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TitanMig AU 250C Manual_ Issue A 0415

4.3 GTAW (TIG) Welding Trouble Shooting

The following chart addresses some common problems during TIG Welding.
In the event of equipment malfunction, contact an authorized service agent

Possible Reason

Suggested Solution

Tungsten burning Quickly

Incorrect Gas or No Gas

Check Pure Argon is in use

Insufficient Gas Flow

Check gas flow. Set to 10-15 l/min

Back Cap not fitted correctly

Check Back cap is fitted correctly and o ring in tact

Torch connected to (+) connection

Refit torch to (-) connection

Wrong Tungsten

Check Colour of tungsten & change to correct type

Tungsten oxidizing after weld

Post gas insufficient. Gas flow suggested 10-15 S after end of weld cycle

Contaminated Tungsten

Touching Tungsten into Weld Pool

Keep tungsten raised to 2-5mm of workpeice

Touching Filler wire to Tungsten

Feed filler into the leading edge of the weld pool

Tungsten Melting

Check Type & Size Tungsten being used

Porosity

Incorrect Gas or No Gas

Check Pure Argon is in use

Insufficient Gas Flow

Check gas flow. Set to 10-15 l/min

Contaminated base metal

Remove any paint , grease, oil & dirt

Contaminated TIG Wire

Use clear dry rust free wire only.

Unstable Arc

Torch connected to (+) connection

Refit torch to (-) connection

Contaminated base metal

Remove any paint , grease, oil & dirt

Contaminated Tungsten

Cut & re-grind Tungsten

Arc length too long

Keep torch raised to 2-5mm of workpeice

Wandering Arc

Incorrect Gas or No Gas

Check Pure Argon is in use

Wrong Tungsten

Check Colour of tungsten & change to correct type

Poorly prepared Tungsten

Ensure Tungsten is ground lengthways

Contaminated base metal

Remove any paint , grease, oil & dirt

Contaminated TIG Wire

Use clear dry rust free wire only.

Difficulty Starting Arc

Incorrect Gas or No Gas

Check Pure Argon is in use

Contaminated Tungsten

Cut & re-grind Tungsten

Wrong Tungsten

Check Colour of tungsten & change to correct type

Loose connection

Check connections

Earth Clamp not connected

Connect earth clamp to the work piece

Содержание TM250C

Страница 1: ...GebrauchsanweisungDE Manual de instruccionesES K ytt ohjeFI Manuel d utilisationFR Manualed usoIT GebruiksaanwijzingNL BruksanvisningNO Instrukcjaobs ugiPL Manual de utiliza oPT BruksanvisningSV CN E...

Страница 2: ...2...

Страница 3: ...aying particular attention to the Safety Precautions They will help you to avoid potential hazards that may exist when working with this product 2 Year Warranty Statement This product is covered by a...

Страница 4: ...Power Source 15 1 7 Overview of Wire Feeder 16 2 0 Installation 17 3 0 Operation 19 3 1 GMAW MIG Welding 20 3 2 MMAW Stick Welding 32 3 3 GTAW TIG Welding 33 4 0 Trouble Shooting 34 4 1 Mig Trouble S...

Страница 5: ...or covers big enough to prevent any physical contact with the work ground Never touch the electrode if you are in contact with the work ground or another electrode from adi erent machine Do not wrap...

Страница 6: ...hen the machine is in operation keep away from moving parts such as motors and fans Moving parts such as the fan may cut ngers and hands and snag garments Protections and coverings may be removed for...

Страница 7: ...absorbance of the primary current from the power supply network high power systems a ect the quality of power provided by the network Consequently connection restrictions or maximum impedance require...

Страница 8: ...ds when welding or cutting To reduce magnetic fields in the workplace use the following procedures Keep cables close together by twisting or taping them Arrange cables to one side and away from the op...

Страница 9: ...using and all metal parts touching the welding wire are electrically live Incorrectly installed or improperly grounded equipment is a hazard Do not touch live electrical parts Wear dry hoIe free insul...

