Gear Proper Meshing

[DavidKhan]

Hi all

I have a question regarding proper spur gear meshing.

The two spur gear shown in the picture attached are meshed with the gear connection in mechanism by defining their pitch circle dia.

but when i move the mechanism with drag handle or it is moved by any other way they dont look like what gears should look like.

When they mesh they move into each other just like one is made of steel and the other is made of jelly.

Before meshing i create a came connection between mating gears so that their tooth faces are in contact.after that i delete it and then create a gear pair.

I also use the drag tool to align them.

The output velocity of the gear train is correct but i am worried about the impact forces which i need for its FEA Analysis.

I have read the help about creating dynamic gear pair.

Kindly help me if there is solution.

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[TomD.inPDX]

I'm going to suggest there may be a problem in the modeling of the gear itself. This should only take a quick calculation to confirm. The ratio of the number of teeth should be the same as the ratio of the two pitch diameters.

[DavidKhan]

Thanks Antonius Dirriwachter

yes as it is spur gear with module 1 so it its pitch dia and number of teeth are equal in value.Gear is modeled correctly.

[TomD.inPDX]

And when you confirm the 2 pitch diameter values for the Gears in Mechanism, they have the same ratio as the gear pair?

Did you uncover a S/W bug

[DavidKhan]

yea.the second gear automatically picks the correct pitch circle dia which is it number of teeth.The green circles are tangent and are within the outer dia of each gear.it output velocity is according to the gear train ratio and is correct.

[TomD.inPDX]

In that case, it should just work right.

Care to submit this as a support case?