| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a manufacturing device for a rotary transformer wherein a rotary transformer is manufactured efficiently with precision at low cost. SOLUTION: Related to a rotary transformer manufacturing device 20, a plurality of coil grooves 6 where a coil 4 is wound and a plurality of short ring grooves 7 where, formed to sandwich the coil groove 6, a short ring 5 for preventing cross talk is wound are formed to rotary cores 2 and 3. And further, an axis 23 provided for rotation, a plurality of coil groove work parts 21 provided for forming the coil groove 6, only in a specified first region of the axis toward the rotational axis direction of the axis 23, and a plurality of short ring groove parts 22 provided for forming the short ring groove 7 only in a second region RE2, on the outside peripheral surface of the axis 23 adjacent to the first region RE1, are provided.</p> |
