arcweld TIG 205 DC, Operator'S Manual

Page 1: ... Copyright 2015 The Shanghai Lincoln Electric Company Safety Depends on You arcweld machine is designed and built with safety in mind However your overall safety can be increased by proper installation and thoughtful operation on your part DO NOT INSTALL OPERATE OR REPAIR THIS EQUIPMENT WITHOUT READING THIS MANUAL AND THE SAFETY PRECAUTIONS CONTAINED THROUGHOUT And most importantly think before yo...

Page 2: ...rd your equipment identification information in the table below Model Name Code Serial Number can be found on the machine rating plate Model Name arcweld TIG 205 DC Code Serial number Date Where Purchased Authorized dealer s shop Declaration of conformity THE SHANGHAI LINCOLN ELECTRIC COMPANY Designed in conformance with the following norm AS 60974 1 GB15579 1 IEC 60974 1 THE SHANGHAI LINCOLN ELEC...

Page 3: ...ing and or warn them not to watch the arc nor expose themselves to the arc rays or to hot spatter or metal ELECTRIC SHOCK can kill 3 a The electrode and work or ground circuits are electrically hot when the welder is on Do not touch these hot parts with your bare skin or wet clothing Wear dry hole free gloves to insulate hand 3 b Insulate yourself from work and ground using dry insulation Make cer...

Page 4: ... in accordance with the national standards and the manufacturer s recommendations WELDING SPARKS can cause fire or explosion 6 a Remove fire hazards from the welding area If this is not possible cover them to prevent the welding sparks from starting a fire Remember that welding sparks and hot materials from welding can easily go through small cracks and openings to adjacent areas Avoid welding nea...

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Page 7: ...ose wishing to avoid electromagnetic interference Safety efficiency From a machine with protection features such as precharge function under voltage protection over voltage protection over heat protection over current protection and output short circuit protection Especially adopted protection circuit against electric shock In MMA mode the machine will turn off the main loop output power within 2 ...

Page 8: ...RANGE INPUT POWER Welding Mode Welding Current Range Open Circuit Voltage Welding Voltage Range 1 220V MMA 10A 170A 68V 13V VRD 20 4 V 26 8V GTAW 10A 200A 10 4 V 18V OTHER PARAMETERS Machine Power Factor Efficiency Protection Class Insulation Class arcweld TIG 205 DC 0 73 80 MMA 78 GTAW IP23S F PHYSICAL DIMENSIONS Machine Length Width Height Weight arcweld TIG 205 DC 455mm 185mm 335mm 11Kg 2 Tempe...

Page 9: ...r reference PIN DESCRIPTION WIRE 1 Switch Black 2 Switch White 3 Resistor up Green 4 Resistor middle Yellow 5 Resistor down Red For the safety and reliability of the electrical connection the terminal connection must be reliable otherwise it will cause the connection terminal damage or affect the welding performance ...

Page 10: ...me S TUP 0 10 Welding Current A I1 10 170 10 200 Base Current of I1 I2 10 90 Slop Down Time S TDOWN 0 10 Crater Current A IE 10 200 Postflow Time S 0 30 PULSE FREQUENCY Hz 0 1 20 PULSE RATIO 10 90 Spot Time S TUP 0 01 5 Hot Start Current A Is 10 200 Arc Force Current A TUP 10 200 Note The above parameters are subject to change with the improvement of machines ...

Page 11: ...fect the operation of RF controlled equipment which may result in bodily injury or damage to the equipment WARNING CAUTION INPUT CONNECTIONS ELECTRIC SHOCK can kill Have a qualified electrician install and service this equipment Disconnect input power by removing plug from receptacle before working inside machines Allow machine to sit for 5 minutes minimum to allow the power capacitors to discharg...

Page 12: ...UTPUT CONNECTIONS A quick disconnect system using twist mate cable plugs is used for the welding cable connections Refer to the following sections for more information on connecting the machine for operation of stick welding MMA or TIG GTAW CAUTION STICK WELDING MMA First determine the proper electrode polarity for the electrode to be used Consult the electrode data for this information Then conne...

Page 13: ...adapter of gas hose to the gas outlet on the case front of machine to be used Also connect the trigger male connector to the female connector on the case front Figure B 3 Figure B 4 STRIKING ARC OF TIG OPERATION When the tungsten electrode touches the workpiece the short circuit current is only 10A After generating arc current can rise to the preset welding current If the tungsten electrode touche...

