Micro Wire Butt Welder

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Fine wire butt welder for 0.25 to 4.0 mm wire diameter.
Commonly used welding materials are iron, steel, nickel, copper, brass, and light metals.
The Cruxweld micro butt welder is designed to work harder, last longer, and provide continuous operation for superior quality welds on a consistent basis. Our range of micro butt welders starts from 1KVA to 5KVA for welding different diameter wires. This rugged and compact benchtop micro butt welder is specially designed for welding ferrous and non-ferrous wires from 0.25mm to 4mm in diameter to withstand subsequent wire drawing.


Our resistance micro butt welders are designed with simplicity, allowing any operator to create a perfect weld in seconds, with no special skills required. As a result, this butt welding machine can greatly accelerate production where the wire is the primary activity. The Cruxweld CMB series is equipped with an annealing function. And the jaw opening and closing work precisely with a manual lever.
This micro butt welder is a very fast, simple, and automatic upsetting butt welder. The welding current and the initial upsetting gap must be set according to the wire gauge, with the upsetting pressure being preset. The end of the wires should be clamped with special quick-release clamps to correct the alignment of the wire ends. At the push of a button, the weld cycle is started and stopped automatically by built-in controls.
The last important step is the annealing process, which is a built-in function of this equipment, and you can start this process after welding is completed. The welding and annealing process can be done in the same fixture without changing the alignment and setup, saving time and increasing productivity.


  • Adjustable upset pressure
  • Welding and annealing current multi-position adjustment
  • Welding power adjustment
  • Sturdy construction
  • Low maintenance cost
  • Adjustable limit switch
  • Easy to operate


Specification Unit CMB-1K CMB-2K CMB-3K CMB-4K CMB-5K
KVA rating KVA 1 2 3 4 5
Input voltage Volt 230 230 230 230 230
Frequency Hz 50/60 50/60 50/60 50/60 50/60
Phase No 1 1 1 1 1
Fuse rating Amp 6 6 13 15 16
Selector steps No 8 8 8 8 8
Shearing attachment for range diameter mm 0.7 to 1.5 0.8 to 2.5 0.8 to 2.5 1 to 3 1.5 to 3.8
Insulation Class H H H H H
Suitable material to weld Type Iron, steel, nickel, copper, brass & aluminium Iron, steel, nickel, copper, brass & aluminium Iron, steel, nickel, copper, brass, aluminium & high carbon Iron, steel, nickel, copper, brass, aluminium & high carbon Iron, steel, nickel, copper, brass, aluminium & high carbon
Dimensions (LxWxH) mm 213x193x450 213x193x450 213x193x450 220x300x450 220x300x450
Weight (approx) Kg 15 18 20 22 35


  • Mainly proposed for Butt welding of ferrous and non-ferrous wires in the span of 0.30 to 2.50 mm diameter, to withstand subsequent drawing.
  • Alteration of welding current by 8-position rotary switch.
  • Upset travel – Flexible platen travel on two parallel guides.
  • The automatic welding practice establishes high tensile and superior weld results.
  • Upset pressure – provided by a precision spring action on the movable platen, pre-calibrated.
  • The edges of the wire to be joined are ‘processed’ on the special shearing attachment (optional).
  • By pushing the button, the butt welding cycle is proposed and done automatically by built-in controls.
  • Weld finished, the task is then de-clamped and annealed in the annealing device (optional), if mandatory.
  • Welding current and initial up-set gap set according to the size of wire, the up-setting pressure being preset at works.
  • Electrodes – special wear-resistant copper alloy electrodes provided with precision ‘V’ grooves, permit rapid and authentic adjustment of wires.


Join the Conversation


  1. Eng Kamundia says:

    I been one to join galvanised steel wires of 1.5to 2.0 mm

    1. Ok sir, we will get in touch with you.

  2. viral Narendrabhai shah says:


  3. viral Narendrabhai shah says:

    Price of home use butt welding machine

  4. Hello.

    I want to know more detailed info of micro welder.

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