Monday, May 6, 2013

How best quality traction motor armature is manufact


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

Manufacture of Armature Core ( W 21.101):-
Points noticed:-
  • Pressing machine was being sent for calibration.
  • Armature main punchings supplied by M/S Kapsons –Jalandhar were checked for  Inspection stmp on the packing note/box.
  • Post pressing stack length was checked. Mentioned in the WI was 480.5 mm max.
  • Slot regularization jig ING-110 was being sent for calibration.
  • Pressing jig INJ-114 was being sent for calibration.
  • Stack Varnish WSY101 being used was of expiry date.
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DyCME ELA  reported the problem of oversized centre pivot liner in Loco no. HH1437.
This material was supplied by M/S PKE and inspected by HWH office.
Actual dimension was 231 mm as against 230-0.920 as mentioned in in drawing No.06/2/31/106.
Checking of CP liner dia, as in case of all trade items is not in standard in-house inspection checklist. Same recomended for inclusion





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