Page 14: ...ng 4T For 4 step operation of long welding Local Remote SWITCH Local Normal working mode Remote Using foot pedal remote woking mode ENCODER SWITCH SETTING The switch can be turned and pushed Turning for choosing program and adjust data Pushing for confirming and exit of program and data SETTING PROCEDURES 1 Start setting Push the setting switch to start the setting the default setting LEDs are on ...

Page 15: ...p time peak current slope down time crater current and postflow time PREFLOW TIME SETTING In order to protect the workpiece and the tungsten from contamination and burnout set the preflow time to let argon gas purge the air in the gas hose and TIG torch The preflow provides protection for the area where the weld pool will be formed It also improves arc stability when the welding arc is created INI...

Page 16: ...80 150 220 180 250 4 4 4 4 5 5 5 5 DEOXIDIZED COPPER DC 1 0 1 6 2 4 3 2 4 0 4 8 6 4 1 6 2 4 2 4 3 2 3 2 4 0 3 2 4 0 4 8 4 0 4 8 4 0 4 8 6 4 1 6 1 6 2 4 2 4 3 2 3 2 4 8 4 0 4 8 4 8 6 4 4 8 6 4 60 90 80 120 110 150 140 200 180 250 250 300 300 400 3 4 3 4 4 4 5 4 5 5 6 5 6 NOTE To optimize the welding process it is recommend to grind the electrode prior to welding as described in the diagram below Gr...

Page 17: ...IG PULSE OPERATION PARAMETERS SETTING Choose the DC TIG mode and Pulse welding function LIFT HF 2T 4T adjust the preflow time initial current slope up time peak current base current slope down time crater current postflow time pulse frequency pulse ratio BASE CURRENT SETTING Usually set to a small value as long as it doesn t extinguish the arc PULSE FREQUENCY SETTING The higher frequency the dense...

Page 18: ...ENT A BASE CURRENT A PULSE FRE HZ PULSE RATIO MILD STEEL 0 1 2 1 6 200 150 130 50 20 20 2 5 1 5 1 50 45 50 60 30 15 STAINLESS STEEL 0 1 2 1 6 2 0 150 150 130 130 50 20 20 20 3 1 0 8 0 8 50 35 30 30 80 17 10 83 COPPER 0 1 2 1 6 280 280 280 50 50 50 3 2 1 5 50 50 40 80 50 25 TITANIUM 0 200 100 1 30 25 MATERIAL JOINT SHAPE GAP mm PULSE CONDITION WELDING SPEED cm min PEAK CURRENT A BASE CURRENT A PULS...

Page 19: ...AND CONNECTORS C 6 4 DC TIG SPOT OPERATION PARAMETERS SETTING Choose the SPOT mode adjust the preflow time slope up time spot welding time peak current slope down time Note In this mode the machine operates in HF and 2T only ...

Page 20: ...lace the display PCB Check fan is operating normally If the fan is damaged replace immediately If the fan does not rotate after the arc welding machine is overheated check if something is blocking the fan blade if it is blocked remove obstruction If the fan still does not rotate try to spin the blade in the rotation direction of fan If the fan rotates normally the start capacitor should be replace...

Page 21: ...short arc operation Welding operation in the field should have protection from wind Inclusion slag inclusion The slag sticks to the middle layer in the welding process Under current or over speed in the welding Welding operation is not correct The welding filler does not match the work piece The groove design processing are not correct Choose the electrode with easy slag removal Ensure all slag is...

Page 22: ...sible symptoms that the machine may exhibit Find the listing that best describes the symptom that the machine is exhibiting Step 2 POSSIBLE CAUSE The third column labeled POSSIBLE CAUSE lists the obvious external possibilities that may contribute to the machine symptom Step 3 RECOMMENDED COURSE OF ACTION This column provides a course of action for the Possible Cause If you do not understand or are...

Page 23: ...wer connectors of fan motor The fan motor damaged Change fan motor 4 No no load voltage output There is trouble inside the machine Check the main circuit inside machine 5 No welding output Welding cable is not connected to the output terminals Connect the welding cable to the output terminals Welding cable is broken Repair or replace the welding cable Work cable is not connected or loose Check con...

Page 24: ...ide of workpiece Use the short arc operation 11 The alarm light is on Over heat protection Over welding current Reduce the welding current output Exceed duty cycle Reduce the duty cycle interval of weld time Undervoltage overvoltage overcurrent protection circuits work Check if the input power is correct Output is in the short circuit situation Check and fix the short circuit issue outside machine...

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Page 26: ...NOTE THE SHANGHAI LINCOLN ELECTRIC COMPANY No 195 Lane 5008 Hu Tai Rd Baoshan Shanghai PRC 201907 www lincolnelectric com cn ...