Posted inFeatured
Posted inTheory of Machines
Systems of Gear Teeth
The following four systems of gear teeth are commonly used in practice: 1. 14 ½O Composite…
Posted inTheory of Machines
Advantages of Cycloidal gear teeth
1. Since the cycloidal teeth have wider flanks, therefore the cycloidal gears are stronger than the…
Posted inTheory of Machines
Forms of Teeth
Involute Profile The following examples are involute spur gears. We use the word involute because the contour…
Posted inTheory of Machines
Conjugate Profiles
To obtain the expected velocity ratio of two tooth profiles, the normal line of their profiles must…
Posted inTheory of Machines
Constant Velocity Ratio
For a constant velocity ratio, the position of P should remain unchanged. In this case, the motion…
Posted inTheory of Machines
Terms Used in Gears
Fig. 4.2. Spur Gear and Pinion pair Terms used in Gear Addendum: The radial distance between…
Posted inTheory of Machines
Neither parallel nor intersecting shafts
Helical gears may be used to mesh two shaftsthat are not parallel, although they are…
Posted inTheory of Machines
Gears for connecting parallel shafts
1. Spur gears: Spur gears are the most common type of gears. They have straight teeth,and are…
Posted inTheory of Machines
Classification of Toothed Wheels
According to the Position of Axis of Shaft (a) Parallel (b) Intersecting (c) Non-intersecting and…