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Part No. 9012H

DIGI-TIG 320 AC/DC PULSE

OPERATOR’S

MANUAL

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Summary of Contents for 9012H

Page 1: ...Part No 9012H DIGI TIG 320 AC DC PULSE OPERATOR S MANUAL...

Page 2: ...Manual completely before attempting to use this equipment Save this manual and keep it handy for quick reference Pay particular attention to the safety instructions provided for your protection Contac...

Page 3: ...3 MOVEMENT AND PLACEMENT 12 3 4 POWER SUPPLY INPUT CONNECTION 12 3 5 POLARITY CONNECTION MMA 12 3 6 ASSEMBLING THE EQUIPMENT TIG 13 4 OPERATION 14 4 1 MACHINE CONTROLS 14 4 2 CONTROL PANEL 15 4 3 PEDA...

Page 4: ...re as follows It is q operation after taking several necessary protection measures 1 2 Arc Welding Damage The following signals and word explanations are to some damages for your body or others on the...

Page 5: ...xic gas and other irritating products Shielding gases used for arc welding can displace air and cause injury or death Always use ventilation especially in confined areas to insure breathing air is saf...

Page 6: ...nder is in use or connected for use SAFETY an explosion even though they have been cleaned Vent hollow castings or containers before heating cutting or welding They may explode Sparks and spatter are...

Page 7: ...MF as far as possible by applying the following procedures Route the electrode and work cables together Secure them with tape when possible All cables should be stored away from the operator Never coi...

Page 8: ...the arc stable Pedal controls the welding current TIG DC operation If the tungesten electrode touches the workpiece when welding the current will drop to short circuit current to protect tungsten Int...

Page 9: ...rbon steel alloyed steel titanium magnesium cuprum etc also applied to pipe installation mould repair petro chemical architectural decoration car repair bicycle handicraft and DIY MMA Manual Metal Arc...

Page 10: ...0 400 AC DC welding machines is shown as the following figure Three phase 380V work frequency AC is rectified into DC about 312V then is converted to medium frequency AC about 20KHz by inverter device...

Page 11: ...Adjustment Range A 10 320 Downslope Time Adjustment Range S 0 10 Pre Gas Time Adjustment Range S 0 2 Post Gas Time Adjustment Range S 0 10 Clearance Effect 5 95 Efficiency 85 Duty Cycle 40 C 10 min 6...

Page 12: ...wer supply voltage continually goes beyond the safe work voltage range it will shorten the machine s life span The below measures can be used Change the power supply input net connect the welder with...

Page 13: ...able parts for TIG torch such as tungsten electrode tip gas nozzle electrode shield short long contact your supplier quoting the part numbers When the DIGI TIG 320 AC DC PULSE welding machine is opera...

Page 14: ...onnect water box 8 Shield gas input joint To connect one head of the gas hose while the other head of which is connected to argon gas cylinder STEALTH DIGI TIG 320 AC DC PULSE 4 OPERATION 4 1 Machine...

Page 15: ...INSTALLATION AND ADJUSTMENT 15 4 2 Control panel 4 2 Control Panel STEALTH DIGI TIG 320 AC DC PULSE 15...

Page 16: ...to base current duration Unit Setting range 5 95 Fp Pulse frequency Unit Hz Setting range 0 5 200 16 INSTALLATION AND ADJUSTMENT 17 Available parameters where 2T and 4T mode have been selected Tpr Gas...

Page 17: ...Setting range 10 320 Tpo Gas post flow time Unit S Setting range 0 10 AC frequency only with TIG AC Unit Hz Setting range 50 250 Balance only with TIG AC Balance adjustment is mainly used to set the a...

Page 18: ...ob of max welding current 4 4 Gun switch control current Connected to the 12 lead aero socket on the front panel Adjustment knob of welding current Gun switch Adjust current button when it s pushed up...

Page 19: ...ble crater that appears at the beginning and end of welding Thus 4T is suitable for the welding of medium thickness plates 4 5 Argon Arc Welding Operation 4 5 1 TIG welding 4T operation The start curr...

Page 20: ...Iw or Ib and then arc is turned off l t4 t5 Post gas time after the arc is turned off You can adjust it 0 10S through turnning the knob on the front panel Introduction 0 Press and hold the gun switch...

Page 21: ...high voltage spark The ignition spark can cause interference in equipment The flow rate is set according to the welding power used Turn the regulation screw to adjust the gas flow shown on the gas ho...

Page 22: ...anium oxid Protect effect best better good bad worst 4 6 3 TIG Parameters Matching The corresponding relationship between gas nozzle diameter and electrode diameter Gas nozzle diameter mm Electrode di...

Page 23: ...ckness mm Joint form tungsten electrode diameter mm welding wire diameter mm Argon gas flow rate L min 1 welding current DCEP Welding speed cm min 1 0 8 Butt joint 1 0 1 6 5 20 50 66 1 0 Butt joint 1...

Page 24: ...10 2 5 110 125 14 16 12 14 5 6 325 2 5 8 10 2 5 120 140 14 16 12 14 5 6 Notice the above parameters originate from Welding Dictionary P167 Volume 1 of Edition 2 MAINTENANCE AND TROUBLESHOOTING 25 Par...

Page 25: ...temperature range 100 C 400 C Relative humidity is below 90 200 C Preferably site the machine some angles above the floor level the maximum angle does not exceed 150 Protect the machine against heavy...

Page 26: ...here is at least 30cm free distance between the machine and wall 4 8 Operation Notices Read all notes carefully before attempting to use this equipment Connect the ground wire with the machine directl...

Page 27: ...or if there are no parts to hand After switching on power watch and listen to check the arc welding machine is not shaking whistling or giving out an unusual odour If so investigate and eliminate If a...

Page 28: ...have already been carefully checked Do not allow anyone unauthorised to make any alterations to the equipment Maintenance work must be carefully undertaken If any wire becomes loose or misplaced it ma...

Page 29: ...nnect welding cable to with two output of welder welder s output Welding cable damaged Repair or change Earth cable connection unstable Check earth cable connection Welding cable is too long Use appro...

Page 30: ...urrent 10 adjusted potentiometer is not working repair or change potentiometer efficiently or damaged Power PCB is not working Repair or change efficiently 11 No AC output when AC is selected AC drive...

Page 31: ...of machines power at the same time in use Over current Incorrect current in main Check and repair main circuit protection circuit and drive Pr6 Front panel alarm lamp is on 6 PARTS LIST 9012H 02 COVE...

Page 32: ...C PULSE MAINTENANCE AND TROUBLESHOOTING 32 5 3 Electrical principle drawing Specialised Welding Products Ltd Unit 1 Farringdon Industrial Centre Farringdon Nr Alton Hampshire GU34 3DD UK tel 44 0 1420...

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