Subscribe to Our Youtube Channel
Related Manuals for Unimig VIPER ARC 140
Summary of Contents for Unimig VIPER ARC 140
- Page 1 140AMP DC INVERTER ARC WELDER OPERATING MANUAL KUMJRVA140 Please read and understand this instruction manual carefully © before the installation and operation of this equipment. Welding Guns Of Australia PTY LTD 2015...
- Page 2 • New product will not be supplied unless Welding Guns Of Australia PTY LTD has inspected product returned for warranty and agree’s to replace product. • Product will only be replaced if repair is not possible • Please view full Warranty term and conditions supplied with machine or at www.unimig.com.au/ warranty.asp or at the back of this manual.
- Page 3 SAFETY Welding and cutting equipment can be dangerous to both the operator and people in or near the surrounding working area, if the equipment is not correctly operated. Equipment must only be used under the strict and comprehensive observance of all relevant safety regulations. Read and understand this instruction manual carefully before the installation and operation of this equipment.
- Page 4 Fire hazard. Welding on closed containers, such as tanks,drums, or pipes, can cause them to explode. Flying sparks from the welding arc, hot work piece, and hot equipment can cause fires and burns. Accidental contact of electrode to metal objects can cause sparks, explosion, overheating, or fire. Check and be sure the area is safe before doing any welding. • The welding sparks & spatter may cause fire, therefore remove any flammable materials well away from the working area. Cover flammable materials and containers with approved covers if unable to be moved from the welding area. •...
- Page 5 CAUTION 1. Working Environment. 1.1 The environment in which this welding equipment is installed must be free of grinding dust, corrosive chemicals, flammable gas or materials etc, and at no more than maximum of 80% humidity. 1.2 When using the machine outdoors protect the machine from direct sun light, rain water and snow etc; the temperature of working environment should be maintained within -10°C to +40°C. 1.3 Keep this equipment 30cm distant from the wall. 1.4 Ensure the working environment is well ventilated.
- Page 6 UNIMIG name to be. The DC MMA welding function delivers a smooth and incredibly stable arc al- lowing easy welding with electrodes producing high quality welds including cast Iron, stainless steel and low hydrogen.
- Page 7 FRONT MACHINE LAYOUT DESCRIPTION 140AMP DC INVERTER ARC WELDER Primary Power LED Thermal Alarm LED Amperage Control Dial Negative Output Positive Output Terminal Terminal Rear Machine Layout Description Primary Input On /Off Power Switch Power Lead Cooling Fan...
- Page 8 INSTALLATION SET UP FOR MMA (STICK) WELDING WITH VIPER 140 Please install the machine strictly according to the following steps. The protection class of this machine is IP21S, so avoid using it in rain. (1) Connection of Output Cables: Various electrodes require a different polarity for optimum results refer to the electrode manufacturers information for the correct polarity.
- Page 9 MMA (Manual Metal Arc) General Description One of the most common types of arc welding is manual metal arc welding (MMA) or stick welding. An electric cur- rent is used to strike an arc between the base material and a consumable electrode rod or ‘stick’. The electrode rod is made of a material that is compatible with the base material being welded and is covered with a ...
- Page 10 MMA (Stick) Welding General Description Electrode Selection As a general rule, the selection of an electrode is straight forward,in that it is only a matter of selecting an electrode of similar composition to the parent metal. However, for some metals there is a choice of several electrodes, each of which has particular properties to suit speci...
- Page 11 INSTALLATION AND SET UP FOR DC TIG WELDING FOR VIPER 140 (1) Switch on the machine. (2) Insert the power cable plug of the TIG torch into the Negative socket on the front of the machine and tighten it. (3) Insert the earth cable plug into the Positive socket on the front of the machine and tighten it. (4) Connect the gas line of the Tig torch to regulator and connect the regulator to the gas cylinder (4) Connect the gas line to the regulator and connect to the gas cylinder...
- Page 12 SCRATCH ARC DC TIG OPERATION FOR VIPER 140/160 Scratch Arc ignition allows the arc to be started in DC TIG by lightly scratching the tungsten in a backward motion against the work piece, (similar to striking a match) lift the tungsten slightly from the work piece to establish and hold an arc.
- Page 13 DC TIG Welding General Description The DC power source uses what is known as DC (direct current) in which the main elec- trical component known as electrons ow in only one direction from the negative pole (terminal) to the positive pole (terminal). In the DC electrical circuit there is an electrical principle at work which should always be taken into account when using any DC circuit.
