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The welding machine is designed for flash-butt welding of elements of the railroad cross-pieces made of special steel with respective parts made of rail steel or for welding of rails with a height of 140-195 mm with a cross-section of 50002 to 15 000 mm2 in stationary conditions, with burr removing immediately after welding.

Parameter nameRate
Rated mains voltage, V380
Mains current frequency, Hz50
Maximum secondary current, kA55
Rated continuous secondary current, kA19
Short circuit power, kVA400
Welding power at DC=50%, kVA180
Maximum operating pressure in the hydraulic system, MPa21
Maximum upset speed, mm/sec200
Maximum upset force, kH1500
Maximum clamping force, kH4000
Weight of welding machine, kg42 000
Overall dimensions, mm, of:
- welding machine4985×2890×3700
- control cabinet1290×690×1730
- pump station1300×745×1420
- recording system cabinet690×690×1750


• The rail centering is carried out manually by the operator using the buttons on the control panel.

• Convenient design (on wheels) of the mobile control panel of the welding machine.

• Protection of the operator against sparks during welding.

• Protection of welding and control cables, high-pressure hoses against sparks during welding and against mechanical damages.

• The current-leading inserts are made of wear-resistant conductive material designed for a long service life.

• Weldreg 3 program, a self-engineered products operating in Windows environment, is used to register the parameters of the welding modes.

• The machine is equipped with a welding control system, built on the latest Siemens controller, which provides:

– setting and control of process-dependent parameters that determine the welded joint quality;

– monitoring the condition of the machine’s actuators;

– monitoring the condition of the electrical part of the machine;

– providing the operator with real-time information about the welding process;

– gathering and storing of information on the welding process of each welded joint;

– providing each welded joint with a data sheet;

– self-control and self-diagnostics.

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