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Related Manuals for GWS TIGARC 200DC TIG
Summary of Contents for GWS TIGARC 200DC TIG
- Page 1 INSTRUCTIONAL MANUAL...
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Page 2: Table Of Contents
Contents 1.0 Recommended Safety Precautions ......2 1.1 Health Hazard Information ........2 1.2 Personal Protection ..........2 1.3 Electric Shock ............3 1.4 User Responsibilities ..........3 2.0 Gas Tungsten Arc Welding (GTAW/TIG) ....4 2.1 Introduction ............4 2.2 Polarity Variations .......... -
Page 3: Recommended Safety Precautions
1.0 Recommended Safety Precautions Clothing 1.1 Health Hazard Information Suitable clothing must be worn to prevent excessive skin The welding process can cause a variety of possible hazards exposure to UV radiation, sparks and molten metal. Flame- for the operator and those in close proximity. All proof, loose fitting cotton clothing buttoned to the neck, appropriate safety precautions should be made to prevent protective leather gloves, spats, apron and steel toe safety... -
Page 4: Electric Shock
Ten Points about Cylinder Safety When operating the cylinder valve: (continued) 6) Keep in a cool, well ventilated area, away from heat • Open by hand turning the valve hand wheel sources, of ignition and combustible materials, anti-clockwise using no more than reasonable force especially flammable gases •... -
Page 5: Gas Tungsten Arc Welding (Gtaw/Tig)
2.0 Gas Tungsten Arc Welding (GTAW/TIG) 2.2 Polarity Variations 2.1 Introduction DCEN When direct-current electrode-negative (straight polarity) Sheilding gas is used: • Electrons strike the part being welded at a high speed TIG filler rod • Intense heat on the base metal is produced Weld pool •... - Page 6 DCEP DCEP (reverse polarity) is different from DCEN in the following ways: • High heat is produced on the electrode rather than on the base metal • The heat melts the tungsten electrode tip • The base metal remains relatively cool compared to straight polarity •...
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Page 7: Shielding Gas Selection
2.3 Shielding Gas Selection Aluminium bronze Brass Cobalt-based alloys Copper-nickel (Monel) Deoxised copper Nickel alloys (Inconel) Steel Magnesium alloys Stainless steel Titanium... -
Page 8: Consumable Selection
2.4 Consumable Selection Welding Wire The following table includes the recommended welding consumable for the most commonly welded materials. 0.9 - 1.6 1.6 - 2.0 1.6 - 2.0... -
Page 9: Welding Techniques
2.5 Welding Techniques 2.6 Torch Movement During Welding 2.7 Positioning Torch Tungsten for Various Weld Joints... -
Page 10: Non Consumable Tungstens
Non Consumable Tungstens DCEP DCEN 100% He Mild Steels, Carbon Steels, Alloy Steels, Stainless Steels & Titanium Alloys DCEN DCEN 100% He... -
Page 13: Joint Preparation
2.6 Joint Preparation... -
Page 15: Troubleshooting
Increase gas flow post time to approx. 1 sec per 10 amps strike plate or use high frequency arc starter. Filler material is oily, dusty or rusty... - Page 16 Lower the travel speed/increase amps Preheat. Increase weld bead cross-section size. Change weld bead contour. Use metal with fewer alloy impurities & longer down slope Use remote amperage or foot control to manually down slope current Change gas flow or gas lens parts Reduce weld current and use arc length as short as possible.
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Page 17: Tig Welding Material Reference
3.0 TIG Welding Material Reference 3.1 Application Summary DCEN DCEN DCEN DCEN DCEN ACEN DCEN ACEN... -
Page 18: C-Mn Steel
3.2 C-Mn Steel Filler rods are usually selected to match the chemical TIG welding may be used for welding carbon steel but composition and the mechanical properties of the parent because deposition rates are low, it is usually only used for plate. -
Page 19: Alloyed Steel
3.3 Alloyed Steel Filler rods are usually selected to match the chemical TIG welding may be used for welding alloyed steel but composition and the mechanical properties of the parent because deposition rates are low, it is usually only used for plate. -
Page 20: Stainless Steel
3.4 Stainless Steel 3.5 Aluminium (AC Welding Only) TIG welding is often used for stainless steels, in particular, TIG welding is widely used for welding aluminium, thin sheet up to 5mm thick, where weld integrity and good particularly up to about 6mm thick. surface finish are critical. -
Page 21: Balanced Square Wave
3.6 Balanced Square wave 3.7 Copper & Copper Alloys The balance on square wave machines can be adjusted to Cleanliness is important when welding copper. All dirt, achieve a desired result. Greater amounts of EN create a grease, and other contaminants must be removed before deeper, narrower weldbead and better joint penetration. -
Page 22: Getting Started With Your Tigarc 200Dc
4.0 Getting Started With Your TIGARC 200DC 4.1 Power 4.3 Connecting the Torch This machine is designed to operate on a 230+/- 15% input The TIG 200DC is rated at 200A, 40% duty cycle. The single phase AC outlet. The machine is supplied with a heavy matching TIG torch for this machine is the TIG 26 Torch duty 15A input plug. -
Page 23: Panel, Functions & Features Guide
Front 4.5 Panel, Functions & Features Guide Back 38 39 Defaulting to Factory Settings 1. Power indicator light 21. Welding current 2. Fault indicator illuminates on 22. PULSE AMPS(%) To reset your TIG 200DC to original Overheating, undervoltage, 23. DOWN SLOPE(S) factory settings, press and hold #36 for machine overvoltage. -
Page 24: Dc Tig Welding
4.6 Direct Current (DC) TIG Welding For 2T Operations Select the correct size and type of non consumable tungsten Depress the trigger on the torch and hold down for the and shielding gas appropriate for the chosen application. entire weld duration. Selecting the 2T function will disable See selection chart in 2.3 as a guidelines. -
Page 25: Ac Tig Welding
5.0 Technical Parameters Power Factor Correction (PFC) 200DC The wave shape of the current drawn from the mains is made Input Voltage( V) 1-220/230/240 50/60Hz sinusoidal by the PFC device with a consequent total lack of Rated Input Power kVA harmonic disurbances in the mains and consumption optimisation, which allows for the use of a 16 A fuse. -
Page 26: Technical Specifications
7.0 Recommended Safety Guidelines Safety precautions & recommendations include: • Repair or replace defective cables immediately • Keep fire extinguishing equipment in a handy location nearby • Never look directly at the arc except through an appropriate protective shade level lens •...
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