![]() ![]() Of course, there are other things that contribute to the low efficiency, and that’s the bushings that I used for this gearbox, instead of ball bearings. These two things are related to each other. We can increase the efficiency of the gearbox if we lower the friction or print the gears teeth profile with added backlash value when generating them, but then we would increase the backlash. ![]() Parallel helical components have a 21 1/2 helix angle so they only transmit motion in a straight line since the helix angle is so small. To change speed and torque in your assembly, pair two gears with different numbers of teeth. But on the other hand, because of that friction, or tight fit of the gears, we are getting so got results in terms of backlash. All of these gears transmit motion in a straight line make sure to get one left-hand and one right-hand gear. I guess there’s lot of friction going on in the gearbox and that’s why we lose efficiency. As an Amazon Associate I earn from qualifying purchases.
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