Thursday, August 20, 2015

End Brazing and welding in Traction Motors

Brazing of the end rings and MIG welding  was inspected  in the TM shop.

In addition to MIG welding, Induction brazing and Zarconium welding ( stampings) are the other two types of end-ring preparation methods.

Almost 100 three phase Traction Motors are waiting for production for want of RTV622, which is applied in the terminal box as well as inside the winding.

Process of Pole terminal brazing was inspected in the shop.

Some bolts in the TM were found to be just punched of the make, unlike the standard practice of embossing. This was instructed to be recorded as Non-Conformity.


Provision of U Nomex paper at the ends of coils in three phase Traction Motor was inspected in the shop.

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