| 摘要 |
<p>PURPOSE:To easily and automatically wind a rotary transformer with a simple and small-sized device by associating a plurality of winding pawls, and composing a diameter-contractable and -expandable circumference of the outer periphery of the pawls. CONSTITUTION:A circumference composed of the outer periphery of a plurality of associated winding pawls 11a-11d is used as the diameter of the annular grooves 2 of a core 1b, and a wire blank is wound on the outer periphery of the pawls to form a coil 26. After the wire blanks of the coil 26 are integrally secured in a state that the coil 26 is wound on the pawls 11a-11d, a molding tool is pressed on the coil 26 formed by contracting in diameter the pawls 11a-11d and integrally securing them to mold the coil so that the outer diameter of the coil is smaller than the inner diameter of the core. Then, the molded coil 26 is inserted together with the pawls 11a-11d into the core, the diameter of the pawls 11a-11d is extended to be returned to a predetermined shape in the groove of the core to be mounted. Thus, a predetermined winding can be efficiently formed by a simple and small-sized device.</p> |
