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Many people ask me "How to calculate the drive star?" I answer in this video, as I do. We proceed from the main parameters of the track itself: the gearing step, the thickness and the required number of teeth of the star. Simple mathematical calculations with the use of formulas for geometry, we get the desired diameter of the drive star. And then it's a matter of technique, we draw the profile of the tooth, and the necessary configuration of the star itself. You can download an excel file with the calculation below.
File with the calculation of the radius of the drive star yadi.sk/i/irK-vtOJ65C3OQ
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