Unimig RAZOR ARC140 Operating Manual
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Unimig RAZOR ARC140 Operating Manual

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KUMJRRW180CA / KUMJRRW180CA | Operating Manual

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  • Page 1 KUMJRRW180CA / KUMJRRW180CA | Operating Manual...

  • Page 2: Table Of Contents

    RAZOR ARC 140/180 OPERATING MANUAL 1. Safety 2. Machine Features 3. Machine Specifications 3.1 RAZOR ARC 140 3.1.1 Technical Data 3.1.2 TIG Specifications 3.1.3 STICK Specifications 3.1.4 Size & Weight 3.2 RAZOR ARC 180 3.2.1 Technical Data 3.2.2 TIG Specifications 3.2.3 STICK Specifications 3.2.4 Size & Weight 4. Machine Layout 4.1 Front Panel Layout 4.2 Rear Panel Layout 5. Package Contents 6. MMA: Machine Setup 7. MMA: Welding Guide...

  • Page 3: Safety

    RAZOR ARC 140/180 OPERATING MANUAL 1. 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.
  • Page 4 RAZOR ARC 140/180 OPERATING MANUAL Fire hazard • Welding/cutting on closed containers, such as tanks, drums, or pipes, can cause them to explode. Flying sparks from the welding/cutting arc, hot workpiece, and hot equipment can cause fires and burns. Accidental contact of the electrode to metal objects can cause sparks, explosion, overheating, or fire.
  • Page 5 RAZOR ARC 140/180 OPERATING MANUAL Caution Working Environment • The environment in which this welding/cutting equipment is installed must be free of grinding dust, corrosive chemicals, flammable gas or materials etc., and at no more than a maximum of 80% humidity. •...
  • Page 6 RAZOR ARC 140/180 OPERATING MANUAL Attention! - Check For Gas Leakage At initial set up and at regular intervals we recommend to check for gas leakage Recommended procedure is as follows: 1. Connect the regulator and gas hose assembly and tighten all connectors and clamps. 2.

  • Page 7: Machine Features

    RAZOR ARC 140/180 OPERATING MANUAL 2. Machine Features DC Lift Arc TIG Anti-Stick Lift Arc ignition allows the arc to be started easily in DC Anti-stick prevents your electrode from sticking to your TIG by simply touching the tungsten to the work piece workpiece.

  • Page 8: Machine Specifications

    RAZOR ARC 140/180 OPERATING MANUAL 3. Machine Specifications 3.1 RAZOR ARC 140 3.1.1 Technical Data Parameter Values KUMJRRW140CA Primary Input Voltage 240V Single Phase Supply Plug 10 AMP Rated Input Power (kVA) Ieff (A) Rated Output 10-140A No Load Voltage (V) Protection Class IP21S Insulation Class Power Factor...

  • Page 9: Razor Arc 180

    RAZOR ARC 140/180 OPERATING MANUAL 3.2 RAZOR ARC 180 3.2.1 Technical Data Parameter Values KUMJRRW180CA Primary Input Voltage 240V Single Phase Supply Plug 15 AMP Rated Input Power (kVA) Ieff (A) 14.0 Rated Output 10-180A No Load Voltage (V) Protection Class IP21S Insulation Class Power Factor Minimum Generator (kVA)

  • Page 10: Machine Layout

    RAZOR ARC 140/180 OPERATING MANUAL 4. Machine Layout 4.1 Front Panel Layout 1. Power LED 2. Thermal Overload LED 3. VRD LED 4. Weld Mode Selector 5. Amperage Control Knob 6. Positive Output (+) 7. Negative Output (-) 4.2 Rear Panel Layout 8. VRD Switch 9.

  • Page 11: Package Contents

    RAZOR ARC 140/180 OPERATING MANUAL 5. Package Contents RAZOR ARC 140/180 Electrode Holder 3m 300 AMP Earth Clamp Lightweight Heavy Duty PVC Carry Case...

  • Page 12: Mma: Machine Setup

    RAZOR ARC 140/180 OPERATING MANUAL 6. MMA: Machine Setup 1. For DC+ electrodes, connect earth clamp to the 2. For DC- electrodes, connect earth clamp to the negative (-) dinse connection, and electrode holder to positive (+) dinse connection, and electrode holder to the positive (+) dinse connection.
  • Page 13 RAZOR ARC 140/180 OPERATING MANUAL 5. Twist electrode holder to loosen grip. 6. Place electrode into electrode holder. 7. Twist electrode holder to tighten and securely grip 8. Adjust amperage to desired setting. electrode.
  • Page 14 RAZOR ARC 140/180 OPERATING MANUAL 9. Connect earth clamp to your workpiece. 10. Strike electrode against workpiece to initiate arc. 11. Drag along workpiece to weld. Pull the electrode away from the workpiece to finish weld.

