Stealth DIGI-ARC 160PFC MV User Manual Download | Manualshive

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Part No. 9022H

DIGI-ARC 160PFC MV

OPERATOR’S

MANUAL

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Summary of Contents for DIGI-ARC 160PFC MV

Page 1: ...Part No 9022H DIGI ARC 160PFC MV OPERATOR S MANUAL ...

Page 2: ...nual 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 Contact your distributor if you do not fully understand this manual ...

Page 3: ...CTION 12 3 3 1 MMA 11 3 3 2 TIG 12 4 OPERATION CONTROL AND CONNECTORS 13 4 1 MACHINE CONTROLS 13 4 2 WELDING CURENT ADJUSTMENT 14 4 3 WELDING OPERATION 14 4 3 1 STRIKING ARC 14 4 3 2 MANIPULATION OF ELECTRODE 14 4 4 WELDING PARAMETERS 14 4 4 1 JOINT FORM IN MMA 14 4 4 2 ELECTRODE SELECTION 15 4 5 ARC WELDING DEFECT AND PREVENT METHOD 15 4 6 OPERATION ENVIRONMENT 17 4 7 OPERATION NOTICES 17 5 MAINT...

Page 4: ...ng the operation non concerned people should be lift especially for children After shut off the machine power please maintain and examine the equipment accor because of the DC voltage existing in the electrolytic capacitors ELECTRIC SHOCK CAN KILL Never touch electrical parts Wear dry hole free gloves and clothes to insulate yourself Insulate yourself from work and ground using dry insulation Make...

Page 5: ...g to prevent spilled fuel from vapor contact with hot engine parts and igniting Do not spill fuel when filling tank If fuel is spilled up and do not start engine until fumes have been eliminated WELDING SPARKS can cause fire or explosion Remove fire hazards from the welding area If this is not possible cover them to prevent the sparks from starting a fire Remember that welding sparks and hot mater...

Page 6: ...f heat sparks or flame Never allow the electrode electrode holder or any other electrically hot parts to touch a cylinder Keep your head and face away from the cylinder valve outlet when opening the cylinder valve Valve protection caps should always be in place and hand tight except when the cylinder is in use or connected for use an explosion even though they have been cleaned Vent hollow casting...

Page 7: ...s 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 coil the power cable around your body Make sure welding machine and power cable are far enough away from the operator according to the working environment Connect the work cable to the workpiece as close as ...

Page 8: ... function There are further automatic protection functions for under voltage over current over heat etc In the event of any failure the alarm on the front panel lights and the output current is simultaneously cut off This function provides for safe operation and can extend the working life of the machine In MMA operation if the electrode touches a workpiece for over two seconds the welding current...

Page 9: ...requency AC about 50 40KHz by inverter device IGBT module after reducing voltage by medium transformer the main transformer and rectified by medium frequency rectifier fast recovery diodes The circuit adopts current feedback control technology to insure current output stably Meanwhile the welding current parameter can be adjusted continuously and steplessly to meet with the requirements of welding...

Page 10: ...G 15 8 2 0 40 90A 60 75A 100 60A 40 90A 60 75A 100 60A 40 160A 60 135A 100 105A 40 160A 60 135A 100 105A 0 99 MMA 24 4 2 9 15 7 3 6 MMA 22 9 5 230 Frequency Hz Rated Input Current A Rated Input Power Kw Power Factor Welding Current Adjustment Range A Maximum No Load Voltage V Efficiency Duty Cycle 40ºC 10 min Insulation Class Protection Class Net Weight Kg Dimensions mm L W H ...

Page 11: ...uld be relaxed for 15 minutes to cool the fan When operating the machine again the welding output current or the duty cycle should be reduced 3 3 Welding polarity connection way 3 3 1 MMA Choosing the connection of DCEN or DCEP is based on the arc stable burning condition The different electrodes need different connection way Please refer to the electrode manual workpiece Welding holder electrode ...

Page 12: ...e of the tungsten electrode and prevent tungsten clipping When TIG operation the shielded gas is inputted to welding gun directly and the method of lifting arc is scraping arc ARC160 When in TIG operation the shielded gas is fed directly into to the welding gun in readiness for the lift arc process 1 Place welding gun at an angle 2 Scrape the electrode with the workpiece 3 Lift arc Steps of scrapi...

Page 13: ...MA pilot lamp Lights when VRD MMA selected middle 12 TIG pilot lamp Lights when TIG selected down 4 Operation control and connectors 4 1 Layout for front rear panel 1 Conversion switch Choose up MMA Choose middle VRD MMA Choose down TIG 2 Current display Welding Current display when machine is working 3 Alarm pilot lamp When the machine less voltage over current or over heat This pilot lamp indica...

Page 14: ...ce for striking arc But it may cause the arc scratch so must to lift arc in the groove 4 3 2 Manipulation of electrode In MMA welding there are three motions to being matched in the end of electrode the electrode moving to the molten pool along axes the electrode swing right and left the electrode moving along welding way The operator can choose the manipulation of electrode based on welding joint...

Page 15: ...rc burning large spatter light penetration undercut blowhole etc If the arc is too short it will cause electrode stick l In MMA welding the arc length is usually equal to 0 5 1 0 time of the electrode butt joint lap joint corner joint T joint 4 5 Arc Welding Defect and Prevent Method OPERATION CONTROL AND CONNECTORS diameter The basic electrode s arc length is not beyond the electrode diameter it ...

Page 16: ...ction Manipulation of electrode is not proper Clear out the dust around groove for about 20 30mm Strictly to dry the electrode according to manual Correctly to choose parameters and to operate Using the short arc operation Welding operation in the field should have anti wind protection Don t use the invalid electrode Inclusion slag inclusion The slag clears bad in the middle layer in the welding p...

Page 17: ... there is at least 30cm free distance between the machine and wall 4 7 Operation Notices Read all notes carefully before attempting to use this equipment Connect the ground wire with the machine directly If the power switch is accidentally closed no load voltage may be exported Do not touch the output electrode with any part of your body Before operation ensure no other presonnnel is present witho...

Page 18: ...r distributor 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 any problem persists please contact your distributor Observe the LED is working correctly If the number is not displayed replace the LED If it still does not work maintain or replace the dis...

Page 19: ... Annual Measure the insulating impedance among the main circuit PCB and case examination If it is below 1MΩ insulation may be damaged and should be repaired or replaced 5 2 Troubleshooting Before arc welding machines are dispatched from the factory they have already been carefully checked Do not allow anyone unauthorised to make any alterations to the equipment Maintenance work must be carefully u...

Page 20: ...Not easy to start arc in the welding or easy to cause sticking The plug loosen or connect not well Check and tighten the plug Oil or dust covered the workpiece Check and clear out MMA TIG welding selection is wrong Selecting the MMA welding 7 The arc is not stable in the welding process The arc force is too small Increase the arc force 8 The welding current can not be adjusted The welding current ...

Page 21: ...STEALTH DIGI ARC 160PFC MV 5 3 Main Electrical Diagram 21 MAINTENANCE AND TROUBLESHOOTING 19 5 3 Electrical principle drawing 110 220V ...

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