- #1

- 7

- 0

The gears have the following dimensions:

Gear #1:

Pitch diameter = 6 mm

Number of teeth = 12

Gear #2:

Pitch diameter = 40 mm

Number of teeth = 80

The module consequently is 0.5 mm

Logic says that the center distance must be distance between the centers of the gears placed close enough so their pitch diameters are tangent - so the sum of the radii would be the center distance, but a distance of 23 mm seems way too small.