Price: from $1,995.00

Collection: Featured Products Welding Equipment 

Product Type: TIG Welders

Brand Name: Unimig

Product Description


The UNIMIG 315AC/DC is a 415V square wave AC/DC TIG inverter welder incorporating full TIG functionality including AC balance control, pre gas, down slope, post gas, variable pulse parameters, HF start with 2T/4T trigger control. The HF arc start provides easy arc ignition preventing tungsten inclusion and contamination of the tungsten electrode. The adjustable Down Slope and Post Gas combined with the 2T/4T trigger function gives you control of the welder allowing you to control the start and finish of the weld process at a professional level. The addition of a fully adjustable pulse function of frequency, base current and pulse width gives you the added capability to better control heat input into the work, control penetration & control distortion. AC balance control lets you set the AC TIG arc for cleaning of the oxide layer on aluminium and adjustment for a deeper penetrating weld. Combining the functions of the UNIMIG 315AC/DC ensures comprehensive control of the welding parameters when welding both AC and DC weldable materials giving you the ability to produce professional TIG welds. The DC MMA welding capability delivers a smooth and stable arc allowing easy welding with electrodes obtaining high quality welds including cast Iron, stainless and low hydrogen.  Addition of the optional Foot Control provides variable amperage adjustment during welding. The UNIMIG 315AC/DC is ideal for multiple applications; aluminium & stainless steel fabrication and repair and maintenance applications. Robust & reliable, built to our specification and manufactured in compliance to AS/NZ60974-1

• Latest IGBT Inverter Technology
• AC/DC TIG (AC/DC tungsten inert gas welding)
• HF TIG Function (provides easy arc start, prevents tungsten damage)
• 2T/4T Trigger Function
• VRD Safety (Voltage Reduction Device)
• AC Square Wave with Adjustable AC Balance Control
• Adjustable Pulse Control – 0.5 – 300Hz
• Adjustable Base Current 10-90%
• Adjustable Down Slope 0-10 sec
• Adjustable Post Gas 0-10 sec
• Hot start (improves electrode starting)
• Arc Force (stabilises the arc with difficult to use electrodes)
• Remote Amperage Control – Optional

The UNIMIG 315 AC/DC TIG/MMA is packaged ready to weld and includes

  • 1 x UNIMIG 315 AC/DC Power Source
  • 1 x 4 metre Arc Welding lead set including twist lock electrode holder & 300 Amp earth clamp
  • 1 x SR26 4 metre TIG Torch
  • 1 x UNIMIG Argon Flowmeter Regulator
  • 1 x 2 metre gas hose
  • 1 x Instruction Manual


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