Flash-Butt Welder, Direct Current (DC) Inverter Type

Flash-Butt Welder, Direct Current (DC) Inverter Type
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Flash-butt welder (direct current (DC) inverter type) is a forge-type butt weld with two major welding processes of flashing and upsetting. The flash process generates heat in the work pieces to guarantee a high quality weld. The upset at the weld joint is both smooth and symmetrical. This welding machine with high productivity can be widely used for the welding of metal wires, rods, panels or other metal materials of special shapes.

Features
  • Welding rectifier, silicon power rectifiers and high Si content electrical steel sheets allow for large output direct current and the machine is energy saving and environmentally friendly.
  • Special shaped electrode for the good welding of vertical butt joints of metal tubes and metal plates
  • Vertical pneumatic clamp or vertical hydraulic clamp ensures the accurate and draw-resistant butt welds.
  • A track carriage guide with two axes boasts high accuracy and wear- resistance and provides running stability to make consistent joint quality.
  • The processes of pre-heating, flashing, upsetting are all under easy-to-use microprocessor precision control.
  • Chillers at temperatures exceeding the dew point can be set to avoid internal sweating of the machine’s transformer and silicon-controlled rectifier (SCR), which can cause an electrical short.
Parameter
Item Unit UN-25 UN-40 UN-63 UN-80 UN-100 UN-150 UN-200
Rated voltage V 380 380 380 380 380 380 380
Rated frequency HZ 50/60 50/60 50/60 50/60 50/60 50/60 50/60
Rated capacity KVA 25 40 63 80 100 150 200
Rated duty cycle % 30 30 30 30 30 30 30
Insulation class B B B B B B B
Maximum secondary short circuit current A 8000 12000 20000 24000 12000 20000 24000
Maximum welding power KVA 35 63 80 100 150 200 300
Maximum pressure N 3900 3900 3900 6100 6100 12000 12000
Maximum forging force KN 1.5 1.5 1.5 2.5 2.5 3.5 3.5
Input air pressure Mpa 0.5 0.5 0.5 0.5 0.5 0.5 0.5
Cooling water flow L/min 5 5 5 7 7 7 7
Stroke mm 50 50 60 60
Control numerical control
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