Cakes aren’t the only things that need baked!


Stators on an oven rack for bake/dry out

An important piece of shop equipment is the baking/curing oven.

It is used for two main purposes: the drying out of wet motor components and the curing of varnish.

When a motor is disassembled for inspection, often the electrical components are pressure washed. Since electric motors and water don’t like each other, the components must be baked out in a temperature controlled oven in order to evaporate any moisture.

When a stator or armature is rewound, it is given a varnish treatment, followed by a bake cycle in the oven. This baking time allow the varnish to cure and bond with the new copper windings.

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