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Summary of Contents for Rtech Tig200 DC Digital
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Page 1: Operating Instructions
Email: sales@r-techwelding.co.uk Tel: 01452 733933 Fax: 01452 733939 Tig200 DC Digital Tig Welder Operating Instructions... - Page 2 Important Notice: This document has been prepared by R-Tech Welding Ltd. as general information and does not contain and is not to be taken as containing any specific recommendation.The document has been prepared in good faith and is professional opinion only. Information in this document has been derived from third parties, and though R-Tech Welding Ltd believes it to be reliable as at the time of printing, R-Tech Welding makes no representation or warranty as to the accuracy, reliability or completeness of information in this document and does not assume any responsibility for updating any information or correcting any error or omission which...
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Page 3: Table Of Contents
Contents 1.0 Recommended Safety Precautions 1.1 Health Hazard Information 1.2 Personal Protection 1.3 Electric Shock 1.4 User Responsibility 2.0 Gas Tungsten Arc Welding (GTAW/TIG) 2.1 Introduction 2.2 Process 2.3 Process Variables 2.4 Shielding Gas Selection 2.5 Consumable Selection 2.6 Welding Techniques 2.7 Torch Movement During Welding 2.8 Joint Preparation 3.0 TIG Welding of Materials... -
Page 4: Recommended Safety Precautions
1.0 Recommended Safety Precautions 1.1 Health Hazard Information Fumes from the welding of some metals could have an adverse effect on your health. ’ t The actual process of welding is one that can breathe them in. If you are welding on material cause a variety of hazards.All appropriate such as stainless steel, nickel, nickel alloys safety equipment should be worn at all times,... - Page 5 Cylinder Valve Safety Cylinder Safety When working with cylinders or operating cylinder valves, ensure that you wear appropriate protectiv e clothing glo ves, boots and safety glasses. When moving cylinders, ensure that the valve is not accidentally opened in transit. Before operating a cylinder valve: Ensure that the system you are connecting the cylinder into is suitable for the gas and...
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Page 6: Electrical Shock
damage the valve.Approved leak detection fluid can be obtained from a gas supplier When finished with the cylinder, close the cylinder valve by hand by turning the valve hand-wheel in a clockwise direction. Use only reasonable force. PLEASE NOTE that under no circumstances should any equipment or parts be altered 1.3 Electrical Shock or changed in any way from the standard... -
Page 7: Gas Tungsten Arc Welding (Gtaw/Tig)
2.0 Gas Tungsten Arc Welding (GTAW/TIG) 2.1 Introduction Direct or alternating current power sources The Tungsten Inert Gas, or TIG process, uses with constant current output characteristics the heat generated by an electric arc struck are normally employed to supply the welding between a non-consumable tungsten electrode current. - Page 8 Use of DCEN Use of DCEP Intense heat means a larger diameter of For a given diameter of tungsten electrode, electrode must be used with DCEP. higher amperage can be used with straight Maximum welding amperage should be polarity. Straight polarity is used mainly for relatively low (approximately six times lower welding: than with DCEN).
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Page 9: Shielding Gas Selection
2.4 Shielding Gas Selection... -
Page 10: Consumable Selection
2.5 Consumable Selection a) Welding wire The following table includes the recommended welding consumable for the most commonly welded materials. -
Page 11: Welding Techniques
2.6 Welding Techniques 2.7 Torch Movement During Welding 2.8 Positioning Torch Tungsten for Various Weld Joints... -
Page 15: Joint Preparation
2.9 Joint Preparation... -
Page 19: Tig Welding Of Materials
3.0 TIG Welding of Materials 3.1 Application Summary... -
Page 20: C-Mn Steel
3.2 C-Mn Steel recommended as the shielding gas for steel. Filler rods are usually selected to match the TIG welding may be used for welding carbon chemical composition and the mechanical steel but because deposition rates are low, it properties of the parent plate.The weldability of is usually only used for welding sheet and thin the steel may impose restrictions on the choice sections for high quality applications, small... -
Page 21: Alloyed Steel
3.3 Alloyed Steel for TIG welding and pure argon is normally recommended as the shielding gas for welding alloy steel. TIG welding may be used for welding alloy steels but because deposition rates are low, Filler rods are usually selected to match the it is usually only used for welding sheet and chemical composition and the mechanical thin sections for high quality applications, small... -
Page 22: Stainless Steel
3.4 Stainless Steel grades, enriched in nickel for duplex grades, Is a high quality process ideally suited for and may be matching or an austenitic type for welding of stainless steels, particularly thin sheet ferritic and martensitic grades. up to about 5mm thick where weld integrity Shielding gas is conventionally pure argon, but and good surface finish are critical.The process other gases are available to provide specific... -
Page 23: Aluminium
3.5 Aluminium to be made. High purity argon and argonhelium shielding gas mixtures can be used. The AC output may be conventional sine wave Is a high quality process widely used for welding or square wave and many electronic power aluminium, particularly in section size up to sources allow the AC waveform to be adjusted, about 6mm.The process may be operated with... -
Page 24: Copper And Copper Alloys
3.7 Copper and Copper Alloys Cleanliness is important when welding copper, alloys, particularly in thicker sections. Pure and all dirt, grease, and other contaminants argon is the shielding gas used for AC TIG must be removed before welding. Copper welding. alloys containing aluminium will form a surface TIG consumables are solid filler rods based oxide film and this must also be removed... -
Page 25: Connection Your R-Tech Tig200Dc Pfc
4.0 Connecting your R-Tech TIG200DC PFC welding machine 4.1 Power 4.3 TIG Torch Connection The machine is designed to operate on a 240 The R-Tech TIG200DC PFC +/- 15% input single phase AC outlet. machine is rated at 200A, 35% duty cycle. The matching TIG torch for this machine is the Ensure that there is adequate ventilation Wp26 torch. - Page 26 10 11 TIG ARC 200MP TIG ARC 200MP...
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Page 28: Tig Welding Operation
4.5.1 For Direct current (DC) For 2T operation: TIG Welding Depress the contactor switch on the torch and hold this down for the entire weld. Select the correct size and type of non consumable tungsten and shielding gas for the Selecting the 2T function will disable the Start application. - Page 29 As a general rule, increasing the frequency at a given set of welding and background current the heat input into the plate will increase.
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Page 30: Technical Specifications
5.0 Technical Specifications TIG 200DC PFC Model No. TIG200DC PFC Part No. Power voltage (V) 1ph AC 230V +/15% Frequency (HZ) 50/60 Fuse rating Output Current (A) Stick 10-150 TIG 5-200 No-load voltage (V) Duty Cycle (%) @ 200A Power Factor 0.95 Protection Grading 1P23... -
Page 31: Warranty Information
6.0 Warranty Information 6.1 Terms of Warranty 6.3 Warranty Repairs R-Tech Welding provides a Warranty for the R-Tech or their Authorised Service Agent TIG200DC PFC sold by it must be informed of the Warranty defects, against defects in manufacture and materials. and the product returned within the Warranty Period. -
Page 32: Recommended Safety Guidelines
7.0 Recommended Safety Guidelines Some safety precautions R-Tech Welding recommends are as follows: Repair or replace defective cables immediately. Keep fire extinguishing equipment at a handy location in the shop. Never watch the arc except through lenses of the correct shade. Keep primary terminals and live parts effectively covered. - Page 33 Notes...
- Page 34 Notes...
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