METHOD FOR PRODUCING COILS

摘要

The present invention provides a method of producing a hollow coil comprising: a process of winding an enameled wire around a flexible cylindrical piece to form a coil; a process of bending the cylindrical piece along with the enameled wire; a process of curing or gluing the enameled wire wound around the cylindrical piece to maintain the shape of the coil; and a process of removing the cylindrical piece from the coil to form a hollow coil.