Użytkownik Renart F. > w wiadomości do grup dyskusyjnych napisał:...
> Użytkownik thomas snipped-for-privacy@o2.pl w wiadomości do grup dyskusyjnych
> napisał:dkl8js$a3s$ snipped-for-privacy@news.agh.edu.pl...
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>
> > Designing Gear Trains
>
> For the purposes of this project, we will be using a cycloid gear tooth > profile,
> instead of the standard involute profile used in industry.
>
> Since you have yet to take learn about gear trains in your course work, a
> few definitions are in order.
> The big gear is called a gear, the small gear is called a pinion.
> Two gears should be sparated my the half of the sum of the two pitch circle
> diameters.
>
>
>
> We have found that gears of a diametral pitch of 10 is about the minimum
> size possible with the MDF board.
> (diametral pitch is the number of teeth on a gear per inch of its diameter)
> All gears drawn to the same diametral pitch will mesh properly with each > other.
> This makes calculations easy, if you want a 36 tooth gear, its pitch circle
> diameter is 36/10=3.6".
> Thus for the above figure, with a 36 tooth gear and a 11 tooth pinion, they
> should be separated by:
>
> Gear pitch dia. 36 tooth /10 diametral pitch = 3.6"
> Pinion pitch dia. 11 tooth /10 diametral pitch = 1.1"
>
> Shaft to shaft distance = (3.6"/2) + (1.1"/2) = 2.35"
>
>
>
> Gear Ratios
>
> For the above gear train, each revolution of the 11 tooth pinion, will, of
> course, move the 36 tooth gear through 11 teeth.
> OR
> 11/36 = .31 of a revolution
> OR
> .31 x 360 degrees = 110 degrees
>
>
>
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