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Posted inTheory of Machines
Centrifugal Governors
The centrifugal governors are based on the balancing of centrifugal force on the rotating balls…
Posted inTheory of Machines
Types of Governors
The governors may, broadly, be classified as 1. Centrifugal governors, and 2. Inertia governors. The centrifugal governors,…
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Backlash
The gap between the non-drive face of the pinion tooth and the adjacent wheel tooth…
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Interference in Involute Gears
The tooth tip of the pinion will then undercut the tooth on the wheel at…
Posted inTheory of Machines
Length of Arc of Contact
Arc of contact is the path traced by a point on the pitch circle from…
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Length of Path of Contact
Consider a pinion driving wheel as shown in figure. When the pinion rotates in clockwise,…
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Systems of Gear Teeth
The following four systems of gear teeth are commonly used in practice: 1. 14 ½O Composite…
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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…