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Inverter ac/dc pulsed tig welder
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- Contents
- Table of Contents
- Troubleshooting
- Bookmarks
Table of Contents
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Table of Contents
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Safety
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Signal Explanation
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Hazards Relating to Arc Welding
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The Knowledge of Electric and Magnetic Fields
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Summary
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Brief Introduction
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Working Principle
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Volt-Ampere Characteristic
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Installation and Adjustment
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Parameters
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Duty Cycle and over Heat
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Movement and Placement
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Input Power Supply Connection
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Polarity Connection（Mma
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Operation
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Layout for the Panel
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Control Panel
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Remote Control - Pedal Switch Control
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Foot Pedal（Remote Current Control
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Argon Arc Welding Operation
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TIG Welding
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TIG Welding (2T Operation)
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Welding Parameters
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Joint Forms in TIG/MMA
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The Explanation of Welding Quality
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TIG Parameters Matching
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Operational Environment
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Operation Notices
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Maintenance
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Troubleshooting
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OPERATOR'S MANUAL
INVERTER AC/DC PULSED TIG WELDER
TIG200ACDC-HF-P
Before using this machine, study the complete Operator's Manual and keep it
within easy reach for quick reference. The safety instructions are included for
your safety and should be taken seriously. Contact your distributor if any of the
instructions are not clear.
Table ofContents
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Table of Contents
Troubleshooting
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Summary of Contents for Taurus TIG200ACDC-HF-P
- Page 1 OPERATOR’S MANUAL INVERTER AC/DC PULSED TIG WELDER TIG200ACDC-HF-P Before using this machine, study the complete Operator's Manual and keep it within easy reach for quick reference. The safety instructions are included for your safety and should be taken seriously. Contact your distributor if any of the...
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Page 2: Table Of Contents
CONTENT 1 SAFETY ----------------------------------------------------------------------------------------------------------- 3 1.1 S --------------------------------------------------------------------------------------- 3 IGNAL XPLANATION 1.2 H -------------------------------------------------------------------- 3 AZARDS ELATING TO ELDING 1.3 T ------------------------------------------------- 6 HE KNOWLEDGE OF LECTRIC AND AGNETIC IELDS 2 SUMMARY ------------------------------------------------------------------------------------------------------- 7 2.1 B --------------------------------------------------------------------------------------- 7 RIEF NTRODUCTION 2.2 W ----------------------------------------------------------------------------------------- 9 ORKING... -
Page 3: Safety
SAFETY 1 SAFETY 1.1 Signal Explanation The signals in this section is aimed at graphically depicting the areas associated with welding operations where personal safety can be compromised. 1.2 Hazards Relating to Arc Welding The following activities may only be executed by qualified operators or artisans: ... - Page 4 SAFETY Always be sure the work cable makes a good electrical connection with the metal being welded. The connection should be as close as possible to the area being welded. Maintain the electrode holder, work clamp, welding cable and welding machine in good, safe operating condition.
- Page 5 SAFETY SELF-PROTECTION Keep safety guards, devices and covers in position and in good repair. Keep hands, hair, clothing, and tools away from V-belts, gears, fans and all other moving parts when starting, operating or repairing equipment. When a power generator is used, never attempt to override the governor or adjust the idler or throttle control rods while the engine is running.
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Page 6: The Knowledge Of Electric And Magnetic Fields
SAFETY Connect the grounding cable to the workpiece as close as possible to the welding area. Cables connected to the building framework away from the welding area increase the possibility of the welding current passing through other circuits causing damage to for instance cranes and lifting chains. GAS AND SAFEKEEPING OF GAS CYLINDERS. -
Page 7: Summary
This has led to a smaller size, portable and light-weight machine of lower power consumption. The parameters of the Taurus TIG200ACDC-HF-P on the front panel can be adjusted continuously and stepless for instance start current, crater-arc current, welding current, base current, duty ratio, upslope time, downslope time, pre-gas, post-gas, pulse frequency, AC frequency, balance, hot start, arc force and arc length. - Page 8 High frequency arc can make metal for microlite fabric, eliminate blowhole and improve the mechanical performance of the joint. Taurus TIG200ACDC-HF-P machines are suitable for multi-position welding on plates manufactured from a variety of materials including stainless steel, carbon steel, alloyed steel, titanium, magnesium...
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Page 9: Working Principle
TIG - Tungsten Insert Gas welding 2.2 Working Principle The operating principle of the Taurus TIG200ACDC-HF-P welding machines is depicted in the following figure. Single-phase 220V inlet AC frequency is rectified to DC (approximately 321V), then converted to a medium AC frequency (approximately 20KHz) by an inverter device (IGBT module). -
Page 10: Volt-Ampere Characteristic
SUMMARY 2.3 Volt-Ampere Characteristic The Taurus TIG200ACDC-HF-P welding machine has an excellent volt-ampere characteristic, whose graph is shown as the following figure. The relation between the conventional rated loading voltage U and the conventional welding current I is as follows: When I ≤600A，U... -
Page 11: Installation And Adjustment
INSTALLATION AND ADJUSTMENT 3 Installation and Adjustment 3.1 Parameters Models TIG200ACDC-HF-P Parameters Input power 1~220±10%，50Hz Rated input current 35.4（TIG） 39.5（MMA） （A） Rated input power 5.2（TIG） 6.4（MMA） （KW） Power factor 0.68 no-load voltage(V) Adjustment range of start current（A） 10～ 5～ ——... -
Page 12: Movement And Placement
When a forklift is employed, the length of the lift arm should be sufficient to ensure a safe procedure. 3.4 Input power supply connection The operating current of the Taurus TIG200ACDC-HF-P welding machine is 220V and provision is made for a small current deviation. Should this deviation be exceeded a built-in protection system will cut the power. - Page 13 14 leads. ⚫ Consumables and parts for TIG torches are available. ⚫ When the Taurus TIG200ACDC-HF-P welding machines are operated in HF mode, the ignition spark can cause interference to electronic equipment. In order to curb this problem, shielding measures...
