Sunday, October 13, 2013

How Coils of Hitachi Traction Motor are formed?

Hitachi Armature Coil Forming ( W 23.009):-
Points noticed:-
  • Flattening Jig INJ-016 was being sent for calibration.
Hitachi Armature Coil Forming ( W 23.010):-
Points noticed:-
  • Lead bending Jig INJ-018 was being sent for calibration.

Hitachi Armature Coil Forming ( W 23.011):-
points noticed:-
  • Coil forming fixture CINJ 300 was being sent for calibration.


Hitachi Armature Equaliser Coil Forming ( W 23.012):-
points noticed:-
  • Fixture No.23.9300.04 for forming loop was being sent for calibration.

  • Machines needed general cleaning. Cobwebs surrounding the machine panels were cleared.
  • A and B Conductor mentioned in para 3.3.3 are 164.5mm and 174.5 mm respectively. Actual size being manufactured is slightly more than that. ( 165 mm and 175mm). WI needs change

  • Jig No. C INJ 301 was being sent for calibration.



Friday, October 4, 2013

Hitachi Powe Coil Winding ( W 23.013):-
points noticed:-
  • High Quality Manufacturing.


Power Coil Winding ( W 23.014):-
points noticed:-
  • Device for giving 100 kg tension to the tape was being sent for calibration.



Hitachi Armature Power Coil Winding ( W 23.015):-
Points noticed:-
  • In fact this was the shop where one found jigs  ING 203,204 duely calibrated.