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Profile and pressure angle definition in gear geometry

In spur gears, the profile angle, pressure angle, and operating pressure angle usually align for standard gears. But with profile shift, things change. The profile angle, which is the slope of the ...
Aaron Holwick's user avatar
1 vote

Worm drive vs Cycloidal Drive

Your question is so open ended that its hard to answer. But lets try. The reason is almost certainly cost, manufacturing capability and legacy reasons. A worm gear is very easy to make in volume. This ...
joojaa's user avatar
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How can a planetary gearset "work" with gears whose pitch diameters are not tangent?

I ran into this same question. The planet gears have two different pitch diameters. One for the planet sun interface and one for the planet ring interface. Each interface will also have a different ...
prclinks's user avatar

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