F-1606 インボリュート歯車およびサイクロイド歯車かみあい教具の製作(S57-2 技術教育(2))(S57 技術教育・工学教育)

概要

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It is very difficult to understand only by explanation with language or figure that the involute gears contact on the common tangential line of two gears' base circles which is called the line of action or the line of transmission and the cycloidal gears contact on the rolling circle which formes the cycloidal curved line. In order to make learners confirm this fact by their eyes, it is intended to make the specially large gear with transparent acryl board and to project them on the screen by an over-head projector. This large gear is difficult to make by rack cutter or hob cutter usually used. Therefore the contouring control cutting with an end-mill cutter was done by making use of a numerical control machining center. MINIAPT and FAPT languages are used as a programming language for it. This trial model is supposed to be used in teaching the students in technical course or mechanical course in university. Using of this model, the transmission of the point of contact of gears is able to be observed on the screen, and the locus of contact point of gears is confirmed by the eyes of learner's own.
2001-08-22