Страница 10: ...sconnect input power and discharge input capacitors according to instructions in Maintenance Section before touching any parts FUMES AND GASES can be hazardous Welding produces fumes and gases Breathi...

Страница 11: ...safe before doing any welding Protect yourself and others from flying sparks and hot metal Do not weld where flying sparks can strike flammable material Remove all flammables within 35 ft 10 7 m of t...

Страница 12: ...se Always ventilate confined spaces or use approved air supplied respirator HOT PARTS can cause severe burns Do not touch hot parts bare handed Allow cooling period before working on gun or torch MAGN...

Страница 13: ...es and fittings designed for the specific application maintain them and associated parts in good condition Turn face away from valve outlet when opening cylinder valve Keep protective cap in place ove...

Страница 14: ...the installation If notified by the FCC about interference stop using the equipment at once Have the installation regularly checked and maintained Keep high frequency source doors and panels tightly s...

Страница 15: ...instructions in the manual For more information on our products contact us consult an authorized dealer or visit our website The specifications presented in this manual are subject to change without p...

Страница 16: ...dynamic characteristic control circuit in MIG provides a stable arc low spatter excellent weld appearance and high welding efficiency By removing the ball at the end of the wire after welding a high...

Страница 17: ...Excluding Trolley 38 Kg General Information Do not operate or install this equipment without thoroughly reading this manual and the safety precautions contained throughout Save this manual and keep i...

Страница 18: ...ower plug and lead to a minimum of 32A if sustained usage at maximum amperage is desired WARNING With the 15A plug supplied it is recommended that the operator does not exceed more than 180Amps as use...

Страница 19: ...ob in MIG 8 Current control knob in MMA 9 MMA TIG MIG switch 10 Current meter 11 Wire feed control knob in MIG 12 output terminal 13 output terminal 14 Socket of wire pull torch control cable 15 Euro...

Страница 20: ...Feed Roll 30 10 22 1 0 1 2mm Steel FR3022V1012 Feed Roll 30 10 22 1 0 1 2mm Aluminum FR3022U1012 Feed Roll 30 10 22 0 9 1 2mm Aluminum FR3022U0912 Feed Roll 30 10 22 0 9 1 2mm Flux Cored FR3022K0912 F...

Страница 21: ...rities to enter the machines cooling air flow Preferably site the machine above floor level for example on a suitable carriage unit Notes for positioning the machine The surface inclination should not...

Страница 22: ...e for MMAW Stick the electrode holder is connected to the positive terminal and the work return to the negative terminal In general when using the machine for GMAW Mig the MIG Torch should be connecte...

Страница 23: ...at 180A Overheating Welding machine must be used according to technical data from this manual If the machine is overloaded failures may occur that are not be covered by warranty Overload control Therm...

Страница 24: ...and tighten it clockwise Insert the quick plug of the gas no gas selector into the output terminal of the welding machine and tighten it clockwise Ensuring that the groove size in the feeding position...

Страница 25: ...torch connection Replace the pressure handle to re establish pressure on the wire If handle pressure is too strong the wire could be transformed flattened If the pressure is too low the wire could sl...

Страница 26: ...t of most GMAW shielding mixtures High Carbon Dioxide 18 to 23 mixtures are particularly suited to welding steels which are coated with paint primers and other surface contaminants or where higher pen...

Страница 27: ...vely low heat input fusion defects and porosity can occur when welding heavy sections due to the penetration profile low fluidity and the rapid freezing of the weld pool Carbon Steel Intermediate cont...

Страница 28: ...hat the speed is too slow the workpiece will be burned through and a good weld bead will be unavailable In practical operation the welding speed should not exceed 50cm min Wire Stick out The increase...

Страница 29: ...que all determine joint type Around the groove work pieces should be dry and clean free of rust metallic coating dirt colour or grease Joint type Groove shape Weld shape Metal thickness mm Work piece...

