Key words: gear, shifting gears, first gear, axis parallel, axis perpenicular, transmission by chain.
This research project is about the gears and the study of shifting gears. It's divided into a theory and a practice part.
The theory part consists of what the gear is, characteristics of a gear, the transmission of movement about gears, and the mathematical calculs which you have to do to find the characteritics about one particular gear or example the tooth height,, the module... After you can see the different gears that you can search; are divided the situation of its axis if it wa parallel or perpendicular, in special applications and transmission by chain. And the last part of the theory part consisted of what a shifting gear is, which parts it has, what kinds of shifting gears they are and what their characteritics are and the last thing that you can see is the operating to shifting gear which has two axis.
On the other hand the practice part basically consisted of opening an original shifting gear and doing a mathematical study abut it. The purpose of mathematical study is to calculate the progress of the speed that my car does when you apply the different gears.
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