Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Stealth DIGI-TIG 320 AC/DC PULSE
Summary of Contents for Stealth DIGI-TIG 320 AC/DC PULSE
- Page 1 DIGI-TIG 320 AC/DC PULSE Part No. 9012H OPERATOR’S MANUAL...
- Page 2 STEALTH DIGI-TIG 320 AC/DC PULSE IMPORTANT Read this Owner’s 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. Contact your distributor if...
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Page 3: Table Of Contents
STEALTH DIGI-TIG 320 AC/DC PULSE CONTENTS SAFETY SIGNAL EXPLANATION ARC WELDING DAMAGE ELECTRIC AND MAGNETIC FIELDS INFORMATION SUMMARY BRIEF INTRODUCTION MODULE EXPLANATION WORKING PRINCIPLE VOLT-AMPERE CHARACTERISTIC INSTALLATION AND ADJUSTMENT PARAMETERS DUTY CYCLE AND OVER-HEATING MOVEMENT AND PLACEMENT POWER SUPPLY INPUT CONNECTION... -
Page 4: Safety
§1 SAFETY operation after taking several necessary protection measures. §1.2 Arc Welding Damage STEALTH DIGI-TIG 320 AC/DC PULSE §1.1 Signal Explanation SAFETY — The following signals and word explanations are to some damages for your body or o on the welding operation. While seeing these, please remind of yourself or others to be d Icons Explanation —... - Page 5 STEALTH DIGI-TIG 320 AC/DC PULSE coatings which produce highly toxic fumes, keep exposure as low as possible and below FUMES AND GASES CAN BE DANGEROUS.
- Page 6 Do not spill fuel when filling tank. If fuel is up and do not start engine until fumes have been eliminated. STEALTH DIGI-TIG 320 AC/DC PULSE SAFETY WELDING SPARKS can cause fire or explos WELDING SPARKS can cause fire or explosion an explosion even though they have been “cleaned”.
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Page 7: Electric And Magnetic Fields Information
STEALTH DIGI-TIG 320 AC/DC PULSE Electric and Magnetic Fields • Electric current flowing through any conductor causes localised Electric and Magnetic Fields (EMF). The discussions of the effect of EMF is ongoing globally. Up to now, there is no material evidence that EMF has any adverse effects on health. -
Page 8: Summary
STEALTH DIGI-TIG 320 AC/DC PULSE SUMMARY Brief Introduction The DIGI-TIG 320 AC/DC PULSE welding machine features the latest Pulse Width Modulation (PWM) technology and Insulated Gate Bipolar Transistor (IGBT) power module, which can change work frequency to medium frequency so as to replace the traditional large transformer with a medium frequency transformer –... -
Page 9: Module Explanation
It is also suitable for high welding speed for improved productivity. The DIGI-TIG 320 AC/DC PULSE welding machine is suitable for all welding positions TIG——Tungsten Insert Gas welding for a variety of plates of stainless steel, carbon steel, alloyed steel, titanium, magnesium, cuprum, etc, also applied to pipe installation, mould repair, petro- chemical, architectural decoration, car repair, bicycle, handicraft and DIY. -
Page 10: Working Principle
AC (about 20KHz) by inverter device (IGBT module), after reducing voltage by medium The working principle of the DIGI-TIG 320 AC/DC PULSE welding machine is shown as transformer (the main transformer) and rectifying by medium frequency rectifier (fast recovery diodes),... -
Page 11: Installation And Adjustment
STEALTH DIGI-TIG 320 AC/DC PULSE INSTALLATION AND ADJUSTMENT Parameters DIGI-TIG 320 AC/DC PULSE Power Supply Voltage (V) 3~380±10% Frequency (Hz) Rated Input Current (A) 27.5 Rated Input Power (Kw) Power Factor 0.65 No Load Voltage (V) Start Current Adjustment Range (A) -
Page 12: Duty Cycle And Over-Heating
(10 minutes). The rated duty cycle means the proportion of the time that a machine can work continuously within 10 minutes when it outputs STEALTH DIGI-TIG 320 AC/DC PULSE the rated welding current. -
Page 13: Assembling The Equipment (Tig)
INSTALLATION AND ADJUSTMENT electrode shield (short/long) – contact your supplier quoting the part numbers. • When the DIGI-TIG 320 AC/DC PULSE welding machine is operated in HF Ignition §3.6 Assembling the equipment (TIG) mode, the ignition spark can cause interferences in equipment near the welding machine. -
Page 14: Operation
INSTALLATION AND ADJUSTMENT STEALTH DIGI-TIG 320 AC/DC PULSE §4 Operation OPERATION §4.1 Layout for the panel Machine Controls Positive output: The welder’s positive polarity output. 1 Positive output: Positive polarity output Negative output: The welder’s negative polarity output. 2 Negative output: Negative polarity output. -
Page 15: Control Panel
INSTALLATION AND ADJUSTMENT §4.2 Control panel STEALTH DIGI-TIG 320 AC/DC PULSE Control Panel... - Page 16 INSTALLATION AND ADJUSTMENT STEALTH DIGI-TIG 320 AC/DC PULSE Available parameters where 2T and 4T mode have been selected: Available parameters where 2T and 4T mode have been selected: Gas pre-flow time Gas pre-flow time Unit Unit Setting range 0—2 Setting range...
