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Armature Rewinding

 

 The steps for
rewinding a flat wire armature.

Although it is not a simple process, we have provided a simple synopsis of the rewind process to help you understand the time and materials involved in rewinding an armature.  

 armature rewind


 


 


 

 

 

 

 1

A typical burnt armature, as it is received from a customer.

 2

The first step is to cut the wires and
remove the commutator.

3

The armature is then burned to remove the old insulation.

 

 armature rewind

 armature rewinding how to rewind armature


4

After burning, the remaining wires & insulation are removed.


5

The armature is then cleaned & prepared for rewinding.


6

New insulation and commutator are installed.

 

 rewind armature

 armature shaft

 armature commutator


7

Copper wire coils are made and inserted into the stack.


8

The wires are moved forward into position.


9

The wires are spread, separating the top and bottom.  Then, one by one they are positioned in the slots on the commutator.

 

 armature rewinding

 armature coiled

 dc armature rewound

 10

The wires are welded to the commutator.

 11

The armature is banded with glass reinforced tape.

12 

The armature is dipped in baking varnish and baked to further insulate and strengthen the copper bars. 

 

 complete rewind

 
 

 13

The armature is turned & undercut. It is now ready to be reinstalled in a motor.

 
  

Armatures can be rebuilt for considerably less than the cost of a new armature. That is, if you can find a new armature.