Friday, August 30, 2013

Hitachi Traction Motor Armature Manufacturing



Power Coil Winding of Hitachi Armature  ( W 23.017):-
Points noticed:-
  • Source of supply of distance pieces ( high conductivity electrolytic copper) should be established in the shop floor.


Power Coil Winding of Hitachi Armature  ( W 23.017):-
Points noticed:-
  • ING 204 was being sent for calibration.

Insualtion cutting to sizer  ( W 23.018):-
Points noticed:-
  • Source of supply P-200 powder should be established in the shop.




Equaliser Coil Winding of Hitachi , Deck Insulation-CE Side  ( W 23.019):-
Points noticed:-

  • Staff working on equalizer coil were sure of doing 500 V insulation test before the winding.
  • Insulation GUFZ 0.13 as mentioned in the para 3.8 of this WI should be located by staff.

Thursday, August 15, 2013

Hitachi Traction Motor Manufacturing

PE Side Deck Insulation of Equaliser Winding of Hitachi  ( W 23.020):-
Points noticed:-
  • Grease KS707 for mould release treatment should not be of expiry date.

Equaliser  Coil Winding of Hitachi Armature  ( W 23.021):-
Points noticed:-
  • Date of expiry of GUFZ 0.13 sheet should be established.

Equaliser Coil Earth Insualtion of Hitachi  ( W 23.022):
Points noticed:-




  • P-200 powder and all M-60 mica sheets should be of expiry date.
Hitachi Armature Coil Earth Insulation  ( W 23.023):-
Points noticed:-


  • Inter-Turn test machines were told to be calibrated but date of calibration was not marked.