Abstract
This paper treats with a design method of wire matrix print heads adopted to a lot of present data terminals, and describes the development of a Kanji printer. A free-flight wire mechanism has been introduced for the purpose of high-speed printing, untroublesome operation, easy maintenance, and self-compensation of the wire length against the wear. The investigation of fine wire printing conditions results in the high-quality matrix printing technology equal to full stroke printing in the use of smallest wires in diameter (0.2 mm) as well as the invention of a print wire arrangement. The wire diameter is fattened abruptly to 0.5 mm at the half of the longitudinal way in order to minimize the transmission loss of the printing energy. High-speed drive of the print wires has been performed by means of the reduced weight of wires and armatures, and of trapezoidal magnet-core invention. On the basis of the above-mentioned fundamental technologies, a Kanji printing mechanism has been developed and the proposed design method has been confirmed.
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