Страница 30: ...correctly on seam 1 Hold torch and control trigger with one hand 2 Work piece 3 Earth clamp 4 Electrode extension Stickout to in 5 Cradle torch with the other hand and rest it on work piece Heat dist...

Страница 31: ...at higher speeds Dragging the torch results in deeper penetration and narrower weld Arc strength prevents slag to enter the molten material When pushing the torch penetration will be shallower and the...

Страница 32: ...LD BEAD 1 Fine spatter 2 Uniform bead 3 Moderate crater during welding 4 No overlap 5 Good penetration into base material POOR WELD BEAD 1 Large spatter deposits 2 Rough uneven bead 3 Slight crater du...

Страница 33: ...er Porosity Small cavities or holes resulting from gas pockets in weld material Possible causes Corrective actions Wrong gas Use welding grade shielding gas change to different gas Welding wire extend...

Страница 34: ...c characteristics Improper welding technique Maintain normal gun angle of 0 to 15 degrees to achieve maximum penetration Keep arc on leading edge of weld puddle Be sure welding wire extends no more th...

Страница 35: ...eep arc on leading edge of weld puddle Use correct gun angle of 0 to 15 degrees Insufficient heat input Select higher wire feed speed and or select higher voltage range Burn through Weld metal melting...

Страница 36: ...N Select MMA by switching to the MMA welding mode There is voltage output at both output terminals Set the amperage on the machine suitable for the electrode being used Ensure you check that you have...

Страница 37: ...at both output terminals After the parameters are set appropriately open the gas valve of the cylinder the gas valve on the torch and adjust the gas regulator to obtain the desired flow rate The arc w...

Страница 38: ...e correct polarity for the wire being used Stick out too long Bring the torch closer to the work piece Contaminated base metal Remove any paint grease oil dirt Contaminated MIG Wire Use clear dry rust...

Страница 39: ...Incorrect Wire Speed Adjust Speed setting Voltage Setting Incorrect Adjust Volt setting Torch too long Replace with shorter gun Contact tip worn wrong size Replace with correct type Liner worn or clo...

Страница 40: ...ngth too long Shorten arc length Contaminated base metal Remove any paint grease oil dirt Damp or Contaminated Electrodes Dry Electrode or replace Lack of Penetration Insufficient heat input Increase...

Страница 41: ...Melting Check Type Size Tungsten being used Porosity Incorrect Gas or No Gas Check Pure Argon is in use Insufficient Gas Flow Check gas flow Set to 10 15 l min Contaminated base metal Remove any paint...

Страница 42: ...not well connected with the workpiece Reconnect it The wire feeder cable is not well connected Reconnect it The wire feeder or welding torch fails Repair the wire feeder or welding torch No response w...

Страница 43: ...fter disconnecting the mains cable before removing the machine s case Perform the following cleaning and maintenance at least every six months 1 Clean the interior of the machine and the fan grill s n...

Страница 44: ...y freight free to the customer The obligation of Weldtronic International P L under this warranty is limited to the circumstances set out above and is subject to The customer being able to provide pro...

Страница 45: ...warranty on Helmet shell harness fittings Warranty Returns Exchanges 1 Subject to the conditions of warranty set out in the warranty period Weldtronic International P L warrants that if any defect in...

Страница 46: ...e goods or repairing the goods except where you have acquired goods as a consumer within the meaning of the Trade Practices Act 1974 or the Fair Trading Acts of the relevant state or territories of Au...

Страница 47: ...xternal factors i Failure orbreakage causedbyoverload droppingorabusive treatmentorusebythecustomer j Repair modifications or other work carried out on the product other than by an authorized Weldtron...

Страница 48: ...ional P L ABN 99 149 754 263 42 46 Micro Circuit DandenongSth Victoria 3175 Australia P O Box 2096 Rowville Victoria 3178 Australia Tel 03 9702 9366 Fax 03 9702 9766 Email sales weldtronic com au Web...

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