NLC CMD Comissions New 1400 Litre Bucket Wheel Excavators Into Operation

Two Bucket wheel Excavators of 1400 Ltr. capacity were erected and supplied by M/s TAKRAF INDIA LTD., Chennai in collaboration with M/s TONOVA TAKRAF GmbH, Germany at a cost of Rs.330.03 Crore including spares and tools , maintenance cost for one year warranty period and three years after warranty . M/s Department of Machine Design and Research, (DMDR) of Wroclaw University, Poland was engaged as consultant to check the static calculations of structures. The machines are for the replacement of MAN-I and MAN-II, which have served a life of more than 30 years in Mine-II.

All the Main structural components of the equipment are indigenously manufactured. Indigenous Hoist Winch Gear box and brake frames are used in the machines for the first time in the history of NLC. The critical components such as bucket wheel gear box, main slew gear box and discharge boom slew gearbox, main slew and discharge slew bearing, are imported one.

The machine will be moved to Mine-II for removing the overburden soil and the guaranteed output of the machine will be not less than 2250 Cubic Metres per Hour. The maximum cutting height of the machine is 30 meters.

The electrical components are supplied by M/s Siemens. The Variable Voltage Variable Frequency, (VVVF) drives are installed for bucket wheel boom slew drive, discharge boom slew drive, bucket wheel boom hoist drive and cable reel drum drive with state of art Programmable Logic Control.

\In a simple function organized at the Specialized Mining Equipment Erection Yard near Mandarakuppam, Neyveli. Shri B.Surender Mohan CMD, NLC commissioned the two equipment. While speaking he lauded the hard work of NLC and TAKRAF employees to complete the erection of the machineries, 4 months ahead of the schedule.

Earlier, a 700 Litre Bucket Wheel Excavator was deployed recently in Mine-I. With these two machines Neyveli Mines will produce required quantity of lignite without interruption to feed the Power Stations.

On this occasion, Shri.Subir Das, Director (Mines), Shri Shiv Raj Singh, Chief Vigilance Officer, Executive Directors and the senior executives and employees of NLC were present.