- Page 17 STEALTH DIGI-TIG 320 AC/DC PULSE Tdown Downslope time Unit Setting range 0~10 Crater arc current (only with 4T) Unit Setting range 10~320 Gas post-flow time Unit Setting range 0~10 AC frequency (only with TIG-AC) Unit Setting range 50~250 Balance (only with TIG-AC) Balance adjustment is mainly used to set the adjustment of eliminating metal-oxide (such as Aluminium, Magnesium and its alloy) during AC output.
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Page 18: Pedal Switch Control
,can set the ● When use the adjustment knob of max-welding current beside the pedal ,can set the STEALTH DIGI-TIG 320 AC/DC PULSE max-current you want. max-current you want. Pedal switch control ● The eighth and ninth of the fourteen-lead aero-socket is gun switch; The first and second of the •... -
Page 19: Argon Arc Welding Operation
§4.5 Argon Arc Welding Operation STEALTH DIGI-TIG 320 AC/DC PULSE §4.5.1 TIG welding （4T operation） Argon Arc Welding Operation The start current and crater current can be pre-set. This function can compensate the 4.5.1 TIG welding (4T operation) possible crater that appears at the beginning and end of the welding. Thus, 4T is suitable for the The start current and crater current can be pre-set. - Page 20 Electromagnetic valve is closed and stop argon flowing. Welding is finished. l STEALTH DIGI-TIG 320 AC/DC PULSE §4.5.2 TIG welding (2T operation) This function without the adjustment of start current and crater current is suitable for the 4.5.2 TIG welding (2T operation) This function, without the adjustment of start current and crater current, is Re-tack welding、...
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Page 21: Welding Parameters
STEALTH DIGI-TIG 320 AC/DC PULSE 3 MMA operation If the electrode touches the workpiece over 2S, the welding current will drop auto- matically to 0 to protect the electrode. 4 TIG operation If the TIG torch switch is pressed quickly the welding current will drop by 50%. - Page 22 §4.6.2 The explanation of welding quality STEALTH DIGI-TIG 320 AC/DC PULSE 4.6.2 Explanation of welding quality The relation of welding area color & protect effect of stainless steel The relationship of welding area colour and protection effect of stainless steel...
- Page 23 201～300 8～13 8～9 13～16 8～15 Notice: the above parameters originate from《Welding Dictionary》P149, Volume 1 of Edition 2. STEALTH DIGI-TIG 320 AC/DC PULSE tungsten electrode sharpened of the angle of cone（°） background current/A diameter /mm electrode diameter/mm 0.125 2～15 0.25 5～30 8～50...
- Page 24 MAINTENANCE AND TROUBLESHOOTING MAINTENANCE AND TROUBLESHOOTING Parameters of piping back sealing welding for mild steel Parameters of piping back sealing welding for mild steel (DCEP) （DCEP） Parameters of piping back sealing welding for mild steel （DCEP） Argon Welding Argon Welding Piping Tungsten Welding...
- Page 25 MAINTENANCE AND TROUBLESHOOTING 260～ 4～5 16～20 14～16 100～ 280～ 4～5 16～20 14～16 150～ 300～ 4～5 5～6 18～22 16～20 180～ 340～ 5～6 5～6 20～24 16～20 200～ 340～ 5～6 20～24 16～20 200～ 360～ 5～6 25～30 16～20 200～ 360～ 5～6 25～30 20～22 200～ 300～...
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Page 26: Operation Environment
Operation Environment • Height above sea level below 1000m • Operation temperature range: –10ºC~+40ºC • Relative humidity below 90% (20ºC) • Preferably site the machine above floor level with the maximum angle not exceeding 15º. • Protect the machine against heavy rain, hot environments and direct sunshine •... -
Page 27: Maintenance And Troubleshooting
MAINTENANCE AND TROUBLESHOOTING Maintenance In order to guarantee that an arc welding machine works efficiently and safely, it must be maintained regularly. Read and understand the maintenance methods and regularly carry out safety checks. Make any repairs as required in order to extend the service life of the welding machine. -
Page 28: Troubleshooting
STEALTH DIGI-TIG 320 AC/DC PULSE DATE MAINTENANCE CHECKS Monthly Use dry compressed air to clear the inside of arc welding machine. Pay examination particular attention to clear any dust on radiator, main voltage transformer, inductance, IGBT module, the fast recover diode and PCB, etc. - Page 29 STEALTH DIGI-TIG 320 AC/DC PULSE PROBLEM REASON SOLUTION Turn on the power source, lamp No power input Check if there is power supply is not on and fan doesn’t work Inside machine fuse damaged Change fuse (3A) Display number not clear...
- Page 30 STEALTH DIGI-TIG 320 AC/DC PULSE PROBLEM REASON SOLUTION Gas cylinder is closed or Open or change gas cylinder pressure is low No gas flow (TIG) Valve is blocked Remove blockage Electromagnetic valve damaged Change valve Gas test on front panel is on...
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Page 31: Parts List
STEALTH DIGI-TIG 320 AC/DC PULSE PROBLEM REASON SOLUTION Too much welding current Reduce welding current output Overheat protection Working time too long Reduce duty cycle and process Over-voltage Power supply fluctuates Use stable power supply Front panel protection alarm lamp... -
Page 32: Main Electrical Diagram
MAINTENANCE AND TROUBLESHOOTING STEALTH DIGI-TIG 320 AC/DC PULSE §5.3 Electrical principle drawing MAIN ELECTRICAL DIAGRAM Specialised Welding Products Ltd Unit 1, Farringdon Industrial Centre, Farringdon, Nr Alton, Hampshire GU34 3DD, UK tel: +44 (0)1420 588180 • fax: +44 (0)1420 588184 • email: sales@swp.uk.net...