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Page 14: Operation
OPERATION 4 Operation 4.1 Layout for the panel WSME-200 DIGITAL CONTROL ～ 1 ～ 220V ～ AC frequency Balance AC/DC PULSED TIG WELDER Positive output - The welder’s positive polarity output socket. Aero socket - Leads 8 and 9 are connected to the torch switch control wire. Negative output - The welding machine's negative output socket. -
Page 15: Control Panel
OPERATION 4.2 Control panel (12) Welding current display (11) Welding voltage and other parameter display (10) Power/alarm indicator (1) AC/DC selection key (2) Mode selection key (3) Gas-test key (4) HF ignition key (5) Pulse key (9) Electrode welding key (7) Parameter selection key (6) Parameter selection key (8) Adjustment dial... - Page 16 Shown on the display during welding. The illustration below shows an overview of the main settings needed for day-to-day working, using the Taurus TIG200ACDC-HF-P control panel as an example. You will find a detailed description of these settings in the following section.
- Page 17 OPERATION Available parameters where 2T and 4T mode have been selected: Tpr - Gas pre-flow time Unit: S Setting range: 0.1 - 1 Factory setting: 0.3 Is - Starting current (only with 4T) Unit: A Setting range: 5 - 100% of main current Iw (DC): 10 - 100% of main current Iw (AC) Factory setting: 5 Tup - Upslope time Unit: S...
- Page 18 OPERATION Ic - Crater arc current (only with 4T) Unit: S Setting range: 5 - 100% of main current Iw (DC) :: 10 - 100% of main current Iw (AC) Factory setting: 5 Tpo - Gas post-flow time Unit: S Setting range: 0.1 - 10 Factory setting: 3 AC frequency (only with TIG-AC)
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Page 19: Remote Control - Pedal Switch Control
OPERATION (12) Welding current display Display the pre-set or the actual welding current value. Before welding is started, the left-hand display shows the pre-set current value of Is, Iw, Ib and Ic. After welding has been started, the left-hand display shows the present actual value of the welding current. -
Page 20: Argon Arc Welding Operation
OPERATION 4.4 Argon Arc Welding Operation 4.4.1 TIG welding (4T operation） The start current and crater current can be pre-set. This function can compensate for the possible crater that appears at the beginning and end of the welding. Thus, 4T is suitable for the welding of medium thickness plates. -
Page 21: Tig Welding (2T Operation)
OPERATION 4.4.2 TIG welding (2T operation) This function without the adjustment of start current and crater current is suitable for re- tack welding, transient welding, thin plate welding. I（A） Welding current Is Loosen the welding gun switch The setting base current Ib Arc is Arc is... - Page 22 OPERATION Short circuit protect function： ①TIG /DC/LIFT: When the tungsten electrode touches the workpiece, the current will drop to 20A and the tungsten spoilage will be reduced considerably. This prolongs the life of the tungsten electrode, and prevents tungsten clipping. ②TIG /DC/HF: When the tungsten electrode touches the workpiece, the current will drop to zero within one second and the tungsten spoilage will be reduced considerably.
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Page 23: Welding Parameters
OPERATION 4.5 Welding Parameters 4.5.1 Joint forms in TIG/MMA 4.5.2 The explanation of welding quality The relation of welding area colour & protection effect of stainless steel Welding area argent, golden blue red-grey grey black colour Protect effect best better good worst The relation of welding area colour &... - Page 24 OPERATION Gas nozzle and the shield gas flow rate DC positive connection Welding current Gas flow Gas flow Gas nozzle Gas nozzle range/A diameter/mm rate/L·min diameter/mm rate/L·min 10～100 4～9.5 4～5 8～9.5 6～8 101～150 4～9.5 4～7 9.5～11 7～10 151～200 6～13 6～8 11～13 7～10 201～300...
- Page 25 OPERATION Note: the above parameters originate from《Welding Dictionary》P150, Volume 1 of Edition 2. Parameters of piping back sealing welding for mild steel （DCEP） Argon Welding Piping Tungsten Welding flow rate rate Gas nozzle Welding diameter electrode wire diameter/mm current/A voltage/V Φ/mm diameter/mm diameter/mm...
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Page 26: Operational Environment
4.7 Operational Notifications ● Read section 1 carefully before attempting to use the Taurus TIG200ACDC-HF-P. ● Connect the earth cable directly to the machine as explained in section 3.5. ● Do not touch the output electrode with any part of your body while switching the machine on. -
MAINTENACE & TROUBLESHOOTING 5 Maintenance & Troubleshooting 5.1 Maintenance Efficient operation, safety as well as work life of the machine depends on regular maintenance. Follow the table below to assist with your maintenance requirements. ● Warning: Before maintenance is undertaken, shut off the power supply and wait for five minutes until the voltage of charged capacitors have declined to a safe level.
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Page 28: Troubleshooting
Regular maintenance is important to ensure successful machine operation and to obviate potential hazards. ⚫ Machine overhaul should only be undertaken by authorised technicians. For further information contact your Taurus agent or supplier. Follow the overhauling chart below for simple troubleshooting solutions: Troubles Reasons Solution Pilot light fused or insufficient connection. - Page 29 MAINTENACE & TROUBLESHOOTING Troubles Reasons Solution Gas pressure low or gas valve closed. Change cylinder or open valve. No gas flow (TIG). Valve obstruction. Remove obstruction. Electromagnetic valve damaged. Change valve. Gas-test on the front panel is switched on. Switch gas-test off. Blockage in valve.
