Small gears meshing. Check the contact point: less than 40% along the tooth; less than 70% along the tooth length, and in the middle of the tooth width.
The meshing of the size gear. Check its contact point: not less than 40% high along the tooth, not less than 70% in length along the tooth, and in the middle of the tooth width.
Engagement of large and small gears. Check the contact points: not less than 40% along the tooth height; not less than 70% along the tooth length, and in the middle of the tooth width.<br>