Apparatus and method for fabricating a low voltage winding for a

Details Apparatus and method for fabricating a low voltage winding for a Apparatus and method for fabricating a low voltage winding for a

1987-05-06

1988-09-20

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 4B, B65H 8102

Patent

active

047719575

ABSTRACT:
A winding apparatus and method for fabricating a multifilar low voltage winding for a toroidal transformer is disclosed. The method and apparatus use a wire storage magazine (18) and a wire winding shuttle (20) which rotate about a semitoroidal winding mandrel (38) to wind a multifilar low voltage winding (48) on the winding mandrel having a greater radial depth of turns at the radially inward leg of the winding than at the radially outward leg of the winding. The multifilar winding can be wound with a group of conductors in a single pass over the winding mandrel, or wound one conductor at a time using multiple passes over the winding mandrel, or wound using multiple passes over the winding mandrel with some intermediate number of conductors being wound during each pass.

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