The pitch circle, which is roughly in the middle of the teeth, is the reference used to define the pitch of teeth on the gear. The pressure angle is the angle the tooth makes with the pitch circle. In ...

Figure 3. The crown form can be produced on gear teeth in several other ways. One method is to shape the gear by use of a crown cam in the shaper back-off mechanism. The proper radius of the gear is ...

Notifications began last week. "To reduce the friction and load between the worm wheel and worm gear, the supplier revised the pressure angle (tooth tips) control value, the spring load ...