The machine consist of a Flash Butt Welding unit mounted and fixed on Rail-Cum-Road-Vehicle capable of moving on road as well as on rail and performing Flash Butt Welding of rail joints both on track and on cess. In addition to the Pneumatic tyres of Road vehicle, the rail wheels for movement on railway track are provided separately. The machine is self-propelled and capable of moving in both directions.
The machine is designed in such a way that the welding head along with its rail clamping device, rail pulling device, rail aligning device, rail lifting device, weld trimming device and their manipulator with necessary control panels and other arrangements are stretchable from the container for welding work and can be retreated back into the container after completion of welding. The complete operation of out stretching, retreating and rotation of units are hydraulically controlled.
All components of Flash Butt Welding units are housed in a self contained enclosure, lined and insulated with fire retarding sound proof material and automatic fire protection system in the engine compartment (refer to inset photo). It is suitable to be used for depot welding, on-track welding (weld renewal/replacing fractures/cess welding), and cess welding at construction sites. The machine is a dual purpose unit that can be locked to do normal welding and also should have the capability of getting auto extended & using rail pulling arrangement to do long closure welding up to 200 mm of traction & 150 Ton minimum traction force. The machine is also equipped with a trimmer which has the capability to trim excess hot upset metal all round the rail section in such a way that minimum grinding is required to achieve final finished profile.