BEVEL GEARS
Gaurang Deep

EXAMPLES

In Miter Gear
1. Pitch angles are same
2. Both Pinion and Gear rotate at same speed
3. Both have same dimensions i.e. addendum, Dedendum, Pitch circle
diameter, number of teeth and module

TERMINOLOGY OF STRAIGHT BEVEL GEARS.
(For Intersecting Shaft at Right Angles)

TERMINOLOGY BEVEL GEARS.
• Pitch Cone
• Cone Centre
• Cone Distance (Ao)
• Pitch Angle
• Addendum Angle
• Dedendum Angle
• Face Angle
• Root Angle
• Back Cone
• Back Cone Distance / Back cone radius

Virtual or Formative number of Teeth (Tredgold’s Approximation)

Note: Refer Hand written notes for Details notes and for the solution of
Both Numerical.
Reference:
Design of Machine Elements by V B Bhandari