar weld Heavy plate will require several runs to complete the joint A er comple ng the first run chip the slag out and clean the weld with a wire brush It is important to do this to prev...

Page 29: ...a posi on perpendicular to the line of the fillet and about 45º from the ver cal Some electrodes require being sloped about 20º away from the perpendicular posi on to prevent slag from running ahead of the weld Refer to Figure 56 Do not a empt to build up much larger than 6 4mm width with a 3 2mm electrode otherwise the weld metal tends to sag towards the base and undercut forms on the ver cal leg ...

Page 30: ...n the second run at the bo om This me a slight weaving mo on is necessary to cover the first run and obtain good fusion at the edges At the comple on of each side mo on pause for a moment to allow weld metal to build up at the edges otherwise undercut will form and too much metal will accumulate in the centre of the weld Figure 59 illustrates mul run technique and Figure 60 shows the effects of paus...

Page 31: ...pecimen is posi oned in the overhead posi on as shown in the sketch The electrode is held at 45º to the horizontal and lted 10º in the line of travel Figure 61 The p of the electrode may be touched lightly on the metal which helps to give a steady run A weave technique is not advisable for overhead fillet welds along at a steady rate You will no ce that the weld deposit is rather convex due to the ...

Page 32: ...ll slag from comers Rust or mill scale or preven ng full fusion Clean joint before welding Wrong electrode for posi on in which welding is done Use electrodes designed for posi on in which welding is done otherwise proper control of slag is difficult A groove has been formed in the base metal adjacent to the top of a weld and has not been filled by the weld metal undercut Figure 64 Welding current is...

Page 33: ... Use an electrode that is designed for high Sulphur steels Electrodes are damp Dry electrodes before use Welding current is too high Reduce welding current Surface impuri s such as oil grease paint etc Clean joint before welding Welding in a windy environment Shield the weld area from the wind Electrode damaged i e flux coa ng incomplete Discard damaged electrodes and only use electrodes with a com...

Page 34: ...ious injury CAUTION used with the safety alert symbol indicates a hazardous situa on which if not avoided could result in minor or moderate injury NOTE used to address prac ces not related to personal injury CAUTION without the safety alert symbol is used to address prac ces not related to personal injury 1 Maintain labels and nameplates on the welder These carry important informa on If unreadable...

Page 35: ...agne c fields in close proximity to a heart pacemaker could cause interference or failure of the pacemaker The use of a Welder is NOT RECOMMENDED for pacemaker wearers Consult your doctor 9 Ensure that the unit is placed on a stable loca on before use WARNING If this unit falls while plugged in severe injury electric shock or fire may result 10 Transporta on Methods Li unit with the handles provided...

Page 36: ...ning in welding and cu ng prac ces should not a empt to weld Safe prac ces are outlined in the Australian Standard AS 1674 2 en tled Safety in Welding and European Standard EN60974 1 en tled Safety in welding and allied processes WARNING Only use safety equipment that has been approved by an appropriate standards agency Unapproved safety equipment may not provide adequate protec on Eye and breathi...

Page 37: ... rays from the welding process produce intense heat and strong ultraviolet rays that can burn eyes and skin 1 Use a Welding Helmet or Welding Face Shield ed with a proper shade filter refer AS 60974 1 AS NZS 1337 1 and AS NZS 1338 1 Safety Standards to protect your face and eyes when welding or watching See Filter Table on Page17 2 Wear approved safety glasses Side shields are recommended 3 Use pro...

Page 38: ...e has started Do not weld or cut in atmospheres containing dangerously reac ve or flammable gases vapours liquids and dust Provide adequate ven la on in work areas to prevent accumula on of flammable gases vapours and dust 7 Do not apply heat to a container that has held an unknown substance or a combus ble material whose contents when heated can produce flammable or explosive vapours Clean and purge...

Page 39: ... to select the appropriate shade number for a Welding Helmet or Welding Face Shield Recommended Protec on Fillers For Electric Welding Welding Process Applica on Approximate Range of Welding Current in Amps Minimum Shade Number of Filter Lens S ck MMA Up to 100 8 100 to 200 10 MIG other than Aluminum and Stainless Steel Up to 150 10 150 to 250 11 MIG of Aluminum and Stainless Steel Up to 250 12 MI...

Page 40: ...fthere are no accessories After turn on power watch listen to that whether the arc welding machine has shaking whistle calling or peculiar smell Ifthere is one ofthe above problems find outthe reason to get rid of if you can tfind outthe reason Please contact local this area agent or the branch company Observe that whether the display value of LED is intact Ifthe display number is notintact please ...

Page 41: ...nce among the main circuit PCB and case ifit below 1MΩ insulation is thoughtto be damaged and need to change and need to change or strengthen insulation 9 2 Troubleshooting Before arc welding machines are dispatched from the factory they have already been debugged accurately So forbid anyone who is not authorized by our company to do any change to the equipment Maintenance course must be operated c...

Page 42: ...ngethewheel Wirereeldamaged Changeit Wirefeedpipeisjammed Repairorchangeit Tipisjammedbecauseof splash Repairorchangeit 5 Nostrikingarcandno outputvoltage Outputcableisconnected mistakenly orloosen Screwitdownorchangeit Controlcircuitdamaged Checkthecircuit 6 Weldingstops andalarm lightison Machinehasself protection Checkover voltage over current over temperature lower voltageand over temperature ...

Page 43: ...9 3 Electrical schematic drawing 42 www strata co nz EZIMIG185C ...

Page 44: ...to qualify for full warranty support your product must be registered Product not registered with Euroquip is supported by a base 12 month warranty only Spare parts and technical support will not be available for an unreg istered product outside of this base warranty period If a Euroquip dealer has not already registered your product please register it online or download a physical registration for...

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Page 48: ...ave you as our customer and will strive to provide you with the best service and reliability in the industry This product is backed by our extensive warranty To locate your nearest distributor or service agency visit www strata co nz or email us at CustomerService euroquip co nz ...

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