Complete Info CLW

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Cumulative production of Traction Motors during the year 2006-07, has touched an all time high of 1041 Traction Motors (761Hitachi & 280 Three phase) .This is the Best ever in the 51 years history of CLW .CLW has achieved the rare distinction of being the only Production Unit in the country which can cross 1000 Traction Motors production mark in a year. The cumulative out turn of the Traction Motor is better by 12% compared to previous year’s figure of 931.

PHASE TRACTION MOTOR TYPE 6FRA6068 & 6FXA7059 : 3-Phase Traction Motors type 6FRA6068 for WAG-9 and WAP-7 locomotives & 6FXA7059 for WAP-5 locomotive are being manufactured indigenously by CLW since the financial year 1998-99 & 1999–2000 respectively. CLW has manufactured 887 Nos. 6FRA6068 TM and 38 Nos. 6FXA7059 TM up to 31.03.2007. With the production of 3 – phase Traction Motor, CLW has entered the era of State of the art, 3-phase technology. These Traction Motors, due to absence of Commutator and commutator peripherals like carbon brushes, brush holders etc. require nominal maintenance and are free from problems associated with DC Traction Motors.

Hitachi Traction Motor is one of the most critical and vital equipment in Conventional Electric Locomotives type WAG–7 & WAP–4 under production at CLW. The production of Hitachi TM is now completely stabilized. CLW has manufactured 7927 Nos. of Hitachi TM type: HS-15250A upto 31.03.07.

Chittaranjan Locomotive Works (CLW) is the dream of the nation’s visionaries, coming true. The planners of the Nation with their deep insight and foresight set to build a Loco building Factory in West Bengal and CLW is that vision, coming true. On the 9th of January 1948, survey of the proposed area was done.

The rocky soil was an advantage in erecting foundations for heavy structural work and the undulating terrain solved the problem of drainage for the township while the schemes of the DVC envisaged hydro-electric and thermal power stations in the vicinity assured cheap power availability in the near future. It is the only major Electric Locomotive builder in the country. It is situated just at the Border of West Bengal and Jharkhand and is at about 32 km from Asansol and 237 kms from Kolkata.

The place where today CLW is situated was actually a hamlet of small villages. The locoworks with its ancillary workshops has a stores purchase office in Kolkata and inspection cells in New Delhi, Mumbai, Kolkata and Bangalore.

The Workshop has an area of 18.34 Sq. Km. The issue of setting up a loco building unit continued to be under active consideration of the Central legislature and in the late thirties, a committee consisting of M/s. Humphries and Shrinivasan was appointed to investigate the possibility of establishing a locomotive manufacturing unit and to consider its economic viability. The initial project, at Chandmari, a place near Kanchrapara, in the state of West Bengal, could not mature due to partition, which inevitably necessitated a change of site. This present site at Chittaranjan was selected after a fresh survey and Railway Board’s approval was obtained in the year 1947. The locoworks was initially established for production of 120 average sized steam locomotives with the capacity to manufacture 50 spare boilers.

CLW manufactures electric locomotives — 25 kv ac loco with three phase ac drive, 25kv ac locomotive with dc drive. it is one of the largest Electric Locomotive manufacturer in the world. CLW also manufactures AC & DC Traction motors, Switch gears/Control gears, Bogies cast & fabricated, Wheel sets & Steel casting. Chittaranjan Locomotive Works (CLW) has been named after the great freedom fighter, leader and statesmen Deshbandhu Chittaranjan Das .

The production activity started on 26th January, 1950 the day when India became Republic. The initial product of Chittaranjan Locomotive Works was Steam Locomotive .In the period 1950-1972 Chittaranjan Locomotive Works turned out a total number of 2351 Steam Locomotives.