Thursday, January 31, 2013

Stator manufacturing

Audit of following Work Instructions was done in TM Shop. Report is as follows:-

Manufacturing of Stator Stack ( W 21.401):-
Points noticed:-

  • Positioning plate as mentioned in para 3.2 of this WI should be available.
  • Measurement of 477 and 478 mm as mentioned in para 3.10 and 3.11 of this WI should be recorded.
  • Hydraulic pressure reduction of 71 T after initial application of 81 T as mentioned in para 3.22 of WI should be done.
  • Punch marking on the dege of tension bars is not being done.
Other inspection:-
Crimping of cables were inspected alongwith CEE(P&I), and CEE (Loco) and were found to be satisfactory.
5 months ago, crimping quality compliant was raised to production.

Reports from sheds:-
Gomoh Shed:- reported that they have sent the recent commissioning defects report to CLW. Same will be traced in coming days.
Itarsi Shed:- reported that glasses on the WAP-4 windows are not marked about dimensions and suppliers don’t supply same sizes. This problem will be discussed with DyCEE design .
Vadodara Shed:- Harmonic Resistor in recently sent 3 phase loco has failed. They will email the details.

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