Bridge and Carriage-700MW Nuclear reactor for NPCIL
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Bridge and Carriage-700MW Nuclear reactor for NPCIL

  • Used for positioning fuelling machine head in front of fuel channels in the reactor, remote operation. Two assemblies needed per reactor
  • Material: SA 515 Gr70
  • Size: 11 meter wide x 1.9 meter depth x 14 meter height
  • Weight:110 tons
  • Critical requirements:
    -Precise location of fueling head in front of desired fuel channel, every time
    -Service life of 40 years
group_work Challenges

     

    • More than 400 precision components per assembly
    • Large size precision fabrication and machining
    • Machining of 1.9 meter x 11 meter face within 50 microns flatness
    • Aligning 14 meter long columns
    • Procurement of special drive mechanism parts – precision ball screws, gear boxes and rotary actuators.
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INS Industrial Excellence award

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Awards for TPM, Workman hsips and Kaizen

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Nuclear Power Plant equipment

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