  • Page 15: Mma: Welding Guide

    RAZOR ARC 140/180 OPERATING MANUAL 7. MMA: Welding Guide One of the most common types of arc welding is Manual Metal Arc welding, also known as MMA welding. An electric current 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.
  • Page 16 RAZOR ARC 140/180 OPERATING MANUAL 7.1 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 specific classes of work.

  • Page 17: Tig: Machine Setup

    RAZOR ARC 140/180 OPERATING MANUAL 8. TIG: Machine Setup 1. Connect the TIG torch to the negative (-) dinse 2. Connect the earth clamp to the positive (+) dinse connection, twist to lock in place. connection, twist to lock in place. 3.
  • Page 18 RAZOR ARC 140/180 OPERATING MANUAL 5. Place argon flowmeter regulator into your gas outlet. 6. Tighten securely with wrench. 7. Connect gas hose to the flowmeter outlet, and crimp in 8. Adjust gas flow to 6-12L/min. place.
  • Page 19 RAZOR ARC 140/180 OPERATING MANUAL 9. Set the welding current using the amperage control 10. Connect earth clamp to your workpiece. dial. 11. Turn on the gas valve located on the TIG torch handle. 12. Lay the outside edge of the gas cup on the workpiece with the tungsten electrode 1- 2mm from the workpiece.
  • Page 20 RAZOR ARC 140/180 OPERATING MANUAL 13. With a small movement rotate the gas cup forward so 14. Now rotate the gas cup in the reverse direction to lift that the tungsten electrode touches the workpiece. the tungsten electrode from the workpiece to create the arc.

  • Page 21: Tig: Welding Guide

    RAZOR ARC 140/180 OPERATING MANUAL 9. TIG: Welding Guide 9.1 DC TIG Welding The DC power source uses what is known as DC (direct current) in which the main electrical component known as electrons flow 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 22 RAZOR ARC 140/180 OPERATING MANUAL 9.3 TIG Welding Fusion Technique Manual TIG welding is often considered the most difficult 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 Acetylene torch welding, TIG welding typically requires two hands and in most instances requires the welder to manually feed a filler wire into the weld pool with one hand while manipulating the welding torch in the other.
  • Page 23 RAZOR ARC 140/180 OPERATING MANUAL TIG TUNGSTEN SELECTION GUIDE 9.5 TIG Tungsten Selection Guide LANTHANATED ZIRCONIATED THORIATED RARE EARTH CERIATED (GOLD) (WHITE) (RED) (PURPLE) (GREY)     AC CURRENT     DC CURRENT     ALUMINIUM ...
  • Page 24 RAZOR ARC 140/180 OPERATING MANUAL 9.7 Tungsten Preparation Always use DIAMOND wheels when grinding and cutting. While tungsten is a tough material, the surface of a 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 finishes not visible to the eye that will contribute to weld inconsistency and weld defects.

  • Page 25: Machine Parts Breakdown

    10043957 Rectifier diode 10037859 Thermal switch WARNING: There are extremely dangerous voltage and power levels present inside this unit. Do not attempt to diagnose or repair unit by removing external cover unless you are an authorised repair agent for UNIMIG.

  • Page 26: Tig Troubleshooting

    RAZOR ARC 140/180 OPERATING MANUAL 11. TIG Troubleshooting 11.1 Tungsten burning away quickly • Incorrect gas or no gas: Use pure argon. Check cylinder has gas is connected, turned on and torch valve is open. • Inadequate gas flow: Check the gas is connected, check hoses, gas valve and torch are not restricted. •...
  • Page 27 RAZOR ARC 140/180 OPERATING MANUAL 11.6 Arc wanders during DC welding • Poor gas flow: Check and set the gas flow between 6-10 L/min flow rate. • Incorrect arc length: Lower torch so that the tungsten is off of the work piece 2-5mm. •...

  • Page 28: Mma (Stick) Troubleshooting

    RAZOR ARC 140/180 OPERATING MANUAL 12. MMA (STICK) Troubleshooting 12.1 No arc • Incomplete welding circuit: Check earth lead is connected. Check all cable connections. • Wrong mode selected: Check the MMA selector switch is selected. • No power supply: Check that the machine is switched on and has a power supply. 12.2 Porosity - Small cavities or holes resulting from gas pockets in weld metal •...
  • Page 29 RAZOR ARC 140/180 OPERATING MANUAL Notes...
  • Page 30 RAZOR ARC 140/180 OPERATING MANUAL Notes...
  • Page 31 RAZOR ARC 140/180 OPERATING MANUAL Notes...
  • Page 32 PH: (02) 9780 4200 PH: (07) 3333 2855 PH: (03) 8682 9911 PH: (08) 6363 5111 FAX: (02) 9780 4210 FAX: (07) 3274 5829 FAX: (03) 9333 7867 FAX: (08) 9417 4781 EMAIL: sales@unimig.com.au EMAIL: qld@unimig.com.au EMAIL: sales@unimig.com.au EMAIL: wasales@unimig.com.au...

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