- Page 14 TIG Welding Fusion Technique Manual TIG welding is often considered the most dif cult of all the welding processes. Because the welder must maintain a short arc length, great care and skill are required to prevent contact between the electrode and the workpiece. Similar to Oxygen Acety- lene torch welding, Tig welding normally requires two hands and in most instances requires the welder to manually feed a ...
- Page 15 Tungsten Electrodes Tungsten is a rare metallic element used for manufacturing TIG welding electrodes. The TIG process relies on tung- sten’s hardness and high-temperature resistance to carry the welding current to the arc. Tungsten has the highest melting point of any metal, 3,410 degrees Celsius. Tungsten electrodes are nonconsumable and come in a variety of sizes, they are made from pure tungsten or an al- loy of tungsten and other rare earth elements.
- Page 16 Tungsten preparation Always use wheels when grinding and cutting. While tungsten is a very hard material, the surface of a DIAMOND diamond wheel is harder, and this makes for smooth grinding. Grinding without diamond wheels, such as aluminium oxide wheels, can lead to jagged edges, imperfections, or poor surface nishes not visible to the eye that will contrib- ute to weld inconsistency and weld defects.
- Page 17 Suregrip Series 17V TIG TORCH 150A AIR COOLED TIG WELDING TORCH Rating: 150Amp DC, 105Amp AC @35% duty cycle. For use with non gas solenoid machines Wear Parts Identification Next Page Torch Model Description Part Number 17V Suregrip Tig Torch Package c/w 2m Gas Hose 17V-4MCP25 17V-8MCP25 Spare Parts...
- Page 18 Suregrip Series 17V TIG TORCH Standard Front End Parts Part # Description Part # Description Part # Description 18CG Cup Gasket 10N30 Collet Body 1.0mm 10N49L Long Alumina Nozzle Ø 10mm 10N31 Collet Body 1.6mm 53N48L Long Alumina Nozzle Ø 11mm 10N32 Collet Body 2.4mm...
- Page 19 MMA (Stick) WELDING TROUBLE SHOOTING The following chart addresses some of the common problems of MMA welding. In all cases of equipment malfunction, the manufacturer’s recommendations should be strictly adhered to and followed. 1: No arc Possible Reason Suggested Remedy Incomplete welding circuit Check earth lead is connected.
- Page 20 TIG WELDING TROUBLE SHOOTING The following chart addresses some of the common problems of DC TIG welding. In all cases of equipment malfunction, the manufacturer’s recommendations should be strictly adhered to and followed. 1: Tungsten burning away quickly Possible Reason Suggested Remedy Incorrect Gas Check that pure Argon is being used...
- Page 21 8: Arc dif cult to start or will not start DC welding Possible Reason Suggested Remedy Incorrect machine set up Check machine set up is correct No gas, incorrect gas ow Check the gas is connected and cylinder valve open, check hoses, gas valve and torch are not restricted.
- Page 22 We offer the following ‘Warranty Periods’ from ‘date of purchase’: An Extended Warranty Period of 6 months total shall apply only to Machinery where offered and warranty is registered online. UNI-MIG WELDING MACHINES UNIMIG VIPER Series (Power Source Only) 1 Year UNI-MIG DIY Series (Power Source Only) 2 Years...
- Page 23 WARRANTY / RETURNS / EXCHANGES We understand that sometimes you may need to return a product you have purchased from Welding Guns Of Australia PTY LTD Authorised Dealer Network, to assist you, we have set out below the Welding Guns Of Australia PTY LTD Returns Policy that you should know.
- Page 24 WARRANTY EXCLUSIONS This Warranty covers Material and Faulty Workmanship defects only. This Warranty does not cover damage caused by: • Normal wear and tear due to usage • Misuse or abusive use of the UNI-MIG, UNI-TIG, UNI-PLAS, UNI-FLAME, TECNA, T&R, HIT-8SS & ROTA, instructions supplied with the product.
- Page 25 Notes...
- Page 26 Notes...
- Page 27 Notes...
- Page 28 DC INVERTER ARC WELDER Welding Guns Of Australia Pty Ltd ABN: 14 001 804 422 PO Box 3033, Lansvale NSW 2166, AUSTRALIA 112 Christina Rd, Villawood, NSW 2163 Phone: (02) 9780 4200 Fax: (02) 9780 4244 Email: sales@unimig.com.au / Web: www.unimig.com.au...
Need help?
Do you have a question about the VIPER ARC 140 and is the answer not in the manual?
Questions and answers